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XC21DAVE LENNOX SIGNATURE� COLLECTION
R−410A − Two−Stage Compressor − SilentComfort� Technology
A I R C O N D I T I O N E R S
E N G I N E E R I N G D A T A Bulletin No. 210414
April 2005
Supersedes March 2005
SEER − up to 20.502 to 5 Tons
Cooling Capacity − 23,600 to 60,500 Btuh
MODEL NUMBER IDENTIFICATION
C 21 036− −
Unit TypeC = Air Conditioner
Series
Nominal Cooling Capacity024 = 2 tons (7.0 kW)036 = 3 tons (10.5 kW)048 = 4 tons (14.0 kW)060 = 5 tons (17.5 kW)
Minor Revision Number
230
Voltage230 = 208/230V−1ph−60hz
Refrigerant TypeX = R−410A
X 2−
XC21 − 2 to 5 Ton Air Conditioner / Page 2
FEATURES
CONTENTS
ARI Ratings Pages 8−18. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensions Page 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Data Page 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Features Pages 1−4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Expanded Rating Tables Pages 19−127. . . . . . . . . . . . . . .
Field Wiring Page 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation Clearances Page 7. . . . . . . . . . . . . . . . . . . . . . .
Model Number Identification Page 1. . . . . . . . . . . . . . . . . .
Optional Accessories Page 5. . . . . . . . . . . . . . . . . . . . . . . .
Sound Data Page 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications Page 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Equipment Warranty
Compressor − limited warranty for ten years inresidential installations and five years in non-residentialinstallations.All other covered components − five years inresidential installations and one year in non-residentialinstallations.Refer to Lennox Equipment Limited Warranty certificateincluded with unit for specific details.
Application
SEER up to 20.50.2 through 5 ton (7.0 through 17.6 kW).Single phase power supply.Sound levels as low as 69 dB.Vertical air discharge allows concealment behind shrubsat grade level or out of sight on a roof.Matching add−on furnace indoor coils or air handlersprovide a wide range of cooling capacities andapplications. See ARI Ratings tables.See Indoor Coils and Air Handlers tab sections for data.Units shipped completely factory assembled, piped, andwired. Each unit is test operated at the factory insuringproper operation.Installer must set air conditioner, connect refrigerant lines,and make electrical connections to complete job.
Approvals
Certified in accordance with USE certification programwhich is based on ARI Standard 210/240−94.Sound rated in Lennox reverberant sound test room inaccordance with test conditions included in ARI Standard270−95.Tested in the Lennox Research Laboratory environmentaltest room.Rated according to U.S. Department of Energy (DOE) testprocedures.Air conditioners and components within bonded forgrounding to meet safety standards for servicing requiredby UL and CEC.Units are UL and ULC listed.ISO 9001 Registered Manufacturing Quality System.ENERGY STAR® certified units are designed to use lessenergy, help save money on utility bills, and help protectthe environment.
REFRIGERATION SYSTEM
RefrigerantNon−chlorine, ozone friendly, R−410A.Unit pre−charged with refrigerant.See Specification table.
B
D
E
C
G
FH
IM
K
J
L
Condenser Fan with SilentComfort� TechnologySpecially−designed, SilentComfort fan guard usesPassive Vortex Suppression to reduce air noise.Constructed of corrosion−resistant PVC (polyvinylchloride) coated steel wire.Specially designed fan blades reduce operating soundlevels. Direct drive fan moves large air volumes uniformlythrough entire condenser coil for high refrigerant coolingcapacity.Vertical air discharge minimizes operating sounds andeliminates damage to lawn and shrubs.Fan motor is inherently protected.All models have a variable−speed outdoor fan motor forquiet operation.Motor totally enclosed for maximum protection fromweather, dust and corrosion.Fan service access accomplished by removal of fanguard.
Copper Tube/Enhanced Fin CoilLennox designed and fabricated coil.Ripple−edged aluminum fins.Copper tube construction.Lanced fins provide maximum exposure of fin surface toair stream resulting in excellent heat transfer.Fin collars grip tubing for maximum contact area.Flared shoulder tubing connections/silver solderingconstruction.Coil is factory tested under high pressure to insureleakproof construction.Entire coil is accessible for cleaning.
B
C
D
E
Internalsolenoid
SliderRing
Fixed scrollInternal solenoid
Slider Ring
XC21 − 2 to 5 Ton Air Conditioner / Page 3
FEATURES
REFRIGERATION SYSTEM (CONTINUED)
High Pressure SwitchShuts off unit if abnormal operating conditions cause thedischarge pressure to rise above setting.Protects compressor from excessive condensingpressure.Manual reset.
Low Pressure SwitchShuts off unit if suction pressure falls below setting.Provides loss of charge and freeze-up protection.Automatic reset.
Hi-Capacity Liquid Line DrierFactory installed in the liquid line, the drier traps moistureor dirt that could contaminate the refrigerant system.100% molecular−sieve bead type drier.
OPTIONS
Expansion Valve KitsMust be ordered extra and field installed on certain indoorunits. See ARI Ratings tables.Chatleff style fitting.
FreezestatInstalls on or near the discharge line of the indoor coil or onthe suction line.Senses suction line temperature and cycles thecompressor off when suction line temperature falls belowit’s setpoint.Opens at 29°F (−2°C) and closes at 58°F (14°C).
Refrigerant Line KitsRefrigerant lines (suction & liquid) are shippedrefrigeration clean. Lines are cleaned, dried, pressurized,and sealed at factory.Suction line fully insulated.L15 lines are stubbed at both ends.See Specifications table for selection.Not available for −060 model and must be field fabricated.
COMPRESSOR
Copeland Scroll Ultra Tech� Two−Stage CompressorCompressor features highefficiency with uniformsuction flow, constantdischarge flow and highvolumetric efficiency andquiet operation.Compressor consists oftwo involute spiral scrollsmatched together togenerate a series ofcrescent shaped gaspockets between them.During compression, onescroll remains stationarywhile the other scroll orbitsaround it.Gas is drawn into the outerpocket, the pocket is sealed as the scroll rotates.As the spiral movement continues, gas pockets arepushed to the center of the scrolls. Volume between thepockets is simultaneously reduced.
When pocket reaches the center, gas is now at highpressure and is forced out of a port located in the center
of the fixed scrolls. Duringcompression, severalpockets are compressedsimultaneously resulting ina smooth continuouscompression cycle.Continuous flank contact,maintained by centrifugalforce, minimizes gasleakage and maximizes
efficiency.Scroll compressor is tolerant to the effects of sluggingand contaminants. If this occurs, scrolls separate,allowing liquid or contaminants to to be worked towardthe center and discharged.On the fixed scroll there are two bypass ports in the firstsuction pocket. On the outside of the fixed scroll there is a�slider ring" that is controlled by an internal solenoid thatwill rotate and cover the bypass ports. When thethermostat calls for first−stage cooling, the bypass portsare open and the compressor operates at 67% capacity,creating more cost−effective and efficient compressoroperation. The bypassed refrigerant is returned to thecompressor housing through the bypass ports. Whenthe thermostat calls for second−stage cooling, theinternal solenoid is energized, the slider ring rotates andcovers the bypass ports, and the compressor operatesat full capacity.Low gas pulses during compression reducesoperational sound levels.Compressor motor is internally protected fromexcessive current and temperature.Compressor is installed in the unit on speciallyformulated, resilient rubber mounts for better sounddampening and vibration free operation.
Crankcase HeaterCrankcase heater prevents migration of liquid refrigerantinto compressor and ensures proper compressorlubrication.
OPTIONS
Compressor Hard Start KitSingle−phase units are equipped with a PSC compressormotor.This type of motor normally does not need a potentialrelay and start capacitor.In conditions such as low voltage, kit may be required toincrease the compressor starting torque.
F
G
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XC21 − 2 to 5 Ton Air Conditioner / Page 4
FEATURES
CONTROLS
Lennox® System Operations MonitorProvides detailed information for properpreventive maintenance and fast, easyservicing.Displays the most common fault conditionsthrough indicator LED’s.Monitor detects both mechanical andelectrical system problems.Monitors only and does not provide safetyprotection.When an abnormal condition is detected, communicatesthe specific condition through the ALERT and TRIP lights.POWER LED (green) − indicates voltage within the range of19−28VAC is present at the power connection.ALERT LED (yellow) − communicates an abnormalsystem condition through a unique flash code. TheALERT LED will flash a number of times consecutively,pause and then repeat the process. The number ofconsecutive flashes, defined as the Flash Code,correlates to a particular abnormal condition. The codescan indicate one of the following: long run time, systempressure trip (discharge or suction pressure out−of−limitsor compressor overloaded), short cycling, locked rotor,open circuit, open start circuit (current present only in runcircuit), open run circuit (current present only in startcircuit), welded contactor (compressor runscontinuously), or low voltage (control circuit < 17VAC).TRIP LED (red) − indicates there is a demand signal fromthe thermostat but no current to the compressor isdetected by the monitor.
OPTIONS
SignatureStat� Home Comfort ControlCombination temperatureand humidity control.2 Heat/2 CoolAuto−changeoverEasy−to−use, menu driventhermostat with a back−lit,dot−matrix LCD screen.Remote outdoor sensor(furnished) allows the thermostat to display outdoortemperature and adjust indoor dewpoint temperature forprecision humidity control.See the SignatureStat Engineering Handbook bulletin inthe Controls section for more information.See Controls section and Lennox Price Book foradditional thermostats.
Indoor Blower Speed Relay KitRelay kit provides optimum humidity control conditions byautomatically reducing indoor blower speed duringcontinuous fan or first−stage compressor operation.
Time Delay Relay KitDelays the indoor blower−off time during the cooling cycle.See ARI Rating Tables for usage.
Low Ambient KitAir conditioner will operate satisfactorily down to 45�F (7�C)outdoor air temperature without any additional controls.Kit can be added in the field enabling unit to operateproperly down to 30�F (−1�C).Freezestat should be installed on compressors equippedwith a low ambient kit.A compressor lock−out thermostat should be added toterminate compressor operation below recommendedoperation conditions (on/off operation, 30°F (−1°C) ormodulating operation, 0°F (−18°C).
CabinetHeavy−gauge steel constructionPre−painted cabinet finish.Painted base section.Compressor and control box located in a separatecompartment, insulated with thick fiberglass insulation.Compartment provides protection from the weather andkeeps sound transmission at a minimum.Control box is conveniently located with all controlsfactory wired.Large removable panel provides service access.Drainage holes are provided in base section for moistureremoval.High density polyethylene unit support feet raise the unit offof the mounting surface, away from damaging moisture.
SmartHinge� Louvered Coil ProtectionSteel louvered panelsprovides complete coilprotection.Panels are hinged toallow easy cleaningand servicing of coils.Panels may becompletely removed.Interlocking tabs andslots assure tight fit oncabinet.
Refrigerant Line Connections, Electrical Inlets andService ValvesSuction and liquid lines are located on corner of unitcabinet and are made with sweat connections. Seedimension drawing.Fully serviceable brass service valves prevent corrosionand provide access to refrigerant system. Suction valvecan be fully shut off, while liquid valve may be front seatedto manage refrigerant charge while servicing system.Suction and liquid line service valves and gauge ports arelocated inside the cabinet.Refrigerant line connections and field wiring inlets arelocated in one central area of the cabinet. See dimensiondrawing.
OPTIONS
Mounting BaseProvides permanent foundation for outdoor units.High density polyethylene structural material islightweight, sturdy, sound absorbing and will withstand therigors of the sun, heat, cold, moisture, oil and refrigerant.Will not mildew or rot.Dimensions: 32 x 34 x 3 in.Can be shipped singly or in packages of 6 to a carton.
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XC21 − 2 to 5 Ton Air Conditioner / Page 5
SPECIFICATIONS
GeneralD t
Model No. XC21−024 XC21−036 XC21−048 XC21−060Data Nominal Tonnage (kW) 2 (7.0) 3 (10.6) 4 (14.1) 5 (17.6)
Connections(sweat)
Liquid line (o.d.) − in. (mm) 3/8 (9.5) 3/8 (9.5) 3/8 (9.5) 3/8 (9.5)(sweat)
Suction line (o.d.) − in. (mm) 7/8 (22.2) 7/8 (22.2) 7/8 (22.2) 1−1/8 (28.6)
Refrigerant 1 R−410A charge furnished 12 lbs. 0 oz. (5.4 kg) 12 lbs. 5 oz. (5.6 kg) 13 lbs. 0 oz. (5.9 kg) 13 lbs. 0 oz. (5.9 kg)
OutdoorCoil
Net face area − sq. ft. (m2) Outer coil 26.92 (2.50) 26.92 (2.50) 26.92 (2.50) 26.92 (2.50)Coil
Inner coil 26.07 (2.42) 26.07 (2.42) 26.07 (2.42) 26.07 (2.42)
Tube diameter − in. (mm) 5/16 (0.52) 5/16 (0.52) 5/16 (0.52) 5/16 (0.52)
No. of rows 2 2 2 2
Fins per inch (m) 22 (866) 22 (866) 22 (866) 22 (866)
OutdoorFan
Diameter − in. (mm) 26 (660) 26 (660) 26 (660) 26 (660)Fan
No. of blades 3 3 3 3
Motor hp (W) 1/3 (249) 1/3 (249) 1/3 (249) 1/3 (249)
Cfm (L/s) 1st stage 2800 (1320) 3200 (1510) 3800 (1795) 3800 (1795)
2nd stage 3200 (1510) 3700 (1745) 4400 (2075) 4400 (2075)
Rpm − 1st stage 700 700 700 700
2nd stage 820 820 820 820
Watts − 1st stage 70 96 150 150
2nd stage 105 140 220 220
Shipping Data − lbs. (kg) 1 pkg. 314 (142) 331 (150) 337 (153) 357 (162)
ELECTRICAL DATA
Line voltage data − 60hz 208/230V−1ph 208/230V−1ph 208/230V−1ph 208/230V−1ph
3 Maximum overcurrent protection (amps) 25 40 50 60
2 Minimum circuit ampacity 15.7 23.7 29.3 34.9
Compressor Rated load amps 10.3 16.7 21.2 25.7
Locked rotor amps 52 82 96 118
Power factor 0.98 0.98 0.98 0.98
Outdoor FanMotor
Full load amps 2.8 2.8 2.8 2.8
OPTIONAL ACCESSORIES − must be ordered extra
Compressor Hard Start Kit 10J42 � �
81J69 � �
Compressor Low Ambient Cut−Off 45F08 � � � �
Compressor Time−Off Control 47J27 � � � �
Freezestat 3/8 in. tubing 93G35 � � � �
1/2 in. tubing 39H29 � � � �
5/8 in. tubing 50A93 � � � �
Indoor Blower Relay 40K58 � � � �
Low Ambient Kit 68M04 � � � �
Mounting Base 69J07 � � � �
SignatureStat� Home Comfort Control 81M27 � � � �
RefrigerantLine Sets
L15−65−15L15−65−30
L15−65−40L15−65−50
� � �
Field Fabricate �
Time Delay Relay 58M81 � � � �
NOTE − Extremes of operating range are plus 10% and minus 5% of line voltage.1 Refrigerant charge sufficient for 15 ft. (4.6 m) length of refrigerant lines.2 Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements.3 HACR type breaker or fuse.
XC21 − 2 to 5 Ton Air Conditioner / Page 6
DIMENSIONS � INCHES
39−1/2 35−1/2
47
18−1/2
8
1
4−1/2
LIQUID LINEINLET
SUCTION LINEINLET
ELECTRICALINLETS
TOP VIEW
SIDE VIEW ACCESS VIEW
DISCHARGE AIR
10−1/2
13−1/2
11 18
TOP VIEW BASE SECTION
COIL DRAIN OUTLETS(Around perimeter of base)
UNIT SUPPORT FEET
XC21 − 2 to 5 Ton Air Conditioner / Page 7
INSTALLATION CLEARANCES
ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ
1 36
1 − One of these three sides must be 36 in.
One of the two remaining sides may be 12 in.
The remaining side may be 6 in.
− Service Clearance − 30 in.
− 48 in. clearance required on top of unit
− 24 in. required between two units
1 36 30(service)
1 36
FIELD WIRING
DISCONNECTSWITCH
(By Others)
DISCONNECTSWITCH
(By Others)
A � Two Wire Power (not furnished)
B � Two Power (not furnished) � See Electrical Data
C � Four Wire Low Voltage (not furnished) � 18 ga. minimum
D � Six Wire Low Voltage (not furnished) � 18 ga. minimum
All wiring must conform to NEC or CEC and local electrical codes.
B
LENNOXAIR
CONDITIONER
LENNOXHEATING UNIT
ORAIR HANDLER
THERMOSTAT(Optional)
C
D A
OUTDOOR SOUND DATA
1 U itOctave Band Sound Power Levels dBA, re 10−12 Watts 1Sound
R ti1 UnitModel No.
Center Frequency − HZRating
NumberModel No.63 125 250 500 1000 2000 4000 8000
Number(dB)
XC21-024 48.5 54.5 61 64 62 60 56 49 69
XC21-036 49 60 65 66.5 64.5 61.5 56.5 50 71
XC21-048 49.5 59.5 66.5 68 67 63 58 52 73
XC21-060 50 60 65.5 70 68.5 64 57 50.5 73
NOTE − the octave sound power data does not include tonal correction.1 Tested according to ARI Standard 270-95 test conditions.
XC21 − 2 to 5 Ton Air Conditioner / Page 8
ARI RATINGS − R−410A INDOOR COILS / INDOOR COILS + FURNACES / AIR HANDLERS 2 Ton
NOTE − Match−ups are sorted by: Cooling Capacity then SEER
Outdoor Unit Model No2 ARI Standard 210/240 Ratings
Outdoor Unit Model No.Unit Size1 S d R ti N b
Cooling Capacity Efficiency TotalUnit
Unit Size1 Sound Rating Number
Btuh kW SEER EERUnit
Watts Indoor Unit Model No. Expansion Device
XC21−0242 Ton
Up-FlowIndoor Coils
23,600 6.9 16.05 12.25 1925 5 CX34−18/24A/B/C−6F Factory Installed TXV2 Ton(69 dB)
Indoor Coils24,000 7.0 16.55 12.65 1900 5 CX34−30A/B/C−6F Factory Installed TXV( )
24,400 7.2 16.75 12.85 1900 5 CX34−36A/B/C−6F Factory Installed TXV
24,400 7.2 16.75 12.85 1900 5 CX34−42B−6F 3 37L51 − order separately
24,600 7.2 16.75 12.75 1930 5 CX34−25A/B−6F Factory Installed TXV
25,000 7.3 16.90 12.95 1930 5 CX34−31A/B−6F Factory Installed TXV
25,200 7.4 17.25 13.25 1905 5 CX34−38B−6F Factory Installed TXV
Up-FlowIndoor Coils
24,400 7.2 19.15 14.00 1750 6 CX34−18/24B−6F + G60UHV−36B−090 Factory Installed TXVIndoor Coils+ Furnaces 24,400 7.2 19.10 13.90 1755 6 CX34−30B−6F + G60UHV−36B−090 Factory Installed TXV
24,400 7.2 19.00 13.75 1775 6 CX34−18/24A−6F + G60UHV−36A−070 Factory Installed TXV
24,400 7.2 18.90 13.70 1780 6 CX34−30A−6F + G60UHV−36A−070 Factory Installed TXV
24,400 7.2 18.75 13.70 1780 6 CX34−18/24B−6F + G61MPV−36B−045 Factory Installed TXV
24,400 7.2 18.75 13.65 1790 6 CX34−30B−6F + G61MPV−36B−045 Factory Installed TXV
25,000 7.3 19.45 14.10 1775 6 CX34−36B−6F + G61MPV−36B−070 Factory Installed TXV
25,000 7.3 19.40 14.10 1775 6 CX34−42B−6F + G60UHV−36B−090 3 37L51 − order separately
25,000 7.3 19.50 14.05 1780 6 CX34−36A−6F + G60UHV−36A−070 Factory Installed TXV
25,200 7.4 19.75 14.35 1755 6 CX34−36B−6F + G60UHV−36B−090 Factory Installed TXV
25,200 7.4 19.75 14.35 1755 6 CX34−38B−6F + G60UHV−36B−090 Factory Installed TXV
25,200 7.4 19.70 14.15 1780 6 CX34−25A−6F + G60UHV−36A−070 Factory Installed TXV
25,200 7.4 19.30 14.10 1785 6 CX34−36B−6F + G61MPV−36B−045 Factory Installed TXV
25,200 7.4 19.30 14.10 1785 6 CX34−42B−6F + G61MPV−36B−045 3 37L51 − order separately
25,400 7.4 20.00 14.45 1755 6 CX34−25B−6F + G60UHV−36B−090 Factory Installed TXV
25,400 7.4 19.55 14.20 1790 6 CX34−25B−6F + G61MPV−36B−045 Factory Installed TXV
25,400 7.4 19.65 14.30 1775 6 CX34−25B−6F + G61MPV−36B−070 Factory Installed TXV
25,600 7.5 19.90 14.40 1780 6 CX34−31A−6F + G60UHV−36A−070 Factory Installed TXV
25,600 7.5 19.80 14.40 1780 6 CX34−31B−6F + G61MPV−36B−070 Factory Installed TXV
25,600 7.5 19.75 14.25 1795 6 CX34−31B−6F + G61MPV−36B−045 Factory Installed TXV
25,800 7.6 20.00 14.70 1755 6 CX34−31B−6F + G60UHV−36B−090 Factory Installed TXV
25,800 7.6 20.00 14.50 1780 6 CX34−38B−6F + G61MPV−36B−070 Factory Installed TXV
25,800 7.6 19.75 14.30 1805 6 CX34−38A−6F + G60UHV−36A−070 Factory Installed TXV
26,000 7.6 19.90 14.55 1790 6 CX34−38B−6F + G61MPV−36B−045 Factory Installed TXV
Air Handlers 25,000 7.3 19.70 14.55 1720 6 CBX32MV−024/030 (Multi−Position) Factory Installed TXV
25,000 7.3 19.30 13.70 1825 6 CBX32MV−018/024 (Multi−Position) Factory Installed TXV
25,000 7.3 17.80 13.50 1855 5 CBX32M−030 (Multi−Position) Factory Installed TXV
25,000 7.3 17.50 13.25 1885 5 CBX32M−036 (Multi−Position) Factory Installed TXV
25,000 7.3 17.50 13.25 1885 5 CBX32M−042 (Multi−Position) 3 37L51 − order separately
26,000 7.6 20.50 14.75 1765 4, 6 CBX32MV−036 (Multi−Position) Factory Installed TXV
1 Sound Rating Number rated in accordance with test conditions included in ARI Standard 270.2 Certified in accordance with USE certification program which is based on ARI Standard 210/240; 95�F (35�C) outdoor air temperature, 80�F (27�C) db�/�67�F (19�C) wb
entering evaporator air with 25 ft. (7.6 m) of connecting refrigerant lines.3 Factory installed expansion valve or RFCIV device on indoor unit MUST be replaced with valve specified.4 Most popular air handler.5 Blower must be capable of time−off blower delay, high−speed cooling/heating operation during second−stage compressor operation, and low−speed cooling/heating operation
during first−stage compressor operation. Time Delay Relay Kit (58M81) and Indoor Blower Speed Relay Kit (40K58) are recommend for field installation.6 Blower control must be set for a time−off blower delay.
XC21 − 2 to 5 Ton Air Conditioner / Page 9
ARI RATINGS − R−22 INDOOR COILS / AIR HANDLERS 2 Ton
NOTE − Match−ups are sorted by: Cooling Capacity then SEER
Outdoor Unit Model No2 ARI Standard 210/240 Ratings
Outdoor Unit Model No.Unit Size1 S d R ti N b
Cooling Capacity Efficiency TotalUnit
Unit Size1 Sound Rating Number
Btuh kW SEER EERUnit
Watts Indoor Unit Model No. Expansion Device
XC21−0242 Ton
Up-FlowIndoor Coils
23,600 6.9 16.05 12.25 1925 4 C33−24A/B/C 3 37L51 − order separately2 Ton(69 dB)
Indoor Coils24,000 7.0 16.55 12.65 1900 4 C33−30A/B/C 3 37L51 − order separately( )
24,400 7.2 16.75 12.85 1900 4 C33−36A/B/C 3 37L51 − order separately
24,400 7.2 16.75 12.85 1900 4 C33−42B 3 37L51 − order separately
24,600 7.2 16.75 12.75 1930 4 C33−25A/B 3 37L51 − order separately
25,000 7.3 17.15 13.10 1905 4 C33−44C 3 37L51 − order separately
25,000 7.3 16.90 12.95 1930 4 C33−31A/B 3 37L51 − order separately
25,200 7.4 17.25 13.25 1905 4 C33−38B 3 37L51 − order separately
Down-FlowIndoor Coils
24,200 7.1 16.75 12.75 1900 4 CR26−30N−F 3 37L51 − order separatelyIndoor Coils
24,800 7.3 17.00 13.00 1905 4 CR26−36N/W−F 3 37L51 − order separately
HorizontalIndoor Coils
22,000 6.4 15.10 11.45 1920 4 CH33−18A−2F 3 37L51 − order separatelyIndoor Coils
22,800 6.7 15.40 11.85 1925 4 CH23−21 3 37L51 − order separately
23,200 6.8 15.60 12.05 1925 4 CH23−31 3 37L51 − order separately
23,800 7.0 16.45 12.55 1900 4 CH33−24/30A−2F 3 37L51 − order separately
24,000 7.0 16.40 12.65 1900 4 CH23−41 3 37L51 − order separately
24,200 7.1 16.75 12.75 1900 4 CH33−36B−2F 3 37L51 − order separately
24,400 7.2 16.85 12.85 1900 4 CH33−36A−2F 3 37L51 − order separately
24,600 7.2 16.85 13.00 1900 4 CH33−36C−2F 3 37L51 − order separately
24,600 7.2 16.85 13.00 1900 4 CH23−51 3 37L51 − order separately
Air Handlers 25,000 7.3 17.80 13.50 1855 4 CB30M−31 (Multi−Position) 3 37L51 − order separately
25,000 7.3 17.80 13.50 1855 4 CB30U−31 (Up−Flow) 3 37L51 − order separately
25,000 7.3 17.50 13.25 1885 4 CB30M−41 (Multi−Position) 3 37L51 − order separately
25,000 7.3 17.50 13.25 1885 4 CB30U−41/46 (Up−Flow) 3 37L51 − order separately
25,800 7.6 17.85 13.65 1890 4 CB30M−46 (Multi−Position) 3 37L51 − order separately
26,000 7.6 20.50 14.75 1765 5 CB31MV−41 (Multi−Position) 3 37L51 − order separately
NOTE − Ratings for all C33 coils include all cased and uncased coils.1 Sound Rating Number rated in accordance with test conditions included in ARI Standard 270.2 Certified in accordance with USE certification program which is based on ARI Standard 210/240; 95�F (35�C) outdoor air temperature, 80�F (27�C) db�/�67�F (19�C) wb
entering evaporator air with 25 ft. (7.6 m) of connecting refrigerant lines.3 Factory installed expansion valve or RFCIV device on indoor unit MUST be replaced with valve specified.4 Blower must be capable of time−off blower delay, high−speed cooling/heating operation during second−stage compressor operation, and low−speed cooling/heating operation
during first−stage compressor operation. Time Delay Relay Kit (58M81) and Indoor Blower Speed Relay Kit (40K58) are recommend for field installation.5 Blower control must be set for a time−off blower delay.
XC21 − 2 to 5 Ton Air Conditioner / Page 10
ARI RATINGS − R−22 INDOOR COILS + FURNACES 2 Ton
NOTE − Match−ups are sorted by: Cooling Capacity then SEER
Outdoor Unit Model No2 ARI Standard 210/240 Ratings
Outdoor Unit Model No.Unit Size1 S d R ti N b
Cooling Capacity Efficiency TotalUnit
Unit Size1 Sound Rating Number
Btuh kW SEER EERUnit
Watts Indoor Unit Model No. Expansion Device
XC21−0242 T
Up-FlowI d C il
24,400 7.2 19.15 14.00 1750 4 C33−24B + G60UHV−36B−090 3 37L51 − order separately2 Ton(69 dB)
pIndoor Coils+ Furnaces 24,400 7.2 19.10 13.90 1755 4 C33−30B + G60UHV−36B−090 3 37L51 − order separately(69 dB) + Furnaces
24,400 7.2 19.00 13.75 1775 4 C33−24A + G60UHV−36A−070 3 37L51 − order separately
24,400 7.2 18.90 13.70 1780 4 C33−30A + G60UHV−36A−070 3 37L51 − order separately
24,400 7.2 18.75 13.70 1780 4 C33−24B + G61MPV−36B−045 3 37L51 − order separately
24,400 7.2 18.75 13.65 1790 4 C33−30B + G61MPV−36B−045 3 37L51 − order separately
25,000 7.3 19.50 14.05 1780 4 C33−36A + G60UHV−36A−070 3 37L51 − order separately
25,000 7.3 19.45 14.10 1775 4 C33−36B + G61MPV−36B−070 3 37L51 − order separately
25,000 7.3 19.40 14.10 1775 4 C33−42B + G60UHV−36B−090 3 37L51 − order separately
25,200 7.4 19.75 14.35 1755 4 C33−36B + G60UHV−36B−090 3 37L51 − order separately
25,200 7.4 19.75 14.35 1755 4 C33−38B + G60UHV−36B−090 3 37L51 − order separately
25,200 7.4 19.70 14.15 1780 4 C33−25A + G60UHV−36A−070 3 37L51 − order separately
25,200 7.4 19.30 14.10 1785 4 C33−36B + G61MPV−36B−045 3 37L51 − order separately
25,200 7.4 19.30 14.10 1785 4 C33−42B + G61MPV−36B−045 3 37L51 − order separately
25,400 7.4 20.00 14.45 1755 4 C33−25B + G60UHV−36B−090 3 37L51 − order separately
25,400 7.4 19.65 14.30 1775 4 C33−25B + G61MPV−36B−070 3 37L51 − order separately
25,400 7.4 19.55 14.20 1790 4 C33−25B + G61MPV−36B−045 3 37L51 − order separately
25,600 7.5 19.90 14.40 1780 4 C33−31A + G60UHV−36A−070 3 37L51 − order separately
25,600 7.5 19.80 14.40 1780 4 C33−31B + G61MPV−36B−070 3 37L51 − order separately
25,600 7.5 19.75 14.25 1795 4 C33−31B + G61MPV−36B−045 3 37L51 − order separately
25,800 7.6 20.00 14.70 1755 4 C33−31B + G60UHV−36B−090 3 37L51 − order separately
25,800 7.6 20.00 14.50 1780 4 C33−38B + G61MPV−36B−070 3 37L51 − order separately
25,800 7.6 19.75 14.30 1805 4 C33−38A + G60UHV−36A−070 3 37L51 − order separately
26,000 7.6 19.90 14.55 1790 4 C33−38B + G61MPV−36B−045 3 37L51 − order separately
Down-FlowI d C il
25,400 7.4 19.25 14.10 1800 4 CR26−30N−F + G60DFV−36B−090 3 37L51 − order separatelyIndoor Coils+ Furnaces 25,800 7.6 19.65 14.35 1800 4 CR26−36N−F + G60DFV−36B−090 3 37L51 − order separately+ Furnaces
25,800 7.6 19.65 14.35 1800 4 CR26−48N−F + G60DFV−36B−090 3 37L51 − order separately
HorizontalI d C il
23,600 6.9 18.75 13.65 1730 4 CH23−21 + G60UHV−36B−090 3 37L51 − order separatelyIndoor Coils+ Furnaces 23,600 6.9 18.50 13.45 1755 4 CH23−21 + G61MPV−36B−070 3 37L51 − order separately+ Furnaces
23,600 6.9 18.30 13.35 1765 4 CH23−21 + G61MPV−36B−045 3 37L51 − order separately
25,000 7.3 19.40 14.10 1775 4 CH33−42B−2F + G60UHV−36B−090 3 37L51 − order separately
25,000 7.3 19.30 13.90 1800 4 CH33−36A−2F + G60UHV−36A−070 3 37L51 − order separately
25,000 7.3 19.05 13.95 1795 4 CH33−44/48B−2F + G60UHV−36B−090 3 37L51 − order separately
25,200 7.4 19.75 14.30 1760 4 CH33−36B−2F + G61MPV−36B−070 3 37L51 − order separately
25,200 7.4 19.70 14.35 1755 4 CH33−36B−2F + G60UHV−36B−090 3 37L51 − order separately
25,200 7.4 19.60 14.30 1765 4 CH33−36B−2F + G61MPV−36B−045 3 37L51 − order separately
25,600 7.5 19.80 14.40 1775 4 CH33−42B−2F + G61MPV−36B−070 3 37L51 − order separately
25,600 7.5 19.70 14.30 1790 4 CH33−42B−2F + G61MPV−36B−045 3 37L51 − order separately
NOTE − Ratings for all C33 coils include all cased and uncased coils.1 Sound Rating Number rated in accordance with test conditions included in ARI Standard 270.2 Certified in accordance with USE certification program which is based on ARI Standard 210/240; 95�F (35�C) outdoor air temperature, 80�F (27�C) db�/�67�F (19�C) wb
entering evaporator air with 25 ft. (7.6 m) of connecting refrigerant lines.3 Factory installed expansion valve or RFCIV device on indoor unit MUST be replaced with valve specified.4 Blower control must be set for a time−off blower delay.
XC21 − 2 to 5 Ton Air Conditioner / Page 11
ARI RATINGS − R−410A INDOOR COILS / INDOOR COILS + FURNACES / AIR HANDLERS 3 Ton
NOTE − Match−ups are sorted by: Cooling Capacity then SEER
Outdoor Unit Model No2 ARI Standard 210/240 Ratings
Outdoor Unit Model No.Unit Size1 S d R ti N b
Cooling Capacity Efficiency TotalUnit
Unit Size1 Sound Rating Number
Btuh kW SEER EERUnit
Watts Indoor Unit Model No. Expansion Device
XC21−0363 T
Up-FlowI d C il
35,200 10.3 16.05 12.05 2925 5 CX34−36A/B/C−6F Factory Installed TXV3 Ton(71 dB)
pIndoor Coils
35,200 10.3 16.05 12.05 2925 5 CX34−42B−6F 3 37L51 − order separately(71 dB)36,200 10.6 16.40 12.35 2930 5 CX34−44/48B/C−6F 3 37L51 − order separately
36,600 10.7 16.60 12.45 2935 5 CX34−38B−6F Factory Installed TXV
36,600 10.7 16.55 12.45 2935 5 CX34−50/60C−6F 3 37L51 − order separately
36,600 10.7 16.40 12.45 2935 5 CX34−49C−6F 3 37L51 − order separately
Up-FlowI d C il
35,600 10.4 18.10 12.55 2835 6 CX34−36B−6F + G61MPV−36B−070 Factory Installed TXVpIndoor Coils+ Furnaces 35,600 10.4 18.10 12.55 2835 6 CX34−42B−6F + G61MPV−36B−070 3 37L51 − order separately+ Furnaces
35,800 10.5 18.20 12.65 2835 6 CX34−36A−6F + G60UHV−36A−070 Factory Installed TXV
36,000 10.6 18.55 13.00 2775 6 CX34−36B−6F + G60UHV−36B−090 Factory Installed TXV
36,000 10.6 18.55 13.00 2775 6 CX34−42B−6F + G60UHV−36B−090 3 37L51 − order separately
36,800 10.8 18.50 13.00 2845 6 CX34−44/48B−6F + G61MPV−36B−070 3 37L51 − order separately
37,200 10.9 19.00 13.55 2745 6 CX34−44/48B−6F + G60UHV−36B−090 3 37L51 − order separately
37,200 10.9 18.70 13.10 2845 6 CX34−38B−6F + G61MPV−36B−070 Factory Installed TXV
37,400 11.0 19.20 13.45 2780 6 CX34−44/48C−6F + G61MPV−60C−090 3 37L51 − order separately
37,400 11.0 19.15 13.60 2745 6 CX34−50/60C−6F + G61MPV−36C−090 3 37L51 − order separately
37,400 11.0 18.50 13.00 2870 6 CX34−38A−6F + G60UHV−36A−070 Factory Installed TXV
37,600 11.0 18.90 13.50 2785 6 CX34−38B−6F + G60UHV−36B−090 Factory Installed TXV
38,500 11.3 19.35 13.75 2795 6 CX34−50/60C−6F + G60UHV−60C−090 3 37L51 − order separately
38,500 11.3 19.30 13.75 2795 6 CX34−49C−6F + G60UHV−60C−090 3 37L51 − order separately
39,000 11.4 19.35 13.25 2945 6 CX34−49C−6F + G61MPV−60C−110 3 37L51 − order separately
39,000 11.4 19.20 13.20 2950 6 CX34−49C−6F + G61MPV−60C−090 3 37L51 − order separately
Air Handlers 36,200 10.6 17.30 12.75 2840 5 CBX32M−030 (Multi−Position) Factory Installed TXV
36,200 10.6 17.25 12.55 2885 5 CBX32M−036 (Multi−Position) Factory Installed TXV
36,200 10.6 17.25 12.55 2885 5 CBX32M−042 (Multi−Position) 3 37L51 − order separately
36,400 10.7 18.90 13.15 2765 6 CBX32MV−024/030 (Multi−Position) Factory Installed TXV
36,800 10.8 19.25 13.35 2755 6 CBX32MV−036 (Multi−Position) Factory Installed TXV
37,400 11.0 17.15 13.10 2855 5 CBX32M−048 (Multi−Position) 3 37L51 − order separately
38,000 11.1 20.00 14.00 2695 4, 6 CBX32MV−048 (Multi−Position) 3 37L51 − order separately1 Sound Rating Number rated in accordance + test conditions included in ARI Standard 270.2 Certified in accordance + USE certification program which is based on ARI Standard 210/240; 95�F (35�C) outdoor air temperature, 80�F (27�C) db�/�67�F (19�C) wb
entering evaporator air + 25 ft. (7.6 m) of connecting refrigerant lines.3 Factory installed expansion valve or RFCIV device on indoor unit MUST be replaced with valve specified.4 Most popular air handler.5 Blower must be capable of time−off blower delay, high−speed cooling/heating operation during second−stage compressor operation, and low−speed cooling/heating operation
during first−stage compressor operation. Time Delay Relay Kit (58M81) and Indoor Blower Speed Relay Kit (40K58) are recommend for field installation.6 Blower control must be set for a time−off blower delay.
XC21 − 2 to 5 Ton Air Conditioner / Page 12
ARI RATINGS − R−22 INDOOR COILS / AIR HANDLERS 3 Ton
NOTE − Match−ups are sorted by: Cooling Capacity then SEER
Outdoor Unit Model No2 ARI Standard 210/240 Ratings
Outdoor Unit Model No.Unit Size1 S d R ti N b
Cooling Capacity Efficiency TotalUnit
Unit Size1 Sound Rating Number
Btuh kW SEER EERUnit
Watts Indoor Unit Model No. Expansion Device
XC21−0363 Ton
Up-FlowIndoor Coils
35,200 10.3 16.05 12.05 2925 4 C33−42B 3 37L51 − order separately3 Ton(71 dB)
Indoor Coils35,200 10.3 16.05 12.05 2925 4 C33−36A/B/C 3 37L51 − order separately( )
36,200 10.6 16.40 12.35 2930 4 C33−48B/C 3 37L51 − order separately
36,200 10.6 16.35 12.35 2930 4 C33−44C 3 37L51 − order separately
36,600 10.7 16.60 12.45 2935 4 C33−38A/B 3 37L51 − order separately
36,600 10.7 16.55 12.45 2935 4 C33−50/60C 3 37L51 − order separately
36,600 10.7 16.40 12.45 2935 4 C33−49C 3 37L51 − order separately
Down-FlowIndoor Coils
35,800 10.5 16.25 12.20 2930 4 CR26−48N/W−F 3 37L51 − order separatelyIndoor Coils
36,000 10.6 16.45 12.30 2930 4 CR26−36N/W−F 3 37L51 − order separately
HorizontalIndoor Coils
35,400 10.4 16.20 12.10 2925 4 CH33−36A/B/C−2F 3 37L51 − order separatelyIndoor Coils
35,400 10.4 16.00 12.10 2925 4 CH23−41 3 37L51 − order separately
36,200 10.6 16.40 12.35 2935 4 CH23−51 3 37L51 − order separately
36,400 10.7 16.55 12.40 2935 4 CH33−42B−2F 3 37L51 − order separately
37,000 10.8 16.75 12.60 2940 4 CH33−44/48B−2F 3 37L51 − order separately
Air Handlers 36,200 10.6 17.30 12.75 2840 4 CB30M−31 (Multi−Position) 3 37L51 − order separately
36,200 10.6 17.25 12.55 2885 4 CB30M−41 (Multi−Position) 3 37L51 − order separately
36,200 10.6 17.25 12.55 2885 4 CB30M−46 (Multi−Position) 3 37L51 − order separately
36,400 10.7 17.40 12.80 2845 4 CB30U−31 (Up−Flow) 3 37L51 − order separately
36,400 10.7 17.35 12.60 2885 4 CB30U−41/46 (Up−Flow) 3 37L51 − order separately
36,800 10.8 19.25 13.35 2755 5 CB31MV−41 (Multi−Position) 3 37L51 − order separately
37,400 11.0 17.15 13.10 2855 4 CB30M−51 (Multi−Position) 3 37L51 − order separately
37,400 11.0 17.15 13.10 2855 4 CB30U−51 (Up−Flow) 3 37L51 − order separately
38,000 11.1 20.00 14.00 2695 5 CB31MV−51 (Multi−Position) 3 37L51 − order separately
NOTE − Ratings for all C33 coils include all cased and uncased coils.1 Sound Rating Number rated in accordance with test conditions included in ARI Standard 270.2 Certified in accordance with USE certification program which is based on ARI Standard 210/240; 95�F (35�C) outdoor air temperature, 80�F (27�C) db�/�67�F (19�C) wb
entering evaporator air with 25 ft. (7.6 m) of connecting refrigerant lines.3 Factory installed expansion valve or RFCIV device on indoor unit MUST be replaced with valve specified.4 Blower must be capable of time−off blower delay, high−speed cooling/heating operation during second−stage compressor operation, and low−speed cooling/heating operation
during first−stage compressor operation. Time Delay Relay Kit (58M81) and Indoor Blower Speed Relay Kit (40K58) are recommend for field installation.5 Blower control must be set for a time−off blower delay.
XC21 − 2 to 5 Ton Air Conditioner / Page 13
ARI RATINGS − R−22 INDOOR COILS + FURNACES 3 Ton
NOTE − Match−ups are sorted by: Cooling Capacity then SEER
Outdoor Unit Model No2 ARI Standard 210/240 Ratings
Outdoor Unit Model No.Unit Size1 S d R ti N b
Cooling Capacity Efficiency TotalUnit
Unit Size1 Sound Rating Number
Btuh kW SEER EERUnit
Watts Indoor Unit Model No. Expansion Device
XC21−0363 Ton
Up-FlowIndoor Coils
35,600 10.4 18.10 12.55 2835 4 C33−36B + G61MPV−36B−070 3 37L51 − order separately3 Ton(71 dB)
Indoor Coils+ Furnaces 35,600 10.4 18.10 12.55 2835 4 C33−42B + G61MPV−36B−070 3 37L51 − order separately( )
35,800 10.5 18.20 12.65 2835 4 C33−36A + G60UHV−36A−070 3 37L51 − order separately
36,000 10.6 18.55 13.00 2775 4 C33−36B + G60UHV−36B−090 3 37L51 − order separately
36,000 10.6 18.55 13.00 2775 4 C33−42B + G60UHV−36B−090 3 37L51 − order separately
36,800 10.8 18.50 13.00 2845 4 C33−48B + G61MPV−36B−070 3 37L51 − order separately
37,200 10.9 19.00 13.55 2745 4 C33−48B + G60UHV−36B−090 3 37L51 − order separately
37,200 10.9 18.70 13.10 2845 4 C33−38B + G61MPV−36B−070 3 37L51 − order separately
37,400 11.0 19.20 13.45 2780 4 C33−48C + G61MPV−60C−090 3 37L51 − order separately
37,400 11.0 19.15 13.60 2745 4 C33−50/60C + G61MPV−36C−090 3 37L51 − order separately
37,400 11.0 18.50 13.00 2870 4 C33−38A + G60UHV−36A−070 3 37L51 − order separately
37,600 11.0 18.90 13.50 2785 4 C33−38B + G60UHV−36B−090 3 37L51 − order separately
38,500 11.3 19.35 13.75 2795 4 C33−50/60C + G60UHV−60C−090 3 37L51 − order separately
38,500 11.3 19.30 13.75 2795 4 C33−49C + G60UHV−60C−090 3 37L51 − order separately
39,000 11.4 19.35 13.25 2945 4 C33−49C + G61MPV−60C−110 3 37L51 − order separately
39,000 11.4 19.20 13.20 2950 4 C33−49C + G61MPV−60C−090 3 37L51 − order separately
Down-FlowIndoor Coils
36,400 10.7 18.85 13.00 2805 4 CR26−36N−2F + G60DFV−36B−090 3 37L51 − order separatelyIndoor Coils+ Furnaces 36,400 10.7 18.70 13.20 2755 4 CR26−48N−2F + G60DFV−36B−090 3 37L51 − order separately
HorizontalIndoor Coils
35,400 10.4 17.80 12.35 2865 4 CH33−36A−2F + G61MPV−36A−070 3 37L51 − order separatelyIndoor Coils+ Furnaces 35,600 10.4 18.00 12.50 2845 4 CH33−36B−2F + G61MPV−36B−090 3 37L51 − order separately
35,600 10.4 18.00 12.50 2845 4 CH33−36B−2F + G61MPV−36B−070 3 37L51 − order separately
35,600 10.4 17.90 12.45 2855 4 CH33−36A−2F + G60UHV−36A−070 3 37L51 − order separately
36,000 10.6 18.50 13.00 2770 4 CH33−36B−2F + G60UHV−36B−090 3 37L51 − order separately
36,400 10.7 18.70 13.25 2750 4 CH33−36C−2F + G61MPV−36C−090 3 37L51 − order separately
36,600 10.7 18.55 12.90 2840 4 CH33−42B−2F + G61MPV−36B−070 3 37L51 − order separately
37,000 10.8 19.00 13.30 2780 4 CH33−42B−2F + G60UHV−36B−090 3 37L51 − order separately
37,400 11.0 18.75 13.30 2815 4 CH33−44/48B−2F + G61MPV−36B−070 3 37L51 − order separately
37,800 11.1 19.25 13.75 2750 4 CH33−44/48B−2F + G60UHV−36B−090 3 37L51 − order separately
NOTE − Ratings for all C33 coils include all cased and uncased coils.1 Sound Rating Number rated in accordance with test conditions included in ARI Standard 270.2 Certified in accordance with USE certification program which is based on ARI Standard 210/240; 95�F (35�C) outdoor air temperature, 80�F (27�C) db�/�67�F (19�C) wb
entering evaporator air with 25 ft. (7.6 m) of connecting refrigerant lines.3 Factory installed expansion valve or RFCIV device on indoor unit MUST be replaced with valve specified.4 Blower control must be set for a time−off blower delay.
XC21 − 2 to 5 Ton Air Conditioner / Page 14
ARI RATINGS − R−410A INDOOR COILS / INDOOR COILS + FURNACES / AIR HANDLERS 4 Ton
NOTE − Match−ups are sorted by: Cooling Capacity then SEER
Outdoor Unit Model No2 ARI Standard 210/240 Ratings
Outdoor Unit Model No.Unit Size1 S d R ti N b
Cooling Capacity Efficiency TotalUnit
Unit Size1 Sound Rating Number
Btuh kW SEER EERUnit
Watts Indoor Unit Model No. Expansion Device
XC21−0484 Ton
Up-FlowIndoor Coils
47,500 13.9 15.30 12.00 3965 4 CX34−44/48B/C−6F Factory Installed TXV4 Ton(73 dB)
Indoor Coils48,500 14.2 15.45 12.20 3970 4 CX34−50/60C−6F Factory Installed TXV( )
48,500 14.2 15.40 12.20 3975 4 CX34−49C−6F Factory Installed TXV
49,000 14.4 15.70 12.30 3985 4 CX34−60D−6F Factory Installed TXV
49,500 14.5 15.75 12.40 3990 4 CX34−62D−6F Factory Installed TXV
Up-FlowIndoor Coils
48,000 14.1 16.75 12.45 3850 5 CX34−44/48C + G61MPV−60C−110 Factory Installed TXVIndoor Coils+ Furnaces 48,000 14.1 16.70 12.35 3880 5 CX34−44/48C + G61MPV−60C−090 Factory Installed TXV
48,500 14.2 17.00 12.60 3855 5 CX34−44/48C + G60UHV−60C−090 Factory Installed TXV
48,500 14.2 17.00 12.60 3855 5 CX34−50/60C + G61MPV−60C−110 Factory Installed TXV
48,500 14.2 16.95 12.50 3885 5 CX34−50/60C + G61MPV−60C−090 Factory Installed TXV
48,500 14.2 16.85 12.50 3885 5 CX34−49C + G61MPV−60C−090 Factory Installed TXV
49,000 14.4 17.15 12.70 3865 5 CX34−50/60C + G60UHV−60C−090 Factory Installed TXV
49,000 14.4 17.05 12.70 3860 5 CX34−49C + G60UHV−60C−090 Factory Installed TXV
49,500 14.5 17.55 13.00 3810 5 CX34−60D + G61MPV−60D−135 Factory Installed TXV
50,000 14.7 17.65 13.10 3815 5 CX34−62D + G61MPV−60D−135 Factory Installed TXV
50,500 14.8 17.75 13.20 3820 5 CX34−60D + G60UHV−60D−135 Factory Installed TXV
51,000 14.9 17.85 13.35 3825 5 CX34−62D + G60UHV−60D−135 Factory Installed TXV
Air Handlers 46,000 13.5 16.80 11.85 3880 5 CBX32MV−036 (Multi−Position) Factory Installed TXV
46,000 13.5 15.90 12.00 3830 4 CBX32M−036 (Multi−Position) Factory Installed TXV
46,000 13.5 15.90 12.00 3830 4 CBX32M−042 (Multi−Position) Factory Installed TXV
49,000 14.4 17.80 12.80 3870 3, 5 CBX32MV−048 (Multi−Position) Factory Installed TXV
49,000 14.4 16.05 12.60 3890 4 CBX32M−048 (Multi−Position) Factory Installed TXV
49,000 14.4 16.05 12.60 3895 4 CBX32M−060 (Multi−Position) Factory Installed TXV
49,500 14.5 18.10 13.10 3760 5 CBX32MV−068 (Multi−Position) Factory Installed TXV
49,500 14.5 17.70 12.75 3875 5 CBX32MV−060 (Multi−Position) Factory Installed TXV
1 Sound Rating Number rated in accordance + test conditions included in ARI Standard 270.2 Certified in accordance + USE certification program which is based on ARI Standard 210/240; 95�F (35�C) outdoor air temperature, 80�F (27�C) db�/�67�F (19�C) wb
entering evaporator air + 25 ft. (7.6 m) of connecting refrigerant lines.3 Most popular air handler.4 Blower must be capable of time−off blower delay, high−speed cooling/heating operation during second−stage compressor operation, and low−speed cooling/heating operation
during first−stage compressor operation. Time Delay Relay Kit (58M81) and Indoor Blower Speed Relay Kit (40K58) are recommend for field installation.5 Blower control must be set for a time−off blower delay.
XC21 − 2 to 5 Ton Air Conditioner / Page 15
ARI RATINGS − R−22 INDOOR COILS / AIR HANDLERS 4 Ton
NOTE − Match−ups are sorted by: Cooling Capacity then SEER
Outdoor Unit Model No2 ARI Standard 210/240 Ratings
Outdoor Unit Model No.Unit Size1 S d R ti N b
Cooling Capacity Efficiency TotalUnit
Unit Size1 Sound Rating Number
Btuh kW SEER EERUnit
Watts Indoor Unit Model No. Expansion Device
XC21−0484 Ton
Up-FlowIndoor Coils
47,500 13.9 15.30 12.00 3965 4 C33−48B/C 3 39L72 − order separately4 Ton(73 dB)
Indoor Coils48,500 14.2 15.45 12.20 3970 4 C33−50/60C 3 39L72 − order separately( )
48,500 14.2 15.40 12.20 3975 4 C33−49C 3 39L72 − order separately
49,000 14.4 15.70 12.30 3985 4 C33−60D 3 39L72 − order separately
49,500 14.5 15.75 12.40 3990 4 C33−62D 3 39L72 − order separately
Down-FlowIndoor Coils
46,500 13.6 14.90 11.75 3955 4 CR26−48N/W−F 3 39L72 − order separatelyIndoor Coils
48,500 14.2 15.45 12.20 3975 4 CR26−60N/W−F 3 39L72 − order separately
HorizontalIndoor Coils
47,000 13.8 15.00 11.85 3970 4 CH23−51 3 39L72 − order separatelyIndoor Coils
47,500 13.9 15.20 12.00 3980 4 CH23−65 3 39L72 − order separately
48,500 14.2 15.50 12.15 3985 4 CH33−44/48B−2F 3 39L72 − order separately
49,000 14.4 15.55 12.30 3990 4 CH33−60D−2F 3 39L72 − order separately
49,000 14.4 15.60 12.30 3990 4 CH33−62D−2F 3 39L72 − order separately
49,500 14.5 15.75 12.40 3995 4 CH33−50/60C−2F 3 39L72 − order separately
50,000 14.7 15.80 12.50 4000 4 CH23−68 3 39L72 − order separately
Air Handlers 46,000 13.5 16.80 11.85 3880 5 CB31MV−41 (Multi−Position) 3 39L72 − order separately
46,000 13.5 15.90 12.00 3830 4 CB30M−41 (Multi−Position) 3 39L72 − order separately
46,000 13.5 15.90 12.00 3830 4 CB30M−46 (Multi−Position) 3 39L72 − order separately
46,500 13.6 15.60 12.15 3835 4 CB30U−41/46 (Up−Flow) 3 39L72 − order separately
48,500 14.2 15.90 12.40 3905 4 CB30U−51 (Up−Flow) 3 39L72 − order separately
49,000 14.4 16.55 12.60 3895 4 CB30U−65 (Up−Flow) 3 39L72 − order separately
49,000 14.4 16.05 12.60 3890 4 CB30M−51 (Multi−Position) 3 39L72 − order separately
49,000 14.4 16.05 12.60 3895 4 CB30M−65 (Multi−Position) 3 39L72 − order separately
49,000 14.4 17.80 12.80 3870 5 CB31MV−51 (Multi−Position) 3 39L72 − order separately
49,500 14.5 17.70 12.75 3875 5 CB31MV−65 (Multi−Position) 3 39L72 − order separately
NOTE − Ratings for all C33 coils include all cased and uncased coils.1 Sound Rating Number rated in accordance + test conditions included in ARI Standard 270.2 Certified in accordance + USE certification program which is based on ARI Standard 210/240; 95�F (35�C) outdoor air temperature, 80�F (27�C) db�/�67�F (19�C) wb
entering evaporator air + 25 ft. (7.6 m) of connecting refrigerant lines.3 Factory installed expansion valve or RFCIV device on indoor unit MUST be replaced with valve specified.4 Blower must be capable of time−off blower delay, high−speed cooling/heating operation during second−stage compressor operation, and low−speed cooling/heating operation
during first−stage compressor operation. Time Delay Relay Kit (58M81) and Indoor Blower Speed Relay Kit (40K58) are recommend for field installation.5 Blower control must be set for a time−off blower delay.
XC21 − 2 to 5 Ton Air Conditioner / Page 16
ARI RATINGS − R−22 INDOOR COILS + FURNACES 4 Ton
NOTE − Match−ups are sorted by: Cooling Capacity then SEER
Outdoor Unit Model No2 ARI Standard 210/240 Ratings
Outdoor Unit Model No.Unit Size1 S d R ti N b
Cooling Capacity Efficiency TotalUnit
Unit Size1 Sound Rating Number
Btuh kW SEER EERUnit
Watts Indoor Unit Model No. Expansion Device
XC21−0484 Ton
Up-FlowIndoor Coils
48,000 14.1 16.75 12.45 3850 4 C33−48C + G61MPV−60C−110 3 39L72 − order separately4 Ton(73 dB)
Indoor Coils+ Furnaces 48,000 14.1 16.70 12.35 3880 4 C33−48C + G61MPV−60C−090 3 39L72 − order separately( )
48,500 14.2 17.00 12.60 3855 4 C33−48C + G60UHV−60C−090 3 39L72 − order separately
48,500 14.2 17.00 12.60 3855 4 C33−50/60C + G61MPV−60C−110 3 39L72 − order separately
48,500 14.2 16.95 12.50 3885 4 C33−50/60C + G61MPV−60C−090 3 39L72 − order separately
48,500 14.2 16.85 12.50 3885 4 C33−49C + G61MPV−60C−090 3 39L72 − order separately
49,000 14.4 17.15 12.70 3865 4 C33−50/60C + G60UHV−60C−090 3 39L72 − order separately
49,000 14.4 17.05 12.70 3860 4 C33−49C + G60UHV−60C−090 3 39L72 − order separately
49,500 14.5 17.55 13.00 3810 4 C33−60D + G61MPV−60D−135 3 39L72 − order separately
50,000 14.7 17.65 13.10 3815 4 C33−62D + G61MPV−60D−135 3 39L72 − order separately
50,500 14.8 17.75 13.20 3820 4 C33−60D + G60UHV−60D−135 3 39L72 − order separately
51,000 14.9 17.85 13.35 3825 4 C33−62D + G60UHV−60D−135 3 39L72 − order separately
Down-FlowIndoor Coils
47,000 13.8 16.40 12.25 3835 4 CR26−48N−F + G61MPV−60C−110 3 39L72 − order separatelyIndoor Coils+ Furnaces 47,500 13.9 16.60 12.35 3840 4 CR26−48N−F + G60DFV−60C−090 3 39L72 − order separately
49,000 14.4 17.35 12.90 3800 4 CR26−60W−F + G61MPV−60D−135 3 39L72 − order separately
49,500 14.5 17.50 13.00 3825 4 CR26−60W−F + G60DFV−60D−135 3 39L72 − order separately
HorizontalIndoor Coils
48,000 14.1 16.75 12.45 3850 4 CH23−51 + G60UHV−60C−090 3 39L72 − order separatelyIndoor Coils+ Furnaces 48,500 14.2 17.00 12.50 3885 4 CH33−48C−2F + G61MPV−60C−090 3 39L72 − order separately
49,000 14.4 17.20 12.70 3865 4 CH33−48C−2F + G60UHV−60C−090 3 39L72 − order separately
49,000 14.4 17.05 12.60 3890 4 CH33−50/60C−2F + G61MPV−60C−090 3 39L72 − order separately
49,500 14.5 17.50 13.00 3810 4 CH33−60D−2F + G61MPV−60D−135 3 39L72 − order separately
49,500 14.5 17.50 13.00 3810 4 CH33−62D−2F + G61MPV−60D−135 3 39L72 − order separately
49,500 14.5 17.25 12.80 3870 4 CH33−50/60C−2F + G60UHV−60C−090 3 39L72 − order separately
50,000 14.7 17.70 13.10 3815 4 CH33−60D−2F + G60UHV−60D−135 3 39L72 − order separately
50,500 14.8 17.75 13.20 3820 4 CH33−62D−2F + G60UHV−60D−135 3 39L72 − order separately
NOTE − Ratings for all C33 coils include all cased and uncased coils.1 Sound Rating Number rated in accordance + test conditions included in ARI Standard 270.2 Certified in accordance + USE certification program which is based on ARI Standard 210/240; 95�F (35�C) outdoor air temperature, 80�F (27�C) db�/�67�F (19�C) wb
entering evaporator air + 25 ft. (7.6 m) of connecting refrigerant lines.3 Factory installed expansion valve or RFCIV device on indoor unit MUST be replaced with valve specified.4 Blower control must be set for a time−off blower delay.
XC21 − 2 to 5 Ton Air Conditioner / Page 17
ARI RATINGS − R−410A INDOOR COILS / INDOOR COILS + FURNACES / AIR HANDLERS 5 Ton
NOTE − Match−ups are sorted by: Cooling Capacity then SEER
Outdoor Unit Model No2 ARI Standard 210/240 Ratings
Outdoor Unit Model No.Unit Size1 S d R ti N b
Cooling Capacity Efficiency TotalUnit
Unit Size1 Sound Rating Number
Btuh kW SEER EERUnit
Watts Indoor Unit Model No. Expansion Device
XC21−0605 Ton
Up-FlowIndoor Coils
56,500 16.6 14.55 11.20 5050 4 CX34−44/48B/C−6F Factory Installed TXV5 Ton(73 dB)
Indoor Coils57,500 16.9 14.75 11.35 5060 4 CX34−50/60C−6F Factory Installed TXV( )
58,000 17.0 14.80 11.45 5075 4 CX34−49C−6F Factory Installed TXV
59,000 17.3 15.00 11.65 5075 4 CX34−60D−6F Factory Installed TXV
59,500 17.4 15.15 11.70 5085 4 CX34−62D−6F Factory Installed TXV
60,000 17.6 15.40 11.80 5090 4 CX34−62C−6F Factory Installed TXV
Up-FlowIndoor Coils
56,500 16.6 14.70 10.55 5355 5 CX34−44/48C−6F + G61MPV−60C−090 Factory Installed TXVIndoor Coils+ Furnaces 57,000 16.7 15.60 11.25 5060 5 CX34−44/48C−6F + G60UHV−60C−090 Factory Installed TXV
57,500 16.9 14.85 10.70 5375 5 CX34−50/60C−6F + G61MPV−60C−090 Factory Installed TXV
58,000 17.0 15.70 11.45 5060 5 CX34−50/60C−6F + G60UHV−60C−090 Factory Installed TXV
58,500 17.1 15.70 11.50 5090 5 CX34−49C−6F + G60UHV−60C−090 Factory Installed TXV
58,500 17.1 14.85 10.85 5390 5 CX34−49C−6F + G61MPV−60C−090 Factory Installed TXV
60,000 17.6 16.30 11.95 5025 5 CX34−60D−6F + G60UHV−60D−135 Factory Installed TXV
60,000 17.6 15.45 11.35 5275 5 CX34−60D−6F + G61MPV−60D−135 Factory Installed TXV
60,500 17.7 16.50 12.05 5030 5 CX34−62D−6F + G60UHV−60D−135 Factory Installed TXV
60,500 17.7 15.75 11.45 5280 5 CX34−62D−6F + G61MPV−60D−135 Factory Installed TXV
60,500 17.7 15.55 11.15 5415 5 CX34−62C−6F + G61MPV−60C Factory Installed TXV
61,000 17.9 16.35 11.95 5105 5 CX34−62C−6F + G60UHV−60C−090 Factory Installed TXV
Air Handlers 58,000 17.0 15.40 11.35 5110 4 CBX32M−048 (Multi−Position) Factory Installed TXV
58,500 17.1 16.65 11.90 4915 5 CBX32MV−048 (Multi−Position) Factory Installed TXV
58,500 17.1 15.50 11.45 5120 4 CBX32M−060 (Multi−Position) Factory Installed TXV
59,000 17.3 16.80 12.20 4860 3, 5 CBX32MV−060 (Multi−Position) Factory Installed TXV
59,500 17.4 17.00 12.50 4775 5 CBX32MV−068 (Multi−Position) Factory Installed TXV
1 Sound Rating Number rated in accordance + test conditions included in ARI Standard 270.2 Certified in accordance + USE certification program which is based on ARI Standard 210/240; 95�F (35�C) outdoor air temperature, 80�F (27�C) db�/�67�F (19�C) wb
entering evaporator air + 25 ft. (7.6 m) of connecting refrigerant lines.3 Most popular air handler.4 Blower must be capable of time−off blower delay, high−speed cooling/heating operation during second−stage compressor operation, and low−speed cooling/heating operation
during first−stage compressor operation. Time Delay Relay Kit (58M81) and Indoor Blower Speed Relay Kit (40K58) are recommend for field installation.5 Blower control must be set for a time−off blower delay.
XC21 − 2 to 5 Ton Air Conditioner / Page 18
ARI RATINGS − R−22 INDOOR COILS / INDOOR COILS + FURNACES / AIR HANDLERS 5 Ton
NOTE − Match−ups are sorted by: Cooling Capacity then SEER
Outdoor Unit Model No2 ARI Standard 210/240 Ratings
Outdoor Unit Model No.Unit Size1 S d R ti N b
Cooling Capacity Efficiency TotalUnit
Unit Size1 Sound Rating Number
Btuh kW SEER EERUnit
Watts Indoor Unit Model No. Expansion Device
XC21−0605 T
Up-FlowI d C il
56,500 16.6 14.55 11.20 5050 4 C33−48B/C 3 39L72 − order separately5 Ton(73 dB)
pIndoor Coils
57,500 16.9 14.75 11.35 5060 4 C33−50/60C 3 39L72 − order separately(73 dB)58,000 17.0 14.80 11.45 5075 4 C33−49C 3 39L72 − order separately
59,000 17.3 15.00 11.65 5075 4 C33−60D 3 39L72 − order separately
59,500 17.4 15.15 11.70 5085 4 C33−62D 3 39L72 − order separately
60,000 17.6 15.40 11.80 5090 4 C33−62C 3 39L72 − order separately
Up-FlowI d C il
56,500 16.6 14.70 10.55 5355 5 C33−48C + G61MPV−60C−090 3 39L72 − order separatelypIndoor Coils+ Furnaces 57,000 16.7 15.60 11.25 5060 5 C33−48C + G60UHV−60C−090 3 39L72 − order separately+ Furnaces
57,500 16.9 14.85 10.70 5375 5 C33−50/60C + G61MPV−60C−090 3 39L72 − order separately
58,000 17.0 15.70 11.45 5060 5 C33−50/60C + G60UHV−60C−090 3 39L72 − order separately
58,500 17.1 15.70 11.50 5090 5 C33−49C + G60UHV−60C−090 3 39L72 − order separately
58,500 17.1 14.85 10.85 5390 5 C33−49C + G61MPV−60C−090 3 39L72 − order separately
60,000 17.6 16.30 11.95 5025 5 C33−60D + G60UHV−60D−135 3 39L72 − order separately
60,000 17.6 15.45 11.35 5275 5 C33−60D + G61MPV−60D−135 3 39L72 − order separately
60,500 17.7 16.50 12.05 5030 5 C33−62D + G60UHV−60D−135 3 39L72 − order separately
60,500 17.7 15.75 11.45 5280 5 C33−62D + G61MPV−60D−135 3 39L72 − order separately
60,500 17.7 15.55 11.15 5415 5 C33−62C + G61MPV−60C−110 3 39L72 − order separately
61,000 17.9 16.35 11.95 5105 5 C33−62C + G60UHV−60C−090 3 39L72 − order separately
Down-FlowI d C il
55,000 16.1 14.20 10.95 5020 4 CR26−48N/W−F 3 39L72 − order separatelyIndoor Coils
57,000 16.7 14.80 11.25 5060 4 CR26−60N/W−F 3 39L72 − order separately
Down-FlowI d C il
55,000 16.1 14.40 10.30 5330 5 CR26−48N−F + G61MPV−60C−110 3 39L72 − order separatelyIndoor Coils+ Furnaces 56,000 16.4 15.35 10.85 5150 5 CR26−48N−F + G60DFV−60C−110 3 39L72 − order separately+ Furnaces
58,000 17.0 16.15 11.65 4980 5 CR26−60W−F + G60DFV−60D−135 3 39L72 − order separately
58,000 17.0 15.20 11.10 5225 5 CR26−60W−F + G61MPV−60D−135 3 39L72 − order separately
HorizontalI d C il
56,000 16.4 14.45 11.15 5030 4 CH23−51 3 39L72 − order separatelyIndoor Coils
57,000 16.7 14.60 11.30 5055 4 CH23−65 3 39L72 − order separately
58,000 17.0 14.95 11.45 5070 4 CH33−60D−2F 3 39L72 − order separately
59,000 17.3 15.05 11.60 5080 4 CH33−50/60C−2F 3 39L72 − order separately
59,000 17.3 15.00 11.60 5080 4 CH33−62D−2F 3 39L72 − order separately
59,500 17.4 15.15 11.70 5085 4 CH23−68 3 39L72 − order separately
HorizontalI d C il
56,500 16.6 15.35 11.15 5060 5 CH23−51 + G60UHV−60C−090 3 39L72 − order separatelyIndoor Coils+ Furnaces 57,000 16.7 15.55 11.25 5075 5 CH23−65 + G60UHV−60C−090 3 39L72 − order separately+ Furnaces
58,000 17.0 14.80 10.70 5420 5 CH33−50/60C−2F + G61MPV−60C−090 3 39L72 − order separately
58,500 17.1 15.85 11.50 5085 5 CH33−50/60C−2F + G60UHV−60C−090 3 39L72 − order separately
59,000 17.3 16.25 11.75 5015 5 CH33−60D−2F + G60UHV−60D−135 3 39L72 − order separately
59,000 17.3 15.40 11.15 5295 5 CH33−60D−2F + G61MPV−60D−135 3 39L72 − order separately
60,000 17.6 16.30 11.95 5030 5 CH33−62D−2F + G60UHV−60D−135 3 39L72 − order separately
60,000 17.6 15.50 11.30 5315 5 CH33−62D−2F + G61MPV−60D−135 3 39L72 − order separately
60,500 17.7 16.20 11.55 5245 5 CH23−68 + G60UHV−60C−110 3 39L72 − order separately
Air Handlers 57,000 16.7 15.20 11.55 4940 4 CB30U−51 (Up−Flow) 3 39L72 − order separately
58,000 17.0 15.40 11.35 5110 4 CB30M−51 (Multi−Position) 3 39L72 − order separately
58,500 17.1 16.65 11.90 4915 5 CB31MV−51 (Multi−Position) 3 39L72 − order separately
58,500 17.1 15.50 11.45 5120 4 CB30M−65 (Multi−Position) 3 39L72 − order separately
59,000 17.3 16.80 12.20 4860 5 CB31MV−65 (Multi−Position) 3 39L72 − order separately
59,000 17.3 15.40 11.55 5115 4 CB30U−65 (Up−Flow) 3 39L72 − order separately
NOTE − Ratings for all C33 coils include all cased and uncased coils.1 Sound Rating Number rated in accordance + test conditions included in ARI Standard 270.2 Certified in accordance + USE certification program which is based on ARI Standard 210/240; 95�F (35�C) outdoor air temperature, 80�F (27�C) db�/�67�F (19�C) wb
entering evaporator air + 25 ft. (7.6 m) of connecting refrigerant lines.3 Factory installed expansion valve or RFCIV device on indoor unit MUST be replaced with valve specified.4 Blower must be capable of time−off blower delay, high−speed cooling/heating operation during second−stage compressor operation, and low−speed cooling/heating operation
during first−stage compressor operation. Time Delay Relay Kit (58M81) and Indoor Blower Speed Relay Kit (40K58) are recommend for field installation.5 Blower control must be set for a time−off blower delay.
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 2 TON
UP−FLOW INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 19
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−18/24A/B/C−6F] [C33−24A/B/C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT t
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTemperat
ure
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbure
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F460 215 18.1 5.3 .77 .72 .84 .95 17.4 5.1 .92 .73 .85 .97 16.5 4.8 1.10 .74 .87 .99 15.6 4.6 1.31 .76 .90 1.00
63�F(17�C)
560 265 19.1 5.6 .77 .75 .88 1.00 18.3 5.4 .93 .76 .90 1.00 17.4 5.1 1.10 .78 .93 1.00 16.4 4.8 1.30 .80 .96 1.00(17�C)
660 310 19.9 5.8 .77 .78 .92 1.00 19.0 5.6 .92 .79 .95 1.00 18.1 5.3 1.10 .81 .97 1.00 17.1 5.0 1.30 .84 1.00 1.00
67�F460 215 19.1 5.6 .77 .58 .69 .80 18.3 5.4 .92 .58 .70 .82 17.5 5.1 1.10 .59 .72 .83 16.6 4.9 1.30 .60 .73 .86
67�F(19�C)
560 265 20.2 5.9 .77 .60 .72 .85 19.4 5.7 .93 .60 .74 .86 18.5 5.4 1.10 .61 .75 .88 17.4 5.1 1.31 .62 .77 .92(19�C)
660 310 21.0 6.2 .77 .61 .75 .89 20.2 5.9 .93 .62 .77 .91 19.1 5.6 1.10 .63 .79 .93 18.1 5.3 1.30 .65 .81 .96
71�F460 215 20.0 5.9 .77 .45 .56 .67 19.2 5.6 .93 .46 .57 .68 18.4 5.4 1.10 .45 .58 .69 17.4 5.1 1.30 .46 .59 .70
71�F(22�C)
560 265 21.2 6.2 .77 .46 .58 .70 20.4 6.0 .93 .46 .59 .71 19.4 5.7 1.10 .46 .60 .72 18.4 5.4 1.30 .47 .61 .74(22�C)
660 310 22.0 6.4 .78 .47 .60 .73 21.2 6.2 .93 .47 .61 .74 20.2 5.9 1.10 .47 .62 .76 19.1 5.6 1.30 .48 .63 .78
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−18/24A/B/C−6F] [C33−24A/B/C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F600 285 23.0 6.7 1.29 .72 .84 .95 22.0 6.4 1.50 .73 .85 .97 20.8 6.1 1.74 .74 .88 .99 19.6 5.7 2.00 .76 .90 1.00
63�F(17�C)
800 380 24.4 7.2 1.29 .77 .91 1.00 23.4 6.9 1.50 .78 .93 1.00 22.2 6.5 1.74 .80 .96 1.00 20.8 6.1 2.01 .82 .98 1.00(17�C)
1000 470 25.6 7.5 1.29 .81 .97 1.00 24.4 7.2 1.51 .83 .99 1.00 23.0 6.7 1.74 .85 1.00 1.00 21.8 6.4 2.01 .89 1.00 1.00
67�F600 285 24.0 7.0 1.29 .58 .69 .80 23.0 6.7 1.50 .59 .71 .82 21.8 6.4 1.74 .59 .72 .84 20.6 6.0 2.01 .60 .74 .87
67�F(19�C)
800 380 25.8 7.6 1.29 .61 .74 .87 24.6 7.2 1.50 .62 .76 .89 23.2 6.8 1.74 .63 .78 .92 21.8 6.4 2.02 .64 .80 .95(19�C)
1000 470 26.8 7.9 1.29 .63 .79 .94 25.6 7.5 1.51 .65 .81 .96 24.2 7.1 1.75 .66 .83 .99 22.6 6.6 2.02 .68 .86 1.00
71�F600 285 25.2 7.4 1.29 .45 .56 .67 24.0 7.0 1.50 .45 .57 .68 22.8 6.7 1.74 .45 .58 .70 21.6 6.3 2.01 .46 .59 .71
71�F(22�C)
800 380 27.0 7.9 1.30 .46 .59 .72 25.8 7.6 1.51 .47 .60 .74 24.4 7.2 1.75 .47 .61 .75 23.0 6.7 2.02 .48 .63 .78(22�C)
1000 470 28.2 8.3 1.30 .48 .62 .77 26.8 7.9 1.51 .48 .63 .79 25.4 7.4 1.75 .49 .65 .81 23.8 7.0 2.03 .49 .67 .84
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−25A/B] [C33−25A/B]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F460 215 18.7 5.5 .77 .71 .84 .95 17.9 5.2 .92 .73 .85 .97 17.0 5.0 1.10 .74 .87 .99 16.0 4.7 1.31 .76 .90 1.00
63�F(17�C)
560 265 19.8 5.8 .77 .75 .88 1.00 18.9 5.5 .92 .76 .90 1.00 17.9 5.2 1.09 .78 .93 1.00 16.8 4.9 1.30 .80 .96 1.00(17�C)
660 310 20.6 6.0 .77 .78 .93 1.00 19.7 5.8 .93 .80 .96 1.00 18.6 5.5 1.10 .82 .98 1.00 17.5 5.1 1.30 .84 1.00 1.00
67�F460 215 20.0 5.9 .77 .57 .69 .80 19.2 5.6 .93 .58 .70 .81 18.2 5.3 1.10 .58 .71 .83 17.2 5.0 1.30 .60 .73 .86
67�F(19�C)
560 265 21.2 6.2 .78 .59 .72 .84 20.2 5.9 .93 .60 .74 .87 19.2 5.6 1.10 .61 .75 .89 18.1 5.3 1.30 .62 .77 .92(19�C)
660 310 22.0 6.4 .78 .61 .75 .89 21.0 6.2 .93 .62 .77 .92 19.9 5.8 1.10 .63 .79 .94 18.7 5.5 1.30 .65 .82 .97
71�F460 215 21.2 6.2 .77 .45 .56 .66 20.4 6.0 .93 .45 .56 .67 19.4 5.7 1.10 .45 .57 .68 18.3 5.4 1.30 .45 .58 .70
71�F(22�C)
560 265 22.4 6.6 .78 .45 .57 .69 21.4 6.3 .93 .45 .58 .71 20.4 6.0 1.10 .46 .60 .72 19.3 5.7 1.30 .46 .61 .75(22�C)
660 310 23.4 6.9 .78 .46 .60 .73 22.4 6.6 .93 .46 .61 .75 21.2 6.2 1.10 .47 .62 .77 20.0 5.9 1.30 .47 .63 .79
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−25A/B] [C33−25A/B]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F600 285 23.8 7.0 1.29 .72 .84 .96 22.6 6.6 1.50 .73 .86 .98 21.4 6.3 1.74 .74 .88 1.00 20.0 5.9 2.02 .76 .91 1.00
63�F(17�C)
800 380 25.4 7.4 1.29 .77 .92 1.00 24.2 7.1 1.50 .79 .94 1.00 22.8 6.7 1.74 .81 .97 1.00 21.4 6.3 2.02 .84 1.00 1.00(17�C)
1000 470 26.6 7.8 1.29 .83 .99 1.00 25.2 7.4 1.51 .85 1.00 1.00 24.0 7.0 1.75 .87 1.00 1.00 22.6 6.6 2.02 .90 1.00 1.00
67�F600 285 25.2 7.4 1.29 .58 .69 .80 24.0 7.0 1.50 .58 .70 .82 22.8 6.7 1.74 .59 .72 .84 21.4 6.3 2.02 .60 .74 .87
67�F(19�C)
800 380 26.8 7.9 1.30 .61 .75 .88 25.6 7.5 1.51 .62 .76 .91 24.2 7.1 1.75 .63 .79 .94 22.6 6.6 2.02 .64 .81 .97(19�C)
1000 470 28.0 8.2 1.30 .64 .80 .96 26.6 7.8 1.51 .65 .82 .98 25.0 7.3 1.74 .67 .85 1.00 23.4 6.9 2.02 .69 .88 1.00
71�F600 285 26.6 7.8 1.30 .45 .56 .67 25.4 7.4 1.51 .45 .57 .68 24.0 7.0 1.74 .45 .57 .69 22.6 6.6 2.02 .45 .59 .71
71�F(22�C)
800 380 28.4 8.3 1.30 .46 .59 .72 27.0 7.9 1.51 .46 .60 .74 25.6 7.5 1.75 .47 .62 .76 24.0 7.0 2.02 .47 .63 .79(22�C)
1000 470 29.6 8.7 1.31 .47 .63 .78 28.0 8.2 1.52 .48 .64 .80 26.6 7.8 1.75 .48 .65 .82 24.8 7.3 2.03 .49 .67 .85
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 2 TON
UP−FLOW INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 20
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−30A/B/C−6F] [C33−30A/B/C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F460 215 18.0 5.3 .77 .72 .83 .94 17.3 5.1 .92 .73 .85 .96 16.5 4.8 1.09 .74 .87 .99 15.6 4.6 1.30 .76 .89 1.00
63�F(17�C)
560 265 19.0 5.6 .77 .75 .87 .99 18.2 5.3 .93 .76 .89 1.00 17.3 5.1 1.10 .78 .92 1.00 16.4 4.8 1.30 .80 .95 1.00(17�C)
660 310 19.7 5.8 .77 .77 .92 1.00 18.9 5.5 .93 .79 .94 1.00 18.0 5.3 1.10 .81 .97 1.00 17.1 5.0 1.30 .83 .99 1.00
67�F460 215 19.0 5.6 .77 .58 .69 .80 18.3 5.4 .92 .59 .70 .81 17.5 5.1 1.10 .59 .72 .83 16.6 4.9 1.30 .60 .73 .85
67�F(19�C)
560 265 20.2 5.9 .77 .60 .72 .84 19.3 5.7 .93 .61 .73 .86 18.4 5.4 1.10 .62 .75 .88 17.5 5.1 1.30 .63 .77 .91(19�C)
660 310 21.0 6.2 .77 .62 .75 .88 20.2 5.9 .93 .63 .76 .90 19.2 5.6 1.10 .63 .78 .93 18.1 5.3 1.30 .65 .81 .96
71�F460 215 19.9 5.8 .77 .45 .57 .67 19.2 5.6 .93 .45 .57 .68 18.4 5.4 1.10 .45 .58 .69 17.5 5.1 1.30 .45 .59 .71
71�F(22�C)
560 265 21.2 6.2 .77 .45 .58 .70 20.4 6.0 .93 .46 .59 .71 19.4 5.7 1.10 .46 .60 .72 18.4 5.4 1.30 .47 .61 .74(22�C)
660 310 22.2 6.5 .78 .47 .60 .72 21.2 6.2 .93 .47 .61 .74 20.2 5.9 1.10 .48 .62 .76 19.2 5.6 1.30 .48 .64 .78
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−30A/B/C−6F] [C33−30A/B/C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F600 285 23.0 6.7 1.28 .72 .83 .95 22.0 6.4 1.50 .73 .85 .97 20.8 6.1 1.73 .75 .87 .99 19.6 5.7 2.01 .76 .90 1.00
63�F(17�C)
800 380 24.6 7.2 1.28 .76 .90 1.00 23.4 6.9 1.50 .78 .93 1.00 22.2 6.5 1.75 .80 .95 1.00 20.8 6.1 2.01 .82 .98 1.00(17�C)
1000 470 25.6 7.5 1.29 .81 .97 1.00 24.4 7.2 1.51 .83 .99 1.00 23.4 6.9 1.75 .85 1.00 1.00 22.0 6.4 2.01 .88 1.00 1.00
67�F600 285 24.2 7.1 1.28 .58 .70 .80 23.2 6.8 1.51 .59 .71 .82 22.0 6.4 1.74 .60 .72 .84 20.8 6.1 2.01 .61 .74 .86
67�F(19�C)
800 380 25.8 7.6 1.29 .61 .74 .87 24.8 7.3 1.51 .62 .76 .89 23.4 6.9 1.75 .63 .78 .92 22.0 6.4 2.02 .64 .80 .95(19�C)
1000 470 27.0 7.9 1.30 .64 .79 .94 25.8 7.6 1.51 .65 .81 .96 24.4 7.2 1.75 .66 .83 .99 22.8 6.7 2.02 .68 .86 1.00
71�F600 285 25.2 7.4 1.29 .45 .57 .67 24.2 7.1 1.50 .45 .57 .68 23.0 6.7 1.75 .45 .58 .70 21.8 6.4 2.01 .45 .59 .72
71�F(22�C)
800 380 27.2 8.0 1.29 .46 .60 .72 25.8 7.6 1.51 .47 .61 .73 24.6 7.2 1.75 .47 .62 .75 23.2 6.8 2.02 .48 .63 .78(22�C)
1000 470 28.4 8.3 1.30 .48 .63 .76 27.0 7.9 1.51 .48 .64 .78 25.6 7.5 1.75 .49 .65 .81 24.0 7.0 2.02 .49 .67 .83
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−31A/B−6F] [C33−31A/B]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F460 215 18.9 5.5 .77 .71 .83 .95 18.1 5.3 .92 .72 .85 .97 17.1 5.0 1.10 .74 .87 .99 16.2 4.7 1.31 .76 .90 1.00
63�F(17�C)
560 265 20.0 5.9 .77 .75 .88 1.00 19.1 5.6 .93 .77 .90 1.00 18.1 5.3 1.10 .78 .93 1.00 17.0 5.0 1.30 .80 .96 1.00(17�C)
660 310 20.8 6.1 .77 .78 .93 1.00 19.9 5.8 .93 .80 .96 1.00 18.8 5.5 1.10 .82 .98 1.00 17.7 5.2 1.30 .84 1.00 1.00
67�F460 215 20.2 5.9 .77 .57 .69 .79 19.3 5.7 .93 .58 .70 .81 18.4 5.4 1.10 .58 .71 .83 17.4 5.1 1.30 .60 .73 .86
67�F(19�C)
560 265 21.4 6.3 .78 .59 .72 .84 20.4 6.0 .93 .60 .74 .86 19.4 5.7 1.10 .61 .75 .89 18.2 5.3 1.30 .62 .77 .92(19�C)
660 310 22.2 6.5 .78 .61 .75 .89 21.2 6.2 .93 .62 .77 .92 20.0 5.9 1.10 .63 .79 .94 18.9 5.5 1.30 .64 .81 .97
71�F460 215 21.4 6.3 .78 .44 .55 .66 20.6 6.0 .93 .45 .56 .67 19.5 5.7 1.10 .45 .57 .68 18.5 5.4 1.30 .45 .58 .70
71�F(22�C)
560 265 22.6 6.6 .78 .45 .57 .69 21.6 6.3 .93 .46 .58 .71 20.6 6.0 1.10 .46 .59 .72 19.5 5.7 1.30 .46 .61 .74(22�C)
660 310 23.6 6.9 .78 .46 .60 .73 22.6 6.6 .93 .47 .61 .74 21.4 6.3 1.10 .47 .62 .76 20.2 5.9 1.30 .47 .63 .79
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−31A/B−6F] [C33−31A/B]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F600 285 24.0 7.0 1.28 .72 .84 .95 22.8 6.7 1.50 .73 .85 .98 21.6 6.3 1.74 .74 .88 1.00 20.4 6.0 2.02 .76 .91 1.00
63�F(17�C)
800 380 25.8 7.6 1.29 .77 .91 1.00 24.4 7.2 1.51 .79 .94 1.00 23.0 6.7 1.74 .81 .97 1.00 21.6 6.3 2.02 .83 1.00 1.00(17�C)
1000 470 27.0 7.9 1.29 .82 .98 1.00 25.6 7.5 1.51 .84 1.00 1.00 24.4 7.2 1.75 .87 1.00 1.00 23.0 6.7 2.02 .90 1.00 1.00
67�F600 285 25.6 7.5 1.29 .58 .69 .80 24.2 7.1 1.50 .58 .70 .82 23.0 6.7 1.74 .59 .71 .84 21.6 6.3 2.02 .60 .74 .87
67�F(19�C)
800 380 27.2 8.0 1.30 .61 .75 .88 26.0 7.6 1.51 .62 .76 .90 24.4 7.2 1.75 .63 .78 .93 23.0 6.7 2.02 .64 .81 .97(19�C)
1000 470 28.4 8.3 1.30 .64 .79 .95 27.0 7.9 1.51 .65 .82 .98 25.4 7.4 1.75 .66 .85 1.00 23.8 7.0 2.02 .69 .88 1.00
71�F600 285 27.0 7.9 1.29 .45 .56 .67 25.6 7.5 1.50 .45 .56 .68 24.4 7.2 1.75 .45 .57 .69 23.0 6.7 2.02 .46 .58 .71
71�F(22�C)
800 380 28.8 8.4 1.30 .46 .59 .72 27.4 8.0 1.52 .46 .60 .74 25.8 7.6 1.75 .47 .62 .76 24.4 7.2 2.03 .47 .63 .78(22�C)
1000 470 30.0 8.8 1.31 .47 .62 .77 28.4 8.3 1.52 .48 .64 .80 26.8 7.9 1.76 .48 .65 .81 25.2 7.4 2.03 .48 .68 .85
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 2 TON
UP−FLOW INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 21
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−36A/B/C−6F] [C33−36A/B/C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F460 215 18.6 5.5 .77 .72 .84 .96 17.8 5.2 .92 .73 .86 .98 16.9 5.0 1.10 .75 .88 1.00 15.9 4.7 1.31 .77 .91 1.00
63�F(17�C)
560 265 19.7 5.8 .77 .76 .89 1.00 18.8 5.5 .92 .77 .91 1.00 17.9 5.2 1.10 .79 .94 1.00 16.8 4.9 1.30 .81 .97 1.00(17�C)
660 310 20.6 6.0 .77 .79 .94 1.00 19.7 5.8 .93 .81 .96 1.00 18.7 5.5 1.10 .83 .99 1.00 17.7 5.2 1.30 .85 1.00 1.00
67�F460 215 19.6 5.7 .77 .58 .70 .81 18.8 5.5 .92 .59 .71 .82 17.9 5.2 1.10 .59 .72 .84 16.9 5.0 1.31 .60 .74 .87
67�F(19�C)
560 265 20.8 6.1 .77 .60 .73 .85 19.9 5.8 .93 .61 .74 .87 18.9 5.5 1.10 .62 .76 .90 17.9 5.2 1.30 .63 .78 .93(19�C)
660 310 21.6 6.3 .77 .62 .76 .90 20.8 6.1 .93 .63 .78 .92 19.7 5.8 1.10 .64 .80 .95 18.6 5.5 1.30 .66 .82 .98
71�F460 215 20.4 6.0 .78 .45 .56 .67 19.6 5.7 .93 .45 .57 .68 18.7 5.5 1.10 .45 .58 .69 17.8 5.2 1.30 .46 .59 .71
71�F(22�C)
560 265 21.8 6.4 .78 .46 .58 .70 20.8 6.1 .93 .46 .59 .72 19.9 5.8 1.10 .46 .60 .73 18.8 5.5 1.30 .47 .62 .75(22�C)
660 310 22.8 6.7 .78 .47 .61 .74 21.8 6.4 .93 .47 .62 .75 20.8 6.1 1.10 .47 .63 .77 19.6 5.7 1.30 .48 .64 .80
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−36A/B/C−6F] [C33−36A/B/C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F600 285 23.6 6.9 1.28 .72 .85 .96 22.4 6.6 1.50 .74 .86 .98 21.4 6.3 1.74 .75 .89 1.00 20.0 5.9 2.02 .77 .92 1.00
63�F(17�C)
800 380 25.2 7.4 1.29 .78 .92 1.00 24.0 7.0 1.50 .79 .95 1.00 22.8 6.7 1.74 .81 .97 1.00 21.4 6.3 2.01 .84 1.00 1.00(17�C)
1000 470 26.6 7.8 1.29 .83 .99 1.00 25.2 7.4 1.50 .85 1.00 1.00 24.0 7.0 1.74 .88 1.00 1.00 22.8 6.7 2.02 .91 1.00 1.00
67�F600 285 24.8 7.3 1.29 .58 .70 .81 23.6 6.9 1.50 .59 .71 .83 22.4 6.6 1.74 .60 .73 .85 21.2 6.2 2.02 .61 .75 .88
67�F(19�C)
800 380 26.6 7.8 1.30 .61 .75 .89 25.4 7.4 1.51 .62 .77 .91 24.0 7.0 1.75 .64 .79 .94 22.6 6.6 2.02 .65 .82 .97(19�C)
1000 470 27.8 8.1 1.30 .65 .81 .96 26.4 7.7 1.51 .66 .83 .98 25.0 7.3 1.75 .67 .85 1.00 23.4 6.9 2.02 .69 .88 1.00
71�F600 285 25.8 7.6 1.29 .45 .57 .68 24.6 7.2 1.50 .45 .57 .69 23.4 6.9 1.75 .46 .58 .70 22.0 6.4 2.01 .46 .59 .72
71�F(22�C)
800 380 27.8 8.1 1.30 .46 .60 .73 26.4 7.7 1.51 .47 .61 .75 25.2 7.4 1.75 .47 .62 .77 23.6 6.9 2.02 .48 .64 .79(22�C)
1000 470 29.2 8.6 1.31 .48 .63 .79 27.8 8.1 1.52 .48 .65 .81 26.2 7.7 1.76 .49 .66 .83 24.6 7.2 2.02 .50 .68 .86
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−38B−6F] [C33−38B]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F460 215 19.0 5.6 .77 .72 .84 .95 18.2 5.3 .93 .72 .85 .98 17.3 5.1 1.10 .74 .87 1.00 16.2 4.7 1.31 .76 .90 1.00
63�F(17�C)
560 265 20.0 5.9 .77 .75 .89 1.00 19.2 5.6 .93 .77 .91 1.00 18.2 5.3 1.10 .79 .93 1.00 17.1 5.0 1.30 .81 .96 1.00(17�C)
660 310 21.0 6.2 .77 .79 .94 1.00 20.0 5.9 .93 .80 .96 1.00 19.0 5.6 1.10 .82 .99 1.00 17.9 5.2 1.30 .85 1.00 1.00
67�F460 215 20.4 6.0 .77 .57 .69 .80 19.5 5.7 .92 .58 .70 .81 18.5 5.4 1.10 .59 .71 .83 17.5 5.1 1.30 .60 .73 .86
67�F(19�C)
560 265 21.6 6.3 .78 .60 .72 .85 20.6 6.0 .93 .60 .74 .87 19.5 5.7 1.10 .61 .76 .89 18.4 5.4 1.30 .62 .78 .92(19�C)
660 310 22.4 6.6 .78 .62 .76 .90 21.4 6.3 .93 .62 .78 .92 20.2 5.9 1.10 .63 .79 .95 19.0 5.6 1.30 .64 .82 .98
71�F460 215 21.6 6.3 .78 .45 .55 .66 20.6 6.0 .93 .45 .56 .67 19.7 5.8 1.10 .45 .57 .68 18.6 5.5 1.30 .45 .58 .70
71�F(22�C)
560 265 22.8 6.7 .78 .45 .58 .70 21.8 6.4 .93 .46 .59 .71 20.8 6.1 1.10 .46 .59 .73 19.6 5.7 1.30 .46 .61 .75(22�C)
660 310 23.8 7.0 .79 .46 .60 .73 22.8 6.7 .93 .47 .61 .75 21.6 6.3 1.10 .47 .62 .77 20.4 6.0 1.30 .47 .63 .79
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−38B−6F] [C33−38B]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F600 285 24.2 7.1 1.28 .72 .84 .96 23.0 6.7 1.50 .73 .86 .98 21.8 6.4 1.74 .75 .88 1.00 20.4 6.0 2.02 .77 .91 1.00
63�F(17�C)
800 380 26.0 7.6 1.29 .78 .92 1.00 24.6 7.2 1.51 .79 .95 1.00 23.2 6.8 1.75 .81 .98 1.00 21.8 6.4 2.02 .84 1.00 1.00(17�C)
1000 470 27.2 8.0 1.29 .83 .99 1.00 25.8 7.6 1.51 .85 1.00 1.00 24.6 7.2 1.75 .88 1.00 1.00 23.2 6.8 2.02 .91 1.00 1.00
67�F600 285 25.8 7.6 1.29 .58 .69 .80 24.4 7.2 1.50 .58 .70 .82 23.2 6.8 1.75 .59 .72 .85 21.8 6.4 2.02 .60 .74 .87
67�F(19�C)
800 380 27.6 8.1 1.30 .61 .75 .89 26.2 7.7 1.51 .62 .77 .91 24.6 7.2 1.75 .63 .79 .94 23.0 6.7 2.02 .64 .81 .97(19�C)
1000 470 28.6 8.4 1.30 .64 .81 .96 27.2 8.0 1.52 .65 .82 .99 25.6 7.5 1.75 .67 .86 1.00 24.0 7.0 2.02 .70 .89 1.00
71�F600 285 27.2 8.0 1.29 .45 .56 .67 25.8 7.6 1.50 .45 .56 .68 24.6 7.2 1.75 .45 .57 .69 23.0 6.7 2.02 .45 .59 .71
71�F(22�C)
800 380 29.0 8.5 1.31 .46 .60 .73 27.6 8.1 1.52 .46 .61 .74 26.0 7.6 1.75 .47 .62 .77 24.4 7.2 2.03 .47 .63 .79(22�C)
1000 470 30.2 8.9 1.31 .47 .63 .78 28.8 8.4 1.52 .48 .64 .80 27.2 8.0 1.76 .48 .66 .83 25.4 7.4 2.03 .49 .69 .86
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 2 TON
UP−FLOW INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 22
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−42B−6F] [C33−42B]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F460 215 18.6 5.5 .77 .72 .84 .96 17.8 5.2 .92 .73 .86 .98 16.9 5.0 1.10 .75 .88 1.00 15.9 4.7 1.31 .77 .91 1.00
63�F(17�C)
560 265 19.7 5.8 .77 .76 .89 1.00 18.8 5.5 .92 .77 .91 1.00 17.9 5.2 1.10 .79 .94 1.00 16.8 4.9 1.30 .81 .97 1.00(17�C)
660 310 20.6 6.0 .77 .79 .94 1.00 19.7 5.8 .93 .81 .96 1.00 18.7 5.5 1.10 .83 .99 1.00 17.7 5.2 1.30 .85 1.00 1.00
67�F460 215 19.6 5.7 .77 .58 .70 .81 18.8 5.5 .92 .59 .71 .82 17.9 5.2 1.10 .59 .72 .84 16.9 5.0 1.31 .60 .74 .87
67�F(19�C)
560 265 20.8 6.1 .77 .60 .73 .85 19.9 5.8 .93 .61 .74 .87 18.9 5.5 1.10 .62 .76 .90 17.9 5.2 1.30 .63 .78 .93(19�C)
660 310 21.6 6.3 .77 .62 .76 .90 20.8 6.1 .93 .63 .78 .92 19.7 5.8 1.10 .64 .80 .95 18.6 5.5 1.30 .66 .82 .98
71�F460 215 20.4 6.0 .78 .45 .56 .67 19.6 5.7 .93 .45 .57 .68 18.7 5.5 1.10 .45 .58 .69 17.8 5.2 1.30 .46 .59 .71
71�F(22�C)
560 265 21.8 6.4 .78 .46 .58 .70 20.8 6.1 .93 .46 .59 .72 19.9 5.8 1.10 .46 .60 .73 18.8 5.5 1.30 .47 .62 .75(22�C)
660 310 22.8 6.7 .78 .47 .61 .74 21.8 6.4 .93 .47 .62 .75 20.8 6.1 1.10 .47 .63 .77 19.6 5.7 1.30 .48 .64 .80
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−42B−6F] [C33−42B]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F600 285 23.6 6.9 1.28 .72 .85 .96 22.4 6.6 1.50 .74 .86 .98 21.4 6.3 1.74 .75 .89 1.00 20.0 5.9 2.02 .77 .92 1.00
63�F(17�C)
800 380 25.2 7.4 1.29 .78 .92 1.00 24.0 7.0 1.50 .79 .95 1.00 22.8 6.7 1.74 .81 .97 1.00 21.4 6.3 2.01 .84 1.00 1.00(17�C)
1000 470 26.6 7.8 1.29 .83 .99 1.00 25.2 7.4 1.50 .85 1.00 1.00 24.0 7.0 1.74 .88 1.00 1.00 22.8 6.7 2.02 .91 1.00 1.00
67�F600 285 24.8 7.3 1.29 .58 .70 .81 23.6 6.9 1.50 .59 .71 .83 22.4 6.6 1.74 .60 .73 .85 21.2 6.2 2.02 .61 .75 .88
67�F(19�C)
800 380 26.6 7.8 1.30 .61 .75 .89 25.4 7.4 1.51 .62 .77 .91 24.0 7.0 1.75 .64 .79 .94 22.6 6.6 2.02 .65 .82 .97(19�C)
1000 470 27.8 8.1 1.30 .65 .81 .96 26.4 7.7 1.51 .66 .83 .98 25.0 7.3 1.75 .67 .85 1.00 23.4 6.9 2.02 .69 .88 1.00
71�F600 285 25.8 7.6 1.29 .45 .57 .68 24.6 7.2 1.50 .45 .57 .69 23.4 6.9 1.75 .46 .58 .70 22.0 6.4 2.01 .46 .59 .72
71�F(22�C)
800 380 27.8 8.1 1.30 .46 .60 .73 26.4 7.7 1.51 .47 .61 .75 25.2 7.4 1.75 .47 .62 .77 23.6 6.9 2.02 .48 .64 .79(22�C)
1000 470 29.2 8.6 1.31 .48 .63 .79 27.8 8.1 1.52 .48 .65 .81 26.2 7.7 1.76 .49 .66 .83 24.6 7.2 2.02 .50 .68 .86
FIRST STAGE COOLING CAPACITY − XC21−024 with [C33−44C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F460 215 18.9 5.5 .77 .71 .83 .95 18.0 5.3 .92 .72 .85 .97 17.1 5.0 1.10 .74 .87 .99 16.1 4.7 1.31 .76 .90 1.00
63�F(17�C)
560 265 20.0 5.9 .77 .75 .88 1.00 19.0 5.6 .92 .76 .90 1.00 18.0 5.3 1.10 .78 .93 1.00 17.0 5.0 1.30 .80 .96 1.00(17�C)
660 310 20.8 6.1 .77 .78 .93 1.00 19.8 5.8 .93 .80 .95 1.00 18.8 5.5 1.10 .82 .98 1.00 17.7 5.2 1.30 .84 1.00 1.00
67�F460 215 20.2 5.9 .77 .57 .68 .80 19.3 5.7 .92 .58 .70 .81 18.4 5.4 1.10 .58 .71 .83 17.4 5.1 1.30 .60 .73 .86
67�F(19�C)
560 265 21.4 6.3 .78 .59 .72 .84 20.4 6.0 .93 .60 .73 .86 19.3 5.7 1.10 .61 .75 .89 18.2 5.3 1.30 .62 .77 .92(19�C)
660 310 22.2 6.5 .78 .61 .75 .89 21.2 6.2 .93 .62 .77 .91 20.0 5.9 1.10 .63 .79 .94 18.9 5.5 1.30 .64 .81 .97
71�F460 215 21.4 6.3 .78 .45 .55 .66 20.6 6.0 .93 .44 .56 .67 19.6 5.7 1.10 .45 .57 .68 18.5 5.4 1.30 .45 .58 .70
71�F(22�C)
560 265 22.6 6.6 .78 .45 .57 .69 21.6 6.3 .93 .45 .58 .71 20.6 6.0 1.10 .46 .60 .72 19.5 5.7 1.30 .46 .61 .74(22�C)
660 310 23.6 6.9 .78 .46 .59 .73 22.6 6.6 .93 .47 .61 .74 21.4 6.3 1.10 .47 .62 .76 20.2 5.9 1.30 .47 .63 .78
SECOND STAGE COOLING CAPACITY − XC21−024 with [C33−44C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F600 285 24.0 7.0 1.29 .72 .84 .95 22.8 6.7 1.50 .73 .85 .98 21.6 6.3 1.74 .74 .88 1.00 20.2 5.9 2.02 .76 .90 1.00
63�F(17�C)
800 380 25.6 7.5 1.29 .77 .91 1.00 24.4 7.2 1.51 .79 .94 1.00 23.0 6.7 1.74 .81 .97 1.00 21.6 6.3 2.02 .83 .99 1.00(17�C)
1000 470 26.8 7.9 1.29 .82 .98 1.00 25.6 7.5 1.51 .84 1.00 1.00 24.2 7.1 1.75 .87 1.00 1.00 23.0 6.7 2.02 .90 1.00 1.00
67�F600 285 25.4 7.4 1.29 .58 .69 .80 24.2 7.1 1.51 .58 .70 .82 23.0 6.7 1.74 .59 .72 .84 21.6 6.3 2.02 .60 .74 .87
67�F(19�C)
800 380 27.2 8.0 1.30 .61 .75 .88 26.0 7.6 1.51 .62 .76 .90 24.4 7.2 1.75 .63 .78 .93 23.0 6.7 2.02 .64 .80 .96(19�C)
1000 470 28.4 8.3 1.30 .64 .79 .95 27.0 7.9 1.51 .65 .82 .98 25.4 7.4 1.76 .66 .84 1.00 23.8 7.0 2.02 .68 .87 1.00
71�F600 285 27.0 7.9 1.29 .45 .56 .66 25.6 7.5 1.51 .45 .56 .68 24.4 7.2 1.75 .45 .57 .69 22.8 6.7 2.03 .46 .58 .71
71�F(22�C)
800 380 28.8 8.4 1.31 .46 .59 .72 27.4 8.0 1.52 .46 .60 .74 25.8 7.6 1.75 .47 .61 .76 24.4 7.2 2.03 .47 .63 .78(22�C)
1000 470 30.0 8.8 1.31 .47 .62 .77 28.4 8.3 1.52 .48 .64 .79 26.8 7.9 1.76 .48 .65 .81 25.2 7.4 2.03 .49 .67 .85
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 2 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 23
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−18/24A−6F + G60UHV−36A−070][C33−24A + G60UHV−36A−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F630 295 19.7 5.8 .77 .77 .91 1.00 18.8 5.5 .93 .78 .93 1.00 17.9 5.2 1.10 .80 .96 1.00 16.9 5.0 1.30 .83 .99 1.00
63�F(17�C)
630 295 19.7 5.8 .77 .77 .91 1.00 18.8 5.5 .93 .78 .93 1.00 17.9 5.2 1.10 .80 .96 1.00 16.9 5.0 1.30 .83 .99 1.00(17�C)
745 350 20.6 6.0 .78 .80 .96 1.00 19.6 5.7 .93 .82 .98 1.00 18.7 5.5 1.10 .84 1.00 1.00 17.7 5.2 1.30 .87 1.00 1.00
67�F630 295 20.8 6.1 .77 .61 .74 .87 19.9 5.8 .92 .62 .76 .90 18.9 5.5 1.10 .63 .78 .92 17.9 5.2 1.30 .64 .80 .95
67�F(19�C)
630 295 20.8 6.1 .77 .61 .74 .87 19.9 5.8 .92 .62 .76 .90 18.9 5.5 1.10 .63 .78 .92 17.9 5.2 1.30 .64 .80 .95(19�C)
745 350 21.6 6.3 .78 .63 .78 .92 20.6 6.0 .93 .64 .79 .94 19.6 5.7 1.10 .65 .82 .97 18.5 5.4 1.30 .67 .84 .99
71�F630 295 21.8 6.4 .78 .46 .59 .72 21.0 6.2 .93 .47 .60 .73 20.0 5.9 1.10 .47 .61 .75 18.9 5.5 1.30 .47 .63 .77
71�F(22�C)
630 295 21.8 6.4 .78 .46 .59 .72 21.0 6.2 .93 .47 .60 .73 20.0 5.9 1.10 .47 .61 .75 18.9 5.5 1.30 .47 .63 .77(22�C)
745 350 22.8 6.7 .78 .47 .61 .75 21.8 6.4 .93 .48 .62 .77 20.8 6.1 1.10 .48 .64 .79 19.6 5.7 1.30 .49 .65 .81
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−18/24A−6F + G60UHV−36A−070][C33−24A + G60UHV−36A−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F830 390 24.6 7.2 1.29 .77 .92 1.00 23.6 6.9 1.50 .79 .94 1.00 22.2 6.5 1.74 .81 .97 1.00 21.0 6.2 2.02 .83 .99 1.00
63�F(17�C)
830 390 24.6 7.2 1.29 .77 .92 1.00 23.6 6.9 1.50 .79 .94 1.00 22.2 6.5 1.74 .81 .97 1.00 21.0 6.2 2.02 .83 .99 1.00(17�C)
1040 490 25.8 7.6 1.29 .82 .98 1.00 24.6 7.2 1.50 .84 1.00 1.00 23.4 6.9 1.74 .87 1.00 1.00 22.0 6.4 2.02 .90 1.00 1.00
67�F830 390 26.0 7.6 1.29 .61 .75 .88 24.8 7.3 1.50 .62 .76 .91 23.4 6.9 1.75 .63 .78 .93 22.0 6.4 2.02 .65 .81 .96
67�F(19�C)
830 390 26.0 7.6 1.29 .61 .75 .88 24.8 7.3 1.50 .62 .76 .91 23.4 6.9 1.75 .63 .78 .93 22.0 6.4 2.02 .65 .81 .96(19�C)
1040 490 27.0 7.9 1.30 .64 .80 .95 25.8 7.6 1.51 .65 .82 .97 24.2 7.1 1.75 .67 .84 .99 22.8 6.7 2.01 .68 .87 1.00
71�F830 390 27.2 8.0 1.29 .47 .60 .73 26.0 7.6 1.51 .47 .61 .74 24.6 7.2 1.75 .47 .62 .76 23.2 6.8 2.02 .48 .63 .79
71�F(22�C)
830 390 27.2 8.0 1.29 .47 .60 .73 26.0 7.6 1.51 .47 .61 .74 24.6 7.2 1.75 .47 .62 .76 23.2 6.8 2.02 .48 .63 .79(22�C)
1040 490 28.4 8.3 1.30 .48 .63 .77 27.0 7.9 1.51 .48 .64 .79 25.6 7.5 1.75 .49 .66 .82 24.0 7.0 2.03 .50 .67 .85
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−18/24B−6F + G60UHV−36B−090][C33−24B + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F625 295 19.7 5.8 .77 .77 .91 1.00 18.8 5.5 .93 .78 .93 1.00 17.9 5.2 1.10 .80 .96 1.00 16.9 5.0 1.30 .82 .98 1.00
63�F(17�C)
625 295 19.7 5.8 .77 .77 .91 1.00 18.8 5.5 .93 .78 .93 1.00 17.9 5.2 1.10 .80 .96 1.00 16.9 5.0 1.30 .82 .98 1.00(17�C)
740 350 20.4 6.0 .78 .80 .95 1.00 19.6 5.7 .93 .82 .98 1.00 18.6 5.5 1.10 .84 1.00 1.00 17.6 5.2 1.30 .87 1.00 1.00
67�F625 295 20.8 6.1 .77 .61 .74 .87 19.9 5.8 .92 .61 .76 .89 18.9 5.5 1.10 .63 .77 .92 17.9 5.2 1.30 .64 .80 .95
67�F(19�C)
625 295 20.8 6.1 .77 .61 .74 .87 19.9 5.8 .92 .61 .76 .89 18.9 5.5 1.10 .63 .77 .92 17.9 5.2 1.30 .64 .80 .95(19�C)
740 350 21.6 6.3 .78 .63 .78 .92 20.6 6.0 .93 .64 .79 .94 19.6 5.7 1.10 .65 .81 .97 18.5 5.4 1.30 .67 .84 .99
71�F625 295 21.8 6.4 .78 .46 .59 .72 21.0 6.2 .93 .47 .60 .73 19.9 5.8 1.10 .47 .61 .75 18.8 5.5 1.30 .47 .63 .77
71�F(22�C)
625 295 21.8 6.4 .78 .46 .59 .72 21.0 6.2 .93 .47 .60 .73 19.9 5.8 1.10 .47 .61 .75 18.8 5.5 1.30 .47 .63 .77(22�C)
740 350 22.6 6.6 .78 .47 .61 .75 21.8 6.4 .93 .48 .62 .77 20.6 6.0 1.10 .48 .64 .79 19.5 5.7 1.30 .49 .65 .81
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−18/24B−6F + G60UHV−36B−090][C33−24B + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F825 390 24.6 7.2 1.29 .77 .91 1.00 23.4 6.9 1.50 .79 .94 1.00 22.2 6.5 1.74 .81 .96 1.00 21.0 6.2 2.02 .83 .99 1.00
63�F(17�C)
825 390 24.6 7.2 1.29 .77 .91 1.00 23.4 6.9 1.50 .79 .94 1.00 22.2 6.5 1.74 .81 .96 1.00 21.0 6.2 2.02 .83 .99 1.00(17�C)
1035 490 25.8 7.6 1.29 .82 .97 1.00 24.6 7.2 1.50 .84 .99 1.00 23.4 6.9 1.74 .86 1.00 1.00 22.0 6.4 2.02 .89 1.00 1.00
67�F825 390 26.0 7.6 1.29 .61 .75 .88 24.8 7.3 1.50 .62 .76 .90 23.4 6.9 1.74 .63 .78 .93 22.0 6.4 2.02 .65 .81 .96
67�F(19�C)
825 390 26.0 7.6 1.29 .61 .75 .88 24.8 7.3 1.50 .62 .76 .90 23.4 6.9 1.74 .63 .78 .93 22.0 6.4 2.02 .65 .81 .96(19�C)
1035 490 27.0 7.9 1.30 .64 .80 .95 25.6 7.5 1.51 .65 .82 .97 24.2 7.1 1.75 .67 .84 .99 22.8 6.7 2.01 .68 .87 1.00
71�F825 390 27.2 8.0 1.30 .46 .60 .72 25.8 7.6 1.51 .47 .61 .74 24.6 7.2 1.75 .47 .62 .76 23.0 6.7 2.02 .48 .63 .78
71�F(22�C)
825 390 27.2 8.0 1.30 .46 .60 .72 25.8 7.6 1.51 .47 .61 .74 24.6 7.2 1.75 .47 .62 .76 23.0 6.7 2.02 .48 .63 .78(22�C)
1035 490 28.4 8.3 1.30 .48 .63 .77 27.0 7.9 1.51 .48 .64 .79 25.6 7.5 1.75 .49 .65 .82 24.0 7.0 2.03 .50 .67 .85
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 2 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 24
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−18/24B−6F + G61MPV−36B−045][C33−24B + G61MPV−36B−045]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F610 290 19.5 5.7 .77 .76 .90 1.00 18.7 5.5 .93 .78 .92 1.00 17.8 5.2 1.10 .80 .95 1.00 16.8 4.9 1.30 .82 .98 1.00
63�F(17�C)
610 290 19.5 5.7 .77 .76 .90 1.00 18.7 5.5 .93 .78 .92 1.00 17.8 5.2 1.10 .80 .95 1.00 16.8 4.9 1.30 .82 .98 1.00(17�C)
725 340 20.4 6.0 .77 .80 .95 1.00 19.5 5.7 .93 .81 .97 1.00 18.5 5.4 1.10 .83 .99 1.00 17.5 5.1 1.30 .86 1.00 1.00
67�F610 290 20.6 6.0 .77 .61 .74 .87 19.8 5.8 .93 .61 .75 .89 18.8 5.5 1.10 .62 .77 .91 17.8 5.2 1.30 .64 .79 .94
67�F(19�C)
610 290 20.6 6.0 .77 .61 .74 .87 19.8 5.8 .93 .61 .75 .89 18.8 5.5 1.10 .62 .77 .91 17.8 5.2 1.30 .64 .79 .94(19�C)
725 340 21.4 6.3 .78 .62 .77 .91 20.6 6.0 .93 .63 .79 .94 19.5 5.7 1.10 .65 .81 .96 18.4 5.4 1.30 .66 .83 .99
71�F610 290 21.6 6.3 .78 .46 .59 .71 20.8 6.1 .93 .46 .60 .73 19.8 5.8 1.10 .47 .61 .74 18.7 5.5 1.30 .47 .62 .76
71�F(22�C)
610 290 21.6 6.3 .78 .46 .59 .71 20.8 6.1 .93 .46 .60 .73 19.8 5.8 1.10 .47 .61 .74 18.7 5.5 1.30 .47 .62 .76(22�C)
725 340 22.6 6.6 .78 .47 .61 .75 21.6 6.3 .93 .47 .62 .76 20.6 6.0 1.10 .48 .63 .78 19.5 5.7 1.30 .48 .65 .81
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−18/24B−6F + G61MPV−36B−045][C33−24B + G61MPV−36B−045]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F840 395 24.8 7.3 1.29 .78 .92 1.00 23.6 6.9 1.50 .79 .94 1.00 22.4 6.6 1.74 .81 .97 1.00 21.0 6.2 2.02 .84 .99 1.00
63�F(17�C)
840 395 24.8 7.3 1.29 .78 .92 1.00 23.6 6.9 1.50 .79 .94 1.00 22.4 6.6 1.74 .81 .97 1.00 21.0 6.2 2.02 .84 .99 1.00(17�C)
1050 495 25.8 7.6 1.29 .82 .98 1.00 24.6 7.2 1.51 .84 1.00 1.00 23.4 6.9 1.74 .87 1.00 1.00 22.0 6.4 2.02 .90 1.00 1.00
67�F840 395 26.0 7.6 1.29 .61 .75 .89 24.8 7.3 1.50 .62 .77 .91 23.4 6.9 1.75 .63 .79 .94 22.0 6.4 2.02 .65 .81 .97
67�F(19�C)
840 395 26.0 7.6 1.29 .61 .75 .89 24.8 7.3 1.50 .62 .77 .91 23.4 6.9 1.75 .63 .79 .94 22.0 6.4 2.02 .65 .81 .97(19�C)
1050 495 27.0 7.9 1.30 .64 .80 .95 25.8 7.6 1.51 .65 .82 .97 24.4 7.2 1.75 .67 .85 1.00 22.8 6.7 2.01 .69 .88 1.00
71�F840 395 27.2 8.0 1.29 .47 .60 .73 26.0 7.6 1.51 .47 .61 .74 24.6 7.2 1.75 .47 .62 .77 23.2 6.8 2.02 .48 .64 .79
71�F(22�C)
840 395 27.2 8.0 1.29 .47 .60 .73 26.0 7.6 1.51 .47 .61 .74 24.6 7.2 1.75 .47 .62 .77 23.2 6.8 2.02 .48 .64 .79(22�C)
1050 495 28.4 8.3 1.30 .48 .63 .78 27.0 7.9 1.51 .48 .64 .80 25.6 7.5 1.75 .49 .66 .82 24.0 7.0 2.03 .50 .68 .85
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−25A−6F + G60UHV−36A−070][C33−25A + G60UHV−36A−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F630 295 20.4 6.0 .77 .77 .92 1.00 19.4 5.7 .93 .79 .94 1.00 18.4 5.4 1.10 .81 .97 1.00 17.3 5.1 1.30 .83 1.00 1.00
63�F(17�C)
630 295 20.4 6.0 .77 .77 .92 1.00 19.4 5.7 .93 .79 .94 1.00 18.4 5.4 1.10 .81 .97 1.00 17.3 5.1 1.30 .83 1.00 1.00(17�C)
745 350 21.2 6.2 .77 .81 .97 1.00 20.2 5.9 .93 .83 .99 1.00 19.2 5.6 1.10 .85 1.00 1.00 18.2 5.3 1.30 .88 1.00 1.00
67�F630 295 21.8 6.4 .78 .61 .75 .88 20.8 6.1 .93 .62 .76 .90 19.7 5.8 1.10 .63 .78 .93 18.5 5.4 1.30 .64 .80 .96
67�F(19�C)
630 295 21.8 6.4 .78 .61 .75 .88 20.8 6.1 .93 .62 .76 .90 19.7 5.8 1.10 .63 .78 .93 18.5 5.4 1.30 .64 .80 .96(19�C)
745 350 22.4 6.6 .78 .63 .78 .93 21.4 6.3 .93 .64 .80 .96 20.4 6.0 1.10 .65 .82 .98 19.2 5.6 1.30 .67 .85 1.00
71�F630 295 23.0 6.7 .78 .46 .59 .72 22.0 6.4 .93 .46 .60 .74 21.0 6.2 1.10 .47 .61 .75 19.8 5.8 1.30 .47 .63 .78
71�F(22�C)
630 295 23.0 6.7 .78 .46 .59 .72 22.0 6.4 .93 .46 .60 .74 21.0 6.2 1.10 .47 .61 .75 19.8 5.8 1.30 .47 .63 .78(22�C)
745 350 24.0 7.0 .79 .47 .62 .76 22.8 6.7 .93 .47 .63 .78 21.6 6.3 1.10 .48 .64 .80 20.4 6.0 1.30 .48 .65 .82
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−25A−6F + G60UHV−36A−070][C33−25A + G60UHV−36A−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F830 390 25.6 7.5 1.29 .78 .93 1.00 24.2 7.1 1.50 .80 .95 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.01 .84 1.00 1.00
63�F(17�C)
830 390 25.6 7.5 1.29 .78 .93 1.00 24.2 7.1 1.50 .80 .95 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.01 .84 1.00 1.00(17�C)
1040 490 26.6 7.8 1.29 .84 1.00 1.00 25.4 7.4 1.51 .85 1.00 1.00 24.2 7.1 1.75 .88 1.00 1.00 22.8 6.7 2.03 .92 1.00 1.00
67�F830 390 27.0 7.9 1.29 .61 .76 .89 25.8 7.6 1.51 .62 .77 .92 24.4 7.2 1.75 .64 .80 .95 22.8 6.7 2.02 .65 .82 .98
67�F(19�C)
830 390 27.0 7.9 1.29 .61 .76 .89 25.8 7.6 1.51 .62 .77 .92 24.4 7.2 1.75 .64 .80 .95 22.8 6.7 2.02 .65 .82 .98(19�C)
1040 490 28.2 8.3 1.30 .65 .81 .97 26.8 7.9 1.52 .65 .83 .99 25.2 7.4 1.75 .67 .86 1.00 23.6 6.9 2.02 .70 .89 1.00
71�F830 390 28.6 8.4 1.30 .46 .60 .73 27.2 8.0 1.51 .47 .61 .75 25.8 7.6 1.75 .47 .62 .77 24.2 7.1 2.02 .48 .64 .80
71�F(22�C)
830 390 28.6 8.4 1.30 .46 .60 .73 27.2 8.0 1.51 .47 .61 .75 25.8 7.6 1.75 .47 .62 .77 24.2 7.1 2.02 .48 .64 .80(22�C)
1040 490 29.8 8.7 1.31 .48 .64 .79 28.2 8.3 1.52 .48 .65 .81 26.6 7.8 1.76 .49 .67 .84 25.0 7.3 2.03 .50 .68 .87
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 2 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 25
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−25B−6F + G60UHV−36B−090][C33−25B + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F625 295 20.4 6.0 .77 .77 .91 1.00 19.4 5.7 .92 .79 .94 1.00 18.4 5.4 1.10 .81 .96 1.00 17.3 5.1 1.31 .83 .99 1.00
63�F(17�C)
625 295 20.4 6.0 .77 .77 .91 1.00 19.4 5.7 .92 .79 .94 1.00 18.4 5.4 1.10 .81 .96 1.00 17.3 5.1 1.31 .83 .99 1.00(17�C)
740 350 21.2 6.2 .77 .81 .97 1.00 20.2 5.9 .93 .83 .99 1.00 19.2 5.6 1.10 .84 1.00 1.00 18.2 5.3 1.30 .88 1.00 1.00
67�F625 295 21.6 6.3 .78 .61 .74 .88 20.8 6.1 .93 .61 .76 .90 19.7 5.8 1.10 .63 .78 .93 18.5 5.4 1.30 .64 .80 .96
67�F(19�C)
625 295 21.6 6.3 .78 .61 .74 .88 20.8 6.1 .93 .61 .76 .90 19.7 5.8 1.10 .63 .78 .93 18.5 5.4 1.30 .64 .80 .96(19�C)
740 350 22.4 6.6 .78 .63 .78 .93 21.4 6.3 .93 .64 .80 .95 20.4 6.0 1.10 .65 .82 .98 19.1 5.6 1.30 .67 .84 1.00
71�F625 295 23.0 6.7 .78 .46 .59 .72 22.0 6.4 .93 .46 .60 .73 21.0 6.2 1.10 .47 .61 .75 19.8 5.8 1.30 .47 .62 .77
71�F(22�C)
625 295 23.0 6.7 .78 .46 .59 .72 22.0 6.4 .93 .46 .60 .73 21.0 6.2 1.10 .47 .61 .75 19.8 5.8 1.30 .47 .62 .77(22�C)
740 350 24.0 7.0 .79 .47 .62 .76 22.8 6.7 .93 .47 .63 .77 21.6 6.3 1.10 .48 .64 .80 20.4 6.0 1.30 .48 .65 .82
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−25B−6F + G60UHV−36B−090][C33−25B + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F825 390 25.6 7.5 1.29 .78 .93 1.00 24.2 7.1 1.50 .80 .95 1.00 23.0 6.7 1.74 .82 .98 1.00 21.4 6.3 2.01 .84 1.00 1.00
63�F(17�C)
825 390 25.6 7.5 1.29 .78 .93 1.00 24.2 7.1 1.50 .80 .95 1.00 23.0 6.7 1.74 .82 .98 1.00 21.4 6.3 2.01 .84 1.00 1.00(17�C)
1035 490 26.6 7.8 1.29 .83 1.00 1.00 25.4 7.4 1.51 .85 1.00 1.00 24.2 7.1 1.75 .88 1.00 1.00 22.8 6.7 2.03 .92 1.00 1.00
67�F825 390 27.0 7.9 1.29 .61 .76 .89 25.8 7.6 1.51 .62 .77 .92 24.2 7.1 1.75 .63 .79 .95 22.8 6.7 2.02 .65 .82 .98
67�F(19�C)
825 390 27.0 7.9 1.29 .61 .76 .89 25.8 7.6 1.51 .62 .77 .92 24.2 7.1 1.75 .63 .79 .95 22.8 6.7 2.02 .65 .82 .98(19�C)
1035 490 28.2 8.3 1.30 .65 .81 .97 26.8 7.9 1.52 .65 .83 .99 25.2 7.4 1.75 .67 .86 1.00 23.6 6.9 2.02 .69 .89 1.00
71�F825 390 28.6 8.4 1.30 .46 .60 .73 27.2 8.0 1.51 .47 .61 .75 25.8 7.6 1.75 .47 .62 .77 24.2 7.1 2.02 .48 .64 .79
71�F(22�C)
825 390 28.6 8.4 1.30 .46 .60 .73 27.2 8.0 1.51 .47 .61 .75 25.8 7.6 1.75 .47 .62 .77 24.2 7.1 2.02 .48 .64 .79(22�C)
1035 490 29.6 8.7 1.31 .48 .63 .79 28.2 8.3 1.52 .48 .65 .81 26.6 7.8 1.76 .48 .66 .83 25.0 7.3 2.03 .49 .68 .87
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−25B−6F + G61MPV−36B−045][C33−25B + G61MPV−36B−045]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F610 290 20.2 5.9 .77 .77 .91 1.00 19.3 5.7 .92 .78 .93 1.00 18.3 5.4 1.10 .80 .96 1.00 17.2 5.0 1.30 .82 .99 1.00
63�F(17�C)
610 290 20.2 5.9 .77 .77 .91 1.00 19.3 5.7 .92 .78 .93 1.00 18.3 5.4 1.10 .80 .96 1.00 17.2 5.0 1.30 .82 .99 1.00(17�C)
725 340 21.0 6.2 .77 .81 .96 1.00 20.0 5.9 .93 .82 .99 1.00 19.0 5.6 1.10 .85 1.00 1.00 18.1 5.3 1.30 .87 1.00 1.00
67�F610 290 21.6 6.3 .78 .61 .74 .87 20.6 6.0 .93 .61 .75 .89 19.5 5.7 1.10 .62 .77 .92 18.4 5.4 1.30 .64 .80 .95
67�F(19�C)
610 290 21.6 6.3 .78 .61 .74 .87 20.6 6.0 .93 .61 .75 .89 19.5 5.7 1.10 .62 .77 .92 18.4 5.4 1.30 .64 .80 .95(19�C)
725 340 22.4 6.6 .78 .63 .78 .92 21.4 6.3 .93 .64 .79 .95 20.2 5.9 1.10 .64 .82 .97 19.0 5.6 1.30 .66 .84 1.00
71�F610 290 22.8 6.7 .78 .46 .59 .71 22.0 6.4 .93 .46 .60 .73 20.8 6.1 1.10 .46 .61 .74 19.7 5.8 1.30 .47 .62 .77
71�F(22�C)
610 290 22.8 6.7 .78 .46 .59 .71 22.0 6.4 .93 .46 .60 .73 20.8 6.1 1.10 .46 .61 .74 19.7 5.8 1.30 .47 .62 .77(22�C)
725 340 23.8 7.0 .79 .47 .61 .75 22.8 6.7 .93 .47 .62 .77 21.6 6.3 1.10 .48 .63 .79 20.4 6.0 1.30 .48 .65 .82
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−25B−6F + G61MPV−36B−045][C33−25B + G61MPV−36B−045]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F840 395 25.6 7.5 1.29 .78 .93 1.00 24.4 7.2 1.51 .80 .96 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.01 .85 1.00 1.00
63�F(17�C)
840 395 25.6 7.5 1.29 .78 .93 1.00 24.4 7.2 1.51 .80 .96 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.01 .85 1.00 1.00(17�C)
1050 495 26.8 7.9 1.29 .84 1.00 1.00 25.6 7.5 1.51 .86 1.00 1.00 24.2 7.1 1.75 .89 1.00 1.00 23.0 6.7 2.02 .92 1.00 1.00
67�F840 395 27.2 8.0 1.29 .62 .76 .90 25.8 7.6 1.51 .63 .78 .92 24.4 7.2 1.75 .64 .80 .95 22.8 6.7 2.03 .65 .83 .99
67�F(19�C)
840 395 27.2 8.0 1.29 .62 .76 .90 25.8 7.6 1.51 .63 .78 .92 24.4 7.2 1.75 .64 .80 .95 22.8 6.7 2.03 .65 .83 .99(19�C)
1050 495 28.2 8.3 1.30 .65 .82 .97 26.8 7.9 1.51 .66 .84 1.00 25.2 7.4 1.75 .67 .86 1.00 23.6 6.9 2.02 .70 .90 1.00
71�F840 395 28.6 8.4 1.30 .46 .60 .73 27.2 8.0 1.52 .47 .61 .75 25.8 7.6 1.75 .47 .63 .77 24.2 7.1 2.02 .48 .64 .80
71�F(22�C)
840 395 28.6 8.4 1.30 .46 .60 .73 27.2 8.0 1.52 .47 .61 .75 25.8 7.6 1.75 .47 .63 .77 24.2 7.1 2.02 .48 .64 .80(22�C)
1050 495 29.8 8.7 1.31 .48 .64 .79 28.2 8.3 1.52 .48 .65 .81 26.8 7.9 1.76 .49 .67 .84 25.0 7.3 2.03 .50 .69 .87
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 2 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 26
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−25B−6F + G61MPV−36B−070][C33−25B + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F625 295 20.4 6.0 .77 .77 .91 1.00 19.4 5.7 .92 .79 .94 1.00 18.4 5.4 1.10 .81 .96 1.00 17.3 5.1 1.31 .83 .99 1.00
63�F(17�C)
625 295 20.4 6.0 .77 .77 .91 1.00 19.4 5.7 .92 .79 .94 1.00 18.4 5.4 1.10 .81 .96 1.00 17.3 5.1 1.31 .83 .99 1.00(17�C)
725 340 21.0 6.2 .77 .81 .96 1.00 20.0 5.9 .93 .82 .99 1.00 19.1 5.6 1.10 .85 1.00 1.00 18.1 5.3 1.30 .87 1.00 1.00
67�F625 295 21.6 6.3 .78 .61 .74 .88 20.8 6.1 .93 .61 .76 .90 19.7 5.8 1.10 .63 .78 .93 18.5 5.4 1.30 .64 .80 .96
67�F(19�C)
625 295 21.6 6.3 .78 .61 .74 .88 20.8 6.1 .93 .61 .76 .90 19.7 5.8 1.10 .63 .78 .93 18.5 5.4 1.30 .64 .80 .96(19�C)
725 340 22.4 6.6 .78 .63 .78 .92 21.4 6.3 .93 .64 .80 .95 20.2 5.9 1.10 .65 .82 .97 19.0 5.6 1.30 .66 .84 1.00
71�F625 295 23.0 6.7 .78 .46 .59 .72 22.0 6.4 .93 .46 .60 .73 21.0 6.2 1.10 .47 .61 .75 19.8 5.8 1.30 .47 .62 .77
71�F(22�C)
625 295 23.0 6.7 .78 .46 .59 .72 22.0 6.4 .93 .46 .60 .73 21.0 6.2 1.10 .47 .61 .75 19.8 5.8 1.30 .47 .62 .77(22�C)
725 340 23.8 7.0 .79 .47 .61 .75 22.8 6.7 .93 .47 .62 .76 21.6 6.3 1.10 .48 .64 .79 20.4 6.0 1.30 .48 .65 .82
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−25B−6F + G61MPV−36B−070][C33−25B + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F830 390 25.6 7.5 1.29 .78 .93 1.00 24.2 7.1 1.50 .80 .95 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.01 .84 1.00 1.00
63�F(17�C)
830 390 25.6 7.5 1.29 .78 .93 1.00 24.2 7.1 1.50 .80 .95 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.01 .84 1.00 1.00(17�C)
1020 480 26.6 7.8 1.29 .83 .99 1.00 25.4 7.4 1.50 .85 1.00 1.00 24.0 7.0 1.74 .87 1.00 1.00 22.8 6.7 2.03 .91 1.00 1.00
67�F830 390 27.0 7.9 1.29 .61 .76 .89 25.8 7.6 1.51 .62 .77 .92 24.4 7.2 1.75 .64 .80 .95 22.8 6.7 2.02 .65 .82 .98
67�F(19�C)
830 390 27.0 7.9 1.29 .61 .76 .89 25.8 7.6 1.51 .62 .77 .92 24.4 7.2 1.75 .64 .80 .95 22.8 6.7 2.02 .65 .82 .98(19�C)
1020 480 28.0 8.2 1.30 .64 .81 .96 26.6 7.8 1.51 .65 .83 .99 25.2 7.4 1.75 .67 .85 1.00 23.6 6.9 2.03 .69 .89 1.00
71�F830 390 28.6 8.4 1.30 .46 .60 .73 27.2 8.0 1.51 .47 .61 .75 25.8 7.6 1.75 .47 .62 .77 24.2 7.1 2.02 .48 .64 .80
71�F(22�C)
830 390 28.6 8.4 1.30 .46 .60 .73 27.2 8.0 1.51 .47 .61 .75 25.8 7.6 1.75 .47 .62 .77 24.2 7.1 2.02 .48 .64 .80(22�C)
1020 480 29.6 8.7 1.31 .48 .63 .78 28.2 8.3 1.52 .48 .64 .80 26.6 7.8 1.76 .49 .66 .83 25.0 7.3 2.02 .49 .68 .86
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−30A−6F + G60UHV−36A−070][C33−30A + G60UHV−36A−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F630 295 19.5 5.7 .77 .77 .90 1.00 18.7 5.5 .92 .78 .93 1.00 17.8 5.2 1.10 .80 .95 1.00 16.8 4.9 1.30 .82 .98 1.00
63�F(17�C)
630 295 19.5 5.7 .77 .77 .90 1.00 18.7 5.5 .92 .78 .93 1.00 17.8 5.2 1.10 .80 .95 1.00 16.8 4.9 1.30 .82 .98 1.00(17�C)
745 350 20.2 5.9 .77 .80 .95 1.00 19.4 5.7 .93 .82 .97 1.00 18.6 5.5 1.10 .84 .99 1.00 17.7 5.2 1.30 .87 1.00 1.00
67�F630 295 20.8 6.1 .77 .61 .74 .87 19.9 5.8 .93 .62 .76 .89 19.0 5.6 1.10 .63 .77 .91 18.0 5.3 1.30 .64 .80 .94
67�F(19�C)
630 295 20.8 6.1 .77 .61 .74 .87 19.9 5.8 .93 .62 .76 .89 19.0 5.6 1.10 .63 .77 .91 18.0 5.3 1.30 .64 .80 .94(19�C)
745 350 21.6 6.3 .78 .63 .77 .91 20.6 6.0 .93 .64 .79 .94 19.6 5.7 1.10 .65 .81 .97 18.5 5.4 1.30 .67 .84 .99
71�F630 295 21.8 6.4 .78 .47 .60 .72 21.0 6.2 .93 .47 .60 .73 20.0 5.9 1.10 .47 .62 .75 18.9 5.5 1.30 .48 .63 .77
71�F(22�C)
630 295 21.8 6.4 .78 .47 .60 .72 21.0 6.2 .93 .47 .60 .73 20.0 5.9 1.10 .47 .62 .75 18.9 5.5 1.30 .48 .63 .77(22�C)
745 350 22.8 6.7 .78 .47 .62 .75 21.8 6.4 .93 .48 .63 .76 20.8 6.1 1.10 .48 .64 .79 19.6 5.7 1.30 .49 .65 .81
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−30A−6F + G60UHV−36A−070][C33−30A + G60UHV−36A−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F830 390 24.8 7.3 1.29 .77 .91 1.00 23.6 6.9 1.50 .79 .94 1.00 22.2 6.5 1.74 .81 .97 1.00 21.0 6.2 2.01 .83 .99 1.00
63�F(17�C)
830 390 24.8 7.3 1.29 .77 .91 1.00 23.6 6.9 1.50 .79 .94 1.00 22.2 6.5 1.74 .81 .97 1.00 21.0 6.2 2.01 .83 .99 1.00(17�C)
1040 490 25.8 7.6 1.29 .82 .98 1.00 24.6 7.2 1.50 .84 .99 1.00 23.6 6.9 1.74 .86 1.00 1.00 22.2 6.5 2.02 .90 1.00 1.00
67�F830 390 26.0 7.6 1.29 .62 .75 .88 24.8 7.3 1.51 .62 .77 .90 23.6 6.9 1.75 .64 .78 .93 22.2 6.5 2.02 .65 .81 .97
67�F(19�C)
830 390 26.0 7.6 1.29 .62 .75 .88 24.8 7.3 1.51 .62 .77 .90 23.6 6.9 1.75 .64 .78 .93 22.2 6.5 2.02 .65 .81 .97(19�C)
1040 490 27.2 8.0 1.30 .64 .79 .95 25.8 7.6 1.51 .65 .81 .98 24.4 7.2 1.74 .67 .84 .99 23.0 6.7 2.01 .69 .87 1.00
71�F830 390 27.4 8.0 1.29 .46 .60 .73 26.2 7.7 1.51 .47 .61 .74 24.8 7.3 1.75 .48 .62 .76 23.4 6.9 2.03 .48 .64 .78
71�F(22�C)
830 390 27.4 8.0 1.29 .46 .60 .73 26.2 7.7 1.51 .47 .61 .74 24.8 7.3 1.75 .48 .62 .76 23.4 6.9 2.03 .48 .64 .78(22�C)
1040 490 28.6 8.4 1.30 .48 .63 .77 27.2 8.0 1.52 .49 .64 .79 25.8 7.6 1.75 .49 .66 .82 24.2 7.1 2.02 .50 .68 .85
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 2 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 27
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−30B−6F + G60UHV−36B−090][C33−30B + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F625 295 19.5 5.7 .77 .76 .90 1.00 18.7 5.5 .92 .78 .92 1.00 17.8 5.2 1.10 .80 .95 1.00 16.8 4.9 1.30 .82 .98 1.00
63�F(17�C)
625 295 19.5 5.7 .77 .76 .90 1.00 18.7 5.5 .92 .78 .92 1.00 17.8 5.2 1.10 .80 .95 1.00 16.8 4.9 1.30 .82 .98 1.00(17�C)
740 350 20.2 5.9 .77 .80 .95 1.00 19.4 5.7 .93 .81 .97 1.00 18.6 5.5 1.10 .84 .99 1.00 17.7 5.2 1.30 .86 1.00 1.00
67�F625 295 20.8 6.1 .77 .61 .74 .86 19.9 5.8 .93 .62 .75 .89 18.9 5.5 1.10 .63 .77 .91 17.9 5.2 1.30 .64 .79 .94
67�F(19�C)
625 295 20.8 6.1 .77 .61 .74 .86 19.9 5.8 .93 .62 .75 .89 18.9 5.5 1.10 .63 .77 .91 17.9 5.2 1.30 .64 .79 .94(19�C)
740 350 21.6 6.3 .78 .63 .77 .91 20.6 6.0 .93 .64 .79 .94 19.6 5.7 1.10 .65 .81 .96 18.5 5.4 1.30 .67 .83 .99
71�F625 295 21.8 6.4 .78 .46 .60 .72 21.0 6.2 .93 .46 .60 .73 20.0 5.9 1.10 .47 .61 .75 18.9 5.5 1.30 .48 .63 .77
71�F(22�C)
625 295 21.8 6.4 .78 .46 .60 .72 21.0 6.2 .93 .46 .60 .73 20.0 5.9 1.10 .47 .61 .75 18.9 5.5 1.30 .48 .63 .77(22�C)
740 350 22.8 6.7 .78 .47 .61 .75 21.8 6.4 .93 .48 .63 .76 20.8 6.1 1.10 .48 .64 .78 19.6 5.7 1.30 .49 .65 .81
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−30B−6F + G60UHV−36B−090][C33−30B + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F825 390 24.6 7.2 1.29 .77 .91 1.00 23.6 6.9 1.50 .79 .93 1.00 22.2 6.5 1.74 .81 .96 1.00 21.0 6.2 2.01 .83 .99 1.00
63�F(17�C)
825 390 24.6 7.2 1.29 .77 .91 1.00 23.6 6.9 1.50 .79 .93 1.00 22.2 6.5 1.74 .81 .96 1.00 21.0 6.2 2.01 .83 .99 1.00(17�C)
1035 490 25.8 7.6 1.29 .82 .98 1.00 24.6 7.2 1.50 .84 .99 1.00 23.6 6.9 1.74 .86 1.00 1.00 22.2 6.5 2.02 .89 1.00 1.00
67�F825 390 26.0 7.6 1.29 .61 .75 .88 24.8 7.3 1.51 .62 .76 .90 23.6 6.9 1.75 .63 .78 .93 22.2 6.5 2.02 .65 .81 .96
67�F(19�C)
825 390 26.0 7.6 1.29 .61 .75 .88 24.8 7.3 1.51 .62 .76 .90 23.6 6.9 1.75 .63 .78 .93 22.2 6.5 2.02 .65 .81 .96(19�C)
1035 490 27.2 8.0 1.30 .64 .79 .95 25.8 7.6 1.51 .65 .81 .97 24.4 7.2 1.74 .67 .84 .99 23.0 6.7 2.02 .69 .87 1.00
71�F825 390 27.2 8.0 1.29 .47 .60 .72 26.0 7.6 1.51 .47 .61 .74 24.8 7.3 1.75 .48 .62 .76 23.2 6.8 2.02 .48 .64 .78
71�F(22�C)
825 390 27.2 8.0 1.29 .47 .60 .72 26.0 7.6 1.51 .47 .61 .74 24.8 7.3 1.75 .48 .62 .76 23.2 6.8 2.02 .48 .64 .78(22�C)
1035 490 28.6 8.4 1.30 .48 .63 .77 27.2 8.0 1.52 .49 .64 .79 25.8 7.6 1.75 .49 .66 .82 24.2 7.1 2.02 .50 .68 .85
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−30B−6F + G61MPV−36B−045][C33−30B + G61MPV−36B−045]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F610 290 19.4 5.7 .77 .76 .89 1.00 18.6 5.5 .93 .78 .92 1.00 17.7 5.2 1.10 .79 .94 1.00 16.7 4.9 1.30 .82 .98 1.00
63�F(17�C)
610 290 19.4 5.7 .77 .76 .89 1.00 18.6 5.5 .93 .78 .92 1.00 17.7 5.2 1.10 .79 .94 1.00 16.7 4.9 1.30 .82 .98 1.00(17�C)
725 340 20.2 5.9 .77 .79 .94 1.00 19.3 5.7 .93 .81 .97 1.00 18.4 5.4 1.10 .83 .99 1.00 17.6 5.2 1.30 .86 1.00 1.00
67�F610 290 20.6 6.0 .77 .61 .74 .86 19.8 5.8 .93 .61 .75 .88 18.8 5.5 1.10 .63 .77 .90 17.8 5.2 1.30 .64 .79 .93
67�F(19�C)
610 290 20.6 6.0 .77 .61 .74 .86 19.8 5.8 .93 .61 .75 .88 18.8 5.5 1.10 .63 .77 .90 17.8 5.2 1.30 .64 .79 .93(19�C)
725 340 21.4 6.3 .78 .63 .77 .91 20.6 6.0 .93 .64 .78 .93 19.5 5.7 1.10 .65 .80 .96 18.5 5.4 1.30 .66 .83 .98
71�F610 290 21.6 6.3 .78 .46 .59 .71 20.8 6.1 .93 .47 .60 .72 19.9 5.8 1.10 .47 .61 .74 18.8 5.5 1.30 .47 .62 .76
71�F(22�C)
610 290 21.6 6.3 .78 .46 .59 .71 20.8 6.1 .93 .47 .60 .72 19.9 5.8 1.10 .47 .61 .74 18.8 5.5 1.30 .47 .62 .76(22�C)
725 340 22.6 6.6 .78 .47 .61 .74 21.6 6.3 .93 .48 .62 .76 20.6 6.0 1.10 .48 .63 .78 19.5 5.7 1.30 .49 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−30B−6F + G61MPV−36B−045][C33−30B + G61MPV−36B−045]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F840 395 24.8 7.3 1.29 .77 .91 1.00 23.6 6.9 1.50 .79 .94 1.00 22.4 6.6 1.74 .81 .97 1.00 21.0 6.2 2.01 .84 .99 1.00
63�F(17�C)
840 395 24.8 7.3 1.29 .77 .91 1.00 23.6 6.9 1.50 .79 .94 1.00 22.4 6.6 1.74 .81 .97 1.00 21.0 6.2 2.01 .84 .99 1.00(17�C)
1050 495 25.8 7.6 1.29 .82 .98 1.00 24.8 7.3 1.50 .84 1.00 1.00 23.6 6.9 1.74 .87 1.00 1.00 22.4 6.6 2.02 .90 1.00 1.00
67�F840 395 26.2 7.7 1.29 .62 .75 .88 25.0 7.3 1.51 .63 .77 .91 23.6 6.9 1.75 .64 .79 .93 22.2 6.5 2.02 .65 .81 .97
67�F(19�C)
840 395 26.2 7.7 1.29 .62 .75 .88 25.0 7.3 1.51 .63 .77 .91 23.6 6.9 1.75 .64 .79 .93 22.2 6.5 2.02 .65 .81 .97(19�C)
1050 495 27.2 8.0 1.30 .64 .80 .95 26.0 7.6 1.51 .65 .82 .98 24.6 7.2 1.74 .67 .85 1.00 23.0 6.7 2.01 .69 .88 1.00
71�F840 395 27.4 8.0 1.29 .46 .60 .73 26.2 7.7 1.51 .47 .61 .74 24.8 7.3 1.75 .48 .63 .76 23.4 6.9 2.03 .48 .64 .79
71�F(22�C)
840 395 27.4 8.0 1.29 .46 .60 .73 26.2 7.7 1.51 .47 .61 .74 24.8 7.3 1.75 .48 .63 .76 23.4 6.9 2.03 .48 .64 .79(22�C)
1050 495 28.6 8.4 1.30 .48 .63 .78 27.2 8.0 1.52 .49 .64 .80 25.8 7.6 1.75 .49 .66 .82 24.2 7.1 2.02 .50 .68 .85
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 2 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 28
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−31A−6F + G60UHV−36A−070][C33−31A + G60UHV−36A−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F630 295 20.6 6.0 .77 .77 .92 1.00 19.6 5.7 .93 .79 .94 1.00 18.6 5.5 1.10 .81 .97 1.00 17.5 5.1 1.30 .83 .99 1.00
63�F(17�C)
630 295 20.6 6.0 .77 .77 .92 1.00 19.6 5.7 .93 .79 .94 1.00 18.6 5.5 1.10 .81 .97 1.00 17.5 5.1 1.30 .83 .99 1.00(17�C)
745 350 21.4 6.3 .77 .81 .97 1.00 20.4 6.0 .93 .83 .99 1.00 19.4 5.7 1.10 .85 1.00 1.00 18.4 5.4 1.30 .88 1.00 1.00
67�F630 295 22.0 6.4 .78 .60 .75 .88 21.0 6.2 .93 .62 .76 .90 19.9 5.8 1.10 .63 .78 .93 18.7 5.5 1.30 .64 .80 .96
67�F(19�C)
630 295 22.0 6.4 .78 .60 .75 .88 21.0 6.2 .93 .62 .76 .90 19.9 5.8 1.10 .63 .78 .93 18.7 5.5 1.30 .64 .80 .96(19�C)
745 350 22.8 6.7 .78 .63 .78 .93 21.6 6.3 .93 .64 .80 .95 20.6 6.0 1.10 .65 .82 .98 19.4 5.7 1.30 .67 .85 1.00
71�F630 295 23.4 6.9 .78 .46 .59 .72 22.4 6.6 .93 .46 .60 .73 21.2 6.2 1.10 .46 .61 .75 20.0 5.9 1.30 .47 .62 .77
71�F(22�C)
630 295 23.4 6.9 .78 .46 .59 .72 22.4 6.6 .93 .46 .60 .73 21.2 6.2 1.10 .46 .61 .75 20.0 5.9 1.30 .47 .62 .77(22�C)
745 350 24.2 7.1 .79 .47 .61 .76 23.2 6.8 .93 .47 .62 .77 22.0 6.4 1.10 .47 .64 .79 20.6 6.0 1.30 .48 .66 .82
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−31A−6F + G60UHV−36A−070][C33−31A + G60UHV−36A−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F830 390 26.0 7.6 1.29 .78 .93 1.00 24.6 7.2 1.51 .80 .95 1.00 23.2 6.8 1.75 .81 .98 1.00 21.8 6.4 2.02 .84 1.00 1.00
63�F(17�C)
830 390 26.0 7.6 1.29 .78 .93 1.00 24.6 7.2 1.51 .80 .95 1.00 23.2 6.8 1.75 .81 .98 1.00 21.8 6.4 2.02 .84 1.00 1.00(17�C)
1040 490 27.0 7.9 1.30 .83 1.00 1.00 25.8 7.6 1.51 .85 1.00 1.00 24.6 7.2 1.75 .88 1.00 1.00 23.2 6.8 2.02 .91 1.00 1.00
67�F830 390 27.4 8.0 1.30 .61 .75 .89 26.0 7.6 1.51 .62 .77 .92 24.6 7.2 1.75 .63 .79 .95 23.0 6.7 2.02 .65 .82 .98
67�F(19�C)
830 390 27.4 8.0 1.30 .61 .75 .89 26.0 7.6 1.51 .62 .77 .92 24.6 7.2 1.75 .63 .79 .95 23.0 6.7 2.02 .65 .82 .98(19�C)
1040 490 28.6 8.4 1.30 .64 .81 .97 27.2 8.0 1.51 .65 .83 .99 25.6 7.5 1.75 .67 .86 1.00 24.0 7.0 2.02 .69 .89 1.00
71�F830 390 29.0 8.5 1.30 .46 .60 .73 27.6 8.1 1.52 .46 .61 .75 26.0 7.6 1.75 .47 .62 .76 24.4 7.2 2.03 .48 .64 .79
71�F(22�C)
830 390 29.0 8.5 1.30 .46 .60 .73 27.6 8.1 1.52 .46 .61 .75 26.0 7.6 1.75 .47 .62 .76 24.4 7.2 2.03 .48 .64 .79(22�C)
1040 490 30.2 8.9 1.31 .48 .63 .79 28.6 8.4 1.52 .48 .64 .81 27.0 7.9 1.76 .48 .65 .83 25.4 7.4 2.03 .50 .68 .86
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−31B−6F + G60UHV−36B−090][C33−31B + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F625 295 20.6 6.0 .77 .77 .92 1.00 19.6 5.7 .93 .79 .94 1.00 18.6 5.5 1.10 .81 .96 1.00 17.5 5.1 1.30 .83 .99 1.00
63�F(17�C)
625 295 20.6 6.0 .77 .77 .92 1.00 19.6 5.7 .93 .79 .94 1.00 18.6 5.5 1.10 .81 .96 1.00 17.5 5.1 1.30 .83 .99 1.00(17�C)
740 350 21.4 6.3 .78 .81 .97 1.00 20.4 6.0 .92 .83 .99 1.00 19.4 5.7 1.10 .85 1.00 1.00 18.4 5.4 1.30 .88 1.00 1.00
67�F625 295 22.0 6.4 .78 .60 .74 .88 21.0 6.2 .93 .62 .76 .90 19.9 5.8 1.10 .63 .78 .92 18.7 5.5 1.30 .64 .80 .95
67�F(19�C)
625 295 22.0 6.4 .78 .60 .74 .88 21.0 6.2 .93 .62 .76 .90 19.9 5.8 1.10 .63 .78 .92 18.7 5.5 1.30 .64 .80 .95(19�C)
740 350 22.8 6.7 .78 .63 .78 .93 21.6 6.3 .93 .64 .80 .95 20.6 6.0 1.10 .65 .82 .98 19.3 5.7 1.30 .67 .85 1.00
71�F625 295 23.4 6.9 .78 .46 .59 .72 22.2 6.5 .93 .46 .60 .73 21.2 6.2 1.10 .46 .61 .75 20.0 5.9 1.30 .47 .62 .76
71�F(22�C)
625 295 23.4 6.9 .78 .46 .59 .72 22.2 6.5 .93 .46 .60 .73 21.2 6.2 1.10 .46 .61 .75 20.0 5.9 1.30 .47 .62 .76(22�C)
740 350 24.2 7.1 .79 .47 .61 .75 23.0 6.7 .93 .47 .62 .77 22.0 6.4 1.10 .47 .64 .80 20.6 6.0 1.30 .48 .65 .82
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−31B−6F + G60UHV−36B−090][C33−31B + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F825 390 25.8 7.6 1.29 .78 .93 1.00 24.6 7.2 1.51 .79 .95 1.00 23.2 6.8 1.75 .81 .98 1.00 21.8 6.4 2.01 .84 1.00 1.00
63�F(17�C)
825 390 25.8 7.6 1.29 .78 .93 1.00 24.6 7.2 1.51 .79 .95 1.00 23.2 6.8 1.75 .81 .98 1.00 21.8 6.4 2.01 .84 1.00 1.00(17�C)
1035 490 27.0 7.9 1.30 .83 .99 1.00 25.8 7.6 1.51 .85 1.00 1.00 24.6 7.2 1.75 .88 1.00 1.00 23.2 6.8 2.02 .91 1.00 1.00
67�F825 390 27.4 8.0 1.30 .61 .75 .89 26.0 7.6 1.51 .62 .77 .92 24.6 7.2 1.75 .63 .78 .94 23.0 6.7 2.01 .65 .82 .98
67�F(19�C)
825 390 27.4 8.0 1.30 .61 .75 .89 26.0 7.6 1.51 .62 .77 .92 24.6 7.2 1.75 .63 .78 .94 23.0 6.7 2.01 .65 .82 .98(19�C)
1035 490 28.6 8.4 1.30 .64 .81 .97 27.2 8.0 1.51 .65 .83 .99 25.6 7.5 1.75 .67 .86 1.00 24.0 7.0 2.02 .69 .89 1.00
71�F825 390 29.0 8.5 1.30 .46 .60 .73 27.6 8.1 1.52 .46 .61 .75 26.0 7.6 1.75 .47 .62 .76 24.4 7.2 2.03 .47 .63 .79
71�F(22�C)
825 390 29.0 8.5 1.30 .46 .60 .73 27.6 8.1 1.52 .46 .61 .75 26.0 7.6 1.75 .47 .62 .76 24.4 7.2 2.03 .47 .63 .79(22�C)
1035 490 30.2 8.9 1.31 .48 .63 .78 28.6 8.4 1.52 .48 .64 .80 27.0 7.9 1.76 .48 .65 .83 25.4 7.4 2.03 .50 .68 .86
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 2 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 29
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−31B−6F + G61MPV−36B−045][C33−31B + G61MPV−36B−045]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F610 290 20.4 6.0 .77 .76 .91 1.00 19.5 5.7 .93 .78 .93 1.00 18.5 5.4 1.10 .80 .96 1.00 17.4 5.1 1.30 .82 .99 1.00
63�F(17�C)
610 290 20.4 6.0 .77 .76 .91 1.00 19.5 5.7 .93 .78 .93 1.00 18.5 5.4 1.10 .80 .96 1.00 17.4 5.1 1.30 .82 .99 1.00(17�C)
725 340 21.2 6.2 .78 .80 .96 1.00 20.2 5.9 .92 .82 .98 1.00 19.2 5.6 1.10 .84 1.00 1.00 18.3 5.4 1.30 .87 1.00 1.00
67�F610 290 21.8 6.4 .78 .60 .74 .87 20.8 6.1 .93 .61 .75 .89 19.8 5.8 1.10 .62 .77 .92 18.6 5.5 1.30 .63 .79 .95
67�F(19�C)
610 290 21.8 6.4 .78 .60 .74 .87 20.8 6.1 .93 .61 .75 .89 19.8 5.8 1.10 .62 .77 .92 18.6 5.5 1.30 .63 .79 .95(19�C)
725 340 22.6 6.6 .78 .63 .78 .92 21.6 6.3 .93 .63 .79 .95 20.4 6.0 1.10 .64 .81 .97 19.3 5.7 1.30 .66 .84 1.00
71�F610 290 23.2 6.8 .78 .46 .59 .71 22.2 6.5 .93 .46 .59 .73 21.0 6.2 1.10 .47 .61 .74 19.9 5.8 1.30 .47 .62 .76
71�F(22�C)
610 290 23.2 6.8 .78 .46 .59 .71 22.2 6.5 .93 .46 .59 .73 21.0 6.2 1.10 .47 .61 .74 19.9 5.8 1.30 .47 .62 .76(22�C)
725 340 24.0 7.0 .79 .47 .61 .75 23.0 6.7 .94 .47 .62 .77 21.8 6.4 1.10 .47 .63 .79 20.6 6.0 1.30 .48 .64 .80
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−31B−6F + G61MPV−36B−045][C33−31B + G61MPV−36B−045]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F840 395 26.0 7.6 1.29 .78 .93 1.00 24.6 7.2 1.51 .80 .96 1.00 23.4 6.9 1.75 .82 .98 1.00 21.8 6.4 2.02 .84 1.00 1.00
63�F(17�C)
840 395 26.0 7.6 1.29 .78 .93 1.00 24.6 7.2 1.51 .80 .96 1.00 23.4 6.9 1.75 .82 .98 1.00 21.8 6.4 2.02 .84 1.00 1.00(17�C)
1050 495 27.2 8.0 1.29 .83 1.00 1.00 26.0 7.6 1.51 .86 1.00 1.00 24.6 7.2 1.75 .89 1.00 1.00 23.2 6.8 2.02 .92 1.00 1.00
67�F840 395 27.6 8.1 1.30 .61 .76 .90 26.2 7.7 1.51 .62 .77 .92 24.6 7.2 1.75 .63 .79 .95 23.2 6.8 2.02 .65 .82 .98
67�F(19�C)
840 395 27.6 8.1 1.30 .61 .76 .90 26.2 7.7 1.51 .62 .77 .92 24.6 7.2 1.75 .63 .79 .95 23.2 6.8 2.02 .65 .82 .98(19�C)
1050 495 28.6 8.4 1.30 .64 .81 .97 27.2 8.0 1.52 .66 .83 .99 25.6 7.5 1.75 .68 .86 1.00 24.0 7.0 2.02 .69 .89 1.00
71�F840 395 29.0 8.5 1.30 .46 .60 .74 27.6 8.1 1.52 .47 .61 .75 26.2 7.7 1.75 .47 .62 .76 24.6 7.2 2.02 .48 .64 .80
71�F(22�C)
840 395 29.0 8.5 1.30 .46 .60 .74 27.6 8.1 1.52 .47 .61 .75 26.2 7.7 1.75 .47 .62 .76 24.6 7.2 2.02 .48 .64 .80(22�C)
1050 495 30.2 8.9 1.31 .48 .63 .79 28.8 8.4 1.52 .48 .65 .81 27.2 8.0 1.76 .48 .67 .84 25.4 7.4 2.03 .50 .69 .87
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−31B−6F + G61MPV−36B−070][C33−31B + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F625 295 20.6 6.0 .77 .77 .92 1.00 19.6 5.7 .93 .79 .94 1.00 18.6 5.5 1.10 .81 .96 1.00 17.5 5.1 1.30 .83 .99 1.00
63�F(17�C)
625 295 20.6 6.0 .77 .77 .92 1.00 19.6 5.7 .93 .79 .94 1.00 18.6 5.5 1.10 .81 .96 1.00 17.5 5.1 1.30 .83 .99 1.00(17�C)
725 340 21.2 6.2 .78 .80 .96 1.00 20.2 5.9 .92 .82 .98 1.00 19.3 5.7 1.10 .84 1.00 1.00 18.3 5.4 1.30 .87 1.00 1.00
67�F625 295 22.0 6.4 .78 .60 .74 .88 21.0 6.2 .93 .62 .76 .90 19.9 5.8 1.10 .63 .78 .92 18.7 5.5 1.30 .64 .80 .95
67�F(19�C)
625 295 22.0 6.4 .78 .60 .74 .88 21.0 6.2 .93 .62 .76 .90 19.9 5.8 1.10 .63 .78 .92 18.7 5.5 1.30 .64 .80 .95(19�C)
725 340 22.6 6.6 .78 .63 .78 .92 21.6 6.3 .93 .63 .79 .95 20.4 6.0 1.10 .64 .81 .97 19.3 5.7 1.30 .66 .84 1.00
71�F625 295 23.4 6.9 .78 .46 .59 .72 22.2 6.5 .93 .46 .60 .73 21.2 6.2 1.10 .46 .61 .75 20.0 5.9 1.30 .47 .62 .76
71�F(22�C)
625 295 23.4 6.9 .78 .46 .59 .72 22.2 6.5 .93 .46 .60 .73 21.2 6.2 1.10 .46 .61 .75 20.0 5.9 1.30 .47 .62 .76(22�C)
725 340 24.0 7.0 .79 .47 .61 .75 23.0 6.7 .94 .47 .62 .77 21.8 6.4 1.10 .47 .63 .79 20.6 6.0 1.30 .48 .64 .80
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−31B−6F + G61MPV−36B−070][C33−31B + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F830 390 26.0 7.6 1.29 .78 .93 1.00 24.6 7.2 1.51 .80 .95 1.00 23.2 6.8 1.75 .81 .98 1.00 21.8 6.4 2.02 .84 1.00 1.00
63�F(17�C)
830 390 26.0 7.6 1.29 .78 .93 1.00 24.6 7.2 1.51 .80 .95 1.00 23.2 6.8 1.75 .81 .98 1.00 21.8 6.4 2.02 .84 1.00 1.00(17�C)
1020 480 27.0 7.9 1.29 .83 .99 1.00 25.6 7.5 1.51 .85 1.00 1.00 24.4 7.2 1.75 .88 1.00 1.00 23.0 6.7 2.02 .91 1.00 1.00
67�F830 390 27.4 8.0 1.30 .61 .75 .89 26.0 7.6 1.51 .62 .77 .92 24.6 7.2 1.75 .63 .79 .95 23.0 6.7 2.02 .65 .82 .98
67�F(19�C)
830 390 27.4 8.0 1.30 .61 .75 .89 26.0 7.6 1.51 .62 .77 .92 24.6 7.2 1.75 .63 .79 .95 23.0 6.7 2.02 .65 .82 .98(19�C)
1020 480 28.4 8.3 1.30 .63 .80 .96 27.0 7.9 1.52 .65 .82 .98 25.6 7.5 1.75 .67 .85 1.00 24.0 7.0 2.02 .69 .88 1.00
71�F830 390 29.0 8.5 1.30 .46 .60 .73 27.6 8.1 1.52 .46 .61 .75 26.0 7.6 1.75 .47 .62 .76 24.4 7.2 2.03 .48 .64 .79
71�F(22�C)
830 390 29.0 8.5 1.30 .46 .60 .73 27.6 8.1 1.52 .46 .61 .75 26.0 7.6 1.75 .47 .62 .76 24.4 7.2 2.03 .48 .64 .79(22�C)
1020 480 30.0 8.8 1.31 .47 .63 .78 28.6 8.4 1.52 .48 .64 .80 27.0 7.9 1.76 .48 .65 .83 25.2 7.4 2.03 .49 .68 .86
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 2 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 30
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−36A−6F + G60UHV−36A−070][C33−36A + G60UHV−36A−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F630 295 20.4 6.0 .77 .78 .92 1.00 19.4 5.7 .93 .79 .95 1.00 18.5 5.4 1.10 .81 .97 1.00 17.4 5.1 1.30 .84 1.00 1.00
63�F(17�C)
630 295 20.4 6.0 .77 .78 .92 1.00 19.4 5.7 .93 .79 .95 1.00 18.5 5.4 1.10 .81 .97 1.00 17.4 5.1 1.30 .84 1.00 1.00(17�C)
745 350 21.2 6.2 .78 .82 .97 1.00 20.2 5.9 .93 .83 .99 1.00 19.3 5.7 1.10 .86 1.00 1.00 18.3 5.4 1.30 .89 1.00 1.00
67�F630 295 21.4 6.3 .78 .61 .75 .89 20.6 6.0 .93 .62 .77 .91 19.5 5.7 1.10 .63 .79 .94 18.4 5.4 1.30 .65 .81 .97
67�F(19�C)
630 295 21.4 6.3 .78 .61 .75 .89 20.6 6.0 .93 .62 .77 .91 19.5 5.7 1.10 .63 .79 .94 18.4 5.4 1.30 .65 .81 .97(19�C)
745 350 22.2 6.5 .78 .64 .79 .94 21.4 6.3 .93 .65 .81 .96 20.2 5.9 1.10 .66 .83 .99 19.0 5.6 1.30 .68 .86 1.00
71�F630 295 22.4 6.6 .78 .46 .60 .73 21.6 6.3 .93 .47 .61 .74 20.4 6.0 1.10 .47 .62 .76 19.4 5.7 1.30 .47 .63 .78
71�F(22�C)
630 295 22.4 6.6 .78 .46 .60 .73 21.6 6.3 .93 .47 .61 .74 20.4 6.0 1.10 .47 .62 .76 19.4 5.7 1.30 .47 .63 .78(22�C)
745 350 23.4 6.9 .78 .47 .62 .77 22.4 6.6 .93 .48 .63 .78 21.4 6.3 1.10 .48 .65 .81 20.2 5.9 1.30 .49 .66 .83
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−36A−6F + G60UHV−36A−070][C33−36A + G60UHV−36A−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F830 390 25.6 7.5 1.29 .78 .93 1.00 24.2 7.1 1.50 .80 .96 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.02 .85 1.00 1.00
63�F(17�C)
830 390 25.6 7.5 1.29 .78 .93 1.00 24.2 7.1 1.50 .80 .96 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.02 .85 1.00 1.00(17�C)
1040 490 26.8 7.9 1.29 .84 1.00 1.00 25.6 7.5 1.51 .86 1.00 1.00 24.2 7.1 1.75 .89 1.00 1.00 23.0 6.7 2.02 .92 1.00 1.00
67�F830 390 26.8 7.9 1.29 .62 .76 .90 25.6 7.5 1.51 .63 .78 .93 24.2 7.1 1.75 .64 .80 .95 22.6 6.6 2.02 .66 .83 .98
67�F(19�C)
830 390 26.8 7.9 1.29 .62 .76 .90 25.6 7.5 1.51 .63 .78 .93 24.2 7.1 1.75 .64 .80 .95 22.6 6.6 2.02 .66 .83 .98(19�C)
1040 490 28.0 8.2 1.30 .65 .82 .97 26.6 7.8 1.51 .66 .84 .99 25.0 7.3 1.74 .68 .87 1.00 23.4 6.9 2.02 .70 .90 1.00
71�F830 390 28.0 8.2 1.30 .47 .61 .74 26.8 7.9 1.51 .47 .62 .76 25.4 7.4 1.75 .48 .63 .78 23.8 7.0 2.03 .48 .65 .80
71�F(22�C)
830 390 28.0 8.2 1.30 .47 .61 .74 26.8 7.9 1.51 .47 .62 .76 25.4 7.4 1.75 .48 .63 .78 23.8 7.0 2.03 .48 .65 .80(22�C)
1040 490 29.4 8.6 1.30 .48 .64 .80 28.0 8.2 1.52 .49 .65 .82 26.4 7.7 1.76 .49 .67 .84 24.8 7.3 2.02 .50 .69 .88
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−36B−6F + G60UHV−36B−090][C33−36B + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F625 295 20.2 5.9 .77 .78 .92 1.00 19.4 5.7 .93 .79 .94 1.00 18.4 5.4 1.10 .81 .97 1.00 17.4 5.1 1.30 .84 1.00 1.00
63�F(17�C)
625 295 20.2 5.9 .77 .78 .92 1.00 19.4 5.7 .93 .79 .94 1.00 18.4 5.4 1.10 .81 .97 1.00 17.4 5.1 1.30 .84 1.00 1.00(17�C)
740 350 21.2 6.2 .78 .82 .97 1.00 20.2 5.9 .93 .83 .99 1.00 19.3 5.7 1.10 .86 1.00 1.00 18.3 5.4 1.30 .89 1.00 1.00
67�F625 295 21.4 6.3 .78 .61 .75 .89 20.4 6.0 .93 .62 .77 .91 19.5 5.7 1.10 .63 .79 .93 18.3 5.4 1.30 .65 .81 .96
67�F(19�C)
625 295 21.4 6.3 .78 .61 .75 .89 20.4 6.0 .93 .62 .77 .91 19.5 5.7 1.10 .63 .79 .93 18.3 5.4 1.30 .65 .81 .96(19�C)
740 350 22.2 6.5 .78 .64 .79 .94 21.2 6.2 .93 .65 .81 .96 20.2 5.9 1.10 .66 .83 .99 19.0 5.6 1.30 .68 .86 1.00
71�F625 295 22.4 6.6 .78 .46 .60 .73 21.6 6.3 .93 .47 .61 .74 20.4 6.0 1.10 .47 .62 .76 19.3 5.7 1.30 .48 .63 .78
71�F(22�C)
625 295 22.4 6.6 .78 .46 .60 .73 21.6 6.3 .93 .47 .61 .74 20.4 6.0 1.10 .47 .62 .76 19.3 5.7 1.30 .48 .63 .78(22�C)
740 350 23.4 6.9 .78 .47 .62 .76 22.4 6.6 .93 .48 .63 .78 21.2 6.2 1.10 .48 .65 .80 20.0 5.9 1.30 .49 .66 .83
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−36B−6F + G60UHV−36B−090][C33−36B + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F825 390 25.4 7.4 1.29 .78 .93 1.00 24.2 7.1 1.50 .80 .96 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.02 .85 1.00 1.00
63�F(17�C)
825 390 25.4 7.4 1.29 .78 .93 1.00 24.2 7.1 1.50 .80 .96 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.02 .85 1.00 1.00(17�C)
1035 490 26.8 7.9 1.29 .84 1.00 1.00 25.6 7.5 1.51 .86 1.00 1.00 24.2 7.1 1.75 .89 1.00 1.00 23.0 6.7 2.02 .92 1.00 1.00
67�F825 390 26.8 7.9 1.29 .62 .76 .90 25.4 7.4 1.51 .63 .78 .93 24.2 7.1 1.75 .64 .80 .95 22.6 6.6 2.02 .66 .83 .98
67�F(19�C)
825 390 26.8 7.9 1.29 .62 .76 .90 25.4 7.4 1.51 .63 .78 .93 24.2 7.1 1.75 .64 .80 .95 22.6 6.6 2.02 .66 .83 .98(19�C)
1035 490 28.0 8.2 1.30 .65 .82 .97 26.6 7.8 1.51 .66 .84 .99 25.0 7.3 1.74 .68 .87 1.00 23.4 6.9 2.02 .70 .90 1.00
71�F825 390 28.0 8.2 1.30 .47 .61 .74 26.6 7.8 1.51 .47 .62 .75 25.2 7.4 1.75 .48 .63 .78 23.8 7.0 2.03 .48 .64 .80
71�F(22�C)
825 390 28.0 8.2 1.30 .47 .61 .74 26.6 7.8 1.51 .47 .62 .75 25.2 7.4 1.75 .48 .63 .78 23.8 7.0 2.03 .48 .64 .80(22�C)
1035 490 29.2 8.6 1.30 .48 .64 .79 27.8 8.1 1.52 .49 .65 .82 26.4 7.7 1.76 .49 .67 .84 24.8 7.3 2.02 .50 .69 .87
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 2 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 31
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−36B−6F + G61MPV−36B−045][C33−36B + G61MPV−36B−045]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F610 290 20.2 5.9 .77 .77 .92 1.00 19.3 5.7 .93 .79 .94 1.00 18.3 5.4 1.10 .81 .96 1.00 17.3 5.1 1.31 .83 .99 1.00
63�F(17�C)
610 290 20.2 5.9 .77 .77 .92 1.00 19.3 5.7 .93 .79 .94 1.00 18.3 5.4 1.10 .81 .96 1.00 17.3 5.1 1.31 .83 .99 1.00(17�C)
725 340 21.0 6.2 .78 .81 .97 1.00 20.2 5.9 .93 .83 .99 1.00 19.2 5.6 1.10 .85 1.00 1.00 18.2 5.3 1.30 .88 1.00 1.00
67�F610 290 21.2 6.2 .78 .61 .75 .88 20.4 6.0 .93 .62 .76 .90 19.3 5.7 1.10 .63 .78 .93 18.3 5.4 1.30 .64 .80 .96
67�F(19�C)
610 290 21.2 6.2 .78 .61 .75 .88 20.4 6.0 .93 .62 .76 .90 19.3 5.7 1.10 .63 .78 .93 18.3 5.4 1.30 .64 .80 .96(19�C)
725 340 22.2 6.5 .78 .63 .78 .93 21.2 6.2 .93 .64 .80 .95 20.2 5.9 1.10 .66 .82 .98 18.9 5.5 1.30 .67 .85 1.00
71�F610 290 22.2 6.5 .78 .46 .59 .72 21.4 6.3 .93 .47 .60 .73 20.4 6.0 1.10 .47 .62 .75 19.2 5.6 1.30 .47 .63 .77
71�F(22�C)
610 290 22.2 6.5 .78 .46 .59 .72 21.4 6.3 .93 .47 .60 .73 20.4 6.0 1.10 .47 .62 .75 19.2 5.6 1.30 .47 .63 .77(22�C)
725 340 23.2 6.8 .78 .47 .62 .76 22.2 6.5 .93 .48 .63 .78 21.2 6.2 1.10 .48 .64 .80 20.0 5.9 1.30 .49 .66 .82
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−36B−6F + G61MPV−36B−045][C33−36B + G61MPV−36B−045]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F840 395 25.6 7.5 1.29 .79 .94 1.00 24.4 7.2 1.50 .81 .96 1.00 23.0 6.7 1.74 .83 .99 1.00 21.8 6.4 2.02 .85 1.00 1.00
63�F(17�C)
840 395 25.6 7.5 1.29 .79 .94 1.00 24.4 7.2 1.50 .81 .96 1.00 23.0 6.7 1.74 .83 .99 1.00 21.8 6.4 2.02 .85 1.00 1.00(17�C)
1050 495 26.8 7.9 1.30 .84 1.00 1.00 25.6 7.5 1.51 .87 1.00 1.00 24.4 7.2 1.75 .89 1.00 1.00 23.0 6.7 2.02 .93 1.00 1.00
67�F840 395 26.8 7.9 1.30 .62 .76 .91 25.6 7.5 1.51 .63 .78 .93 24.2 7.1 1.75 .64 .80 .96 22.8 6.7 2.03 .66 .83 .99
67�F(19�C)
840 395 26.8 7.9 1.30 .62 .76 .91 25.6 7.5 1.51 .63 .78 .93 24.2 7.1 1.75 .64 .80 .96 22.8 6.7 2.03 .66 .83 .99(19�C)
1050 495 28.0 8.2 1.30 .65 .82 .98 26.6 7.8 1.51 .67 .84 1.00 25.2 7.4 1.75 .68 .87 1.00 23.6 6.9 2.03 .70 .90 1.00
71�F840 395 28.0 8.2 1.30 .47 .61 .74 26.8 7.9 1.51 .47 .62 .76 25.4 7.4 1.75 .48 .63 .78 23.8 7.0 2.03 .48 .65 .81
71�F(22�C)
840 395 28.0 8.2 1.30 .47 .61 .74 26.8 7.9 1.51 .47 .62 .76 25.4 7.4 1.75 .48 .63 .78 23.8 7.0 2.03 .48 .65 .81(22�C)
1050 495 29.4 8.6 1.30 .48 .64 .80 28.0 8.2 1.52 .49 .66 .82 26.4 7.7 1.75 .49 .67 .85 24.8 7.3 2.02 .50 .69 .88
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−36B−6F + G61MPV−36B−070][C33−36B + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F625 295 20.2 5.9 .77 .78 .92 1.00 19.4 5.7 .93 .79 .94 1.00 18.4 5.4 1.10 .81 .97 1.00 17.4 5.1 1.30 .84 1.00 1.00
63�F(17�C)
625 295 20.2 5.9 .77 .78 .92 1.00 19.4 5.7 .93 .79 .94 1.00 18.4 5.4 1.10 .81 .97 1.00 17.4 5.1 1.30 .84 1.00 1.00(17�C)
725 340 21.0 6.2 .78 .81 .97 1.00 20.2 5.9 .92 .83 .99 1.00 19.2 5.6 1.10 .85 1.00 1.00 18.2 5.3 1.30 .88 1.00 1.00
67�F625 295 21.4 6.3 .78 .61 .75 .89 20.4 6.0 .93 .62 .77 .91 19.5 5.7 1.10 .63 .79 .93 18.3 5.4 1.30 .65 .81 .96
67�F(19�C)
625 295 21.4 6.3 .78 .61 .75 .89 20.4 6.0 .93 .62 .77 .91 19.5 5.7 1.10 .63 .79 .93 18.3 5.4 1.30 .65 .81 .96(19�C)
725 340 22.2 6.5 .78 .63 .78 .93 21.2 6.2 .93 .64 .80 .96 20.2 5.9 1.10 .66 .82 .98 19.0 5.6 1.30 .67 .85 1.00
71�F625 295 22.4 6.6 .78 .46 .60 .73 21.6 6.3 .93 .47 .61 .74 20.4 6.0 1.10 .47 .62 .76 19.3 5.7 1.30 .48 .63 .78
71�F(22�C)
625 295 22.4 6.6 .78 .46 .60 .73 21.6 6.3 .93 .47 .61 .74 20.4 6.0 1.10 .47 .62 .76 19.3 5.7 1.30 .48 .63 .78(22�C)
725 340 23.4 6.9 .78 .47 .62 .76 22.4 6.6 .93 .48 .63 .78 21.2 6.2 1.10 .48 .64 .80 20.0 5.9 1.30 .49 .66 .82
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−36B−6F + G61MPV−36B−070][C33−36B + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F830 390 25.6 7.5 1.29 .78 .93 1.00 24.2 7.1 1.50 .80 .96 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.02 .85 1.00 1.00
63�F(17�C)
830 390 25.6 7.5 1.29 .78 .93 1.00 24.2 7.1 1.50 .80 .96 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.02 .85 1.00 1.00(17�C)
1020 480 26.6 7.8 1.29 .83 .99 1.00 25.4 7.4 1.51 .86 1.00 1.00 24.2 7.1 1.75 .88 1.00 1.00 22.8 6.7 2.02 .92 1.00 1.00
67�F830 390 26.8 7.9 1.29 .62 .76 .90 25.6 7.5 1.51 .63 .78 .93 24.2 7.1 1.75 .64 .80 .95 22.6 6.6 2.02 .66 .83 .98
67�F(19�C)
830 390 26.8 7.9 1.29 .62 .76 .90 25.6 7.5 1.51 .63 .78 .93 24.2 7.1 1.75 .64 .80 .95 22.6 6.6 2.02 .66 .83 .98(19�C)
1020 480 27.8 8.1 1.30 .65 .81 .97 26.4 7.7 1.51 .66 .83 .99 25.0 7.3 1.74 .68 .86 1.00 23.4 6.9 2.03 .70 .89 1.00
71�F830 390 28.0 8.2 1.30 .47 .61 .74 26.8 7.9 1.51 .47 .62 .76 25.4 7.4 1.75 .48 .63 .78 23.8 7.0 2.03 .48 .65 .80
71�F(22�C)
830 390 28.0 8.2 1.30 .47 .61 .74 26.8 7.9 1.51 .47 .62 .76 25.4 7.4 1.75 .48 .63 .78 23.8 7.0 2.03 .48 .65 .80(22�C)
1020 480 29.2 8.6 1.31 .48 .64 .79 27.8 8.1 1.52 .49 .65 .81 26.2 7.7 1.76 .49 .67 .84 24.6 7.2 2.02 .50 .69 .87
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 2 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 32
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−38A−6F + G60UHV−36A−070][C33−38A + G60UHV−36A−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F630 295 20.8 6.1 .77 .78 .92 1.00 19.8 5.8 .93 .79 .95 1.00 18.8 5.5 1.10 .81 .97 1.00 17.7 5.2 1.30 .83 1.00 1.00
63�F(17�C)
630 295 20.8 6.1 .77 .78 .92 1.00 19.8 5.8 .93 .79 .95 1.00 18.8 5.5 1.10 .81 .97 1.00 17.7 5.2 1.30 .83 1.00 1.00(17�C)
745 350 21.6 6.3 .77 .81 .98 1.00 20.6 6.0 .93 .83 1.00 1.00 19.7 5.8 1.10 .86 1.00 1.00 18.6 5.5 1.30 .89 1.00 1.00
67�F630 295 22.2 6.5 .78 .61 .75 .88 21.2 6.2 .93 .62 .76 .91 20.0 5.9 1.10 .63 .78 .93 18.8 5.5 1.30 .64 .81 .96
67�F(19�C)
630 295 22.2 6.5 .78 .61 .75 .88 21.2 6.2 .93 .62 .76 .91 20.0 5.9 1.10 .63 .78 .93 18.8 5.5 1.30 .64 .81 .96(19�C)
745 350 23.0 6.7 .78 .63 .79 .94 21.8 6.4 .93 .64 .81 .96 20.8 6.1 1.10 .66 .83 .99 19.5 5.7 1.30 .67 .86 1.00
71�F630 295 23.6 6.9 .78 .46 .59 .72 22.4 6.6 .93 .46 .60 .74 21.4 6.3 1.10 .47 .61 .76 20.2 5.9 1.30 .47 .62 .77
71�F(22�C)
630 295 23.6 6.9 .78 .46 .59 .72 22.4 6.6 .93 .46 .60 .74 21.4 6.3 1.10 .47 .61 .76 20.2 5.9 1.30 .47 .62 .77(22�C)
745 350 24.4 7.2 .79 .47 .62 .76 23.4 6.9 .94 .47 .63 .78 22.2 6.5 1.10 .48 .64 .80 20.8 6.1 1.30 .48 .66 .83
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−38A−6F + G60UHV−36A−070][C33−38A + G60UHV−36A−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F830 390 26.2 7.7 1.29 .78 .93 1.00 24.8 7.3 1.51 .80 .96 1.00 23.4 6.9 1.74 .82 .99 1.00 22.0 6.4 2.02 .85 1.00 1.00
63�F(17�C)
830 390 26.2 7.7 1.29 .78 .93 1.00 24.8 7.3 1.51 .80 .96 1.00 23.4 6.9 1.74 .82 .99 1.00 22.0 6.4 2.02 .85 1.00 1.00(17�C)
1040 490 27.4 8.0 1.30 .84 1.00 1.00 26.2 7.7 1.51 .87 1.00 1.00 24.8 7.3 1.75 .89 1.00 1.00 23.4 6.9 2.02 .93 1.00 1.00
67�F830 390 27.6 8.1 1.30 .62 .76 .90 26.4 7.7 1.51 .63 .78 .93 24.8 7.3 1.75 .64 .80 .95 23.2 6.8 2.02 .65 .83 .99
67�F(19�C)
830 390 27.6 8.1 1.30 .62 .76 .90 26.4 7.7 1.51 .63 .78 .93 24.8 7.3 1.75 .64 .80 .95 23.2 6.8 2.02 .65 .83 .99(19�C)
1040 490 28.8 8.4 1.30 .65 .82 .98 27.4 8.0 1.52 .65 .84 1.00 25.8 7.6 1.76 .68 .87 1.00 24.2 7.1 2.02 .70 .90 1.00
71�F830 390 29.2 8.6 1.31 .46 .60 .74 27.8 8.1 1.52 .47 .61 .75 26.2 7.7 1.76 .47 .62 .77 24.6 7.2 2.02 .47 .64 .80
71�F(22�C)
830 390 29.2 8.6 1.31 .46 .60 .74 27.8 8.1 1.52 .47 .61 .75 26.2 7.7 1.76 .47 .62 .77 24.6 7.2 2.02 .47 .64 .80(22�C)
1040 490 30.4 8.9 1.31 .48 .64 .79 28.8 8.4 1.52 .48 .65 .82 27.2 8.0 1.76 .48 .67 .84 25.6 7.5 2.03 .50 .69 .88
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−38B−6F + G60UHV−36B−090][C33−38B + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F625 295 20.2 5.9 .77 .78 .92 1.00 19.4 5.7 .93 .79 .94 1.00 18.4 5.4 1.10 .81 .97 1.00 17.4 5.1 1.30 .84 1.00 1.00
63�F(17�C)
625 295 20.2 5.9 .77 .78 .92 1.00 19.4 5.7 .93 .79 .94 1.00 18.4 5.4 1.10 .81 .97 1.00 17.4 5.1 1.30 .84 1.00 1.00(17�C)
740 350 21.2 6.2 .78 .82 .97 1.00 20.2 5.9 .93 .83 .99 1.00 19.3 5.7 1.10 .86 1.00 1.00 18.3 5.4 1.30 .89 1.00 1.00
67�F625 295 21.4 6.3 .78 .61 .75 .89 20.4 6.0 .93 .62 .77 .91 19.5 5.7 1.10 .63 .79 .93 18.3 5.4 1.30 .65 .81 .96
67�F(19�C)
625 295 21.4 6.3 .78 .61 .75 .89 20.4 6.0 .93 .62 .77 .91 19.5 5.7 1.10 .63 .79 .93 18.3 5.4 1.30 .65 .81 .96(19�C)
740 350 22.2 6.5 .78 .64 .79 .94 21.2 6.2 .93 .65 .81 .96 20.2 5.9 1.10 .66 .83 .99 19.0 5.6 1.30 .68 .86 1.00
71�F625 295 22.4 6.6 .78 .46 .60 .73 21.6 6.3 .93 .47 .61 .74 20.4 6.0 1.10 .47 .62 .76 19.3 5.7 1.30 .48 .63 .78
71�F(22�C)
625 295 22.4 6.6 .78 .46 .60 .73 21.6 6.3 .93 .47 .61 .74 20.4 6.0 1.10 .47 .62 .76 19.3 5.7 1.30 .48 .63 .78(22�C)
740 350 23.4 6.9 .78 .47 .62 .76 22.4 6.6 .93 .48 .63 .78 21.2 6.2 1.10 .48 .65 .80 20.0 5.9 1.30 .49 .66 .83
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−38B−6F + G60UHV−36B−090][C33−38B + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F825 390 25.4 7.4 1.29 .78 .93 1.00 24.2 7.1 1.50 .80 .96 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.02 .85 1.00 1.00
63�F(17�C)
825 390 25.4 7.4 1.29 .78 .93 1.00 24.2 7.1 1.50 .80 .96 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.02 .85 1.00 1.00(17�C)
1035 490 26.8 7.9 1.29 .84 1.00 1.00 25.6 7.5 1.51 .86 1.00 1.00 24.2 7.1 1.75 .89 1.00 1.00 23.0 6.7 2.02 .92 1.00 1.00
67�F825 390 26.8 7.9 1.29 .62 .76 .90 25.4 7.4 1.51 .63 .78 .93 24.2 7.1 1.75 .64 .80 .95 22.6 6.6 2.02 .66 .83 .98
67�F(19�C)
825 390 26.8 7.9 1.29 .62 .76 .90 25.4 7.4 1.51 .63 .78 .93 24.2 7.1 1.75 .64 .80 .95 22.6 6.6 2.02 .66 .83 .98(19�C)
1035 490 28.0 8.2 1.30 .65 .82 .97 26.6 7.8 1.51 .66 .84 .99 25.0 7.3 1.74 .68 .87 1.00 23.4 6.9 2.02 .70 .90 1.00
71�F825 390 28.0 8.2 1.30 .47 .61 .74 26.6 7.8 1.51 .47 .62 .75 25.2 7.4 1.75 .48 .63 .78 23.8 7.0 2.03 .48 .64 .80
71�F(22�C)
825 390 28.0 8.2 1.30 .47 .61 .74 26.6 7.8 1.51 .47 .62 .75 25.2 7.4 1.75 .48 .63 .78 23.8 7.0 2.03 .48 .64 .80(22�C)
1035 490 29.2 8.6 1.30 .48 .64 .79 27.8 8.1 1.52 .49 .65 .82 26.4 7.7 1.76 .49 .67 .84 24.8 7.3 2.02 .50 .69 .87
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 2 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 33
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−38B−6F + G61MPV−36B−045][C33−38B + G61MPV−36B−045]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F610 290 20.6 6.0 .77 .77 .91 1.00 19.6 5.7 .93 .79 .94 1.00 18.6 5.5 1.10 .81 .96 1.00 17.5 5.1 1.30 .83 .99 1.00
63�F(17�C)
610 290 20.6 6.0 .77 .77 .91 1.00 19.6 5.7 .93 .79 .94 1.00 18.6 5.5 1.10 .81 .96 1.00 17.5 5.1 1.30 .83 .99 1.00(17�C)
725 340 21.4 6.3 .78 .81 .97 1.00 20.4 6.0 .93 .83 .99 1.00 19.5 5.7 1.10 .85 1.00 1.00 18.5 5.4 1.30 .88 1.00 1.00
67�F610 290 22.0 6.4 .78 .60 .74 .87 21.0 6.2 .93 .61 .76 .90 19.9 5.8 1.10 .62 .78 .92 18.7 5.5 1.30 .64 .80 .95
67�F(19�C)
610 290 22.0 6.4 .78 .60 .74 .87 21.0 6.2 .93 .61 .76 .90 19.9 5.8 1.10 .62 .78 .92 18.7 5.5 1.30 .64 .80 .95(19�C)
725 340 22.8 6.7 .78 .63 .78 .93 21.8 6.4 .93 .64 .80 .95 20.6 6.0 1.10 .64 .82 .98 19.4 5.7 1.30 .67 .85 1.00
71�F610 290 23.4 6.9 .78 .46 .59 .71 22.4 6.6 .93 .46 .60 .73 21.2 6.2 1.10 .47 .61 .75 20.0 5.9 1.30 .47 .62 .77
71�F(22�C)
610 290 23.4 6.9 .78 .46 .59 .71 22.4 6.6 .93 .46 .60 .73 21.2 6.2 1.10 .47 .61 .75 20.0 5.9 1.30 .47 .62 .77(22�C)
725 340 24.2 7.1 .79 .47 .61 .75 23.2 6.8 .94 .47 .62 .77 22.0 6.4 1.10 .47 .63 .79 20.8 6.1 1.30 .48 .65 .82
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−38B−6F + G61MPV−36B−045][C33−38B + G61MPV−36B−045]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F840 395 26.2 7.7 1.29 .79 .94 1.00 25.0 7.3 1.51 .80 .96 1.00 23.6 6.9 1.74 .83 .99 1.00 22.2 6.5 2.02 .85 1.00 1.00
63�F(17�C)
840 395 26.2 7.7 1.29 .79 .94 1.00 25.0 7.3 1.51 .80 .96 1.00 23.6 6.9 1.74 .83 .99 1.00 22.2 6.5 2.02 .85 1.00 1.00(17�C)
1050 495 27.4 8.0 1.30 .84 1.00 1.00 26.2 7.7 1.51 .87 1.00 1.00 25.0 7.3 1.75 .89 1.00 1.00 23.6 6.9 2.02 .93 1.00 1.00
67�F840 395 27.8 8.1 1.30 .62 .76 .90 26.4 7.7 1.51 .63 .78 .93 24.8 7.3 1.75 .64 .80 .96 23.2 6.8 2.02 .65 .83 .99
67�F(19�C)
840 395 27.8 8.1 1.30 .62 .76 .90 26.4 7.7 1.51 .63 .78 .93 24.8 7.3 1.75 .64 .80 .96 23.2 6.8 2.02 .65 .83 .99(19�C)
1050 495 29.0 8.5 1.30 .65 .82 .98 27.4 8.0 1.52 .67 .85 1.00 25.8 7.6 1.75 .68 .87 1.00 24.2 7.1 2.02 .70 .91 1.00
71�F840 395 29.2 8.6 1.31 .46 .60 .74 27.8 8.1 1.52 .47 .61 .76 26.4 7.7 1.76 .47 .63 .77 24.6 7.2 2.02 .48 .64 .80
71�F(22�C)
840 395 29.2 8.6 1.31 .46 .60 .74 27.8 8.1 1.52 .47 .61 .76 26.4 7.7 1.76 .47 .63 .77 24.6 7.2 2.02 .48 .64 .80(22�C)
1050 495 30.4 8.9 1.31 .48 .64 .80 29.0 8.5 1.52 .48 .65 .82 27.4 8.0 1.76 .49 .67 .85 25.6 7.5 2.03 .50 .69 .88
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−38B−6F + G61MPV−36B−070][C33−38B + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F625 295 20.8 6.1 .77 .78 .92 1.00 19.8 5.8 .93 .79 .94 1.00 18.7 5.5 1.10 .81 .97 1.00 17.6 5.2 1.30 .83 1.00 1.00
63�F(17�C)
625 295 20.8 6.1 .77 .78 .92 1.00 19.8 5.8 .93 .79 .94 1.00 18.7 5.5 1.10 .81 .97 1.00 17.6 5.2 1.30 .83 1.00 1.00(17�C)
725 340 21.4 6.3 .78 .81 .97 1.00 20.4 6.0 .93 .83 .99 1.00 19.5 5.7 1.10 .85 1.00 1.00 18.5 5.4 1.30 .88 1.00 1.00
67�F625 295 22.0 6.4 .78 .61 .75 .88 21.0 6.2 .93 .62 .76 .90 20.0 5.9 1.10 .63 .78 .93 18.8 5.5 1.30 .64 .80 .96
67�F(19�C)
625 295 22.0 6.4 .78 .61 .75 .88 21.0 6.2 .93 .62 .76 .90 20.0 5.9 1.10 .63 .78 .93 18.8 5.5 1.30 .64 .80 .96(19�C)
725 340 22.8 6.7 .78 .63 .78 .93 21.8 6.4 .93 .64 .80 .95 20.6 6.0 1.10 .65 .82 .98 19.4 5.7 1.30 .67 .85 1.00
71�F625 295 23.4 6.9 .78 .46 .59 .72 22.4 6.6 .93 .46 .60 .73 21.4 6.3 1.10 .47 .61 .75 20.2 5.9 1.30 .47 .62 .77
71�F(22�C)
625 295 23.4 6.9 .78 .46 .59 .72 22.4 6.6 .93 .46 .60 .73 21.4 6.3 1.10 .47 .61 .75 20.2 5.9 1.30 .47 .62 .77(22�C)
725 340 24.2 7.1 .79 .47 .61 .75 23.2 6.8 .94 .47 .62 .77 22.0 6.4 1.10 .47 .63 .79 20.8 6.1 1.30 .48 .65 .82
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−38B−6F + G61MPV−36B−070][C33−38B + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F830 390 26.2 7.7 1.29 .78 .93 1.00 24.8 7.3 1.51 .80 .96 1.00 23.4 6.9 1.74 .82 .99 1.00 22.0 6.4 2.02 .85 1.00 1.00
63�F(17�C)
830 390 26.2 7.7 1.29 .78 .93 1.00 24.8 7.3 1.51 .80 .96 1.00 23.4 6.9 1.74 .82 .99 1.00 22.0 6.4 2.02 .85 1.00 1.00(17�C)
1020 480 27.2 8.0 1.30 .83 1.00 1.00 26.0 7.6 1.51 .86 1.00 1.00 24.8 7.3 1.75 .88 1.00 1.00 23.4 6.9 2.02 .92 1.00 1.00
67�F830 390 27.6 8.1 1.30 .62 .76 .90 26.4 7.7 1.51 .63 .78 .93 24.8 7.3 1.75 .64 .80 .95 23.2 6.8 2.02 .65 .83 .99
67�F(19�C)
830 390 27.6 8.1 1.30 .62 .76 .90 26.4 7.7 1.51 .63 .78 .93 24.8 7.3 1.75 .64 .80 .95 23.2 6.8 2.02 .65 .83 .99(19�C)
1020 480 28.6 8.4 1.30 .65 .81 .97 27.4 8.0 1.52 .65 .83 .99 25.8 7.6 1.75 .68 .86 1.00 24.0 7.0 2.02 .69 .89 1.00
71�F830 390 29.2 8.6 1.31 .46 .60 .74 27.8 8.1 1.52 .47 .61 .75 26.2 7.7 1.76 .47 .62 .77 24.6 7.2 2.02 .47 .64 .80
71�F(22�C)
830 390 29.2 8.6 1.31 .46 .60 .74 27.8 8.1 1.52 .47 .61 .75 26.2 7.7 1.76 .47 .62 .77 24.6 7.2 2.02 .47 .64 .80(22�C)
1020 480 30.4 8.9 1.31 .47 .63 .79 28.8 8.4 1.52 .48 .64 .81 27.2 8.0 1.76 .48 .67 .84 25.4 7.4 2.03 .49 .68 .87
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 2 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 34
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−42B−6F + G60UHV−36B−090][C33−42B + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F625 295 20.2 5.9 .77 .78 .92 1.00 19.4 5.7 .93 .79 .94 1.00 18.4 5.4 1.10 .81 .97 1.00 17.4 5.1 1.30 .84 1.00 1.00
63�F(17�C)
625 295 20.2 5.9 .77 .78 .92 1.00 19.4 5.7 .93 .79 .94 1.00 18.4 5.4 1.10 .81 .97 1.00 17.4 5.1 1.30 .84 1.00 1.00(17�C)
740 350 21.2 6.2 .78 .82 .97 1.00 20.2 5.9 .93 .83 .99 1.00 19.3 5.7 1.10 .86 1.00 1.00 18.3 5.4 1.30 .89 1.00 1.00
67�F625 295 21.4 6.3 .78 .61 .75 .89 20.4 6.0 .93 .62 .77 .91 19.5 5.7 1.10 .63 .79 .93 18.3 5.4 1.30 .65 .81 .96
67�F(19�C)
625 295 21.4 6.3 .78 .61 .75 .89 20.4 6.0 .93 .62 .77 .91 19.5 5.7 1.10 .63 .79 .93 18.3 5.4 1.30 .65 .81 .96(19�C)
740 350 22.2 6.5 .78 .64 .79 .94 21.2 6.2 .93 .65 .81 .96 20.2 5.9 1.10 .66 .83 .99 19.0 5.6 1.30 .68 .86 1.00
71�F625 295 22.4 6.6 .78 .46 .60 .73 21.6 6.3 .93 .47 .61 .74 20.4 6.0 1.10 .47 .62 .76 19.3 5.7 1.30 .48 .63 .78
71�F(22�C)
625 295 22.4 6.6 .78 .46 .60 .73 21.6 6.3 .93 .47 .61 .74 20.4 6.0 1.10 .47 .62 .76 19.3 5.7 1.30 .48 .63 .78(22�C)
740 350 23.4 6.9 .78 .47 .62 .76 22.4 6.6 .93 .48 .63 .78 21.2 6.2 1.10 .48 .65 .80 20.0 5.9 1.30 .49 .66 .83
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−42B−6F + G60UHV−36B−090][C33−42B + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F825 390 25.4 7.4 1.29 .78 .93 1.00 24.2 7.1 1.50 .80 .96 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.02 .85 1.00 1.00
63�F(17�C)
825 390 25.4 7.4 1.29 .78 .93 1.00 24.2 7.1 1.50 .80 .96 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.02 .85 1.00 1.00(17�C)
1035 490 26.8 7.9 1.29 .84 1.00 1.00 25.6 7.5 1.51 .86 1.00 1.00 24.2 7.1 1.75 .89 1.00 1.00 23.0 6.7 2.02 .92 1.00 1.00
67�F825 390 26.8 7.9 1.29 .62 .76 .90 25.4 7.4 1.51 .63 .78 .93 24.2 7.1 1.75 .64 .80 .95 22.6 6.6 2.02 .66 .83 .98
67�F(19�C)
825 390 26.8 7.9 1.29 .62 .76 .90 25.4 7.4 1.51 .63 .78 .93 24.2 7.1 1.75 .64 .80 .95 22.6 6.6 2.02 .66 .83 .98(19�C)
1035 490 28.0 8.2 1.30 .65 .82 .97 26.6 7.8 1.51 .66 .84 .99 25.0 7.3 1.74 .68 .87 1.00 23.4 6.9 2.02 .70 .90 1.00
71�F825 390 28.0 8.2 1.30 .47 .61 .74 26.6 7.8 1.51 .47 .62 .75 25.2 7.4 1.75 .48 .63 .78 23.8 7.0 2.03 .48 .64 .80
71�F(22�C)
825 390 28.0 8.2 1.30 .47 .61 .74 26.6 7.8 1.51 .47 .62 .75 25.2 7.4 1.75 .48 .63 .78 23.8 7.0 2.03 .48 .64 .80(22�C)
1035 490 29.2 8.6 1.30 .48 .64 .79 27.8 8.1 1.52 .49 .65 .82 26.4 7.7 1.76 .49 .67 .84 24.8 7.3 2.02 .50 .69 .87
FIRST STAGE COOLING CAPACITY − XC21−024 with [CX34−42B−6F + G61MPV−36B−045][C33−42B + G61MPV−36B−045]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F610 290 20.2 5.9 .77 .77 .92 1.00 19.3 5.7 .93 .79 .94 1.00 18.3 5.4 1.10 .81 .96 1.00 17.3 5.1 1.31 .83 .99 1.00
63�F(17�C)
610 290 20.2 5.9 .77 .77 .92 1.00 19.3 5.7 .93 .79 .94 1.00 18.3 5.4 1.10 .81 .96 1.00 17.3 5.1 1.31 .83 .99 1.00(17�C)
725 340 21.0 6.2 .78 .81 .97 1.00 20.2 5.9 .93 .83 .99 1.00 19.2 5.6 1.10 .85 1.00 1.00 18.2 5.3 1.30 .88 1.00 1.00
67�F610 290 21.2 6.2 .78 .61 .75 .88 20.4 6.0 .93 .62 .76 .90 19.3 5.7 1.10 .63 .78 .93 18.3 5.4 1.30 .64 .80 .96
67�F(19�C)
610 290 21.2 6.2 .78 .61 .75 .88 20.4 6.0 .93 .62 .76 .90 19.3 5.7 1.10 .63 .78 .93 18.3 5.4 1.30 .64 .80 .96(19�C)
725 340 22.2 6.5 .78 .63 .78 .93 21.2 6.2 .93 .64 .80 .95 20.2 5.9 1.10 .66 .82 .98 18.9 5.5 1.30 .67 .85 1.00
71�F610 290 22.2 6.5 .78 .46 .59 .72 21.4 6.3 .93 .47 .60 .73 20.4 6.0 1.10 .47 .62 .75 19.2 5.6 1.30 .47 .63 .77
71�F(22�C)
610 290 22.2 6.5 .78 .46 .59 .72 21.4 6.3 .93 .47 .60 .73 20.4 6.0 1.10 .47 .62 .75 19.2 5.6 1.30 .47 .63 .77(22�C)
725 340 23.2 6.8 .78 .47 .62 .76 22.2 6.5 .93 .48 .63 .78 21.2 6.2 1.10 .48 .64 .80 20.0 5.9 1.30 .49 .66 .82
SECOND STAGE COOLING CAPACITY − XC21−024 with [CX34−42B−6F + G61MPV−36B−045][C33−42B + G61MPV−36B−045]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F840 395 25.6 7.5 1.29 .79 .94 1.00 24.4 7.2 1.50 .81 .96 1.00 23.0 6.7 1.74 .83 .99 1.00 21.8 6.4 2.02 .85 1.00 1.00
63�F(17�C)
840 395 25.6 7.5 1.29 .79 .94 1.00 24.4 7.2 1.50 .81 .96 1.00 23.0 6.7 1.74 .83 .99 1.00 21.8 6.4 2.02 .85 1.00 1.00(17�C)
1050 495 26.8 7.9 1.30 .84 1.00 1.00 25.6 7.5 1.51 .87 1.00 1.00 24.4 7.2 1.75 .89 1.00 1.00 23.0 6.7 2.02 .93 1.00 1.00
67�F840 395 26.8 7.9 1.30 .62 .76 .91 25.6 7.5 1.51 .63 .78 .93 24.2 7.1 1.75 .64 .80 .96 22.8 6.7 2.03 .66 .83 .99
67�F(19�C)
840 395 26.8 7.9 1.30 .62 .76 .91 25.6 7.5 1.51 .63 .78 .93 24.2 7.1 1.75 .64 .80 .96 22.8 6.7 2.03 .66 .83 .99(19�C)
1050 495 28.0 8.2 1.30 .65 .82 .98 26.6 7.8 1.51 .67 .84 1.00 25.2 7.4 1.75 .68 .87 1.00 23.6 6.9 2.03 .70 .90 1.00
71�F840 395 28.0 8.2 1.30 .47 .61 .74 26.8 7.9 1.51 .47 .62 .76 25.4 7.4 1.75 .48 .63 .78 23.8 7.0 2.03 .48 .65 .81
71�F(22�C)
840 395 28.0 8.2 1.30 .47 .61 .74 26.8 7.9 1.51 .47 .62 .76 25.4 7.4 1.75 .48 .63 .78 23.8 7.0 2.03 .48 .65 .81(22�C)
1050 495 29.4 8.6 1.30 .48 .64 .80 28.0 8.2 1.52 .49 .66 .82 26.4 7.7 1.75 .49 .67 .85 24.8 7.3 2.02 .50 .69 .88
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 2 TON
DOWN−FLOW INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 35
FIRST STAGE COOLING CAPACITY − XC21−024 with [CR26−30N−2F]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F460 215 18.5 5.4 .77 .72 .84 .95 17.8 5.2 .92 .73 .85 .97 16.9 5.0 1.10 .74 .87 .99 15.9 4.7 1.30 .76 .90 1.00
63�F(17�C)
560 265 19.5 5.7 .77 .75 .88 1.00 18.7 5.5 .92 .76 .90 1.00 17.8 5.2 1.10 .78 .93 1.00 16.8 4.9 1.31 .80 .96 1.00(17�C)
660 310 20.4 6.0 .77 .78 .93 1.00 19.5 5.7 .93 .80 .95 1.00 18.5 5.4 1.10 .82 .98 1.00 17.4 5.1 1.30 .85 1.00 1.00
67�F460 215 19.8 5.8 .77 .57 .69 .80 19.0 5.6 .93 .58 .70 .81 18.1 5.3 1.10 .59 .71 .83 17.1 5.0 1.30 .60 .73 .86
67�F(19�C)
560 265 20.8 6.1 .78 .59 .72 .85 20.0 5.9 .93 .60 .74 .87 19.0 5.6 1.10 .61 .75 .89 17.9 5.2 1.30 .62 .77 .92(19�C)
660 310 21.6 6.3 .78 .61 .75 .89 20.6 6.0 .93 .62 .77 .91 19.7 5.8 1.10 .63 .79 .94 18.5 5.4 1.30 .65 .82 .97
71�F460 215 21.0 6.2 .77 .45 .56 .66 20.2 5.9 .93 .45 .56 .67 19.2 5.6 1.10 .45 .57 .68 18.1 5.3 1.30 .45 .58 .70
71�F(22�C)
560 265 22.0 6.4 .78 .45 .58 .69 21.2 6.2 .93 .45 .58 .71 20.2 5.9 1.10 .46 .59 .72 19.0 5.6 1.30 .47 .61 .74(22�C)
660 310 23.0 6.7 .78 .47 .60 .73 22.0 6.4 .93 .47 .61 .74 20.8 6.1 1.10 .47 .62 .76 19.7 5.8 1.30 .48 .63 .79
SECOND STAGE COOLING CAPACITY − XC21−024 with [CR26−30N−2F]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F600 285 23.4 6.9 1.28 .72 .84 .95 22.4 6.6 1.50 .73 .86 .98 21.2 6.2 1.75 .74 .88 .99 19.9 5.8 2.01 .76 .91 1.00
63�F(17�C)
800 380 25.0 7.3 1.29 .77 .91 1.00 23.8 7.0 1.51 .79 .94 1.00 22.6 6.6 1.75 .81 .96 1.00 21.2 6.2 2.02 .83 .99 1.00(17�C)
1000 470 26.2 7.7 1.29 .82 .98 1.00 24.8 7.3 1.51 .84 .99 1.00 23.6 6.9 1.75 .87 1.00 1.00 22.4 6.6 2.02 .90 1.00 1.00
67�F600 285 24.8 7.3 1.29 .58 .69 .81 23.8 7.0 1.50 .58 .70 .82 22.4 6.6 1.74 .59 .72 .84 21.2 6.2 2.01 .60 .74 .87
67�F(19�C)
800 380 26.4 7.7 1.29 .61 .74 .88 25.2 7.4 1.51 .62 .76 .90 23.8 7.0 1.75 .63 .78 .93 22.4 6.6 2.02 .64 .81 .96(19�C)
1000 470 27.4 8.0 1.30 .64 .80 .95 26.2 7.7 1.51 .65 .82 .97 24.6 7.2 1.74 .67 .85 .99 23.2 6.8 2.01 .68 .87 1.00
71�F600 285 26.2 7.7 1.29 .45 .56 .67 25.0 7.3 1.51 .45 .57 .68 23.8 7.0 1.74 .45 .58 .69 22.4 6.6 2.02 .46 .59 .71
71�F(22�C)
800 380 27.8 8.1 1.30 .46 .59 .72 26.6 7.8 1.51 .45 .60 .74 25.2 7.4 1.75 .47 .62 .76 23.6 6.9 2.02 .48 .63 .78(22�C)
1000 470 29.0 8.5 1.30 .47 .63 .78 27.6 8.1 1.52 .48 .64 .79 26.0 7.6 1.76 .49 .66 .82 24.4 7.2 2.02 .49 .68 .85
FIRST STAGE COOLING CAPACITY − XC21−024 with [CR26−36N/W−2F]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F460 215 18.9 5.5 .77 .71 .83 .95 18.1 5.3 .93 .73 .85 .97 17.2 5.0 1.10 .74 .87 1.00 16.1 4.7 1.30 .76 .90 1.00
63�F(17�C)
560 265 19.9 5.8 .77 .75 .88 1.00 19.1 5.6 .92 .76 .91 1.00 18.1 5.3 1.10 .78 .93 1.00 17.0 5.0 1.30 .80 .96 1.00(17�C)
660 310 20.8 6.1 .78 .79 .94 1.00 19.9 5.8 .93 .80 .96 1.00 18.8 5.5 1.09 .82 .99 1.00 17.8 5.2 1.30 .85 1.00 1.00
67�F460 215 20.2 5.9 .77 .57 .69 .80 19.3 5.7 .93 .58 .70 .82 18.4 5.4 1.10 .59 .71 .84 17.3 5.1 1.30 .59 .73 .86
67�F(19�C)
560 265 21.2 6.2 .78 .59 .72 .85 20.4 6.0 .93 .60 .74 .87 19.4 5.7 1.10 .61 .75 .89 18.2 5.3 1.30 .62 .78 .92(19�C)
660 310 22.2 6.5 .78 .62 .76 .90 21.2 6.2 .93 .63 .78 .92 20.0 5.9 1.10 .64 .80 .95 18.8 5.5 1.30 .65 .82 .98
71�F460 215 21.4 6.3 .78 .44 .55 .66 20.6 6.0 .93 .44 .56 .67 19.5 5.7 1.10 .44 .56 .68 18.5 5.4 1.30 .45 .58 .70
71�F(22�C)
560 265 22.6 6.6 .78 .45 .58 .70 21.6 6.3 .93 .46 .58 .71 20.6 6.0 1.10 .46 .59 .72 19.4 5.7 1.30 .46 .61 .75(22�C)
660 310 23.6 6.9 .78 .46 .60 .73 22.4 6.6 .93 .47 .61 .75 21.4 6.3 1.10 .47 .62 .77 20.0 5.9 1.30 .48 .63 .79
SECOND STAGE COOLING CAPACITY − XC21−024 with [CR26−36N/W−2F]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F600 285 24.0 7.0 1.29 .72 .84 .96 22.8 6.7 1.50 .73 .86 .98 21.6 6.3 1.74 .75 .89 1.00 20.2 5.9 2.00 .76 .91 1.00
63�F(17�C)
800 380 25.6 7.5 1.29 .77 .92 1.00 24.4 7.2 1.51 .79 .95 1.00 23.0 6.7 1.74 .81 .98 1.00 21.6 6.3 2.01 .84 1.00 1.00(17�C)
1000 470 26.8 7.9 1.29 .83 .99 1.00 25.4 7.4 1.51 .85 1.00 1.00 24.2 7.1 1.75 .88 1.00 1.00 23.0 6.7 2.02 .91 1.00 1.00
67�F600 285 25.4 7.4 1.29 .58 .69 .81 24.2 7.1 1.50 .58 .70 .82 23.0 6.7 1.75 .59 .72 .85 21.6 6.3 2.01 .60 .74 .88
67�F(19�C)
800 380 27.0 7.9 1.29 .61 .75 .89 25.8 7.6 1.51 .62 .77 .91 24.4 7.2 1.75 .63 .79 .94 22.8 6.7 2.02 .65 .82 .97(19�C)
1000 470 28.2 8.3 1.30 .64 .81 .96 26.8 7.9 1.51 .66 .83 .99 25.2 7.4 1.75 .67 .86 1.00 23.6 6.9 2.02 .69 .89 1.00
71�F600 285 26.8 7.9 1.29 .44 .56 .67 25.6 7.5 1.51 .45 .56 .68 24.2 7.1 1.75 .45 .57 .70 22.8 6.7 2.02 .45 .59 .71
71�F(22�C)
800 380 28.6 8.4 1.30 .46 .60 .73 27.2 8.0 1.52 .46 .61 .74 25.6 7.5 1.76 .47 .62 .77 24.2 7.1 2.02 .48 .63 .79(22�C)
1000 470 29.8 8.7 1.31 .47 .63 .79 28.2 8.3 1.52 .48 .65 .81 26.6 7.8 1.75 .48 .66 .83 25.0 7.3 2.03 .49 .68 .86
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 2 TON
DOWN−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 36
FIRST STAGE COOLING CAPACITY − XC21−024 with [CR26−30N−2F + G60DFV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F695 330 20.6 6.0 .77 .79 .94 1.00 19.7 5.8 .93 .81 .96 1.00 18.7 5.5 1.10 .83 .99 1.00 17.7 5.2 1.31 .86 1.00 1.00
63�F(17�C)
695 330 20.6 6.0 .77 .79 .94 1.00 19.7 5.8 .93 .81 .96 1.00 18.7 5.5 1.10 .83 .99 1.00 17.7 5.2 1.31 .86 1.00 1.00(17�C)
800 380 21.2 6.2 .78 .83 .98 1.00 20.4 6.0 .93 .85 1.00 1.00 19.4 5.7 1.10 .87 1.00 1.00 18.4 5.4 1.30 .90 1.00 1.00
67�F695 330 21.8 6.4 .78 .62 .77 .91 21.0 6.2 .93 .63 .78 .93 19.8 5.8 1.10 .64 .80 .95 18.7 5.5 1.30 .66 .83 .98
67�F(19�C)
695 330 21.8 6.4 .78 .62 .77 .91 21.0 6.2 .93 .63 .78 .93 19.8 5.8 1.10 .64 .80 .95 18.7 5.5 1.30 .66 .83 .98(19�C)
800 380 22.4 6.6 .78 .64 .80 .95 21.4 6.3 .93 .65 .82 .97 20.4 6.0 1.10 .67 .84 .99 19.1 5.6 1.30 .68 .87 1.00
71�F695 330 23.2 6.8 .78 .46 .61 .74 22.2 6.5 .93 .47 .62 .75 21.0 6.2 1.10 .47 .63 .78 19.9 5.8 1.30 .48 .64 .80
71�F(22�C)
695 330 23.2 6.8 .78 .46 .61 .74 22.2 6.5 .93 .47 .62 .75 21.0 6.2 1.10 .47 .63 .78 19.9 5.8 1.30 .48 .64 .80(22�C)
800 380 23.8 7.0 .79 .46 .63 .78 22.8 6.7 .93 .47 .64 .79 21.6 6.3 1.10 .49 .65 .82 20.4 6.0 1.30 .49 .67 .84
SECOND STAGE COOLING CAPACITY − XC21−024 with [CR26−30N−2F + G60DFV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F920 435 25.8 7.6 1.29 .80 .95 1.00 24.6 7.2 1.50 .82 .98 1.00 23.2 6.8 1.74 .84 1.00 1.00 21.8 6.4 2.02 .87 1.00 1.00
63�F(17�C)
920 435 25.8 7.6 1.29 .80 .95 1.00 24.6 7.2 1.50 .82 .98 1.00 23.2 6.8 1.74 .84 1.00 1.00 21.8 6.4 2.02 .87 1.00 1.00(17�C)
1135 535 26.8 7.9 1.29 .86 1.00 1.00 25.6 7.5 1.51 .88 1.00 1.00 24.4 7.2 1.74 .90 1.00 1.00 23.0 6.7 2.02 .94 1.00 1.00
67�F920 435 27.2 8.0 1.30 .63 .78 .92 25.8 7.6 1.51 .64 .80 .94 24.4 7.2 1.75 .65 .82 .97 22.8 6.7 2.01 .67 .85 1.00
67�F(19�C)
920 435 27.2 8.0 1.30 .63 .78 .92 25.8 7.6 1.51 .64 .80 .94 24.4 7.2 1.75 .65 .82 .97 22.8 6.7 2.01 .67 .85 1.00(19�C)
1135 535 28.0 8.2 1.30 .66 .83 .98 26.6 7.8 1.51 .67 .86 1.00 25.2 7.4 1.75 .69 .88 1.00 23.6 6.9 2.03 .71 .91 1.00
71�F920 435 28.6 8.4 1.30 .47 .61 .75 27.2 8.0 1.51 .48 .62 .78 25.8 7.6 1.75 .48 .64 .79 24.2 7.1 2.03 .48 .66 .82
71�F(22�C)
920 435 28.6 8.4 1.30 .47 .61 .75 27.2 8.0 1.51 .48 .62 .78 25.8 7.6 1.75 .48 .64 .79 24.2 7.1 2.03 .48 .66 .82(22�C)
1135 535 29.6 8.7 1.30 .48 .65 .81 28.0 8.2 1.52 .49 .66 .84 26.6 7.8 1.75 .50 .68 .86 24.8 7.3 2.03 .51 .70 .89
FIRST STAGE COOLING CAPACITY − XC21−024 with [CR26−36N−2F + G60DFV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F695 330 21.2 6.2 .77 .80 .95 1.00 20.2 5.9 .93 .82 .98 1.00 19.1 5.6 1.10 .83 1.00 1.00 18.1 5.3 1.30 .87 1.00 1.00
63�F(17�C)
695 330 21.2 6.2 .77 .80 .95 1.00 20.2 5.9 .93 .82 .98 1.00 19.1 5.6 1.10 .83 1.00 1.00 18.1 5.3 1.30 .87 1.00 1.00(17�C)
800 380 21.8 6.4 .78 .84 .99 1.00 20.8 6.1 .93 .86 1.00 1.00 19.9 5.8 1.10 .88 1.00 1.00 18.9 5.5 1.30 .91 1.00 1.00
67�F695 330 22.4 6.6 .78 .62 .77 .92 21.4 6.3 .93 .63 .79 .94 20.2 5.9 1.10 .64 .81 .97 19.0 5.6 1.30 .66 .84 .99
67�F(19�C)
695 330 22.4 6.6 .78 .62 .77 .92 21.4 6.3 .93 .63 .79 .94 20.2 5.9 1.10 .64 .81 .97 19.0 5.6 1.30 .66 .84 .99(19�C)
800 380 23.0 6.7 .78 .64 .81 .96 22.0 6.4 .93 .65 .83 .99 20.8 6.1 1.10 .67 .85 1.00 19.6 5.7 1.30 .69 .88 1.00
71�F695 330 23.8 7.0 .79 .46 .61 .75 22.8 6.7 .93 .47 .62 .76 21.6 6.3 1.10 .47 .63 .78 20.4 6.0 1.30 .48 .64 .81
71�F(22�C)
695 330 23.8 7.0 .79 .46 .61 .75 22.8 6.7 .93 .47 .62 .76 21.6 6.3 1.10 .47 .63 .78 20.4 6.0 1.30 .48 .64 .81(22�C)
800 380 24.4 7.2 .79 .47 .63 .78 23.4 6.9 .94 .48 .64 .80 22.2 6.5 1.11 .48 .66 .83 20.8 6.1 1.30 .49 .68 .85
SECOND STAGE COOLING CAPACITY − XC21−024 with [CR26−36N−2F + G60DFV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F920 435 26.4 7.7 1.29 .81 .97 1.00 25.0 7.3 1.51 .83 .99 1.00 23.6 6.9 1.75 .85 1.00 1.00 22.4 6.6 2.02 .88 1.00 1.00
63�F(17�C)
920 435 26.4 7.7 1.29 .81 .97 1.00 25.0 7.3 1.51 .83 .99 1.00 23.6 6.9 1.75 .85 1.00 1.00 22.4 6.6 2.02 .88 1.00 1.00(17�C)
1135 535 27.6 8.1 1.30 .87 1.00 1.00 26.2 7.7 1.51 .89 1.00 1.00 25.0 7.3 1.75 .92 1.00 1.00 23.6 6.9 2.03 .95 1.00 1.00
67�F920 435 27.8 8.1 1.30 .63 .79 .93 26.4 7.7 1.51 .64 .81 .96 25.0 7.3 1.74 .66 .83 .99 23.4 6.9 2.03 .67 .86 1.00
67�F(19�C)
920 435 27.8 8.1 1.30 .63 .79 .93 26.4 7.7 1.51 .64 .81 .96 25.0 7.3 1.74 .66 .83 .99 23.4 6.9 2.03 .67 .86 1.00(19�C)
1135 535 28.6 8.4 1.30 .67 .85 1.00 27.2 8.0 1.51 .68 .87 1.00 25.8 7.6 1.75 .70 .90 1.00 24.2 7.1 2.03 .72 .93 1.00
71�F920 435 29.4 8.6 1.31 .47 .62 .76 27.8 8.1 1.52 .47 .63 .78 26.4 7.7 1.76 .48 .65 .81 24.6 7.2 2.02 .49 .66 .84
71�F(22�C)
920 435 29.4 8.6 1.31 .47 .62 .76 27.8 8.1 1.52 .47 .63 .78 26.4 7.7 1.76 .48 .65 .81 24.6 7.2 2.02 .49 .66 .84(22�C)
1135 535 30.4 8.9 1.31 .49 .66 .82 28.8 8.4 1.52 .49 .67 .85 27.2 8.0 1.76 .50 .69 .88 25.4 7.4 2.03 .51 .71 .91
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 2 TON
DOWN−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 37
FIRST STAGE COOLING CAPACITY − XC21−024 with [CR26−48N−2F + G60DFV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F695 330 21.2 6.2 .77 .80 .95 1.00 20.2 5.9 .93 .82 .98 1.00 19.1 5.6 1.10 .83 1.00 1.00 18.1 5.3 1.30 .87 1.00 1.00
63�F(17�C)
695 330 21.2 6.2 .77 .80 .95 1.00 20.2 5.9 .93 .82 .98 1.00 19.1 5.6 1.10 .83 1.00 1.00 18.1 5.3 1.30 .87 1.00 1.00(17�C)
800 380 21.8 6.4 .78 .84 .99 1.00 20.8 6.1 .93 .86 1.00 1.00 19.9 5.8 1.10 .88 1.00 1.00 18.9 5.5 1.30 .91 1.00 1.00
67�F695 330 22.4 6.6 .78 .62 .77 .92 21.4 6.3 .93 .63 .79 .94 20.2 5.9 1.10 .64 .81 .97 19.0 5.6 1.30 .66 .84 .99
67�F(19�C)
695 330 22.4 6.6 .78 .62 .77 .92 21.4 6.3 .93 .63 .79 .94 20.2 5.9 1.10 .64 .81 .97 19.0 5.6 1.30 .66 .84 .99(19�C)
800 380 23.0 6.7 .78 .64 .81 .96 22.0 6.4 .93 .65 .83 .99 20.8 6.1 1.10 .67 .85 1.00 19.6 5.7 1.30 .69 .88 1.00
71�F695 330 23.8 7.0 .79 .46 .61 .75 22.8 6.7 .93 .47 .62 .76 21.6 6.3 1.10 .47 .63 .78 20.4 6.0 1.30 .48 .64 .81
71�F(22�C)
695 330 23.8 7.0 .79 .46 .61 .75 22.8 6.7 .93 .47 .62 .76 21.6 6.3 1.10 .47 .63 .78 20.4 6.0 1.30 .48 .64 .81(22�C)
800 380 24.4 7.2 .79 .47 .63 .78 23.4 6.9 .94 .48 .64 .80 22.2 6.5 1.11 .48 .66 .83 20.8 6.1 1.30 .49 .68 .85
SECOND STAGE COOLING CAPACITY − XC21−024 with [CR26−48N−2F + G60DFV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F920 435 26.4 7.7 1.29 .81 .97 1.00 25.0 7.3 1.51 .83 .99 1.00 23.6 6.9 1.75 .85 1.00 1.00 22.4 6.6 2.02 .88 1.00 1.00
63�F(17�C)
920 435 26.4 7.7 1.29 .81 .97 1.00 25.0 7.3 1.51 .83 .99 1.00 23.6 6.9 1.75 .85 1.00 1.00 22.4 6.6 2.02 .88 1.00 1.00(17�C)
1135 535 27.6 8.1 1.30 .87 1.00 1.00 26.2 7.7 1.51 .89 1.00 1.00 25.0 7.3 1.75 .92 1.00 1.00 23.6 6.9 2.03 .95 1.00 1.00
67�F920 435 27.8 8.1 1.30 .63 .79 .93 26.4 7.7 1.51 .64 .81 .96 25.0 7.3 1.74 .66 .83 .99 23.4 6.9 2.03 .67 .86 1.00
67�F(19�C)
920 435 27.8 8.1 1.30 .63 .79 .93 26.4 7.7 1.51 .64 .81 .96 25.0 7.3 1.74 .66 .83 .99 23.4 6.9 2.03 .67 .86 1.00(19�C)
1135 535 28.6 8.4 1.30 .67 .85 1.00 27.2 8.0 1.51 .68 .87 1.00 25.8 7.6 1.75 .70 .90 1.00 24.2 7.1 2.03 .72 .93 1.00
71�F920 435 29.4 8.6 1.31 .47 .62 .76 27.8 8.1 1.52 .47 .63 .78 26.4 7.7 1.76 .48 .65 .81 24.6 7.2 2.02 .49 .66 .84
71�F(22�C)
920 435 29.4 8.6 1.31 .47 .62 .76 27.8 8.1 1.52 .47 .63 .78 26.4 7.7 1.76 .48 .65 .81 24.6 7.2 2.02 .49 .66 .84(22�C)
1135 535 30.4 8.9 1.31 .49 .66 .82 28.8 8.4 1.52 .49 .67 .85 27.2 8.0 1.76 .50 .69 .88 25.4 7.4 2.03 .51 .71 .91
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 2 TON
HORIZONTAL INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 38
FIRST STAGE COOLING CAPACITY − XC21−024 with [CH23−21]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F460 215 17.1 5.0 .77 .72 .83 .94 16.5 4.8 .93 .73 .85 .96 15.7 4.6 1.10 .74 .86 .98 14.9 4.4 1.30 .76 .89 1.00
63�F(17�C)
560 265 18.1 5.3 .77 .74 .87 .98 17.4 5.1 .92 .76 .89 .99 16.5 4.8 1.10 .77 .91 1.00 15.7 4.6 1.31 .79 .94 1.00(17�C)
660 310 18.9 5.5 .77 .77 .91 1.00 18.1 5.3 .93 .79 .93 1.00 17.2 5.0 1.10 .81 .96 1.00 16.4 4.8 1.30 .83 .98 1.00
67�F460 215 18.2 5.3 .77 .58 .69 .80 17.6 5.2 .93 .59 .70 .81 16.8 4.9 1.10 .60 .71 .83 15.9 4.7 1.30 .60 .73 .85
67�F(19�C)
560 265 19.4 5.7 .77 .59 .72 .83 18.6 5.5 .93 .61 .73 .85 17.7 5.2 1.10 .61 .75 .87 16.8 4.9 1.31 .63 .77 .90(19�C)
660 310 20.2 5.9 .77 .61 .75 .87 19.4 5.7 .93 .62 .76 .90 18.4 5.4 1.10 .63 .78 .92 17.4 5.1 1.31 .65 .80 .95
71�F460 215 19.3 5.7 .77 .45 .56 .67 18.6 5.5 .93 .45 .57 .68 17.7 5.2 1.10 .45 .58 .69 16.9 5.0 1.30 .45 .59 .70
71�F(22�C)
560 265 20.4 6.0 .78 .46 .58 .69 19.7 5.8 .93 .46 .59 .71 18.8 5.5 1.10 .46 .60 .72 17.8 5.2 1.30 .47 .61 .74(22�C)
660 310 21.4 6.3 .78 .47 .59 .72 20.6 6.0 .93 .47 .61 .74 19.6 5.7 1.10 .47 .62 .75 18.5 5.4 1.30 .48 .63 .78
SECOND STAGE COOLING CAPACITY − XC21−024 with [CH23−21]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F600 285 22.0 6.4 1.28 .72 .83 .94 21.0 6.2 1.50 .73 .85 .96 20.0 5.9 1.74 .74 .87 .98 18.8 5.5 2.01 .76 .89 1.00
63�F(17�C)
800 380 23.4 6.9 1.28 .76 .89 1.00 22.4 6.6 1.50 .78 .92 1.00 21.2 6.2 1.74 .79 .95 1.00 20.0 5.9 2.01 .82 .98 1.00(17�C)
1000 470 24.6 7.2 1.29 .80 .96 1.00 23.4 6.9 1.51 .82 .98 1.00 22.4 6.6 1.75 .85 1.00 1.00 21.2 6.2 2.01 .87 1.00 1.00
67�F600 285 23.2 6.8 1.28 .58 .69 .80 22.2 6.5 1.50 .59 .71 .82 21.2 6.2 1.74 .60 .72 .83 20.0 5.9 2.01 .61 .74 .86
67�F(19�C)
800 380 25.0 7.3 1.28 .61 .74 .86 23.8 7.0 1.50 .62 .75 .89 22.6 6.6 1.74 .63 .77 .91 21.2 6.2 2.02 .64 .79 .94(19�C)
1000 470 26.0 7.6 1.29 .63 .78 .93 24.8 7.3 1.50 .65 .80 .95 23.6 6.9 1.74 .66 .82 .98 22.2 6.5 2.02 .67 .85 1.00
71�F600 285 24.4 7.2 1.29 .45 .57 .67 23.4 6.9 1.51 .45 .57 .68 22.2 6.5 1.74 .44 .58 .70 21.0 6.2 2.02 .46 .59 .71
71�F(22�C)
800 380 26.2 7.7 1.29 .46 .60 .72 25.0 7.3 1.50 .47 .61 .73 23.8 7.0 1.75 .47 .62 .75 22.4 6.6 2.02 .47 .63 .77(22�C)
1000 470 27.6 8.1 1.30 .48 .62 .76 26.2 7.7 1.51 .48 .63 .78 24.8 7.3 1.75 .49 .65 .80 23.4 6.9 2.02 .49 .67 .83
FIRST STAGE COOLING CAPACITY − XC21−024 with [CH23−31]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F460 215 17.3 5.1 .77 .72 .83 .94 16.6 4.9 .92 .73 .85 .96 15.9 4.7 1.10 .74 .87 .98 15.0 4.4 1.31 .76 .89 1.00
63�F(17�C)
560 265 18.3 5.4 .77 .75 .87 .99 17.5 5.1 .92 .76 .89 1.00 16.7 4.9 1.10 .78 .92 1.00 15.8 4.6 1.31 .80 .94 1.00(17�C)
660 310 19.1 5.6 .77 .77 .91 1.00 18.3 5.4 .93 .79 .94 1.00 17.5 5.1 1.10 .81 .96 1.00 16.6 4.9 1.31 .83 .99 1.00
67�F460 215 18.4 5.4 .77 .58 .69 .80 17.7 5.2 .92 .59 .70 .81 17.0 5.0 1.10 .60 .72 .83 16.1 4.7 1.30 .61 .73 .85
67�F(19�C)
560 265 19.6 5.7 .77 .59 .72 .84 18.8 5.5 .93 .60 .73 .86 17.9 5.2 1.10 .62 .75 .88 17.0 5.0 1.30 .63 .77 .91(19�C)
660 310 20.4 6.0 .77 .61 .75 .88 19.6 5.7 .93 .62 .76 .90 18.6 5.5 1.10 .64 .78 .93 17.6 5.2 1.30 .65 .81 .96
71�F460 215 19.4 5.7 .77 .45 .56 .67 18.7 5.5 .93 .45 .57 .68 17.9 5.2 1.10 .45 .58 .69 17.0 5.0 1.30 .45 .59 .70
71�F(22�C)
560 265 20.6 6.0 .77 .46 .58 .70 19.9 5.8 .92 .46 .58 .71 19.0 5.6 1.10 .46 .60 .72 18.0 5.3 1.30 .47 .61 .74(22�C)
660 310 21.6 6.3 .77 .47 .60 .72 20.8 6.1 .93 .47 .60 .74 19.8 5.8 1.10 .47 .62 .76 18.8 5.5 1.30 .48 .64 .78
SECOND STAGE COOLING CAPACITY − XC21−024 with [CH23−31]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F600 285 22.2 6.5 1.28 .72 .83 .94 21.2 6.2 1.50 .73 .85 .96 20.2 5.9 1.74 .75 .87 .99 19.0 5.6 2.01 .76 .90 1.00
63�F(17�C)
800 380 23.8 7.0 1.28 .76 .90 1.00 22.6 6.6 1.50 .78 .92 1.00 21.6 6.3 1.74 .80 .95 1.00 20.2 5.9 2.02 .82 .98 1.00(17�C)
1000 470 24.8 7.3 1.29 .81 .97 1.00 23.8 7.0 1.50 .83 .98 1.00 22.8 6.7 1.75 .85 1.00 1.00 21.6 6.3 2.02 .88 1.00 1.00
67�F600 285 23.4 6.9 1.29 .58 .69 .80 22.4 6.6 1.50 .59 .70 .82 21.4 6.3 1.74 .60 .72 .84 20.2 5.9 2.01 .61 .74 .86
67�F(19�C)
800 380 25.2 7.4 1.29 .61 .74 .87 24.0 7.0 1.50 .62 .76 .89 22.8 6.7 1.75 .63 .78 .92 21.6 6.3 2.02 .65 .80 .95(19�C)
1000 470 26.4 7.7 1.29 .64 .79 .93 25.2 7.4 1.51 .65 .81 .96 23.8 7.0 1.74 .66 .83 .98 22.4 6.6 2.02 .68 .86 1.00
71�F600 285 24.6 7.2 1.29 .45 .57 .67 23.6 6.9 1.50 .44 .58 .69 22.4 6.6 1.74 .44 .58 .70 21.2 6.2 2.01 .45 .59 .72
71�F(22�C)
800 380 26.6 7.8 1.30 .46 .60 .72 25.4 7.4 1.51 .47 .61 .73 24.0 7.0 1.75 .47 .62 .75 22.6 6.6 2.02 .47 .63 .78(22�C)
1000 470 27.8 8.1 1.30 .48 .63 .77 26.6 7.8 1.51 .48 .64 .78 25.2 7.4 1.75 .49 .65 .81 23.6 6.9 2.02 .49 .67 .83
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 2 TON
HORIZONTAL INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 39
FIRST STAGE COOLING CAPACITY − XC21−024 with [CH23−41]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F460 215 17.8 5.2 .77 .71 .83 .94 17.1 5.0 .93 .72 .84 .96 16.3 4.8 1.10 .74 .87 .98 15.4 4.5 1.31 .75 .89 1.00
63�F(17�C)
560 265 18.9 5.5 .77 .74 .87 .99 18.0 5.3 .92 .75 .89 1.00 17.2 5.0 1.10 .77 .92 1.00 16.2 4.7 1.30 .79 .95 1.00(17�C)
660 310 19.7 5.8 .77 .77 .92 1.00 18.8 5.5 .93 .79 .94 1.00 17.9 5.2 1.10 .81 .96 1.00 17.0 5.0 1.30 .84 .99 1.00
67�F460 215 19.2 5.6 .77 .57 .68 .79 18.4 5.4 .92 .58 .69 .81 17.6 5.2 1.10 .59 .71 .83 16.6 4.9 1.31 .60 .72 .85
67�F(19�C)
560 265 20.4 6.0 .77 .59 .71 .84 19.5 5.7 .93 .60 .73 .86 18.5 5.4 1.10 .61 .74 .88 17.4 5.1 1.30 .62 .76 .91(19�C)
660 310 21.2 6.2 .78 .61 .75 .88 20.2 5.9 .93 .62 .76 .90 19.2 5.6 1.10 .63 .78 .93 18.1 5.3 1.30 .64 .81 .96
71�F460 215 20.6 6.0 .78 .44 .55 .66 19.8 5.8 .92 .44 .56 .67 18.9 5.5 1.10 .44 .57 .68 17.8 5.2 1.30 .44 .58 .70
71�F(22�C)
560 265 21.8 6.4 .78 .45 .57 .69 21.0 6.2 .93 .45 .58 .70 19.9 5.8 1.10 .45 .59 .72 18.8 5.5 1.30 .46 .60 .74(22�C)
660 310 22.8 6.7 .78 .46 .59 .72 21.8 6.4 .93 .46 .60 .73 20.8 6.1 1.10 .47 .61 .75 19.6 5.7 1.30 .47 .63 .78
SECOND STAGE COOLING CAPACITY − XC21−024 with [CH23−41]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F600 285 22.8 6.7 1.29 .71 .83 .94 21.8 6.4 1.50 .73 .85 .97 20.8 6.1 1.74 .74 .87 .99 19.5 5.7 2.01 .76 .90 1.00
63�F(17�C)
800 380 24.6 7.2 1.29 .76 .91 1.00 23.4 6.9 1.51 .78 .93 1.00 22.2 6.5 1.75 .80 .96 1.00 20.8 6.1 2.02 .83 .98 1.00(17�C)
1000 470 25.8 7.6 1.29 .81 .97 1.00 24.6 7.2 1.51 .83 .99 1.00 23.6 6.9 1.75 .86 1.00 1.00 22.2 6.5 2.02 .89 1.00 1.00
67�F600 285 24.6 7.2 1.28 .57 .69 .80 23.4 6.9 1.50 .58 .70 .82 22.2 6.5 1.74 .59 .72 .84 20.8 6.1 2.01 .60 .73 .86
67�F(19�C)
800 380 26.2 7.7 1.29 .61 .74 .87 25.0 7.3 1.51 .62 .76 .89 23.6 6.9 1.74 .63 .78 .92 22.2 6.5 2.02 .64 .80 .95(19�C)
1000 470 27.4 8.0 1.30 .64 .79 .94 26.0 7.6 1.51 .65 .81 .97 24.6 7.2 1.75 .66 .84 .99 23.0 6.7 2.02 .68 .87 1.00
71�F600 285 26.0 7.6 1.29 .43 .56 .66 25.0 7.3 1.51 .44 .57 .68 23.6 6.9 1.75 .45 .58 .69 22.2 6.5 2.02 .45 .59 .71
71�F(22�C)
800 380 28.0 8.2 1.30 .45 .59 .72 26.6 7.8 1.51 .46 .60 .73 25.2 7.4 1.75 .46 .62 .75 23.6 6.9 2.02 .46 .63 .78(22�C)
1000 470 29.0 8.5 1.30 .47 .62 .77 27.8 8.1 1.52 .48 .64 .79 26.2 7.7 1.76 .48 .65 .81 24.6 7.2 2.03 .49 .67 .85
FIRST STAGE COOLING CAPACITY − XC21−024 with [CH23−51]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F460 215 18.5 5.4 .77 .71 .83 .95 17.7 5.2 .93 .72 .85 .96 16.8 4.9 1.10 .74 .87 .99 15.8 4.6 1.30 .75 .90 1.00
63�F(17�C)
560 265 19.5 5.7 .77 .75 .88 .99 18.7 5.5 .93 .76 .90 1.00 17.7 5.2 1.10 .78 .92 1.00 16.7 4.9 1.30 .80 .95 1.00(17�C)
660 310 20.4 6.0 .77 .78 .93 1.00 19.5 5.7 .93 .80 .95 1.00 18.5 5.4 1.10 .82 .97 1.00 17.5 5.1 1.30 .84 1.00 1.00
67�F460 215 19.8 5.8 .77 .57 .69 .79 19.0 5.6 .93 .58 .70 .81 18.0 5.3 1.10 .58 .71 .83 17.0 5.0 1.31 .59 .73 .85
67�F(19�C)
560 265 21.0 6.2 .78 .59 .72 .84 20.0 5.9 .93 .60 .73 .86 19.0 5.6 1.10 .61 .75 .89 17.9 5.2 1.30 .62 .77 .91(19�C)
660 310 21.8 6.4 .78 .61 .75 .89 20.8 6.1 .93 .62 .77 .91 19.8 5.8 1.10 .63 .79 .94 18.6 5.5 1.30 .65 .81 .97
71�F460 215 21.0 6.2 .77 .44 .56 .66 20.2 5.9 .93 .44 .56 .67 19.3 5.7 1.10 .44 .56 .68 18.2 5.3 1.30 .45 .58 .70
71�F(22�C)
560 265 22.2 6.5 .78 .44 .57 .69 21.4 6.3 .93 .45 .58 .71 20.4 6.0 1.10 .45 .59 .72 19.2 5.6 1.30 .45 .60 .74(22�C)
660 310 23.2 6.8 .78 .46 .59 .73 22.2 6.5 .93 .46 .60 .74 21.2 6.2 1.10 .46 .62 .76 19.9 5.8 1.30 .47 .63 .78
SECOND STAGE COOLING CAPACITY − XC21−024 with [CH23−51]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F600 285 23.6 6.9 1.28 .72 .84 .95 22.6 6.6 1.50 .73 .85 .97 21.4 6.3 1.74 .74 .88 .99 20.0 5.9 2.02 .76 .90 1.00
63�F(17�C)
800 380 25.4 7.4 1.29 .77 .92 1.00 24.0 7.0 1.50 .79 .94 1.00 22.8 6.7 1.75 .81 .96 1.00 21.4 6.3 2.01 .83 .99 1.00(17�C)
1000 470 26.6 7.8 1.29 .82 .98 1.00 25.4 7.4 1.51 .84 1.00 1.00 24.2 7.1 1.74 .87 1.00 1.00 22.8 6.7 2.02 .90 1.00 1.00
67�F600 285 25.2 7.4 1.29 .57 .69 .80 24.0 7.0 1.50 .58 .70 .82 22.8 6.7 1.75 .59 .72 .84 21.4 6.3 2.01 .60 .74 .87
67�F(19�C)
800 380 27.0 7.9 1.30 .61 .74 .88 25.6 7.5 1.51 .61 .76 .91 24.2 7.1 1.75 .63 .78 .93 22.8 6.7 2.01 .64 .81 .96(19�C)
1000 470 28.0 8.2 1.29 .64 .80 .95 26.6 7.8 1.51 .65 .82 .98 25.2 7.4 1.75 .66 .85 1.00 23.6 6.9 2.02 .68 .88 1.00
71�F600 285 26.6 7.8 1.30 .44 .56 .66 25.4 7.4 1.51 .44 .56 .68 24.0 7.0 1.75 .45 .57 .69 22.6 6.6 2.02 .45 .59 .71
71�F(22�C)
800 380 28.4 8.3 1.30 .45 .59 .72 27.0 7.9 1.52 .45 .60 .74 25.6 7.5 1.75 .46 .61 .76 24.0 7.0 2.03 .47 .63 .78(22�C)
1000 470 29.6 8.7 1.30 .47 .63 .78 28.2 8.3 1.52 .47 .64 .80 26.6 7.8 1.75 .48 .65 .82 25.0 7.3 2.02 .49 .67 .85
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 2 TON
HORIZONTAL INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 40
FIRST STAGE COOLING CAPACITY − XC21−024 with [CH33−18A−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F460 215 17.1 5.0 .78 .71 .83 .94 16.4 4.8 .94 .72 .85 .96 15.6 4.6 1.12 .74 .87 .98 14.8 4.3 1.33 .75 .89 1.00
63�F(17�C)
560 265 17.9 5.2 .78 .74 .87 .99 17.2 5.0 .94 .75 .89 1.00 16.4 4.8 1.12 .77 .91 1.00 15.5 4.5 1.32 .79 .94 1.00(17�C)
660 310 18.6 5.5 .79 .77 .91 1.00 17.8 5.2 .94 .78 .93 1.00 17.0 5.0 1.12 .80 .96 1.00 16.0 4.7 1.33 .82 .99 1.00
67�F460 215 18.0 5.3 .79 .58 .69 .79 17.3 5.1 .94 .58 .70 .81 16.6 4.9 1.12 .59 .71 .83 15.7 4.6 1.33 .60 .73 .85
67�F(19�C)
560 265 19.0 5.6 .78 .59 .72 .83 18.2 5.3 .94 .60 .73 .85 17.4 5.1 1.12 .61 .74 .87 16.5 4.8 1.32 .62 .76 .90(19�C)
660 310 19.7 5.8 .79 .61 .74 .87 18.9 5.5 .94 .62 .76 .89 18.0 5.3 1.11 .63 .78 .92 17.0 5.0 1.32 .64 .80 .95
71�F460 215 18.9 5.5 .78 .45 .56 .66 18.2 5.3 .94 .44 .56 .67 17.4 5.1 1.12 .45 .57 .68 16.5 4.8 1.32 .46 .58 .70
71�F(22�C)
560 265 20.0 5.9 .78 .46 .58 .69 19.2 5.6 .94 .46 .58 .70 18.3 5.4 1.12 .46 .59 .72 17.4 5.1 1.33 .46 .60 .73(22�C)
660 310 20.8 6.1 .79 .47 .60 .72 20.0 5.9 .94 .47 .60 .73 19.0 5.6 1.11 .47 .61 .75 18.0 5.3 1.32 .47 .63 .77
SECOND STAGE COOLING CAPACITY − XC21−024 with [CH33−18A−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F600 285 21.4 6.3 1.28 .71 .83 .94 20.6 6.0 1.50 .72 .84 .96 19.5 5.7 1.74 .74 .86 .99 18.4 5.4 2.02 .75 .89 1.00
63�F(17�C)
800 380 22.8 6.7 1.28 .76 .89 1.00 21.8 6.4 1.50 .77 .91 1.00 20.6 6.0 1.74 .79 .94 1.00 19.4 5.7 2.01 .81 .97 1.00(17�C)
1000 470 23.8 7.0 1.29 .80 .95 1.00 22.6 6.6 1.50 .81 .97 1.00 21.4 6.3 1.74 .84 .99 1.00 20.2 5.9 2.02 .86 1.00 1.00
67�F600 285 22.6 6.6 1.29 .57 .69 .80 21.6 6.3 1.50 .58 .70 .81 20.6 6.0 1.74 .59 .71 .83 19.4 5.7 2.01 .60 .73 .86
67�F(19�C)
800 380 24.0 7.0 1.28 .60 .73 .86 23.0 6.7 1.50 .61 .75 .88 21.8 6.4 1.74 .62 .76 .90 20.6 6.0 2.01 .63 .79 .94(19�C)
1000 470 25.0 7.3 1.28 .63 .77 .92 23.8 7.0 1.50 .64 .79 .94 22.6 6.6 1.74 .65 .81 .97 21.2 6.2 2.01 .67 .84 .99
71�F600 285 23.6 6.9 1.28 .45 .56 .66 22.6 6.6 1.50 .44 .56 .67 21.6 6.3 1.74 .45 .57 .69 20.4 6.0 2.01 .46 .58 .70
71�F(22�C)
800 380 25.2 7.4 1.29 .46 .59 .71 24.0 7.0 1.50 .46 .60 .72 22.8 6.7 1.74 .47 .61 .74 21.6 6.3 2.01 .47 .62 .76(22�C)
1000 470 26.2 7.7 1.29 .47 .61 .75 25.0 7.3 1.50 .48 .63 .77 23.8 7.0 1.74 .48 .64 .79 22.4 6.6 2.02 .49 .65 .82
FIRST STAGE COOLING CAPACITY − XC21−024 with [CH33−24/30A−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F460 215 18.3 5.4 .77 .72 .84 .95 17.5 5.1 .92 .73 .85 .97 16.7 4.9 1.10 .74 .87 .99 15.7 4.6 1.31 .76 .90 1.00
63�F(17�C)
560 265 19.3 5.7 .77 .75 .88 1.00 18.5 5.4 .92 .76 .90 1.00 17.6 5.2 1.10 .78 .93 1.00 16.6 4.9 1.30 .80 .96 1.00(17�C)
660 310 20.2 5.9 .77 .78 .93 1.00 19.2 5.6 .93 .80 .95 1.00 18.3 5.4 1.10 .82 .97 1.00 17.3 5.1 1.30 .84 1.00 1.00
67�F460 215 19.2 5.6 .77 .58 .69 .80 18.5 5.4 .92 .58 .70 .82 17.6 5.2 1.09 .59 .71 .84 16.7 4.9 1.30 .60 .73 .86
67�F(19�C)
560 265 20.4 6.0 .78 .60 .72 .85 19.5 5.7 .93 .60 .74 .86 18.6 5.5 1.10 .61 .75 .89 17.6 5.2 1.30 .62 .77 .92(19�C)
660 310 21.2 6.2 .78 .62 .75 .89 20.4 6.0 .93 .62 .77 .91 19.3 5.7 1.10 .64 .79 .94 18.2 5.3 1.30 .65 .81 .97
71�F460 215 20.2 5.9 .77 .45 .56 .67 19.3 5.7 .92 .46 .57 .68 18.5 5.4 1.10 .45 .57 .69 17.5 5.1 1.30 .45 .58 .70
71�F(22�C)
560 265 21.4 6.3 .77 .46 .58 .70 20.6 6.0 .93 .46 .59 .71 19.6 5.7 1.10 .46 .60 .73 18.5 5.4 1.30 .47 .61 .74(22�C)
660 310 22.4 6.6 .78 .47 .60 .73 21.4 6.3 .93 .47 .61 .74 20.4 6.0 1.10 .47 .62 .76 19.3 5.7 1.30 .48 .64 .79
SECOND STAGE COOLING CAPACITY − XC21−024 with [CH33−24/30A−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F600 285 23.2 6.8 1.29 .72 .84 .95 22.2 6.5 1.50 .73 .86 .98 21.0 6.2 1.74 .74 .88 1.00 19.7 5.8 2.01 .76 .90 1.00
63�F(17�C)
800 380 24.8 7.3 1.29 .77 .91 1.00 23.6 6.9 1.50 .78 .94 1.00 22.4 6.6 1.74 .80 .96 1.00 21.0 6.2 2.02 .83 .99 1.00(17�C)
1000 470 26.0 7.6 1.29 .82 .97 1.00 24.6 7.2 1.50 .83 .99 1.00 23.4 6.9 1.74 .86 1.00 1.00 22.2 6.5 2.02 .89 1.00 1.00
67�F600 285 24.4 7.2 1.29 .58 .69 .80 23.2 6.8 1.50 .58 .71 .82 22.0 6.4 1.74 .59 .72 .84 20.8 6.1 2.01 .60 .74 .87
67�F(19�C)
800 380 26.0 7.6 1.29 .61 .74 .88 24.8 7.3 1.50 .62 .76 .90 23.4 6.9 1.75 .63 .78 .93 22.0 6.4 2.02 .64 .80 .96(19�C)
1000 470 27.2 8.0 1.30 .64 .79 .94 25.8 7.6 1.51 .65 .81 .97 24.4 7.2 1.75 .66 .84 .99 23.0 6.7 2.01 .68 .87 1.00
71�F600 285 25.4 7.4 1.29 .45 .56 .67 24.2 7.1 1.50 .45 .57 .68 23.0 6.7 1.75 .45 .58 .70 21.8 6.4 2.01 .46 .59 .71
71�F(22�C)
800 380 27.2 8.0 1.29 .46 .60 .72 26.0 7.6 1.51 .47 .61 .74 24.6 7.2 1.75 .47 .62 .76 23.2 6.8 2.02 .48 .63 .78(22�C)
1000 470 28.4 8.3 1.30 .48 .63 .77 27.2 8.0 1.52 .48 .64 .79 25.6 7.5 1.76 .49 .65 .81 24.2 7.1 2.03 .49 .67 .84
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 2 TON
HORIZONTAL INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 41
FIRST STAGE COOLING CAPACITY − XC21−024 with [CH33−36A−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F460 215 18.5 5.4 .77 .71 .83 .95 17.8 5.2 .92 .72 .84 .97 16.9 5.0 1.10 .73 .86 .99 15.9 4.7 1.31 .75 .89 1.00
63�F(17�C)
560 265 19.6 5.7 .77 .74 .88 1.00 18.7 5.5 .92 .76 .90 1.00 17.7 5.2 1.10 .78 .92 1.00 16.7 4.9 1.30 .79 .95 1.00(17�C)
660 310 20.4 6.0 .77 .78 .92 1.00 19.5 5.7 .93 .79 .95 1.00 18.5 5.4 1.10 .81 .97 1.00 17.4 5.1 1.30 .84 1.00 1.00
67�F460 215 19.8 5.8 .77 .57 .68 .79 19.0 5.6 .92 .58 .69 .81 18.1 5.3 1.10 .58 .71 .83 17.1 5.0 1.31 .59 .72 .85
67�F(19�C)
560 265 21.0 6.2 .78 .59 .71 .84 20.0 5.9 .93 .60 .73 .86 19.0 5.6 1.10 .61 .75 .88 17.9 5.2 1.30 .62 .76 .91(19�C)
660 310 21.8 6.4 .78 .61 .75 .88 20.8 6.1 .93 .62 .76 .91 19.7 5.8 1.10 .63 .78 .93 18.6 5.5 1.30 .64 .81 .96
71�F460 215 21.0 6.2 .77 .44 .55 .66 20.2 5.9 .92 .45 .56 .67 19.3 5.7 1.10 .45 .57 .68 18.2 5.3 1.30 .45 .57 .69
71�F(22�C)
560 265 22.2 6.5 .78 .45 .57 .69 21.4 6.3 .93 .46 .58 .70 20.2 5.9 1.10 .46 .59 .72 19.1 5.6 1.30 .46 .60 .74(22�C)
660 310 23.2 6.8 .78 .46 .59 .72 22.2 6.5 .93 .46 .60 .74 21.0 6.2 1.10 .47 .61 .76 19.8 5.8 1.30 .47 .63 .78
SECOND STAGE COOLING CAPACITY − XC21−024 with [CH33−36A−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F600 285 23.6 6.9 1.28 .71 .83 .95 22.4 6.6 1.50 .72 .85 .97 21.2 6.2 1.74 .74 .87 .99 19.9 5.8 2.01 .76 .90 1.00
63�F(17�C)
800 380 25.0 7.3 1.29 .76 .91 1.00 23.8 7.0 1.50 .78 .93 1.00 22.6 6.6 1.74 .80 .96 1.00 21.2 6.2 2.02 .82 .99 1.00(17�C)
1000 470 26.2 7.7 1.29 .81 .97 1.00 25.0 7.3 1.50 .83 1.00 1.00 23.6 6.9 1.75 .86 1.00 1.00 22.4 6.6 2.02 .89 1.00 1.00
67�F600 285 25.0 7.3 1.29 .57 .69 .80 23.8 7.0 1.50 .58 .70 .81 22.6 6.6 1.75 .59 .71 .84 21.2 6.2 2.01 .60 .73 .86
67�F(19�C)
800 380 26.6 7.8 1.29 .60 .73 .87 25.4 7.4 1.51 .61 .76 .90 24.0 7.0 1.75 .62 .78 .92 22.4 6.6 2.02 .64 .80 .95(19�C)
1000 470 27.8 8.1 1.30 .63 .79 .94 26.4 7.7 1.51 .64 .80 .97 24.8 7.3 1.75 .66 .83 .99 23.2 6.8 2.02 .67 .86 1.00
71�F600 285 26.4 7.7 1.29 .45 .56 .66 25.2 7.4 1.51 .45 .56 .67 23.8 7.0 1.74 .45 .57 .69 22.4 6.6 2.02 .45 .58 .70
71�F(22�C)
800 380 28.2 8.3 1.30 .46 .59 .71 26.8 7.9 1.51 .46 .59 .73 25.4 7.4 1.75 .47 .61 .75 23.8 7.0 2.02 .47 .63 .77(22�C)
1000 470 29.4 8.6 1.31 .47 .62 .77 27.8 8.1 1.52 .48 .63 .78 26.4 7.7 1.76 .48 .64 .81 24.8 7.3 2.02 .49 .66 .84
FIRST STAGE COOLING CAPACITY − XC21−024 with [CH33−36B−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F460 215 18.6 5.5 .77 .72 .84 .96 17.8 5.2 .92 .73 .86 .98 16.9 5.0 1.10 .74 .88 1.00 16.0 4.7 1.31 .76 .90 1.00
63�F(17�C)
560 265 19.7 5.8 .77 .75 .89 1.00 18.8 5.5 .92 .77 .91 1.00 17.8 5.2 1.10 .78 .93 1.00 16.8 4.9 1.31 .81 .97 1.00(17�C)
660 310 20.6 6.0 .78 .79 .94 1.00 19.6 5.7 .93 .80 .96 1.00 18.7 5.5 1.10 .82 .98 1.00 17.6 5.2 1.30 .85 1.00 1.00
67�F460 215 19.5 5.7 .77 .58 .69 .80 18.8 5.5 .92 .58 .70 .82 17.9 5.2 1.10 .59 .72 .84 16.9 5.0 1.30 .60 .73 .86
67�F(19�C)
560 265 20.8 6.1 .77 .60 .73 .85 19.9 5.8 .93 .61 .74 .87 18.9 5.5 1.10 .62 .76 .90 17.9 5.2 1.30 .63 .78 .92(19�C)
660 310 21.6 6.3 .77 .62 .76 .90 20.8 6.1 .93 .63 .78 .92 19.7 5.8 1.10 .64 .80 .95 18.6 5.5 1.30 .65 .82 .98
71�F460 215 20.4 6.0 .77 .45 .56 .67 19.6 5.7 .93 .45 .57 .68 18.7 5.5 1.10 .45 .58 .69 17.7 5.2 1.30 .45 .59 .71
71�F(22�C)
560 265 21.8 6.4 .78 .46 .58 .70 20.8 6.1 .93 .46 .59 .72 19.9 5.8 1.10 .46 .60 .73 18.8 5.5 1.30 .47 .61 .75(22�C)
660 310 22.8 6.7 .78 .47 .60 .74 21.8 6.4 .93 .47 .61 .75 20.8 6.1 1.10 .47 .63 .77 19.6 5.7 1.30 .48 .64 .79
SECOND STAGE COOLING CAPACITY − XC21−024 with [CH33−36B−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F600 285 23.6 6.9 1.28 .72 .85 .96 22.4 6.6 1.50 .73 .86 .98 21.4 6.3 1.74 .75 .88 1.00 20.0 5.9 2.02 .77 .91 1.00
63�F(17�C)
800 380 25.2 7.4 1.29 .77 .92 1.00 24.0 7.0 1.50 .79 .95 1.00 22.8 6.7 1.74 .81 .97 1.00 21.4 6.3 2.01 .84 1.00 1.00(17�C)
1000 470 26.4 7.7 1.29 .83 .99 1.00 25.2 7.4 1.50 .85 1.00 1.00 24.0 7.0 1.75 .87 1.00 1.00 22.6 6.6 2.02 .91 1.00 1.00
67�F600 285 24.8 7.3 1.29 .58 .70 .81 23.6 6.9 1.50 .59 .71 .83 22.4 6.6 1.74 .60 .72 .85 21.0 6.2 2.01 .61 .74 .88
67�F(19�C)
800 380 26.6 7.8 1.30 .61 .75 .89 25.2 7.4 1.50 .62 .77 .91 24.0 7.0 1.75 .63 .79 .94 22.4 6.6 2.02 .65 .81 .97(19�C)
1000 470 27.8 8.1 1.30 .64 .81 .96 26.4 7.7 1.51 .66 .82 .98 25.0 7.3 1.75 .67 .85 1.00 23.4 6.9 2.02 .69 .88 1.00
71�F600 285 25.8 7.6 1.29 .45 .57 .67 24.6 7.2 1.50 .45 .57 .69 23.4 6.9 1.75 .45 .58 .70 22.0 6.4 2.01 .46 .59 .72
71�F(22�C)
800 380 27.8 8.1 1.30 .46 .60 .73 26.4 7.7 1.51 .47 .61 .75 25.0 7.3 1.75 .47 .62 .77 23.6 6.9 2.02 .48 .64 .79(22�C)
1000 470 29.0 8.5 1.31 .48 .63 .78 27.6 8.1 1.52 .48 .65 .80 26.2 7.7 1.76 .49 .66 .83 24.6 7.2 2.02 .50 .68 .86
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 2 TON
HORIZONTAL INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 42
FIRST STAGE COOLING CAPACITY − XC21−024 with [CH33−36C−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F460 215 18.7 5.5 .77 .72 .84 .96 17.9 5.2 .92 .73 .86 .98 17.0 5.0 1.10 .75 .88 1.00 16.1 4.7 1.31 .77 .91 1.00
63�F(17�C)
560 265 19.9 5.8 .77 .76 .89 1.00 19.0 5.6 .92 .77 .91 1.00 18.0 5.3 1.09 .79 .94 1.00 17.0 5.0 1.30 .81 .97 1.00(17�C)
660 310 20.8 6.1 .77 .79 .94 1.00 19.8 5.8 .93 .81 .97 1.00 18.9 5.5 1.10 .83 .99 1.00 17.8 5.2 1.30 .85 1.00 1.00
67�F460 215 19.7 5.8 .77 .58 .70 .81 18.9 5.5 .92 .59 .71 .82 18.0 5.3 1.10 .59 .72 .84 17.0 5.0 1.31 .61 .74 .87
67�F(19�C)
560 265 21.0 6.2 .78 .60 .73 .86 20.0 5.9 .93 .61 .75 .88 19.1 5.6 1.10 .62 .76 .90 18.0 5.3 1.31 .63 .78 .93(19�C)
660 310 21.8 6.4 .78 .62 .77 .91 21.0 6.2 .93 .63 .78 .93 19.9 5.8 1.10 .64 .80 .96 18.7 5.5 1.30 .66 .83 .98
71�F460 215 20.6 6.0 .77 .45 .56 .67 19.7 5.8 .92 .45 .57 .68 18.8 5.5 1.10 .45 .58 .70 17.8 5.2 1.30 .46 .59 .71
71�F(22�C)
560 265 22.0 6.4 .78 .46 .59 .71 21.0 6.2 .93 .46 .59 .72 20.0 5.9 1.10 .46 .60 .74 18.9 5.5 1.30 .47 .62 .76(22�C)
660 310 23.0 6.7 .78 .47 .61 .74 22.0 6.4 .93 .47 .62 .76 21.0 6.2 1.10 .47 .63 .78 19.8 5.8 1.30 .48 .64 .80
SECOND STAGE COOLING CAPACITY − XC21−024 with [CH33−36C−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F600 285 23.8 7.0 1.28 .73 .85 .97 22.6 6.6 1.50 .74 .87 .99 21.6 6.3 1.73 .75 .89 1.00 20.2 5.9 2.02 .77 .92 1.00
63�F(17�C)
800 380 25.6 7.5 1.29 .78 .93 1.00 24.4 7.2 1.50 .80 .95 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.02 .85 1.00 1.00(17�C)
1000 470 26.8 7.9 1.29 .83 1.00 1.00 25.6 7.5 1.51 .86 1.00 1.00 24.4 7.2 1.75 .88 1.00 1.00 23.0 6.7 2.02 .92 1.00 1.00
67�F600 285 25.0 7.3 1.28 .58 .70 .82 23.8 7.0 1.50 .59 .71 .83 22.6 6.6 1.74 .60 .73 .85 21.2 6.2 2.02 .61 .75 .88
67�F(19�C)
800 380 26.8 7.9 1.30 .62 .76 .89 25.6 7.5 1.51 .63 .77 .92 24.2 7.1 1.75 .64 .79 .95 22.8 6.7 2.02 .65 .82 .98(19�C)
1000 470 28.0 8.2 1.30 .65 .81 .97 26.6 7.8 1.51 .66 .83 .99 25.2 7.4 1.75 .68 .86 1.00 23.6 6.9 2.03 .70 .89 1.00
71�F600 285 26.0 7.6 1.29 .45 .57 .68 24.8 7.3 1.50 .45 .58 .69 23.6 6.9 1.75 .45 .58 .71 22.2 6.5 2.01 .46 .60 .72
71�F(22�C)
800 380 28.0 8.2 1.30 .46 .60 .73 26.8 7.9 1.51 .47 .61 .75 25.4 7.4 1.75 .47 .63 .77 23.8 7.0 2.02 .48 .64 .80(22�C)
1000 470 29.4 8.6 1.30 .48 .64 .79 28.0 8.2 1.52 .49 .65 .81 26.4 7.7 1.75 .49 .67 .84 24.8 7.3 2.02 .50 .69 .87
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 2 TON
HORIZONTAL INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 43
FIRST STAGE COOLING CAPACITY − XC21−024 with [CH23−21 + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F625 295 18.6 5.5 .77 .76 .90 1.00 17.8 5.2 .93 .78 .92 1.00 17.0 5.0 1.10 .79 .94 1.00 16.1 4.7 1.31 .82 .97 1.00
63�F(17�C)
625 295 18.6 5.5 .77 .76 .90 1.00 17.8 5.2 .93 .78 .92 1.00 17.0 5.0 1.10 .79 .94 1.00 16.1 4.7 1.31 .82 .97 1.00(17�C)
740 350 19.4 5.7 .77 .79 .94 1.00 18.6 5.5 .92 .81 .97 1.00 17.8 5.2 1.10 .83 .98 1.00 17.0 5.0 1.30 .86 1.00 1.00
67�F625 295 19.9 5.8 .77 .60 .74 .86 19.1 5.6 .93 .61 .75 .88 18.2 5.3 1.10 .63 .77 .90 17.2 5.0 1.30 .64 .79 .93
67�F(19�C)
625 295 19.9 5.8 .77 .60 .74 .86 19.1 5.6 .93 .61 .75 .88 18.2 5.3 1.10 .63 .77 .90 17.2 5.0 1.30 .64 .79 .93(19�C)
740 350 20.8 6.1 .78 .62 .77 .90 19.9 5.8 .93 .63 .78 .93 18.9 5.5 1.10 .65 .81 .96 17.9 5.2 1.30 .66 .83 .98
71�F625 295 21.0 6.2 .77 .46 .59 .71 20.2 5.9 .93 .47 .60 .72 19.3 5.7 1.10 .47 .61 .74 18.3 5.4 1.30 .47 .63 .76
71�F(22�C)
625 295 21.0 6.2 .77 .46 .59 .71 20.2 5.9 .93 .47 .60 .72 19.3 5.7 1.10 .47 .61 .74 18.3 5.4 1.30 .47 .63 .76(22�C)
740 350 22.0 6.4 .78 .47 .61 .74 21.2 6.2 .93 .48 .62 .76 20.2 5.9 1.10 .48 .63 .78 19.0 5.6 1.30 .49 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−024 with [CH23−21 + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F825 390 23.6 6.9 1.28 .77 .90 1.00 22.6 6.6 1.50 .78 .93 1.00 21.4 6.3 1.74 .80 .95 1.00 20.2 5.9 2.02 .83 .98 1.00
63�F(17�C)
825 390 23.6 6.9 1.28 .77 .90 1.00 22.6 6.6 1.50 .78 .93 1.00 21.4 6.3 1.74 .80 .95 1.00 20.2 5.9 2.02 .83 .98 1.00(17�C)
1035 490 24.8 7.3 1.29 .81 .97 1.00 23.6 6.9 1.50 .83 .99 1.00 22.6 6.6 1.75 .85 1.00 1.00 21.4 6.3 2.02 .88 1.00 1.00
67�F825 390 25.2 7.4 1.28 .61 .74 .87 24.0 7.0 1.50 .62 .76 .89 22.8 6.7 1.75 .63 .78 .92 21.4 6.3 2.02 .65 .80 .95
67�F(19�C)
825 390 25.2 7.4 1.28 .61 .74 .87 24.0 7.0 1.50 .62 .76 .89 22.8 6.7 1.75 .63 .78 .92 21.4 6.3 2.02 .65 .80 .95(19�C)
1035 490 26.2 7.7 1.29 .64 .79 .94 25.0 7.3 1.51 .65 .81 .97 23.8 7.0 1.74 .66 .83 .98 22.2 6.5 2.02 .68 .86 1.00
71�F825 390 26.4 7.7 1.29 .47 .60 .72 25.2 7.4 1.51 .47 .61 .74 24.0 7.0 1.75 .47 .62 .76 22.6 6.6 2.02 .47 .64 .78
71�F(22�C)
825 390 26.4 7.7 1.29 .47 .60 .72 25.2 7.4 1.51 .47 .61 .74 24.0 7.0 1.75 .47 .62 .76 22.6 6.6 2.02 .47 .64 .78(22�C)
1035 490 27.6 8.1 1.30 .47 .63 .77 26.4 7.7 1.51 .48 .64 .79 25.0 7.3 1.75 .49 .65 .81 23.6 6.9 2.02 .49 .67 .84
FIRST STAGE COOLING CAPACITY − XC21−024 with [CH23−21 + G61MPV−36B−045]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F610 290 18.5 5.4 .77 .76 .89 .99 17.7 5.2 .93 .77 .91 1.00 16.9 5.0 1.10 .79 .94 1.00 16.0 4.7 1.31 .81 .97 1.00
63�F(17�C)
610 290 18.5 5.4 .77 .76 .89 .99 17.7 5.2 .93 .77 .91 1.00 16.9 5.0 1.10 .79 .94 1.00 16.0 4.7 1.31 .81 .97 1.00(17�C)
720 340 19.3 5.7 .77 .79 .93 1.00 18.5 5.4 .93 .80 .96 1.00 17.7 5.2 1.10 .82 .98 1.00 16.8 4.9 1.31 .85 1.00 1.00
67�F610 290 19.8 5.8 .77 .60 .73 .85 19.0 5.6 .93 .61 .75 .87 18.1 5.3 1.10 .62 .76 .90 17.1 5.0 1.30 .64 .78 .93
67�F(19�C)
610 290 19.8 5.8 .77 .60 .73 .85 19.0 5.6 .93 .61 .75 .87 18.1 5.3 1.10 .62 .76 .90 17.1 5.0 1.30 .64 .78 .93(19�C)
720 340 20.6 6.0 .78 .62 .76 .90 19.7 5.8 .93 .63 .78 .92 18.8 5.5 1.10 .64 .80 .95 17.8 5.2 1.30 .66 .82 .98
71�F610 290 21.0 6.2 .77 .46 .58 .71 20.2 5.9 .93 .47 .60 .72 19.2 5.6 1.10 .47 .61 .74 18.2 5.3 1.30 .47 .62 .76
71�F(22�C)
610 290 21.0 6.2 .77 .46 .58 .71 20.2 5.9 .93 .47 .60 .72 19.2 5.6 1.10 .47 .61 .74 18.2 5.3 1.30 .47 .62 .76(22�C)
720 340 21.8 6.4 .77 .47 .61 .74 21.0 6.2 .93 .47 .62 .75 20.0 5.9 1.10 .48 .63 .77 18.9 5.5 1.30 .48 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−024 with [CH23−21 + G61MPV−36B−045]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F840 395 23.8 7.0 1.28 .77 .91 1.00 22.6 6.6 1.50 .79 .93 1.00 21.4 6.3 1.74 .80 .96 1.00 20.2 5.9 2.02 .83 .98 1.00
63�F(17�C)
840 395 23.8 7.0 1.28 .77 .91 1.00 22.6 6.6 1.50 .79 .93 1.00 21.4 6.3 1.74 .80 .96 1.00 20.2 5.9 2.02 .83 .98 1.00(17�C)
1050 495 24.8 7.3 1.29 .81 .97 1.00 23.8 7.0 1.50 .83 .99 1.00 22.8 6.7 1.75 .86 1.00 1.00 21.6 6.3 2.02 .89 1.00 1.00
67�F840 395 25.2 7.4 1.29 .61 .75 .88 24.0 7.0 1.50 .62 .76 .90 22.8 6.7 1.75 .64 .78 .93 21.4 6.3 2.02 .65 .81 .96
67�F(19�C)
840 395 25.2 7.4 1.29 .61 .75 .88 24.0 7.0 1.50 .62 .76 .90 22.8 6.7 1.75 .64 .78 .93 21.4 6.3 2.02 .65 .81 .96(19�C)
1050 495 26.4 7.7 1.29 .64 .79 .94 25.2 7.4 1.51 .65 .81 .97 23.8 7.0 1.74 .67 .84 .99 22.2 6.5 2.02 .68 .87 1.00
71�F840 395 26.6 7.8 1.30 .47 .60 .72 25.4 7.4 1.51 .47 .61 .74 24.0 7.0 1.75 .47 .62 .76 22.6 6.6 2.02 .48 .64 .78
71�F(22�C)
840 395 26.6 7.8 1.30 .47 .60 .72 25.4 7.4 1.51 .47 .61 .74 24.0 7.0 1.75 .47 .62 .76 22.6 6.6 2.02 .48 .64 .78(22�C)
1050 495 27.8 8.1 1.30 .47 .63 .77 26.4 7.7 1.51 .49 .64 .79 25.2 7.4 1.75 .49 .66 .81 23.6 6.9 2.02 .50 .68 .84
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 2 TON
HORIZONTAL INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 44
FIRST STAGE COOLING CAPACITY − XC21−024 with [CH23−21 + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F625 295 18.6 5.5 .77 .76 .90 1.00 17.8 5.2 .93 .78 .92 1.00 17.0 5.0 1.10 .79 .94 1.00 16.1 4.7 1.31 .82 .97 1.00
63�F(17�C)
625 295 18.6 5.5 .77 .76 .90 1.00 17.8 5.2 .93 .78 .92 1.00 17.0 5.0 1.10 .79 .94 1.00 16.1 4.7 1.31 .82 .97 1.00(17�C)
725 340 19.3 5.7 .77 .79 .94 1.00 18.5 5.4 .93 .81 .96 1.00 17.7 5.2 1.10 .83 .98 1.00 16.9 5.0 1.30 .85 1.00 1.00
67�F625 295 19.9 5.8 .77 .60 .74 .86 19.1 5.6 .93 .61 .75 .88 18.2 5.3 1.10 .63 .77 .90 17.2 5.0 1.30 .64 .79 .93
67�F(19�C)
625 295 19.9 5.8 .77 .60 .74 .86 19.1 5.6 .93 .61 .75 .88 18.2 5.3 1.10 .63 .77 .90 17.2 5.0 1.30 .64 .79 .93(19�C)
725 340 20.6 6.0 .78 .62 .76 .90 19.8 5.8 .93 .63 .78 .92 18.8 5.5 1.10 .65 .80 .95 17.8 5.2 1.30 .66 .83 .98
71�F625 295 21.0 6.2 .77 .46 .59 .71 20.2 5.9 .93 .47 .60 .72 19.3 5.7 1.10 .47 .61 .74 18.3 5.4 1.30 .47 .63 .76
71�F(22�C)
625 295 21.0 6.2 .77 .46 .59 .71 20.2 5.9 .93 .47 .60 .72 19.3 5.7 1.10 .47 .61 .74 18.3 5.4 1.30 .47 .63 .76(22�C)
725 340 22.0 6.4 .78 .47 .61 .74 21.0 6.2 .93 .48 .62 .75 20.0 5.9 1.10 .48 .63 .78 19.0 5.6 1.30 .48 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−024 with [CH23−21 + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F830 390 23.6 6.9 1.28 .77 .90 1.00 22.6 6.6 1.50 .78 .93 1.00 21.4 6.3 1.74 .80 .96 1.00 20.2 5.9 2.02 .83 .98 1.00
63�F(17�C)
830 390 23.6 6.9 1.28 .77 .90 1.00 22.6 6.6 1.50 .78 .93 1.00 21.4 6.3 1.74 .80 .96 1.00 20.2 5.9 2.02 .83 .98 1.00(17�C)
1020 480 24.6 7.2 1.29 .81 .97 1.00 23.6 6.9 1.51 .83 .98 1.00 22.6 6.6 1.75 .85 1.00 1.00 21.4 6.3 2.02 .88 1.00 1.00
67�F830 390 25.2 7.4 1.29 .61 .74 .87 24.0 7.0 1.50 .62 .76 .90 22.8 6.7 1.75 .63 .78 .92 21.4 6.3 2.02 .65 .80 .96
67�F(19�C)
830 390 25.2 7.4 1.29 .61 .74 .87 24.0 7.0 1.50 .62 .76 .90 22.8 6.7 1.75 .63 .78 .92 21.4 6.3 2.02 .65 .80 .96(19�C)
1020 480 26.2 7.7 1.29 .64 .79 .93 25.0 7.3 1.51 .65 .81 .96 23.6 6.9 1.74 .66 .83 .98 22.2 6.5 2.02 .68 .86 1.00
71�F830 390 26.4 7.7 1.29 .47 .60 .72 25.2 7.4 1.51 .47 .61 .74 24.0 7.0 1.75 .47 .62 .76 22.6 6.6 2.02 .47 .64 .78
71�F(22�C)
830 390 26.4 7.7 1.29 .47 .60 .72 25.2 7.4 1.51 .47 .61 .74 24.0 7.0 1.75 .47 .62 .76 22.6 6.6 2.02 .47 .64 .78(22�C)
1020 480 27.6 8.1 1.29 .48 .63 .76 26.4 7.7 1.51 .48 .64 .78 25.0 7.3 1.75 .49 .65 .81 23.4 6.9 2.02 .49 .67 .83
FIRST STAGE COOLING CAPACITY − XC21−024 with [CH33−36A−2F + G60UHV−36A−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F630 295 20.2 5.9 .77 .77 .91 1.00 19.3 5.7 .93 .78 .93 1.00 18.3 5.4 1.10 .80 .96 1.00 17.2 5.0 1.31 .82 .99 1.00
63�F(17�C)
630 295 20.2 5.9 .77 .77 .91 1.00 19.3 5.7 .93 .78 .93 1.00 18.3 5.4 1.10 .80 .96 1.00 17.2 5.0 1.31 .82 .99 1.00(17�C)
745 350 21.0 6.2 .78 .80 .96 1.00 20.0 5.9 .93 .82 .98 1.00 18.9 5.5 1.10 .84 1.00 1.00 18.0 5.3 1.30 .87 1.00 1.00
67�F630 295 21.6 6.3 .78 .60 .74 .87 20.6 6.0 .93 .61 .76 .89 19.5 5.7 1.10 .62 .77 .92 18.4 5.4 1.30 .64 .80 .95
67�F(19�C)
630 295 21.6 6.3 .78 .60 .74 .87 20.6 6.0 .93 .61 .76 .89 19.5 5.7 1.10 .62 .77 .92 18.4 5.4 1.30 .64 .80 .95(19�C)
745 350 22.4 6.6 .78 .63 .78 .92 21.4 6.3 .93 .63 .79 .95 20.2 5.9 1.10 .65 .81 .97 19.0 5.6 1.30 .66 .84 1.00
71�F630 295 22.8 6.7 .78 .45 .58 .71 22.0 6.4 .93 .46 .60 .73 20.8 6.1 1.10 .47 .61 .75 19.7 5.8 1.30 .47 .62 .77
71�F(22�C)
630 295 22.8 6.7 .78 .45 .58 .71 22.0 6.4 .93 .46 .60 .73 20.8 6.1 1.10 .47 .61 .75 19.7 5.8 1.30 .47 .62 .77(22�C)
745 350 23.8 7.0 .79 .47 .61 .75 22.6 6.6 .93 .47 .62 .77 21.6 6.3 1.10 .48 .63 .79 20.2 5.9 1.30 .48 .65 .81
SECOND STAGE COOLING CAPACITY − XC21−024 with [CH33−36A−2F + G60UHV−36A−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F830 390 25.2 7.4 1.29 .77 .92 1.00 24.0 7.0 1.50 .79 .94 1.00 22.8 6.7 1.74 .81 .97 1.00 21.2 6.2 2.02 .84 1.00 1.00
63�F(17�C)
830 390 25.2 7.4 1.29 .77 .92 1.00 24.0 7.0 1.50 .79 .94 1.00 22.8 6.7 1.74 .81 .97 1.00 21.2 6.2 2.02 .84 1.00 1.00(17�C)
1040 490 26.4 7.7 1.29 .82 .99 1.00 25.0 7.3 1.51 .84 1.00 1.00 23.8 7.0 1.75 .87 1.00 1.00 22.6 6.6 2.03 .90 1.00 1.00
67�F830 390 26.8 7.9 1.29 .60 .75 .88 25.6 7.5 1.51 .62 .77 .91 24.2 7.1 1.75 .63 .78 .93 22.6 6.6 2.02 .64 .81 .97
67�F(19�C)
830 390 26.8 7.9 1.29 .60 .75 .88 25.6 7.5 1.51 .62 .77 .91 24.2 7.1 1.75 .63 .78 .93 22.6 6.6 2.02 .64 .81 .97(19�C)
1040 490 27.8 8.1 1.30 .64 .80 .95 26.4 7.7 1.51 .65 .81 .98 25.0 7.3 1.74 .67 .85 1.00 23.4 6.9 2.02 .68 .88 1.00
71�F830 390 28.4 8.3 1.30 .46 .59 .72 27.0 7.9 1.51 .46 .60 .74 25.6 7.5 1.75 .47 .62 .76 24.0 7.0 2.02 .47 .63 .78
71�F(22�C)
830 390 28.4 8.3 1.30 .46 .59 .72 27.0 7.9 1.51 .46 .60 .74 25.6 7.5 1.75 .47 .62 .76 24.0 7.0 2.02 .47 .63 .78(22�C)
1040 490 29.4 8.6 1.30 .47 .63 .78 28.0 8.2 1.52 .48 .64 .79 26.4 7.7 1.75 .48 .65 .82 24.8 7.3 2.02 .49 .67 .85
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 2 TON
HORIZONTAL INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 45
FIRST STAGE COOLING CAPACITY − XC21−024 with [CH33−36B−2F + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F625 295 20.2 5.9 .77 .78 .92 1.00 19.3 5.7 .93 .79 .94 1.00 18.4 5.4 1.10 .81 .97 1.00 17.4 5.1 1.30 .83 1.00 1.00
63�F(17�C)
625 295 20.2 5.9 .77 .78 .92 1.00 19.3 5.7 .93 .79 .94 1.00 18.4 5.4 1.10 .81 .97 1.00 17.4 5.1 1.30 .83 1.00 1.00(17�C)
740 350 21.2 6.2 .78 .81 .97 1.00 20.2 5.9 .93 .83 .99 1.00 19.2 5.6 1.10 .85 1.00 1.00 18.3 5.4 1.30 .88 1.00 1.00
67�F625 295 21.4 6.3 .78 .61 .75 .88 20.4 6.0 .93 .62 .76 .91 19.4 5.7 1.10 .63 .78 .93 18.3 5.4 1.30 .64 .81 .96
67�F(19�C)
625 295 21.4 6.3 .78 .61 .75 .88 20.4 6.0 .93 .62 .76 .91 19.4 5.7 1.10 .63 .78 .93 18.3 5.4 1.30 .64 .81 .96(19�C)
740 350 22.2 6.5 .78 .63 .79 .93 21.2 6.2 .93 .65 .80 .96 20.2 5.9 1.10 .66 .83 .98 19.0 5.6 1.30 .67 .85 1.00
71�F625 295 22.4 6.6 .78 .46 .60 .72 21.4 6.3 .93 .47 .61 .74 20.4 6.0 1.10 .47 .62 .76 19.3 5.7 1.30 .48 .63 .78
71�F(22�C)
625 295 22.4 6.6 .78 .46 .60 .72 21.4 6.3 .93 .47 .61 .74 20.4 6.0 1.10 .47 .62 .76 19.3 5.7 1.30 .48 .63 .78(22�C)
740 350 23.4 6.9 .78 .47 .62 .76 22.4 6.6 .93 .47 .63 .78 21.2 6.2 1.10 .48 .65 .80 20.0 5.9 1.30 .49 .66 .83
SECOND STAGE COOLING CAPACITY − XC21−024 with [CH33−36B−2F + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F825 390 25.4 7.4 1.29 .78 .93 1.00 24.2 7.1 1.50 .80 .96 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.01 .85 1.00 1.00
63�F(17�C)
825 390 25.4 7.4 1.29 .78 .93 1.00 24.2 7.1 1.50 .80 .96 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.01 .85 1.00 1.00(17�C)
1035 490 26.6 7.8 1.30 .84 1.00 1.00 25.4 7.4 1.51 .86 1.00 1.00 24.2 7.1 1.75 .88 1.00 1.00 22.8 6.7 2.02 .92 1.00 1.00
67�F825 390 26.8 7.9 1.29 .62 .76 .90 25.4 7.4 1.51 .63 .78 .92 24.0 7.0 1.75 .64 .80 .95 22.6 6.6 2.02 .65 .82 .98
67�F(19�C)
825 390 26.8 7.9 1.29 .62 .76 .90 25.4 7.4 1.51 .63 .78 .92 24.0 7.0 1.75 .64 .80 .95 22.6 6.6 2.02 .65 .82 .98(19�C)
1035 490 28.0 8.2 1.30 .65 .81 .97 26.6 7.8 1.51 .66 .83 .99 25.0 7.3 1.75 .68 .86 1.00 23.4 6.9 2.03 .70 .89 1.00
71�F825 390 28.0 8.2 1.30 .47 .60 .74 26.6 7.8 1.51 .47 .62 .75 25.2 7.4 1.75 .48 .63 .77 23.8 7.0 2.02 .48 .64 .80
71�F(22�C)
825 390 28.0 8.2 1.30 .47 .60 .74 26.6 7.8 1.51 .47 .62 .75 25.2 7.4 1.75 .48 .63 .77 23.8 7.0 2.02 .48 .64 .80(22�C)
1035 490 29.2 8.6 1.31 .48 .64 .79 27.8 8.1 1.52 .48 .65 .81 26.4 7.7 1.76 .49 .67 .84 24.8 7.3 2.02 .50 .69 .87
FIRST STAGE COOLING CAPACITY − XC21−024 with [CH33−36B−2F + G61MPV−36B−045]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F610 290 20.0 5.9 .77 .77 .91 1.00 19.2 5.6 .93 .79 .93 1.00 18.3 5.4 1.10 .80 .96 1.00 17.2 5.0 1.30 .83 .99 1.00
63�F(17�C)
610 290 20.0 5.9 .77 .77 .91 1.00 19.2 5.6 .93 .79 .93 1.00 18.3 5.4 1.10 .80 .96 1.00 17.2 5.0 1.30 .83 .99 1.00(17�C)
720 340 21.0 6.2 .78 .81 .96 1.00 20.0 5.9 .93 .82 .98 1.00 19.1 5.6 1.10 .85 1.00 1.00 18.1 5.3 1.30 .87 1.00 1.00
67�F610 290 21.2 6.2 .78 .61 .74 .88 20.4 6.0 .93 .62 .76 .90 19.3 5.7 1.10 .63 .78 .92 18.2 5.3 1.30 .64 .80 .95
67�F(19�C)
610 290 21.2 6.2 .78 .61 .74 .88 20.4 6.0 .93 .62 .76 .90 19.3 5.7 1.10 .63 .78 .92 18.2 5.3 1.30 .64 .80 .95(19�C)
720 340 22.2 6.5 .78 .63 .78 .93 21.2 6.2 .93 .64 .80 .95 20.0 5.9 1.10 .65 .82 .97 18.9 5.5 1.30 .67 .85 1.00
71�F610 290 22.2 6.5 .78 .46 .59 .72 21.4 6.3 .93 .47 .60 .73 20.4 6.0 1.10 .47 .61 .75 19.2 5.6 1.30 .47 .63 .77
71�F(22�C)
610 290 22.2 6.5 .78 .46 .59 .72 21.4 6.3 .93 .47 .60 .73 20.4 6.0 1.10 .47 .61 .75 19.2 5.6 1.30 .47 .63 .77(22�C)
720 340 23.2 6.8 .78 .47 .62 .76 22.2 6.5 .93 .48 .63 .77 21.2 6.2 1.10 .48 .64 .79 19.9 5.8 1.30 .49 .66 .82
SECOND STAGE COOLING CAPACITY − XC21−024 with [CH33−36B−2F + G61MPV−36B−045]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F840 395 25.6 7.5 1.29 .79 .94 1.00 24.2 7.1 1.50 .80 .96 1.00 23.0 6.7 1.75 .82 .99 1.00 21.6 6.3 2.02 .85 1.00 1.00
63�F(17�C)
840 395 25.6 7.5 1.29 .79 .94 1.00 24.2 7.1 1.50 .80 .96 1.00 23.0 6.7 1.75 .82 .99 1.00 21.6 6.3 2.02 .85 1.00 1.00(17�C)
1050 495 26.8 7.9 1.30 .84 1.00 1.00 25.6 7.5 1.51 .86 1.00 1.00 24.2 7.1 1.75 .89 1.00 1.00 23.0 6.7 2.02 .92 1.00 1.00
67�F840 395 26.8 7.9 1.29 .62 .76 .90 25.6 7.5 1.51 .63 .78 .93 24.2 7.1 1.75 .64 .80 .96 22.6 6.6 2.02 .66 .83 .99
67�F(19�C)
840 395 26.8 7.9 1.29 .62 .76 .90 25.6 7.5 1.51 .63 .78 .93 24.2 7.1 1.75 .64 .80 .96 22.6 6.6 2.02 .66 .83 .99(19�C)
1050 495 28.0 8.2 1.30 .65 .82 .97 26.6 7.8 1.51 .66 .84 .99 25.2 7.4 1.75 .68 .87 1.00 23.6 6.9 2.02 .70 .90 1.00
71�F840 395 28.0 8.2 1.30 .47 .61 .74 26.8 7.9 1.52 .47 .62 .76 25.4 7.4 1.75 .48 .63 .78 23.8 7.0 2.02 .48 .65 .80
71�F(22�C)
840 395 28.0 8.2 1.30 .47 .61 .74 26.8 7.9 1.52 .47 .62 .76 25.4 7.4 1.75 .48 .63 .78 23.8 7.0 2.02 .48 .65 .80(22�C)
1050 495 29.4 8.6 1.30 .48 .64 .80 28.0 8.2 1.52 .49 .66 .82 26.4 7.7 1.76 .49 .67 .84 24.8 7.3 2.02 .50 .69 .88
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 2 TON
HORIZONTAL INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 46
FIRST STAGE COOLING CAPACITY − XC21−024 with [CH33−36B−2F + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F625 295 20.2 5.9 .77 .78 .92 1.00 19.3 5.7 .93 .79 .94 1.00 18.4 5.4 1.10 .81 .97 1.00 17.4 5.1 1.30 .83 1.00 1.00
63�F(17�C)
625 295 20.2 5.9 .77 .78 .92 1.00 19.3 5.7 .93 .79 .94 1.00 18.4 5.4 1.10 .81 .97 1.00 17.4 5.1 1.30 .83 1.00 1.00(17�C)
725 340 21.0 6.2 .78 .81 .97 1.00 20.2 5.9 .93 .83 .99 1.00 19.1 5.6 1.10 .85 1.00 1.00 18.1 5.3 1.30 .88 1.00 1.00
67�F625 295 21.4 6.3 .78 .61 .75 .88 20.4 6.0 .93 .62 .76 .91 19.4 5.7 1.10 .63 .78 .93 18.3 5.4 1.30 .64 .81 .96
67�F(19�C)
625 295 21.4 6.3 .78 .61 .75 .88 20.4 6.0 .93 .62 .76 .91 19.4 5.7 1.10 .63 .78 .93 18.3 5.4 1.30 .64 .81 .96(19�C)
725 340 22.2 6.5 .78 .63 .78 .93 21.2 6.2 .93 .64 .80 .95 20.0 5.9 1.10 .66 .82 .98 18.9 5.5 1.30 .67 .85 1.00
71�F625 295 22.4 6.6 .78 .46 .60 .72 21.4 6.3 .93 .47 .61 .74 20.4 6.0 1.10 .47 .62 .76 19.3 5.7 1.30 .48 .63 .78
71�F(22�C)
625 295 22.4 6.6 .78 .46 .60 .72 21.4 6.3 .93 .47 .61 .74 20.4 6.0 1.10 .47 .62 .76 19.3 5.7 1.30 .48 .63 .78(22�C)
725 340 23.2 6.8 .78 .47 .62 .76 22.2 6.5 .93 .48 .63 .78 21.2 6.2 1.10 .48 .64 .80 20.0 5.9 1.30 .49 .66 .82
SECOND STAGE COOLING CAPACITY − XC21−024 with [CH33−36B−2F + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F830 390 25.4 7.4 1.29 .78 .93 1.00 24.2 7.1 1.50 .80 .96 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.01 .85 1.00 1.00
63�F(17�C)
830 390 25.4 7.4 1.29 .78 .93 1.00 24.2 7.1 1.50 .80 .96 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.01 .85 1.00 1.00(17�C)
1020 480 26.6 7.8 1.29 .83 .99 1.00 25.4 7.4 1.51 .85 1.00 1.00 24.0 7.0 1.75 .88 1.00 1.00 22.8 6.7 2.02 .91 1.00 1.00
67�F830 390 26.8 7.9 1.29 .62 .76 .90 25.4 7.4 1.51 .63 .78 .92 24.2 7.1 1.75 .64 .80 .95 22.6 6.6 2.02 .66 .82 .98
67�F(19�C)
830 390 26.8 7.9 1.29 .62 .76 .90 25.4 7.4 1.51 .63 .78 .92 24.2 7.1 1.75 .64 .80 .95 22.6 6.6 2.02 .66 .82 .98(19�C)
1020 480 27.8 8.1 1.30 .65 .81 .96 26.4 7.7 1.51 .66 .83 .99 25.0 7.3 1.74 .67 .86 1.00 23.4 6.9 2.02 .69 .89 1.00
71�F830 390 28.0 8.2 1.30 .47 .61 .74 26.6 7.8 1.51 .47 .62 .75 25.2 7.4 1.75 .48 .63 .78 23.8 7.0 2.02 .48 .64 .80
71�F(22�C)
830 390 28.0 8.2 1.30 .47 .61 .74 26.6 7.8 1.51 .47 .62 .75 25.2 7.4 1.75 .48 .63 .78 23.8 7.0 2.02 .48 .64 .80(22�C)
1020 480 29.2 8.6 1.31 .48 .64 .79 27.8 8.1 1.52 .48 .65 .81 26.2 7.7 1.76 .49 .67 .83 24.6 7.2 2.02 .50 .68 .86
FIRST STAGE COOLING CAPACITY − XC21−024 with [CH33−42B−2F + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F625 295 20.2 5.9 .77 .78 .92 1.00 19.4 5.7 .93 .79 .94 1.00 18.4 5.4 1.10 .81 .97 1.00 17.4 5.1 1.30 .84 1.00 1.00
63�F(17�C)
625 295 20.2 5.9 .77 .78 .92 1.00 19.4 5.7 .93 .79 .94 1.00 18.4 5.4 1.10 .81 .97 1.00 17.4 5.1 1.30 .84 1.00 1.00(17�C)
740 350 21.2 6.2 .78 .82 .97 1.00 20.2 5.9 .93 .83 .99 1.00 19.3 5.7 1.10 .86 1.00 1.00 18.3 5.4 1.30 .89 1.00 1.00
67�F625 295 21.4 6.3 .78 .61 .75 .89 20.4 6.0 .93 .62 .77 .91 19.5 5.7 1.10 .63 .79 .93 18.3 5.4 1.30 .65 .81 .96
67�F(19�C)
625 295 21.4 6.3 .78 .61 .75 .89 20.4 6.0 .93 .62 .77 .91 19.5 5.7 1.10 .63 .79 .93 18.3 5.4 1.30 .65 .81 .96(19�C)
740 350 22.2 6.5 .78 .64 .79 .94 21.2 6.2 .93 .65 .81 .96 20.2 5.9 1.10 .66 .83 .99 19.0 5.6 1.30 .68 .86 1.00
71�F625 295 22.4 6.6 .78 .46 .60 .73 21.6 6.3 .93 .47 .61 .74 20.4 6.0 1.10 .47 .62 .76 19.3 5.7 1.30 .48 .63 .78
71�F(22�C)
625 295 22.4 6.6 .78 .46 .60 .73 21.6 6.3 .93 .47 .61 .74 20.4 6.0 1.10 .47 .62 .76 19.3 5.7 1.30 .48 .63 .78(22�C)
740 350 23.4 6.9 .78 .47 .62 .76 22.4 6.6 .93 .48 .63 .78 21.2 6.2 1.10 .48 .65 .80 20.0 5.9 1.30 .49 .66 .83
SECOND STAGE COOLING CAPACITY − XC21−024 with [CH33−42B−2F + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F825 390 25.4 7.4 1.29 .78 .93 1.00 24.2 7.1 1.50 .80 .96 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.02 .85 1.00 1.00
63�F(17�C)
825 390 25.4 7.4 1.29 .78 .93 1.00 24.2 7.1 1.50 .80 .96 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.02 .85 1.00 1.00(17�C)
1035 490 26.8 7.9 1.29 .84 1.00 1.00 25.6 7.5 1.51 .86 1.00 1.00 24.2 7.1 1.75 .89 1.00 1.00 23.0 6.7 2.02 .92 1.00 1.00
67�F825 390 26.8 7.9 1.29 .62 .76 .90 25.4 7.4 1.51 .63 .78 .93 24.2 7.1 1.75 .64 .80 .95 22.6 6.6 2.02 .66 .83 .98
67�F(19�C)
825 390 26.8 7.9 1.29 .62 .76 .90 25.4 7.4 1.51 .63 .78 .93 24.2 7.1 1.75 .64 .80 .95 22.6 6.6 2.02 .66 .83 .98(19�C)
1035 490 28.0 8.2 1.30 .65 .82 .97 26.6 7.8 1.51 .66 .84 .99 25.0 7.3 1.74 .68 .87 1.00 23.4 6.9 2.02 .70 .90 1.00
71�F825 390 28.0 8.2 1.30 .47 .61 .74 26.6 7.8 1.51 .47 .62 .75 25.2 7.4 1.75 .48 .63 .78 23.8 7.0 2.03 .48 .64 .80
71�F(22�C)
825 390 28.0 8.2 1.30 .47 .61 .74 26.6 7.8 1.51 .47 .62 .75 25.2 7.4 1.75 .48 .63 .78 23.8 7.0 2.03 .48 .64 .80(22�C)
1035 490 29.2 8.6 1.30 .48 .64 .79 27.8 8.1 1.52 .49 .65 .82 26.4 7.7 1.76 .49 .67 .84 24.8 7.3 2.02 .50 .69 .87
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 2 TON
HORIZONTAL INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 47
FIRST STAGE COOLING CAPACITY − XC21−024 with [CH33−42B−2F + G61MPV−36B−045]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F610 290 20.4 6.0 .77 .76 .90 1.00 19.4 5.7 .92 .78 .93 1.00 18.4 5.4 1.10 .80 .95 1.00 17.3 5.1 1.30 .82 .98 1.00
63�F(17�C)
610 290 20.4 6.0 .77 .76 .90 1.00 19.4 5.7 .92 .78 .93 1.00 18.4 5.4 1.10 .80 .95 1.00 17.3 5.1 1.30 .82 .98 1.00(17�C)
725 340 21.2 6.2 .78 .80 .96 1.00 20.2 5.9 .93 .82 .98 1.00 19.2 5.6 1.10 .84 1.00 1.00 18.2 5.3 1.30 .87 1.00 1.00
67�F610 290 21.8 6.4 .78 .60 .73 .86 20.8 6.1 .93 .61 .75 .88 19.7 5.8 1.10 .62 .77 .91 18.6 5.5 1.30 .63 .79 .94
67�F(19�C)
610 290 21.8 6.4 .78 .60 .73 .86 20.8 6.1 .93 .61 .75 .88 19.7 5.8 1.10 .62 .77 .91 18.6 5.5 1.30 .63 .79 .94(19�C)
725 340 22.6 6.6 .78 .62 .78 .92 21.6 6.3 .93 .63 .79 .94 20.4 6.0 1.10 .64 .81 .97 19.2 5.6 1.30 .66 .84 1.00
71�F610 290 23.2 6.8 .78 .46 .58 .71 22.2 6.5 .93 .46 .59 .72 21.0 6.2 1.10 .46 .60 .74 19.8 5.8 1.30 .47 .62 .76
71�F(22�C)
610 290 23.2 6.8 .78 .46 .58 .71 22.2 6.5 .93 .46 .59 .72 21.0 6.2 1.10 .46 .60 .74 19.8 5.8 1.30 .47 .62 .76(22�C)
725 340 24.0 7.0 .79 .47 .61 .74 23.0 6.7 .93 .47 .62 .76 21.8 6.4 1.10 .47 .63 .78 20.6 6.0 1.30 .48 .64 .80
SECOND STAGE COOLING CAPACITY − XC21−024 with [CH33−42B−2F + G61MPV−36B−045]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F840 395 25.8 7.6 1.29 .78 .93 1.00 24.6 7.2 1.51 .79 .95 1.00 23.2 6.8 1.75 .81 .98 1.00 21.8 6.4 2.02 .84 1.00 1.00
63�F(17�C)
840 395 25.8 7.6 1.29 .78 .93 1.00 24.6 7.2 1.51 .79 .95 1.00 23.2 6.8 1.75 .81 .98 1.00 21.8 6.4 2.02 .84 1.00 1.00(17�C)
1050 495 27.0 7.9 1.29 .83 .99 1.00 25.8 7.6 1.51 .84 1.00 1.00 24.6 7.2 1.75 .88 1.00 1.00 23.2 6.8 2.02 .91 1.00 1.00
67�F840 395 27.4 8.0 1.30 .61 .75 .89 26.0 7.6 1.51 .62 .77 .92 24.6 7.2 1.75 .63 .79 .94 23.0 6.7 2.02 .65 .82 .98
67�F(19�C)
840 395 27.4 8.0 1.30 .61 .75 .89 26.0 7.6 1.51 .62 .77 .92 24.6 7.2 1.75 .63 .79 .94 23.0 6.7 2.02 .65 .82 .98(19�C)
1050 495 28.6 8.4 1.30 .64 .81 .96 27.0 7.9 1.51 .65 .83 .99 25.6 7.5 1.75 .67 .86 1.00 24.0 7.0 2.02 .70 .89 1.00
71�F840 395 29.0 8.5 1.30 .46 .60 .73 27.6 8.1 1.52 .47 .61 .75 26.0 7.6 1.75 .47 .62 .77 24.4 7.2 2.03 .48 .63 .79
71�F(22�C)
840 395 29.0 8.5 1.30 .46 .60 .73 27.6 8.1 1.52 .47 .61 .75 26.0 7.6 1.75 .47 .62 .77 24.4 7.2 2.03 .48 .63 .79(22�C)
1050 495 30.2 8.9 1.31 .48 .63 .79 28.6 8.4 1.52 .48 .64 .81 27.0 7.9 1.76 .48 .65 .83 25.4 7.4 2.03 .50 .68 .86
FIRST STAGE COOLING CAPACITY − XC21−024 with [CH33−42B−2F + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F625 295 20.4 6.0 .77 .76 .91 1.00 19.5 5.7 .93 .78 .93 1.00 18.5 5.4 1.10 .80 .96 1.00 17.4 5.1 1.30 .83 .99 1.00
63�F(17�C)
625 295 20.4 6.0 .77 .76 .91 1.00 19.5 5.7 .93 .78 .93 1.00 18.5 5.4 1.10 .80 .96 1.00 17.4 5.1 1.30 .83 .99 1.00(17�C)
725 340 21.2 6.2 .77 .80 .96 1.00 20.2 5.9 .93 .82 .98 1.00 19.2 5.6 1.10 .84 1.00 1.00 18.2 5.3 1.30 .87 1.00 1.00
67�F625 295 21.8 6.4 .78 .60 .74 .87 20.8 6.1 .93 .61 .75 .89 19.8 5.8 1.10 .62 .77 .92 18.7 5.5 1.30 .63 .79 .95
67�F(19�C)
625 295 21.8 6.4 .78 .60 .74 .87 20.8 6.1 .93 .61 .75 .89 19.8 5.8 1.10 .62 .77 .92 18.7 5.5 1.30 .63 .79 .95(19�C)
725 340 22.6 6.6 .78 .62 .78 .92 21.6 6.3 .93 .63 .79 .94 20.4 6.0 1.10 .64 .81 .97 19.2 5.6 1.30 .66 .84 1.00
71�F625 295 23.2 6.8 .78 .46 .59 .71 22.2 6.5 .93 .46 .60 .73 21.2 6.2 1.10 .47 .61 .74 19.9 5.8 1.30 .47 .62 .77
71�F(22�C)
625 295 23.2 6.8 .78 .46 .59 .71 22.2 6.5 .93 .46 .60 .73 21.2 6.2 1.10 .47 .61 .74 19.9 5.8 1.30 .47 .62 .77(22�C)
725 340 24.0 7.0 .79 .47 .61 .75 23.0 6.7 .93 .47 .62 .76 21.8 6.4 1.10 .47 .63 .78 20.6 6.0 1.30 .48 .64 .80
SECOND STAGE COOLING CAPACITY − XC21−024 with [CH33−42B−2F + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F830 390 25.8 7.6 1.29 .77 .92 1.00 24.6 7.2 1.51 .79 .95 1.00 23.2 6.8 1.74 .81 .98 1.00 21.8 6.4 2.01 .84 1.00 1.00
63�F(17�C)
830 390 25.8 7.6 1.29 .77 .92 1.00 24.6 7.2 1.51 .79 .95 1.00 23.2 6.8 1.74 .81 .98 1.00 21.8 6.4 2.01 .84 1.00 1.00(17�C)
1020 480 27.0 7.9 1.30 .82 .99 1.00 25.6 7.5 1.51 .84 1.00 1.00 24.4 7.2 1.75 .87 1.00 1.00 23.0 6.7 2.02 .90 1.00 1.00
67�F830 390 27.4 8.0 1.30 .61 .75 .89 26.0 7.6 1.51 .62 .76 .91 24.6 7.2 1.75 .63 .78 .94 23.0 6.7 2.01 .65 .81 .97
67�F(19�C)
830 390 27.4 8.0 1.30 .61 .75 .89 26.0 7.6 1.51 .62 .76 .91 24.6 7.2 1.75 .63 .78 .94 23.0 6.7 2.01 .65 .81 .97(19�C)
1020 480 28.4 8.3 1.30 .64 .80 .95 27.0 7.9 1.51 .65 .82 .98 25.4 7.4 1.75 .66 .85 1.00 23.8 7.0 2.02 .69 .88 1.00
71�F830 390 29.0 8.5 1.30 .46 .60 .73 27.6 8.1 1.52 .47 .61 .74 26.0 7.6 1.76 .47 .62 .76 24.4 7.2 2.03 .48 .63 .78
71�F(22�C)
830 390 29.0 8.5 1.30 .46 .60 .73 27.6 8.1 1.52 .47 .61 .74 26.0 7.6 1.76 .47 .62 .76 24.4 7.2 2.03 .48 .63 .78(22�C)
1020 480 30.0 8.8 1.31 .47 .63 .77 28.6 8.4 1.52 .48 .64 .80 27.0 7.9 1.76 .48 .65 .81 25.2 7.4 2.03 .49 .68 .85
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 2 TON
HORIZONTAL INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 48
FIRST STAGE COOLING CAPACITY − XC21−024 with [CH33−44/48B−2F + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F625 295 20.2 5.9 .77 .78 .92 1.00 19.4 5.7 .93 .79 .94 1.00 18.4 5.4 1.10 .81 .97 1.00 17.4 5.1 1.30 .84 1.00 1.00
63�F(17�C)
625 295 20.2 5.9 .77 .78 .92 1.00 19.4 5.7 .93 .79 .94 1.00 18.4 5.4 1.10 .81 .97 1.00 17.4 5.1 1.30 .84 1.00 1.00(17�C)
740 350 21.2 6.2 .78 .82 .97 1.00 20.2 5.9 .93 .83 .99 1.00 19.3 5.7 1.10 .86 1.00 1.00 18.3 5.4 1.30 .89 1.00 1.00
67�F625 295 21.4 6.3 .78 .61 .75 .89 20.4 6.0 .93 .62 .77 .91 19.5 5.7 1.10 .63 .79 .93 18.3 5.4 1.30 .65 .81 .96
67�F(19�C)
625 295 21.4 6.3 .78 .61 .75 .89 20.4 6.0 .93 .62 .77 .91 19.5 5.7 1.10 .63 .79 .93 18.3 5.4 1.30 .65 .81 .96(19�C)
740 350 22.2 6.5 .78 .64 .79 .94 21.2 6.2 .93 .65 .81 .96 20.2 5.9 1.10 .66 .83 .99 19.0 5.6 1.30 .68 .86 1.00
71�F625 295 22.4 6.6 .78 .46 .60 .73 21.6 6.3 .93 .47 .61 .74 20.4 6.0 1.10 .47 .62 .76 19.3 5.7 1.30 .48 .63 .78
71�F(22�C)
625 295 22.4 6.6 .78 .46 .60 .73 21.6 6.3 .93 .47 .61 .74 20.4 6.0 1.10 .47 .62 .76 19.3 5.7 1.30 .48 .63 .78(22�C)
740 350 23.4 6.9 .78 .47 .62 .76 22.4 6.6 .93 .48 .63 .78 21.2 6.2 1.10 .48 .65 .80 20.0 5.9 1.30 .49 .66 .83
SECOND STAGE COOLING CAPACITY − XC21−024 with [CH33−44/48B−2F + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F825 390 25.4 7.4 1.29 .78 .93 1.00 24.2 7.1 1.50 .80 .96 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.02 .85 1.00 1.00
63�F(17�C)
825 390 25.4 7.4 1.29 .78 .93 1.00 24.2 7.1 1.50 .80 .96 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.02 .85 1.00 1.00(17�C)
1035 490 26.8 7.9 1.29 .84 1.00 1.00 25.6 7.5 1.51 .86 1.00 1.00 24.2 7.1 1.75 .89 1.00 1.00 23.0 6.7 2.02 .92 1.00 1.00
67�F825 390 26.8 7.9 1.29 .62 .76 .90 25.4 7.4 1.51 .63 .78 .93 24.2 7.1 1.75 .64 .80 .95 22.6 6.6 2.02 .66 .83 .98
67�F(19�C)
825 390 26.8 7.9 1.29 .62 .76 .90 25.4 7.4 1.51 .63 .78 .93 24.2 7.1 1.75 .64 .80 .95 22.6 6.6 2.02 .66 .83 .98(19�C)
1035 490 28.0 8.2 1.30 .65 .82 .97 26.6 7.8 1.51 .66 .84 .99 25.0 7.3 1.74 .68 .87 1.00 23.4 6.9 2.02 .70 .90 1.00
71�F825 390 28.0 8.2 1.30 .47 .61 .74 26.6 7.8 1.51 .47 .62 .75 25.2 7.4 1.75 .48 .63 .78 23.8 7.0 2.03 .48 .64 .80
71�F(22�C)
825 390 28.0 8.2 1.30 .47 .61 .74 26.6 7.8 1.51 .47 .62 .75 25.2 7.4 1.75 .48 .63 .78 23.8 7.0 2.03 .48 .64 .80(22�C)
1035 490 29.2 8.6 1.30 .48 .64 .79 27.8 8.1 1.52 .49 .65 .82 26.4 7.7 1.76 .49 .67 .84 24.8 7.3 2.02 .50 .69 .87
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CBX32M/CB31M/CB30U] [CBX32MV/CB31MV] air handlers.
RATINGS 2 TON
AIR HANDLERS
XC21 − 2 to 5 Ton Air Conditioner / Page 49
FIRST STAGE COOLING CAPACITY − XC21−024 with [CBX32M−030][CB30M−31] [CB30U−31]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F460 215 19.0 5.6 .77 .72 .84 .96 18.1 5.3 .93 .72 .85 .98 17.2 5.0 1.10 .74 .88 1.00 16.2 4.7 1.31 .76 .90 1.00
63�F(17�C)
560 265 20.0 5.9 .77 .75 .89 1.00 19.1 5.6 .92 .77 .91 1.00 18.1 5.3 1.10 .79 .94 1.00 17.1 5.0 1.30 .81 .97 1.00(17�C)
660 310 20.8 6.1 .77 .79 .94 1.00 19.9 5.8 .93 .81 .97 1.00 18.9 5.5 1.10 .83 .99 1.00 17.8 5.2 1.30 .85 1.00 1.00
67�F460 215 20.2 5.9 .77 .57 .69 .80 19.4 5.7 .92 .58 .70 .82 18.4 5.4 1.10 .58 .71 .83 17.4 5.1 1.30 .59 .73 .86
67�F(19�C)
560 265 21.4 6.3 .77 .60 .73 .85 20.4 6.0 .93 .60 .74 .87 19.4 5.7 1.10 .61 .75 .90 18.2 5.3 1.30 .63 .78 .93(19�C)
660 310 22.2 6.5 .78 .62 .76 .90 21.2 6.2 .93 .63 .78 .93 20.2 5.9 1.10 .64 .80 .95 18.9 5.5 1.30 .65 .82 .98
71�F460 215 21.4 6.3 .77 .44 .55 .66 20.6 6.0 .93 .45 .56 .67 19.6 5.7 1.10 .45 .57 .68 18.5 5.4 1.30 .45 .58 .70
71�F(22�C)
560 265 22.6 6.6 .78 .45 .57 .69 21.6 6.3 .93 .45 .59 .71 20.6 6.0 1.10 .46 .59 .73 19.5 5.7 1.30 .46 .61 .75(22�C)
660 310 23.6 6.9 .78 .46 .60 .74 22.6 6.6 .93 .47 .61 .75 21.4 6.3 1.10 .47 .62 .77 20.2 5.9 1.30 .48 .64 .79
SECOND STAGE COOLING CAPACITY − XC21−024 with [CBX32M−030][CB30M−31] [CB30U−31]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F600 285 24.0 7.0 1.29 .72 .84 .96 22.8 6.7 1.50 .73 .86 .98 21.6 6.3 1.74 .75 .88 1.00 20.2 5.9 2.01 .77 .91 1.00
63�F(17�C)
800 380 25.6 7.5 1.29 .78 .93 1.00 24.4 7.2 1.50 .80 .95 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.02 .84 1.00 1.00(17�C)
1000 470 26.8 7.9 1.29 .84 .99 1.00 25.6 7.5 1.51 .86 1.00 1.00 24.4 7.2 1.75 .88 1.00 1.00 23.0 6.7 2.02 .92 1.00 1.00
67�F600 285 25.4 7.4 1.28 .58 .69 .81 24.2 7.1 1.50 .58 .71 .83 23.0 6.7 1.74 .59 .72 .85 21.6 6.3 2.02 .60 .74 .88
67�F(19�C)
800 380 27.2 8.0 1.30 .61 .75 .89 25.8 7.6 1.51 .62 .77 .92 24.4 7.2 1.75 .63 .79 .95 22.8 6.7 2.02 .65 .82 .98(19�C)
1000 470 28.2 8.3 1.30 .65 .81 .97 26.8 7.9 1.51 .66 .83 .99 25.4 7.4 1.75 .67 .86 1.00 23.6 6.9 2.02 .70 .89 1.00
71�F600 285 26.8 7.9 1.29 .45 .56 .67 25.6 7.5 1.51 .45 .57 .68 24.2 7.1 1.74 .45 .58 .70 22.8 6.7 2.02 .45 .59 .72
71�F(22�C)
800 380 28.6 8.4 1.30 .46 .60 .73 27.2 8.0 1.51 .46 .61 .75 25.8 7.6 1.75 .47 .62 .77 24.2 7.1 2.02 .48 .64 .80(22�C)
1000 470 29.8 8.7 1.31 .48 .64 .79 28.4 8.3 1.52 .48 .65 .81 26.8 7.9 1.76 .49 .66 .84 25.2 7.4 2.03 .50 .69 .86
FIRST STAGE COOLING CAPACITY − XC21−024 with [CBX32M−036][CB30M−41] [CB30U−41/46]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F460 215 19.1 5.6 .77 .72 .84 .96 18.2 5.3 .93 .73 .85 .98 17.2 5.0 1.10 .74 .88 1.00 16.2 4.7 1.31 .76 .90 1.00
63�F(17�C)
560 265 20.2 5.9 .77 .75 .89 1.00 19.2 5.6 .92 .76 .91 1.00 18.2 5.3 1.10 .79 .94 1.00 17.1 5.0 1.30 .81 .97 1.00(17�C)
660 310 21.0 6.2 .77 .79 .94 1.00 20.0 5.9 .93 .81 .97 1.00 18.9 5.5 1.10 .83 .99 1.00 17.9 5.2 1.30 .85 1.00 1.00
67�F460 215 20.4 6.0 .77 .57 .69 .80 19.4 5.7 .92 .58 .70 .82 18.5 5.4 1.10 .59 .71 .83 17.4 5.1 1.30 .59 .73 .86
67�F(19�C)
560 265 21.4 6.3 .78 .59 .73 .85 20.6 6.0 .93 .60 .74 .87 19.5 5.7 1.10 .61 .76 .90 18.3 5.4 1.30 .62 .78 .93(19�C)
660 310 22.4 6.6 .78 .62 .76 .91 21.4 6.3 .93 .63 .78 .93 20.2 5.9 1.10 .64 .80 .96 19.0 5.6 1.30 .65 .82 .98
71�F460 215 21.6 6.3 .77 .44 .55 .66 20.6 6.0 .93 .45 .56 .67 19.6 5.7 1.10 .45 .57 .68 18.6 5.5 1.30 .45 .58 .70
71�F(22�C)
560 265 22.8 6.7 .78 .45 .58 .70 21.8 6.4 .93 .45 .59 .71 20.6 6.0 1.10 .46 .60 .73 19.5 5.7 1.30 .46 .61 .75(22�C)
660 310 23.8 7.0 .78 .46 .60 .73 22.6 6.6 .93 .47 .61 .75 21.6 6.3 1.10 .47 .62 .77 20.2 5.9 1.30 .48 .64 .80
SECOND STAGE COOLING CAPACITY − XC21−024 with [CBX32M−036][CB30M−41] [CB30U−41/46]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F600 285 24.2 7.1 1.29 .72 .85 .97 23.0 6.7 1.50 .73 .86 .99 21.6 6.3 1.74 .75 .89 1.00 20.4 6.0 2.01 .77 .92 1.00
63�F(17�C)
800 380 25.8 7.6 1.29 .78 .93 1.00 24.6 7.2 1.50 .80 .96 1.00 23.2 6.8 1.75 .82 .98 1.00 21.8 6.4 2.01 .85 1.00 1.00(17�C)
1000 470 27.0 7.9 1.30 .84 1.00 1.00 25.8 7.6 1.51 .86 1.00 1.00 24.4 7.2 1.75 .89 1.00 1.00 23.2 6.8 2.02 .92 1.00 1.00
67�F600 285 25.6 7.5 1.29 .58 .69 .81 24.4 7.2 1.50 .58 .71 .83 23.0 6.7 1.74 .59 .72 .85 21.6 6.3 2.02 .60 .74 .88
67�F(19�C)
800 380 27.4 8.0 1.30 .61 .76 .90 26.0 7.6 1.51 .62 .77 .92 24.4 7.2 1.75 .64 .80 .95 23.0 6.7 2.01 .65 .82 .98(19�C)
1000 470 28.4 8.3 1.30 .65 .81 .97 27.0 7.9 1.51 .66 .84 .99 25.4 7.4 1.75 .68 .86 1.00 23.8 7.0 2.02 .70 .90 1.00
71�F600 285 27.0 7.9 1.29 .45 .56 .67 25.6 7.5 1.51 .45 .57 .68 24.4 7.2 1.74 .45 .57 .70 23.0 6.7 2.02 .45 .59 .72
71�F(22�C)
800 380 28.8 8.4 1.30 .46 .60 .73 27.4 8.0 1.51 .46 .61 .75 26.0 7.6 1.76 .47 .62 .77 24.4 7.2 2.02 .48 .64 .80(22�C)
1000 470 30.0 8.8 1.31 .48 .64 .79 28.6 8.4 1.52 .48 .65 .81 27.0 7.9 1.76 .48 .66 .84 25.2 7.4 2.03 .50 .69 .87
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CBX32M/CB31M/CB30U] [CBX32MV/CB31MV] air handlers.
RATINGS 2 TON
AIR HANDLERS
XC21 − 2 to 5 Ton Air Conditioner / Page 50
XC21−024 with − CBX32M−042 − FIRST STAGE COOLINGCAPACITY −
[CBX32M−042][CB30M−46]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F460 215 19.1 5.6 .77 .72 .84 .96 18.2 5.3 .93 .73 .85 .98 17.2 5.0 1.10 .74 .88 1.00 16.2 4.7 1.31 .76 .90 1.00
63�F(17�C)
560 265 20.2 5.9 .77 .75 .89 1.00 19.2 5.6 .92 .76 .91 1.00 18.2 5.3 1.10 .79 .94 1.00 17.1 5.0 1.30 .81 .97 1.00(17�C)
660 310 21.0 6.2 .77 .79 .94 1.00 20.0 5.9 .93 .81 .97 1.00 18.9 5.5 1.10 .83 .99 1.00 17.9 5.2 1.30 .85 1.00 1.00
67�F460 215 20.4 6.0 .77 .57 .69 .80 19.4 5.7 .92 .58 .70 .82 18.5 5.4 1.10 .59 .71 .83 17.4 5.1 1.30 .59 .73 .86
67�F(19�C)
560 265 21.4 6.3 .78 .59 .73 .85 20.6 6.0 .93 .60 .74 .87 19.5 5.7 1.10 .61 .76 .90 18.3 5.4 1.30 .62 .78 .93(19�C)
660 310 22.4 6.6 .78 .62 .76 .91 21.4 6.3 .93 .63 .78 .93 20.2 5.9 1.10 .64 .80 .96 19.0 5.6 1.30 .65 .82 .98
71�F460 215 21.6 6.3 .77 .44 .55 .66 20.6 6.0 .93 .45 .56 .67 19.6 5.7 1.10 .45 .57 .68 18.6 5.5 1.30 .45 .58 .70
71�F(22�C)
560 265 22.8 6.7 .78 .45 .58 .70 21.8 6.4 .93 .45 .59 .71 20.6 6.0 1.10 .46 .60 .73 19.5 5.7 1.30 .46 .61 .75(22�C)
660 310 23.8 7.0 .78 .46 .60 .73 22.6 6.6 .93 .47 .61 .75 21.6 6.3 1.10 .47 .62 .77 20.2 5.9 1.30 .48 .64 .80
XC21−024 with − CBX32M−042 − SECOND STAGE COOLINGCAPACITY −
[CBX32M−042][CB30M−46]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F600 285 24.2 7.1 1.29 .72 .85 .97 23.0 6.7 1.50 .73 .86 .99 21.6 6.3 1.74 .75 .89 1.00 20.4 6.0 2.01 .77 .92 1.00
63�F(17�C)
800 380 25.8 7.6 1.29 .78 .93 1.00 24.6 7.2 1.50 .80 .96 1.00 23.2 6.8 1.75 .82 .98 1.00 21.8 6.4 2.01 .85 1.00 1.00(17�C)
1000 470 27.0 7.9 1.30 .84 1.00 1.00 25.8 7.6 1.51 .86 1.00 1.00 24.4 7.2 1.75 .89 1.00 1.00 23.2 6.8 2.02 .92 1.00 1.00
67�F600 285 25.6 7.5 1.29 .58 .69 .81 24.4 7.2 1.50 .58 .71 .83 23.0 6.7 1.74 .59 .72 .85 21.6 6.3 2.02 .60 .74 .88
67�F(19�C)
800 380 27.4 8.0 1.30 .61 .76 .90 26.0 7.6 1.51 .62 .77 .92 24.4 7.2 1.75 .64 .80 .95 23.0 6.7 2.01 .65 .82 .98(19�C)
1000 470 28.4 8.3 1.30 .65 .81 .97 27.0 7.9 1.51 .66 .84 .99 25.4 7.4 1.75 .68 .86 1.00 23.8 7.0 2.02 .70 .90 1.00
71�F600 285 27.0 7.9 1.29 .45 .56 .67 25.6 7.5 1.51 .45 .57 .68 24.4 7.2 1.74 .45 .57 .70 23.0 6.7 2.02 .45 .59 .72
71�F(22�C)
800 380 28.8 8.4 1.30 .46 .60 .73 27.4 8.0 1.51 .46 .61 .75 26.0 7.6 1.76 .47 .62 .77 24.4 7.2 2.02 .48 .64 .80(22�C)
1000 470 30.0 8.8 1.31 .48 .64 .79 28.6 8.4 1.52 .48 .65 .81 27.0 7.9 1.76 .48 .66 .84 25.2 7.4 2.03 .50 .69 .87
FIRST STAGE COOLING CAPACITY − XC21−024 with [CBX32MV−018/024]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F495 235 19.1 5.6 .77 .72 .85 .97 18.3 5.4 .92 .74 .87 .99 17.4 5.1 1.10 .75 .89 1.00 16.3 4.8 1.31 .77 .92 1.00
63�F(17�C)
595 280 20.0 5.9 .77 .76 .90 1.00 19.2 5.6 .93 .78 .92 1.00 18.2 5.3 1.10 .80 .95 1.00 17.1 5.0 1.30 .82 .98 1.00(17�C)
695 330 20.8 6.1 .77 .80 .95 1.00 19.9 5.8 .93 .81 .97 1.00 18.9 5.5 1.10 .83 .99 1.00 17.9 5.2 1.30 .86 1.00 1.00
67�F495 235 20.4 6.0 .77 .58 .70 .81 19.5 5.7 .93 .58 .71 .83 18.6 5.5 1.10 .59 .72 .85 17.5 5.1 1.30 .60 .74 .88
67�F(19�C)
595 280 21.4 6.3 .78 .60 .74 .87 20.4 6.0 .93 .61 .75 .89 19.4 5.7 1.10 .62 .77 .91 18.3 5.4 1.30 .63 .79 .94(19�C)
695 330 22.2 6.5 .78 .62 .77 .91 21.2 6.2 .93 .63 .79 .94 20.0 5.9 1.10 .64 .81 .96 18.9 5.5 1.30 .65 .83 .99
71�F495 235 21.6 6.3 .78 .45 .56 .67 20.8 6.1 .93 .45 .56 .68 19.8 5.8 1.10 .45 .57 .69 18.7 5.5 1.30 .45 .59 .72
71�F(22�C)
595 280 22.8 6.7 .78 .45 .58 .71 21.8 6.4 .93 .46 .59 .72 20.6 6.0 1.10 .46 .60 .74 19.5 5.7 1.30 .47 .62 .76(22�C)
695 330 23.6 6.9 .78 .46 .61 .75 22.6 6.6 .93 .47 .62 .76 21.4 6.3 1.10 .47 .63 .78 20.2 5.9 1.30 .48 .64 .80
SECOND STAGE COOLING CAPACITY − XC21−024 with [CBX32MV−018/024]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F625 295 24.0 7.0 1.29 .72 .85 .97 22.8 6.7 1.50 .74 .87 .99 21.6 6.3 1.74 .75 .89 1.00 20.2 5.9 2.02 .77 .92 1.00
63�F(17�C)
825 390 25.4 7.4 1.29 .78 .93 1.00 24.2 7.1 1.50 .80 .95 1.00 23.0 6.7 1.74 .82 .98 1.00 21.6 6.3 2.01 .85 1.00 1.00(17�C)
1025 485 26.6 7.8 1.30 .84 .99 1.00 25.4 7.4 1.51 .85 1.00 1.00 24.0 7.0 1.75 .88 1.00 1.00 22.8 6.7 2.03 .92 1.00 1.00
67�F625 295 25.4 7.4 1.29 .58 .70 .81 24.2 7.1 1.50 .58 .71 .84 23.0 6.7 1.74 .59 .72 .86 21.6 6.3 2.01 .61 .75 .89
67�F(19�C)
825 390 27.0 7.9 1.30 .61 .76 .90 25.6 7.5 1.51 .62 .77 .92 24.2 7.1 1.75 .63 .79 .95 22.8 6.7 2.02 .65 .82 .98(19�C)
1025 485 28.0 8.2 1.30 .65 .81 .97 26.6 7.8 1.51 .66 .83 .99 25.0 7.3 1.75 .67 .86 1.00 23.4 6.9 2.03 .69 .89 1.00
71�F625 295 26.8 7.9 1.29 .44 .56 .67 25.6 7.5 1.51 .45 .57 .69 24.2 7.1 1.74 .45 .58 .70 22.8 6.7 2.02 .45 .59 .72
71�F(22�C)
825 390 28.4 8.3 1.30 .46 .60 .73 27.0 7.9 1.51 .47 .61 .75 25.6 7.5 1.75 .47 .62 .77 24.0 7.0 2.02 .48 .64 .80(22�C)
1025 485 29.6 8.7 1.31 .48 .64 .79 28.0 8.2 1.52 .48 .65 .81 26.6 7.8 1.75 .49 .66 .84 24.8 7.3 2.03 .49 .68 .87
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CBX32M/CB31M/CB30U] [CBX32MV/CB31MV] air handlers.
RATINGS 2 TON
AIR HANDLERS
XC21 − 2 to 5 Ton Air Conditioner / Page 51
FIRST STAGE COOLING CAPACITY − XC21−024 with [CBX32MV−024/030]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F450 210 18.8 5.5 .77 .71 .83 .95 18.0 5.3 .92 .72 .85 .97 17.1 5.0 1.10 .74 .87 .99 16.1 4.7 1.30 .75 .90 1.00
63�F(17�C)
550 260 19.9 5.8 .77 .75 .89 1.00 19.0 5.6 .92 .76 .91 1.00 18.0 5.3 1.10 .78 .93 1.00 17.0 5.0 1.30 .80 .96 1.00(17�C)
650 305 20.8 6.1 .77 .79 .94 1.00 19.8 5.8 .92 .80 .96 1.00 18.8 5.5 1.10 .82 .98 1.00 17.7 5.2 1.30 .84 1.00 1.00
67�F450 210 20.0 5.9 .77 .57 .69 .80 19.2 5.6 .93 .58 .70 .81 18.3 5.4 1.10 .58 .71 .83 17.2 5.0 1.31 .59 .73 .85
67�F(19�C)
550 260 21.2 6.2 .78 .59 .72 .85 20.4 6.0 .93 .60 .74 .87 19.3 5.7 1.10 .61 .75 .89 18.2 5.3 1.30 .62 .77 .92(19�C)
650 305 22.2 6.5 .78 .62 .76 .90 21.2 6.2 .93 .62 .78 .92 20.0 5.9 1.10 .64 .80 .95 18.8 5.5 1.30 .65 .82 .98
71�F450 210 21.4 6.3 .77 .44 .55 .66 20.4 6.0 .93 .45 .56 .67 19.4 5.7 1.10 .45 .57 .68 18.4 5.4 1.30 .45 .58 .70
71�F(22�C)
550 260 22.6 6.6 .78 .45 .57 .69 21.6 6.3 .93 .45 .58 .71 20.6 6.0 1.10 .46 .59 .72 19.4 5.7 1.30 .46 .61 .75(22�C)
650 305 23.6 6.9 .78 .46 .60 .73 22.4 6.6 .93 .47 .61 .75 21.4 6.3 1.10 .47 .62 .77 20.0 5.9 1.30 .48 .63 .79
SECOND STAGE COOLING CAPACITY − XC21−024 with [CBX32MV−024/030]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F530 250 23.2 6.8 1.28 .70 .81 .93 22.2 6.5 1.50 .71 .83 .95 21.0 6.2 1.74 .72 .85 .97 19.7 5.8 2.01 .74 .87 1.00
63�F(17�C)
730 345 25.2 7.4 1.29 .76 .90 1.00 23.8 7.0 1.51 .77 .92 1.00 22.6 6.6 1.74 .79 .95 1.00 21.2 6.2 2.02 .82 .98 1.00(17�C)
930 440 26.4 7.7 1.29 .82 .98 1.00 25.2 7.4 1.50 .84 .99 1.00 23.8 7.0 1.75 .86 1.00 1.00 22.6 6.6 2.02 .89 1.00 1.00
67�F530 250 24.6 7.2 1.29 .57 .67 .78 23.4 6.9 1.50 .57 .68 .80 22.2 6.5 1.74 .58 .70 .82 21.0 6.2 2.01 .58 .71 .84
67�F(19�C)
730 345 26.6 7.8 1.29 .60 .73 .86 25.4 7.4 1.51 .61 .75 .89 24.0 7.0 1.75 .62 .77 .91 22.4 6.6 2.02 .63 .79 .95(19�C)
930 440 28.0 8.2 1.30 .63 .79 .95 26.6 7.8 1.51 .65 .81 .97 25.0 7.3 1.75 .66 .84 .99 23.4 6.9 2.02 .68 .87 1.00
71�F530 250 26.0 7.6 1.29 .44 .55 .65 24.8 7.3 1.50 .44 .55 .66 23.6 6.9 1.74 .44 .56 .67 22.2 6.5 2.01 .45 .57 .69
71�F(22�C)
730 345 28.0 8.2 1.30 .45 .58 .71 26.8 7.9 1.51 .46 .59 .72 25.4 7.4 1.75 .46 .60 .75 23.8 7.0 2.02 .47 .62 .77(22�C)
930 440 29.4 8.6 1.31 .47 .62 .77 28.0 8.2 1.52 .48 .63 .79 26.4 7.7 1.75 .48 .65 .81 24.8 7.3 2.03 .49 .67 .84
FIRST STAGE COOLING CAPACITY − XC21−024 with [CBX32MV−036][CB31MV−41
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F530 250 19.8 5.8 .77 .74 .88 1.00 18.9 5.5 .92 .76 .90 1.00 17.9 5.2 1.09 .77 .92 1.00 16.9 5.0 1.30 .79 .95 1.00
63�F(17�C)
630 295 20.6 6.0 .77 .78 .93 1.00 19.8 5.8 .93 .80 .95 1.00 18.8 5.5 1.10 .82 .98 1.00 17.7 5.2 1.30 .84 1.00 1.00(17�C)
730 345 21.4 6.3 .78 .82 .98 1.00 20.4 6.0 .93 .83 .99 1.00 19.5 5.7 1.10 .86 1.00 1.00 18.5 5.4 1.30 .89 1.00 1.00
67�F530 250 21.2 6.2 .78 .59 .71 .84 20.2 5.9 .93 .59 .73 .85 19.2 5.6 1.10 .60 .74 .88 18.1 5.3 1.30 .62 .76 .91
67�F(19�C)
630 295 22.0 6.4 .78 .61 .75 .89 21.2 6.2 .93 .62 .77 .91 20.0 5.9 1.10 .63 .79 .94 18.8 5.5 1.30 .64 .81 .97(19�C)
730 345 22.8 6.7 .78 .63 .79 .94 21.8 6.4 .93 .64 .81 .96 20.6 6.0 1.10 .66 .83 .99 19.4 5.7 1.30 .67 .86 1.00
71�F530 250 22.4 6.6 .78 .45 .57 .69 21.4 6.3 .93 .45 .58 .70 20.4 6.0 1.10 .45 .59 .72 19.3 5.7 1.30 .46 .60 .73
71�F(22�C)
630 295 23.4 6.9 .78 .46 .59 .72 22.4 6.6 .93 .46 .60 .74 21.2 6.2 1.10 .47 .62 .76 20.0 5.9 1.30 .47 .63 .78(22�C)
730 345 24.2 7.1 .79 .47 .62 .76 23.2 6.8 .94 .47 .63 .78 22.0 6.4 1.10 .48 .64 .80 20.6 6.0 1.30 .48 .66 .83
SECOND STAGE COOLING CAPACITY − XC21−024 with [CBX32MV−036][CB31MV−41
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F700 330 25.0 7.3 1.29 .75 .89 1.00 23.8 7.0 1.50 .76 .91 1.00 22.4 6.6 1.74 .78 .94 1.00 21.0 6.2 2.02 .81 .97 1.00
63�F(17�C)
900 425 26.4 7.7 1.29 .81 .97 1.00 25.2 7.4 1.51 .83 .99 1.00 23.8 7.0 1.75 .85 1.00 1.00 22.4 6.6 2.02 .88 1.00 1.00(17�C)
1100 520 27.6 8.1 1.29 .87 1.00 1.00 26.4 7.7 1.51 .89 1.00 1.00 25.0 7.3 1.75 .92 1.00 1.00 23.6 6.9 2.02 .96 1.00 1.00
67�F700 330 26.6 7.8 1.29 .59 .72 .85 25.2 7.4 1.51 .60 .74 .87 23.8 7.0 1.75 .61 .76 .90 22.4 6.6 2.02 .63 .78 .93
67�F(19�C)
900 425 28.0 8.2 1.30 .63 .79 .94 26.6 7.8 1.51 .64 .81 .96 25.0 7.3 1.75 .65 .83 .99 23.4 6.9 2.02 .67 .86 1.00(19�C)
1100 520 28.8 8.4 1.30 .66 .84 1.00 27.4 8.0 1.51 .68 .87 1.00 25.8 7.6 1.75 .70 .90 1.00 24.2 7.1 2.02 .72 .93 1.00
71�F700 330 28.0 8.2 1.30 .45 .58 .70 26.6 7.8 1.52 .46 .59 .72 25.2 7.4 1.75 .46 .60 .74 23.8 7.0 2.02 .46 .61 .76
71�F(22�C)
900 425 29.4 8.6 1.31 .47 .62 .76 28.0 8.2 1.52 .47 .63 .78 26.4 7.7 1.76 .48 .64 .81 24.8 7.3 2.03 .48 .66 .84(22�C)
1100 520 30.4 8.9 1.31 .48 .65 .82 29.0 8.5 1.52 .49 .66 .85 27.4 8.0 1.76 .50 .69 .88 25.6 7.5 2.03 .50 .71 .91
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 3 TON
UP−FLOW INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 52
FIRST STAGE COOLING CAPACITY − XC21−036 with [CX34−36A/B/B−6F] [C33−36A/B/C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F800 380 26.6 7.8 1.10 .76 .90 1.00 25.4 7.4 1.29 .78 .92 1.00 24.2 7.1 1.50 .79 .94 1.00 22.8 6.7 1.74 .81 .97 1.00
63�F(17�C)
900 425 27.2 8.0 1.11 .79 .93 1.00 26.2 7.7 1.29 .80 .96 1.00 25.0 7.3 1.50 .82 .98 1.00 23.6 6.9 1.75 .84 1.00 1.00(17�C)
1000 470 28.0 8.2 1.11 .81 .96 1.00 26.8 7.9 1.30 .83 .98 1.00 25.6 7.5 1.51 .85 1.00 1.00 24.2 7.1 1.75 .87 1.00 1.00
67�F800 380 28.0 8.2 1.11 .60 .74 .86 26.8 7.9 1.30 .61 .75 .88 25.6 7.5 1.51 .62 .77 .91 24.2 7.1 1.75 .63 .79 .94
67�F(19�C)
900 425 28.8 8.4 1.12 .62 .76 .90 27.6 8.1 1.30 .63 .78 .92 26.2 7.7 1.51 .64 .79 .94 24.8 7.3 1.75 .65 .82 .97(19�C)
1000 470 29.4 8.6 1.12 .63 .78 .93 28.2 8.3 1.30 .64 .80 .95 26.8 7.9 1.51 .65 .82 .98 25.2 7.4 1.76 .67 .85 1.00
71�F800 380 29.4 8.6 1.12 .46 .59 .71 28.2 8.3 1.30 .46 .60 .73 26.8 7.9 1.51 .47 .61 .74 25.4 7.4 1.76 .47 .62 .76
71�F(22�C)
900 425 30.2 8.9 1.13 .47 .60 .73 29.0 8.5 1.31 .47 .61 .75 27.6 8.1 1.52 .47 .62 .77 26.2 7.7 1.76 .48 .64 .79(22�C)
1000 470 31.0 9.1 1.13 .47 .62 .76 29.6 8.7 1.31 .48 .63 .78 28.2 8.3 1.52 .48 .64 .80 26.8 7.9 1.76 .49 .66 .82
SECOND STAGE COOLING CAPACITY − XC21−036 with [CX34−36A/B/B−6F] [C33−36A/B/C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1000 470 35.2 10.3 2.06 .74 .87 .99 33.4 9.8 2.32 .75 .89 1.00 31.6 9.3 2.61 .77 .91 1.00 29.8 8.7 2.93 .79 .94 1.00
63�F(17�C)
1200 565 36.4 10.7 2.07 .77 .92 1.00 34.8 10.2 2.33 .79 .94 1.00 33.0 9.7 2.62 .81 .97 1.00 31.0 9.1 2.94 .83 .99 1.00(17�C)
1400 660 37.6 11.0 2.08 .80 .96 1.00 35.8 10.5 2.34 .82 .98 1.00 34.0 10.0 2.62 .85 1.00 1.00 32.0 9.4 2.95 .87 1.00 1.00
67�F1000 470 37.0 10.8 2.08 .59 .71 .83 35.2 10.3 2.33 .60 .73 .85 33.4 9.8 2.62 .61 .75 .88 31.4 9.2 2.94 .62 .77 .91
67�F(19�C)
1200 565 38.5 11.3 2.09 .61 .75 .88 36.6 10.7 2.34 .62 .77 .91 34.6 10.1 2.63 .63 .78 .93 32.6 9.6 2.95 .65 .81 .96(19�C)
1400 660 39.5 11.6 2.10 .63 .78 .93 37.6 11.0 2.35 .64 .80 .95 35.6 10.4 2.64 .65 .82 .98 33.4 9.8 2.96 .67 .85 1.00
71�F1000 470 38.5 11.3 2.09 .46 .58 .69 36.8 10.8 2.35 .46 .59 .70 35.0 10.3 2.63 .46 .59 .72 32.8 9.6 2.95 .47 .61 .74
71�F(22�C)
1200 565 40.5 11.9 2.10 .46 .60 .73 38.5 11.3 2.36 .47 .61 .74 36.2 10.6 2.64 .47 .62 .76 34.2 10.0 2.97 .48 .63 .78(22�C)
1400 660 41.5 12.2 2.11 .47 .62 .76 39.5 11.6 2.37 .48 .63 .78 37.4 11.0 2.65 .48 .64 .80 35.2 10.3 2.98 .49 .66 .83
FIRST STAGE COOLING CAPACITY − XC21−036 with [CX34−38B−6F] [C33−38A/B]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F800 380 27.4 8.0 1.11 .76 .90 1.00 26.2 7.7 1.29 .77 .92 1.00 24.8 7.3 1.50 .79 .94 1.00 23.4 6.9 1.75 .81 .97 1.00
63�F(17�C)
900 425 28.2 8.3 1.11 .78 .93 1.00 27.0 7.9 1.30 .80 .96 1.00 25.6 7.5 1.51 .82 .98 1.00 24.0 7.0 1.75 .84 1.00 1.00(17�C)
1000 470 28.8 8.4 1.12 .81 .97 1.00 27.6 8.1 1.30 .82 .99 1.00 26.2 7.7 1.51 .84 1.00 1.00 24.8 7.3 1.75 .87 1.00 1.00
67�F800 380 29.2 8.6 1.12 .60 .73 .86 28.0 8.2 1.30 .61 .75 .88 26.4 7.7 1.51 .62 .76 .90 25.0 7.3 1.75 .63 .78 .93
67�F(19�C)
900 425 30.0 8.8 1.12 .62 .76 .90 28.6 8.4 1.31 .62 .77 .92 27.2 8.0 1.51 .63 .79 .94 25.6 7.5 1.76 .65 .81 .97(19�C)
1000 470 30.6 9.0 1.13 .63 .78 .93 29.2 8.6 1.31 .64 .80 .95 27.6 8.1 1.52 .65 .82 .98 26.0 7.6 1.76 .67 .85 1.00
71�F800 380 30.8 9.0 1.13 .46 .58 .71 29.6 8.7 1.31 .46 .59 .72 28.2 8.3 1.52 .46 .60 .74 26.6 7.8 1.76 .47 .61 .76
71�F(22�C)
900 425 31.8 9.3 1.14 .46 .60 .73 30.4 8.9 1.32 .47 .61 .75 28.8 8.4 1.52 .47 .62 .77 27.2 8.0 1.76 .48 .63 .79(22�C)
1000 470 32.4 9.5 1.14 .47 .62 .75 31.0 9.1 1.32 .47 .63 .78 29.4 8.6 1.53 .48 .64 .79 27.8 8.1 1.76 .48 .65 .82
SECOND STAGE COOLING CAPACITY − XC21−036 with [CX34−38B−6F] [C33−38A/B]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1000 470 36.4 10.7 2.07 .74 .87 .99 34.6 10.1 2.33 .75 .88 1.00 32.8 9.6 2.61 .77 .91 1.00 30.8 9.0 2.93 .79 .94 1.00
63�F(17�C)
1200 565 38.0 11.1 2.09 .77 .92 1.00 36.0 10.6 2.34 .79 .94 1.00 34.0 10.0 2.62 .81 .97 1.00 32.0 9.4 2.94 .83 1.00 1.00(17�C)
1400 660 39.0 11.4 2.09 .80 .96 1.00 37.2 10.9 2.35 .82 .99 1.00 35.0 10.3 2.63 .85 1.00 1.00 33.2 9.7 2.96 .88 1.00 1.00
67�F1000 470 38.5 11.3 2.09 .59 .71 .83 36.8 10.8 2.34 .59 .72 .85 34.8 10.2 2.63 .60 .74 .87 32.6 9.6 2.95 .61 .76 .90
67�F(19�C)
1200 565 40.0 11.7 2.10 .60 .75 .88 38.0 11.1 2.36 .62 .76 .90 36.0 10.6 2.64 .63 .78 .93 33.8 9.9 2.96 .64 .81 .97(19�C)
1400 660 41.5 12.2 2.11 .63 .78 .93 39.0 11.4 2.36 .64 .80 .96 37.0 10.8 2.65 .65 .83 .98 34.6 10.1 2.97 .67 .85 1.00
71�F1000 470 40.5 11.9 2.11 .45 .57 .69 38.5 11.3 2.36 .45 .58 .70 36.8 10.8 2.65 .46 .59 .71 34.6 10.1 2.97 .46 .60 .74
71�F(22�C)
1200 565 42.5 12.5 2.12 .46 .59 .72 40.5 11.9 2.37 .46 .60 .74 38.0 11.1 2.66 .47 .62 .76 35.8 10.5 2.98 .47 .63 .78(22�C)
1400 660 43.5 12.7 2.13 .47 .62 .76 41.5 12.2 2.38 .48 .63 .78 39.0 11.4 2.67 .48 .64 .79 36.6 10.7 2.99 .49 .66 .83
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 3 TON
UP−FLOW INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 53
FIRST STAGE COOLING CAPACITY − XC21−036 with [CX34−42B−6F] [C33−42A/B]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F800 380 26.6 7.8 1.10 .76 .90 1.00 25.4 7.4 1.29 .78 .92 1.00 24.2 7.1 1.50 .79 .94 1.00 22.8 6.7 1.74 .81 .97 1.00
63�F(17�C)
900 425 27.2 8.0 1.11 .79 .93 1.00 26.2 7.7 1.29 .80 .96 1.00 25.0 7.3 1.50 .82 .98 1.00 23.6 6.9 1.75 .84 1.00 1.00(17�C)
1000 470 28.0 8.2 1.11 .81 .96 1.00 26.8 7.9 1.30 .83 .98 1.00 25.6 7.5 1.51 .85 1.00 1.00 24.2 7.1 1.75 .87 1.00 1.00
67�F800 380 28.0 8.2 1.11 .60 .74 .86 26.8 7.9 1.30 .61 .75 .88 25.6 7.5 1.51 .62 .77 .91 24.2 7.1 1.75 .63 .79 .94
67�F(19�C)
900 425 28.8 8.4 1.12 .62 .76 .90 27.6 8.1 1.30 .63 .78 .92 26.2 7.7 1.51 .64 .79 .94 24.8 7.3 1.75 .65 .82 .97(19�C)
1000 470 29.4 8.6 1.12 .63 .78 .93 28.2 8.3 1.30 .64 .80 .95 26.8 7.9 1.51 .65 .82 .98 25.2 7.4 1.76 .67 .85 1.00
71�F800 380 29.4 8.6 1.12 .46 .59 .71 28.2 8.3 1.30 .46 .60 .73 26.8 7.9 1.51 .47 .61 .74 25.4 7.4 1.76 .47 .62 .76
71�F(22�C)
900 425 30.2 8.9 1.13 .47 .60 .73 29.0 8.5 1.31 .47 .61 .75 27.6 8.1 1.52 .47 .62 .77 26.2 7.7 1.76 .48 .64 .79(22�C)
1000 470 31.0 9.1 1.13 .47 .62 .76 29.6 8.7 1.31 .48 .63 .78 28.2 8.3 1.52 .48 .64 .80 26.8 7.9 1.76 .49 .66 .82
SECOND STAGE COOLING CAPACITY − XC21−036 with [CX34−42B−6F] [C33−42A/B]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1000 470 35.2 10.3 2.06 .74 .87 .99 33.4 9.8 2.32 .75 .89 1.00 31.6 9.3 2.61 .77 .91 1.00 29.8 8.7 2.93 .79 .94 1.00
63�F(17�C)
1200 565 36.4 10.7 2.07 .77 .92 1.00 34.8 10.2 2.33 .79 .94 1.00 33.0 9.7 2.62 .81 .97 1.00 31.0 9.1 2.94 .83 .99 1.00(17�C)
1400 660 37.6 11.0 2.08 .80 .96 1.00 35.8 10.5 2.34 .82 .98 1.00 34.0 10.0 2.62 .85 1.00 1.00 32.0 9.4 2.95 .87 1.00 1.00
67�F1000 470 37.0 10.8 2.08 .59 .71 .83 35.2 10.3 2.33 .60 .73 .85 33.4 9.8 2.62 .61 .75 .88 31.4 9.2 2.94 .62 .77 .91
67�F(19�C)
1200 565 38.5 11.3 2.09 .61 .75 .88 36.6 10.7 2.34 .62 .77 .91 34.6 10.1 2.63 .63 .78 .93 32.6 9.6 2.95 .65 .81 .96(19�C)
1400 660 39.5 11.6 2.10 .63 .78 .93 37.6 11.0 2.35 .64 .80 .95 35.6 10.4 2.64 .65 .82 .98 33.4 9.8 2.96 .67 .85 1.00
71�F1000 470 38.5 11.3 2.09 .46 .58 .69 36.8 10.8 2.35 .46 .59 .70 35.0 10.3 2.63 .46 .59 .72 32.8 9.6 2.95 .47 .61 .74
71�F(22�C)
1200 565 40.5 11.9 2.10 .46 .60 .73 38.5 11.3 2.36 .47 .61 .74 36.2 10.6 2.64 .47 .62 .76 34.2 10.0 2.97 .48 .63 .78(22�C)
1400 660 41.5 12.2 2.11 .47 .62 .76 39.5 11.6 2.37 .48 .63 .78 37.4 11.0 2.65 .48 .64 .80 35.2 10.3 2.98 .49 .66 .83
FIRST STAGE COOLING CAPACITY − XC21−036 with [C33−44C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F800 380 27.0 7.9 1.11 .75 .89 1.00 25.8 7.6 1.29 .77 .91 1.00 24.6 7.2 1.50 .78 .93 1.00 23.2 6.8 1.75 .80 .96 1.00
63�F(17�C)
900 425 27.8 8.1 1.11 .78 .92 1.00 26.6 7.8 1.30 .79 .95 1.00 25.2 7.4 1.50 .81 .97 1.00 23.8 7.0 1.75 .83 1.00 1.00(17�C)
1000 470 28.4 8.3 1.12 .80 .96 1.00 27.2 8.0 1.30 .82 .98 1.00 25.8 7.6 1.51 .84 1.00 1.00 24.4 7.2 1.75 .86 1.00 1.00
67�F800 380 28.8 8.4 1.12 .59 .73 .85 27.6 8.1 1.30 .61 .74 .87 26.2 7.7 1.51 .61 .76 .89 24.8 7.3 1.75 .63 .78 .92
67�F(19�C)
900 425 29.6 8.7 1.12 .61 .75 .88 28.4 8.3 1.30 .62 .76 .91 26.8 7.9 1.51 .63 .78 .93 25.4 7.4 1.76 .64 .80 .96(19�C)
1000 470 30.2 8.9 1.13 .62 .77 .92 28.8 8.4 1.31 .63 .79 .94 27.4 8.0 1.51 .64 .81 .97 25.8 7.6 1.76 .65 .84 .99
71�F800 380 30.6 9.0 1.13 .45 .58 .70 29.2 8.6 1.31 .45 .59 .71 27.8 8.1 1.52 .46 .60 .73 26.4 7.7 1.76 .47 .61 .75
71�F(22�C)
900 425 31.4 9.2 1.13 .46 .60 .72 30.0 8.8 1.31 .47 .60 .74 28.6 8.4 1.52 .47 .61 .76 27.0 7.9 1.76 .47 .63 .78(22�C)
1000 470 32.2 9.4 1.14 .47 .61 .74 30.6 9.0 1.32 .47 .62 .76 29.2 8.6 1.52 .47 .63 .78 27.4 8.0 1.76 .48 .65 .81
SECOND STAGE COOLING CAPACITY − XC21−036 with [C33−44C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1000 470 36.0 10.6 2.07 .73 .86 .97 34.2 10.0 2.32 .74 .87 1.00 32.4 9.5 2.61 .76 .90 1.00 30.4 8.9 2.93 .78 .93 1.00
63�F(17�C)
1200 565 37.4 11.0 2.08 .76 .90 1.00 35.6 10.4 2.34 .78 .93 1.00 33.6 9.8 2.62 .80 .95 1.00 31.6 9.3 2.94 .82 .98 1.00(17�C)
1400 660 38.5 11.3 2.09 .80 .95 1.00 36.8 10.8 2.34 .81 .97 1.00 34.6 10.1 2.63 .84 1.00 1.00 32.6 9.6 2.95 .86 1.00 1.00
67�F1000 470 38.0 11.1 2.09 .58 .70 .82 36.4 10.7 2.34 .59 .72 .84 34.4 10.1 2.63 .60 .73 .86 32.4 9.5 2.95 .61 .75 .89
67�F(19�C)
1200 565 39.5 11.6 2.10 .60 .73 .87 37.8 11.1 2.35 .61 .75 .89 35.6 10.4 2.64 .62 .77 .92 33.4 9.8 2.96 .64 .80 .95(19�C)
1400 660 41.0 12.0 2.11 .62 .77 .92 39.0 11.4 2.36 .63 .79 .94 36.6 10.7 2.64 .65 .81 .97 34.2 10.0 2.96 .66 .84 1.00
71�F1000 470 40.5 11.9 2.10 .45 .57 .68 38.5 11.3 2.36 .45 .57 .69 36.4 10.7 2.64 .46 .58 .71 34.2 10.0 2.96 .46 .60 .73
71�F(22�C)
1200 565 42.0 12.3 2.11 .46 .59 .71 40.0 11.7 2.37 .46 .59 .73 37.8 11.1 2.65 .47 .61 .75 35.4 10.4 2.98 .47 .62 .77(22�C)
1400 660 43.0 12.6 2.13 .47 .61 .75 41.0 12.0 2.38 .47 .62 .76 39.0 11.4 2.67 .48 .63 .79 36.2 10.6 2.98 .48 .65 .81
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 3 TON
UP−FLOW INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 54
FIRST STAGE COOLING CAPACITY − XC21−036 with [CX34−44/48B/C−6F] [C33−48B/C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F800 380 27.0 7.9 1.11 .75 .89 1.00 25.8 7.6 1.29 .77 .91 1.00 24.6 7.2 1.50 .78 .93 1.00 23.2 6.8 1.75 .80 .96 1.00
63�F(17�C)
900 425 27.8 8.1 1.11 .77 .92 1.00 26.6 7.8 1.30 .79 .94 1.00 25.2 7.4 1.50 .81 .97 1.00 23.8 7.0 1.75 .83 .99 1.00(17�C)
1000 470 28.4 8.3 1.12 .80 .95 1.00 27.2 8.0 1.30 .81 .97 1.00 25.8 7.6 1.51 .83 1.00 1.00 24.4 7.2 1.75 .86 1.00 1.00
67�F800 380 28.8 8.4 1.12 .59 .72 .85 27.6 8.1 1.30 .60 .74 .87 26.2 7.7 1.51 .61 .76 .89 24.6 7.2 1.75 .63 .78 .92
67�F(19�C)
900 425 29.6 8.7 1.12 .61 .75 .88 28.2 8.3 1.30 .62 .76 .90 26.8 7.9 1.51 .63 .78 .93 25.4 7.4 1.76 .64 .80 .96(19�C)
1000 470 30.2 8.9 1.13 .62 .77 .91 29.0 8.5 1.31 .63 .79 .94 27.4 8.0 1.51 .64 .81 .96 25.8 7.6 1.76 .65 .83 .99
71�F800 380 30.6 9.0 1.13 .46 .58 .69 29.2 8.6 1.31 .46 .59 .71 27.8 8.1 1.52 .46 .60 .73 26.4 7.7 1.76 .47 .61 .75
71�F(22�C)
900 425 31.4 9.2 1.13 .46 .59 .72 30.0 8.8 1.31 .47 .60 .74 28.6 8.4 1.52 .47 .61 .75 27.0 7.9 1.76 .47 .63 .78(22�C)
1000 470 32.0 9.4 1.14 .47 .61 .74 30.6 9.0 1.32 .47 .62 .76 29.2 8.6 1.52 .47 .63 .78 27.4 8.0 1.77 .48 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−036 with [CX34−44/48B/C−6F] [C33−48B/C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1000 470 36.0 10.6 2.07 .73 .85 .97 34.4 10.1 2.33 .74 .87 .99 32.4 9.5 2.61 .76 .90 1.00 30.4 8.9 2.93 .78 .92 1.00
63�F(17�C)
1200 565 37.6 11.0 2.08 .75 .90 1.00 35.8 10.5 2.34 .77 .92 1.00 33.8 9.9 2.62 .79 .95 1.00 31.6 9.3 2.94 .82 .98 1.00(17�C)
1400 660 38.5 11.3 2.09 .79 .94 1.00 36.8 10.8 2.35 .81 .97 1.00 34.8 10.2 2.63 .83 .99 1.00 32.6 9.6 2.95 .86 1.00 1.00
67�F1000 470 38.0 11.1 2.09 .58 .70 .82 36.4 10.7 2.34 .59 .72 .84 34.4 10.1 2.63 .60 .73 .86 32.4 9.5 2.95 .61 .75 .89
67�F(19�C)
1200 565 39.5 11.6 2.10 .60 .73 .86 37.8 11.1 2.35 .61 .75 .89 35.8 10.5 2.64 .62 .77 .91 33.4 9.8 2.96 .64 .79 .94(19�C)
1400 660 41.0 12.0 2.11 .62 .76 .91 39.0 11.4 2.36 .63 .79 .93 36.8 10.8 2.65 .64 .81 .96 34.4 10.1 2.96 .66 .83 .99
71�F1000 470 40.5 11.9 2.10 .45 .57 .68 38.5 11.3 2.36 .46 .57 .69 36.4 10.7 2.64 .45 .58 .70 34.2 10.0 2.97 .46 .60 .73
71�F(22�C)
1200 565 42.0 12.3 2.12 .46 .58 .71 40.0 11.7 2.37 .46 .59 .73 37.8 11.1 2.65 .47 .61 .75 35.4 10.4 2.98 .47 .62 .77(22�C)
1400 660 43.0 12.6 2.13 .46 .61 .74 41.0 12.0 2.38 .47 .62 .76 39.0 11.4 2.66 .48 .63 .78 36.4 10.7 2.99 .48 .64 .81
FIRST STAGE COOLING CAPACITY − XC21−036 with [CX34−49C−6F] [C33−49C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT t
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTemperat
ure
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbure
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F800 380 27.2 8.0 1.11 .75 .89 1.00 26.0 7.6 1.30 .76 .91 1.00 24.8 7.3 1.51 .78 .93 1.00 23.4 6.9 1.76 .80 .96 1.00
63�F(17�C)
900 425 28.0 8.2 1.12 .77 .92 1.00 26.8 7.9 1.30 .79 .94 1.00 25.4 7.4 1.52 .81 .97 1.00 24.0 7.0 1.76 .83 1.00 1.00(17�C)
1000 470 28.8 8.4 1.12 .80 .95 1.00 27.6 8.1 1.31 .81 .98 1.00 26.2 7.7 1.52 .84 1.00 1.00 24.8 7.3 1.76 .86 1.00 1.00
67�F800 380 28.8 8.4 1.12 .60 .73 .85 27.6 8.1 1.31 .60 .74 .87 26.4 7.7 1.52 .61 .76 .89 24.8 7.3 1.77 .63 .78 .92
67�F(19�C)
900 425 29.8 8.7 1.13 .61 .75 .88 28.4 8.3 1.31 .62 .76 .90 27.2 8.0 1.52 .63 .78 .93 25.6 7.5 1.77 .64 .80 .96(19�C)
1000 470 30.4 8.9 1.13 .62 .77 .91 29.2 8.6 1.32 .63 .79 .94 27.6 8.1 1.52 .65 .81 .97 26.2 7.7 1.77 .66 .83 .99
71�F800 380 30.6 9.0 1.13 .46 .58 .70 29.2 8.6 1.31 .46 .59 .71 27.8 8.1 1.53 .46 .60 .73 26.4 7.7 1.77 .47 .61 .75
71�F(22�C)
900 425 31.4 9.2 1.14 .46 .59 .72 30.2 8.9 1.32 .47 .60 .74 28.6 8.4 1.53 .47 .62 .76 27.0 7.9 1.77 .48 .63 .78(22�C)
1000 470 32.2 9.4 1.14 .47 .61 .75 30.8 9.0 1.32 .47 .62 .76 29.4 8.6 1.53 .48 .63 .78 27.6 8.1 1.77 .47 .65 .81
SECOND STAGE COOLING CAPACITY − XC21−036 with [CX34−49C−6F] [C33−49C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1000 470 36.4 10.7 2.07 .73 .85 .97 34.6 10.1 2.33 .74 .87 1.00 32.8 9.6 2.61 .76 .90 1.00 30.8 9.0 2.94 .78 .93 1.00
63�F(17�C)
1200 565 38.0 11.1 2.08 .76 .90 1.00 36.2 10.6 2.34 .78 .92 1.00 34.2 10.0 2.62 .80 .95 1.00 32.0 9.4 2.95 .82 .98 1.00(17�C)
1400 660 39.5 11.6 2.10 .79 .95 1.00 37.2 10.9 2.35 .81 .97 1.00 35.2 10.3 2.63 .83 1.00 1.00 33.2 9.7 2.96 .86 1.00 1.00
67�F1000 470 38.5 11.3 2.09 .58 .70 .82 36.6 10.7 2.34 .59 .72 .84 34.8 10.2 2.63 .60 .73 .86 32.6 9.6 2.95 .61 .75 .89
67�F(19�C)
1200 565 40.0 11.7 2.10 .60 .74 .87 38.0 11.1 2.36 .61 .75 .89 36.2 10.6 2.64 .62 .77 .92 33.8 9.9 2.97 .64 .80 .95(19�C)
1400 660 41.5 12.2 2.11 .62 .77 .91 39.5 11.6 2.37 .63 .79 .94 37.2 10.9 2.65 .65 .81 .97 34.8 10.2 2.97 .66 .84 1.00
71�F1000 470 40.5 11.9 2.10 .45 .57 .68 38.5 11.3 2.36 .45 .58 .69 36.6 10.7 2.65 .46 .58 .71 34.4 10.1 2.97 .46 .60 .73
71�F(22�C)
1200 565 42.0 12.3 2.12 .46 .59 .71 40.0 11.7 2.37 .46 .60 .73 38.0 11.1 2.66 .47 .61 .75 35.6 10.4 2.98 .47 .63 .77(22�C)
1400 660 43.5 12.7 2.13 .47 .61 .75 41.5 12.2 2.38 .47 .62 .77 39.0 11.4 2.67 .48 .64 .79 36.8 10.8 2.99 .47 .65 .81
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 3 TON
UP−FLOW INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 55
FIRST STAGE COOLING CAPACITY − XC21−036 with [CX34−50/60C−6F] [C33−50/60C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F800 380 27.4 8.0 1.12 .75 .89 1.00 26.2 7.7 1.31 .77 .91 1.00 24.8 7.3 1.53 .78 .94 1.00 23.4 6.9 1.78 .81 .96 1.00
63�F(17�C)
900 425 28.2 8.3 1.13 .78 .92 1.00 27.0 7.9 1.31 .79 .95 1.00 25.6 7.5 1.53 .81 .97 1.00 24.0 7.0 1.78 .83 1.00 1.00(17�C)
1000 470 28.8 8.4 1.13 .80 .96 1.00 27.6 8.1 1.32 .82 .98 1.00 26.2 7.7 1.53 .84 1.00 1.00 24.8 7.3 1.79 .87 1.00 1.00
67�F800 380 29.2 8.6 1.13 .59 .73 .85 27.8 8.1 1.32 .61 .74 .87 26.4 7.7 1.53 .62 .76 .90 25.0 7.3 1.78 .63 .78 .93
67�F(19�C)
900 425 29.8 8.7 1.13 .61 .75 .88 28.6 8.4 1.32 .62 .76 .91 27.2 8.0 1.53 .63 .79 .93 25.6 7.5 1.78 .64 .81 .96(19�C)
1000 470 30.6 9.0 1.14 .63 .77 .92 29.2 8.6 1.32 .63 .79 .94 27.8 8.1 1.54 .64 .81 .97 26.2 7.7 1.79 .65 .84 1.00
71�F800 380 31.0 9.1 1.14 .45 .58 .70 29.6 8.7 1.32 .46 .59 .71 28.2 8.3 1.54 .46 .60 .73 26.6 7.8 1.78 .47 .61 .75
71�F(22�C)
900 425 31.8 9.3 1.14 .46 .59 .73 30.4 8.9 1.33 .46 .61 .74 29.0 8.5 1.54 .47 .62 .76 27.2 8.0 1.79 .47 .62 .78(22�C)
1000 470 32.6 9.6 1.15 .47 .61 .75 31.0 9.1 1.33 .47 .62 .76 29.6 8.7 1.54 .48 .63 .78 27.8 8.1 1.79 .48 .65 .81
SECOND STAGE COOLING CAPACITY − XC21−036 with [CX34−50/60C−6F] [C33−50/60C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1000 470 36.4 10.7 2.07 .73 .86 .98 34.6 10.1 2.33 .74 .87 1.00 32.8 9.6 2.62 .76 .90 1.00 30.8 9.0 2.94 .78 .93 1.00
63�F(17�C)
1200 565 38.0 11.1 2.08 .76 .91 1.00 36.0 10.6 2.34 .78 .93 1.00 34.2 10.0 2.63 .80 .96 1.00 32.0 9.4 2.94 .82 .99 1.00(17�C)
1400 660 39.0 11.4 2.09 .80 .95 1.00 37.2 10.9 2.35 .82 .98 1.00 35.0 10.3 2.63 .84 1.00 1.00 33.2 9.7 2.96 .87 1.00 1.00
67�F1000 470 38.5 11.3 2.09 .58 .71 .82 36.8 10.8 2.34 .59 .72 .84 34.8 10.2 2.63 .60 .73 .87 32.6 9.6 2.95 .61 .76 .89
67�F(19�C)
1200 565 40.0 11.7 2.10 .60 .74 .87 38.0 11.1 2.35 .62 .76 .89 36.0 10.6 2.64 .63 .77 .92 33.8 9.9 2.96 .64 .80 .95(19�C)
1400 660 41.5 12.2 2.11 .62 .77 .92 39.5 11.6 2.36 .63 .79 .94 37.0 10.8 2.65 .65 .81 .97 34.6 10.1 2.97 .66 .84 1.00
71�F1000 470 41.0 12.0 2.11 .45 .57 .68 39.0 11.4 2.36 .45 .57 .70 36.8 10.8 2.65 .45 .58 .70 34.6 10.1 2.97 .46 .60 .73
71�F(22�C)
1200 565 42.5 12.5 2.12 .46 .59 .71 40.5 11.9 2.37 .46 .60 .73 38.0 11.1 2.66 .47 .61 .75 35.8 10.5 2.98 .47 .63 .77(22�C)
1400 660 43.5 12.7 2.13 .47 .61 .75 41.5 12.2 2.38 .47 .62 .77 39.0 11.4 2.67 .48 .63 .79 36.8 10.8 2.99 .48 .65 .82
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 3 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 56
FIRST STAGE COOLING CAPACITY − XC21−036 with [CX34−36A−6F + G60UHV−36A−070][C33−36A + G60UHV−36A−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F670 315 25.4 7.4 1.11 .74 .86 .97 24.4 7.2 1.29 .75 .88 .99 23.2 6.8 1.51 .76 .90 1.00 22.0 6.4 1.76 .78 .92 1.00
63�F(17�C)
850 400 27.2 8.0 1.11 .78 .92 1.00 26.0 7.6 1.30 .80 .94 1.00 24.8 7.3 1.51 .81 .97 1.00 23.4 6.9 1.76 .84 .99 1.00(17�C)
910 430 27.6 8.1 1.12 .80 .94 1.00 26.4 7.7 1.30 .81 .96 1.00 25.2 7.4 1.52 .83 .99 1.00 23.8 7.0 1.76 .86 1.00 1.00
67�F670 315 26.8 7.9 1.11 .59 .71 .82 25.8 7.6 1.30 .60 .72 .84 24.6 7.2 1.51 .61 .74 .86 23.2 6.8 1.76 .62 .75 .88
67�F(19�C)
850 400 28.6 8.4 1.12 .62 .75 .89 27.4 8.0 1.31 .63 .77 .91 26.0 7.6 1.52 .64 .79 .93 24.6 7.2 1.77 .65 .81 .96(19�C)
910 430 29.2 8.6 1.12 .63 .77 .91 27.8 8.1 1.31 .64 .79 .93 26.4 7.7 1.52 .65 .80 .95 25.0 7.3 1.77 .66 .83 .98
71�F670 315 28.0 8.2 1.12 .46 .57 .68 27.0 7.9 1.30 .46 .58 .70 25.8 7.6 1.52 .46 .59 .71 24.4 7.2 1.77 .47 .60 .73
71�F(22�C)
850 400 30.0 8.8 1.13 .47 .60 .73 28.8 8.4 1.31 .48 .61 .74 27.4 8.0 1.52 .48 .62 .76 26.0 7.6 1.77 .49 .64 .78(22�C)
910 430 30.6 9.0 1.13 .48 .61 .74 29.2 8.6 1.32 .48 .62 .76 27.8 8.1 1.53 .49 .63 .78 26.4 7.7 1.77 .49 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−036 with [CX34−36A−6F + G60UHV−36A−070][C33−36A + G60UHV−36A−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1035 490 35.6 10.4 2.07 .75 .88 1.00 34.0 10.0 2.32 .77 .91 1.00 32.0 9.4 2.61 .79 .93 1.00 30.2 8.9 2.93 .81 .96 1.00
63�F(17�C)
1230 580 37.0 10.8 2.08 .79 .93 1.00 35.2 10.3 2.33 .81 .96 1.00 33.4 9.8 2.61 .83 .98 1.00 31.4 9.2 2.94 .85 1.00 1.00(17�C)
1375 650 37.8 11.1 2.08 .82 .97 1.00 36.0 10.6 2.34 .84 .99 1.00 34.2 10.0 2.62 .86 1.00 1.00 32.2 9.4 2.95 .89 1.00 1.00
67�F1035 490 37.4 11.0 2.08 .61 .73 .85 35.6 10.4 2.33 .61 .75 .87 33.8 9.9 2.62 .63 .76 .90 31.8 9.3 2.95 .64 .78 .93
67�F(19�C)
1230 580 39.0 11.4 2.09 .63 .77 .90 37.0 10.8 2.35 .64 .78 .93 35.0 10.3 2.63 .65 .80 .95 32.8 9.6 2.96 .67 .83 .98(19�C)
1375 650 40.0 11.7 2.10 .65 .79 .94 37.8 11.1 2.35 .66 .81 .96 35.8 10.5 2.64 .67 .84 .99 33.6 9.8 2.96 .69 .86 1.00
71�F1035 490 39.0 11.4 2.09 .47 .59 .71 37.4 11.0 2.35 .47 .60 .72 35.4 10.4 2.63 .48 .61 .74 33.2 9.7 2.95 .48 .63 .76
71�F(22�C)
1230 580 40.5 11.9 2.11 .48 .61 .74 39.0 11.4 2.36 .49 .63 .76 36.8 10.8 2.65 .49 .64 .78 34.6 10.1 2.97 .50 .66 .81(22�C)
1375 650 41.5 12.2 2.11 .49 .63 .77 39.5 11.6 2.37 .50 .65 .79 37.6 11.0 2.66 .50 .66 .81 35.4 10.4 2.98 .51 .68 .84
FIRST STAGE COOLING CAPACITY − XC21−036 with [CX34−36B−6F + G60UHV−36B−090][C33−36B + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F740 350 26.2 7.7 1.11 .75 .88 1.00 25.0 7.3 1.30 .76 .90 1.00 23.8 7.0 1.51 .78 .93 1.00 22.6 6.6 1.76 .80 .95 1.00
63�F(17�C)
840 395 27.0 7.9 1.11 .78 .92 1.00 25.8 7.6 1.30 .79 .94 1.00 24.6 7.2 1.51 .81 .96 1.00 23.2 6.8 1.76 .83 .99 1.00(17�C)
920 435 27.6 8.1 1.11 .80 .95 1.00 26.4 7.7 1.30 .81 .97 1.00 25.2 7.4 1.52 .83 .99 1.00 23.8 7.0 1.76 .86 1.00 1.00
67�F740 350 27.6 8.1 1.11 .60 .73 .85 26.4 7.7 1.30 .61 .74 .87 25.2 7.4 1.51 .62 .76 .89 23.8 7.0 1.76 .63 .78 .92
67�F(19�C)
840 395 28.6 8.4 1.12 .61 .75 .88 27.4 8.0 1.31 .62 .77 .90 26.0 7.6 1.52 .63 .78 .93 24.6 7.2 1.77 .65 .81 .96(19�C)
920 435 29.2 8.6 1.12 .63 .77 .91 27.8 8.1 1.31 .64 .79 .93 26.6 7.8 1.52 .65 .81 .96 25.0 7.3 1.77 .66 .83 .98
71�F740 350 29.0 8.5 1.12 .46 .59 .70 27.8 8.1 1.31 .47 .59 .71 26.4 7.7 1.52 .47 .60 .73 25.0 7.3 1.77 .47 .61 .75
71�F(22�C)
840 395 30.0 8.8 1.13 .47 .60 .73 28.6 8.4 1.31 .47 .61 .74 27.4 8.0 1.52 .48 .62 .76 25.8 7.6 1.77 .48 .63 .78(22�C)
920 435 30.6 9.0 1.13 .48 .61 .75 29.4 8.6 1.32 .48 .62 .76 28.0 8.2 1.53 .48 .63 .78 26.4 7.7 1.77 .49 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−036 with [CX34−36B−6F + G60UHV−36B−090][C33−36B + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1035 490 35.6 10.4 2.07 .75 .88 1.00 33.8 9.9 2.32 .77 .90 1.00 32.0 9.4 2.61 .79 .93 1.00 30.0 8.8 2.93 .81 .96 1.00
63�F(17�C)
1225 580 36.8 10.8 2.07 .79 .93 1.00 35.2 10.3 2.33 .80 .96 1.00 33.2 9.7 2.62 .82 .98 1.00 31.4 9.2 2.94 .85 1.00 1.00(17�C)
1385 655 37.8 11.1 2.08 .81 .97 1.00 36.0 10.6 2.34 .83 .99 1.00 34.2 10.0 2.62 .86 1.00 1.00 32.2 9.4 2.95 .89 1.00 1.00
67�F1035 490 37.4 11.0 2.08 .60 .73 .85 35.6 10.4 2.33 .61 .74 .87 33.8 9.9 2.62 .62 .76 .90 31.8 9.3 2.95 .64 .78 .93
67�F(19�C)
1225 580 39.0 11.4 2.09 .62 .76 .90 37.0 10.8 2.35 .64 .78 .92 35.0 10.3 2.63 .65 .80 .95 32.8 9.6 2.96 .66 .83 .98(19�C)
1385 655 40.0 11.7 2.10 .64 .79 .94 37.8 11.1 2.35 .65 .81 .96 35.8 10.5 2.64 .67 .83 .98 33.6 9.8 2.96 .69 .86 1.00
71�F1035 490 39.0 11.4 2.09 .47 .59 .71 37.4 11.0 2.35 .47 .60 .72 35.4 10.4 2.63 .48 .61 .74 33.2 9.7 2.95 .48 .62 .76
71�F(22�C)
1225 580 40.5 11.9 2.11 .48 .61 .74 38.5 11.3 2.36 .48 .62 .76 36.8 10.8 2.65 .49 .63 .78 34.4 10.1 2.97 .50 .65 .80(22�C)
1385 655 41.5 12.2 2.11 .49 .63 .77 39.5 11.6 2.37 .49 .64 .79 37.6 11.0 2.66 .50 .66 .81 35.2 10.3 2.98 .51 .68 .84
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 3 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 57
XC21−036 with − C33−36B � G61MPV−36B−070 − FIRSTSTAGE COOLING CAPACITY −
[CX34−36B−6F + G61MPV−36B−070][C33−36B + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F695 330 25.8 7.6 1.11 .74 .87 .98 24.6 7.2 1.29 .75 .89 1.00 23.4 6.9 1.51 .77 .91 1.00 22.2 6.5 1.76 .79 .94 1.00
63�F(17�C)
815 385 26.8 7.9 1.11 .77 .91 1.00 25.6 7.5 1.30 .79 .93 1.00 24.4 7.2 1.51 .80 .96 1.00 23.2 6.8 1.76 .83 .98 1.00(17�C)
935 440 27.8 8.1 1.12 .80 .95 1.00 26.6 7.8 1.30 .82 .97 1.00 25.4 7.4 1.52 .84 .99 1.00 24.0 7.0 1.76 .86 1.00 1.00
67�F695 330 27.2 8.0 1.11 .60 .72 .83 26.0 7.6 1.30 .60 .73 .85 24.8 7.3 1.52 .61 .74 .87 23.4 6.9 1.76 .62 .76 .90
67�F(19�C)
815 385 28.4 8.3 1.12 .61 .75 .88 27.2 8.0 1.30 .62 .76 .89 25.8 7.6 1.52 .63 .78 .92 24.4 7.2 1.77 .65 .80 .95(19�C)
935 440 29.2 8.6 1.12 .63 .78 .92 28.0 8.2 1.31 .64 .79 .94 26.6 7.8 1.52 .65 .81 .96 25.2 7.4 1.77 .67 .84 .99
71�F695 330 28.4 8.3 1.12 .46 .58 .69 27.2 8.0 1.31 .47 .59 .70 26.0 7.6 1.52 .47 .60 .72 24.6 7.2 1.77 .47 .61 .74
71�F(22�C)
815 385 29.8 8.7 1.12 .47 .60 .72 28.6 8.4 1.31 .47 .61 .74 27.2 8.0 1.52 .48 .62 .75 25.8 7.6 1.77 .48 .63 .77(22�C)
935 440 30.8 9.0 1.13 .48 .62 .75 29.4 8.6 1.32 .48 .63 .77 28.0 8.2 1.53 .49 .64 .79 26.6 7.8 1.77 .49 .66 .81
XC21−036 with − C33−36B � G61MPV−36B−070 − SECONDSTAGE COOLING CAPACITY −
[CX34−36B−6F + G61MPV−36B−070][C33−36B + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F950 450 34.8 10.2 2.06 .74 .86 .98 33.2 9.7 2.32 .75 .88 1.00 31.4 9.2 2.60 .77 .91 1.00 29.6 8.7 2.93 .79 .93 1.00
63�F(17�C)
1190 560 36.6 10.7 2.07 .78 .93 1.00 35.0 10.3 2.33 .80 .95 1.00 33.0 9.7 2.61 .82 .97 1.00 31.2 9.1 2.94 .85 1.00 1.00(17�C)
1395 660 38.0 11.1 2.09 .82 .97 1.00 36.2 10.6 2.34 .84 .99 1.00 34.4 10.1 2.62 .86 1.00 1.00 32.4 9.5 2.95 .89 1.00 1.00
67�F950 450 36.6 10.7 2.08 .60 .72 .83 35.0 10.3 2.33 .60 .73 .85 33.2 9.7 2.61 .61 .74 .87 31.2 9.1 2.94 .63 .76 .90
67�F(19�C)
1190 560 38.5 11.3 2.09 .62 .76 .89 36.8 10.8 2.34 .63 .78 .92 34.8 10.2 2.63 .65 .80 .94 32.6 9.6 2.95 .66 .82 .97(19�C)
1395 660 40.0 11.7 2.10 .65 .80 .94 38.0 11.1 2.36 .66 .82 .97 35.8 10.5 2.64 .68 .84 .99 33.6 9.8 2.96 .69 .87 1.00
71�F950 450 38.5 11.3 2.09 .46 .58 .69 36.6 10.7 2.34 .47 .59 .70 34.6 10.1 2.63 .47 .60 .72 32.6 9.6 2.95 .48 .61 .74
71�F(22�C)
1190 560 40.5 11.9 2.11 .48 .61 .74 38.5 11.3 2.36 .48 .62 .75 36.6 10.7 2.64 .49 .63 .77 34.4 10.1 2.97 .50 .65 .80(22�C)
1395 660 42.0 12.3 2.12 .49 .64 .78 40.0 11.7 2.37 .50 .65 .80 37.8 11.1 2.66 .51 .66 .82 35.4 10.4 2.98 .51 .68 .85
FIRST STAGE COOLING CAPACITY − XC21−036 with [CX34−38A−6F + G60UHV−36A−070][C33−38A + G60UHV−36A−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F745 350 27.0 7.9 1.11 .75 .88 1.00 25.8 7.6 1.30 .76 .90 1.00 24.6 7.2 1.51 .78 .93 1.00 23.2 6.8 1.76 .80 .95 1.00
63�F(17�C)
850 400 28.0 8.2 1.12 .78 .92 1.00 26.8 7.9 1.31 .79 .94 1.00 25.4 7.4 1.52 .81 .97 1.00 24.0 7.0 1.76 .84 .99 1.00(17�C)
910 430 28.4 8.3 1.12 .79 .94 1.00 27.2 8.0 1.30 .81 .97 1.00 25.8 7.6 1.52 .83 .99 1.00 24.4 7.2 1.77 .85 1.00 1.00
67�F745 350 28.8 8.4 1.12 .59 .72 .84 27.6 8.1 1.31 .61 .74 .86 26.2 7.7 1.52 .61 .75 .89 24.8 7.3 1.77 .63 .77 .92
67�F(19�C)
850 400 29.8 8.7 1.12 .62 .75 .88 28.4 8.3 1.31 .62 .77 .91 27.0 7.9 1.52 .64 .78 .93 25.4 7.4 1.77 .65 .81 .96(19�C)
910 430 30.2 8.9 1.13 .63 .77 .91 28.8 8.4 1.31 .64 .78 .93 27.4 8.0 1.52 .64 .80 .96 25.8 7.6 1.77 .66 .83 .98
71�F745 350 30.4 8.9 1.13 .46 .58 .69 29.2 8.6 1.31 .46 .58 .71 27.8 8.1 1.52 .47 .60 .73 26.4 7.7 1.77 .47 .61 .75
71�F(22�C)
850 400 31.6 9.3 1.14 .47 .60 .73 30.2 8.9 1.32 .47 .61 .74 28.6 8.4 1.53 .48 .62 .76 27.0 7.9 1.78 .48 .63 .78(22�C)
910 430 32.0 9.4 1.14 .47 .61 .74 30.6 9.0 1.32 .48 .62 .76 29.2 8.6 1.53 .48 .63 .78 27.4 8.0 1.77 .49 .64 .80
SECOND STAGE COOLING CAPACITY − XC21−036 with [CX34−38A−6F + G60UHV−36A−070][C33−38A + G60UHV−36A−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1035 490 37.0 10.8 2.08 .75 .88 1.00 35.2 10.3 2.33 .77 .90 1.00 33.2 9.7 2.62 .79 .93 1.00 31.2 9.1 2.94 .81 .96 1.00
63�F(17�C)
1230 580 38.5 11.3 2.09 .79 .94 1.00 36.6 10.7 2.34 .81 .96 1.00 34.6 10.1 2.63 .83 .99 1.00 32.4 9.5 2.95 .86 1.00 1.00(17�C)
1375 650 39.5 11.6 2.09 .82 .97 1.00 37.4 11.0 2.35 .84 .99 1.00 35.4 10.4 2.63 .86 1.00 1.00 33.4 9.8 2.96 .89 1.00 1.00
67�F1035 490 39.0 11.4 2.09 .60 .73 .85 37.2 10.9 2.35 .61 .74 .87 35.2 10.3 2.63 .62 .76 .90 33.0 9.7 2.96 .63 .78 .93
67�F(19�C)
1230 580 40.5 11.9 2.11 .63 .77 .90 38.5 11.3 2.36 .64 .78 .93 36.4 10.7 2.64 .65 .80 .95 34.0 10.0 2.97 .66 .83 .99(19�C)
1375 650 41.5 12.2 2.11 .64 .80 .94 39.5 11.6 2.37 .66 .81 .97 37.2 10.9 2.65 .67 .84 .99 34.8 10.2 2.97 .69 .87 1.00
71�F1035 490 41.0 12.0 2.11 .47 .58 .70 39.5 11.6 2.36 .47 .59 .72 37.2 10.9 2.65 .47 .60 .74 35.0 10.3 2.98 .48 .62 .76
71�F(22�C)
1230 580 43.0 12.6 2.12 .47 .61 .74 40.5 11.9 2.38 .48 .62 .76 38.5 11.3 2.66 .49 .64 .78 36.2 10.6 2.98 .50 .65 .81(22�C)
1375 650 44.0 12.9 2.13 .49 .63 .77 41.5 12.2 2.38 .49 .64 .80 39.5 11.6 2.67 .50 .66 .81 36.8 10.8 2.99 .50 .68 .84
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 3 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 58
FIRST STAGE COOLING CAPACITY − XC21−036 with [CX34−38B−6F + G60UHV−36B−090][C33−38B + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F740 350 27.0 7.9 1.11 .75 .88 1.00 25.8 7.6 1.30 .76 .90 1.00 24.6 7.2 1.51 .78 .92 1.00 23.0 6.7 1.76 .80 .95 1.00
63�F(17�C)
840 395 27.8 8.1 1.12 .77 .92 1.00 26.6 7.8 1.30 .79 .94 1.00 25.2 7.4 1.52 .81 .96 1.00 23.8 7.0 1.76 .83 .99 1.00(17�C)
920 435 28.4 8.3 1.12 .79 .95 1.00 27.2 8.0 1.31 .81 .97 1.00 25.8 7.6 1.52 .83 .99 1.00 24.4 7.2 1.77 .85 1.00 1.00
67�F740 350 28.8 8.4 1.12 .59 .72 .84 27.6 8.1 1.31 .60 .73 .86 26.2 7.7 1.52 .61 .75 .88 24.6 7.2 1.77 .63 .77 .91
67�F(19�C)
840 395 29.6 8.7 1.13 .61 .75 .88 28.4 8.3 1.31 .62 .76 .90 27.0 7.9 1.52 .63 .78 .93 25.4 7.4 1.77 .64 .80 .96(19�C)
920 435 30.2 8.9 1.13 .63 .77 .91 28.8 8.4 1.31 .64 .79 .93 27.4 8.0 1.52 .64 .80 .96 25.8 7.6 1.77 .66 .83 .99
71�F740 350 30.4 8.9 1.13 .46 .58 .69 29.2 8.6 1.31 .46 .58 .71 27.8 8.1 1.52 .46 .60 .72 26.2 7.7 1.77 .47 .61 .74
71�F(22�C)
840 395 31.4 9.2 1.14 .47 .60 .72 30.0 8.8 1.32 .47 .61 .74 28.6 8.4 1.53 .47 .62 .76 27.0 7.9 1.77 .48 .63 .78(22�C)
920 435 32.0 9.4 1.14 .47 .61 .75 30.6 9.0 1.32 .48 .62 .76 29.2 8.6 1.53 .48 .63 .78 27.4 8.0 1.77 .49 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−036 with [CX34−38B−6F + G60UHV−36B−090][C33−38B + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1035 490 36.8 10.8 2.08 .75 .88 1.00 35.0 10.3 2.33 .76 .90 1.00 33.2 9.7 2.62 .78 .93 1.00 31.2 9.1 2.94 .81 .96 1.00
63�F(17�C)
1225 580 38.5 11.3 2.09 .79 .93 1.00 36.4 10.7 2.34 .80 .96 1.00 34.4 10.1 2.63 .82 .98 1.00 32.2 9.4 2.95 .85 1.00 1.00(17�C)
1385 655 39.5 11.6 2.09 .82 .97 1.00 37.4 11.0 2.35 .84 .99 1.00 35.2 10.3 2.63 .86 1.00 1.00 33.4 9.8 2.96 .89 1.00 1.00
67�F1035 490 39.0 11.4 2.09 .60 .73 .85 37.2 10.9 2.35 .60 .74 .87 35.2 10.3 2.63 .62 .76 .89 33.0 9.7 2.96 .63 .78 .92
67�F(19�C)
1225 580 40.5 11.9 2.10 .62 .76 .90 38.5 11.3 2.36 .63 .78 .92 36.4 10.7 2.64 .65 .80 .95 34.0 10.0 2.96 .66 .83 .98(19�C)
1385 655 41.5 12.2 2.11 .64 .79 .94 39.5 11.6 2.36 .65 .81 .96 37.2 10.9 2.65 .67 .84 .99 34.8 10.2 2.97 .68 .86 1.00
71�F1035 490 41.0 12.0 2.11 .46 .58 .70 39.0 11.4 2.36 .46 .59 .72 37.2 10.9 2.65 .47 .60 .73 35.0 10.3 2.98 .48 .62 .76
71�F(22�C)
1225 580 42.5 12.5 2.12 .47 .60 .74 40.5 11.9 2.37 .48 .62 .76 38.5 11.3 2.66 .48 .63 .77 36.0 10.6 2.98 .49 .65 .80(22�C)
1385 655 43.5 12.7 2.13 .48 .63 .76 41.5 12.2 2.39 .49 .64 .79 39.5 11.6 2.67 .50 .66 .80 36.8 10.8 2.99 .50 .67 .84
FIRST STAGE COOLING CAPACITY − XC21−036 with [CX34−38B−6F + G61MPV−36B−070][C33−38B + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F695 330 26.4 7.7 1.11 .73 .86 .98 25.4 7.4 1.30 .75 .88 1.00 24.0 7.0 1.51 .77 .91 1.00 22.8 6.7 1.76 .79 .93 1.00
63�F(17�C)
815 385 27.6 8.1 1.12 .77 .91 1.00 26.4 7.7 1.30 .78 .93 1.00 25.2 7.4 1.52 .80 .96 1.00 23.6 6.9 1.76 .82 .98 1.00(17�C)
935 440 28.6 8.4 1.12 .80 .95 1.00 27.4 8.0 1.30 .82 .97 1.00 26.0 7.6 1.52 .84 1.00 1.00 24.6 7.2 1.76 .86 1.00 1.00
67�F695 330 28.2 8.3 1.12 .59 .71 .83 27.0 7.9 1.31 .59 .72 .84 25.8 7.6 1.52 .61 .74 .87 24.4 7.2 1.76 .61 .76 .89
67�F(19�C)
815 385 29.4 8.6 1.12 .61 .74 .87 28.2 8.3 1.31 .62 .76 .89 26.8 7.9 1.52 .63 .78 .92 25.2 7.4 1.77 .64 .80 .95(19�C)
935 440 30.4 8.9 1.13 .63 .77 .92 29.0 8.5 1.31 .64 .79 .94 27.4 8.0 1.52 .65 .81 .96 25.8 7.6 1.77 .66 .83 .99
71�F695 330 30.0 8.8 1.13 .46 .57 .68 28.6 8.4 1.31 .46 .58 .69 27.4 8.0 1.52 .46 .59 .71 25.8 7.6 1.77 .47 .60 .73
71�F(22�C)
815 385 31.2 9.1 1.13 .46 .59 .72 30.0 8.8 1.32 .47 .60 .73 28.4 8.3 1.53 .47 .61 .75 26.8 7.9 1.77 .48 .63 .77(22�C)
935 440 32.2 9.4 1.14 .47 .61 .74 30.8 9.0 1.32 .48 .62 .77 29.2 8.6 1.53 .48 .64 .79 27.6 8.1 1.78 .49 .65 .81
SECOND STAGE COOLING CAPACITY − XC21−036 with [CX34−38B−6F + G61MPV−36B−070][C33−38B + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F950 450 36.0 10.6 2.07 .74 .86 .98 34.4 10.1 2.33 .75 .88 1.00 32.6 9.6 2.61 .76 .90 1.00 30.6 9.0 2.94 .79 .93 1.00
63�F(17�C)
1190 560 38.0 11.1 2.09 .78 .93 1.00 36.2 10.6 2.34 .80 .95 1.00 34.2 10.0 2.63 .82 .98 1.00 32.2 9.4 2.94 .85 1.00 1.00(17�C)
1395 660 39.5 11.6 2.10 .82 .98 1.00 37.6 11.0 2.35 .84 1.00 1.00 35.4 10.4 2.64 .87 1.00 1.00 33.6 9.8 2.96 .90 1.00 1.00
67�F950 450 38.5 11.3 2.09 .59 .71 .82 36.6 10.7 2.34 .60 .73 .85 34.6 10.1 2.63 .60 .74 .87 32.4 9.5 2.95 .62 .76 .90
67�F(19�C)
1190 560 40.5 11.9 2.10 .61 .76 .89 38.5 11.3 2.36 .63 .78 .91 36.2 10.6 2.64 .64 .80 .94 34.0 10.0 2.96 .66 .82 .98(19�C)
1395 660 41.5 12.2 2.11 .65 .80 .95 39.5 11.6 2.37 .66 .82 .97 37.2 10.9 2.65 .67 .84 1.00 35.0 10.3 2.97 .69 .87 1.00
71�F950 450 40.5 11.9 2.10 .46 .57 .68 38.5 11.3 2.36 .46 .58 .70 36.4 10.7 2.64 .47 .59 .71 34.4 10.1 2.97 .47 .60 .73
71�F(22�C)
1190 560 42.5 12.5 2.12 .47 .60 .73 40.5 11.9 2.37 .48 .62 .75 38.5 11.3 2.66 .49 .63 .77 36.0 10.6 2.99 .49 .65 .80(22�C)
1395 660 44.0 12.9 2.13 .49 .63 .77 41.5 12.2 2.38 .50 .65 .80 39.5 11.6 2.67 .50 .66 .82 36.8 10.8 2.99 .51 .68 .85
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 3 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 59
FIRST STAGE COOLING CAPACITY − XC21−036 with [CX34−42B−6F + G60UHV−36B−090][C33−42B + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F740 350 26.2 7.7 1.11 .75 .88 1.00 25.0 7.3 1.30 .76 .90 1.00 23.8 7.0 1.51 .78 .93 1.00 22.6 6.6 1.76 .80 .95 1.00
63�F(17�C)
840 395 27.0 7.9 1.11 .78 .92 1.00 25.8 7.6 1.30 .79 .94 1.00 24.6 7.2 1.51 .81 .96 1.00 23.2 6.8 1.76 .83 .99 1.00(17�C)
920 435 27.6 8.1 1.11 .80 .95 1.00 26.4 7.7 1.30 .81 .97 1.00 25.2 7.4 1.52 .83 .99 1.00 23.8 7.0 1.76 .86 1.00 1.00
67�F740 350 27.6 8.1 1.11 .60 .73 .85 26.4 7.7 1.30 .61 .74 .87 25.2 7.4 1.51 .62 .76 .89 23.8 7.0 1.76 .63 .78 .92
67�F(19�C)
840 395 28.6 8.4 1.12 .61 .75 .88 27.4 8.0 1.31 .62 .77 .90 26.0 7.6 1.52 .63 .78 .93 24.6 7.2 1.77 .65 .81 .96(19�C)
920 435 29.2 8.6 1.12 .63 .77 .91 27.8 8.1 1.31 .64 .79 .93 26.6 7.8 1.52 .65 .81 .96 25.0 7.3 1.77 .66 .83 .98
71�F740 350 29.0 8.5 1.12 .46 .59 .70 27.8 8.1 1.31 .47 .59 .71 26.4 7.7 1.52 .47 .60 .73 25.0 7.3 1.77 .47 .61 .75
71�F(22�C)
840 395 30.0 8.8 1.13 .47 .60 .73 28.6 8.4 1.31 .47 .61 .74 27.4 8.0 1.52 .48 .62 .76 25.8 7.6 1.77 .48 .63 .78(22�C)
920 435 30.6 9.0 1.13 .48 .61 .75 29.4 8.6 1.32 .48 .62 .76 28.0 8.2 1.53 .48 .63 .78 26.4 7.7 1.77 .49 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−036 with [CX34−42B−6F + G60UHV−36B−090][C33−42B + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1035 490 35.6 10.4 2.07 .75 .88 1.00 33.8 9.9 2.32 .77 .90 1.00 32.0 9.4 2.61 .79 .93 1.00 30.0 8.8 2.93 .81 .96 1.00
63�F(17�C)
1225 580 36.8 10.8 2.07 .79 .93 1.00 35.2 10.3 2.33 .80 .96 1.00 33.2 9.7 2.62 .82 .98 1.00 31.4 9.2 2.94 .85 1.00 1.00(17�C)
1385 655 37.8 11.1 2.08 .81 .97 1.00 36.0 10.6 2.34 .83 .99 1.00 34.2 10.0 2.62 .86 1.00 1.00 32.2 9.4 2.95 .89 1.00 1.00
67�F1035 490 37.4 11.0 2.08 .60 .73 .85 35.6 10.4 2.33 .61 .74 .87 33.8 9.9 2.62 .62 .76 .90 31.8 9.3 2.95 .64 .78 .93
67�F(19�C)
1225 580 39.0 11.4 2.09 .62 .76 .90 37.0 10.8 2.35 .64 .78 .92 35.0 10.3 2.63 .65 .80 .95 32.8 9.6 2.96 .66 .83 .98(19�C)
1385 655 40.0 11.7 2.10 .64 .79 .94 37.8 11.1 2.35 .65 .81 .96 35.8 10.5 2.64 .67 .83 .98 33.6 9.8 2.96 .69 .86 1.00
71�F1035 490 39.0 11.4 2.09 .47 .59 .71 37.4 11.0 2.35 .47 .60 .72 35.4 10.4 2.63 .48 .61 .74 33.2 9.7 2.95 .48 .62 .76
71�F(22�C)
1225 580 40.5 11.9 2.11 .48 .61 .74 38.5 11.3 2.36 .48 .62 .76 36.8 10.8 2.65 .49 .63 .78 34.4 10.1 2.97 .50 .65 .80(22�C)
1385 655 41.5 12.2 2.11 .49 .63 .77 39.5 11.6 2.37 .49 .64 .79 37.6 11.0 2.66 .50 .66 .81 35.2 10.3 2.98 .51 .68 .84
FIRST STAGE COOLING CAPACITY − XC21−036 with [CX34−42B−6F + G61MPV−36B−070][C33−42B + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F695 330 25.8 7.6 1.11 .74 .87 .98 24.6 7.2 1.29 .75 .89 1.00 23.4 6.9 1.51 .77 .91 1.00 22.2 6.5 1.76 .79 .94 1.00
63�F(17�C)
815 385 26.8 7.9 1.11 .77 .91 1.00 25.6 7.5 1.30 .79 .93 1.00 24.4 7.2 1.51 .80 .96 1.00 23.2 6.8 1.76 .83 .98 1.00(17�C)
935 440 27.8 8.1 1.12 .80 .95 1.00 26.6 7.8 1.30 .82 .97 1.00 25.4 7.4 1.52 .84 .99 1.00 24.0 7.0 1.76 .86 1.00 1.00
67�F695 330 27.2 8.0 1.11 .60 .72 .83 26.0 7.6 1.30 .60 .73 .85 24.8 7.3 1.52 .61 .74 .87 23.4 6.9 1.76 .62 .76 .90
67�F(19�C)
815 385 28.4 8.3 1.12 .61 .75 .88 27.2 8.0 1.30 .62 .76 .89 25.8 7.6 1.52 .63 .78 .92 24.4 7.2 1.77 .65 .80 .95(19�C)
935 440 29.2 8.6 1.12 .63 .78 .92 28.0 8.2 1.31 .64 .79 .94 26.6 7.8 1.52 .65 .81 .96 25.2 7.4 1.77 .67 .84 .99
71�F695 330 28.4 8.3 1.12 .46 .58 .69 27.2 8.0 1.31 .47 .59 .70 26.0 7.6 1.52 .47 .60 .72 24.6 7.2 1.77 .47 .61 .74
71�F(22�C)
815 385 29.8 8.7 1.12 .47 .60 .72 28.6 8.4 1.31 .47 .61 .74 27.2 8.0 1.52 .48 .62 .75 25.8 7.6 1.77 .48 .63 .77(22�C)
935 440 30.8 9.0 1.13 .48 .62 .75 29.4 8.6 1.32 .48 .63 .77 28.0 8.2 1.53 .49 .64 .79 26.6 7.8 1.77 .49 .66 .81
SECOND STAGE COOLING CAPACITY − XC21−036 with [CX34−42B−6F + G61MPV−36B−070][C33−42B + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F950 450 34.8 10.2 2.06 .74 .86 .98 33.2 9.7 2.32 .75 .88 1.00 31.4 9.2 2.60 .77 .91 1.00 29.6 8.7 2.93 .79 .93 1.00
63�F(17�C)
1190 560 36.6 10.7 2.07 .78 .93 1.00 35.0 10.3 2.33 .80 .95 1.00 33.0 9.7 2.61 .82 .97 1.00 31.2 9.1 2.94 .85 1.00 1.00(17�C)
1395 660 38.0 11.1 2.09 .82 .97 1.00 36.2 10.6 2.34 .84 .99 1.00 34.4 10.1 2.62 .86 1.00 1.00 32.4 9.5 2.95 .89 1.00 1.00
67�F950 450 36.6 10.7 2.08 .60 .72 .83 35.0 10.3 2.33 .60 .73 .85 33.2 9.7 2.61 .61 .74 .87 31.2 9.1 2.94 .63 .76 .90
67�F(19�C)
1190 560 38.5 11.3 2.09 .62 .76 .89 36.8 10.8 2.34 .63 .78 .92 34.8 10.2 2.63 .65 .80 .94 32.6 9.6 2.95 .66 .82 .97(19�C)
1395 660 40.0 11.7 2.10 .65 .80 .94 38.0 11.1 2.36 .66 .82 .97 35.8 10.5 2.64 .68 .84 .99 33.6 9.8 2.96 .69 .87 1.00
71�F950 450 38.5 11.3 2.09 .46 .58 .69 36.6 10.7 2.34 .47 .59 .70 34.6 10.1 2.63 .47 .60 .72 32.6 9.6 2.95 .48 .61 .74
71�F(22�C)
1190 560 40.5 11.9 2.11 .48 .61 .74 38.5 11.3 2.36 .48 .62 .75 36.6 10.7 2.64 .49 .63 .77 34.4 10.1 2.97 .50 .65 .80(22�C)
1395 660 42.0 12.3 2.12 .49 .64 .78 40.0 11.7 2.37 .50 .65 .80 37.8 11.1 2.66 .51 .66 .82 35.4 10.4 2.98 .51 .68 .85
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 3 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 60
FIRST STAGE COOLING CAPACITY − XC21−036 with [CX34−44/48B−6F + G60UHV−36B−090][C33−48B + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F740 350 26.6 7.8 1.11 .74 .87 .99 25.4 7.4 1.30 .75 .89 1.00 24.2 7.1 1.51 .77 .91 1.00 22.8 6.7 1.76 .79 .94 1.00
63�F(17�C)
840 395 27.4 8.0 1.11 .77 .90 1.00 26.2 7.7 1.30 .78 .93 1.00 25.0 7.3 1.52 .80 .95 1.00 23.6 6.9 1.76 .82 .98 1.00(17�C)
920 435 28.2 8.3 1.12 .79 .93 1.00 26.8 7.9 1.30 .80 .95 1.00 25.4 7.4 1.52 .82 .98 1.00 24.0 7.0 1.76 .84 1.00 1.00
67�F740 350 28.4 8.3 1.12 .59 .71 .83 27.2 8.0 1.31 .60 .73 .85 25.8 7.6 1.52 .61 .74 .87 24.4 7.2 1.77 .62 .76 .90
67�F(19�C)
840 395 29.2 8.6 1.12 .61 .74 .87 28.0 8.2 1.31 .62 .75 .89 26.6 7.8 1.52 .63 .77 .91 25.0 7.3 1.77 .64 .79 .94(19�C)
920 435 29.8 8.7 1.13 .62 .76 .89 28.6 8.4 1.31 .63 .77 .92 27.0 7.9 1.52 .64 .79 .94 25.6 7.5 1.77 .65 .82 .97
71�F740 350 30.2 8.9 1.13 .46 .57 .69 28.8 8.4 1.31 .46 .58 .70 27.4 8.0 1.52 .46 .59 .71 26.0 7.6 1.77 .47 .60 .74
71�F(22�C)
840 395 31.0 9.1 1.13 .46 .58 .71 29.8 8.7 1.32 .47 .60 .73 28.4 8.3 1.53 .47 .61 .74 26.8 7.9 1.77 .48 .62 .76(22�C)
920 435 31.8 9.3 1.14 .47 .60 .73 30.4 8.9 1.32 .47 .61 .75 28.8 8.4 1.53 .48 .62 .77 27.2 8.0 1.77 .48 .64 .79
SECOND STAGE COOLING CAPACITY − XC21−036 with [CX34−44/48B−6F + G60UHV−36B−090][C33−48B + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1035 490 36.4 10.7 2.07 .74 .87 .99 34.8 10.2 2.33 .75 .89 1.00 32.8 9.6 2.61 .77 .91 1.00 30.8 9.0 2.94 .79 .94 1.00
63�F(17�C)
1225 580 37.8 11.1 2.08 .77 .91 1.00 36.0 10.6 2.34 .79 .94 1.00 34.0 10.0 2.62 .81 .96 1.00 32.0 9.4 2.95 .84 .99 1.00(17�C)
1385 655 39.0 11.4 2.09 .80 .95 1.00 37.0 10.8 2.35 .82 .97 1.00 35.0 10.3 2.63 .84 1.00 1.00 32.8 9.6 2.95 .87 1.00 1.00
67�F1035 490 38.5 11.3 2.09 .59 .72 .83 36.8 10.8 2.34 .60 .73 .85 34.8 10.2 2.63 .61 .75 .88 32.8 9.6 2.95 .62 .77 .91
67�F(19�C)
1225 580 40.0 11.7 2.10 .61 .75 .88 38.0 11.1 2.35 .62 .77 .90 36.0 10.6 2.64 .64 .79 .93 33.8 9.9 2.96 .65 .81 .96(19�C)
1385 655 41.0 12.0 2.11 .63 .77 .92 39.0 11.4 2.36 .64 .79 .94 36.8 10.8 2.65 .65 .82 .97 34.4 10.1 2.96 .67 .84 1.00
71�F1035 490 41.0 12.0 2.11 .46 .58 .69 39.0 11.4 2.36 .46 .59 .70 36.8 10.8 2.65 .46 .59 .72 34.6 10.1 2.97 .47 .61 .74
71�F(22�C)
1225 580 42.5 12.5 2.12 .47 .59 .72 40.5 11.9 2.37 .47 .61 .74 38.0 11.1 2.66 .48 .62 .76 35.8 10.5 2.98 .49 .64 .78(22�C)
1385 655 43.0 12.6 2.13 .48 .62 .75 41.0 12.0 2.38 .48 .63 .77 39.0 11.4 2.67 .49 .64 .79 36.4 10.7 2.99 .49 .66 .82
FIRST STAGE COOLING CAPACITY − XC21−036 with [CX34−44/48B−6F + G61MPV−36B−070][C33−48B + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F695 330 26.2 7.7 1.11 .73 .85 .97 25.0 7.3 1.30 .74 .87 .99 23.8 7.0 1.51 .76 .89 1.00 22.4 6.6 1.76 .78 .92 1.00
63�F(17�C)
815 385 27.4 8.0 1.11 .76 .90 1.00 26.2 7.7 1.30 .77 .92 1.00 24.8 7.3 1.51 .79 .94 1.00 23.4 6.9 1.76 .82 .97 1.00(17�C)
935 440 28.2 8.3 1.12 .79 .94 1.00 27.0 7.9 1.31 .81 .96 1.00 25.6 7.5 1.52 .83 .99 1.00 24.2 7.1 1.76 .85 1.00 1.00
67�F695 330 28.0 8.2 1.12 .58 .70 .82 26.8 7.9 1.31 .59 .71 .84 25.4 7.4 1.52 .60 .73 .86 24.0 7.0 1.76 .61 .75 .88
67�F(19�C)
815 385 29.0 8.5 1.12 .60 .73 .86 27.8 8.1 1.31 .61 .75 .88 26.4 7.7 1.52 .62 .77 .90 25.0 7.3 1.77 .64 .79 .93(19�C)
935 440 30.0 8.8 1.13 .62 .76 .90 28.6 8.4 1.31 .63 .78 .92 27.2 8.0 1.52 .64 .80 .95 25.6 7.5 1.77 .65 .82 .98
71�F695 330 29.6 8.7 1.13 .46 .57 .68 28.4 8.3 1.31 .46 .57 .69 27.0 7.9 1.52 .46 .58 .70 25.6 7.5 1.77 .47 .60 .72
71�F(22�C)
815 385 30.8 9.0 1.13 .46 .59 .70 29.6 8.7 1.32 .47 .60 .72 28.2 8.3 1.53 .47 .61 .74 26.6 7.8 1.77 .48 .62 .76(22�C)
935 440 31.8 9.3 1.14 .47 .61 .74 30.4 8.9 1.32 .48 .62 .75 29.0 8.5 1.53 .48 .63 .77 27.4 8.0 1.77 .49 .64 .79
SECOND STAGE COOLING CAPACITY − XC21−036 with [CX34−44/48B−6F + G61MPV−36B−070][C33−48B + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F950 450 35.6 10.4 2.07 .73 .85 .96 34.0 10.0 2.33 .74 .87 .98 32.2 9.4 2.61 .76 .89 1.00 30.2 8.9 2.93 .78 .92 1.00
63�F(17�C)
1190 560 37.8 11.1 2.08 .77 .91 1.00 35.8 10.5 2.34 .79 .93 1.00 34.0 10.0 2.62 .81 .96 1.00 31.8 9.3 2.95 .83 .99 1.00(17�C)
1395 660 39.0 11.4 2.09 .81 .96 1.00 37.2 10.9 2.35 .83 .98 1.00 35.0 10.3 2.63 .85 1.00 1.00 33.0 9.7 2.95 .88 1.00 1.00
67�F950 450 38.0 11.1 2.08 .59 .70 .81 36.2 10.6 2.34 .59 .72 .83 34.2 10.0 2.62 .60 .73 .85 32.2 9.4 2.95 .61 .75 .88
67�F(19�C)
1190 560 40.0 11.7 2.10 .62 .74 .87 38.0 11.1 2.36 .62 .76 .90 36.0 10.6 2.64 .64 .78 .92 33.6 9.8 2.96 .65 .81 .96(19�C)
1395 660 41.0 12.0 2.11 .64 .78 .92 39.0 11.4 2.36 .65 .80 .95 37.0 10.8 2.65 .66 .82 .98 34.6 10.1 2.97 .68 .85 1.00
71�F950 450 40.0 11.7 2.10 .46 .57 .68 38.0 11.1 2.35 .46 .58 .69 36.2 10.6 2.64 .46 .59 .71 34.0 10.0 2.97 .47 .60 .72
71�F(22�C)
1190 560 42.0 12.3 2.12 .47 .59 .72 40.0 11.7 2.37 .47 .61 .74 38.0 11.1 2.66 .48 .62 .76 35.6 10.4 2.98 .49 .64 .78(22�C)
1395 660 43.5 12.7 2.13 .48 .62 .76 41.5 12.2 2.38 .49 .64 .78 39.0 11.4 2.67 .50 .65 .80 36.6 10.7 2.99 .50 .67 .83
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 3 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 61
FIRST STAGE COOLING CAPACITY − XC21−036 with [CX34−44/48C−6F + G61MPV−60C−090][C33−48C + G61MPV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F890 420 28.0 8.2 1.12 .78 .92 1.00 26.6 7.8 1.30 .79 .94 1.00 25.4 7.4 1.52 .81 .97 1.00 23.8 7.0 1.76 .83 .99 1.00
63�F(17�C)
890 420 28.0 8.2 1.12 .78 .92 1.00 26.6 7.8 1.30 .79 .94 1.00 25.4 7.4 1.52 .81 .97 1.00 23.8 7.0 1.76 .83 .99 1.00(17�C)
995 470 28.6 8.4 1.12 .80 .96 1.00 27.4 8.0 1.31 .82 .98 1.00 26.0 7.6 1.52 .84 1.00 1.00 24.6 7.2 1.77 .87 1.00 1.00
67�F890 420 29.6 8.7 1.13 .61 .75 .88 28.4 8.3 1.31 .62 .76 .90 27.0 7.9 1.52 .63 .78 .93 25.4 7.4 1.77 .65 .81 .96
67�F(19�C)
890 420 29.6 8.7 1.13 .61 .75 .88 28.4 8.3 1.31 .62 .76 .90 27.0 7.9 1.52 .63 .78 .93 25.4 7.4 1.77 .65 .81 .96(19�C)
995 470 30.4 8.9 1.13 .63 .78 .92 29.0 8.5 1.31 .64 .79 .94 27.6 8.1 1.52 .65 .81 .97 26.0 7.6 1.77 .66 .84 .99
71�F890 420 31.4 9.2 1.14 .46 .60 .72 30.2 8.9 1.32 .47 .61 .74 28.6 8.4 1.53 .48 .62 .75 27.0 7.9 1.77 .48 .63 .78
71�F(22�C)
890 420 31.4 9.2 1.14 .46 .60 .72 30.2 8.9 1.32 .47 .61 .74 28.6 8.4 1.53 .48 .62 .75 27.0 7.9 1.77 .48 .63 .78(22�C)
995 470 32.2 9.4 1.14 .47 .61 .75 30.8 9.0 1.32 .48 .62 .77 29.2 8.6 1.53 .48 .64 .79 27.6 8.1 1.78 .49 .65 .81
SECOND STAGE COOLING CAPACITY − XC21−036 with [CX34−44/48C−6F + G61MPV−60C−090][C33−48C + G61MPV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1275 600 38.0 11.1 2.09 .78 .92 1.00 36.4 10.7 2.34 .80 .95 1.00 34.4 10.1 2.63 .82 .98 1.00 32.2 9.4 2.95 .84 1.00 1.00
63�F(17�C)
1275 600 38.0 11.1 2.09 .78 .92 1.00 36.4 10.7 2.34 .80 .95 1.00 34.4 10.1 2.63 .82 .98 1.00 32.2 9.4 2.95 .84 1.00 1.00(17�C)
1440 680 39.0 11.4 2.10 .81 .96 1.00 37.2 10.9 2.35 .83 .99 1.00 35.2 10.3 2.63 .85 1.00 1.00 33.2 9.7 2.96 .88 1.00 1.00
67�F1275 600 40.5 11.9 2.10 .62 .76 .89 38.5 11.3 2.36 .63 .77 .92 36.2 10.6 2.64 .64 .80 .94 34.0 10.0 2.97 .66 .82 .97
67�F(19�C)
1275 600 40.5 11.9 2.10 .62 .76 .89 38.5 11.3 2.36 .63 .77 .92 36.2 10.6 2.64 .64 .80 .94 34.0 10.0 2.97 .66 .82 .97(19�C)
1440 680 41.5 12.2 2.11 .64 .79 .93 39.5 11.6 2.36 .65 .80 .95 37.2 10.9 2.65 .66 .83 .98 34.8 10.2 2.97 .68 .85 1.00
71�F1275 600 42.5 12.5 2.12 .47 .60 .73 40.5 11.9 2.38 .47 .62 .75 38.5 11.3 2.66 .48 .63 .77 36.0 10.6 2.99 .49 .64 .80
71�F(22�C)
1275 600 42.5 12.5 2.12 .47 .60 .73 40.5 11.9 2.38 .47 .62 .75 38.5 11.3 2.66 .48 .63 .77 36.0 10.6 2.99 .49 .64 .80(22�C)
1440 680 43.5 12.7 2.13 .48 .63 .76 41.5 12.2 2.38 .49 .64 .78 39.0 11.4 2.67 .49 .65 .80 36.6 10.7 2.99 .50 .67 .83
FIRST STAGE COOLING CAPACITY − XC21−036 with [CX34−49C−6F + G60UHV−60C−090][C33−49C + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F930 440 28.4 8.3 1.12 .79 .93 1.00 27.2 8.0 1.31 .80 .96 1.00 25.8 7.6 1.52 .82 .98 1.00 24.4 7.2 1.76 .85 1.00 1.00
63�F(17�C)
930 440 28.4 8.3 1.12 .79 .93 1.00 27.2 8.0 1.31 .80 .96 1.00 25.8 7.6 1.52 .82 .98 1.00 24.4 7.2 1.76 .85 1.00 1.00(17�C)
1055 500 29.2 8.6 1.12 .82 .98 1.00 28.0 8.2 1.31 .83 1.00 1.00 26.6 7.8 1.52 .86 1.00 1.00 25.4 7.4 1.77 .89 1.00 1.00
67�F930 440 30.2 8.9 1.13 .62 .76 .90 28.8 8.4 1.31 .63 .78 .92 27.4 8.0 1.52 .64 .80 .95 25.8 7.6 1.77 .66 .82 .98
67�F(19�C)
930 440 30.2 8.9 1.13 .62 .76 .90 28.8 8.4 1.31 .63 .78 .92 27.4 8.0 1.52 .64 .80 .95 25.8 7.6 1.77 .66 .82 .98(19�C)
1055 500 31.0 9.1 1.13 .64 .79 .94 29.6 8.7 1.32 .65 .81 .96 28.2 8.3 1.53 .66 .83 .99 26.4 7.7 1.77 .68 .86 1.00
71�F930 440 31.8 9.3 1.14 .47 .61 .74 30.4 8.9 1.32 .47 .62 .75 29.0 8.5 1.53 .48 .63 .77 27.4 8.0 1.77 .49 .64 .79
71�F(22�C)
930 440 31.8 9.3 1.14 .47 .61 .74 30.4 8.9 1.32 .47 .62 .75 29.0 8.5 1.53 .48 .63 .77 27.4 8.0 1.77 .49 .64 .79(22�C)
1055 500 32.8 9.6 1.14 .48 .62 .77 31.4 9.2 1.33 .48 .64 .78 29.8 8.7 1.53 .49 .65 .80 28.0 8.2 1.78 .49 .67 .83
SECOND STAGE COOLING CAPACITY − XC21−036 with [CX34−49C−6F + G60UHV−60C−090][C33−49C + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1355 640 39.0 11.4 2.10 .80 .95 1.00 37.4 11.0 2.35 .81 .97 1.00 35.2 10.3 2.63 .84 1.00 1.00 33.2 9.7 2.96 .87 1.00 1.00
63�F(17�C)
1355 640 39.0 11.4 2.10 .80 .95 1.00 37.4 11.0 2.35 .81 .97 1.00 35.2 10.3 2.63 .84 1.00 1.00 33.2 9.7 2.96 .87 1.00 1.00(17�C)
1520 715 40.0 11.7 2.10 .82 .98 1.00 38.0 11.1 2.35 .84 1.00 1.00 36.2 10.6 2.64 .87 1.00 1.00 34.4 10.1 2.97 .90 1.00 1.00
67�F1355 640 41.5 12.2 2.11 .63 .77 .91 39.5 11.6 2.36 .64 .79 .94 37.2 10.9 2.65 .66 .81 .97 34.8 10.2 2.97 .67 .84 1.00
67�F(19�C)
1355 640 41.5 12.2 2.11 .63 .77 .91 39.5 11.6 2.36 .64 .79 .94 37.2 10.9 2.65 .66 .81 .97 34.8 10.2 2.97 .67 .84 1.00(19�C)
1520 715 42.5 12.5 2.12 .65 .80 .95 40.0 11.7 2.37 .66 .82 .98 38.0 11.1 2.66 .68 .85 1.00 35.6 10.4 2.98 .69 .88 1.00
71�F1355 640 43.5 12.7 2.13 .48 .62 .75 41.5 12.2 2.38 .48 .63 .77 39.0 11.4 2.67 .49 .64 .79 36.8 10.8 2.99 .49 .66 .81
71�F(22�C)
1355 640 43.5 12.7 2.13 .48 .62 .75 41.5 12.2 2.38 .48 .63 .77 39.0 11.4 2.67 .49 .64 .79 36.8 10.8 2.99 .49 .66 .81(22�C)
1520 715 44.5 13.0 2.14 .49 .64 .78 42.0 12.3 2.39 .49 .65 .80 40.0 11.7 2.68 .50 .66 .82 37.4 11.0 3.00 .51 .68 .85
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 3 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 62
FIRST STAGE COOLING CAPACITY − XC21−036 with [CX34−49C−6F + G61MPV−60C−090][C33−49C + G61MPV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F960 455 28.6 8.4 1.12 .79 .95 1.00 27.4 8.0 1.31 .81 .97 1.00 26.0 7.6 1.52 .83 .99 1.00 24.6 7.2 1.76 .86 1.00 1.00
63�F(17�C)
1090 515 29.4 8.6 1.12 .82 .98 1.00 28.2 8.3 1.31 .84 1.00 1.00 27.0 7.9 1.52 .87 1.00 1.00 25.6 7.5 1.77 .90 1.00 1.00(17�C)
1205 570 30.2 8.9 1.13 .85 1.00 1.00 29.0 8.5 1.31 .87 1.00 1.00 27.8 8.1 1.53 .90 1.00 1.00 26.4 7.7 1.77 .93 1.00 1.00
67�F960 455 30.4 8.9 1.13 .63 .77 .91 29.0 8.5 1.31 .63 .79 .93 27.6 8.1 1.53 .65 .81 .96 26.0 7.6 1.77 .66 .83 .99
67�F(19�C)
1090 515 31.2 9.1 1.13 .64 .80 .95 29.8 8.7 1.32 .65 .82 .97 28.2 8.3 1.53 .67 .84 1.00 26.6 7.8 1.77 .68 .87 1.00(19�C)
1205 570 31.8 9.3 1.14 .66 .83 .98 30.4 8.9 1.32 .67 .85 1.00 28.8 8.4 1.53 .69 .87 1.00 27.2 8.0 1.77 .71 .90 1.00
71�F960 455 32.0 9.4 1.14 .47 .61 .74 30.6 9.0 1.32 .48 .62 .76 29.2 8.6 1.53 .48 .63 .78 27.6 8.1 1.78 .49 .65 .80
71�F(22�C)
1090 515 33.0 9.7 1.14 .48 .63 .77 31.6 9.3 1.33 .49 .64 .79 30.0 8.8 1.54 .48 .66 .81 28.2 8.3 1.78 .50 .67 .84(22�C)
1205 570 33.6 9.8 1.15 .49 .65 .80 32.2 9.4 1.33 .49 .66 .82 30.6 9.0 1.54 .49 .68 .84 28.8 8.4 1.78 .51 .70 .87
SECOND STAGE COOLING CAPACITY − XC21−036 with [CX34−49C−6F + G61MPV−60C−090][C33−49C + G61MPV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1380 650 39.5 11.6 2.09 .80 .95 1.00 37.4 11.0 2.35 .82 .98 1.00 35.4 10.4 2.63 .84 1.00 1.00 33.4 9.8 2.96 .87 1.00 1.00
63�F(17�C)
1590 750 40.5 11.9 2.10 .84 1.00 1.00 38.5 11.3 2.36 .86 1.00 1.00 36.8 10.8 2.65 .88 1.00 1.00 34.8 10.2 2.97 .92 1.00 1.00(17�C)
1750 825 41.5 12.2 2.11 .86 1.00 1.00 39.5 11.6 2.37 .89 1.00 1.00 37.8 11.1 2.65 .92 1.00 1.00 35.6 10.4 2.98 .95 1.00 1.00
67�F1380 650 41.5 12.2 2.11 .63 .78 .92 39.5 11.6 2.37 .65 .80 .94 37.4 11.0 2.65 .66 .82 .98 35.0 10.3 2.97 .68 .85 1.00
67�F(19�C)
1590 750 42.5 12.5 2.12 .66 .81 .97 40.5 11.9 2.38 .67 .83 .99 38.5 11.3 2.66 .69 .86 1.00 35.8 10.5 2.98 .70 .90 1.00(19�C)
1750 825 43.5 12.7 2.13 .67 .84 1.00 41.0 12.0 2.38 .69 .87 1.00 39.0 11.4 2.67 .70 .89 1.00 36.4 10.7 2.99 .73 .93 1.00
71�F1380 650 43.5 12.7 2.13 .48 .62 .75 41.5 12.2 2.38 .49 .63 .77 39.0 11.4 2.67 .49 .65 .80 36.8 10.8 2.99 .49 .66 .82
71�F(22�C)
1590 750 45.0 13.2 2.14 .49 .64 .79 42.5 12.5 2.39 .50 .66 .81 40.5 11.9 2.68 .51 .68 .84 37.8 11.1 3.00 .51 .69 .87(22�C)
1750 825 45.5 13.3 2.15 .50 .66 .82 43.5 12.7 2.40 .51 .68 .84 41.0 12.0 2.68 .51 .70 .87 38.5 11.3 3.01 .53 .72 .91
FIRST STAGE COOLING CAPACITY − XC21−036 with [CX34−49C−6F + G61MPV−60C−110][C33−49C + G61MPV−60C−110]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F805 380 27.4 8.0 1.11 .76 .89 1.00 26.2 7.7 1.30 .77 .91 1.00 24.8 7.3 1.51 .79 .94 1.00 23.4 6.9 1.76 .81 .97 1.00
63�F(17�C)
925 435 28.4 8.3 1.12 .79 .93 1.00 27.0 7.9 1.30 .80 .96 1.00 25.8 7.6 1.52 .82 .98 1.00 24.2 7.1 1.76 .85 1.00 1.00(17�C)
1050 495 29.2 8.6 1.12 .81 .97 1.00 27.8 8.1 1.31 .83 .99 1.00 26.6 7.8 1.52 .85 1.00 1.00 25.2 7.4 1.77 .88 1.00 1.00
67�F805 380 29.0 8.5 1.12 .60 .73 .85 27.8 8.1 1.31 .61 .74 .87 26.4 7.7 1.52 .62 .76 .90 25.0 7.3 1.77 .63 .78 .93
67�F(19�C)
925 435 30.0 8.8 1.13 .62 .76 .90 28.8 8.4 1.31 .63 .78 .92 27.4 8.0 1.52 .64 .80 .94 25.8 7.6 1.77 .65 .82 .98(19�C)
1050 495 31.0 9.1 1.13 .64 .79 .94 29.6 8.7 1.32 .65 .81 .96 28.0 8.2 1.53 .66 .83 .99 26.4 7.7 1.77 .68 .85 1.00
71�F805 380 30.6 9.0 1.13 .46 .59 .71 29.4 8.6 1.32 .46 .60 .72 28.0 8.2 1.52 .47 .61 .73 26.4 7.7 1.77 .47 .62 .76
71�F(22�C)
925 435 31.8 9.3 1.14 .47 .60 .73 30.4 8.9 1.32 .47 .62 .75 28.8 8.4 1.53 .48 .63 .77 27.4 8.0 1.78 .48 .64 .79(22�C)
1050 495 32.6 9.6 1.14 .48 .62 .76 31.2 9.1 1.33 .48 .63 .78 29.8 8.7 1.53 .49 .65 .80 28.0 8.2 1.78 .49 .66 .83
SECOND STAGE COOLING CAPACITY − XC21−036 with [CX34−49C−6F + G61MPV−60C−110][C33−49C + G61MPV−60C−110]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1405 665 39.5 11.6 2.10 .81 .96 1.00 37.6 11.0 2.35 .82 .98 1.00 35.6 10.4 2.64 .85 1.00 1.00 33.6 9.8 2.96 .88 1.00 1.00
63�F(17�C)
1610 760 40.5 11.9 2.11 .84 1.00 1.00 38.5 11.3 2.36 .86 1.00 1.00 36.8 10.8 2.65 .89 1.00 1.00 34.8 10.2 2.97 .92 1.00 1.00(17�C)
1795 845 41.5 12.2 2.11 .87 1.00 1.00 40.0 11.7 2.37 .89 1.00 1.00 38.0 11.1 2.66 .93 1.00 1.00 35.8 10.5 2.98 .96 1.00 1.00
67�F1405 665 41.5 12.2 2.11 .64 .78 .92 39.5 11.6 2.37 .65 .80 .95 37.4 11.0 2.65 .66 .82 .98 35.0 10.3 2.98 .68 .85 1.00
67�F(19�C)
1610 760 43.0 12.6 2.12 .66 .82 .97 40.5 11.9 2.38 .67 .84 .99 38.5 11.3 2.66 .69 .86 1.00 35.8 10.5 2.98 .71 .90 1.00(19�C)
1795 845 43.5 12.7 2.13 .68 .85 1.00 41.5 12.2 2.38 .69 .87 1.00 39.0 11.4 2.66 .71 .90 1.00 36.6 10.7 2.99 .73 .94 1.00
71�F1405 665 43.5 12.7 2.13 .48 .62 .76 41.5 12.2 2.38 .49 .63 .78 39.5 11.6 2.67 .49 .65 .80 37.0 10.8 2.99 .49 .67 .83
71�F(22�C)
1610 760 45.0 13.2 2.14 .49 .65 .79 42.5 12.5 2.40 .49 .66 .81 40.5 11.9 2.68 .50 .68 .84 37.8 11.1 3.00 .52 .70 .87(22�C)
1795 845 46.0 13.5 2.15 .50 .67 .82 43.5 12.7 2.40 .51 .68 .85 41.0 12.0 2.68 .52 .70 .88 38.5 11.3 3.01 .53 .73 .92
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 3 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 63
FIRST STAGE COOLING CAPACITY − XC21−036 with [CX34−50/60C−6F + G60UHV−36C−090][C33−50/60C + G60UHV−36C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F705 335 26.6 7.8 1.11 .73 .86 .98 25.4 7.4 1.30 .75 .88 1.00 24.0 7.0 1.51 .76 .90 1.00 22.8 6.7 1.76 .78 .93 1.00
63�F(17�C)
790 375 27.4 8.0 1.11 .76 .89 1.00 26.2 7.7 1.30 .77 .91 1.00 24.8 7.3 1.51 .79 .94 1.00 23.4 6.9 1.76 .81 .97 1.00(17�C)
915 430 28.4 8.3 1.12 .79 .94 1.00 27.2 8.0 1.30 .80 .96 1.00 25.8 7.6 1.52 .82 .98 1.00 24.2 7.1 1.76 .84 1.00 1.00
67�F705 335 28.2 8.3 1.12 .59 .71 .82 27.0 7.9 1.31 .59 .71 .84 25.8 7.6 1.52 .61 .74 .86 24.4 7.2 1.76 .62 .76 .89
67�F(19�C)
790 375 29.0 8.5 1.12 .60 .73 .85 27.8 8.1 1.31 .61 .74 .88 26.4 7.7 1.52 .62 .76 .90 25.0 7.3 1.77 .63 .78 .93(19�C)
915 430 30.0 8.8 1.13 .62 .76 .90 28.8 8.4 1.31 .63 .78 .92 27.4 8.0 1.53 .64 .80 .95 25.8 7.6 1.77 .65 .82 .98
71�F705 335 30.0 8.8 1.13 .46 .57 .68 28.8 8.4 1.31 .46 .57 .69 27.4 8.0 1.52 .46 .58 .71 26.0 7.6 1.77 .46 .60 .73
71�F(22�C)
790 375 30.8 9.0 1.13 .46 .58 .70 29.6 8.7 1.32 .46 .59 .72 28.2 8.3 1.53 .47 .60 .73 26.6 7.8 1.77 .47 .62 .75(22�C)
915 430 32.0 9.4 1.14 .47 .60 .73 30.6 9.0 1.32 .47 .62 .75 29.2 8.6 1.53 .48 .63 .77 27.4 8.0 1.77 .48 .64 .79
SECOND STAGE COOLING CAPACITY − XC21−036 with [CX34−50/60C−6F + G60UHV−36C−090][C33−50/60C + G60UHV−36C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1015 480 36.6 10.7 2.07 .74 .86 .99 34.8 10.2 2.33 .75 .88 1.00 33.0 9.7 2.62 .77 .91 1.00 31.0 9.1 2.94 .79 .94 1.00
63�F(17�C)
1185 560 38.0 11.1 2.09 .77 .91 1.00 36.2 10.6 2.34 .79 .93 1.00 34.2 10.0 2.63 .81 .96 1.00 32.0 9.4 2.95 .83 .99 1.00(17�C)
1395 660 39.5 11.6 2.10 .81 .96 1.00 37.4 11.0 2.35 .83 .99 1.00 35.4 10.4 2.63 .85 1.00 1.00 33.4 9.8 2.96 .88 1.00 1.00
67�F1015 480 39.0 11.4 2.09 .59 .72 .83 37.0 10.8 2.35 .60 .73 .85 35.0 10.3 2.63 .60 .75 .88 32.8 9.6 2.95 .62 .77 .91
67�F(19�C)
1185 560 40.0 11.7 2.10 .61 .75 .88 38.0 11.1 2.36 .62 .76 .90 36.2 10.6 2.64 .63 .78 .93 33.8 9.9 2.96 .65 .80 .96(19�C)
1395 660 41.5 12.2 2.11 .64 .79 .93 39.5 11.6 2.37 .64 .80 .95 37.4 11.0 2.65 .66 .83 .98 35.0 10.3 2.97 .68 .86 1.00
71�F1015 480 41.0 12.0 2.11 .46 .58 .69 39.0 11.4 2.36 .46 .58 .71 37.0 10.8 2.65 .46 .59 .72 34.8 10.2 2.97 .47 .61 .74
71�F(22�C)
1185 560 42.5 12.5 2.12 .47 .60 .72 40.5 11.9 2.37 .47 .61 .74 38.5 11.3 2.66 .48 .62 .76 35.8 10.5 2.98 .49 .63 .78(22�C)
1395 660 44.0 12.9 2.13 .48 .62 .76 41.5 12.2 2.39 .49 .64 .78 39.5 11.6 2.67 .49 .65 .80 37.0 10.8 2.99 .50 .67 .83
FIRST STAGE COOLING CAPACITY − XC21−036 with [CX34−50/60C−6F + G60UHV−60C−090][C33−50/60C + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F930 440 28.4 8.3 1.12 .79 .94 1.00 27.2 8.0 1.31 .81 .96 1.00 25.8 7.6 1.52 .83 .99 1.00 24.4 7.2 1.76 .85 1.00 1.00
63�F(17�C)
930 440 28.4 8.3 1.12 .79 .94 1.00 27.2 8.0 1.31 .81 .96 1.00 25.8 7.6 1.52 .83 .99 1.00 24.4 7.2 1.76 .85 1.00 1.00(17�C)
1055 500 29.2 8.6 1.12 .82 .98 1.00 28.0 8.2 1.31 .84 1.00 1.00 26.6 7.8 1.52 .86 1.00 1.00 25.4 7.4 1.77 .89 1.00 1.00
67�F930 440 30.2 8.9 1.13 .62 .76 .90 28.8 8.4 1.31 .63 .78 .92 27.4 8.0 1.53 .64 .80 .95 25.8 7.6 1.77 .65 .82 .98
67�F(19�C)
930 440 30.2 8.9 1.13 .62 .76 .90 28.8 8.4 1.31 .63 .78 .92 27.4 8.0 1.53 .64 .80 .95 25.8 7.6 1.77 .65 .82 .98(19�C)
1055 500 31.0 9.1 1.13 .64 .79 .94 29.6 8.7 1.32 .65 .81 .97 28.2 8.3 1.53 .66 .83 .99 26.4 7.7 1.77 .68 .86 1.00
71�F930 440 32.0 9.4 1.14 .47 .61 .74 30.6 9.0 1.32 .47 .62 .75 29.2 8.6 1.53 .48 .63 .77 27.6 8.1 1.77 .48 .64 .80
71�F(22�C)
930 440 32.0 9.4 1.14 .47 .61 .74 30.6 9.0 1.32 .47 .62 .75 29.2 8.6 1.53 .48 .63 .77 27.6 8.1 1.77 .48 .64 .80(22�C)
1055 500 33.0 9.7 1.15 .48 .62 .77 31.4 9.2 1.33 .48 .63 .79 29.8 8.7 1.53 .48 .65 .81 28.2 8.3 1.78 .49 .67 .84
SECOND STAGE COOLING CAPACITY − XC21−036 with [CX34−50/60C−6F + G60UHV−60C−090][C33−50/60C + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1355 640 39.0 11.4 2.09 .80 .95 1.00 37.2 10.9 2.35 .82 .98 1.00 35.2 10.3 2.63 .84 1.00 1.00 33.2 9.7 2.96 .87 1.00 1.00
63�F(17�C)
1355 640 39.0 11.4 2.09 .80 .95 1.00 37.2 10.9 2.35 .82 .98 1.00 35.2 10.3 2.63 .84 1.00 1.00 33.2 9.7 2.96 .87 1.00 1.00(17�C)
1520 715 40.0 11.7 2.10 .83 .99 1.00 38.0 11.1 2.35 .85 1.00 1.00 36.2 10.6 2.64 .87 1.00 1.00 34.2 10.0 2.97 .91 1.00 1.00
67�F1355 640 41.0 12.0 2.11 .63 .77 .92 39.0 11.4 2.36 .64 .79 .94 37.0 10.8 2.65 .65 .82 .97 34.8 10.2 2.97 .67 .84 1.00
67�F(19�C)
1355 640 41.0 12.0 2.11 .63 .77 .92 39.0 11.4 2.36 .64 .79 .94 37.0 10.8 2.65 .65 .82 .97 34.8 10.2 2.97 .67 .84 1.00(19�C)
1520 715 42.0 12.3 2.12 .64 .81 .96 40.0 11.7 2.37 .66 .83 .98 37.8 11.1 2.66 .68 .85 1.00 35.4 10.4 2.98 .70 .88 1.00
71�F1355 640 43.5 12.7 2.13 .48 .62 .75 41.5 12.2 2.38 .48 .63 .77 39.0 11.4 2.67 .49 .64 .79 36.8 10.8 2.99 .49 .66 .82
71�F(22�C)
1355 640 43.5 12.7 2.13 .48 .62 .75 41.5 12.2 2.38 .48 .63 .77 39.0 11.4 2.67 .49 .64 .79 36.8 10.8 2.99 .49 .66 .82(22�C)
1520 715 44.5 13.0 2.14 .49 .64 .78 42.0 12.3 2.39 .49 .64 .80 40.0 11.7 2.67 .50 .66 .83 37.4 11.0 3.00 .50 .68 .86
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 2 TON
DOWN−FLOW INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 64
FIRST STAGE COOLING CAPACITY − XC21−036 with [CR26−36N/W−2F]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F800 380 27.2 8.0 1.11 .77 .91 1.00 26.0 7.6 1.29 .79 .93 1.00 24.8 7.3 1.50 .81 .96 1.00 23.4 6.9 1.75 .83 .98 1.00
63�F(17�C)
900 425 28.0 8.2 1.11 .80 .95 1.00 26.8 7.9 1.30 .82 .97 1.00 25.4 7.4 1.51 .84 .99 1.00 24.0 7.0 1.75 .87 1.00 1.00(17�C)
1000 470 28.6 8.4 1.12 .83 .98 1.00 27.4 8.0 1.30 .85 1.00 1.00 26.2 7.7 1.51 .87 1.00 1.00 24.8 7.3 1.75 .90 1.00 1.00
67�F800 380 28.8 8.4 1.12 .62 .75 .88 27.6 8.1 1.30 .63 .76 .90 26.2 7.7 1.51 .64 .78 .92 24.8 7.3 1.75 .65 .80 .95
67�F(19�C)
900 425 29.6 8.7 1.12 .63 .78 .91 28.4 8.3 1.30 .64 .79 .93 27.0 7.9 1.51 .66 .81 .96 25.4 7.4 1.75 .67 .84 .99(19�C)
1000 470 30.2 8.9 1.13 .65 .80 .95 29.0 8.5 1.31 .66 .82 .97 27.4 8.0 1.52 .68 .84 .99 25.8 7.6 1.76 .69 .87 1.00
71�F800 380 30.6 9.0 1.13 .47 .60 .72 29.4 8.6 1.31 .48 .61 .74 27.8 8.1 1.52 .48 .62 .75 26.4 7.7 1.76 .49 .63 .78
71�F(22�C)
900 425 31.4 9.2 1.13 .48 .62 .75 30.0 8.8 1.31 .49 .63 .77 28.6 8.4 1.52 .49 .64 .79 27.0 7.9 1.76 .50 .66 .81(22�C)
1000 470 32.0 9.4 1.14 .49 .64 .78 30.6 9.0 1.32 .50 .65 .80 29.2 8.6 1.52 .50 .66 .82 27.4 8.0 1.76 .51 .68 .84
SECOND STAGE COOLING CAPACITY − XC21−036 with [CR26−36N/W−2F]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1000 470 35.8 10.5 2.07 .75 .88 .99 34.2 10.0 2.33 .77 .90 1.00 32.2 9.4 2.61 .78 .93 1.00 30.4 8.9 2.93 .81 .95 1.00
63�F(17�C)
1200 565 37.2 10.9 2.08 .79 .93 1.00 35.6 10.4 2.34 .81 .95 1.00 33.6 9.8 2.62 .83 .98 1.00 31.6 9.3 2.94 .86 1.00 1.00(17�C)
1400 660 38.5 11.3 2.09 .83 .98 1.00 36.6 10.7 2.34 .85 .99 1.00 34.6 10.1 2.63 .87 1.00 1.00 32.8 9.6 2.95 .90 1.00 1.00
67�F1000 470 38.0 11.1 2.08 .60 .73 .85 36.2 10.6 2.34 .61 .74 .87 34.2 10.0 2.63 .62 .76 .89 32.2 9.4 2.95 .64 .78 .92
67�F(19�C)
1200 565 39.5 11.6 2.10 .63 .77 .90 37.4 11.0 2.35 .64 .78 .92 35.4 10.4 2.63 .65 .81 .95 33.2 9.7 2.96 .67 .83 .98(19�C)
1400 660 40.5 11.9 2.10 .65 .80 .95 38.5 11.3 2.36 .66 .83 .97 36.2 10.6 2.64 .68 .85 .99 34.0 10.0 2.96 .70 .88 1.00
71�F1000 470 40.0 11.7 2.10 .47 .59 .70 38.0 11.1 2.36 .47 .60 .72 36.0 10.6 2.64 .48 .61 .73 34.0 10.0 2.97 .48 .62 .76
71�F(22�C)
1200 565 41.5 12.2 2.11 .48 .61 .74 39.5 11.6 2.37 .48 .62 .76 37.4 11.0 2.65 .49 .64 .78 35.2 10.3 2.98 .50 .66 .81(22�C)
1400 660 42.5 12.5 2.12 .49 .64 .78 40.5 11.9 2.38 .50 .65 .80 38.5 11.3 2.66 .50 .67 .83 36.0 10.6 2.98 .51 .69 .86
FIRST STAGE COOLING CAPACITY − XC21−036 with [CR26−48N/W−2F]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F800 380 26.4 7.7 1.10 .76 .90 1.00 25.4 7.4 1.29 .78 .92 1.00 24.2 7.1 1.50 .80 .94 1.00 22.8 6.7 1.75 .82 .97 1.00
63�F(17�C)
900 425 27.2 8.0 1.11 .79 .93 1.00 26.0 7.6 1.29 .80 .95 1.00 24.8 7.3 1.50 .82 .98 1.00 23.6 6.9 1.75 .84 1.00 1.00(17�C)
1000 470 27.8 8.1 1.11 .81 .96 1.00 26.6 7.8 1.30 .83 .98 1.00 25.6 7.5 1.51 .85 1.00 1.00 24.2 7.1 1.75 .88 1.00 1.00
67�F800 380 28.2 8.3 1.11 .61 .74 .86 27.2 8.0 1.30 .62 .75 .88 25.8 7.6 1.51 .63 .77 .90 24.4 7.2 1.75 .64 .79 .93
67�F(19�C)
900 425 29.0 8.5 1.12 .63 .76 .89 27.8 8.1 1.30 .64 .78 .91 26.4 7.7 1.51 .65 .79 .94 25.0 7.3 1.76 .66 .82 .97(19�C)
1000 470 29.6 8.7 1.12 .64 .78 .92 28.4 8.3 1.30 .65 .80 .95 27.0 7.9 1.51 .66 .82 .97 25.4 7.4 1.76 .68 .85 1.00
71�F800 380 30.0 8.8 1.12 .47 .60 .71 28.8 8.4 1.31 .47 .60 .73 27.4 8.0 1.51 .48 .62 .74 26.0 7.6 1.76 .49 .63 .76
71�F(22�C)
900 425 30.8 9.0 1.13 .48 .61 .74 29.6 8.7 1.31 .48 .62 .75 28.2 8.3 1.52 .49 .63 .77 26.6 7.8 1.76 .50 .65 .79(22�C)
1000 470 31.4 9.2 1.13 .49 .63 .76 30.2 8.9 1.31 .49 .63 .77 28.6 8.4 1.52 .50 .65 .80 27.2 8.0 1.76 .51 .67 .82
SECOND STAGE COOLING CAPACITY − XC21−036 with [CR26−48N/W−2F]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1000 470 35.4 10.4 2.07 .74 .87 .98 33.8 9.9 2.32 .76 .89 1.00 32.0 9.4 2.61 .77 .91 1.00 30.0 8.8 2.93 .79 .94 1.00
63�F(17�C)
1200 565 36.8 10.8 2.08 .77 .91 1.00 35.0 10.3 2.33 .79 .94 1.00 33.2 9.7 2.62 .81 .96 1.00 31.2 9.1 2.94 .83 .99 1.00(17�C)
1400 660 38.0 11.1 2.08 .81 .96 1.00 36.0 10.6 2.34 .82 .98 1.00 34.2 10.0 2.63 .85 1.00 1.00 32.4 9.5 2.95 .88 1.00 1.00
67�F1000 470 37.6 11.0 2.08 .60 .72 .83 35.8 10.5 2.33 .61 .73 .85 34.0 10.0 2.63 .62 .75 .87 32.0 9.4 2.95 .63 .77 .90
67�F(19�C)
1200 565 39.0 11.4 2.09 .62 .75 .88 37.2 10.9 2.35 .63 .77 .90 35.2 10.3 2.63 .64 .79 .93 33.0 9.7 2.95 .66 .81 .96(19�C)
1400 660 40.0 11.7 2.10 .64 .78 .92 38.0 11.1 2.36 .65 .80 .95 36.2 10.6 2.64 .67 .82 .98 33.8 9.9 2.97 .68 .85 1.00
71�F1000 470 40.0 11.7 2.10 .46 .58 .69 38.0 11.1 2.35 .47 .59 .71 36.0 10.6 2.64 .47 .61 .72 33.8 9.9 2.96 .48 .62 .74
71�F(22�C)
1200 565 41.5 12.2 2.11 .48 .61 .73 39.5 11.6 2.36 .48 .62 .74 37.2 10.9 2.65 .49 .63 .76 35.0 10.3 2.97 .50 .65 .79(22�C)
1400 660 42.5 12.5 2.12 .49 .63 .76 40.5 11.9 2.37 .50 .64 .78 38.0 11.1 2.66 .50 .65 .80 35.8 10.5 2.98 .51 .67 .83
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 3 TON
DOWN−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 65
FIRST STAGE COOLING CAPACITY − XC21−036 with [CR26−36N−F + G60DFV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F745 350 26.6 7.8 1.11 .75 .88 1.00 25.4 7.4 1.30 .76 .90 1.00 24.2 7.1 1.51 .78 .93 1.00 22.8 6.7 1.76 .80 .95 1.00
63�F(17�C)
860 405 27.6 8.1 1.12 .78 .92 1.00 26.4 7.7 1.30 .80 .94 1.00 25.0 7.3 1.52 .81 .97 1.00 23.6 6.9 1.76 .84 .99 1.00(17�C)
970 460 28.4 8.3 1.12 .81 .96 1.00 27.0 7.9 1.30 .82 .98 1.00 25.6 7.5 1.52 .85 1.00 1.00 24.4 7.2 1.76 .87 1.00 1.00
67�F745 350 28.2 8.3 1.12 .59 .72 .85 27.0 7.9 1.31 .60 .74 .86 25.8 7.6 1.52 .61 .75 .89 24.4 7.2 1.76 .62 .77 .91
67�F(19�C)
860 405 29.2 8.6 1.12 .61 .75 .89 28.0 8.2 1.31 .62 .77 .91 26.6 7.8 1.52 .64 .79 .93 25.0 7.3 1.77 .65 .81 .96(19�C)
970 460 30.0 8.8 1.13 .63 .78 .92 28.6 8.4 1.31 .64 .80 .95 27.2 8.0 1.52 .66 .82 .97 25.6 7.5 1.77 .67 .85 1.00
71�F745 350 30.0 8.8 1.13 .46 .58 .69 28.6 8.4 1.31 .46 .59 .71 27.4 8.0 1.52 .46 .60 .72 25.8 7.6 1.77 .47 .61 .74
71�F(22�C)
860 405 31.0 9.1 1.13 .46 .60 .73 29.6 8.7 1.32 .47 .61 .74 28.2 8.3 1.53 .47 .62 .76 26.6 7.8 1.77 .48 .63 .78(22�C)
970 460 31.8 9.3 1.14 .47 .62 .76 30.4 8.9 1.32 .48 .63 .77 28.8 8.4 1.53 .48 .64 .79 27.2 8.0 1.77 .49 .66 .82
SECOND STAGE COOLING CAPACITY − XC21−036 with [CR26−36N−F + G60DFV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1040 490 36.0 10.6 2.07 .75 .89 1.00 34.4 10.1 2.33 .77 .91 1.00 32.4 9.5 2.61 .79 .93 1.00 30.6 9.0 2.94 .81 .96 1.00
63�F(17�C)
1235 585 37.4 11.0 2.08 .79 .94 1.00 35.6 10.4 2.34 .81 .96 1.00 33.8 9.9 2.62 .83 .98 1.00 31.6 9.3 2.94 .86 1.00 1.00(17�C)
1425 675 38.5 11.3 2.09 .83 .98 1.00 36.8 10.8 2.34 .85 .99 1.00 34.8 10.2 2.63 .87 1.00 1.00 32.8 9.6 2.96 .90 1.00 1.00
67�F1040 490 38.0 11.1 2.09 .60 .73 .85 36.4 10.7 2.34 .61 .74 .87 34.4 10.1 2.63 .62 .76 .90 32.2 9.4 2.95 .63 .78 .93
67�F(19�C)
1235 585 39.5 11.6 2.10 .63 .77 .90 37.6 11.0 2.35 .64 .79 .93 35.6 10.4 2.64 .65 .81 .95 33.2 9.7 2.96 .67 .83 .98(19�C)
1425 675 40.5 11.9 2.10 .65 .81 .95 38.5 11.3 2.36 .66 .83 .97 36.4 10.7 2.64 .68 .85 .99 34.0 10.0 2.97 .70 .88 1.00
71�F1040 490 40.0 11.7 2.10 .46 .59 .70 38.5 11.3 2.35 .47 .60 .72 36.2 10.6 2.64 .47 .61 .74 34.2 10.0 2.97 .48 .62 .76
71�F(22�C)
1235 585 41.5 12.2 2.11 .47 .61 .74 39.5 11.6 2.37 .48 .62 .76 37.4 11.0 2.65 .49 .64 .78 35.2 10.3 2.98 .49 .65 .81(22�C)
1425 675 42.5 12.5 2.12 .49 .64 .78 40.5 11.9 2.38 .49 .65 .80 38.5 11.3 2.66 .50 .67 .83 36.0 10.6 2.98 .51 .69 .86
FIRST STAGE COOLING CAPACITY − XC21−036 with [CR26−48N−F + G60DFV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F745 350 26.0 7.6 1.11 .74 .87 .99 24.8 7.3 1.30 .75 .89 1.00 23.6 6.9 1.51 .77 .91 1.00 22.4 6.6 1.76 .79 .94 1.00
63�F(17�C)
860 405 26.8 7.9 1.11 .77 .90 1.00 25.6 7.5 1.30 .78 .93 1.00 24.4 7.2 1.51 .80 .95 1.00 23.0 6.7 1.76 .82 .98 1.00(17�C)
970 460 27.6 8.1 1.12 .79 .94 1.00 26.4 7.7 1.30 .81 .96 1.00 25.0 7.3 1.51 .83 .99 1.00 24.0 7.0 1.76 .85 1.00 1.00
67�F745 350 27.8 8.1 1.12 .60 .71 .83 26.6 7.8 1.30 .60 .73 .85 25.4 7.4 1.52 .61 .74 .87 24.0 7.0 1.76 .62 .76 .90
67�F(19�C)
860 405 28.6 8.4 1.12 .61 .74 .87 27.4 8.0 1.31 .62 .76 .89 26.0 7.6 1.52 .63 .77 .91 24.6 7.2 1.77 .64 .79 .94(19�C)
970 460 29.4 8.6 1.12 .62 .77 .90 28.0 8.2 1.31 .63 .78 .93 26.8 7.9 1.52 .65 .80 .95 25.2 7.4 1.77 .66 .82 .98
71�F745 350 29.4 8.6 1.12 .45 .58 .69 28.2 8.3 1.31 .45 .59 .70 27.0 7.9 1.52 .46 .60 .71 25.4 7.4 1.77 .46 .61 .73
71�F(22�C)
860 405 30.4 8.9 1.13 .46 .59 .72 29.2 8.6 1.31 .47 .60 .73 27.8 8.1 1.53 .47 .61 .75 26.2 7.7 1.77 .48 .63 .77(22�C)
970 460 31.2 9.1 1.13 .47 .61 .74 29.8 8.7 1.32 .47 .62 .76 28.4 8.3 1.53 .47 .63 .77 26.8 7.9 1.77 .49 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−036 with [CR26−48N−F + G60DFV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1040 490 35.6 10.4 2.07 .74 .87 .99 34.0 10.0 2.32 .76 .89 1.00 32.2 9.4 2.61 .77 .91 1.00 30.2 8.9 2.93 .79 .94 1.00
63�F(17�C)
1235 585 37.0 10.8 2.08 .77 .92 1.00 35.2 10.3 2.33 .79 .94 1.00 33.2 9.7 2.62 .81 .96 1.00 31.2 9.1 2.94 .83 .99 1.00(17�C)
1425 675 38.0 11.1 2.08 .80 .96 1.00 36.0 10.6 2.34 .82 .98 1.00 34.2 10.0 2.63 .85 1.00 1.00 32.4 9.5 2.95 .88 1.00 1.00
67�F1040 490 37.8 11.1 2.08 .60 .72 .83 36.0 10.6 2.34 .61 .73 .85 34.2 10.0 2.63 .62 .75 .88 32.0 9.4 2.95 .63 .77 .91
67�F(19�C)
1235 585 39.0 11.4 2.09 .62 .75 .88 37.2 10.9 2.35 .63 .77 .90 35.2 10.3 2.63 .64 .79 .93 33.0 9.7 2.95 .65 .81 .96(19�C)
1425 675 40.0 11.7 2.10 .64 .78 .92 38.5 11.3 2.36 .65 .80 .95 36.2 10.6 2.64 .66 .82 .98 34.0 10.0 2.97 .68 .85 1.00
71�F1040 490 40.0 11.7 2.10 .45 .58 .69 38.0 11.1 2.36 .45 .59 .71 36.0 10.6 2.64 .46 .60 .72 34.0 10.0 2.96 .47 .62 .74
71�F(22�C)
1235 585 41.5 12.2 2.11 .47 .61 .73 39.5 11.6 2.36 .47 .61 .74 37.4 11.0 2.65 .48 .63 .76 35.0 10.3 2.97 .49 .64 .79(22�C)
1425 675 42.5 12.5 2.12 .48 .63 .76 40.5 11.9 2.37 .49 .64 .78 38.0 11.1 2.66 .50 .65 .80 36.0 10.6 2.98 .51 .67 .83
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 3 TON
HORIZONTAL INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 66
FIRST STAGE COOLING CAPACITY − XC21−036 with [CH23−41]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F800 380 26.0 7.6 1.10 .76 .90 1.00 24.8 7.3 1.29 .78 .92 1.00 23.6 6.9 1.50 .80 .94 1.00 22.4 6.6 1.74 .82 .97 1.00
63�F(17�C)
900 425 26.6 7.8 1.11 .79 .93 1.00 25.6 7.5 1.29 .80 .95 1.00 24.4 7.2 1.50 .82 .97 1.00 23.2 6.8 1.75 .85 .99 1.00(17�C)
1000 470 27.4 8.0 1.11 .81 .96 1.00 26.4 7.7 1.29 .83 .98 1.00 25.2 7.4 1.50 .85 1.00 1.00 24.0 7.0 1.75 .88 1.00 1.00
67�F800 380 27.8 8.1 1.11 .61 .74 .86 26.8 7.9 1.30 .62 .75 .88 25.4 7.4 1.51 .63 .77 .91 24.0 7.0 1.75 .65 .79 .94
67�F(19�C)
900 425 28.6 8.4 1.12 .63 .76 .90 27.4 8.0 1.30 .64 .78 .92 26.2 7.7 1.51 .65 .80 .94 24.6 7.2 1.75 .66 .82 .97(19�C)
1000 470 29.2 8.6 1.12 .64 .79 .93 28.0 8.2 1.30 .65 .80 .95 26.6 7.8 1.51 .67 .83 .97 25.0 7.3 1.76 .68 .85 .99
71�F800 380 29.8 8.7 1.12 .47 .60 .71 28.6 8.4 1.31 .48 .61 .73 27.2 8.0 1.51 .48 .62 .74 25.8 7.6 1.76 .49 .63 .76
71�F(22�C)
900 425 30.6 9.0 1.13 .48 .61 .74 29.4 8.6 1.31 .48 .62 .75 28.0 8.2 1.52 .49 .63 .77 26.4 7.7 1.76 .50 .65 .80(22�C)
1000 470 31.2 9.1 1.13 .49 .62 .76 30.0 8.8 1.31 .49 .64 .78 28.6 8.4 1.52 .50 .65 .80 27.0 7.9 1.76 .51 .67 .83
SECOND STAGE COOLING CAPACITY − XC21−036 with [CH23−41]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1000 470 34.8 10.2 2.06 .74 .87 .98 33.2 9.7 2.31 .76 .89 .99 31.4 9.2 2.60 .78 .91 1.00 29.6 8.7 2.93 .80 .94 1.00
63�F(17�C)
1200 565 36.2 10.6 2.07 .78 .92 1.00 34.6 10.1 2.33 .80 .94 1.00 32.8 9.6 2.61 .82 .97 1.00 30.8 9.0 2.94 .84 .99 1.00(17�C)
1400 660 37.4 11.0 2.08 .81 .96 1.00 35.8 10.5 2.34 .83 .98 1.00 34.0 10.0 2.62 .86 1.00 1.00 32.2 9.4 2.95 .89 1.00 1.00
67�F1000 470 37.2 10.9 2.08 .60 .72 .84 35.4 10.4 2.34 .61 .73 .86 33.6 9.8 2.62 .62 .75 .88 31.6 9.3 2.95 .63 .77 .91
67�F(19�C)
1200 565 38.5 11.3 2.09 .62 .76 .89 36.8 10.8 2.34 .63 .77 .91 34.8 10.2 2.63 .65 .79 .94 32.8 9.6 2.95 .66 .82 .97(19�C)
1400 660 40.0 11.7 2.10 .64 .79 .93 38.0 11.1 2.35 .66 .81 .96 35.8 10.5 2.64 .67 .83 .98 33.6 9.8 2.96 .69 .86 1.00
71�F1000 470 39.5 11.6 2.10 .47 .59 .70 37.6 11.0 2.35 .47 .60 .71 35.8 10.5 2.64 .48 .61 .73 33.6 9.8 2.96 .48 .62 .75
71�F(22�C)
1200 565 41.0 12.0 2.11 .48 .61 .73 39.0 11.4 2.36 .48 .62 .75 37.0 10.8 2.65 .49 .63 .77 34.8 10.2 2.97 .50 .65 .80(22�C)
1400 660 42.0 12.3 2.12 .49 .63 .77 40.0 11.7 2.37 .49 .64 .79 38.0 11.1 2.66 .50 .66 .81 35.8 10.5 2.98 .51 .68 .84
FIRST STAGE COOLING CAPACITY − XC21−036 with [CH23−51]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F800 380 26.8 7.9 1.11 .77 .91 1.00 25.6 7.5 1.29 .78 .93 1.00 24.4 7.2 1.50 .80 .95 1.00 23.0 6.7 1.75 .82 .98 1.00
63�F(17�C)
900 425 27.6 8.1 1.11 .79 .94 1.00 26.4 7.7 1.29 .81 .96 1.00 25.2 7.4 1.50 .83 .98 1.00 23.8 7.0 1.75 .86 1.00 1.00(17�C)
1000 470 28.4 8.3 1.11 .82 .97 1.00 27.2 8.0 1.30 .84 .99 1.00 26.0 7.6 1.51 .86 1.00 1.00 24.8 7.3 1.75 .89 1.00 1.00
67�F800 380 28.6 8.4 1.12 .61 .74 .87 27.6 8.1 1.30 .62 .76 .89 26.2 7.7 1.51 .63 .77 .92 24.6 7.2 1.75 .65 .80 .94
67�F(19�C)
900 425 29.4 8.6 1.12 .63 .77 .91 28.2 8.3 1.30 .64 .78 .93 26.8 7.9 1.51 .65 .80 .95 25.4 7.4 1.76 .67 .83 .98(19�C)
1000 470 30.2 8.9 1.13 .64 .79 .94 28.8 8.4 1.31 .66 .81 .96 27.4 8.0 1.51 .67 .83 .98 25.8 7.6 1.76 .68 .86 1.00
71�F800 380 30.4 8.9 1.13 .47 .60 .72 29.2 8.6 1.31 .47 .61 .73 27.8 8.1 1.52 .47 .62 .75 26.2 7.7 1.76 .48 .63 .77
71�F(22�C)
900 425 31.2 9.1 1.13 .48 .61 .74 30.0 8.8 1.31 .48 .62 .76 28.6 8.4 1.52 .48 .64 .78 27.0 7.9 1.76 .49 .65 .80(22�C)
1000 470 32.0 9.4 1.14 .49 .63 .77 30.6 9.0 1.32 .49 .64 .79 29.0 8.5 1.52 .50 .66 .81 27.4 8.0 1.76 .50 .67 .83
SECOND STAGE COOLING CAPACITY − XC21−036 with [CH23−51]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1000 470 36.0 10.6 2.07 .75 .87 .99 34.2 10.0 2.32 .76 .89 1.00 32.4 9.5 2.61 .78 .92 1.00 30.4 8.9 2.93 .80 .95 1.00
63�F(17�C)
1200 565 37.4 11.0 2.08 .78 .93 1.00 35.6 10.4 2.34 .80 .95 1.00 33.6 9.8 2.62 .82 .97 1.00 31.6 9.3 2.94 .85 .99 1.00(17�C)
1400 660 38.5 11.3 2.09 .82 .97 1.00 36.8 10.8 2.35 .84 .99 1.00 35.0 10.3 2.63 .86 1.00 1.00 33.0 9.7 2.96 .90 1.00 1.00
67�F1000 470 38.0 11.1 2.09 .60 .72 .84 36.4 10.7 2.34 .61 .73 .86 34.4 10.1 2.63 .62 .75 .88 32.2 9.4 2.95 .63 .78 .92
67�F(19�C)
1200 565 39.5 11.6 2.10 .62 .76 .89 37.8 11.1 2.35 .63 .77 .92 35.6 10.4 2.64 .65 .80 .94 33.4 9.8 2.96 .66 .82 .97(19�C)
1400 660 41.0 12.0 2.11 .64 .79 .94 39.0 11.4 2.36 .66 .81 .96 36.6 10.7 2.65 .67 .84 .99 34.2 10.0 2.96 .69 .87 1.00
71�F1000 470 40.0 11.7 2.10 .46 .59 .70 38.5 11.3 2.36 .47 .59 .71 36.4 10.7 2.64 .47 .61 .73 34.2 10.0 2.97 .48 .62 .75
71�F(22�C)
1200 565 42.0 12.3 2.12 .47 .61 .73 40.0 11.7 2.37 .48 .62 .75 37.8 11.1 2.66 .49 .63 .77 35.4 10.4 2.98 .49 .65 .80(22�C)
1400 660 43.0 12.6 2.13 .49 .63 .77 41.0 12.0 2.38 .50 .64 .79 38.5 11.3 2.66 .50 .66 .82 36.4 10.7 2.99 .51 .68 .85
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 3 TON
HORIZONTAL INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 67
FIRST STAGE COOLING CAPACITY − XC21−036 with [CH33−36A/B/C−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F800 380 26.6 7.8 1.10 .76 .90 1.00 25.4 7.4 1.29 .78 .92 1.00 24.2 7.1 1.50 .80 .94 1.00 22.8 6.7 1.74 .82 .97 1.00
63�F(17�C)
900 425 27.4 8.0 1.11 .79 .93 1.00 26.2 7.7 1.29 .81 .95 1.00 24.8 7.3 1.51 .82 .98 1.00 23.4 6.9 1.75 .85 1.00 1.00(17�C)
1000 470 28.0 8.2 1.11 .81 .96 1.00 26.8 7.9 1.30 .83 .98 1.00 25.4 7.4 1.51 .84 1.00 1.00 24.0 7.0 1.75 .88 1.00 1.00
67�F800 380 28.4 8.3 1.11 .61 .74 .86 27.0 7.9 1.30 .61 .75 .88 25.8 7.6 1.51 .63 .77 .91 24.4 7.2 1.75 .64 .79 .93
67�F(19�C)
900 425 29.0 8.5 1.12 .62 .76 .90 27.8 8.1 1.30 .63 .78 .92 26.4 7.7 1.51 .65 .80 .94 25.0 7.3 1.76 .66 .82 .97(19�C)
1000 470 29.8 8.7 1.12 .64 .78 .93 28.4 8.3 1.30 .65 .80 .95 27.0 7.9 1.51 .66 .82 .97 25.4 7.4 1.76 .68 .85 1.00
71�F800 380 30.0 8.8 1.13 .47 .59 .71 28.8 8.4 1.31 .47 .60 .72 27.4 8.0 1.51 .48 .61 .74 26.0 7.6 1.76 .49 .62 .76
71�F(22�C)
900 425 31.0 9.1 1.13 .48 .61 .73 29.6 8.7 1.31 .48 .62 .75 28.2 8.3 1.52 .49 .63 .77 26.6 7.8 1.76 .49 .65 .79(22�C)
1000 470 31.6 9.3 1.13 .49 .62 .76 30.2 8.9 1.31 .49 .64 .78 28.8 8.4 1.52 .50 .65 .80 27.0 7.9 1.76 .50 .66 .82
SECOND STAGE COOLING CAPACITY − XC21−036 with [CH33−36A/B/C−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1000 470 35.0 10.3 2.06 .74 .86 .98 33.4 9.8 2.32 .75 .88 1.00 31.6 9.3 2.60 .77 .91 1.00 29.8 8.7 2.93 .79 .94 1.00
63�F(17�C)
1200 565 36.4 10.7 2.07 .78 .91 1.00 34.6 10.1 2.33 .79 .94 1.00 32.8 9.6 2.61 .81 .96 1.00 30.8 9.0 2.93 .84 .99 1.00(17�C)
1400 660 37.6 11.0 2.08 .81 .96 1.00 35.8 10.5 2.34 .82 .98 1.00 33.8 9.9 2.62 .85 1.00 1.00 31.8 9.3 2.94 .88 1.00 1.00
67�F1000 470 37.2 10.9 2.08 .60 .72 .83 35.4 10.4 2.33 .61 .73 .85 33.6 9.8 2.62 .61 .75 .87 31.6 9.3 2.94 .63 .77 .90
67�F(19�C)
1200 565 38.5 11.3 2.09 .62 .75 .88 36.8 10.8 2.34 .63 .76 .90 34.8 10.2 2.63 .64 .78 .93 32.8 9.6 2.95 .65 .81 .96(19�C)
1400 660 40.0 11.7 2.10 .64 .78 .93 37.8 11.1 2.35 .65 .80 .95 35.8 10.5 2.64 .66 .83 .98 33.4 9.8 2.96 .68 .85 1.00
71�F1000 470 39.5 11.6 2.09 .47 .58 .69 37.6 11.0 2.35 .47 .59 .70 35.6 10.4 2.63 .48 .60 .72 33.4 9.8 2.96 .48 .61 .74
71�F(22�C)
1200 565 41.0 12.0 2.11 .48 .60 .73 39.0 11.4 2.36 .48 .61 .74 36.8 10.8 2.65 .49 .62 .76 34.6 10.1 2.97 .49 .64 .78(22�C)
1400 660 42.0 12.3 2.12 .49 .62 .76 40.0 11.7 2.37 .49 .63 .78 37.8 11.1 2.65 .50 .65 .80 35.6 10.4 2.98 .51 .67 .83
FIRST STAGE COOLING CAPACITY − XC21−036 with [CH33−42B−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F800 380 27.2 8.0 1.11 .76 .90 1.00 26.0 7.6 1.29 .78 .92 1.00 24.8 7.3 1.50 .80 .95 1.00 23.4 6.9 1.75 .82 .98 1.00
63�F(17�C)
900 425 28.0 8.2 1.11 .79 .94 1.00 26.8 7.9 1.30 .81 .96 1.00 25.4 7.4 1.51 .83 .98 1.00 24.0 7.0 1.75 .85 1.00 1.00(17�C)
1000 470 28.8 8.4 1.12 .81 .97 1.00 27.4 8.0 1.30 .83 .99 1.00 26.0 7.6 1.51 .85 1.00 1.00 24.8 7.3 1.75 .88 1.00 1.00
67�F800 380 29.0 8.5 1.12 .61 .74 .86 27.8 8.1 1.30 .62 .75 .88 26.4 7.7 1.51 .63 .77 .91 24.8 7.3 1.75 .64 .79 .94
67�F(19�C)
900 425 29.8 8.7 1.12 .63 .76 .90 28.4 8.3 1.30 .64 .78 .92 27.0 7.9 1.51 .65 .80 .95 25.6 7.5 1.76 .66 .83 .98(19�C)
1000 470 30.4 8.9 1.13 .64 .79 .93 29.0 8.5 1.31 .65 .81 .95 27.6 8.1 1.52 .66 .83 .98 26.0 7.6 1.76 .67 .85 1.00
71�F800 380 30.8 9.0 1.13 .47 .59 .71 29.4 8.6 1.31 .48 .60 .72 28.0 8.2 1.52 .48 .61 .74 26.6 7.8 1.76 .49 .63 .76
71�F(22�C)
900 425 31.6 9.3 1.13 .48 .61 .74 30.2 8.9 1.32 .49 .62 .75 28.8 8.4 1.52 .49 .63 .77 27.2 8.0 1.76 .50 .65 .79(22�C)
1000 470 32.4 9.5 1.14 .49 .63 .76 30.8 9.0 1.32 .49 .64 .78 29.4 8.6 1.52 .50 .65 .80 27.8 8.1 1.77 .50 .67 .82
SECOND STAGE COOLING CAPACITY − XC21−036 with [CH33−42B−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1000 470 36.2 10.6 2.07 .74 .86 .98 34.4 10.1 2.33 .75 .88 1.00 32.6 9.6 2.61 .77 .91 1.00 30.6 9.0 2.93 .79 .94 1.00
63�F(17�C)
1200 565 37.6 11.0 2.08 .77 .92 1.00 35.8 10.5 2.34 .79 .94 1.00 33.8 9.9 2.62 .81 .97 1.00 31.8 9.3 2.95 .84 1.00 1.00(17�C)
1400 660 39.0 11.4 2.09 .81 .96 1.00 37.0 10.8 2.35 .83 .99 1.00 34.8 10.2 2.63 .85 1.00 1.00 33.0 9.7 2.96 .88 1.00 1.00
67�F1000 470 38.5 11.3 2.09 .59 .72 .83 36.6 10.7 2.34 .60 .73 .85 34.6 10.1 2.63 .61 .74 .87 32.6 9.6 2.95 .63 .77 .90
67�F(19�C)
1200 565 40.0 11.7 2.10 .62 .75 .88 38.0 11.1 2.35 .63 .77 .90 35.8 10.5 2.64 .64 .79 .93 33.6 9.8 2.96 .66 .81 .96(19�C)
1400 660 41.0 12.0 2.11 .64 .79 .93 39.0 11.4 2.36 .65 .81 .95 36.8 10.8 2.65 .67 .83 .98 34.4 10.1 2.97 .69 .86 1.00
71�F1000 470 40.5 11.9 2.11 .47 .58 .69 38.5 11.3 2.36 .47 .59 .70 36.6 10.7 2.65 .47 .60 .72 34.4 10.1 2.97 .48 .61 .74
71�F(22�C)
1200 565 42.0 12.3 2.12 .48 .60 .73 40.0 11.7 2.37 .48 .61 .74 38.0 11.1 2.66 .49 .63 .76 35.6 10.4 2.98 .49 .64 .79(22�C)
1400 660 43.5 12.7 2.13 .49 .63 .76 41.5 12.2 2.38 .49 .64 .78 39.0 11.4 2.66 .50 .65 .80 36.6 10.7 2.99 .51 .67 .83
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 3 TON
HORIZONTAL INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 68
FIRST STAGE COOLING CAPACITY − XC21−036 with [CH33−44/48B−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F800 380 27.6 8.1 1.11 .77 .91 1.00 26.4 7.7 1.29 .79 .93 1.00 25.0 7.3 1.50 .80 .95 1.00 23.6 6.9 1.75 .83 .98 1.00
63�F(17�C)
900 425 28.4 8.3 1.12 .80 .94 1.00 27.2 8.0 1.30 .81 .96 1.00 25.8 7.6 1.51 .83 .99 1.00 24.4 7.2 1.75 .86 1.00 1.00(17�C)
1000 470 29.0 8.5 1.12 .82 .97 1.00 27.8 8.1 1.30 .84 .99 1.00 26.4 7.7 1.51 .86 1.00 1.00 25.2 7.4 1.76 .89 1.00 1.00
67�F800 380 29.4 8.6 1.12 .62 .74 .87 28.2 8.3 1.30 .62 .76 .89 26.8 7.9 1.51 .63 .78 .91 25.2 7.4 1.76 .65 .80 .94
67�F(19�C)
900 425 30.2 8.9 1.13 .63 .76 .90 28.8 8.4 1.31 .64 .78 .93 27.4 8.0 1.52 .65 .80 .95 25.8 7.6 1.76 .66 .83 .98(19�C)
1000 470 31.0 9.1 1.13 .65 .79 .94 29.6 8.7 1.31 .65 .81 .96 28.0 8.2 1.52 .66 .82 .99 26.4 7.7 1.76 .69 .86 1.00
71�F800 380 31.2 9.1 1.13 .47 .60 .71 29.8 8.7 1.31 .48 .61 .73 28.4 8.3 1.52 .48 .62 .75 26.8 7.9 1.76 .49 .63 .77
71�F(22�C)
900 425 32.0 9.4 1.14 .48 .61 .74 30.6 9.0 1.32 .49 .62 .76 29.2 8.6 1.52 .49 .63 .77 27.4 8.0 1.76 .50 .65 .80(22�C)
1000 470 32.8 9.6 1.14 .49 .63 .77 31.2 9.1 1.32 .49 .63 .79 29.8 8.7 1.53 .50 .65 .80 28.0 8.2 1.77 .50 .67 .83
SECOND STAGE COOLING CAPACITY − XC21−036 with [CH33−44/48B−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1000 470 36.8 10.8 2.07 .74 .87 .99 35.0 10.3 2.33 .76 .89 1.00 33.2 9.7 2.61 .78 .92 1.00 31.0 9.1 2.94 .80 .95 1.00
63�F(17�C)
1200 565 38.5 11.3 2.09 .78 .92 1.00 36.4 10.7 2.34 .80 .95 1.00 34.4 10.1 2.63 .82 .97 1.00 32.2 9.4 2.95 .84 1.00 1.00(17�C)
1400 660 39.5 11.6 2.10 .82 .97 1.00 37.6 11.0 2.35 .83 .99 1.00 35.6 10.4 2.64 .86 1.00 1.00 33.6 9.8 2.96 .89 1.00 1.00
67�F1000 470 39.0 11.4 2.09 .60 .72 .84 37.2 10.9 2.35 .60 .73 .85 35.2 10.3 2.63 .62 .75 .88 33.0 9.7 2.95 .63 .77 .91
67�F(19�C)
1200 565 40.5 11.9 2.10 .62 .76 .89 38.5 11.3 2.36 .63 .77 .91 36.4 10.7 2.64 .64 .79 .94 34.2 10.0 2.96 .66 .82 .97(19�C)
1400 660 41.5 12.2 2.11 .64 .79 .94 39.5 11.6 2.37 .65 .81 .96 37.6 11.0 2.65 .67 .83 .99 35.2 10.3 2.98 .69 .86 1.00
71�F1000 470 41.0 12.0 2.11 .47 .58 .70 39.0 11.4 2.36 .47 .59 .71 37.2 10.9 2.65 .47 .60 .73 35.0 10.3 2.98 .48 .62 .75
71�F(22�C)
1200 565 43.0 12.6 2.12 .47 .60 .73 41.0 12.0 2.38 .48 .62 .75 38.5 11.3 2.66 .49 .63 .76 36.2 10.6 2.98 .50 .65 .79(22�C)
1400 660 44.0 12.9 2.13 .49 .63 .77 42.0 12.3 2.39 .49 .64 .79 39.5 11.6 2.67 .50 .65 .81 37.0 10.8 2.99 .51 .67 .84
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 3 TON
HORIZONTAL INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 69
FIRST STAGE COOLING CAPACITY − XC21−036 with [CH33−36A−2F + G60UHV−36A−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F745 350 26.0 7.6 1.11 .74 .87 .99 24.8 7.3 1.30 .75 .89 1.00 23.6 6.9 1.51 .77 .91 1.00 22.4 6.6 1.76 .79 .94 1.00
63�F(17�C)
850 400 26.8 7.9 1.11 .77 .91 1.00 25.6 7.5 1.30 .78 .93 1.00 24.4 7.2 1.51 .80 .95 1.00 23.0 6.7 1.76 .82 .98 1.00(17�C)
910 430 27.4 8.0 1.11 .78 .93 1.00 26.0 7.6 1.30 .80 .95 1.00 24.8 7.3 1.51 .82 .97 1.00 23.4 6.9 1.76 .84 1.00 1.00
67�F745 350 27.8 8.1 1.12 .59 .72 .83 26.6 7.8 1.30 .60 .73 .85 25.4 7.4 1.52 .61 .74 .87 24.0 7.0 1.76 .62 .76 .90
67�F(19�C)
850 400 28.6 8.4 1.12 .61 .74 .87 27.4 8.0 1.31 .61 .76 .89 26.0 7.6 1.52 .63 .77 .91 24.6 7.2 1.77 .64 .79 .94(19�C)
910 430 29.2 8.6 1.12 .61 .75 .89 27.8 8.1 1.31 .63 .77 .91 26.4 7.7 1.52 .64 .79 .94 25.0 7.3 1.77 .65 .81 .97
71�F745 350 29.6 8.7 1.13 .46 .58 .69 28.2 8.3 1.31 .46 .58 .70 27.0 7.9 1.52 .46 .59 .71 25.4 7.4 1.77 .47 .60 .73
71�F(22�C)
850 400 30.4 8.9 1.13 .47 .59 .71 29.2 8.6 1.31 .46 .60 .72 27.8 8.1 1.53 .47 .61 .75 26.2 7.7 1.77 .48 .63 .77(22�C)
910 430 31.0 9.1 1.13 .47 .60 .73 29.6 8.7 1.32 .47 .60 .74 28.2 8.3 1.53 .48 .62 .76 26.6 7.8 1.77 .48 .64 .79
SECOND STAGE COOLING CAPACITY − XC21−036 with [CH33−36A−2F + G60UHV−36A−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1035 490 35.2 10.3 2.06 .74 .87 .99 33.6 9.8 2.32 .76 .89 1.00 31.8 9.3 2.61 .77 .91 1.00 29.8 8.7 2.93 .79 .94 1.00
63�F(17�C)
1230 580 36.6 10.7 2.07 .78 .92 1.00 34.8 10.2 2.33 .79 .94 1.00 33.0 9.7 2.62 .81 .97 1.00 31.0 9.1 2.93 .84 1.00 1.00(17�C)
1375 650 37.4 11.0 2.08 .80 .95 1.00 35.6 10.4 2.34 .82 .97 1.00 33.8 9.9 2.62 .84 1.00 1.00 31.6 9.3 2.94 .87 1.00 1.00
67�F1035 490 37.4 11.0 2.08 .60 .72 .84 35.6 10.4 2.34 .61 .73 .85 33.8 9.9 2.62 .61 .75 .88 31.8 9.3 2.95 .63 .77 .91
67�F(19�C)
1230 580 39.0 11.4 2.09 .62 .75 .88 37.0 10.8 2.34 .63 .77 .91 35.0 10.3 2.63 .64 .79 .93 32.8 9.6 2.95 .65 .81 .97(19�C)
1375 650 39.5 11.6 2.10 .63 .78 .92 37.8 11.1 2.35 .65 .80 .94 35.6 10.4 2.64 .66 .82 .97 33.4 9.8 2.96 .68 .85 1.00
71�F1035 490 39.5 11.6 2.10 .47 .58 .69 37.8 11.1 2.35 .47 .59 .71 35.8 10.5 2.64 .47 .60 .72 33.6 9.8 2.96 .48 .61 .74
71�F(22�C)
1230 580 41.0 12.0 2.11 .47 .60 .73 39.0 11.4 2.36 .48 .61 .74 37.0 10.8 2.65 .48 .63 .76 34.8 10.2 2.97 .49 .64 .79(22�C)
1375 650 42.0 12.3 2.11 .48 .62 .75 40.0 11.7 2.37 .49 .63 .77 37.6 11.0 2.65 .49 .65 .79 35.4 10.4 2.98 .50 .66 .82
FIRST STAGE COOLING CAPACITY − XC21−036 with [CH33−36A−2F + G61MPV−36A−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F710 335 25.8 7.6 1.11 .73 .86 .98 24.6 7.2 1.29 .75 .88 1.00 23.4 6.9 1.51 .76 .90 1.00 22.0 6.4 1.76 .78 .93 1.00
63�F(17�C)
815 385 26.6 7.8 1.11 .76 .89 1.00 25.4 7.4 1.30 .77 .92 1.00 24.2 7.1 1.51 .79 .94 1.00 22.8 6.7 1.76 .81 .97 1.00(17�C)
875 415 27.0 7.9 1.11 .77 .92 1.00 25.8 7.6 1.30 .79 .94 1.00 24.6 7.2 1.51 .81 .96 1.00 23.2 6.8 1.76 .83 .99 1.00
67�F710 335 27.4 8.0 1.12 .59 .71 .82 26.4 7.7 1.30 .59 .72 .84 25.0 7.3 1.52 .60 .73 .86 23.6 6.9 1.76 .61 .75 .89
67�F(19�C)
815 385 28.4 8.3 1.12 .60 .73 .86 27.2 8.0 1.31 .61 .74 .88 25.8 7.6 1.52 .62 .76 .90 24.4 7.2 1.76 .63 .79 .93(19�C)
875 415 28.8 8.4 1.12 .61 .75 .88 27.6 8.1 1.31 .62 .76 .90 26.2 7.7 1.52 .63 .78 .92 24.8 7.3 1.77 .65 .80 .95
71�F710 335 29.2 8.6 1.12 .46 .57 .68 28.0 8.2 1.31 .46 .58 .69 26.6 7.8 1.52 .46 .59 .71 25.2 7.4 1.77 .47 .60 .72
71�F(22�C)
815 385 30.2 8.9 1.13 .46 .59 .71 28.8 8.4 1.31 .46 .59 .72 27.6 8.1 1.53 .47 .61 .74 26.0 7.6 1.77 .48 .62 .76(22�C)
875 415 30.6 9.0 1.13 .47 .60 .72 29.4 8.6 1.32 .47 .60 .74 28.0 8.2 1.53 .48 .62 .75 26.4 7.7 1.77 .48 .63 .78
SECOND STAGE COOLING CAPACITY − XC21−036 with [CH33−36A−2F + G61MPV−36A−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F995 470 35.0 10.3 2.06 .74 .86 .98 33.2 9.7 2.32 .75 .88 1.00 31.6 9.3 2.60 .77 .90 1.00 29.6 8.7 2.93 .79 .93 1.00
63�F(17�C)
1190 560 36.4 10.7 2.07 .77 .91 1.00 34.6 10.1 2.33 .78 .93 1.00 32.8 9.6 2.61 .81 .96 1.00 30.6 9.0 2.94 .83 .99 1.00(17�C)
1335 630 37.2 10.9 2.08 .79 .94 1.00 35.4 10.4 2.33 .81 .97 1.00 33.4 9.8 2.62 .84 .99 1.00 31.4 9.2 2.94 .86 1.00 1.00
67�F995 470 37.2 10.9 2.08 .59 .71 .83 35.4 10.4 2.33 .60 .72 .84 33.6 9.8 2.62 .61 .74 .87 31.6 9.3 2.94 .62 .76 .90
67�F(19�C)
1190 560 38.5 11.3 2.09 .61 .75 .87 36.8 10.8 2.34 .62 .76 .90 34.8 10.2 2.63 .63 .78 .92 32.6 9.6 2.95 .65 .80 .96(19�C)
1335 630 39.5 11.6 2.10 .63 .77 .91 37.6 11.0 2.35 .64 .79 .93 35.6 10.4 2.64 .66 .81 .96 33.2 9.7 2.96 .67 .84 .99
71�F995 470 39.0 11.4 2.09 .46 .58 .69 37.4 11.0 2.35 .47 .59 .70 35.4 10.4 2.63 .47 .59 .72 33.4 9.8 2.96 .48 .61 .74
71�F(22�C)
1190 560 40.5 11.9 2.11 .47 .60 .72 39.0 11.4 2.36 .48 .61 .74 36.8 10.8 2.65 .48 .62 .76 34.6 10.1 2.97 .49 .64 .78(22�C)
1335 630 41.5 12.2 2.11 .48 .62 .75 39.5 11.6 2.36 .49 .63 .76 37.6 11.0 2.65 .49 .64 .79 35.2 10.3 2.98 .50 .66 .81
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 3 TON
HORIZONTAL INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 70
FIRST STAGE COOLING CAPACITY − XC21−036 with [CH33−36B−2F + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F740 350 26.0 7.6 1.11 .74 .87 .99 24.8 7.3 1.30 .75 .89 1.00 23.6 6.9 1.51 .77 .91 1.00 22.2 6.5 1.76 .79 .94 1.00
63�F(17�C)
840 395 26.8 7.9 1.11 .76 .90 1.00 25.6 7.5 1.30 .78 .92 1.00 24.4 7.2 1.51 .80 .95 1.00 23.0 6.7 1.76 .82 .98 1.00(17�C)
920 435 27.4 8.0 1.11 .78 .93 1.00 26.2 7.7 1.30 .80 .95 1.00 24.8 7.3 1.51 .82 .97 1.00 23.4 6.9 1.76 .84 1.00 1.00
67�F740 350 27.8 8.1 1.12 .59 .71 .83 26.6 7.8 1.30 .60 .72 .85 25.2 7.4 1.52 .61 .74 .87 23.8 7.0 1.76 .62 .76 .90
67�F(19�C)
840 395 28.6 8.4 1.12 .60 .73 .86 27.4 8.0 1.31 .61 .75 .88 26.0 7.6 1.52 .62 .77 .91 24.6 7.2 1.77 .64 .79 .94(19�C)
920 435 29.2 8.6 1.12 .61 .75 .89 27.8 8.1 1.31 .62 .77 .91 26.4 7.7 1.52 .64 .79 .94 25.0 7.3 1.77 .65 .81 .97
71�F740 350 29.4 8.6 1.12 .46 .57 .69 28.2 8.3 1.31 .46 .58 .70 26.8 7.9 1.52 .46 .59 .71 25.4 7.4 1.77 .47 .60 .73
71�F(22�C)
840 395 30.4 8.9 1.13 .46 .59 .71 29.0 8.5 1.31 .46 .59 .72 27.6 8.1 1.53 .47 .61 .74 26.2 7.7 1.77 .47 .62 .76(22�C)
920 435 31.0 9.1 1.13 .46 .60 .73 29.6 8.7 1.32 .47 .61 .74 28.2 8.3 1.53 .47 .63 .76 26.6 7.8 1.77 .48 .64 .78
SECOND STAGE COOLING CAPACITY − XC21−036 with [CH33−36B−2F + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1035 490 35.2 10.3 2.06 .74 .87 .99 33.6 9.8 2.32 .75 .89 1.00 31.8 9.3 2.61 .77 .91 1.00 29.8 8.7 2.93 .79 .94 1.00
63�F(17�C)
1225 580 36.4 10.7 2.07 .77 .91 1.00 34.6 10.1 2.33 .79 .94 1.00 32.8 9.6 2.62 .81 .96 1.00 30.8 9.0 2.93 .83 .99 1.00(17�C)
1385 655 37.4 11.0 2.08 .80 .95 1.00 35.6 10.4 2.33 .82 .97 1.00 33.6 9.8 2.62 .84 1.00 1.00 31.6 9.3 2.94 .87 1.00 1.00
67�F1035 490 37.4 11.0 2.08 .59 .72 .83 35.6 10.4 2.34 .60 .73 .85 33.8 9.9 2.62 .61 .75 .88 31.8 9.3 2.95 .62 .77 .91
67�F(19�C)
1225 580 38.5 11.3 2.09 .61 .75 .88 36.8 10.8 2.34 .62 .76 .90 34.8 10.2 2.63 .64 .78 .93 32.8 9.6 2.95 .65 .81 .96(19�C)
1385 655 39.5 11.6 2.10 .63 .77 .92 37.6 11.0 2.35 .64 .79 .94 35.6 10.4 2.63 .65 .82 .97 33.4 9.8 2.96 .67 .84 1.00
71�F1035 490 39.5 11.6 2.10 .46 .58 .69 37.6 11.0 2.35 .47 .59 .71 35.6 10.4 2.64 .47 .60 .72 33.6 9.8 2.96 .47 .61 .74
71�F(22�C)
1225 580 41.0 12.0 2.11 .47 .60 .72 39.0 11.4 2.36 .48 .61 .74 36.8 10.8 2.65 .48 .62 .76 34.6 10.1 2.97 .49 .64 .78(22�C)
1385 655 42.0 12.3 2.11 .48 .62 .75 40.0 11.7 2.37 .48 .63 .77 37.6 11.0 2.65 .49 .64 .79 35.4 10.4 2.98 .50 .66 .82
FIRST STAGE COOLING CAPACITY − XC21−036 with [CH33−36B−2F + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F695 330 25.8 7.6 1.11 .74 .87 .98 24.6 7.2 1.29 .75 .88 1.00 23.4 6.9 1.51 .77 .90 1.00 22.2 6.5 1.76 .79 .93 1.00
63�F(17�C)
815 385 26.8 7.9 1.11 .77 .91 1.00 25.6 7.5 1.30 .78 .93 1.00 24.4 7.2 1.51 .80 .96 1.00 23.0 6.7 1.76 .82 .98 1.00(17�C)
935 440 27.6 8.1 1.11 .80 .95 1.00 26.6 7.8 1.30 .82 .97 1.00 25.2 7.4 1.52 .84 .99 1.00 24.0 7.0 1.76 .86 1.00 1.00
67�F695 330 27.2 8.0 1.11 .60 .71 .83 26.0 7.6 1.30 .60 .73 .85 24.8 7.3 1.51 .61 .74 .87 23.4 6.9 1.76 .62 .76 .89
67�F(19�C)
815 385 28.4 8.3 1.12 .61 .74 .87 27.2 8.0 1.30 .62 .76 .89 25.8 7.6 1.52 .63 .78 .92 24.4 7.2 1.76 .64 .80 .95(19�C)
935 440 29.2 8.6 1.12 .63 .77 .91 28.0 8.2 1.31 .64 .79 .94 26.6 7.8 1.52 .65 .81 .96 25.0 7.3 1.77 .67 .84 .99
71�F695 330 28.4 8.3 1.12 .46 .58 .69 27.2 8.0 1.31 .46 .59 .70 26.0 7.6 1.52 .47 .59 .72 24.6 7.2 1.77 .47 .61 .73
71�F(22�C)
815 385 29.6 8.7 1.12 .47 .60 .72 28.4 8.3 1.31 .47 .61 .73 27.2 8.0 1.52 .48 .62 .75 25.6 7.5 1.77 .48 .63 .77(22�C)
935 440 30.8 9.0 1.13 .48 .62 .75 29.4 8.6 1.32 .48 .63 .77 28.0 8.2 1.53 .49 .64 .78 26.6 7.8 1.77 .49 .65 .81
SECOND STAGE COOLING CAPACITY − XC21−036 with [CH33−36B−2F + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F950 450 34.8 10.2 2.07 .74 .86 .98 33.2 9.7 2.32 .75 .88 1.00 31.4 9.2 2.60 .77 .90 1.00 29.6 8.7 2.93 .79 .93 1.00
63�F(17�C)
1190 560 36.6 10.7 2.07 .78 .92 1.00 34.8 10.2 2.33 .80 .95 1.00 33.0 9.7 2.62 .82 .97 1.00 31.0 9.1 2.94 .84 1.00 1.00(17�C)
1395 660 37.8 11.1 2.08 .82 .97 1.00 36.2 10.6 2.34 .84 .99 1.00 34.2 10.0 2.63 .86 1.00 1.00 32.4 9.5 2.95 .89 1.00 1.00
67�F950 450 36.6 10.7 2.08 .60 .71 .83 35.0 10.3 2.33 .60 .73 .85 33.0 9.7 2.61 .61 .74 .87 31.2 9.1 2.94 .63 .76 .90
67�F(19�C)
1190 560 38.5 11.3 2.09 .62 .76 .89 36.8 10.8 2.34 .63 .77 .91 34.8 10.2 2.63 .65 .79 .94 32.6 9.6 2.95 .66 .82 .97(19�C)
1395 660 40.0 11.7 2.10 .65 .79 .94 38.0 11.1 2.35 .66 .81 .96 35.8 10.5 2.64 .67 .84 .99 33.6 9.8 2.96 .69 .87 1.00
71�F950 450 38.0 11.1 2.09 .46 .58 .69 36.4 10.7 2.34 .47 .59 .70 34.6 10.1 2.63 .47 .60 .72 32.6 9.6 2.95 .48 .61 .74
71�F(22�C)
1190 560 40.5 11.9 2.10 .48 .61 .74 38.5 11.3 2.36 .49 .62 .75 36.4 10.7 2.64 .49 .63 .77 34.4 10.1 2.97 .50 .65 .79(22�C)
1395 660 42.0 12.3 2.12 .49 .64 .77 40.0 11.7 2.37 .50 .65 .79 37.6 11.0 2.66 .50 .66 .81 35.4 10.4 2.98 .51 .68 .84
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 3 TON
HORIZONTAL INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 71
FIRST STAGE COOLING CAPACITY − XC21−036 with [CH33−36B−2F + G61MPV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F695 330 25.6 7.5 1.10 .73 .85 .97 24.4 7.2 1.29 .74 .87 .99 23.2 6.8 1.51 .75 .89 1.00 22.0 6.4 1.76 .78 .92 1.00
63�F(17�C)
815 385 26.6 7.8 1.11 .76 .89 1.00 25.4 7.4 1.30 .77 .92 1.00 24.2 7.1 1.51 .79 .94 1.00 22.8 6.7 1.76 .81 .97 1.00(17�C)
935 440 27.4 8.0 1.12 .79 .93 1.00 26.2 7.7 1.30 .80 .96 1.00 25.0 7.3 1.52 .82 .98 1.00 23.4 6.9 1.77 .85 1.00 1.00
67�F695 330 27.4 8.0 1.11 .59 .70 .82 26.2 7.7 1.30 .59 .71 .83 24.8 7.3 1.52 .60 .73 .85 23.6 6.9 1.76 .61 .75 .88
67�F(19�C)
815 385 28.4 8.3 1.12 .60 .73 .86 27.2 8.0 1.31 .61 .74 .88 25.8 7.6 1.52 .62 .76 .90 24.4 7.2 1.76 .63 .78 .93(19�C)
935 440 29.2 8.6 1.12 .61 .76 .90 28.0 8.2 1.31 .63 .78 .92 26.6 7.8 1.52 .64 .80 .94 25.0 7.3 1.77 .66 .82 .98
71�F695 330 29.0 8.5 1.12 .46 .57 .67 27.8 8.1 1.31 .46 .58 .69 26.4 7.7 1.52 .46 .58 .70 25.0 7.3 1.77 .46 .59 .72
71�F(22�C)
815 385 30.2 8.9 1.13 .46 .58 .71 28.8 8.4 1.31 .46 .59 .72 27.4 8.0 1.53 .47 .60 .74 26.0 7.6 1.77 .47 .62 .76(22�C)
935 440 31.0 9.1 1.13 .47 .60 .73 29.8 8.7 1.32 .48 .61 .75 28.4 8.3 1.53 .48 .63 .77 26.8 7.9 1.77 .49 .64 .79
SECOND STAGE COOLING CAPACITY − XC21−036 with [CH33−36B−2F + G61MPV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F950 450 34.6 10.1 2.06 .73 .85 .96 33.0 9.7 2.31 .74 .87 .99 31.2 9.1 2.60 .76 .89 1.00 29.2 8.6 2.93 .77 .92 1.00
63�F(17�C)
1190 560 36.4 10.7 2.07 .77 .91 1.00 34.6 10.1 2.33 .78 .93 1.00 32.6 9.6 2.61 .80 .96 1.00 30.6 9.0 2.94 .83 .99 1.00(17�C)
1395 660 37.6 11.0 2.08 .80 .96 1.00 35.8 10.5 2.34 .82 .98 1.00 33.8 9.9 2.62 .85 1.00 1.00 31.8 9.3 2.94 .87 1.00 1.00
67�F950 450 36.6 10.7 2.08 .59 .70 .81 35.0 10.3 2.33 .59 .71 .83 33.2 9.7 2.62 .60 .73 .85 31.2 9.1 2.93 .61 .75 .88
67�F(19�C)
1190 560 38.5 11.3 2.09 .61 .75 .87 36.6 10.7 2.34 .62 .76 .90 34.8 10.2 2.63 .63 .78 .92 32.6 9.6 2.95 .65 .80 .96(19�C)
1395 660 40.0 11.7 2.10 .63 .78 .92 37.8 11.1 2.35 .65 .80 .95 35.8 10.5 2.64 .66 .82 .97 33.4 9.8 2.96 .68 .85 1.00
71�F950 450 38.5 11.3 2.09 .46 .57 .67 37.0 10.8 2.35 .46 .58 .69 35.0 10.3 2.63 .47 .59 .70 33.0 9.7 2.95 .47 .60 .72
71�F(22�C)
1190 560 40.5 11.9 2.11 .47 .60 .72 39.0 11.4 2.36 .48 .61 .74 36.8 10.8 2.65 .48 .62 .75 34.6 10.1 2.97 .49 .64 .78(22�C)
1395 660 42.0 12.3 2.12 .48 .62 .75 40.0 11.7 2.37 .49 .63 .77 37.8 11.1 2.66 .50 .65 .80 35.4 10.4 2.98 .50 .67 .83
FIRST STAGE COOLING CAPACITY − XC21−036 with [CH33−36C−2F + G61MPV−36C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F705 335 26.0 7.6 1.11 .75 .87 .99 25.0 7.3 1.30 .76 .89 1.00 23.8 7.0 1.51 .77 .91 1.00 22.4 6.6 1.76 .79 .94 1.00
63�F(17�C)
790 375 27.0 7.9 1.11 .77 .90 1.00 25.8 7.6 1.30 .78 .93 1.00 24.4 7.2 1.51 .80 .95 1.00 23.2 6.8 1.76 .82 .98 1.00(17�C)
915 430 28.0 8.2 1.12 .80 .95 1.00 26.8 7.9 1.30 .82 .97 1.00 25.4 7.4 1.52 .84 .99 1.00 24.2 7.1 1.77 .86 1.00 1.00
67�F705 335 27.6 8.1 1.11 .60 .72 .84 26.4 7.7 1.30 .60 .73 .86 25.2 7.4 1.51 .61 .75 .88 23.8 7.0 1.76 .62 .77 .90
67�F(19�C)
790 375 28.4 8.3 1.12 .61 .74 .87 27.2 8.0 1.31 .62 .76 .89 25.8 7.6 1.52 .63 .77 .91 24.4 7.2 1.77 .64 .79 .94(19�C)
915 430 29.6 8.7 1.13 .63 .77 .91 28.2 8.3 1.31 .64 .79 .94 26.8 7.9 1.52 .65 .81 .96 25.2 7.4 1.77 .67 .83 .99
71�F705 335 28.8 8.4 1.12 .46 .58 .69 27.6 8.1 1.31 .46 .59 .71 26.4 7.7 1.52 .47 .60 .72 25.0 7.3 1.77 .47 .61 .74
71�F(22�C)
790 375 29.8 8.7 1.13 .47 .59 .72 28.6 8.4 1.31 .47 .60 .73 27.2 8.0 1.52 .47 .61 .75 25.8 7.6 1.77 .48 .63 .77(22�C)
915 430 31.0 9.1 1.13 .48 .62 .75 29.6 8.7 1.32 .48 .63 .77 28.2 8.3 1.53 .49 .64 .78 26.6 7.8 1.77 .49 .65 .81
SECOND STAGE COOLING CAPACITY − XC21−036 with [CH33−36C−2F + G61MPV−36C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1015 480 35.8 10.5 2.07 .75 .88 1.00 34.2 10.0 2.33 .77 .90 1.00 32.2 9.4 2.61 .78 .93 1.00 30.2 8.9 2.93 .81 .96 1.00
63�F(17�C)
1185 560 37.0 10.8 2.08 .78 .93 1.00 35.2 10.3 2.33 .80 .95 1.00 33.4 9.8 2.62 .82 .98 1.00 31.4 9.2 2.94 .85 1.00 1.00(17�C)
1395 660 38.5 11.3 2.09 .82 .98 1.00 36.6 10.7 2.34 .84 1.00 1.00 34.8 10.2 2.63 .87 1.00 1.00 32.8 9.6 2.95 .90 1.00 1.00
67�F1015 480 37.6 11.0 2.08 .60 .73 .85 35.8 10.5 2.34 .61 .74 .87 34.0 10.0 2.62 .62 .76 .89 32.0 9.4 2.95 .63 .78 .92
67�F(19�C)
1185 560 39.0 11.4 2.09 .62 .76 .89 37.2 10.9 2.35 .63 .78 .92 35.2 10.3 2.63 .65 .80 .95 33.0 9.7 2.96 .66 .82 .98(19�C)
1395 660 40.5 11.9 2.10 .65 .80 .95 38.5 11.3 2.36 .66 .82 .97 36.2 10.6 2.64 .68 .84 1.00 34.0 10.0 2.96 .69 .87 1.00
71�F1015 480 39.5 11.6 2.09 .46 .59 .70 37.6 11.0 2.35 .47 .60 .72 35.6 10.4 2.63 .47 .61 .74 33.4 9.8 2.96 .48 .62 .76
71�F(22�C)
1185 560 41.0 12.0 2.11 .48 .61 .74 39.0 11.4 2.36 .48 .62 .75 36.8 10.8 2.65 .49 .63 .77 34.6 10.1 2.97 .49 .65 .80(22�C)
1395 660 42.5 12.5 2.12 .49 .64 .78 40.5 11.9 2.37 .50 .65 .80 38.0 11.1 2.66 .50 .66 .82 35.8 10.5 2.98 .51 .68 .85
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 3 TON
HORIZONTAL INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 72
FIRST STAGE COOLING CAPACITY − XC21−036 with [CH33−42B−2F + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F740 350 26.6 7.8 1.11 .74 .87 .99 25.4 7.4 1.30 .75 .89 1.00 24.2 7.1 1.51 .77 .91 1.00 22.8 6.7 1.76 .79 .94 1.00
63�F(17�C)
840 395 27.4 8.0 1.12 .76 .90 1.00 26.2 7.7 1.30 .78 .93 1.00 25.0 7.3 1.51 .80 .95 1.00 23.4 6.9 1.76 .82 .98 1.00(17�C)
920 435 28.0 8.2 1.12 .78 .93 1.00 26.8 7.9 1.30 .80 .95 1.00 25.4 7.4 1.52 .82 .98 1.00 24.0 7.0 1.76 .84 1.00 1.00
67�F740 350 28.4 8.3 1.12 .59 .71 .83 27.2 8.0 1.31 .59 .72 .85 25.8 7.6 1.52 .60 .74 .87 24.4 7.2 1.76 .62 .76 .90
67�F(19�C)
840 395 29.2 8.6 1.12 .61 .74 .87 28.0 8.2 1.31 .61 .75 .89 26.6 7.8 1.52 .62 .77 .91 25.0 7.3 1.77 .64 .79 .94(19�C)
920 435 29.8 8.7 1.13 .62 .76 .89 28.6 8.4 1.31 .63 .77 .92 27.0 7.9 1.52 .64 .79 .94 25.6 7.5 1.77 .65 .81 .97
71�F740 350 30.0 8.8 1.13 .46 .57 .69 28.8 8.4 1.31 .46 .58 .70 27.4 8.0 1.52 .46 .59 .71 26.0 7.6 1.77 .47 .60 .73
71�F(22�C)
840 395 31.0 9.1 1.13 .46 .59 .71 29.8 8.7 1.32 .47 .60 .73 28.2 8.3 1.53 .47 .61 .74 26.6 7.8 1.77 .48 .62 .76(22�C)
920 435 31.8 9.3 1.14 .47 .60 .73 30.4 8.9 1.32 .47 .61 .75 28.8 8.4 1.53 .48 .62 .77 27.2 8.0 1.77 .48 .63 .78
SECOND STAGE COOLING CAPACITY − XC21−036 with [CH33−42B−2F + G60UHV−36B−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1035 490 36.4 10.7 2.07 .74 .87 .99 34.6 10.1 2.33 .75 .89 1.00 32.6 9.6 2.61 .77 .92 1.00 30.6 9.0 2.94 .79 .94 1.00
63�F(17�C)
1225 580 37.6 11.0 2.08 .77 .92 1.00 35.8 10.5 2.34 .79 .94 1.00 34.0 10.0 2.62 .81 .97 1.00 31.8 9.3 2.95 .84 1.00 1.00(17�C)
1385 655 38.5 11.3 2.09 .80 .95 1.00 36.8 10.8 2.35 .82 .98 1.00 34.8 10.2 2.63 .84 1.00 1.00 32.6 9.6 2.95 .87 1.00 1.00
67�F1035 490 38.5 11.3 2.09 .59 .72 .83 36.6 10.7 2.34 .60 .73 .85 34.8 10.2 2.63 .61 .75 .88 32.6 9.6 2.95 .62 .77 .91
67�F(19�C)
1225 580 40.0 11.7 2.10 .61 .75 .88 38.0 11.1 2.35 .63 .77 .91 35.8 10.5 2.64 .64 .79 .93 33.6 9.8 2.96 .65 .81 .96(19�C)
1385 655 41.0 12.0 2.11 .63 .78 .92 39.0 11.4 2.36 .64 .80 .95 36.6 10.7 2.65 .66 .82 .97 34.4 10.1 2.96 .67 .85 1.00
71�F1035 490 40.5 11.9 2.11 .46 .58 .69 38.5 11.3 2.36 .46 .58 .71 36.8 10.8 2.65 .47 .59 .72 34.6 10.1 2.97 .48 .61 .74
71�F(22�C)
1225 580 42.0 12.3 2.12 .47 .60 .72 40.0 11.7 2.37 .48 .61 .74 38.0 11.1 2.66 .48 .62 .76 35.6 10.4 2.98 .49 .64 .79(22�C)
1385 655 43.0 12.6 2.13 .48 .62 .76 41.0 12.0 2.38 .49 .63 .77 39.0 11.4 2.67 .49 .65 .80 36.4 10.7 2.99 .50 .66 .82
FIRST STAGE COOLING CAPACITY − XC21−036 with [CH33−42B−2F + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F695 330 26.2 7.7 1.11 .73 .85 .97 25.0 7.3 1.30 .74 .87 .99 23.8 7.0 1.51 .76 .89 1.00 22.4 6.6 1.76 .78 .92 1.00
63�F(17�C)
815 385 27.2 8.0 1.12 .76 .90 1.00 26.0 7.6 1.30 .78 .92 1.00 24.8 7.3 1.51 .79 .94 1.00 23.4 6.9 1.76 .81 .97 1.00(17�C)
935 440 28.2 8.3 1.12 .79 .94 1.00 27.0 7.9 1.30 .81 .96 1.00 25.6 7.5 1.52 .82 .99 1.00 24.2 7.1 1.76 .85 1.00 1.00
67�F695 330 28.0 8.2 1.12 .58 .70 .82 26.8 7.9 1.30 .59 .71 .83 25.4 7.4 1.52 .60 .73 .85 24.0 7.0 1.77 .61 .75 .88
67�F(19�C)
815 385 29.0 8.5 1.12 .60 .73 .85 27.8 8.1 1.31 .61 .75 .88 26.4 7.7 1.52 .62 .76 .90 25.0 7.3 1.77 .63 .79 .93(19�C)
935 440 30.0 8.8 1.13 .62 .76 .90 28.6 8.4 1.31 .63 .78 .92 27.2 8.0 1.52 .64 .80 .95 25.6 7.5 1.77 .66 .82 .98
71�F695 330 29.6 8.7 1.13 .46 .57 .67 28.4 8.3 1.31 .46 .57 .69 27.0 7.9 1.52 .45 .58 .70 25.6 7.5 1.77 .46 .59 .72
71�F(22�C)
815 385 30.8 9.0 1.13 .46 .58 .70 29.6 8.7 1.32 .46 .60 .72 28.2 8.3 1.52 .47 .60 .74 26.6 7.8 1.77 .48 .62 .76(22�C)
935 440 31.8 9.3 1.14 .47 .61 .74 30.4 8.9 1.32 .48 .62 .75 29.0 8.5 1.53 .48 .63 .77 27.2 8.0 1.77 .49 .64 .80
SECOND STAGE COOLING CAPACITY − XC21−036 with [CH33−42B−2F + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F950 450 35.6 10.4 2.07 .73 .85 .97 34.0 10.0 2.32 .74 .87 .99 32.0 9.4 2.61 .75 .89 1.00 30.2 8.9 2.93 .78 .92 1.00
63�F(17�C)
1190 560 37.6 11.0 2.08 .77 .91 1.00 35.6 10.4 2.34 .79 .93 1.00 33.8 9.9 2.62 .81 .96 1.00 31.6 9.3 2.94 .83 .99 1.00(17�C)
1395 660 39.0 11.4 2.09 .81 .96 1.00 37.0 10.8 2.35 .83 .98 1.00 34.8 10.2 2.63 .85 1.00 1.00 32.8 9.6 2.95 .88 1.00 1.00
67�F950 450 37.8 11.1 2.08 .58 .70 .81 36.0 10.6 2.34 .59 .71 .83 34.2 10.0 2.63 .60 .73 .85 32.0 9.4 2.95 .61 .75 .88
67�F(19�C)
1190 560 39.5 11.6 2.10 .61 .74 .88 37.8 11.1 2.35 .62 .76 .90 35.8 10.5 2.64 .64 .78 .93 33.6 9.8 2.96 .65 .81 .96(19�C)
1395 660 41.0 12.0 2.11 .64 .79 .93 39.0 11.4 2.36 .65 .80 .95 36.8 10.8 2.65 .66 .83 .98 34.4 10.1 2.97 .68 .86 1.00
71�F950 450 40.0 11.7 2.10 .45 .57 .68 38.0 11.1 2.35 .46 .58 .69 36.0 10.6 2.64 .46 .58 .71 34.0 10.0 2.97 .47 .60 .72
71�F(22�C)
1190 560 42.0 12.3 2.12 .47 .60 .72 40.0 11.7 2.37 .48 .61 .74 37.8 11.1 2.66 .48 .62 .76 35.6 10.4 2.98 .49 .64 .78(22�C)
1395 660 43.5 12.7 2.13 .49 .63 .76 41.0 12.0 2.38 .49 .64 .78 39.0 11.4 2.66 .50 .65 .80 36.4 10.7 2.99 .51 .67 .83
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 3 TON
HORIZONTAL INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 73
FIRST STAGE COOLING CAPACITY − XC21−036 with [CH33−44/48B−2F + G60UHV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F740 350 26.8 7.9 1.11 .74 .87 .99 25.8 7.6 1.30 .76 .89 1.00 24.4 7.2 1.51 .77 .92 1.00 23.0 6.7 1.76 .80 .95 1.00
63�F(17�C)
840 395 27.8 8.1 1.12 .77 .91 1.00 26.6 7.8 1.31 .78 .93 1.00 25.2 7.4 1.52 .80 .96 1.00 23.8 7.0 1.76 .82 .98 1.00(17�C)
920 435 28.4 8.3 1.12 .79 .94 1.00 27.2 8.0 1.30 .80 .96 1.00 25.8 7.6 1.52 .82 .98 1.00 24.4 7.2 1.76 .85 1.00 1.00
67�F740 350 28.6 8.4 1.12 .59 .71 .83 27.4 8.0 1.30 .60 .73 .86 26.2 7.7 1.52 .61 .75 .88 24.6 7.2 1.77 .62 .77 .91
67�F(19�C)
840 395 29.6 8.7 1.13 .61 .74 .87 28.4 8.3 1.31 .62 .76 .89 26.8 7.9 1.52 .63 .77 .92 25.4 7.4 1.77 .64 .80 .95(19�C)
920 435 30.2 8.9 1.13 .62 .76 .90 28.8 8.4 1.31 .63 .77 .92 27.4 8.0 1.53 .64 .80 .95 25.8 7.6 1.77 .65 .82 .98
71�F740 350 30.4 8.9 1.13 .46 .57 .69 29.2 8.6 1.32 .45 .58 .70 27.8 8.1 1.52 .46 .59 .72 26.2 7.7 1.77 .47 .61 .74
71�F(22�C)
840 395 31.4 9.2 1.14 .46 .59 .72 30.0 8.8 1.32 .47 .60 .73 28.6 8.4 1.53 .47 .61 .75 27.0 7.9 1.77 .48 .63 .77(22�C)
920 435 32.0 9.4 1.14 .47 .61 .71 30.8 9.0 1.32 .47 .62 .76 29.2 8.6 1.53 .48 .63 .77 27.6 8.1 1.77 .48 .64 .79
SECOND STAGE COOLING CAPACITY − XC21−036 with [CH33−44/48B−2F + G60UHV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1035 490 37.0 10.8 2.08 .74 .87 .99 35.2 10.3 2.33 .76 .89 1.00 33.2 9.7 2.62 .78 .92 1.00 31.2 9.1 2.94 .80 .95 1.00
63�F(17�C)
1225 580 38.5 11.3 2.09 .78 .92 1.00 36.4 10.7 2.34 .79 .94 1.00 34.4 10.1 2.63 .81 .97 1.00 32.2 9.4 2.95 .84 1.00 1.00(17�C)
1385 655 39.5 11.6 2.10 .81 .96 1.00 37.4 11.0 2.35 .82 .98 1.00 35.4 10.4 2.63 .85 1.00 1.00 33.4 9.8 2.96 .88 1.00 1.00
67�F1035 490 39.0 11.4 2.09 .59 .72 .84 37.2 10.9 2.35 .60 .73 .86 35.4 10.4 2.63 .61 .75 .88 33.2 9.7 2.95 .63 .77 .91
67�F(19�C)
1225 580 40.5 11.9 2.11 .62 .75 .89 38.5 11.3 2.36 .63 .77 .91 36.4 10.7 2.64 .64 .79 .94 34.2 10.0 2.96 .65 .82 .97(19�C)
1385 655 41.5 12.2 2.11 .64 .78 .93 39.5 11.6 2.37 .65 .80 .95 37.4 11.0 2.65 .66 .82 .98 35.0 10.3 2.97 .67 .85 1.00
71�F1035 490 41.5 12.2 2.11 .46 .58 .69 39.5 11.6 2.36 .46 .59 .71 37.2 10.9 2.65 .47 .60 .72 35.0 10.3 2.98 .47 .61 .75
71�F(22�C)
1225 580 43.0 12.6 2.12 .47 .60 .73 41.0 12.0 2.38 .47 .61 .75 38.5 11.3 2.66 .48 .63 .77 36.2 10.6 2.98 .49 .64 .79(22�C)
1385 655 44.0 12.9 2.13 .48 .62 .76 41.5 12.2 2.38 .49 .63 .78 39.5 11.6 2.67 .49 .64 .80 36.8 10.8 2.99 .50 .66 .83
FIRST STAGE COOLING CAPACITY − XC21−036 with [CH33−44/48B−2F + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F695 330 26.4 7.7 1.11 .73 .86 .98 25.4 7.4 1.30 .75 .88 1.00 24.0 7.0 1.51 .76 .90 1.00 22.8 6.7 1.76 .78 .92 1.00
63�F(17�C)
815 385 27.6 8.1 1.11 .77 .90 1.00 26.4 7.7 1.30 .78 .92 1.00 25.0 7.3 1.52 .80 .95 1.00 23.6 6.9 1.76 .82 .98 1.00(17�C)
935 440 28.6 8.4 1.12 .80 .95 1.00 27.2 8.0 1.31 .81 .97 1.00 25.8 7.6 1.52 .83 .99 1.00 24.4 7.2 1.76 .86 1.00 1.00
67�F695 330 28.2 8.3 1.12 .59 .71 .82 27.0 7.9 1.31 .59 .72 .84 25.8 7.6 1.52 .60 .73 .86 24.4 7.2 1.76 .61 .75 .88
67�F(19�C)
815 385 29.4 8.6 1.12 .61 .74 .87 28.2 8.3 1.31 .61 .75 .88 26.8 7.9 1.52 .63 .77 .91 25.2 7.4 1.77 .64 .79 .94(19�C)
935 440 30.4 8.9 1.13 .63 .77 .91 29.0 8.5 1.31 .64 .78 .93 27.6 8.1 1.52 .64 .80 .95 26.0 7.6 1.77 .66 .82 .99
71�F695 330 30.0 8.8 1.13 .46 .57 .68 28.6 8.4 1.31 .46 .57 .69 27.4 8.0 1.52 .46 .58 .71 25.8 7.6 1.77 .46 .60 .72
71�F(22�C)
815 385 31.2 9.1 1.13 .46 .59 .71 29.8 8.7 1.32 .47 .60 .73 28.4 8.3 1.53 .47 .61 .74 26.8 7.9 1.77 .48 .62 .76(22�C)
935 440 32.2 9.4 1.14 .47 .61 .74 30.8 9.0 1.32 .48 .62 .76 29.4 8.6 1.53 .48 .63 .78 27.6 8.1 1.78 .49 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−036 with [CH33−44/48B−2F + G61MPV−36B−070]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F950 450 36.2 10.6 2.07 .73 .85 .97 34.4 10.1 2.33 .74 .87 .99 32.6 9.6 2.61 .76 .89 1.00 30.6 9.0 2.93 .78 .92 1.00
63�F(17�C)
1190 560 38.0 11.1 2.09 .77 .92 1.00 36.2 10.6 2.34 .79 .94 1.00 34.4 10.1 2.63 .81 .96 1.00 32.2 9.4 2.95 .84 .99 1.00(17�C)
1395 660 39.5 11.6 2.10 .81 .96 1.00 37.6 11.0 2.35 .83 .99 1.00 35.4 10.4 2.63 .85 1.00 1.00 33.6 9.8 2.96 .89 1.00 1.00
67�F950 450 38.5 11.3 2.09 .59 .70 .82 36.6 10.7 2.34 .59 .72 .84 34.6 10.1 2.63 .60 .73 .86 32.6 9.6 2.95 .62 .75 .89
67�F(19�C)
1190 560 40.5 11.9 2.10 .62 .75 .88 38.5 11.3 2.36 .63 .77 .90 36.4 10.7 2.64 .64 .79 .93 34.0 10.0 2.96 .65 .80 .96(19�C)
1395 660 41.5 12.2 2.11 .64 .79 .93 39.5 11.6 2.37 .65 .81 .96 37.4 11.0 2.65 .66 .83 .99 35.0 10.3 2.97 .68 .86 1.00
71�F950 450 40.5 11.9 2.11 .46 .57 .68 38.5 11.3 2.36 .46 .58 .69 36.6 10.7 2.65 .46 .59 .71 34.4 10.1 2.97 .47 .60 .73
71�F(22�C)
1190 560 42.5 12.5 2.12 .47 .60 .72 40.5 11.9 2.38 .48 .61 .74 38.5 11.3 2.66 .48 .62 .76 36.0 10.6 2.99 .49 .64 .78(22�C)
1395 660 44.0 12.9 2.13 .49 .63 .77 42.0 12.3 2.39 .49 .64 .78 39.5 11.6 2.67 .50 .65 .80 37.0 10.8 2.99 .51 .67 .83
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together where applicable:[CBX32M/CB31M/CB30U] [CBX32MV/CB31MV] air handlers.
RATINGS 3 TON
AIR HANDLERS
XC21 − 2 to 5 Ton Air Conditioner / Page 74
FIRST STAGE COOLING CAPACITY − XC21−036 with [CBX32M−030][CB30M−31] [CB30U−31]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F800 380 27.0 7.9 1.11 .76 .90 1.00 25.8 7.6 1.29 .78 .92 1.00 24.6 7.2 1.50 .80 .95 1.00 23.0 6.7 1.75 .82 .98 1.00
63�F(17�C)
900 425 27.8 8.1 1.11 .79 .94 1.00 26.4 7.7 1.30 .81 .96 1.00 25.2 7.4 1.50 .82 .98 1.00 23.8 7.0 1.75 .85 1.00 1.00(17�C)
1000 470 28.4 8.3 1.12 .81 .97 1.00 27.2 8.0 1.30 .83 .99 1.00 25.8 7.6 1.51 .86 1.00 1.00 24.6 7.2 1.75 .88 1.00 1.00
67�F800 380 28.8 8.4 1.12 .60 .73 .86 27.4 8.0 1.30 .61 .75 .89 26.2 7.7 1.51 .62 .77 .91 24.6 7.2 1.75 .63 .79 .94
67�F(19�C)
900 425 29.4 8.6 1.12 .62 .76 .90 28.2 8.3 1.30 .63 .78 .92 26.8 7.9 1.51 .64 .80 .95 25.2 7.4 1.75 .65 .82 .98(19�C)
1000 470 30.2 8.9 1.13 .63 .79 .94 28.8 8.4 1.31 .64 .81 .96 27.2 8.0 1.51 .66 .83 .98 25.6 7.5 1.76 .67 .85 1.00
71�F800 380 30.4 8.9 1.13 .45 .58 .71 29.2 8.6 1.31 .46 .59 .72 27.8 8.1 1.52 .46 .60 .74 26.2 7.7 1.76 .47 .62 .76
71�F(22�C)
900 425 31.2 9.1 1.13 .46 .60 .74 29.8 8.7 1.31 .46 .61 .75 28.4 8.3 1.52 .47 .62 .77 26.8 7.9 1.76 .48 .64 .79(22�C)
1000 470 32.0 9.4 1.14 .47 .62 .76 30.6 9.0 1.32 .47 .63 .78 29.0 8.5 1.52 .48 .64 .80 27.4 8.0 1.76 .49 .66 .83
SECOND STAGE COOLING CAPACITY − XC21−036 with [CBX32M−030][CB30M−31] [CB30U−31]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1000 470 35.6 10.4 2.07 .74 .87 .99 33.8 9.9 2.32 .75 .89 1.00 32.0 9.4 2.61 .77 .92 1.00 30.0 8.8 2.93 .79 .95 1.00
63�F(17�C)
1200 565 37.0 10.8 2.08 .77 .92 1.00 35.2 10.3 2.33 .79 .95 1.00 33.2 9.7 2.62 .82 .97 1.00 31.2 9.1 2.94 .84 .99 1.00(17�C)
1400 660 38.0 11.1 2.08 .81 .97 1.00 36.4 10.7 2.34 .84 .99 1.00 34.4 10.1 2.62 .86 1.00 1.00 32.4 9.5 2.95 .89 1.00 1.00
67�F1000 470 37.8 11.1 2.08 .59 .72 .84 36.0 10.6 2.34 .60 .73 .86 34.0 10.0 2.62 .61 .75 .88 32.0 9.4 2.95 .62 .77 .91
67�F(19�C)
1200 565 39.0 11.4 2.09 .61 .75 .89 37.4 11.0 2.35 .62 .77 .91 35.2 10.3 2.63 .63 .79 .94 33.0 9.7 2.96 .65 .82 .97(19�C)
1400 660 40.5 11.9 2.10 .63 .79 .94 38.5 11.3 2.36 .64 .81 .96 36.2 10.6 2.64 .66 .83 .98 33.8 9.9 2.97 .68 .86 1.00
71�F1000 470 40.0 11.7 2.10 .45 .57 .69 38.0 11.1 2.35 .46 .58 .70 35.8 10.5 2.64 .46 .59 .72 33.8 9.9 2.96 .46 .60 .74
71�F(22�C)
1200 565 41.5 12.2 2.11 .46 .60 .73 39.5 11.6 2.36 .46 .61 .74 37.2 10.9 2.65 .47 .62 .77 34.8 10.2 2.97 .48 .64 .79(22�C)
1400 660 42.5 12.5 2.12 .47 .62 .77 40.5 11.9 2.37 .48 .63 .79 38.0 11.1 2.66 .48 .65 .81 35.8 10.5 2.98 .49 .67 .84
FIRST STAGE COOLING CAPACITY − XC21−036 with [CBX32M−036] [CBX32M−042][CB30M−41] [CB30M−46]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F800 380 27.2 8.0 1.11 .76 .91 1.00 26.0 7.6 1.29 .78 .93 1.00 24.6 7.2 1.50 .80 .95 1.00 23.2 6.8 1.75 .82 .98 1.00
63�F(17�C)
900 425 28.0 8.2 1.11 .79 .94 1.00 26.6 7.8 1.30 .81 .97 1.00 25.4 7.4 1.51 .83 .99 1.00 24.0 7.0 1.75 .85 1.00 1.00(17�C)
1000 470 28.6 8.4 1.12 .82 .98 1.00 27.4 8.0 1.30 .83 .99 1.00 26.0 7.6 1.51 .85 1.00 1.00 24.6 7.2 1.75 .88 1.00 1.00
67�F800 380 29.0 8.5 1.12 .60 .74 .87 27.6 8.1 1.30 .61 .75 .89 26.2 7.7 1.51 .62 .77 .91 24.8 7.3 1.76 .63 .79 .94
67�F(19�C)
900 425 29.6 8.7 1.12 .62 .76 .90 28.4 8.3 1.30 .63 .78 .93 27.0 7.9 1.51 .64 .80 .95 25.4 7.4 1.76 .65 .82 .98(19�C)
1000 470 30.4 8.9 1.13 .63 .79 .94 29.0 8.5 1.31 .64 .81 .96 27.4 8.0 1.51 .66 .83 .98 25.8 7.6 1.76 .67 .86 1.00
71�F800 380 30.6 9.0 1.13 .45 .58 .71 29.4 8.6 1.31 .46 .59 .73 27.8 8.1 1.52 .46 .60 .74 26.4 7.7 1.76 .47 .62 .76
71�F(22�C)
900 425 31.4 9.2 1.13 .46 .60 .74 30.0 8.8 1.31 .47 .61 .75 28.6 8.4 1.52 .47 .62 .77 27.0 7.9 1.76 .48 .64 .80(22�C)
1000 470 32.2 9.4 1.14 .47 .62 .77 30.8 9.0 1.32 .47 .63 .78 29.2 8.6 1.52 .48 .64 .80 27.4 8.0 1.76 .49 .66 .83
SECOND STAGE COOLING CAPACITY − XC21−036 with [CBX32M−036] [CBX32M−042][CB30M−41] [CB30M−46]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1000 470 35.8 10.5 2.07 .74 .87 .99 34.2 10.0 2.32 .75 .90 1.00 32.2 9.4 2.61 .77 .92 1.00 30.2 8.9 2.93 .80 .95 1.00
63�F(17�C)
1200 565 37.2 10.9 2.08 .78 .93 1.00 35.4 10.4 2.33 .80 .95 1.00 33.4 9.8 2.62 .82 .98 1.00 31.4 9.2 2.94 .84 1.00 1.00(17�C)
1400 660 38.5 11.3 2.09 .82 .97 1.00 36.6 10.7 2.34 .84 .99 1.00 34.6 10.1 2.63 .86 1.00 1.00 32.6 9.6 2.95 .89 1.00 1.00
67�F1000 470 38.0 11.1 2.08 .59 .72 .84 36.2 10.6 2.34 .60 .73 .86 34.2 10.0 2.63 .61 .75 .88 32.2 9.4 2.95 .62 .77 .92
67�F(19�C)
1200 565 39.5 11.6 2.10 .61 .75 .89 37.6 11.0 2.35 .62 .77 .92 35.4 10.4 2.63 .63 .79 .95 33.2 9.7 2.96 .65 .82 .98(19�C)
1400 660 40.5 11.9 2.10 .63 .79 .95 38.5 11.3 2.36 .65 .82 .97 36.4 10.7 2.65 .66 .84 .99 34.0 10.0 2.97 .68 .87 1.00
71�F1000 470 40.0 11.7 2.10 .45 .57 .69 38.0 11.1 2.36 .45 .58 .71 36.2 10.6 2.64 .46 .59 .72 34.0 10.0 2.97 .46 .61 .75
71�F(22�C)
1200 565 41.5 12.2 2.11 .46 .60 .73 39.5 11.6 2.37 .46 .61 .75 37.4 11.0 2.65 .47 .62 .77 35.2 10.3 2.98 .48 .64 .80(22�C)
1400 660 43.0 12.6 2.12 .47 .62 .77 40.5 11.9 2.38 .47 .63 .79 38.5 11.3 2.66 .48 .65 .81 36.0 10.6 2.98 .49 .67 .84
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together where applicable:[CBX32M/CB31M/CB30U] [CBX32MV/CB31MV] air handlers.
RATINGS 3 TON
AIR HANDLERS
XC21 − 2 to 5 Ton Air Conditioner / Page 75
FIRST STAGE COOLING CAPACITY − XC21−036 with [CBX32M−048][CB30M−51] [CB30U−51]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F800 380 27.6 8.1 1.11 .76 .91 1.00 26.4 7.7 1.30 .78 .93 1.00 25.0 7.3 1.51 .80 .95 1.00 23.6 6.9 1.75 .82 .98 1.00
63�F(17�C)
900 425 28.4 8.3 1.12 .79 .95 1.00 27.2 8.0 1.30 .81 .97 1.00 25.8 7.6 1.51 .83 .99 1.00 24.4 7.2 1.75 .85 1.00 1.00(17�C)
1000 470 29.2 8.6 1.12 .81 .98 1.00 27.8 8.1 1.30 .84 1.00 1.00 26.6 7.8 1.51 .86 1.00 1.00 25.4 7.4 1.76 .89 1.00 1.00
67�F800 380 29.4 8.6 1.12 .60 .74 .87 28.2 8.3 1.30 .61 .75 .89 26.8 7.9 1.51 .62 .77 .91 25.2 7.4 1.76 .63 .79 .94
67�F(19�C)
900 425 30.2 8.9 1.13 .62 .76 .91 29.0 8.5 1.31 .63 .78 .93 27.4 8.0 1.52 .64 .80 .96 25.8 7.6 1.76 .65 .82 .98(19�C)
1000 470 31.0 9.1 1.13 .63 .79 .94 29.6 8.7 1.31 .64 .81 .97 28.0 8.2 1.52 .65 .83 .99 26.4 7.7 1.76 .67 .86 1.00
71�F800 380 31.2 9.1 1.13 .45 .58 .71 30.0 8.8 1.31 .45 .59 .72 28.4 8.3 1.52 .46 .60 .74 26.8 7.9 1.76 .46 .62 .76
71�F(22�C)
900 425 32.2 9.4 1.14 .46 .60 .74 30.8 9.0 1.32 .46 .61 .75 29.2 8.6 1.52 .47 .62 .77 27.6 8.1 1.76 .47 .64 .80(22�C)
1000 470 32.8 9.6 1.14 .47 .62 .77 31.4 9.2 1.32 .47 .63 .78 29.8 8.7 1.53 .47 .64 .80 28.0 8.2 1.77 .48 .66 .83
SECOND STAGE COOLING CAPACITY − XC21−036 with [CBX32M−048][CB30M−51] [CB30U−51]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1000 470 36.8 10.8 2.08 .74 .87 .99 35.2 10.3 2.33 .75 .89 1.00 33.2 9.7 2.61 .77 .92 1.00 31.0 9.1 2.94 .79 .95 1.00
63�F(17�C)
1200 565 38.5 11.3 2.09 .78 .93 1.00 36.4 10.7 2.34 .80 .95 1.00 34.4 10.1 2.63 .82 .98 1.00 32.4 9.5 2.94 .84 1.00 1.00(17�C)
1400 660 39.5 11.6 2.10 .82 .98 1.00 37.8 11.1 2.35 .84 1.00 1.00 35.8 10.5 2.64 .86 1.00 1.00 33.8 9.9 2.96 .89 1.00 1.00
67�F1000 470 39.0 11.4 2.09 .59 .71 .84 37.2 10.9 2.35 .60 .73 .86 35.2 10.3 2.63 .61 .75 .89 33.0 9.7 2.96 .62 .77 .92
67�F(19�C)
1200 565 40.5 11.9 2.11 .61 .75 .90 38.5 11.3 2.36 .62 .77 .92 36.6 10.7 2.65 .63 .79 .95 34.2 10.0 2.97 .65 .82 .98(19�C)
1400 660 42.0 12.3 2.12 .63 .79 .95 40.0 11.7 2.37 .65 .81 .97 37.4 11.0 2.65 .66 .84 1.00 35.0 10.3 2.98 .68 .87 1.00
71�F1000 470 41.0 12.0 2.11 .45 .57 .69 39.5 11.6 2.36 .45 .58 .70 37.2 10.9 2.65 .45 .59 .72 35.0 10.3 2.97 .46 .60 .74
71�F(22�C)
1200 565 43.0 12.6 2.12 .46 .60 .73 41.0 12.0 2.38 .46 .61 .75 38.5 11.3 2.66 .47 .62 .77 36.2 10.6 2.99 .47 .64 .80(22�C)
1400 660 44.0 12.9 2.13 .47 .62 .77 42.0 12.3 2.39 .47 .63 .79 39.5 11.6 2.67 .48 .65 .82 37.2 10.9 3.00 .49 .67 .85
FIRST STAGE COOLING CAPACITY − XC21−036 with [CBX32MV−024/030]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F800 380 27.0 7.9 1.11 .76 .90 1.00 25.8 7.6 1.29 .78 .92 1.00 24.6 7.2 1.50 .80 .95 1.00 23.0 6.7 1.75 .82 .98 1.00
63�F(17�C)
900 425 27.8 8.1 1.11 .79 .94 1.00 26.4 7.7 1.30 .81 .96 1.00 25.2 7.4 1.50 .82 .98 1.00 23.8 7.0 1.75 .85 1.00 1.00(17�C)
1000 470 28.4 8.3 1.12 .81 .97 1.00 27.2 8.0 1.30 .83 .99 1.00 25.8 7.6 1.51 .86 1.00 1.00 24.6 7.2 1.75 .88 1.00 1.00
67�F800 380 28.8 8.4 1.12 .60 .73 .86 27.4 8.0 1.30 .61 .75 .89 26.2 7.7 1.51 .62 .77 .91 24.6 7.2 1.75 .63 .79 .94
67�F(19�C)
900 425 29.4 8.6 1.12 .62 .76 .90 28.2 8.3 1.30 .63 .78 .92 26.8 7.9 1.51 .64 .80 .95 25.2 7.4 1.75 .65 .82 .98(19�C)
1000 470 30.2 8.9 1.13 .63 .79 .94 28.8 8.4 1.31 .64 .81 .96 27.2 8.0 1.51 .66 .83 .98 25.6 7.5 1.76 .67 .85 1.00
71�F800 380 30.4 8.9 1.13 .45 .58 .71 29.2 8.6 1.31 .46 .59 .72 27.8 8.1 1.52 .46 .60 .74 26.2 7.7 1.76 .47 .62 .76
71�F(22�C)
900 425 31.2 9.1 1.13 .46 .60 .74 29.8 8.7 1.31 .46 .61 .75 28.4 8.3 1.52 .47 .62 .77 26.8 7.9 1.76 .48 .64 .79(22�C)
1000 470 32.0 9.4 1.14 .47 .62 .76 30.6 9.0 1.32 .47 .63 .78 29.0 8.5 1.52 .48 .64 .80 27.4 8.0 1.76 .49 .66 .83
SECOND STAGE COOLING CAPACITY − XC21−036 with [CBX32MV−024/030]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1100 520 36.4 10.7 2.07 .76 .90 1.00 34.6 10.1 2.33 .77 .92 1.00 32.6 9.6 2.61 .79 .95 1.00 30.6 9.0 2.94 .82 .98 1.00
63�F(17�C)
1200 565 37.0 10.8 2.08 .77 .92 1.00 35.2 10.3 2.33 .79 .95 1.00 33.2 9.7 2.62 .82 .97 1.00 31.2 9.1 2.94 .84 .99 1.00(17�C)
1320 625 37.6 11.0 2.08 .80 .95 1.00 35.8 10.5 2.34 .82 .97 1.00 34.0 10.0 2.62 .84 .99 1.00 31.8 9.3 2.94 .87 1.00 1.00
67�F1100 520 38.5 11.3 2.09 .60 .73 .86 36.6 10.7 2.34 .61 .75 .89 34.8 10.2 2.63 .62 .77 .91 32.6 9.6 2.95 .63 .79 .94
67�F(19�C)
1200 565 39.0 11.4 2.09 .61 .75 .89 37.4 11.0 2.35 .62 .77 .91 35.2 10.3 2.63 .63 .79 .94 33.0 9.7 2.96 .65 .82 .97(19�C)
1320 625 40.0 11.7 2.10 .62 .77 .92 38.0 11.1 2.36 .63 .79 .95 35.8 10.5 2.64 .65 .82 .97 33.6 9.8 2.96 .67 .84 .99
71�F1100 520 40.5 11.9 2.10 .45 .58 .71 38.5 11.3 2.36 .46 .59 .73 36.6 10.7 2.65 .46 .61 .74 34.4 10.1 2.97 .47 .62 .77
71�F(22�C)
1200 565 41.5 12.2 2.11 .46 .60 .73 39.5 11.6 2.36 .46 .61 .74 37.2 10.9 2.65 .47 .62 .77 34.8 10.2 2.97 .48 .64 .79(22�C)
1320 625 42.0 12.3 2.12 .47 .61 .75 40.0 11.7 2.37 .47 .62 .77 37.8 11.1 2.65 .48 .64 .79 35.6 10.4 2.98 .48 .65 .82
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together where applicable:[CBX32M/CB31M/CB30U] [CBX32MV/CB31MV] air handlers.
RATINGS 3 TON
AIR HANDLERS
XC21 − 2 to 5 Ton Air Conditioner / Page 76
FIRST STAGE COOLING CAPACITY − XC21−036 with [CBX32MV−036][CB31MV−41]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F795 375 27.0 7.9 1.11 .76 .90 1.00 25.8 7.6 1.29 .78 .93 1.00 24.6 7.2 1.50 .79 .95 1.00 23.2 6.8 1.75 .82 .98 1.00
63�F(17�C)
855 405 27.6 8.1 1.11 .78 .93 1.00 26.4 7.7 1.29 .79 .95 1.00 25.0 7.3 1.50 .81 .97 1.00 23.6 6.9 1.75 .84 1.00 1.00(17�C)
900 425 28.0 8.2 1.11 .79 .94 1.00 26.6 7.8 1.30 .81 .97 1.00 25.4 7.4 1.51 .83 .99 1.00 24.0 7.0 1.75 .85 1.00 1.00
67�F795 375 28.8 8.4 1.12 .60 .74 .87 27.6 8.1 1.30 .61 .75 .89 26.2 7.7 1.51 .62 .77 .91 24.8 7.3 1.75 .63 .79 .94
67�F(19�C)
855 405 29.4 8.6 1.12 .61 .75 .89 28.0 8.2 1.30 .62 .77 .91 26.6 7.8 1.51 .63 .79 .94 25.2 7.4 1.76 .64 .81 .97(19�C)
900 425 29.6 8.7 1.12 .62 .76 .90 28.4 8.3 1.30 .63 .78 .93 27.0 7.9 1.51 .64 .80 .95 25.4 7.4 1.76 .65 .82 .98
71�F795 375 30.6 9.0 1.13 .45 .58 .71 29.2 8.6 1.31 .46 .59 .72 27.8 8.1 1.52 .46 .60 .74 26.2 7.7 1.76 .47 .62 .76
71�F(22�C)
855 405 31.2 9.1 1.13 .46 .59 .73 29.8 8.7 1.31 .46 .60 .74 28.4 8.3 1.52 .47 .62 .76 26.8 7.9 1.76 .47 .63 .78(22�C)
900 425 31.4 9.2 1.13 .46 .60 .74 30.0 8.8 1.31 .47 .61 .75 28.6 8.4 1.52 .47 .62 .77 27.0 7.9 1.76 .48 .64 .80
SECOND STAGE COOLING CAPACITY − XC21−036 with [CBX32MV−036][CB31MV−41]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1135 535 36.8 10.8 2.07 .77 .91 1.00 35.0 10.3 2.33 .78 .94 1.00 33.2 9.7 2.62 .80 .96 1.00 31.0 9.1 2.94 .83 .99 1.00
63�F(17�C)
1225 580 37.4 11.0 2.08 .78 .94 1.00 35.6 10.4 2.33 .80 .96 1.00 33.6 9.8 2.62 .82 .98 1.00 31.6 9.3 2.94 .85 1.00 1.00(17�C)
1275 600 37.6 11.0 2.08 .79 .95 1.00 35.8 10.5 2.34 .81 .97 1.00 33.8 9.9 2.62 .83 .99 1.00 31.8 9.3 2.94 .86 1.00 1.00
67�F1135 535 39.0 11.4 2.09 .60 .74 .88 37.2 10.9 2.35 .61 .76 .90 35.2 10.3 2.63 .63 .78 .93 32.8 9.6 2.95 .64 .80 .96
67�F(19�C)
1225 580 39.5 11.6 2.10 .61 .76 .90 37.8 11.1 2.35 .62 .78 .93 35.6 10.4 2.64 .64 .80 .95 33.4 9.8 2.96 .65 .83 .98(19�C)
1275 600 40.0 11.7 2.10 .62 .77 .91 38.0 11.1 2.35 .63 .79 .94 35.8 10.5 2.64 .64 .81 .97 33.6 9.8 2.96 .66 .84 .99
71�F1135 535 41.0 12.0 2.11 .45 .59 .72 39.0 11.4 2.36 .46 .60 .73 37.0 10.8 2.65 .47 .61 .76 34.8 10.2 2.97 .47 .63 .78
71�F(22�C)
1225 580 42.0 12.3 2.11 .46 .60 .74 40.0 11.7 2.37 .46 .61 .75 37.6 11.0 2.65 .47 .62 .78 35.4 10.4 2.98 .48 .64 .80(22�C)
1275 600 42.0 12.3 2.12 .46 .61 .74 40.0 11.7 2.37 .47 .62 .76 37.8 11.1 2.65 .47 .63 .79 35.6 10.4 2.98 .48 .65 .81
FIRST STAGE COOLING CAPACITY − XC21−036 with [CBX32MV−048][CB31MV−51]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F835 395 28.0 8.2 1.11 .77 .92 1.00 26.8 7.9 1.30 .79 .94 1.00 25.4 7.4 1.51 .81 .97 1.00 24.0 7.0 1.75 .83 .99 1.00
63�F(17�C)
840 395 28.0 8.2 1.11 .77 .93 1.00 26.8 7.9 1.30 .79 .94 1.00 25.4 7.4 1.51 .81 .97 1.00 24.0 7.0 1.75 .83 .99 1.00(17�C)
960 455 28.8 8.4 1.12 .81 .97 1.00 27.6 8.1 1.30 .82 .98 1.00 26.4 7.7 1.51 .85 1.00 1.00 25.0 7.3 1.75 .87 1.00 1.00
67�F835 395 29.8 8.7 1.12 .60 .74 .88 28.4 8.3 1.31 .62 .76 .90 27.0 7.9 1.51 .63 .78 .93 25.4 7.4 1.76 .64 .80 .96
67�F(19�C)
840 395 29.8 8.7 1.12 .60 .75 .88 28.6 8.4 1.31 .62 .76 .91 27.0 7.9 1.51 .63 .78 .93 25.6 7.5 1.76 .64 .80 .96(19�C)
960 455 30.8 9.0 1.13 .63 .78 .93 29.4 8.6 1.31 .64 .80 .95 27.8 8.1 1.52 .65 .82 .98 26.2 7.7 1.76 .67 .85 1.00
71�F835 395 31.6 9.3 1.13 .45 .59 .72 30.2 8.9 1.31 .46 .60 .73 28.8 8.4 1.52 .46 .61 .75 27.2 8.0 1.76 .47 .62 .77
71�F(22�C)
840 395 31.6 9.3 1.13 .45 .59 .72 30.2 8.9 1.31 .46 .60 .74 28.8 8.4 1.52 .46 .61 .75 27.2 8.0 1.76 .47 .62 .78(22�C)
960 455 32.6 9.6 1.14 .46 .61 .76 31.2 9.1 1.32 .47 .62 .77 29.6 8.7 1.53 .47 .64 .79 27.8 8.1 1.77 .48 .65 .82
SECOND STAGE COOLING CAPACITY − XC21−036 with [CBX32MV−048][CB31MV−51]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1200 565 38.5 11.3 2.09 .78 .93 1.00 36.4 10.7 2.34 .80 .95 1.00 34.4 10.1 2.63 .82 .98 1.00 32.4 9.5 2.94 .84 1.00 1.00
63�F(17�C)
1205 570 38.5 11.3 2.09 .78 .93 1.00 36.6 10.7 2.34 .80 .96 1.00 34.6 10.1 2.63 .82 .98 1.00 32.4 9.5 2.94 .85 1.00 1.00(17�C)
1380 650 39.5 11.6 2.10 .81 .97 1.00 37.6 11.0 2.35 .83 .99 1.00 35.6 10.4 2.64 .86 1.00 1.00 33.6 9.8 2.96 .89 1.00 1.00
67�F1200 565 40.5 11.9 2.11 .61 .75 .90 38.5 11.3 2.36 .62 .77 .92 36.6 10.7 2.65 .63 .79 .95 34.2 10.0 2.97 .65 .82 .98
67�F(19�C)
1205 570 41.0 12.0 2.11 .61 .76 .90 38.5 11.3 2.36 .62 .77 .92 36.6 10.7 2.65 .63 .79 .95 34.2 10.0 2.97 .65 .82 .98(19�C)
1380 650 42.0 12.3 2.11 .63 .79 .94 39.5 11.6 2.37 .64 .81 .97 37.4 11.0 2.65 .66 .84 .99 35.0 10.3 2.97 .68 .87 1.00
71�F1200 565 43.0 12.6 2.12 .46 .60 .73 41.0 12.0 2.38 .46 .61 .75 38.5 11.3 2.66 .47 .62 .77 36.2 10.6 2.99 .47 .64 .80
71�F(22�C)
1205 570 43.0 12.6 2.12 .46 .60 .73 41.0 12.0 2.38 .46 .61 .75 38.5 11.3 2.66 .47 .62 .77 36.2 10.6 2.99 .47 .64 .80(22�C)
1380 650 44.0 12.9 2.13 .47 .62 .77 42.0 12.3 2.39 .47 .63 .79 39.5 11.6 2.67 .48 .65 .81 37.0 10.8 2.99 .48 .67 .84
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together where applicable:[CBX32M/CB31M/CB30U] [CBX32MV/CB31MV] air handlers.
RATINGS 3 TON
AIR HANDLERS
XC21 − 2 to 5 Ton Air Conditioner / Page 77
FIRST STAGE COOLING CAPACITY − XC21−036 with [CB30U−41/46]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F800 380 27.4 8.0 1.12 .78 .92 1.00 26.2 7.7 1.31 .79 .94 1.00 25.0 7.3 1.53 .81 .96 1.00 23.6 6.9 1.78 .84 .99 1.00
63�F(17�C)
900 425 28.2 8.3 1.13 .80 .95 1.00 27.0 7.9 1.31 .82 .97 1.00 25.6 7.5 1.53 .84 .99 1.00 24.2 7.1 1.78 .86 1.00 1.00(17�C)
1000 470 29.0 8.5 1.13 .83 .98 1.00 27.6 8.1 1.32 .85 1.00 1.00 26.4 7.7 1.53 .87 1.00 1.00 25.2 7.4 1.78 .90 1.00 1.00
67�F800 380 29.2 8.6 1.13 .62 .75 .88 28.0 8.2 1.32 .63 .77 .90 26.6 7.8 1.53 .64 .78 .93 25.0 7.3 1.78 .65 .81 .96
67�F(19�C)
900 425 30.0 8.8 1.13 .63 .77 .92 28.6 8.4 1.32 .64 .79 .94 27.2 8.0 1.53 .65 .81 .96 25.6 7.5 1.78 .67 .84 .99(19�C)
1000 470 30.8 9.0 1.14 .65 .81 .95 29.4 8.6 1.33 .66 .82 .97 27.8 8.1 1.54 .68 .85 .99 26.2 7.7 1.79 .70 .88 1.00
71�F800 380 31.0 9.1 1.14 .47 .60 .72 29.6 8.7 1.33 .48 .61 .74 28.2 8.3 1.54 .48 .62 .76 26.6 7.8 1.79 .49 .64 .78
71�F(22�C)
900 425 31.8 9.3 1.14 .48 .61 .75 30.4 8.9 1.33 .48 .62 .77 29.0 8.5 1.54 .49 .64 .79 27.2 8.0 1.79 .49 .66 .81(22�C)
1000 470 32.6 9.6 1.15 .49 .64 .78 31.0 9.1 1.33 .50 .65 .80 29.6 8.7 1.54 .50 .66 .82 27.8 8.1 1.79 .51 .68 .85
SECOND STAGE COOLING CAPACITY − XC21−036 with [CB30U−41/46]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1000 470 36.2 10.6 2.07 .76 .89 1.00 34.4 10.1 2.33 .77 .91 1.00 32.4 9.5 2.61 .79 .94 1.00 30.4 8.9 2.93 .81 .97 1.00
63�F(17�C)
1200 565 37.4 11.0 2.08 .79 .94 1.00 35.6 10.4 2.34 .81 .97 1.00 33.8 9.9 2.62 .84 .99 1.00 31.8 9.3 2.94 .86 1.00 1.00(17�C)
1400 660 38.5 11.3 2.09 .84 .98 1.00 37.0 10.8 2.35 .86 1.00 1.00 35.0 10.3 2.63 .88 1.00 1.00 33.0 9.7 2.96 .91 1.00 1.00
67�F1000 470 38.5 11.3 2.09 .61 .73 .85 36.4 10.7 2.34 .61 .75 .87 34.4 10.1 2.63 .63 .76 .90 32.4 9.5 2.95 .64 .79 .93
67�F(19�C)
1200 565 39.5 11.6 2.10 .63 .77 .91 37.8 11.1 2.35 .64 .79 .93 35.8 10.5 2.64 .65 .81 .96 33.4 9.8 2.96 .67 .84 .98(19�C)
1400 660 41.0 12.0 2.11 .66 .81 .96 39.0 11.4 2.36 .67 .83 .98 36.6 10.7 2.65 .68 .86 1.00 34.2 10.0 2.97 .70 .89 1.00
71�F1000 470 40.5 11.9 2.10 .47 .59 .70 38.5 11.3 2.36 .47 .60 .72 36.4 10.7 2.64 .48 .61 .74 34.2 10.0 2.97 .48 .63 .76
71�F(22�C)
1200 565 42.0 12.3 2.11 .48 .61 .74 40.0 11.7 2.37 .48 .63 .76 37.6 11.0 2.65 .49 .64 .79 35.4 10.4 2.98 .50 .66 .81(22�C)
1400 660 43.0 12.6 2.13 .49 .64 .79 41.0 12.0 2.38 .50 .66 .81 38.5 11.3 2.66 .51 .67 .83 36.2 10.6 2.98 .52 .69 .87
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 4 TON
UP−FLOW INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 78
FIRST STAGE COOLING CAPACITY XC21−048 with [CX34−44/48B/C−6F] [C33−48B/C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1100 520 36.0 10.6 1.63 .77 .90 1.00 34.4 10.1 1.88 .78 .92 1.00 32.8 9.6 2.17 .80 .94 1.00 31.2 9.1 2.50 .82 .97 1.00
63�F(17�C)
1200 565 36.8 10.8 1.63 .79 .93 1.00 35.2 10.3 1.88 .80 .95 1.00 33.6 9.8 2.17 .82 .97 1.00 31.8 9.3 2.50 .84 .99 1.00(17�C)
1300 615 37.4 11.0 1.62 .80 .95 1.00 35.8 10.5 1.88 .82 .97 1.00 34.2 10.0 2.16 .84 .99 1.00 32.4 9.5 2.49 .86 1.00 1.00
67�F1100 520 38.5 11.3 1.62 .61 .74 .87 36.8 10.8 1.87 .62 .76 .89 35.0 10.3 2.16 .63 .77 .90 33.2 9.7 2.48 .64 .79 .93
67�F(19�C)
1200 565 39.0 11.4 1.62 .62 .76 .89 37.4 11.0 1.87 .63 .77 .91 35.6 10.4 2.15 .64 .79 .93 33.8 9.9 2.48 .65 .81 .96(19�C)
1300 615 39.5 11.6 1.62 .64 .78 .91 38.0 11.1 1.87 .64 .79 .93 36.2 10.6 2.15 .65 .81 .96 34.4 10.1 2.47 .67 .83 .98
71�F1100 520 40.5 11.9 1.62 .47 .59 .71 39.0 11.4 1.86 .48 .60 .73 37.4 11.0 2.14 .48 .62 .74 35.4 10.4 2.46 .49 .63 .76
71�F(22�C)
1200 565 41.5 12.2 1.62 .48 .61 .73 40.0 11.7 1.86 .48 .62 .75 38.0 11.1 2.14 .49 .63 .76 36.0 10.6 2.46 .49 .64 .78(22�C)
1300 615 42.0 12.3 1.62 .48 .62 .75 40.5 11.9 1.86 .49 .63 .77 38.5 11.3 2.14 .49 .64 .78 36.6 10.7 2.46 .50 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−048 with [CX34−44/48B/C−6F] [C33−48B/C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 47.5 13.9 2.84 .75 .88 .99 45.5 13.3 3.19 .76 .90 1.00 43.5 12.7 3.58 .78 .92 1.00 41.0 12.0 4.01 .80 .95 1.00
63�F(17�C)
1600 755 49.0 14.4 2.86 .77 .91 1.00 47.0 13.8 3.21 .79 .94 1.00 44.5 13.0 3.59 .81 .96 1.00 42.0 12.3 4.02 .83 .99 1.00(17�C)
1800 850 50.0 14.7 2.87 .80 .95 1.00 48.0 14.1 3.22 .82 .97 1.00 45.5 13.3 3.61 .84 .99 1.00 43.0 12.6 4.03 .86 1.00 1.00
67�F1400 660 50.5 14.8 2.88 .60 .73 .84 48.5 14.2 3.23 .61 .74 .86 46.0 13.5 3.61 .62 .75 .88 43.5 12.7 4.04 .63 .77 .91
67�F(19�C)
1600 755 52.0 15.2 2.89 .62 .75 .88 49.5 14.5 3.24 .63 .77 .90 47.5 13.9 3.63 .64 .78 .92 44.5 13.0 4.05 .65 .81 .95(19�C)
1800 850 53.0 15.5 2.91 .63 .78 .91 51.0 14.9 3.25 .64 .79 .94 48.0 14.1 3.64 .66 .82 .96 45.5 13.3 4.07 .67 .84 .99
71�F1400 660 53.5 15.7 2.91 .47 .59 .70 51.0 14.9 3.26 .47 .59 .72 48.5 14.2 3.64 .48 .60 .73 46.0 13.5 4.08 .48 .62 .75
71�F(22�C)
1600 755 55.0 16.1 2.93 .48 .60 .73 52.5 15.4 3.27 .48 .61 .74 50.0 14.7 3.66 .49 .62 .76 47.5 13.9 4.09 .49 .64 .78(22�C)
1800 850 56.0 16.4 2.94 .48 .62 .75 54.0 15.8 3.29 .49 .63 .77 51.0 14.9 3.67 .50 .64 .79 48.5 14.2 4.11 .50 .66 .81
FIRST STAGE COOLING CAPACITY − XC21−048 with [CX34−49C−6F] [C33−49C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1100 520 36.4 10.7 1.65 .77 .90 1.00 35.0 10.3 1.91 .78 .92 1.00 33.4 9.8 2.20 .80 .94 1.00 31.8 9.3 2.54 .82 .97 1.00
63�F(17�C)
1200 565 37.2 10.9 1.64 .78 .92 1.00 35.6 10.4 1.90 .80 .95 1.00 34.2 10.0 2.20 .82 .97 1.00 32.4 9.5 2.53 .84 .99 1.00(17�C)
1300 615 37.8 11.1 1.64 .80 .95 1.00 36.4 10.7 1.90 .82 .97 1.00 34.8 10.2 2.19 .83 .99 1.00 33.0 9.7 2.52 .86 1.00 1.00
67�F1100 520 38.5 11.3 1.64 .61 .74 .86 37.2 10.9 1.89 .62 .75 .88 35.6 10.4 2.18 .63 .77 .90 33.8 9.9 2.52 .64 .79 .93
67�F(19�C)
1200 565 39.5 11.6 1.64 .62 .76 .89 38.0 11.1 1.89 .63 .77 .91 36.2 10.6 2.18 .64 .79 .93 34.4 10.1 2.51 .66 .81 .96(19�C)
1300 615 40.0 11.7 1.63 .63 .78 .91 38.5 11.3 1.89 .65 .79 .93 37.0 10.8 2.18 .66 .81 .96 35.0 10.3 2.50 .67 .83 .98
71�F1100 520 41.0 12.0 1.63 .47 .60 .71 39.0 11.4 1.89 .48 .61 .73 37.6 11.0 2.17 .48 .62 .74 35.8 10.5 2.50 .49 .63 .76
71�F(22�C)
1200 565 41.5 12.2 1.63 .48 .61 .73 40.0 11.7 1.88 .48 .62 .75 38.5 11.3 2.16 .49 .63 .76 36.4 10.7 2.49 .50 .64 .78(22�C)
1300 615 42.5 12.5 1.63 .49 .62 .75 41.0 12.0 1.88 .49 .63 .76 39.0 11.4 2.16 .50 .64 .78 37.2 10.9 2.48 .50 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−048 with [CX34−49C−6F] [C33−49C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 48.5 14.2 2.87 .75 .88 .99 46.5 13.6 3.23 .76 .90 1.00 44.5 13.0 3.61 .78 .92 1.00 42.0 12.3 4.05 .80 .95 1.00
63�F(17�C)
1600 755 50.0 14.7 2.89 .77 .91 1.00 48.0 14.1 3.24 .79 .93 1.00 45.5 13.3 3.63 .81 .96 1.00 43.5 12.7 4.07 .83 .98 1.00(17�C)
1800 850 51.5 15.1 2.90 .80 .95 1.00 49.0 14.4 3.25 .82 .97 1.00 47.0 13.8 3.64 .84 .99 1.00 44.5 13.0 4.08 .86 1.00 1.00
67�F1400 660 51.5 15.1 2.89 .61 .73 .84 49.0 14.4 3.25 .61 .74 .86 47.0 13.8 3.64 .62 .75 .88 44.5 13.0 4.08 .63 .77 .91
67�F(19�C)
1600 755 53.0 15.5 2.92 .62 .75 .88 50.5 14.8 3.27 .63 .76 .90 48.5 14.2 3.66 .64 .78 .92 46.0 13.5 4.10 .65 .80 .95(19�C)
1800 850 54.5 16.0 2.93 .64 .78 .91 52.0 15.2 3.28 .65 .79 .93 49.5 14.5 3.68 .66 .81 .96 47.0 13.8 4.11 .67 .83 .99
71�F1400 660 54.0 15.8 2.93 .47 .59 .70 52.0 15.2 3.28 .47 .60 .71 49.5 14.5 3.67 .48 .61 .73 47.0 13.8 4.12 .48 .62 .75
71�F(22�C)
1600 755 56.0 16.4 2.94 .48 .61 .73 53.5 15.7 3.30 .48 .62 .74 51.0 14.9 3.69 .49 .63 .76 48.5 14.2 4.13 .49 .64 .78(22�C)
1800 850 57.0 16.7 2.96 .49 .62 .75 54.5 16.0 3.31 .49 .63 .77 52.0 15.2 3.71 .50 .64 .79 49.5 14.5 4.15 .50 .66 .81
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 4 TON
UP−FLOW INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 79
FIRST STAGE COOLING CAPACITY − XC21−048 with [CX34−50/60C−6F] [C33−50/60C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1100 520 36.4 10.7 1.63 .77 .91 1.00 34.8 10.2 1.88 .79 .93 1.00 33.2 9.7 2.17 .80 .95 1.00 31.6 9.3 2.50 .82 .98 1.00
63�F(17�C)
1200 565 37.2 10.9 1.62 .79 .93 1.00 35.6 10.4 1.88 .80 .95 1.00 34.0 10.0 2.16 .82 .98 1.00 32.2 9.4 2.49 .84 1.00 1.00(17�C)
1300 615 37.8 11.1 1.62 .81 .96 1.00 36.2 10.6 1.87 .82 .98 1.00 34.6 10.1 2.16 .84 1.00 1.00 32.8 9.6 2.49 .87 1.00 1.00
67�F1100 520 39.0 11.4 1.62 .61 .75 .87 37.2 10.9 1.87 .63 .76 .89 35.4 10.4 2.16 .63 .77 .91 33.6 9.8 2.48 .65 .80 .94
67�F(19�C)
1200 565 39.5 11.6 1.62 .63 .76 .90 37.8 11.1 1.87 .64 .78 .92 36.0 10.6 2.15 .65 .79 .94 34.2 10.0 2.48 .66 .81 .97(19�C)
1300 615 40.0 11.7 1.62 .64 .78 .92 38.5 11.3 1.87 .65 .80 .94 36.6 10.7 2.15 .65 .81 .96 34.8 10.2 2.47 .67 .84 .99
71�F1100 520 41.0 12.0 1.62 .47 .60 .71 39.5 11.6 1.86 .48 .61 .73 37.8 11.1 2.14 .48 .62 .75 35.8 10.5 2.46 .49 .63 .76
71�F(22�C)
1200 565 42.0 12.3 1.62 .48 .61 .74 40.5 11.9 1.86 .48 .62 .75 38.5 11.3 2.14 .49 .63 .77 36.4 10.7 2.46 .49 .64 .78(22�C)
1300 615 42.5 12.5 1.61 .49 .62 .76 41.0 12.0 1.86 .49 .63 .77 39.0 11.4 2.14 .49 .64 .79 37.0 10.8 2.45 .50 .66 .81
SECOND STAGE COOLING CAPACITY − XC21−048 with [CX34−50/60C−6F] [C33−50/60C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 48.0 14.1 2.85 .75 .88 1.00 46.0 13.5 3.20 .77 .91 1.00 44.0 12.9 3.59 .79 .93 1.00 41.5 12.2 4.01 .81 .96 1.00
63�F(17�C)
1600 755 49.5 14.5 2.87 .78 .92 1.00 47.5 13.9 3.21 .80 .94 1.00 45.0 13.2 3.60 .81 .97 1.00 42.5 12.5 4.03 .84 .99 1.00(17�C)
1800 850 51.0 14.9 2.88 .81 .96 1.00 48.5 14.2 3.23 .82 .98 1.00 46.0 13.5 3.61 .84 1.00 1.00 43.5 12.7 4.04 .87 1.00 1.00
67�F1400 660 51.0 14.9 2.89 .61 .73 .85 49.0 14.4 3.23 .61 .74 .87 46.5 13.6 3.62 .62 .76 .89 44.0 12.9 4.05 .64 .78 .92
67�F(19�C)
1600 755 52.5 15.4 2.90 .62 .76 .89 50.5 14.8 3.25 .63 .77 .91 48.0 14.1 3.63 .64 .79 .93 45.0 13.2 4.07 .66 .81 .96(19�C)
1800 850 54.0 15.8 2.91 .64 .78 .92 51.5 15.1 3.26 .65 .79 .95 49.0 14.4 3.65 .66 .82 .97 46.0 13.5 4.07 .67 .84 1.00
71�F1400 660 54.0 15.8 2.92 .47 .59 .70 52.0 15.2 3.27 .47 .60 .72 49.5 14.5 3.65 .48 .61 .73 46.5 13.6 4.09 .48 .62 .75
71�F(22�C)
1600 755 55.5 16.3 2.94 .48 .61 .73 53.5 15.7 3.28 .48 .61 .75 51.0 14.9 3.67 .49 .63 .77 48.0 14.1 4.10 .49 .64 .79(22�C)
1800 850 57.0 16.7 2.95 .49 .62 .76 54.5 16.0 3.30 .49 .64 .76 52.0 15.2 3.68 .50 .65 .79 49.0 14.4 4.11 .50 .66 .82
FIRST STAGE COOLING CAPACITY − XC21−048 with [CX34−60D−6F] [C33−60D]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1100 520 36.8 10.8 1.63 .78 .92 1.00 35.4 10.4 1.88 .79 .94 1.00 33.8 9.9 2.17 .81 .96 1.00 32.0 9.4 2.49 .83 .99 1.00
63�F(17�C)
1200 565 37.6 11.0 1.62 .80 .94 1.00 36.0 10.6 1.88 .81 .97 1.00 34.4 10.1 2.16 .83 .99 1.00 32.6 9.6 2.49 .85 1.00 1.00(17�C)
1300 615 38.5 11.3 1.62 .82 .97 1.00 36.8 10.8 1.87 .83 .99 1.00 35.2 10.3 2.16 .85 1.00 1.00 33.6 9.8 2.48 .88 1.00 1.00
67�F1100 520 39.0 11.4 1.62 .62 .75 .88 37.6 11.0 1.87 .63 .77 .90 35.8 10.5 2.15 .64 .78 .92 34.0 10.0 2.47 .65 .80 .95
67�F(19�C)
1200 565 40.0 11.7 1.62 .63 .77 .91 38.5 11.3 1.87 .64 .79 .93 36.6 10.7 2.15 .65 .81 .95 34.6 10.1 2.47 .66 .83 .98(19�C)
1300 615 40.5 11.9 1.62 .64 .79 .93 39.0 11.4 1.86 .65 .81 .95 37.2 10.9 2.14 .67 .83 .98 35.2 10.3 2.47 .68 .85 1.00
71�F1100 520 41.5 12.2 1.62 .48 .60 .73 40.0 11.7 1.86 .48 .61 .74 38.5 11.3 2.14 .48 .62 .76 36.4 10.7 2.46 .49 .64 .78
71�F(22�C)
1200 565 42.5 12.5 1.62 .48 .62 .75 41.0 12.0 1.86 .49 .63 .76 39.0 11.4 2.14 .49 .64 .78 37.0 10.8 2.46 .50 .65 .80(22�C)
1300 615 43.0 12.6 1.61 .49 .63 .77 41.5 12.2 1.86 .49 .64 .78 39.5 11.6 2.13 .50 .65 .80 37.4 11.0 2.45 .50 .66 .82
SECOND STAGE COOLING CAPACITY − XC21−048 with [CX34−60D−6F] [C33−60D]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 49.0 14.4 2.86 .76 .90 1.00 47.0 13.8 3.20 .78 .92 1.00 44.5 13.0 3.59 .80 .94 1.00 42.0 12.3 4.02 .82 .97 1.00
63�F(17�C)
1600 755 50.5 14.8 2.88 .79 .94 1.00 48.5 14.2 3.23 .81 .96 1.00 46.0 13.5 3.61 .83 .98 1.00 43.5 12.7 4.04 .85 1.00 1.00(17�C)
1800 850 51.5 15.1 2.89 .82 .97 1.00 49.5 14.5 3.24 .84 .99 1.00 47.0 13.8 3.62 .86 1.00 1.00 45.0 13.2 4.06 .89 1.00 1.00
67�F1400 660 52.0 15.2 2.89 .61 .74 .86 49.5 14.5 3.24 .62 .75 .88 47.0 13.8 3.63 .63 .77 .91 44.5 13.0 4.06 .64 .79 .93
67�F(19�C)
1600 755 53.5 15.7 2.91 .63 .77 .90 51.0 14.9 3.26 .64 .78 .92 48.5 14.2 3.64 .65 .80 .95 46.0 13.5 4.07 .67 .83 .98(19�C)
1800 850 54.5 16.0 2.93 .65 .80 .94 52.0 15.2 3.27 .66 .82 .96 49.5 14.5 3.66 .67 .84 .99 47.0 13.8 4.09 .69 .86 1.00
71�F1400 660 55.0 16.1 2.93 .47 .60 .71 52.5 15.4 3.27 .48 .60 .73 50.5 14.8 3.67 .48 .61 .74 47.5 13.9 4.10 .49 .63 .77
71�F(22�C)
1600 755 56.5 16.6 2.95 .48 .61 .74 54.5 16.0 3.29 .49 .63 .76 51.5 15.1 3.68 .49 .64 .78 48.5 14.2 4.11 .50 .65 .80(22�C)
1800 850 58.0 17.0 2.96 .49 .63 .77 55.5 16.3 3.31 .49 .65 .79 52.5 15.4 3.70 .50 .66 .81 49.5 14.5 4.13 .50 .67 .84
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 4 TON
UP−FLOW INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 80
FIRST STAGE COOLING CAPACITY − XC21−048 with [CX34−62D−6F] [C33−62D]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1100 520 37.0 10.8 1.63 .78 .91 1.00 35.6 10.4 1.88 .79 .94 1.00 33.8 9.9 2.17 .81 .96 1.00 32.0 9.4 2.49 .83 .99 1.00
63�F(17�C)
1200 565 37.8 11.1 1.62 .80 .94 1.00 36.2 10.6 1.88 .81 .96 1.00 34.6 10.1 2.16 .83 .99 1.00 32.8 9.6 2.48 .85 1.00 1.00(17�C)
1300 615 38.5 11.3 1.62 .82 .97 1.00 36.8 10.8 1.87 .83 .99 1.00 35.2 10.3 2.15 .85 1.00 1.00 33.6 9.8 2.48 .88 1.00 1.00
67�F1100 520 39.5 11.6 1.62 .61 .75 .88 37.8 11.1 1.87 .63 .77 .90 36.0 10.6 2.15 .64 .78 .92 34.2 10.0 2.47 .65 .80 .95
67�F(19�C)
1200 565 40.0 11.7 1.62 .63 .77 .91 38.5 11.3 1.87 .64 .79 .93 36.8 10.8 2.15 .65 .80 .95 34.8 10.2 2.47 .66 .82 .98(19�C)
1300 615 41.0 12.0 1.62 .64 .79 .93 39.5 11.6 1.86 .65 .81 .95 37.4 11.0 2.14 .66 .82 .98 35.4 10.4 2.46 .68 .85 1.00
71�F1100 520 41.5 12.2 1.62 .48 .60 .73 40.0 11.7 1.86 .48 .60 .74 38.0 11.1 2.14 .48 .61 .76 36.2 10.6 2.46 .49 .63 .78
71�F(22�C)
1200 565 42.5 12.5 1.62 .48 .61 .75 41.0 12.0 1.86 .48 .62 .76 39.0 11.4 2.14 .49 .64 .78 37.0 10.8 2.45 .50 .65 .80(22�C)
1300 615 43.0 12.6 1.61 .49 .63 .76 41.5 12.2 1.86 .49 .64 .78 39.5 11.6 2.13 .50 .65 .80 37.6 11.0 2.45 .50 .66 .82
SECOND STAGE COOLING CAPACITY − XC21−048 with [CX34−62D−6F] [C33−62D]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 49.5 14.5 2.87 .76 .89 1.00 47.5 13.9 3.21 .78 .92 1.00 45.0 13.2 3.60 .79 .94 1.00 42.5 12.5 4.03 .82 .97 1.00
63�F(17�C)
1600 755 51.0 14.9 2.88 .79 .94 1.00 49.0 14.4 3.23 .81 .96 1.00 46.5 13.6 3.62 .83 .98 1.00 44.0 12.9 4.04 .85 1.00 1.00(17�C)
1800 850 52.5 15.4 2.90 .82 .97 1.00 50.0 14.7 3.24 .84 .99 1.00 47.5 13.9 3.63 .86 1.00 1.00 45.5 13.3 4.06 .88 1.00 1.00
67�F1400 660 52.0 15.2 2.90 .61 .74 .86 50.0 14.7 3.24 .62 .75 .88 47.5 13.9 3.63 .63 .77 .90 45.0 13.2 4.06 .64 .79 .93
67�F(19�C)
1600 755 54.0 15.8 2.92 .63 .77 .90 51.5 15.1 3.26 .64 .78 .92 49.0 14.4 3.65 .65 .80 .95 46.5 13.6 4.08 .66 .82 .98(19�C)
1800 850 55.0 16.1 2.93 .64 .80 .94 53.0 15.5 3.28 .66 .81 .96 50.0 14.7 3.66 .67 .83 .99 47.5 13.9 4.09 .69 .86 1.00
71�F1400 660 55.5 16.3 2.93 .47 .59 .71 53.0 15.5 3.28 .47 .60 .73 50.5 14.8 3.67 .48 .62 .74 47.5 13.9 4.10 .49 .63 .76
71�F(22�C)
1600 755 57.0 16.7 2.95 .48 .60 .74 54.5 16.0 3.30 .49 .63 .76 52.0 15.2 3.68 .49 .64 .78 49.0 14.4 4.12 .50 .65 .80(22�C)
1800 850 58.5 17.1 2.97 .49 .63 .76 55.5 16.3 3.31 .49 .65 .79 53.0 15.5 3.70 .50 .66 .81 50.0 14.7 4.13 .51 .67 .83
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 4 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 81
FIRST STAGE COOLING CAPACITY − XC21−048 with [CX34−44/48C−6F + G60UHV−60C−090][C33−48C + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1015 480 35.2 10.3 1.64 .74 .87 .99 33.6 9.8 1.90 .76 .89 1.00 32.2 9.4 2.19 .77 .91 1.00 30.4 8.9 2.53 .79 .94 1.00
63�F(17�C)
1140 540 36.2 10.6 1.64 .77 .90 1.00 34.6 10.1 1.90 .78 .92 1.00 33.0 9.7 2.19 .80 .95 1.00 31.4 9.2 2.52 .82 .97 1.00(17�C)
1285 605 37.2 10.9 1.63 .79 .94 1.00 35.6 10.4 1.89 .81 .96 1.00 34.0 10.0 2.18 .83 .98 1.00 32.2 9.4 2.51 .84 1.00 1.00
67�F1015 480 37.4 11.0 1.63 .59 .72 .84 36.0 10.6 1.89 .60 .73 .85 34.4 10.1 2.18 .61 .74 .87 32.6 9.6 2.51 .62 .76 .90
67�F(19�C)
1140 540 38.5 11.3 1.63 .61 .74 .87 37.0 10.8 1.88 .62 .75 .88 35.2 10.3 2.17 .63 .77 .91 33.4 9.8 2.50 .64 .79 .93(19�C)
1285 605 39.5 11.6 1.62 .62 .77 .90 37.8 11.1 1.88 .63 .78 .92 36.0 10.6 2.16 .64 .80 .94 34.2 10.0 2.49 .65 .82 .97
71�F1015 480 40.0 11.7 1.63 .46 .58 .69 38.0 11.1 1.87 .46 .58 .70 36.6 10.7 2.16 .47 .59 .72 34.8 10.2 2.49 .47 .61 .73
71�F(22�C)
1140 540 41.0 12.0 1.62 .46 .59 .71 39.5 11.6 1.88 .47 .60 .73 37.6 11.0 2.16 .47 .61 .74 35.6 10.4 2.48 .48 .62 .76(22�C)
1285 605 42.0 12.3 1.62 .47 .61 .74 40.5 11.9 1.87 .48 .62 .75 38.5 11.3 2.15 .48 .63 .77 36.4 10.7 2.47 .49 .64 .79
SECOND STAGE COOLING CAPACITY − XC21−048 with [CX34−44/48C−6F + G60UHV−60C−090][C33−48C + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1460 690 48.0 14.1 2.86 .75 .88 1.00 46.0 13.5 3.21 .76 .90 1.00 44.0 12.9 3.60 .78 .93 1.00 41.5 12.2 4.03 .80 .95 1.00
63�F(17�C)
1635 770 49.5 14.5 2.87 .77 .92 1.00 47.0 13.8 3.22 .79 .94 1.00 45.0 13.2 3.61 .81 .96 1.00 42.5 12.5 4.04 .83 .99 1.00(17�C)
1855 875 50.5 14.8 2.89 .81 .95 1.00 48.5 14.2 3.24 .82 .97 1.00 46.0 13.5 3.62 .84 .99 1.00 43.5 12.7 4.06 .86 1.00 1.00
67�F1460 690 51.0 14.9 2.89 .60 .73 .85 49.0 14.4 3.24 .61 .74 .87 46.5 13.6 3.63 .62 .76 .89 44.0 12.9 4.06 .63 .78 .92
67�F(19�C)
1635 770 52.5 15.4 2.90 .62 .75 .88 50.0 14.7 3.25 .63 .77 .90 47.5 13.9 3.64 .64 .78 .93 45.0 13.2 4.07 .65 .80 .95(19�C)
1855 875 53.5 15.7 2.91 .64 .78 .92 51.0 14.9 3.27 .65 .80 .94 48.5 14.2 3.66 .66 .82 .97 46.0 13.5 4.09 .67 .84 .99
71�F1460 690 54.0 15.8 2.92 .47 .59 .70 51.5 15.1 3.27 .47 .59 .72 49.0 14.4 3.66 .47 .60 .73 46.5 13.6 4.10 .48 .62 .75
71�F(22�C)
1635 770 55.5 16.3 2.93 .47 .60 .73 53.0 15.5 3.29 .48 .61 .74 50.5 14.8 3.68 .48 .62 .76 47.5 13.9 4.11 .49 .64 .78(22�C)
1855 875 56.5 16.6 2.95 .48 .62 .76 54.5 16.0 3.30 .49 .63 .77 51.5 15.1 3.69 .49 .64 .79 48.5 14.2 4.13 .50 .66 .81
FIRST STAGE COOLING CAPACITY − XC21−048 with [CX34−44/48C−6F + G61MPV−60C−090][C33−48C + G61MPV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F960 455 34.6 10.1 1.63 .73 .86 .98 33.2 9.7 1.89 .75 .88 1.00 31.6 9.3 2.18 .76 .90 1.00 30.0 8.8 2.51 .78 .92 1.00
63�F(17�C)
1090 515 35.8 10.5 1.63 .76 .89 1.00 34.2 10.0 1.88 .77 .91 1.00 32.6 9.6 2.17 .79 .94 1.00 31.0 9.1 2.50 .81 .96 1.00(17�C)
1215 575 36.6 10.7 1.63 .78 .92 1.00 35.2 10.3 1.88 .80 .94 1.00 33.4 9.8 2.17 .81 .97 1.00 31.8 9.3 2.50 .83 .99 1.00
67�F960 455 36.8 10.8 1.62 .59 .71 .83 35.4 10.4 1.88 .59 .72 .84 33.8 9.9 2.17 .60 .73 .86 32.2 9.4 2.49 .62 .75 .88
67�F(19�C)
1090 515 38.0 11.1 1.62 .60 .73 .86 36.4 10.7 1.87 .61 .75 .88 34.8 10.2 2.16 .62 .76 .89 33.0 9.7 2.48 .63 .78 .92(19�C)
1215 575 39.0 11.4 1.62 .62 .75 .89 37.4 11.0 1.87 .63 .77 .91 35.6 10.4 2.15 .64 .78 .93 33.8 9.9 2.48 .65 .81 .96
71�F960 455 39.0 11.4 1.62 .46 .57 .68 37.6 11.0 1.87 .46 .58 .69 36.0 10.6 2.15 .46 .58 .71 34.2 10.0 2.48 .47 .60 .72
71�F(22�C)
1090 515 40.5 11.9 1.62 .46 .58 .71 39.0 11.4 1.87 .47 .59 .72 37.0 10.8 2.14 .47 .60 .73 35.2 10.3 2.47 .48 .62 .75(22�C)
1215 575 41.5 12.2 1.62 .47 .60 .73 40.0 11.7 1.86 .47 .61 .74 38.0 11.1 2.14 .48 .62 .76 36.0 10.6 2.46 .48 .63 .78
SECOND STAGE COOLING CAPACITY − XC21−048 with [CX34−44/48C−6F + G61MPV−60C−090][C33−48C + G61MPV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1380 650 47.5 13.9 2.84 .75 .87 .99 45.5 13.3 3.19 .76 .89 1.00 43.0 12.6 3.58 .77 .91 1.00 40.5 11.9 4.00 .79 .94 1.00
63�F(17�C)
1590 750 49.0 14.4 2.86 .77 .91 1.00 47.0 13.8 3.21 .79 .93 1.00 44.5 13.0 3.59 .81 .95 1.00 42.0 12.3 4.02 .83 .98 1.00(17�C)
1750 825 50.0 14.7 2.87 .80 .94 1.00 48.0 14.1 3.22 .81 .96 1.00 45.5 13.3 3.60 .83 .98 1.00 43.0 12.6 4.03 .85 1.00 1.00
67�F1380 650 50.0 14.7 2.88 .60 .72 .84 48.0 14.1 3.22 .60 .73 .86 46.0 13.5 3.61 .61 .75 .88 43.5 12.7 4.04 .63 .77 .90
67�F(19�C)
1590 750 52.0 15.2 2.89 .61 .75 .88 49.5 14.5 3.24 .62 .76 .90 47.0 13.8 3.63 .64 .78 .92 44.5 13.0 4.05 .65 .80 .95(19�C)
1750 825 53.0 15.5 2.90 .63 .77 .91 50.5 14.8 3.25 .64 .79 .93 48.0 14.1 3.64 .65 .81 .95 45.5 13.3 4.06 .67 .83 .98
71�F1380 650 53.0 15.5 2.91 .46 .58 .70 51.0 14.9 3.25 .47 .59 .71 48.5 14.2 3.64 .47 .60 .72 46.0 13.5 4.07 .48 .61 .74
71�F(22�C)
1590 750 55.0 16.1 2.92 .47 .60 .72 52.5 15.4 3.27 .48 .61 .74 50.0 14.7 3.66 .48 .62 .76 47.0 13.8 4.09 .49 .63 .77(22�C)
1750 825 56.0 16.4 2.94 .48 .61 .75 53.5 15.7 3.29 .49 .63 .76 51.0 14.9 3.67 .49 .64 .78 48.0 14.1 4.10 .50 .65 .80
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 4 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 82
FIRST STAGE COOLING CAPACITY − XC21−048 with [CX34−44/48C−6F + G61MPV−60C−110][C33−48C + G61MPV−60C−110]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F805 380 32.8 9.6 1.64 .71 .82 .93 31.6 9.3 1.90 .72 .84 .95 30.2 8.9 2.19 .73 .85 .97 28.6 8.4 2.53 .74 .87 .99
63�F(17�C)
925 435 34.2 10.0 1.63 .73 .85 .97 32.8 9.6 1.89 .74 .86 .99 31.4 9.2 2.18 .75 .89 1.00 29.8 8.7 2.51 .77 .91 1.00(17�C)
1050 495 35.4 10.4 1.63 .75 .88 1.00 33.8 9.9 1.89 .76 .90 1.00 32.4 9.5 2.17 .78 .92 1.00 30.6 9.0 2.51 .80 .95 1.00
67�F805 380 35.0 10.3 1.63 .57 .68 .79 33.8 9.9 1.89 .58 .69 .80 32.2 9.4 2.18 .58 .70 .81 30.6 9.0 2.50 .59 .71 .83
67�F(19�C)
925 435 36.4 10.7 1.63 .58 .70 .81 35.0 10.3 1.88 .59 .71 .83 33.6 9.8 2.17 .60 .72 .85 31.8 9.3 2.50 .61 .74 .87(19�C)
1050 495 37.6 11.0 1.62 .59 .72 .85 36.2 10.6 1.88 .60 .73 .86 34.6 10.1 2.16 .62 .75 .88 32.8 9.6 2.49 .62 .77 .91
71�F805 380 37.2 10.9 1.62 .45 .55 .65 35.8 10.5 1.88 .45 .56 .66 34.4 10.1 2.16 .46 .57 .67 32.6 9.6 2.48 .46 .57 .69
71�F(22�C)
925 435 38.5 11.3 1.62 .45 .57 .67 37.2 10.9 1.87 .46 .57 .69 35.6 10.4 2.15 .46 .58 .70 33.8 9.9 2.48 .46 .59 .71(22�C)
1050 495 40.0 11.7 1.62 .46 .58 .70 38.5 11.3 1.86 .46 .59 .71 36.8 10.8 2.15 .47 .60 .72 34.8 10.2 2.47 .47 .61 .74
SECOND STAGE COOLING CAPACITY − XC21−048 with [CX34−44/48C−6F + G61MPV−60C−110][C33−48C + G61MPV−60C−110]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1405 665 47.5 13.9 2.84 .75 .88 .99 45.5 13.3 3.19 .76 .89 1.00 43.0 12.6 3.58 .78 .92 1.00 41.0 12.0 4.01 .80 .94 1.00
63�F(17�C)
1610 760 49.0 14.4 2.86 .77 .91 1.00 47.0 13.8 3.21 .79 .93 1.00 44.5 13.0 3.59 .80 .96 1.00 42.0 12.3 4.02 .83 .98 1.00(17�C)
1795 845 50.0 14.7 2.87 .80 .94 1.00 48.0 14.1 3.22 .81 .97 1.00 45.5 13.3 3.60 .83 .99 1.00 43.0 12.6 4.03 .86 1.00 1.00
67�F1405 665 50.5 14.8 2.88 .60 .72 .84 48.5 14.2 3.23 .61 .74 .86 46.0 13.5 3.61 .61 .75 .88 43.5 12.7 4.04 .63 .77 .91
67�F(19�C)
1610 760 52.0 15.2 2.89 .62 .75 .88 49.5 14.5 3.24 .62 .76 .90 47.0 13.8 3.63 .64 .78 .92 44.5 13.0 4.05 .65 .80 .95(19�C)
1795 845 53.0 15.5 2.91 .63 .77 .91 50.5 14.8 3.25 .64 .79 .93 48.0 14.1 3.64 .65 .81 .96 45.5 13.3 4.07 .67 .83 .98
71�F1405 665 53.5 15.7 2.91 .47 .58 .70 51.0 14.9 3.26 .47 .59 .71 48.5 14.2 3.64 .47 .60 .72 46.0 13.5 4.08 .48 .61 .74
71�F(22�C)
1610 760 55.0 16.1 2.93 .47 .60 .72 52.5 15.4 3.27 .48 .61 .74 50.0 14.7 3.66 .48 .62 .76 47.5 13.9 4.09 .49 .63 .78(22�C)
1795 845 56.0 16.4 2.94 .48 .62 .75 54.0 15.8 3.29 .49 .63 .77 51.0 14.9 3.67 .49 .64 .78 48.5 14.2 4.11 .50 .65 .81
FIRST STAGE COOLING CAPACITY − XC21−048 with [CX34−49C−6F + G60UHV−60C−090][C33−49C + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1015 480 35.4 10.4 1.64 .75 .87 .99 34.0 10.0 1.90 .76 .89 1.00 32.4 9.5 2.19 .77 .91 1.00 30.8 9.0 2.53 .79 .94 1.00
63�F(17�C)
1140 540 36.4 10.7 1.63 .77 .90 1.00 35.0 10.3 1.89 .78 .93 1.00 33.4 9.8 2.18 .80 .95 1.00 31.8 9.3 2.51 .82 .98 1.00(17�C)
1285 605 37.6 11.0 1.63 .79 .94 1.00 36.0 10.6 1.89 .81 .96 1.00 34.4 10.1 2.17 .83 .98 1.00 32.6 9.6 2.50 .85 1.00 1.00
67�F1015 480 37.6 11.0 1.63 .60 .72 .84 36.2 10.6 1.89 .60 .73 .85 34.4 10.1 2.17 .61 .75 .87 32.8 9.6 2.51 .62 .76 .90
67�F(19�C)
1140 540 38.5 11.3 1.63 .61 .74 .87 37.2 10.9 1.88 .62 .75 .89 35.6 10.4 2.17 .63 .77 .91 33.8 9.9 2.50 .64 .79 .94(19�C)
1285 605 40.0 11.7 1.63 .63 .77 .90 38.0 11.1 1.88 .63 .78 .92 36.6 10.7 2.16 .65 .80 .95 34.6 10.1 2.49 .66 .82 .97
71�F1015 480 39.5 11.6 1.63 .46 .58 .69 38.0 11.1 1.88 .46 .59 .71 36.4 10.7 2.16 .47 .60 .72 34.8 10.2 2.49 .47 .61 .74
71�F(22�C)
1140 540 41.0 12.0 1.62 .47 .59 .71 39.5 11.6 1.87 .47 .60 .73 37.6 11.0 2.15 .47 .61 .74 35.8 10.5 2.48 .48 .62 .76(22�C)
1285 605 42.0 12.3 1.62 .47 .61 .74 40.5 11.9 1.87 .48 .62 .75 38.5 11.3 2.15 .48 .63 .77 36.8 10.8 2.47 .49 .64 .79
SECOND STAGE COOLING CAPACITY − XC21−048 with [CX34−49C−6F + G60UHV−60C−090][C33−49C + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1460 690 49.0 14.4 2.86 .75 .89 1.00 47.0 13.8 3.22 .77 .91 1.00 44.5 13.0 3.61 .79 .93 1.00 42.0 12.3 4.04 .80 .96 1.00
63�F(17�C)
1635 770 50.0 14.7 2.88 .78 .92 1.00 48.0 14.1 3.23 .79 .94 1.00 45.5 13.3 3.62 .81 .97 1.00 43.0 12.6 4.05 .83 .99 1.00(17�C)
1855 875 51.5 15.1 2.89 .81 .96 1.00 49.5 14.5 3.25 .82 .98 1.00 47.0 13.8 3.63 .84 1.00 1.00 44.5 13.0 4.07 .87 1.00 1.00
67�F1460 690 51.5 15.1 2.90 .61 .73 .85 49.5 14.5 3.25 .61 .74 .87 47.0 13.8 3.64 .62 .76 .89 44.5 13.0 4.07 .64 .78 .92
67�F(19�C)
1635 770 53.0 15.5 2.91 .62 .75 .88 50.5 14.8 3.26 .63 .77 .90 48.5 14.2 3.65 .64 .79 .93 45.5 13.3 4.09 .65 .81 .96(19�C)
1855 875 54.5 16.0 2.92 .64 .78 .92 52.0 15.2 3.28 .65 .80 .95 49.5 14.5 3.67 .66 .82 .97 46.5 13.6 4.09 .68 .84 1.00
71�F1460 690 54.5 16.0 2.92 .47 .59 .71 52.0 15.2 3.28 .47 .60 .72 49.5 14.5 3.67 .48 .61 .73 47.0 13.8 4.10 .48 .62 .75
71�F(22�C)
1635 770 55.5 16.3 2.94 .47 .61 .73 53.5 15.7 3.29 .48 .62 .74 51.0 14.9 3.68 .49 .63 .76 48.0 14.1 4.12 .49 .64 .78(22�C)
1855 875 57.0 16.7 2.96 .49 .63 .76 55.0 16.1 3.31 .49 .64 .78 52.0 15.2 3.70 .50 .65 .79 49.5 14.5 4.14 .50 .66 .82
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 4 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 83
FIRST STAGE COOLING CAPACITY − XC21−048 with [CX34−49C−6F + G61MPV−60C−090][C33−49C + G61MPV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F960 455 34.8 10.2 1.63 .74 .86 .98 33.6 9.8 1.89 .75 .88 1.00 32.0 9.4 2.18 .76 .90 1.00 30.4 8.9 2.51 .78 .92 1.00
63�F(17�C)
1090 515 36.0 10.6 1.63 .76 .89 1.00 34.6 10.1 1.88 .77 .91 1.00 33.0 9.7 2.17 .79 .94 1.00 31.4 9.2 2.50 .81 .96 1.00(17�C)
1215 575 37.0 10.8 1.62 .78 .92 1.00 35.6 10.4 1.88 .80 .95 1.00 33.8 9.9 2.16 .81 .97 1.00 32.2 9.4 2.49 .83 .99 1.00
67�F960 455 37.0 10.8 1.62 .59 .71 .83 35.6 10.4 1.88 .60 .72 .84 34.0 10.0 2.16 .61 .74 .86 32.4 9.5 2.49 .62 .75 .88
67�F(19�C)
1090 515 38.0 11.1 1.62 .61 .73 .86 36.8 10.8 1.87 .61 .75 .88 35.0 10.3 2.16 .62 .76 .90 33.4 9.8 2.48 .64 .78 .92(19�C)
1215 575 39.5 11.6 1.62 .62 .75 .89 37.6 11.0 1.87 .63 .77 .91 36.0 10.6 2.15 .64 .79 .93 34.2 10.0 2.48 .65 .81 .96
71�F960 455 39.0 11.4 1.62 .46 .58 .69 37.6 11.0 1.87 .46 .58 .70 36.0 10.6 2.15 .46 .59 .71 34.2 10.0 2.47 .47 .60 .73
71�F(22�C)
1090 515 40.5 11.9 1.62 .46 .59 .71 39.0 11.4 1.86 .47 .60 .72 37.0 10.8 2.14 .47 .61 .74 35.2 10.3 2.47 .48 .62 .75(22�C)
1215 575 41.5 12.2 1.62 .47 .60 .73 40.0 11.7 1.86 .48 .61 .74 38.0 11.1 2.14 .48 .63 .76 36.2 10.6 2.46 .49 .64 .78
SECOND STAGE COOLING CAPACITY − XC21−048 with [CX34−49C−6F + G61MPV−60C−090][C33−49C + G61MPV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1380 650 48.0 14.1 2.85 .75 .87 .99 46.0 13.5 3.20 .76 .89 1.00 44.0 12.9 3.58 .78 .91 1.00 41.5 12.2 4.01 .80 .94 1.00
63�F(17�C)
1590 750 49.5 14.5 2.87 .77 .91 1.00 47.5 13.9 3.22 .79 .93 1.00 45.5 13.3 3.60 .81 .96 1.00 43.0 12.6 4.03 .83 .99 1.00(17�C)
1750 825 51.0 14.9 2.88 .80 .94 1.00 48.5 14.2 3.23 .81 .97 1.00 46.0 13.5 3.61 .83 .99 1.00 43.5 12.7 4.04 .86 1.00 1.00
67�F1380 650 51.0 14.9 2.88 .60 .72 .84 48.5 14.2 3.23 .61 .74 .86 46.5 13.6 3.62 .62 .75 .88 44.0 12.9 4.05 .63 .77 .91
67�F(19�C)
1590 750 52.5 15.4 2.90 .62 .75 .88 50.5 14.8 3.25 .63 .77 .90 48.0 14.1 3.64 .64 .78 .92 45.5 13.3 4.07 .65 .80 .95(19�C)
1750 825 53.5 15.7 2.91 .63 .77 .91 51.5 15.1 3.26 .64 .79 .93 49.0 14.4 3.65 .66 .81 .96 46.0 13.5 4.08 .67 .83 .99
71�F1380 650 53.5 15.7 2.91 .47 .59 .70 51.5 15.1 3.26 .47 .59 .71 49.0 14.4 3.64 .47 .60 .73 46.5 13.6 4.08 .48 .61 .74
71�F(22�C)
1590 750 55.0 16.1 2.93 .48 .60 .73 53.0 15.5 3.28 .48 .61 .74 50.5 14.8 3.66 .48 .62 .76 48.0 14.1 4.10 .49 .64 .78(22�C)
1750 825 56.5 16.6 2.94 .48 .62 .75 54.0 15.8 3.29 .49 .63 .76 51.5 15.1 3.68 .49 .64 .78 48.5 14.2 4.11 .50 .66 .81
FIRST STAGE COOLING CAPACITY − XC21−048 with [CX34−50/60C−6F + G60UHV−60C−090][C33−50/60C + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1015 480 35.6 10.4 1.64 .74 .88 1.00 34.0 10.0 1.90 .76 .90 1.00 32.4 9.5 2.19 .78 .92 1.00 30.8 9.0 2.53 .79 .94 1.00
63�F(17�C)
1140 540 36.6 10.7 1.63 .77 .91 1.00 35.0 10.3 1.89 .78 .93 1.00 33.4 9.8 2.18 .80 .95 1.00 31.6 9.3 2.51 .82 .98 1.00(17�C)
1285 605 37.6 11.0 1.63 .79 .95 1.00 36.0 10.6 1.89 .81 .97 1.00 34.4 10.1 2.17 .83 .99 1.00 32.6 9.6 2.50 .85 1.00 1.00
67�F1015 480 37.8 11.1 1.63 .59 .72 .84 36.4 10.7 1.89 .60 .73 .85 34.8 10.2 2.17 .61 .75 .88 33.0 9.7 2.50 .62 .76 .90
67�F(19�C)
1140 540 39.0 11.4 1.63 .61 .74 .87 37.4 11.0 1.88 .62 .76 .89 35.6 10.4 2.17 .63 .77 .91 33.8 9.9 2.50 .64 .79 .94(19�C)
1285 605 40.0 11.7 1.62 .63 .77 .91 38.0 11.1 1.88 .64 .78 .93 36.4 10.7 2.16 .64 .80 .95 34.6 10.1 2.49 .66 .82 .98
71�F1015 480 40.5 11.9 1.62 .46 .58 .70 38.5 11.3 1.88 .46 .58 .70 37.0 10.8 2.16 .47 .59 .72 35.2 10.3 2.49 .47 .61 .74
71�F(22�C)
1140 540 41.5 12.2 1.62 .47 .59 .72 40.0 11.7 1.87 .47 .60 .73 38.0 11.1 2.15 .47 .61 .74 36.0 10.6 2.48 .48 .62 .76(22�C)
1285 605 42.5 12.5 1.62 .47 .61 .74 41.0 12.0 1.87 .48 .62 .74 39.0 11.4 2.15 .48 .63 .77 36.8 10.8 2.47 .49 .64 .79
SECOND STAGE COOLING CAPACITY − XC21−048 with [CX34−50/60C−6F + G60UHV−60C−090][C33−50/60C + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1460 690 48.5 14.2 2.86 .76 .89 1.00 46.5 13.6 3.22 .77 .91 1.00 44.5 13.0 3.60 .79 .93 1.00 42.0 12.3 4.04 .81 .96 1.00
63�F(17�C)
1635 770 50.0 14.7 2.88 .78 .93 1.00 47.5 13.9 3.23 .80 .95 1.00 45.5 13.3 3.62 .81 .97 1.00 43.0 12.6 4.05 .84 .99 1.00(17�C)
1855 875 51.5 15.1 2.89 .81 .96 1.00 49.0 14.4 3.24 .83 .98 1.00 46.5 13.6 3.63 .85 1.00 1.00 44.0 12.9 4.07 .87 1.00 1.00
67�F1460 690 51.5 15.1 2.90 .60 .74 .86 49.5 14.5 3.25 .61 .74 .87 47.0 13.8 3.64 .62 .76 .90 44.5 13.0 4.07 .64 .78 .93
67�F(19�C)
1635 770 53.0 15.5 2.91 .62 .76 .89 50.5 14.8 3.26 .63 .77 .91 48.0 14.1 3.65 .64 .79 .94 45.5 13.3 4.08 .65 .81 .96(19�C)
1855 875 54.0 15.8 2.92 .64 .79 .93 52.0 15.2 3.27 .65 .81 .95 49.0 14.4 3.66 .66 .82 .98 46.5 13.6 4.10 .68 .85 1.00
71�F1460 690 54.5 16.0 2.93 .47 .59 .71 52.5 15.4 3.28 .47 .60 .72 50.0 14.7 3.67 .48 .61 .74 47.0 13.8 4.11 .48 .62 .76
71�F(22�C)
1635 770 56.0 16.4 2.94 .47 .60 .73 53.5 15.7 3.29 .48 .61 .75 51.0 14.9 3.69 .48 .63 .76 48.0 14.1 4.12 .49 .64 .79(22�C)
1855 875 57.5 16.9 2.96 .48 .63 .76 55.0 16.1 3.31 .49 .64 .78 52.0 15.2 3.70 .50 .65 .79 49.0 14.4 4.13 .50 .66 .82
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 4 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 84
FIRST STAGE COOLING CAPACITY − XC21−048 with [CX34−50/60C−6F + G61MPV−60C−090][C33−50/60C + G61MPV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F960 455 35.0 10.3 1.63 .74 .87 .98 33.6 9.8 1.89 .75 .88 1.00 32.0 9.4 2.18 .77 .90 1.00 30.4 8.9 2.51 .78 .93 1.00
63�F(17�C)
1090 515 36.2 10.6 1.63 .76 .90 1.00 34.6 10.1 1.88 .78 .92 1.00 33.0 9.7 2.17 .79 .94 1.00 31.2 9.1 2.50 .81 .97 1.00(17�C)
1215 575 37.0 10.8 1.62 .78 .93 1.00 35.6 10.4 1.88 .80 .95 1.00 33.8 9.9 2.16 .82 .97 1.00 32.0 9.4 2.49 .84 1.00 1.00
67�F960 455 37.4 11.0 1.62 .59 .71 .83 35.8 10.5 1.88 .60 .72 .85 34.2 10.0 2.16 .61 .74 .86 32.4 9.5 2.49 .62 .76 .89
67�F(19�C)
1090 515 38.5 11.3 1.62 .60 .74 .86 37.0 10.8 1.87 .62 .75 .88 35.2 10.3 2.16 .62 .76 .90 33.4 9.8 2.48 .63 .78 .93(19�C)
1215 575 39.5 11.6 1.62 .62 .76 .89 37.8 11.1 1.87 .63 .77 .91 36.0 10.6 2.15 .64 .79 .94 34.0 10.0 2.48 .65 .81 .96
71�F960 455 39.5 11.6 1.62 .46 .57 .68 38.0 11.1 1.87 .46 .58 .70 36.4 10.7 2.15 .46 .59 .70 34.6 10.1 2.47 .47 .60 .73
71�F(22�C)
1090 515 41.0 12.0 1.62 .46 .59 .71 39.0 11.4 1.86 .46 .59 .72 37.6 11.0 2.14 .47 .61 .74 35.6 10.4 2.46 .48 .62 .75(22�C)
1215 575 42.0 12.3 1.62 .47 .60 .73 40.0 11.7 1.86 .48 .61 .74 38.5 11.3 2.14 .48 .62 .76 36.4 10.7 2.46 .49 .63 .78
SECOND STAGE COOLING CAPACITY − XC21−048 with [CX34−50/60C−6F + G61MPV−60C−090][C33−50/60C + G61MPV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1380 650 48.0 14.1 2.85 .75 .88 1.00 46.0 13.5 3.20 .76 .90 1.00 43.5 12.7 3.58 .78 .92 1.00 41.0 12.0 4.02 .80 .95 1.00
63�F(17�C)
1590 750 49.5 14.5 2.87 .78 .92 1.00 47.5 13.9 3.21 .79 .94 1.00 45.0 13.2 3.60 .81 .96 1.00 42.5 12.5 4.03 .83 .99 1.00(17�C)
1750 825 50.5 14.8 2.88 .80 .95 1.00 48.5 14.2 3.23 .82 .97 1.00 46.0 13.5 3.61 .84 .99 1.00 43.5 12.7 4.04 .86 1.00 1.00
67�F1380 650 51.0 14.9 2.88 .60 .72 .84 49.0 14.4 3.23 .61 .74 .86 46.5 13.6 3.62 .62 .75 .88 44.0 12.9 4.05 .63 .77 .91
67�F(19�C)
1590 750 52.5 15.4 2.90 .62 .75 .88 50.0 14.7 3.24 .63 .77 .91 47.5 13.9 3.63 .64 .79 .93 45.0 13.2 4.06 .65 .81 .96(19�C)
1750 825 53.5 15.7 2.91 .63 .78 .91 51.0 14.9 3.26 .64 .79 .94 48.5 14.2 3.64 .66 .81 .96 46.0 13.5 4.07 .67 .83 .99
71�F1380 650 54.0 15.8 2.92 .47 .59 .70 51.5 15.1 3.26 .47 .59 .71 49.0 14.4 3.65 .47 .60 .72 46.5 13.6 4.08 .48 .61 .75
71�F(22�C)
1590 750 55.5 16.3 2.93 .47 .60 .73 53.0 15.5 3.28 .48 .61 .74 50.5 14.8 3.67 .48 .62 .76 48.0 14.1 4.10 .49 .64 .78(22�C)
1750 825 56.5 16.6 2.95 .48 .62 .75 54.5 16.0 3.30 .49 .63 .77 51.5 15.1 3.68 .49 .64 .79 48.5 14.2 4.11 .50 .66 .81
FIRST STAGE COOLING CAPACITY − XC21−048 with [CX34−50/60C−6F + G61MPV−60C−110][C33−50/60C + G61MPV−60C−110]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT t
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTemperat
ure
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbure
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F805 380 33.2 9.7 1.64 .71 .82 .94 31.8 9.3 1.90 .72 .84 .95 30.4 8.9 2.19 .73 .86 .97 28.8 8.4 2.53 .74 .88 1.00
63�F(17�C)
925 435 34.6 10.1 1.63 .73 .86 .97 33.2 9.7 1.89 .74 .87 .99 31.6 9.3 2.18 .76 .89 1.00 30.0 8.8 2.51 .77 .91 1.00(17�C)
1050 495 35.8 10.5 1.63 .75 .89 1.00 34.2 10.0 1.88 .77 .91 1.00 32.6 9.6 2.17 .78 .93 1.00 31.0 9.1 2.50 .80 .95 1.00
67�F805 380 35.6 10.4 1.63 .57 .68 .79 34.2 10.0 1.88 .58 .69 .80 32.6 9.6 2.17 .58 .70 .82 31.0 9.1 2.50 .59 .72 .83
67�F(19�C)
925 435 37.0 10.8 1.62 .58 .71 .82 35.4 10.4 1.88 .59 .72 .83 33.8 9.9 2.17 .60 .73 .85 32.2 9.4 2.49 .61 .75 .88(19�C)
1050 495 38.0 11.1 1.62 .60 .72 .85 36.6 10.7 1.87 .61 .74 .87 34.8 10.2 2.16 .62 .76 .89 33.0 9.7 2.48 .63 .77 .91
71�F805 380 37.6 11.0 1.62 .45 .55 .65 36.2 10.6 1.88 .45 .56 .67 34.6 10.1 2.16 .45 .57 .68 33.0 9.7 2.48 .46 .57 .69
71�F(22�C)
925 435 39.0 11.4 1.62 .45 .57 .68 37.6 11.0 1.87 .46 .57 .69 36.0 10.6 2.15 .46 .58 .70 34.2 10.0 2.48 .46 .59 .72(22�C)
1050 495 40.5 11.9 1.62 .46 .58 .70 39.0 11.4 1.87 .46 .59 .71 37.2 10.9 2.14 .47 .60 .73 35.2 10.3 2.47 .47 .61 .74
SECOND STAGE COOLING CAPACITY − XC21−048 with [CX34−50/60C−6F + G61MPV−60C−110][C33−50/60C + G61MPV−60C−110]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1405 665 48.0 14.1 2.85 .75 .88 1.00 46.0 13.5 3.20 .76 .90 1.00 44.0 12.9 3.59 .78 .93 1.00 41.5 12.2 4.01 .80 .95 1.00
63�F(17�C)
1610 760 49.5 14.5 2.87 .78 .92 1.00 47.5 13.9 3.21 .80 .94 1.00 45.0 13.2 3.60 .81 .97 1.00 42.5 12.5 4.03 .84 .99 1.00(17�C)
1795 845 51.0 14.9 2.88 .81 .95 1.00 48.5 14.2 3.23 .82 .98 1.00 46.0 13.5 3.61 .84 1.00 1.00 43.5 12.7 4.04 .87 1.00 1.00
67�F1405 665 51.0 14.9 2.88 .60 .72 .85 49.0 14.4 3.23 .61 .74 .87 46.5 13.6 3.62 .62 .76 .89 44.0 12.9 4.05 .63 .78 .92
67�F(19�C)
1610 760 52.5 15.4 2.90 .62 .75 .89 50.5 14.8 3.25 .63 .77 .91 48.0 14.1 3.63 .64 .79 .93 45.0 13.2 4.07 .65 .81 .96(19�C)
1795 845 54.0 15.8 2.92 .64 .78 .92 51.5 15.1 3.26 .65 .80 .94 49.0 14.4 3.64 .66 .82 .97 46.0 13.5 4.07 .67 .84 .99
71�F1405 665 54.0 15.8 2.92 .47 .58 .70 52.0 15.2 3.27 .47 .59 .72 49.0 14.4 3.65 .47 .60 .73 46.5 13.6 4.09 .48 .62 .75
71�F(22�C)
1610 760 55.5 16.3 2.93 .47 .60 .73 53.5 15.7 3.28 .48 .61 .75 50.5 14.8 3.67 .48 .63 .76 48.0 14.1 4.10 .49 .64 .78(22�C)
1795 845 57.0 16.7 2.95 .48 .62 .76 54.5 16.0 3.30 .49 .63 .76 52.0 15.2 3.68 .49 .64 .79 49.0 14.4 4.11 .50 .66 .81
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 4 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 85
FIRST STAGE COOLING CAPACITY − XC21−048 with [CX34−60D−6F + G60UHV−60D−135][C33−60D + G60UHV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1075 505 36.4 10.7 1.64 .76 .89 1.00 35.0 10.3 1.89 .78 .92 1.00 33.4 9.8 2.18 .79 .94 1.00 31.6 9.3 2.52 .81 .97 1.00
63�F(17�C)
1180 555 37.2 10.9 1.63 .78 .93 1.00 35.8 10.5 1.89 .80 .95 1.00 34.2 10.0 2.18 .82 .97 1.00 32.4 9.5 2.50 .83 1.00 1.00(17�C)
1325 625 38.5 11.3 1.63 .81 .97 1.00 36.8 10.8 1.88 .83 .99 1.00 35.0 10.3 2.17 .84 1.00 1.00 33.6 9.8 2.50 .87 1.00 1.00
67�F1075 505 39.0 11.4 1.63 .60 .74 .86 37.0 10.8 1.88 .61 .74 .88 35.4 10.4 2.17 .62 .77 .90 33.8 9.9 2.49 .63 .79 .93
67�F(19�C)
1180 555 39.5 11.6 1.63 .62 .76 .89 38.0 11.1 1.88 .63 .77 .91 36.2 10.6 2.16 .64 .79 .94 34.4 10.1 2.49 .65 .81 .96(19�C)
1325 625 41.0 12.0 1.63 .64 .78 .93 39.0 11.4 1.87 .65 .80 .95 37.2 10.9 2.15 .66 .82 .98 35.4 10.4 2.48 .67 .84 1.00
71�F1075 505 41.5 12.2 1.62 .46 .59 .71 39.5 11.6 1.87 .46 .60 .72 38.0 11.1 2.15 .47 .61 .74 36.0 10.6 2.47 .47 .62 .76
71�F(22�C)
1180 555 42.5 12.5 1.62 .47 .60 .73 40.5 11.9 1.87 .47 .61 .73 38.5 11.3 2.15 .48 .62 .76 36.8 10.8 2.47 .48 .64 .78(22�C)
1325 625 43.5 12.7 1.62 .48 .62 .76 41.5 12.2 1.87 .48 .63 .77 39.5 11.6 2.15 .48 .64 .79 37.6 11.0 2.47 .49 .65 .81
SECOND STAGE COOLING CAPACITY − XC21−048 with [CX34−60D−6F + G60UHV−60D−135][C33−60D + G60UHV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1540 725 50.0 14.7 2.88 .78 .92 1.00 48.0 14.1 3.23 .79 .94 1.00 45.5 13.3 3.62 .81 .96 1.00 43.0 12.6 4.05 .83 .99 1.00
63�F(17�C)
1695 800 51.0 14.9 2.89 .80 .95 1.00 49.0 14.4 3.24 .82 .97 1.00 46.5 13.6 3.63 .84 .99 1.00 44.0 12.9 4.06 .86 1.00 1.00(17�C)
1905 900 52.5 15.4 2.90 .83 .99 1.00 50.0 14.7 3.25 .85 1.00 1.00 48.0 14.1 3.64 .87 1.00 1.00 45.5 13.3 4.09 .90 1.00 1.00
67�F1540 725 53.0 15.5 2.91 .62 .75 .88 50.5 14.8 3.26 .63 .77 .90 48.5 14.2 3.65 .64 .79 .93 45.5 13.3 4.09 .65 .81 .96
67�F(19�C)
1695 800 54.0 15.8 2.92 .63 .77 .91 52.0 15.2 3.27 .64 .79 .94 49.0 14.4 3.66 .65 .81 .96 46.5 13.6 4.10 .66 .83 .99(19�C)
1905 900 55.5 16.3 2.94 .65 .80 .95 53.0 15.5 3.29 .66 .82 .98 50.0 14.7 3.67 .67 .85 1.00 47.5 13.9 4.11 .69 .87 1.00
71�F1540 725 56.0 16.4 2.94 .47 .60 .73 54.0 15.8 3.30 .47 .61 .74 51.5 15.1 3.69 .48 .62 .76 48.5 14.2 4.12 .49 .64 .78
71�F(22�C)
1695 800 57.5 16.9 2.96 .48 .62 .75 55.0 16.1 3.31 .48 .63 .77 52.0 15.2 3.70 .49 .64 .79 49.5 14.5 4.14 .49 .65 .81(22�C)
1905 900 58.5 17.1 2.97 .49 .64 .78 56.0 16.4 3.32 .49 .65 .80 53.0 15.5 3.71 .50 .66 .82 50.5 14.8 4.15 .51 .68 .85
FIRST STAGE COOLING CAPACITY − XC21−048 with [CX34−60D−6F + G61MPV−60D−135][C33−60D + G61MPV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F985 465 35.8 10.5 1.65 .75 .87 .99 34.2 10.0 1.91 .89 1.00 32.6 9.6 2.21 .77 .91 1.00 31.0 9.1 2.54 .79 .94 1.00
63�F(17�C)
1115 525 37.0 10.8 1.64 .77 .91 1.00 35.4 10.4 1.90 .78 .93 1.00 33.8 9.9 2.20 .80 .95 1.00 32.0 9.4 2.53 .82 .98 1.00(17�C)
1235 585 37.8 11.1 1.64 .79 .94 1.00 36.2 10.6 1.90 .81 .96 1.00 34.6 10.1 2.19 .82 .98 1.00 32.8 9.6 2.52 .85 1.00 1.00
67�F985 465 37.8 11.1 1.64 .59 .72 .84 36.4 10.7 1.90 .60 .73 .85 34.6 10.1 2.19 .61 .73 .87 33.2 9.7 2.52 .62 .76 .90
67�F(19�C)
1115 525 39.0 11.4 1.64 .61 .74 .87 37.6 11.0 1.89 .62 .76 .89 36.0 10.6 2.18 .63 .77 .91 34.2 10.0 2.51 .64 .79 .94(19�C)
1235 585 40.0 11.7 1.63 .63 .77 .90 38.5 11.3 1.89 .63 .78 .92 36.8 10.8 2.17 .65 .80 .95 34.8 10.2 2.50 .66 .82 .97
71�F985 465 40.5 11.9 1.63 .46 .58 .69 39.0 11.4 1.88 .45 .58 .70 37.2 10.9 2.17 .46 .59 .72 35.4 10.4 2.50 .47 .61 .73
71�F(22�C)
1115 525 41.5 12.2 1.63 .46 .59 .72 40.0 11.7 1.88 .47 .60 .73 38.5 11.3 2.17 .47 .61 .75 36.4 10.7 2.49 .48 .63 .77(22�C)
1235 585 42.5 12.5 1.63 .47 .61 .74 41.0 12.0 1.88 .48 .62 .76 39.0 11.4 2.16 .48 .63 .77 37.0 10.8 2.49 .49 .64 .79
SECOND STAGE COOLING CAPACITY − XC21−048 with [CX34−60D−6F + G61MPV−60D−135][C33−60D + G61MPV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 49.0 14.4 2.88 .75 .89 1.00 47.0 13.8 3.23 .77 .91 1.00 45.0 13.2 3.62 .79 .93 1.00 42.5 12.5 4.06 .81 .96 1.00
63�F(17�C)
1600 755 50.5 14.8 2.89 .78 .93 1.00 48.5 14.2 3.25 .80 .95 1.00 46.0 13.5 3.64 .82 .97 1.00 43.5 12.7 4.08 .84 1.00 1.00(17�C)
1780 840 52.0 15.2 2.91 .81 .96 1.00 49.5 14.5 3.26 .83 .98 1.00 47.0 13.8 3.65 .85 1.00 1.00 45.0 13.2 4.09 .87 1.00 1.00
67�F1400 660 52.0 15.2 2.90 .61 .73 .85 49.5 14.5 3.26 .61 .74 .87 47.5 13.9 3.65 .62 .76 .90 45.0 13.2 4.09 .63 .78 .92
67�F(19�C)
1600 755 53.5 15.7 2.92 .62 .76 .89 51.5 15.1 3.27 .63 .78 .91 49.0 14.4 3.67 .64 .79 .94 46.0 13.5 4.11 .66 .82 .97(19�C)
1780 840 55.0 16.1 2.93 .64 .79 .93 52.5 15.4 3.29 .65 .80 .95 50.0 14.7 3.68 .66 .82 .98 47.0 13.8 4.12 .67 .85 1.00
71�F1400 660 55.0 16.1 2.94 .46 .59 .71 53.0 15.5 3.29 .47 .59 .72 50.5 14.8 3.69 .47 .61 .73 47.5 13.9 4.13 .48 .62 .75
71�F(22�C)
1600 755 56.5 16.6 2.95 .47 .60 .74 54.5 16.0 3.31 .48 .62 .75 51.5 15.1 3.70 .48 .63 .77 49.0 14.4 4.14 .49 .64 .79(22�C)
1780 840 58.0 17.0 2.97 .48 .63 .76 55.5 16.3 3.32 .49 .64 .78 52.5 15.4 3.71 .49 .65 .80 49.5 14.5 4.15 .50 .66 .82
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 4 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 86
FIRST STAGE COOLING CAPACITY − XC21−048 with [CX34−62D−6F + G60UHV−60D−135][C33−62D + G60UHV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1075 505 36.6 10.7 1.64 .76 .90 1.00 35.0 10.3 1.89 .78 .92 1.00 33.6 9.8 2.18 .79 .94 1.00 31.8 9.3 2.51 .81 .97 1.00
63�F(17�C)
1180 555 37.6 11.0 1.63 .78 .93 1.00 36.0 10.6 1.89 .80 .95 1.00 34.2 10.0 2.17 .82 .97 1.00 32.4 9.5 2.51 .83 1.00 1.00(17�C)
1325 625 38.5 11.3 1.63 .81 .97 1.00 37.0 10.8 1.88 .82 .99 1.00 35.2 10.3 2.17 .84 1.00 1.00 33.6 9.8 2.49 .87 1.00 1.00
67�F1075 505 39.0 11.4 1.63 .60 .73 .86 37.4 11.0 1.88 .60 .75 .88 35.6 10.4 2.17 .62 .77 .90 33.8 9.9 2.49 .63 .78 .93
67�F(19�C)
1180 555 40.0 11.7 1.63 .62 .76 .89 38.0 11.1 1.88 .63 .77 .91 36.6 10.7 2.16 .64 .79 .93 34.6 10.1 2.48 .65 .81 .96(19�C)
1325 625 41.0 12.0 1.62 .64 .78 .93 39.5 11.6 1.88 .65 .80 .95 37.4 11.0 2.16 .65 .82 .97 35.4 10.4 2.48 .67 .84 1.00
71�F1075 505 41.5 12.2 1.62 .46 .59 .71 39.5 11.6 1.87 .46 .58 .72 37.8 11.1 2.16 .47 .61 .74 36.0 10.6 2.48 .47 .62 .76
71�F(22�C)
1180 555 42.0 12.3 1.62 .47 .59 .73 40.5 11.9 1.87 .47 .61 .74 38.5 11.3 2.15 .48 .62 .76 36.6 10.7 2.47 .48 .63 .78(22�C)
1325 625 43.5 12.7 1.62 .48 .62 .76 41.5 12.2 1.87 .48 .63 .77 39.5 11.6 2.15 .49 .64 .79 37.6 11.0 2.47 .49 .65 .81
SECOND STAGE COOLING CAPACITY − XC21−048 with [CX34−62D−6F + G60UHV−60D−135][C33−62D + G60UHV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1540 725 50.5 14.8 2.88 .78 .92 1.00 48.5 14.2 3.23 .79 .94 1.00 46.0 13.5 3.62 .81 .96 1.00 43.5 12.7 4.05 .83 .99 1.00
63�F(17�C)
1695 800 51.5 15.1 2.89 .80 .95 1.00 49.5 14.5 3.24 .82 .97 1.00 47.0 13.8 3.63 .83 .99 1.00 44.5 13.0 4.07 .86 1.00 1.00(17�C)
1905 900 53.0 15.5 2.91 .83 .98 1.00 50.5 14.8 3.26 .84 1.00 1.00 48.5 14.2 3.65 .87 1.00 1.00 46.0 13.5 4.09 .89 1.00 1.00
67�F1540 725 53.5 15.7 2.92 .61 .75 .88 51.0 14.9 3.27 .63 .77 .90 48.5 14.2 3.65 .64 .79 .93 46.0 13.5 4.09 .65 .81 .96
67�F(19�C)
1695 800 54.5 16.0 2.93 .63 .77 .91 52.0 15.2 3.28 .64 .79 .94 49.5 14.5 3.67 .65 .81 .96 47.0 13.8 4.10 .67 .83 .99(19�C)
1905 900 56.0 16.4 2.94 .65 .80 .95 53.5 15.7 3.29 .66 .82 .98 50.5 14.8 3.68 .67 .84 1.00 48.0 14.1 4.12 .69 .87 1.00
71�F1540 725 56.5 16.6 2.95 .47 .60 .73 54.0 15.8 3.30 .47 .61 .74 51.5 15.1 3.69 .48 .62 .76 48.5 14.2 4.13 .49 .64 .78
71�F(22�C)
1695 800 57.5 16.9 2.96 .48 .62 .75 55.0 16.1 3.31 .48 .63 .77 52.5 15.4 3.70 .49 .64 .79 49.5 14.5 4.13 .49 .65 .81(22�C)
1905 900 59.0 17.3 2.98 .49 .64 .78 56.5 16.6 3.33 .49 .65 .80 53.5 15.7 3.72 .50 .66 .82 50.5 14.8 4.16 .50 .68 .84
FIRST STAGE COOLING CAPACITY − XC21−048 with [CX34−62D−6F + G61MPV−60D−135][C33−62D + G61MPV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F985 465 35.8 10.5 1.65 .74 .87 .99 34.4 10.1 1.91 .75 .89 1.00 32.8 9.6 2.20 .77 .91 1.00 31.2 9.1 2.54 .79 .94 1.00
63�F(17�C)
1115 525 37.0 10.8 1.64 .77 .91 1.00 35.6 10.4 1.90 .78 .93 1.00 34.0 10.0 2.20 .80 .95 1.00 32.2 9.4 2.53 .82 .98 1.00(17�C)
1235 585 38.0 11.1 1.64 .79 .94 1.00 36.4 10.7 1.90 .81 .96 1.00 34.8 10.2 2.19 .82 .98 1.00 33.0 9.7 2.52 .85 1.00 1.00
67�F985 465 38.0 11.1 1.64 .59 .72 .84 36.6 10.7 1.90 .60 .73 .85 35.0 10.3 2.19 .61 .74 .87 33.2 9.7 2.52 .62 .76 .90
67�F(19�C)
1115 525 39.5 11.6 1.64 .60 .74 .87 37.8 11.1 1.89 .62 .76 .89 36.2 10.6 2.18 .63 .77 .91 34.2 10.0 2.51 .64 .79 .94(19�C)
1235 585 40.5 11.9 1.63 .62 .77 .90 39.0 11.4 1.89 .63 .78 .92 37.0 10.8 2.17 .64 .80 .95 35.0 10.3 2.50 .65 .82 .97
71�F985 465 40.5 11.9 1.63 .45 .58 .69 39.0 11.4 1.89 .46 .58 .70 37.0 10.8 2.18 .46 .58 .72 35.4 10.4 2.50 .47 .60 .73
71�F(22�C)
1115 525 41.5 12.2 1.63 .46 .59 .72 40.0 11.7 1.88 .47 .59 .73 38.0 11.1 2.17 .47 .61 .75 36.4 10.7 2.50 .48 .62 .76(22�C)
1235 585 42.5 12.5 1.63 .47 .61 .74 41.0 12.0 1.88 .48 .62 .75 39.0 11.4 2.16 .48 .63 .77 37.2 10.9 2.49 .48 .64 .79
SECOND STAGE COOLING CAPACITY − XC21−048 with [CX34−62D−6F + G61MPV−60D−135][C33−62D + G61MPV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 49.5 14.5 2.88 .75 .88 1.00 47.5 13.9 3.23 .77 .91 1.00 45.0 13.2 3.62 .78 .93 1.00 42.5 12.5 4.06 .80 .96 1.00
63�F(17�C)
1600 755 51.0 14.9 2.89 .78 .93 1.00 49.0 14.4 3.25 .80 .95 1.00 46.5 13.6 3.64 .82 .97 1.00 44.0 12.9 4.08 .84 1.00 1.00(17�C)
1780 840 52.5 15.4 2.91 .81 .96 1.00 50.0 14.7 3.26 .83 .98 1.00 47.5 13.9 3.65 .84 1.00 1.00 45.0 13.2 4.09 .87 1.00 1.00
67�F1400 660 52.5 15.4 2.91 .60 .73 .85 50.0 14.7 3.26 .61 .74 .87 48.0 14.1 3.66 .62 .76 .89 45.5 13.3 4.10 .63 .78 .92
67�F(19�C)
1600 755 54.0 15.8 2.93 .62 .76 .89 52.0 15.2 3.28 .63 .78 .91 49.5 14.5 3.67 .64 .79 .94 46.5 13.6 4.11 .66 .81 .97(19�C)
1780 840 55.5 16.3 2.94 .64 .79 .93 53.0 15.5 3.29 .65 .80 .95 50.5 14.8 3.68 .66 .82 .97 47.5 13.9 4.12 .67 .84 1.00
71�F1400 660 55.5 16.3 2.94 .46 .59 .70 53.0 15.5 3.29 .46 .59 .72 50.5 14.8 3.69 .47 .61 .73 48.0 14.1 4.13 .48 .62 .75
71�F(22�C)
1600 755 57.0 16.7 2.96 .47 .60 .73 55.0 16.1 3.31 .48 .62 .75 52.0 15.2 3.71 .48 .63 .77 49.0 14.4 4.15 .49 .64 .79(22�C)
1780 840 58.5 17.1 2.97 .48 .63 .76 56.0 16.4 3.33 .49 .64 .78 53.0 15.5 3.72 .49 .65 .80 50.5 14.8 4.16 .50 .66 .82
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 4 TON
DOWN−FLOW INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 87
FIRST STAGE COOLING CAPACITY − XC21−048 with [CR26−48N/W−2F]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1100 520 35.0 10.3 1.63 .77 .90 1.00 33.6 9.8 1.89 .78 .92 1.00 32.0 9.4 2.18 .80 .94 1.00 30.4 8.9 2.51 .82 .97 1.00
63�F(17�C)
1200 565 35.6 10.4 1.63 .78 .93 1.00 34.2 10.0 1.89 .80 .95 1.00 32.6 9.6 2.17 .82 .97 1.00 31.0 9.1 2.51 .84 .99 1.00(17�C)
1300 615 36.2 10.6 1.63 .80 .95 1.00 34.8 10.2 1.88 .82 .97 1.00 33.2 9.7 2.17 .84 .99 1.00 31.6 9.3 2.50 .86 1.00 1.00
67�F1100 520 37.4 11.0 1.62 .61 .74 .87 35.8 10.5 1.88 .63 .76 .88 34.2 10.0 2.16 .63 .77 .91 32.6 9.6 2.49 .64 .79 .93
67�F(19�C)
1200 565 38.0 11.1 1.62 .63 .76 .89 36.6 10.7 1.87 .63 .77 .91 34.8 10.2 2.16 .64 .79 .93 33.0 9.7 2.49 .66 .81 .96(19�C)
1300 615 39.0 11.4 1.62 .64 .78 .91 37.2 10.9 1.87 .65 .79 .93 35.4 10.4 2.16 .66 .81 .96 33.6 9.8 2.48 .67 .83 .98
71�F1100 520 40.0 11.7 1.62 .47 .60 .72 38.0 11.1 1.87 .47 .61 .73 36.4 10.7 2.15 .48 .62 .74 34.6 10.1 2.47 .49 .63 .76
71�F(22�C)
1200 565 40.5 11.9 1.62 .47 .61 .73 39.0 11.4 1.87 .48 .62 .75 37.2 10.9 2.15 .48 .63 .76 35.2 10.3 2.46 .49 .64 .78(22�C)
1300 615 41.0 12.0 1.62 .48 .62 .75 39.5 11.6 1.86 .49 .63 .76 37.8 11.1 2.14 .49 .64 .78 35.8 10.5 2.46 .50 .66 .80
SECOND STAGE COOLING CAPACITY − XC21−048 with [CR26−48N/W−2F]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 46.5 13.6 2.84 .76 .88 1.00 44.5 13.0 3.18 .77 .90 1.00 42.0 12.3 3.57 .78 .92 1.00 40.0 11.7 3.99 .80 .95 1.00
63�F(17�C)
1600 755 47.5 13.9 2.85 .78 .92 1.00 45.5 13.3 3.20 .79 .94 1.00 43.5 12.7 3.58 .81 .96 1.00 41.0 12.0 4.01 .83 .99 1.00(17�C)
1800 850 49.0 14.4 2.86 .80 .95 1.00 46.5 13.6 3.21 .82 .97 1.00 44.5 13.0 3.59 .84 .99 1.00 42.0 12.3 4.02 .86 1.00 1.00
67�F1400 660 49.5 14.5 2.87 .61 .73 .85 47.5 13.9 3.21 .62 .74 .87 45.0 13.2 3.60 .63 .76 .89 42.5 12.5 4.03 .64 .78 .91
67�F(19�C)
1600 755 50.5 14.8 2.88 .63 .76 .89 48.5 14.2 3.23 .63 .77 .90 46.0 13.5 3.61 .64 .79 .93 43.5 12.7 4.04 .66 .81 .96(19�C)
1800 850 52.0 15.2 2.89 .64 .78 .92 49.5 14.5 3.24 .65 .80 .94 47.0 13.8 3.62 .66 .81 .96 44.5 13.0 4.05 .68 .84 .99
71�F1400 660 52.5 15.4 2.90 .47 .59 .71 50.0 14.7 3.24 .47 .60 .72 47.5 13.9 3.63 .48 .61 .73 45.0 13.2 4.06 .48 .62 .75
71�F(22�C)
1600 755 53.5 15.7 2.91 .48 .61 .73 51.5 15.1 3.26 .48 .62 .75 49.0 14.4 3.65 .49 .63 .76 46.0 13.5 4.08 .49 .64 .78(22�C)
1800 850 55.0 16.1 2.93 .49 .63 .76 52.5 15.4 3.27 .49 .64 .77 50.0 14.7 3.66 .49 .65 .79 47.0 13.8 4.09 .50 .66 .81
FIRST STAGE COOLING CAPACITY − XC21−048 with [CR26−60N/W−2F]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1100 520 36.2 10.6 1.63 .78 .92 1.00 34.8 10.2 1.88 .79 .94 1.00 33.0 9.7 2.17 .81 .96 1.00 31.4 9.2 2.50 .83 .99 1.00
63�F(17�C)
1200 565 37.0 10.8 1.63 .80 .95 1.00 35.4 10.4 1.88 .81 .97 1.00 33.8 9.9 2.16 .83 .99 1.00 32.2 9.4 2.49 .86 1.00 1.00(17�C)
1300 615 37.6 11.0 1.62 .82 .97 1.00 36.0 10.6 1.88 .83 .99 1.00 34.6 10.1 2.16 .85 1.00 1.00 33.0 9.7 2.48 .88 1.00 1.00
67�F1100 520 38.5 11.3 1.62 .62 .75 .88 37.2 10.9 1.87 .63 .77 .90 35.4 10.4 2.15 .64 .78 .93 33.6 9.8 2.48 .65 .80 .95
67�F(19�C)
1200 565 39.5 11.6 1.62 .63 .77 .91 37.8 11.1 1.87 .64 .79 .93 36.0 10.6 2.15 .65 .81 .95 34.2 10.0 2.47 .67 .83 .98(19�C)
1300 615 40.0 11.7 1.62 .65 .79 .94 38.5 11.3 1.87 .65 .81 .96 36.6 10.7 2.15 .67 .83 .98 34.6 10.1 2.47 .68 .85 1.00
71�F1100 520 41.0 12.0 1.62 .47 .61 .73 39.5 11.6 1.86 .48 .61 .74 37.6 11.0 2.14 .48 .62 .76 35.8 10.5 2.47 .49 .64 .78
71�F(22�C)
1200 565 42.0 12.3 1.62 .48 .62 .75 40.0 11.7 1.86 .48 .63 .76 38.5 11.3 2.14 .49 .64 .78 36.4 10.7 2.46 .50 .65 .80(22�C)
1300 615 42.5 12.5 1.61 .48 .63 .77 41.0 12.0 1.86 .49 .64 .78 39.0 11.4 2.14 .50 .65 .80 37.0 10.8 2.46 .51 .67 .82
SECOND STAGE COOLING CAPACITY − XC21−048 with [CR26−60N/W−2F]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 48.0 14.1 2.85 .77 .90 1.00 46.0 13.5 3.20 .78 .92 1.00 43.5 12.7 3.58 .80 .95 1.00 41.0 12.0 4.01 .82 .97 1.00
63�F(17�C)
1600 755 49.5 14.5 2.87 .80 .94 1.00 47.5 13.9 3.21 .81 .96 1.00 45.0 13.2 3.60 .83 .98 1.00 42.5 12.5 4.03 .85 1.00 1.00(17�C)
1800 850 50.5 14.8 2.88 .82 .98 1.00 48.5 14.2 3.23 .84 .99 1.00 46.5 13.6 3.61 .86 1.00 1.00 44.0 12.9 4.05 .89 1.00 1.00
67�F1400 660 51.0 14.9 2.89 .62 .74 .87 49.0 14.4 3.23 .62 .76 .89 46.5 13.6 3.62 .63 .77 .91 44.0 12.9 4.04 .65 .79 .94
67�F(19�C)
1600 755 52.5 15.4 2.90 .63 .77 .91 50.5 14.8 3.25 .64 .79 .93 47.5 13.9 3.63 .65 .81 .95 45.0 13.2 4.06 .67 .83 .98(19�C)
1800 850 53.5 15.7 2.91 .65 .80 .95 51.5 15.1 3.26 .66 .82 .97 48.5 14.2 3.64 .67 .84 .99 46.0 13.5 4.08 .69 .86 1.00
71�F1400 660 54.0 15.8 2.92 .47 .60 .72 52.0 15.2 3.26 .47 .61 .73 49.5 14.5 3.65 .47 .62 .75 46.5 13.6 4.08 .48 .63 .77
71�F(22�C)
1600 755 55.5 16.3 2.94 .48 .62 .76 53.0 15.5 3.28 .48 .63 .76 50.5 14.8 3.67 .49 .64 .78 47.5 13.9 4.10 .50 .66 .81(22�C)
1800 850 57.0 16.7 2.95 .49 .64 .78 54.5 16.0 3.30 .49 .65 .80 51.5 15.1 3.68 .50 .66 .82 48.5 14.2 4.11 .51 .68 .84
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 4 TON
DOWN−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 88
FIRST STAGE COOLING CAPACITY − XC21−048 with [CR26−48N−F + G60DFV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1050 495 34.6 10.1 1.64 .75 .88 1.00 33.2 9.7 1.91 .76 .90 1.00 31.6 9.3 2.20 .78 .92 1.00 29.8 8.7 2.54 .79 .94 1.00
63�F(17�C)
1165 550 35.4 10.4 1.64 .77 .91 1.00 33.8 9.9 1.90 .78 .93 1.00 32.4 9.5 2.19 .80 .95 1.00 30.6 9.0 2.53 .82 .98 1.00(17�C)
1280 605 36.0 10.6 1.64 .79 .94 1.00 34.6 10.1 1.90 .80 .96 1.00 32.8 9.6 2.19 .82 .98 1.00 31.4 9.2 2.51 .84 1.00 1.00
67�F1050 495 37.0 10.8 1.63 .60 .72 .85 35.4 10.4 1.89 .61 .74 .86 33.8 9.9 2.18 .62 .75 .88 32.0 9.4 2.51 .63 .77 .91
67�F(19�C)
1165 550 37.8 11.1 1.63 .61 .74 .87 36.2 10.6 1.89 .62 .76 .89 34.6 10.1 2.17 .63 .77 .91 32.8 9.6 2.50 .64 .79 .94(19�C)
1280 605 38.5 11.3 1.63 .62 .76 .90 37.0 10.8 1.88 .63 .78 .92 35.2 10.3 2.17 .64 .79 .94 33.4 9.8 2.50 .66 .82 .97
71�F1050 495 39.5 11.6 1.63 .45 .58 .70 37.6 11.0 1.88 .46 .59 .71 36.0 10.6 2.16 .46 .60 .72 34.2 10.0 2.49 .46 .61 .74
71�F(22�C)
1165 550 40.0 11.7 1.62 .46 .60 .72 38.5 11.3 1.88 .46 .61 .73 36.8 10.8 2.16 .47 .61 .75 35.0 10.3 2.49 .48 .63 .77(22�C)
1280 605 41.0 12.0 1.62 .47 .61 .74 39.5 11.6 1.88 .47 .62 .75 37.6 11.0 2.16 .48 .63 .77 35.6 10.4 2.48 .49 .64 .79
SECOND STAGE COOLING CAPACITY − XC21−048 with [CR26−48N−F + G60DFV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1510 715 47.0 13.8 2.85 .76 .90 1.00 45.0 13.2 3.20 .78 .92 1.00 43.0 12.6 3.59 .79 .94 1.00 40.5 11.9 4.02 .81 .97 1.00
63�F(17�C)
1685 795 48.5 14.2 2.86 .78 .93 1.00 46.0 13.5 3.21 .80 .95 1.00 44.0 12.9 3.60 .82 .97 1.00 41.5 12.2 4.03 .84 .99 1.00(17�C)
1860 880 49.0 14.4 2.87 .81 .96 1.00 47.0 13.8 3.22 .82 .98 1.00 44.5 13.0 3.61 .84 .99 1.00 42.5 12.5 4.04 .87 1.00 1.00
67�F1510 715 50.0 14.7 2.88 .61 .74 .86 48.0 14.1 3.23 .62 .75 .88 45.5 13.3 3.62 .63 .77 .90 43.0 12.6 4.05 .64 .79 .93
67�F(19�C)
1685 795 51.5 15.1 2.89 .63 .76 .89 49.0 14.4 3.24 .64 .78 .91 46.5 13.6 3.63 .65 .79 .94 44.0 12.9 4.07 .66 .81 .97(19�C)
1860 880 52.5 15.4 2.90 .64 .78 .93 50.0 14.7 3.25 .65 .80 .95 47.5 13.9 3.64 .66 .82 .97 44.5 13.0 4.08 .68 .84 .99
71�F1510 715 53.0 15.5 2.91 .47 .60 .71 51.0 14.9 3.27 .47 .61 .73 48.5 14.2 3.65 .47 .62 .74 46.0 13.5 4.09 .48 .63 .76
71�F(22�C)
1685 795 54.5 16.0 2.92 .47 .61 .74 52.0 15.2 3.27 .48 .62 .75 49.5 14.5 3.66 .49 .63 .77 46.5 13.6 4.10 .49 .65 .79(22�C)
1860 880 55.5 16.3 2.94 .48 .63 .76 53.0 15.5 3.29 .49 .64 .78 50.5 14.8 3.67 .49 .65 .79 47.5 13.9 4.11 .50 .66 .82
FIRST STAGE COOLING CAPACITY − XC21−048 with [CR26−48N−F + G61MPV−60C−110]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F805 380 32.2 9.4 1.64 .71 .82 .93 31.0 9.1 1.91 .72 .84 .95 29.6 8.7 2.20 .73 .85 .97 28.0 8.2 2.54 .74 .87 .99
63�F(17�C)
925 435 33.4 9.8 1.64 .73 .85 .97 32.0 9.4 1.90 .74 .87 .99 30.6 9.0 2.19 .75 .89 1.00 29.0 8.5 2.52 .77 .91 1.00(17�C)
1050 495 34.4 10.1 1.63 .75 .88 1.00 33.0 9.7 1.89 .76 .90 1.00 31.4 9.2 2.18 .78 .92 1.00 29.8 8.7 2.52 .79 .95 1.00
67�F805 380 34.4 10.1 1.63 .57 .68 .79 33.0 9.7 1.89 .58 .69 .80 31.6 9.3 2.18 .59 .70 .82 30.0 8.8 2.51 .60 .72 .84
67�F(19�C)
925 435 35.8 10.5 1.63 .59 .70 .82 34.4 10.1 1.89 .59 .72 .83 32.8 9.6 2.17 .60 .73 .85 31.0 9.1 2.50 .61 .74 .87(19�C)
1050 495 36.8 10.8 1.62 .60 .73 .85 35.4 10.4 1.88 .61 .74 .86 33.8 9.9 2.17 .62 .75 .88 32.0 9.4 2.50 .63 .77 .91
71�F805 380 36.4 10.7 1.62 .44 .55 .66 35.0 10.3 1.88 .44 .56 .67 33.6 9.8 2.17 .45 .57 .68 32.0 9.4 2.49 .45 .58 .69
71�F(22�C)
925 435 38.0 11.1 1.62 .45 .57 .68 36.4 10.7 1.87 .45 .58 .69 35.0 10.3 2.16 .45 .59 .70 33.2 9.7 2.48 .46 .60 .72(22�C)
1050 495 39.0 11.4 1.62 .46 .59 .70 37.6 11.0 1.87 .46 .59 .71 36.0 10.6 2.15 .46 .60 .73 34.0 10.0 2.47 .46 .61 .74
SECOND STAGE COOLING CAPACITY − XC21−048 with [CR26−48N−F + G61MPV−60C−110]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1405 665 46.5 13.6 2.83 .75 .88 .99 44.5 13.0 3.18 .76 .90 1.00 42.0 12.3 3.57 .78 .92 1.00 39.5 11.6 3.99 .80 .95 1.00
63�F(17�C)
1610 760 47.5 13.9 2.85 .78 .92 1.00 45.5 13.3 3.19 .79 .94 1.00 43.5 12.7 3.58 .81 .96 1.00 41.0 12.0 4.01 .83 .98 1.00(17�C)
1795 845 48.5 14.2 2.86 .80 .95 1.00 46.5 13.6 3.21 .82 .97 1.00 44.0 12.9 3.59 .83 .99 1.00 42.0 12.3 4.02 .86 1.00 1.00
67�F1405 665 49.5 14.5 2.87 .61 .73 .85 47.0 13.8 3.21 .61 .74 .86 45.0 13.2 3.60 .62 .75 .88 42.5 12.5 4.03 .63 .77 .91
67�F(19�C)
1610 760 50.5 14.8 2.88 .62 .75 .88 48.5 14.2 3.23 .63 .77 .90 46.0 13.5 3.61 .64 .78 .93 43.5 12.7 4.04 .65 .81 .96(19�C)
1795 845 52.0 15.2 2.89 .64 .78 .92 49.5 14.5 3.24 .65 .79 .94 47.0 13.8 3.62 .66 .81 .96 44.5 13.0 4.05 .67 .83 .99
71�F1405 665 52.0 15.2 2.90 .46 .59 .70 50.0 14.7 3.24 .46 .60 .72 47.5 13.9 3.63 .47 .61 .73 45.0 13.2 4.06 .48 .62 .75
71�F(22�C)
1610 760 53.5 15.7 2.91 .47 .61 .73 51.5 15.1 3.26 .48 .62 .74 49.0 14.4 3.65 .48 .63 .76 46.0 13.5 4.08 .48 .64 .78(22�C)
1795 845 55.0 16.1 2.93 .48 .62 .75 52.5 15.4 3.27 .49 .63 .77 50.0 14.7 3.66 .49 .65 .79 47.0 13.8 4.09 .50 .66 .81
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 4 TON
DOWN−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 89
FIRST STAGE COOLING CAPACITY − XC21−048 with [CR26−60W−F + G60DFV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1045 495 35.6 10.4 1.64 .76 .89 1.00 34.2 10.0 1.90 .77 .91 1.00 32.6 9.6 2.19 .79 .94 1.00 30.8 9.0 2.53 .81 .96 1.00
63�F(17�C)
1160 550 36.6 10.7 1.63 .78 .93 1.00 35.0 10.3 1.89 .79 .95 1.00 33.2 9.7 2.18 .81 .97 1.00 31.6 9.3 2.51 .83 .99 1.00(17�C)
1270 600 37.2 10.9 1.63 .80 .96 1.00 35.6 10.4 1.89 .82 .98 1.00 34.2 10.0 2.18 .84 .99 1.00 32.6 9.6 2.50 .86 1.00 1.00
67�F1045 495 38.0 11.1 1.63 .60 .73 .86 36.6 10.7 1.88 .61 .74 .88 34.8 10.2 2.17 .62 .76 .90 33.0 9.7 2.50 .63 .78 .92
67�F(19�C)
1160 550 39.0 11.4 1.63 .62 .75 .89 37.4 11.0 1.88 .63 .77 .91 35.8 10.5 2.17 .64 .79 .93 33.8 9.9 2.50 .65 .81 .96(19�C)
1270 600 40.0 11.7 1.63 .63 .78 .92 38.0 11.1 1.88 .64 .79 .94 36.4 10.7 2.17 .65 .81 .96 34.4 10.1 2.49 .66 .83 .99
71�F1045 495 40.5 11.9 1.62 .45 .59 .71 39.0 11.4 1.88 .46 .60 .72 37.0 10.8 2.16 .46 .60 .73 35.2 10.3 2.48 .47 .62 .75
71�F(22�C)
1160 550 41.5 12.2 1.62 .46 .60 .73 40.0 11.7 1.87 .47 .61 .74 38.0 11.1 2.15 .47 .62 .76 36.0 10.6 2.48 .48 .63 .78(22�C)
1270 600 42.5 12.5 1.62 .47 .62 .75 40.5 11.9 1.87 .47 .63 .77 38.5 11.3 2.15 .48 .64 .78 36.6 10.7 2.47 .49 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−048 with [CR26−60W−F + G60DFV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1500 710 49.0 14.4 2.87 .77 .92 1.00 46.5 13.6 3.21 .79 .94 1.00 44.5 13.0 3.60 .81 .96 1.00 42.0 12.3 4.04 .83 .98 1.00
63�F(17�C)
1680 795 50.0 14.7 2.88 .80 .95 1.00 48.0 14.1 3.23 .82 .97 1.00 45.5 13.3 3.62 .84 .99 1.00 43.0 12.6 4.05 .86 1.00 1.00(17�C)
1865 880 51.0 14.9 2.89 .83 .98 1.00 49.0 14.4 3.24 .85 .99 1.00 46.5 13.6 3.63 .87 1.00 1.00 44.5 13.0 4.07 .90 1.00 1.00
67�F1500 710 52.0 15.2 2.90 .62 .75 .88 49.5 14.5 3.25 .63 .76 .90 47.0 13.8 3.64 .64 .78 .93 44.5 13.0 4.07 .65 .80 .95
67�F(19�C)
1680 795 53.0 15.5 2.91 .63 .78 .92 51.0 14.9 3.26 .64 .79 .94 48.0 14.1 3.65 .66 .81 .96 45.5 13.3 4.08 .67 .84 .99(19�C)
1865 880 54.0 15.8 2.92 .65 .80 .95 51.5 15.1 3.27 .66 .82 .97 49.0 14.4 3.66 .68 .84 .99 46.0 13.5 4.09 .69 .87 1.00
71�F1500 710 55.0 16.1 2.93 .46 .60 .73 52.5 15.4 3.28 .47 .61 .74 50.0 14.7 3.67 .47 .62 .76 47.0 13.8 4.11 .48 .64 .78
71�F(22�C)
1680 795 56.0 16.4 2.95 .47 .62 .75 54.0 15.8 3.30 .48 .63 .77 51.0 14.9 3.69 .49 .64 .79 48.5 14.2 4.12 .49 .66 .81(22�C)
1865 880 57.5 16.9 2.96 .49 .64 .78 55.0 16.1 3.31 .49 .65 .80 52.0 15.2 3.70 .50 .66 .82 49.0 14.4 4.13 .51 .68 .85
FIRST STAGE COOLING CAPACITY − XC21−048 with [CR26−60W−F + G61MPV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F985 465 35.2 10.3 1.63 .75 .88 .99 33.6 9.8 1.89 .76 .90 1.00 32.0 9.4 2.18 .77 .92 1.00 30.4 8.9 2.51 .79 .94 1.00
63�F(17�C)
1115 525 36.2 10.6 1.63 .77 .92 1.00 34.6 10.1 1.88 .79 .94 1.00 33.0 9.7 2.17 .80 .96 1.00 31.2 9.1 2.50 .82 .98 1.00(17�C)
1235 585 37.0 10.8 1.63 .80 .95 1.00 35.4 10.4 1.88 .81 .97 1.00 33.8 9.9 2.16 .83 .99 1.00 32.2 9.4 2.49 .85 1.00 1.00
67�F985 465 37.4 11.0 1.62 .60 .72 .84 36.0 10.6 1.88 .60 .73 .86 34.4 10.1 2.16 .61 .75 .88 32.6 9.6 2.49 .62 .76 .90
67�F(19�C)
1115 525 38.5 11.3 1.62 .61 .75 .88 37.0 10.8 1.87 .62 .76 .90 35.4 10.4 2.15 .63 .78 .92 33.4 9.8 2.48 .64 .80 .95(19�C)
1235 585 39.5 11.6 1.62 .63 .77 .91 37.8 11.1 1.87 .64 .79 .93 36.0 10.6 2.15 .65 .80 .96 34.2 10.0 2.48 .66 .83 .98
71�F985 465 39.5 11.6 1.62 .45 .58 .70 38.0 11.1 1.87 .45 .59 .71 36.4 10.7 2.15 .46 .60 .72 34.6 10.1 2.47 .46 .61 .74
71�F(22�C)
1115 525 41.0 12.0 1.62 .46 .60 .72 39.5 11.6 1.86 .46 .61 .73 37.6 11.0 2.15 .47 .62 .75 35.6 10.4 2.47 .48 .63 .77(22�C)
1235 585 42.0 12.3 1.62 .47 .61 .74 40.5 11.9 1.86 .47 .62 .76 38.5 11.3 2.14 .48 .63 .78 36.4 10.7 2.46 .49 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−048 with [CR26−60W−F + G61MPV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 48.0 14.1 2.85 .76 .90 1.00 46.0 13.5 3.19 .77 .92 1.00 43.5 12.7 3.58 .79 .94 1.00 41.0 12.0 4.01 .81 .97 1.00
63�F(17�C)
1600 755 49.5 14.5 2.86 .79 .94 1.00 47.0 13.8 3.21 .81 .96 1.00 44.5 13.0 3.59 .83 .98 1.00 42.5 12.5 4.02 .85 1.00 1.00(17�C)
1780 840 50.5 14.8 2.88 .82 .97 1.00 48.0 14.1 3.22 .83 .99 1.00 46.0 13.5 3.61 .85 1.00 1.00 43.5 12.7 4.04 .88 1.00 1.00
67�F1400 660 51.0 14.9 2.88 .61 .74 .86 49.0 14.4 3.23 .62 .75 .88 46.5 13.6 3.62 .63 .77 .90 43.5 12.7 4.04 .64 .79 .93
67�F(19�C)
1600 755 52.5 15.4 2.90 .63 .77 .90 50.0 14.7 3.24 .64 .78 .93 47.5 13.9 3.63 .65 .80 .95 45.0 13.2 4.06 .66 .82 .98(19�C)
1780 840 53.5 15.7 2.91 .65 .79 .94 51.0 14.9 3.26 .66 .81 .96 48.5 14.2 3.64 .67 .83 .98 45.5 13.3 4.07 .68 .86 1.00
71�F1400 660 54.0 15.8 2.92 .46 .59 .71 51.5 15.1 3.26 .46 .60 .73 49.0 14.4 3.65 .47 .61 .74 46.5 13.6 4.08 .47 .63 .76
71�F(22�C)
1600 755 55.5 16.3 2.93 .47 .61 .74 53.0 15.5 3.28 .48 .62 .76 50.5 14.8 3.67 .48 .64 .78 47.5 13.9 4.10 .49 .65 .80(22�C)
1780 840 56.5 16.6 2.95 .48 .63 .77 54.0 15.8 3.29 .49 .64 .79 51.5 15.1 3.68 .50 .66 .81 48.5 14.2 4.11 .50 .67 .83
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 4 TON
HORIZONTAL INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 90
FIRST STAGE COOLING CAPACITY − XC21−048 with [CH23−51]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1100 520 35.2 10.3 1.64 .76 .90 1.00 33.8 9.9 1.90 .77 .92 1.00 32.2 9.4 2.19 .79 .94 1.00 30.4 8.9 2.53 .81 .96 1.00
63�F(17�C)
1200 565 36.0 10.6 1.64 .78 .92 1.00 34.4 10.1 1.90 .79 .94 1.00 32.8 9.6 2.19 .81 .96 1.00 31.2 9.1 2.52 .83 .99 1.00(17�C)
1300 615 36.6 10.7 1.64 .80 .95 1.00 35.0 10.3 1.89 .81 .96 1.00 33.4 9.8 2.18 .83 .99 1.00 32.0 9.4 2.51 .85 1.00 1.00
67�F1100 520 37.8 11.1 1.63 .61 .73 .86 36.2 10.6 1.89 .62 .75 .88 34.6 10.1 2.18 .63 .76 .90 32.8 9.6 2.51 .64 .78 .93
67�F(19�C)
1200 565 38.5 11.3 1.63 .62 .75 .88 37.0 10.8 1.89 .63 .77 .90 35.2 10.3 2.17 .64 .78 .93 33.4 9.8 2.50 .65 .80 .95(19�C)
1300 615 39.0 11.4 1.63 .63 .77 .91 37.6 11.0 1.88 .64 .78 .93 35.8 10.5 2.17 .65 .80 .95 33.8 9.9 2.49 .66 .82 .98
71�F1100 520 40.0 11.7 1.62 .47 .59 .71 38.5 11.3 1.88 .47 .60 .72 37.0 10.8 2.16 .48 .61 .74 35.0 10.3 2.49 .48 .62 .76
71�F(22�C)
1200 565 41.0 12.0 1.62 .48 .60 .73 39.5 11.6 1.87 .47 .61 .74 37.6 11.0 2.16 .48 .62 .76 35.6 10.4 2.48 .49 .63 .78(22�C)
1300 615 41.5 12.2 1.62 .48 .61 .74 40.0 11.7 1.87 .48 .62 .76 38.0 11.1 2.15 .49 .64 .77 36.2 10.6 2.48 .50 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−048 with [CH23−51]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 47.0 13.8 2.84 .75 .88 .99 45.0 13.2 3.19 .76 .89 1.00 42.5 12.5 3.58 .78 .92 1.00 40.0 11.7 4.01 .80 .94 1.00
63�F(17�C)
1600 755 48.0 14.1 2.86 .77 .91 1.00 46.0 13.5 3.21 .79 .93 1.00 43.5 12.7 3.59 .80 .95 1.00 41.0 12.0 4.03 .83 .98 1.00(17�C)
1800 850 49.0 14.4 2.87 .80 .95 1.00 47.0 13.8 3.22 .81 .96 1.00 44.5 13.0 3.61 .83 .99 1.00 42.5 12.5 4.04 .86 1.00 1.00
67�F1400 660 50.0 14.7 2.88 .60 .72 .84 48.0 14.1 3.23 .61 .73 .86 45.5 13.3 3.62 .62 .75 .88 43.0 12.6 4.05 .63 .77 .91
67�F(19�C)
1600 755 51.5 15.1 2.89 .62 .75 .88 49.0 14.4 3.24 .62 .76 .90 46.5 13.6 3.63 .64 .78 .92 44.0 12.9 4.07 .65 .80 .95(19�C)
1800 850 52.5 15.4 2.91 .63 .77 .91 50.0 14.7 3.26 .64 .79 .94 47.5 13.9 3.64 .65 .81 .96 45.0 13.2 4.08 .67 .83 .98
71�F1400 660 53.0 15.5 2.91 .46 .59 .70 50.5 14.8 3.26 .47 .59 .71 48.0 14.1 3.65 .47 .60 .72 45.5 13.3 4.09 .48 .61 .74
71�F(22�C)
1600 755 54.5 16.0 2.93 .47 .60 .72 52.0 15.2 3.28 .47 .61 .74 49.5 14.5 3.67 .48 .62 .76 47.0 13.8 4.10 .49 .64 .78(22�C)
1800 850 55.5 16.3 2.94 .48 .62 .75 53.0 15.5 3.29 .48 .63 .76 50.5 14.8 3.68 .49 .64 .78 48.0 14.1 4.11 .50 .65 .81
FIRST STAGE COOLING CAPACITY − XC21−048 with [CH23−65]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1100 520 35.8 10.5 1.64 .77 .90 1.00 34.2 10.0 1.90 .78 .92 1.00 32.6 9.6 2.19 .80 .95 1.00 30.8 9.0 2.52 .81 .97 1.00
63�F(17�C)
1200 565 36.4 10.7 1.64 .78 .93 1.00 34.8 10.2 1.90 .80 .95 1.00 33.2 9.7 2.18 .81 .97 1.00 31.6 9.3 2.52 .84 .99 1.00(17�C)
1300 615 37.0 10.8 1.63 .80 .95 1.00 35.6 10.4 1.89 .82 .97 1.00 33.8 9.9 2.18 .83 .99 1.00 32.4 9.5 2.51 .86 1.00 1.00
67�F1100 520 38.5 11.3 1.63 .61 .74 .87 36.8 10.8 1.89 .62 .75 .88 35.0 10.3 2.17 .63 .77 .91 33.2 9.7 2.50 .64 .79 .93
67�F(19�C)
1200 565 39.0 11.4 1.63 .62 .76 .89 37.4 11.0 1.88 .63 .77 .91 35.6 10.4 2.17 .64 .79 .94 33.8 9.9 2.49 .65 .81 .96(19�C)
1300 615 39.5 11.6 1.63 .63 .77 .91 38.0 11.1 1.88 .64 .79 .94 36.2 10.6 2.16 .65 .81 .96 34.2 10.0 2.49 .67 .83 .98
71�F1100 520 40.5 11.9 1.62 .47 .60 .71 39.0 11.4 1.88 .47 .60 .72 37.4 11.0 2.16 .48 .61 .74 35.4 10.4 2.48 .48 .63 .76
71�F(22�C)
1200 565 41.5 12.2 1.62 .47 .61 .73 40.0 11.7 1.87 .48 .62 .74 38.0 11.1 2.16 .48 .63 .76 36.2 10.6 2.48 .49 .64 .78(22�C)
1300 615 42.5 12.5 1.62 .48 .62 .75 40.5 11.9 1.87 .48 .63 .76 38.5 11.3 2.15 .49 .64 .78 36.6 10.7 2.47 .50 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−048 with [CH23−65]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 47.5 13.9 2.85 .75 .88 .99 45.5 13.3 3.20 .76 .90 1.00 43.0 12.6 3.59 .78 .92 1.00 40.5 11.9 4.02 .80 .95 1.00
63�F(17�C)
1600 755 49.0 14.4 2.87 .78 .92 1.00 46.5 13.6 3.22 .79 .94 1.00 44.0 12.9 3.60 .81 .96 1.00 42.0 12.3 4.03 .83 .99 1.00(17�C)
1800 850 50.0 14.7 2.88 .80 .95 1.00 47.5 13.9 3.23 .82 .97 1.00 45.5 13.3 3.61 .84 .99 1.00 43.0 12.6 4.06 .87 1.00 1.00
67�F1400 660 50.5 14.8 2.88 .60 .73 .85 48.5 14.2 3.24 .61 .74 .87 46.0 13.5 3.62 .62 .76 .89 43.5 12.7 4.06 .63 .78 .92
67�F(19�C)
1600 755 52.0 15.2 2.90 .62 .75 .88 49.5 14.5 3.25 .63 .77 .90 47.0 13.8 3.64 .64 .79 .93 44.5 13.0 4.07 .65 .81 .96(19�C)
1800 850 53.0 15.5 2.91 .63 .78 .92 51.0 14.9 3.26 .64 .80 .94 48.5 14.2 3.65 .66 .82 .97 45.5 13.3 4.08 .67 .84 .99
71�F1400 660 53.5 15.7 2.92 .46 .59 .70 51.5 15.1 3.26 .46 .59 .71 49.0 14.4 3.66 .47 .61 .73 46.0 13.5 4.10 .48 .62 .75
71�F(22�C)
1600 755 55.0 16.1 2.93 .47 .60 .73 53.0 15.5 3.28 .47 .61 .74 50.0 14.7 3.67 .48 .62 .76 47.5 13.9 4.11 .49 .64 .78(22�C)
1800 850 56.5 16.6 2.95 .48 .62 .75 54.0 15.8 3.30 .49 .63 .77 51.5 15.1 3.69 .49 .64 .79 48.5 14.2 4.12 .50 .66 .81
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 4 TON
HORIZONTAL INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 91
FIRST STAGE COOLING CAPACITY − XC21−048 with [CH23−68]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1100 520 37.0 10.8 1.63 .78 .91 1.00 35.4 10.4 1.89 .79 .93 1.00 33.8 9.9 2.18 .81 .96 1.00 32.0 9.4 2.51 .83 .98 1.00
63�F(17�C)
1200 565 37.8 11.1 1.63 .80 .94 1.00 36.2 10.6 1.89 .81 .96 1.00 34.6 10.1 2.17 .83 .98 1.00 32.8 9.6 2.51 .85 1.00 1.00(17�C)
1300 615 38.5 11.3 1.63 .82 .97 1.00 37.0 10.8 1.88 .83 .99 1.00 35.4 10.4 2.17 .85 1.00 1.00 33.8 9.9 2.49 .88 1.00 1.00
67�F1100 520 39.5 11.6 1.62 .62 .75 .88 38.0 11.1 1.88 .62 .76 .90 36.2 10.6 2.16 .63 .78 .92 34.2 10.0 2.49 .65 .80 .95
67�F(19�C)
1200 565 40.5 11.9 1.62 .63 .77 .91 38.5 11.3 1.88 .64 .78 .93 36.8 10.8 2.16 .65 .80 .95 34.8 10.2 2.49 .66 .82 .97(19�C)
1300 615 41.0 12.0 1.62 .64 .79 .93 39.5 11.6 1.87 .65 .81 .95 37.4 11.0 2.16 .66 .83 .98 35.4 10.4 2.48 .68 .85 1.00
71�F1100 520 42.5 12.5 1.62 .47 .60 .72 40.5 11.9 1.87 .47 .61 .74 39.0 11.4 2.15 .48 .62 .75 36.8 10.8 2.47 .49 .63 .77
71�F(22�C)
1200 565 43.5 12.7 1.62 .48 .61 .74 41.5 12.2 1.87 .48 .62 .76 39.5 11.6 2.14 .49 .63 .78 37.4 11.0 2.47 .49 .65 .80(22�C)
1300 615 44.0 12.9 1.62 .48 .62 .76 42.0 12.3 1.87 .49 .64 .78 40.0 11.7 2.14 .49 .65 .80 38.0 11.1 2.46 .50 .66 .82
SECOND STAGE COOLING CAPACITY − XC21−048 with [CH23−68]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 49.5 14.5 2.87 .76 .90 1.00 47.0 13.8 3.22 .78 .92 1.00 45.0 13.2 3.61 .79 .94 1.00 42.5 12.5 4.05 .82 .96 1.00
63�F(17�C)
1600 755 51.0 14.9 2.89 .79 .94 1.00 48.5 14.2 3.24 .81 .96 1.00 46.5 13.6 3.63 .83 .98 1.00 44.0 12.9 4.06 .85 1.00 1.00(17�C)
1800 850 52.0 15.2 2.90 .82 .97 1.00 50.0 14.7 3.25 .84 .99 1.00 47.5 13.9 3.64 .86 1.00 1.00 45.5 13.3 4.09 .89 1.00 1.00
67�F1400 660 52.5 15.4 2.91 .61 .74 .86 50.5 14.8 3.26 .62 .75 .88 48.0 14.1 3.65 .63 .77 .90 45.0 13.2 4.08 .64 .79 .93
67�F(19�C)
1600 755 54.0 15.8 2.92 .63 .77 .90 52.0 15.2 3.27 .64 .78 .93 49.0 14.4 3.66 .65 .80 .95 46.5 13.6 4.09 .66 .83 .97(19�C)
1800 850 55.5 16.3 2.94 .65 .80 .94 53.0 15.5 3.29 .66 .82 .96 50.5 14.8 3.67 .67 .84 .99 47.5 13.9 4.11 .69 .86 1.00
71�F1400 660 56.0 16.4 2.94 .47 .59 .71 53.5 15.7 3.29 .47 .60 .73 51.0 14.9 3.69 .48 .61 .74 48.0 14.1 4.12 .48 .63 .76
71�F(22�C)
1600 755 57.5 16.9 2.96 .48 .61 .74 55.0 16.1 3.31 .48 .62 .76 52.5 15.4 3.70 .49 .64 .78 49.5 14.5 4.14 .50 .65 .80(22�C)
1800 850 59.0 17.3 2.98 .48 .63 .77 56.5 16.6 3.33 .49 .64 .79 53.5 15.7 3.72 .50 .66 .81 50.5 14.8 4.15 .51 .67 .84
FIRST STAGE COOLING CAPACITY − XC21−048 with [CH33−44/48B−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1100 520 36.6 10.7 1.63 .77 .91 1.00 35.0 10.3 1.89 .79 .93 1.00 33.4 9.8 2.18 .80 .95 1.00 31.6 9.3 2.52 .82 .98 1.00
63�F(17�C)
1200 565 37.2 10.9 1.63 .79 .93 1.00 35.8 10.5 1.89 .80 .95 1.00 34.0 10.0 2.18 .82 .98 1.00 32.2 9.4 2.51 .84 1.00 1.00(17�C)
1300 615 38.0 11.1 1.63 .80 .96 1.00 36.4 10.7 1.89 .82 .98 1.00 34.6 10.1 2.17 .84 1.00 1.00 33.0 9.7 2.50 .87 1.00 1.00
67�F1100 520 39.0 11.4 1.63 .61 .74 .87 37.4 11.0 1.88 .63 .76 .89 35.6 10.4 2.17 .63 .77 .91 33.8 9.9 2.49 .64 .79 .94
67�F(19�C)
1200 565 39.5 11.6 1.63 .63 .76 .90 38.0 11.1 1.88 .64 .78 .92 36.2 10.6 2.16 .65 .79 .94 34.4 10.1 2.48 .65 .81 .96(19�C)
1300 615 40.5 11.9 1.62 .64 .78 .92 38.5 11.3 1.88 .65 .80 .94 36.8 10.8 2.16 .65 .81 .96 34.8 10.2 2.49 .67 .83 .99
71�F1100 520 41.5 12.2 1.62 .47 .59 .72 39.5 11.6 1.87 .48 .61 .73 38.0 11.1 2.15 .48 .62 .75 36.0 10.6 2.48 .49 .63 .76
71�F(22�C)
1200 565 42.0 12.3 1.62 .48 .61 .74 40.5 11.9 1.87 .48 .62 .75 38.5 11.3 2.15 .49 .63 .77 36.6 10.7 2.47 .49 .64 .79(22�C)
1300 615 43.0 12.6 1.62 .48 .62 .75 41.0 12.0 1.87 .49 .63 .76 39.5 11.6 2.15 .49 .64 .79 37.2 10.9 2.47 .50 .66 .81
SECOND STAGE COOLING CAPACITY − XC21−048 with [CH33−44/48B−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 48.5 14.2 2.86 .75 .88 1.00 46.5 13.6 3.21 .77 .90 1.00 44.0 12.9 3.60 .79 .93 1.00 41.5 12.2 4.03 .80 .95 1.00
63�F(17�C)
1600 755 50.0 14.7 2.88 .78 .92 1.00 47.5 13.9 3.23 .80 .94 1.00 45.5 13.3 3.62 .81 .97 1.00 43.0 12.6 4.05 .84 .99 1.00(17�C)
1800 850 51.0 14.9 2.89 .81 .96 1.00 49.0 14.4 3.24 .82 .98 1.00 46.5 13.6 3.63 .84 1.00 1.00 44.0 12.9 4.06 .87 1.00 1.00
67�F1400 660 51.5 15.1 2.89 .60 .73 .85 49.0 14.4 3.24 .61 .74 .87 47.0 13.8 3.63 .62 .76 .89 44.0 12.9 4.07 .64 .78 .92
67�F(19�C)
1600 755 53.0 15.5 2.91 .62 .76 .88 50.5 14.8 3.26 .63 .77 .91 48.0 14.1 3.65 .64 .79 .93 45.5 13.3 4.09 .66 .81 .96(19�C)
1800 850 54.0 15.8 2.92 .64 .78 .92 51.5 15.1 3.27 .65 .80 .94 49.0 14.4 3.66 .66 .82 .97 46.5 13.6 4.09 .67 .84 .99
71�F1400 660 54.5 16.0 2.92 .47 .59 .71 52.0 15.2 3.27 .47 .60 .72 49.5 14.5 3.67 .48 .61 .73 47.0 13.8 4.10 .48 .62 .75
71�F(22�C)
1600 755 56.0 16.4 2.94 .48 .60 .73 53.5 15.7 3.29 .48 .61 .75 51.0 14.9 3.69 .49 .63 .76 48.5 14.2 4.12 .49 .64 .79(22�C)
1800 850 57.5 16.9 2.96 .49 .62 .76 55.0 16.1 3.31 .49 .63 .77 52.0 15.2 3.70 .50 .65 .80 49.0 14.4 4.13 .50 .66 .81
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 4 TON
HORIZONTAL INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 92
FIRST STAGE COOLING CAPACITY − XC21−048 with [CH33−50/60C−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1100 520 37.0 10.8 1.63 .77 .91 1.00 35.4 10.4 1.89 .79 .93 1.00 33.8 9.9 2.18 .81 .96 1.00 32.0 9.4 2.51 .83 .98 1.00
63�F(17�C)
1200 565 37.8 11.1 1.63 .79 .94 1.00 36.2 10.6 1.89 .81 .96 1.00 34.4 10.1 2.17 .83 .98 1.00 32.6 9.6 2.50 .85 1.00 1.00(17�C)
1300 615 38.5 11.3 1.63 .81 .97 1.00 36.8 10.8 1.88 .83 .99 1.00 35.0 10.3 2.17 .85 1.00 1.00 33.6 9.8 2.50 .87 1.00 1.00
67�F1100 520 39.5 11.6 1.63 .62 .75 .88 37.8 11.1 1.88 .63 .76 .90 36.0 10.6 2.16 .64 .78 .92 34.2 10.0 2.49 .65 .80 .95
67�F(19�C)
1200 565 40.5 11.9 1.63 .63 .77 .90 38.5 11.3 1.88 .64 .78 .92 36.8 10.8 2.16 .65 .80 .95 34.8 10.2 2.48 .66 .82 .97(19�C)
1300 615 41.0 12.0 1.62 .64 .79 .93 39.0 11.4 1.87 .65 .80 .95 37.4 11.0 2.16 .66 .82 .97 35.4 10.4 2.48 .68 .85 1.00
71�F1100 520 42.0 12.3 1.62 .47 .60 .72 40.0 11.7 1.87 .48 .61 .74 38.5 11.3 2.15 .48 .62 .75 36.4 10.7 2.48 .49 .63 .77
71�F(22�C)
1200 565 43.0 12.6 1.62 .48 .61 .74 41.0 12.0 1.87 .48 .62 .75 39.0 11.4 2.15 .49 .63 .77 37.2 10.9 2.47 .49 .64 .79(22�C)
1300 615 43.5 12.7 1.62 .49 .63 .76 41.5 12.2 1.87 .49 .63 .78 40.0 11.7 2.14 .49 .65 .79 37.8 11.1 2.47 .50 .66 .81
SECOND STAGE COOLING CAPACITY − XC21−048 with [CH33−50/60C−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 49.0 14.4 2.87 .76 .89 1.00 47.0 13.8 3.22 .77 .91 1.00 44.5 13.0 3.61 .79 .93 1.00 42.0 12.3 4.04 .81 .96 1.00
63�F(17�C)
1600 755 50.5 14.8 2.88 .79 .93 1.00 48.5 14.2 3.24 .80 .95 1.00 46.0 13.5 3.62 .82 .98 1.00 43.5 12.7 4.05 .84 1.00 1.00(17�C)
1800 850 52.0 15.2 2.90 .81 .97 1.00 49.5 14.5 3.25 .83 .99 1.00 47.0 13.8 3.63 .85 1.00 1.00 44.5 13.0 4.07 .88 1.00 1.00
67�F1400 660 52.0 15.2 2.90 .61 .73 .85 50.0 14.7 3.25 .62 .75 .87 47.5 13.9 3.64 .63 .76 .90 45.0 13.2 4.07 .64 .78 .93
67�F(19�C)
1600 755 54.0 15.8 2.92 .62 .76 .90 51.5 15.1 3.27 .63 .78 .92 49.0 14.4 3.66 .65 .80 .94 46.0 13.5 4.09 .66 .82 .97(19�C)
1800 850 55.0 16.1 2.93 .64 .79 .93 52.5 15.4 3.28 .65 .81 .96 50.0 14.7 3.67 .66 .83 .98 47.0 13.8 4.10 .68 .85 1.00
71�F1400 660 55.5 16.3 2.94 .47 .59 .71 53.0 15.5 3.29 .47 .60 .72 50.5 14.8 3.68 .48 .61 .74 47.5 13.9 4.11 .48 .62 .76
71�F(22�C)
1600 755 57.0 16.7 2.95 .48 .61 .74 54.5 16.0 3.30 .48 .62 .75 52.0 15.2 3.70 .49 .63 .77 49.0 14.4 4.13 .49 .65 .79(22�C)
1800 850 58.0 17.0 2.97 .49 .63 .76 55.5 16.3 3.32 .49 .64 .78 53.0 15.5 3.71 .50 .65 .80 50.0 14.7 4.14 .50 .67 .83
FIRST STAGE COOLING CAPACITY − XC21−048 with [CH33−60D−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1100 520 36.6 10.7 1.63 .77 .91 1.00 35.2 10.3 1.89 .79 .93 1.00 33.6 9.8 2.18 .80 .95 1.00 31.8 9.3 2.52 .82 .98 1.00
63�F(17�C)
1200 565 37.4 11.0 1.63 .79 .94 1.00 35.8 10.5 1.89 .81 .96 1.00 34.2 10.0 2.18 .82 .98 1.00 32.4 9.5 2.50 .85 1.00 1.00(17�C)
1300 615 38.0 11.1 1.63 .81 .96 1.00 36.6 10.7 1.89 .83 .98 1.00 34.8 10.2 2.17 .84 1.00 1.00 33.2 9.7 2.50 .87 1.00 1.00
67�F1100 520 39.0 11.4 1.63 .62 .74 .87 37.4 11.0 1.88 .62 .76 .89 35.8 10.5 2.17 .63 .78 .91 33.8 9.9 2.49 .65 .79 .94
67�F(19�C)
1200 565 40.0 11.7 1.62 .63 .77 .90 38.0 11.1 1.88 .64 .78 .92 36.4 10.7 2.16 .65 .80 .94 34.4 10.1 2.48 .66 .82 .97(19�C)
1300 615 40.5 11.9 1.62 .64 .78 .92 39.0 11.4 1.88 .65 .80 .94 37.0 10.8 2.16 .66 .82 .97 35.0 10.3 2.48 .67 .83 .99
71�F1100 520 41.5 12.2 1.62 .47 .60 .72 40.0 11.7 1.87 .48 .61 .73 38.0 11.1 2.15 .48 .62 .75 36.2 10.6 2.47 .49 .63 .77
71�F(22�C)
1200 565 42.5 12.5 1.62 .48 .61 .74 40.5 11.9 1.87 .48 .62 .75 39.0 11.4 2.15 .49 .63 .77 36.8 10.8 2.47 .50 .64 .79(22�C)
1300 615 43.0 12.6 1.62 .49 .62 .76 41.5 12.2 1.87 .49 .63 .77 39.5 11.6 2.15 .49 .64 .79 37.4 11.0 2.47 .50 .66 .81
SECOND STAGE COOLING CAPACITY − XC21−048 with [CH33−60D−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 48.5 14.2 2.86 .75 .89 1.00 46.5 13.6 3.22 .77 .91 1.00 44.5 13.0 3.60 .79 .93 1.00 42.0 12.3 4.04 .81 .96 1.00
63�F(17�C)
1600 755 50.0 14.7 2.88 .78 .92 1.00 48.0 14.1 3.23 .80 .95 1.00 45.5 13.3 3.62 .82 .97 1.00 43.0 12.6 4.05 .84 .99 1.00(17�C)
1800 850 51.5 15.1 2.89 .81 .96 1.00 49.0 14.4 3.25 .83 .98 1.00 46.5 13.6 3.63 .85 1.00 1.00 44.5 13.0 4.07 .87 1.00 1.00
67�F1400 660 52.0 15.2 2.90 .61 .73 .85 49.5 14.5 3.25 .61 .74 .87 47.0 13.8 3.64 .62 .76 .89 44.5 13.0 4.07 .64 .78 .92
67�F(19�C)
1600 755 53.5 15.7 2.91 .62 .76 .89 51.0 14.9 3.27 .64 .77 .91 48.5 14.2 3.65 .64 .79 .94 45.5 13.3 4.09 .66 .82 .96(19�C)
1800 850 54.5 16.0 2.93 .64 .79 .93 52.0 15.2 3.28 .65 .80 .95 49.5 14.5 3.66 .66 .82 .97 46.5 13.6 4.10 .68 .85 1.00
71�F1400 660 55.0 16.1 2.93 .47 .59 .71 52.5 15.4 3.28 .47 .60 .72 50.0 14.7 3.67 .48 .61 .73 47.5 13.9 4.11 .48 .62 .76
71�F(22�C)
1600 755 56.5 16.6 2.95 .48 .61 .73 54.0 15.8 3.30 .48 .62 .75 51.5 15.1 3.69 .49 .63 .77 48.5 14.2 4.12 .49 .64 .79(22�C)
1800 850 58.0 17.0 2.96 .49 .63 .76 55.0 16.1 3.31 .49 .64 .78 52.5 15.4 3.70 .50 .65 .80 49.5 14.5 4.14 .50 .66 .82
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 4 TON
HORIZONTAL INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 93
FIRST STAGE COOLING CAPACITY − XC21−048 with [CH33−62D−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1100 520 36.8 10.8 1.63 .77 .91 1.00 35.2 10.3 1.89 .79 .93 1.00 33.6 9.8 2.18 .80 .95 1.00 31.8 9.3 2.51 .82 .98 1.00
63�F(17�C)
1200 565 37.6 11.0 1.63 .79 .93 1.00 36.0 10.6 1.89 .81 .95 1.00 34.4 10.1 2.17 .82 .98 1.00 32.4 9.5 2.50 .84 1.00 1.00(17�C)
1300 615 38.5 11.3 1.63 .81 .96 1.00 36.6 10.7 1.89 .82 .98 1.00 35.0 10.3 2.17 .84 1.00 1.00 33.4 9.8 2.50 .87 1.00 1.00
67�F1100 520 39.0 11.4 1.63 .62 .75 .87 37.6 11.0 1.88 .62 .76 .89 35.8 10.5 2.16 .64 .78 .91 34.0 10.0 2.49 .65 .79 .94
67�F(19�C)
1200 565 40.0 11.7 1.63 .63 .76 .89 38.5 11.3 1.88 .64 .78 .92 36.6 10.7 2.16 .65 .80 .94 34.6 10.1 2.48 .66 .82 .97(19�C)
1300 615 40.5 11.9 1.62 .64 .78 .92 39.0 11.4 1.87 .65 .80 .94 37.2 10.9 2.16 .66 .82 .97 35.2 10.3 2.48 .67 .84 .99
71�F1100 520 41.5 12.2 1.62 .47 .60 .72 39.5 11.6 1.87 .48 .61 .73 38.0 11.1 2.16 .48 .62 .75 36.0 10.6 2.48 .49 .63 .77
71�F(22�C)
1200 565 42.5 12.5 1.62 .48 .61 .74 40.5 11.9 1.87 .48 .62 .75 39.0 11.4 2.15 .49 .63 .77 36.8 10.8 2.47 .49 .65 .79(22�C)
1300 615 43.0 12.6 1.62 .48 .62 .75 41.5 12.2 1.87 .49 .63 .77 39.5 11.6 2.14 .49 .65 .79 37.6 11.0 2.47 .50 .66 .81
SECOND STAGE COOLING CAPACITY − XC21−048 with [CH33−62D−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 49.0 14.4 2.86 .76 .88 1.00 47.0 13.8 3.22 .77 .90 1.00 44.5 13.0 3.61 .79 .93 1.00 42.0 12.3 4.04 .81 .96 1.00
63�F(17�C)
1600 755 50.5 14.8 2.88 .78 .92 1.00 48.5 14.2 3.23 .80 .94 1.00 46.0 13.5 3.62 .82 .97 1.00 43.5 12.7 4.05 .84 .99 1.00(17�C)
1800 850 52.0 15.2 2.89 .81 .96 1.00 49.5 14.5 3.25 .82 .98 1.00 47.0 13.8 3.64 .85 1.00 1.00 44.5 13.0 4.07 .87 1.00 1.00
67�F1400 660 52.0 15.2 2.90 .61 .73 .85 50.0 14.7 3.25 .62 .74 .87 47.5 13.9 3.64 .63 .76 .89 45.0 13.2 4.07 .64 .78 .92
67�F(19�C)
1600 755 53.5 15.7 2.92 .62 .76 .89 51.0 14.9 3.27 .63 .77 .91 49.0 14.4 3.66 .65 .79 .93 46.0 13.5 4.10 .66 .81 .96(19�C)
1800 850 55.0 16.1 2.93 .64 .78 .92 52.5 15.4 3.28 .65 .80 .95 50.0 14.7 3.67 .66 .82 .97 47.0 13.8 4.11 .68 .85 1.00
71�F1400 660 55.0 16.1 2.93 .47 .59 .71 52.5 15.4 3.28 .47 .60 .72 50.0 14.7 3.68 .48 .61 .74 47.5 13.9 4.11 .49 .62 .76
71�F(22�C)
1600 755 56.5 16.6 2.95 .48 .61 .73 54.0 15.8 3.30 .48 .62 .75 51.5 15.1 3.69 .49 .63 .77 48.5 14.2 4.13 .49 .64 .79(22�C)
1800 850 58.0 17.0 2.96 .49 .63 .76 55.5 16.3 3.32 .49 .64 .78 52.5 15.4 3.71 .50 .65 .80 50.0 14.7 4.15 .50 .67 .82
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 4 TON
HORIZONTAL INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 94
FIRST STAGE COOLING CAPACITY − − XC21−048 with [CH23−51 + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1015 480 34.6 10.1 1.64 .75 .88 .99 33.2 9.7 1.90 .76 .90 1.00 31.8 9.3 2.20 .78 .92 1.00 30.0 8.8 2.53 .79 .95 1.00
63�F(17�C)
1140 540 35.8 10.5 1.64 .77 .92 1.00 34.2 10.0 1.90 .79 .94 1.00 32.6 9.6 2.19 .80 .96 1.00 31.0 9.1 2.52 .82 .98 1.00(17�C)
1285 605 36.6 10.7 1.64 .80 .95 1.00 35.2 10.3 1.89 .81 .97 1.00 33.6 9.8 2.18 .83 .99 1.00 32.0 9.4 2.52 .86 1.00 1.00
67�F1015 480 37.0 10.8 1.64 .59 .72 .85 35.6 10.4 1.89 .60 .74 .86 34.0 10.0 2.18 .61 .75 .88 32.2 9.4 2.51 .62 .77 .91
67�F(19�C)
1140 540 38.0 11.1 1.63 .61 .75 .88 36.6 10.7 1.89 .62 .76 .90 34.8 10.2 2.17 .63 .78 .92 33.0 9.7 2.50 .64 .80 .95(19�C)
1285 605 39.0 11.4 1.63 .63 .77 .92 37.6 11.0 1.88 .64 .79 .93 35.8 10.5 2.17 .65 .81 .96 33.8 9.9 2.50 .66 .83 .98
71�F1015 480 39.5 11.6 1.62 .46 .58 .70 37.8 11.1 1.88 .46 .59 .71 36.2 10.6 2.17 .46 .60 .72 34.4 10.1 2.49 .47 .61 .74
71�F(22�C)
1140 540 40.5 11.9 1.63 .46 .60 .72 39.0 11.4 1.88 .46 .61 .73 37.2 10.9 2.16 .47 .61 .75 35.2 10.3 2.49 .47 .63 .77(22�C)
1285 605 41.5 12.2 1.62 .47 .61 .75 40.0 11.7 1.87 .48 .62 .76 38.0 11.1 2.15 .48 .63 .78 36.0 10.6 2.48 .49 .65 .80
SECOND STAGE COOLING CAPACITY − − XC21−048 with [CH23−51 + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1460 690 47.5 13.9 2.85 .76 .90 1.00 45.5 13.3 3.20 .78 .92 1.00 43.0 12.6 3.59 .79 .94 1.00 40.5 11.9 4.02 .81 .97 1.00
63�F(17�C)
1635 770 48.5 14.2 2.87 .79 .93 1.00 46.5 13.6 3.22 .80 .95 1.00 44.0 12.9 3.60 .82 .98 1.00 42.0 12.3 4.04 .85 .99 1.00(17�C)
1855 875 50.0 14.7 2.88 .82 .97 1.00 47.5 13.9 3.23 .84 .99 1.00 45.5 13.3 3.62 .86 1.00 1.00 43.5 12.7 4.05 .88 1.00 1.00
67�F1460 690 50.5 14.8 2.88 .61 .74 .87 48.5 14.2 3.23 .62 .75 .89 46.0 13.5 3.62 .63 .77 .91 43.5 12.7 4.06 .64 .79 .93
67�F(19�C)
1635 770 52.0 15.2 2.89 .62 .76 .90 49.5 14.5 3.25 .63 .78 .92 47.0 13.8 3.64 .65 .80 .94 44.5 13.0 4.07 .66 .82 .97(19�C)
1855 875 53.0 15.5 2.91 .64 .80 .94 50.5 14.8 3.26 .65 .81 .96 48.0 14.1 3.65 .67 .83 .98 45.5 13.3 4.08 .68 .86 1.00
71�F1460 690 53.5 15.7 2.91 .46 .59 .71 51.0 14.9 3.26 .47 .60 .73 48.5 14.2 3.66 .47 .61 .74 46.0 13.5 4.09 .48 .62 .76
71�F(22�C)
1635 770 54.5 16.0 2.93 .47 .61 .74 52.5 15.4 3.28 .47 .62 .75 50.0 14.7 3.67 .48 .63 .77 47.0 13.8 4.10 .49 .65 .80(22�C)
1855 875 56.0 16.4 2.94 .48 .63 .77 53.5 15.7 3.29 .49 .64 .79 51.0 14.9 3.68 .50 .66 .81 48.0 14.1 4.12 .51 .67 .84
FIRST STAGE COOLING CAPACITY − XC21−048 with [CH33−48C−2F + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1015 480 35.6 10.4 1.64 .75 .88 1.00 34.2 10.0 1.90 .76 .90 1.00 32.6 9.6 2.19 .78 .92 1.00 30.8 9.0 2.53 .79 .94 1.00
63�F(17�C)
1140 540 36.6 10.7 1.63 .77 .91 1.00 35.2 10.3 1.89 .78 .93 1.00 33.4 9.8 2.18 .80 .95 1.00 31.8 9.3 2.51 .82 .98 1.00(17�C)
1285 605 37.6 11.0 1.63 .79 .95 1.00 36.2 10.6 1.89 .81 .97 1.00 34.4 10.1 2.17 .83 .99 1.00 32.6 9.6 2.51 .84 1.00 1.00
67�F1015 480 38.0 11.1 1.63 .59 .72 .84 36.4 10.7 1.89 .60 .73 .86 34.8 10.2 2.17 .61 .75 .88 33.0 9.7 2.50 .62 .76 .90
67�F(19�C)
1140 540 39.0 11.4 1.63 .61 .74 .87 37.4 11.0 1.88 .62 .76 .89 35.8 10.5 2.17 .63 .77 .91 33.8 9.9 2.50 .64 .79 .94(19�C)
1285 605 40.0 11.7 1.62 .63 .77 .91 38.5 11.3 1.88 .64 .79 .93 36.6 10.7 2.16 .64 .81 .95 34.6 10.1 2.49 .66 .82 .98
71�F1015 480 40.5 11.9 1.62 .46 .58 .69 38.5 11.3 1.88 .46 .58 .70 37.0 10.8 2.16 .46 .60 .72 35.2 10.3 2.48 .47 .61 .74
71�F(22�C)
1140 540 41.5 12.2 1.62 .47 .59 .72 40.0 11.7 1.87 .47 .60 .73 38.0 11.1 2.16 .47 .61 .75 36.2 10.6 2.47 .48 .62 .76(22�C)
1285 605 42.5 12.5 1.62 .47 .61 .74 41.0 12.0 1.87 .48 .62 .75 39.0 11.4 2.15 .48 .63 .77 37.0 10.8 2.47 .49 .64 .80
SECOND STAGE COOLING CAPACITY − XC21−048 with [CH33−48C−2F + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1460 690 48.5 14.2 2.87 .76 .89 1.00 46.5 13.6 3.22 .77 .91 1.00 44.5 13.0 3.61 .79 .93 1.00 42.0 12.3 4.04 .81 .96 1.00
63�F(17�C)
1635 770 50.0 14.7 2.88 .78 .93 1.00 48.0 14.1 3.23 .80 .95 1.00 45.5 13.3 3.62 .82 .97 1.00 43.0 12.6 4.05 .84 .99 1.00(17�C)
1855 875 51.5 15.1 2.89 .81 .96 1.00 49.0 14.4 3.24 .83 .98 1.00 46.5 13.6 3.63 .85 1.00 1.00 44.0 12.9 4.07 .87 1.00 1.00
67�F1460 690 52.0 15.2 2.90 .60 .73 .86 49.5 14.5 3.25 .61 .74 .88 47.0 13.8 3.64 .62 .76 .90 44.5 13.0 4.07 .64 .78 .93
67�F(19�C)
1635 770 53.0 15.5 2.91 .62 .76 .89 51.0 14.9 3.26 .63 .77 .91 48.0 14.1 3.65 .64 .79 .94 45.5 13.3 4.09 .65 .81 .96(19�C)
1855 875 54.5 16.0 2.92 .64 .79 .93 52.0 15.2 3.28 .65 .80 .95 49.5 14.5 3.66 .66 .82 .98 46.5 13.6 4.10 .68 .85 1.00
71�F1460 690 55.0 16.1 2.93 .47 .59 .71 52.5 15.4 3.28 .47 .60 .72 50.0 14.7 3.67 .48 .61 .74 47.5 13.9 4.11 .48 .62 .75
71�F(22�C)
1635 770 56.0 16.4 2.94 .47 .60 .73 54.0 15.8 3.30 .48 .61 .74 51.0 14.9 3.69 .48 .63 .77 48.5 14.2 4.12 .49 .64 .79(22�C)
1855 875 57.5 16.9 2.96 .49 .63 .76 55.0 16.1 3.31 .49 .64 .78 52.5 15.4 3.70 .50 .65 .79 49.5 14.5 4.13 .50 .66 .82
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 4 TON
HORIZONTAL INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 95
FIRST STAGE COOLING CAPACITY − XC21−048 with [CH33−48C−2F + G61MPV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F960 455 35.2 10.3 1.67 .74 .86 .98 33.8 9.9 1.93 .74 .88 1.00 32.2 9.4 2.23 .76 .90 1.00 30.6 9.0 2.58 .78 .92 1.00
63�F(17�C)
1090 515 36.4 10.7 1.66 .76 .90 1.00 34.8 10.2 1.92 .77 .91 1.00 33.2 9.7 2.22 .79 .94 1.00 31.6 9.3 2.56 .81 .96 1.00(17�C)
1215 575 37.4 11.0 1.66 .78 .93 1.00 35.8 10.5 1.91 .80 .95 1.00 34.2 10.0 2.21 .81 .97 1.00 32.4 9.5 2.56 .83 .99 1.00
67�F960 455 37.6 11.0 1.65 .59 .71 .83 36.0 10.6 1.91 .59 .72 .84 34.4 10.1 2.21 .61 .74 .86 32.6 9.6 2.56 .62 .75 .88
67�F(19�C)
1090 515 38.5 11.3 1.65 .60 .73 .86 37.2 10.9 1.91 .61 .75 .88 35.4 10.4 2.20 .62 .76 .90 33.6 9.8 2.54 .63 .78 .92(19�C)
1215 575 39.5 11.6 1.65 .62 .76 .89 38.0 11.1 1.90 .63 .77 .91 36.2 10.6 2.20 .64 .79 .93 34.4 10.1 2.53 .65 .81 .96
71�F960 455 40.0 11.7 1.64 .46 .57 .68 38.5 11.3 1.90 .46 .58 .69 36.6 10.7 2.19 .46 .58 .70 34.8 10.2 2.53 .47 .60 .72
71�F(22�C)
1090 515 41.0 12.0 1.64 .46 .59 .70 39.5 11.6 1.90 .46 .60 .72 37.8 11.1 2.18 .47 .61 .74 35.8 10.5 2.52 .48 .62 .75(22�C)
1215 575 42.0 12.3 1.64 .47 .60 .73 40.5 11.9 1.89 .47 .61 .74 38.5 11.3 2.18 .48 .62 .76 36.6 10.7 2.51 .49 .63 .78
SECOND STAGE COOLING CAPACITY − XC21−048 with [CH33−48C−2F + G61MPV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1380 650 48.5 14.2 2.88 .75 .87 .99 46.5 13.6 3.24 .76 .89 1.00 44.0 12.9 3.63 .77 .91 1.00 41.5 12.2 4.07 .79 .94 1.00
63�F(17�C)
1590 750 50.0 14.7 2.90 .77 .91 1.00 48.0 14.1 3.25 .79 .93 1.00 45.5 13.3 3.65 .81 .96 1.00 43.0 12.6 4.09 .83 .98 1.00(17�C)
1750 825 51.0 14.9 2.90 .80 .94 1.00 49.0 14.4 3.26 .81 .96 1.00 46.5 13.6 3.65 .83 .99 1.00 44.0 12.9 4.09 .85 1.00 1.00
67�F1380 650 51.5 15.1 2.91 .60 .72 .84 49.0 14.4 3.26 .61 .74 .86 47.0 13.8 3.66 .61 .75 .88 44.0 12.9 4.10 .63 .77 .90
67�F(19�C)
1590 750 53.0 15.5 2.92 .62 .75 .88 50.5 14.8 3.28 .63 .76 .90 48.0 14.1 3.67 .64 .78 .92 45.5 13.3 4.12 .65 .80 .95(19�C)
1750 825 54.0 15.8 2.94 .63 .77 .91 51.5 15.1 3.29 .64 .79 .93 49.0 14.4 3.69 .65 .81 .95 46.5 13.6 4.13 .67 .83 .98
71�F1380 650 54.5 16.0 2.94 .46 .58 .70 52.0 15.2 3.30 .47 .59 .71 49.5 14.5 3.69 .47 .60 .72 47.0 13.8 4.14 .48 .61 .74
71�F(22�C)
1590 750 56.0 16.4 2.96 .47 .60 .72 53.5 15.7 3.31 .48 .61 .74 51.0 14.9 3.71 .48 .62 .76 48.5 14.2 4.15 .49 .63 .78(22�C)
1750 825 57.0 16.7 2.97 .48 .61 .75 54.5 16.0 3.32 .49 .63 .76 52.0 15.2 3.72 .49 .64 .78 49.0 14.4 4.16 .50 .65 .80
FIRST STAGE COOLING CAPACITY − XC21−048 with [CH33−50/60C−2F + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1015 480 35.8 10.5 1.64 .75 .88 1.00 34.2 10.0 1.90 .76 .90 1.00 32.6 9.6 2.19 .78 .92 1.00 31.0 9.1 2.52 .80 .95 1.00
63�F(17�C)
1140 540 36.8 10.8 1.63 .77 .91 1.00 35.2 10.3 1.89 .79 .93 1.00 33.6 9.8 2.18 .80 .96 1.00 31.8 9.3 2.51 .82 .98 1.00(17�C)
1285 605 37.8 11.1 1.63 .80 .95 1.00 36.2 10.6 1.89 .81 .97 1.00 34.6 10.1 2.17 .83 .99 1.00 32.8 9.6 2.50 .85 1.00 1.00
67�F1015 480 38.0 11.1 1.63 .59 .72 .84 36.6 10.7 1.89 .60 .73 .86 35.0 10.3 2.17 .61 .75 .88 33.2 9.7 2.50 .62 .77 .90
67�F(19�C)
1140 540 39.5 11.6 1.63 .61 .75 .87 37.6 11.0 1.88 .62 .76 .89 35.8 10.5 2.17 .63 .78 .92 34.0 10.0 2.50 .64 .80 .94(19�C)
1285 605 40.5 11.9 1.62 .63 .77 .91 38.5 11.3 1.88 .64 .79 .93 36.8 10.8 2.16 .65 .80 .96 34.8 10.2 2.49 .66 .83 .98
71�F1015 480 40.5 11.9 1.62 .46 .58 .69 39.0 11.4 1.88 .46 .59 .70 37.2 10.9 2.16 .46 .60 .72 35.4 10.4 2.48 .47 .61 .74
71�F(22�C)
1140 540 42.0 12.3 1.62 .47 .59 .72 40.0 11.7 1.87 .47 .60 .73 38.5 11.3 2.15 .47 .61 .75 36.4 10.7 2.48 .48 .63 .77(22�C)
1285 605 43.0 12.6 1.62 .47 .61 .74 41.0 12.0 1.87 .48 .62 .76 39.0 11.4 2.15 .48 .63 .78 37.2 10.9 2.47 .49 .64 .80
SECOND STAGE COOLING CAPACITY − XC21−048 with [CH33−50/60C−2F + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1460 690 49.0 14.4 2.87 .76 .89 1.00 47.0 13.8 3.22 .77 .92 1.00 44.5 13.0 3.61 .79 .94 1.00 42.0 12.3 4.04 .81 .97 1.00
63�F(17�C)
1635 770 50.5 14.8 2.88 .79 .93 1.00 48.0 14.1 3.23 .80 .95 1.00 45.5 13.3 3.62 .82 .97 1.00 43.0 12.6 4.05 .84 1.00 1.00(17�C)
1855 875 51.5 15.1 2.90 .82 .97 1.00 49.5 14.5 3.25 .83 .99 1.00 47.0 13.8 3.63 .85 1.00 1.00 44.5 13.0 4.07 .88 1.00 1.00
67�F1460 690 52.0 15.2 2.90 .60 .73 .86 50.0 14.7 3.25 .61 .75 .88 47.5 13.9 3.64 .63 .77 .90 45.0 13.2 4.07 .64 .79 .93
67�F(19�C)
1635 770 53.5 15.7 2.91 .62 .76 .89 51.0 14.9 3.27 .63 .77 .91 48.5 14.2 3.65 .64 .79 .94 45.5 13.3 4.09 .66 .82 .97(19�C)
1855 875 54.5 16.0 2.93 .64 .79 .93 52.5 15.4 3.28 .65 .81 .96 49.5 14.5 3.67 .67 .83 .98 46.5 13.6 4.10 .68 .85 1.00
71�F1460 690 55.0 16.1 2.93 .47 .59 .71 53.0 15.5 3.28 .47 .60 .72 50.5 14.8 3.68 .48 .61 .74 47.5 13.9 4.11 .48 .62 .76
71�F(22�C)
1635 770 56.5 16.6 2.95 .48 .60 .73 54.0 15.8 3.30 .48 .62 .75 51.5 15.1 3.69 .48 .63 .77 48.5 14.2 4.12 .49 .64 .79(22�C)
1855 875 58.0 17.0 2.97 .49 .63 .76 55.5 16.3 3.31 .49 .64 .79 52.5 15.4 3.71 .50 .65 .81 49.5 14.5 4.14 .50 .67 .82
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 4 TON
HORIZONTAL INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 96
FIRST STAGE COOLING CAPACITY − XC21−048 with [CH33−50/60C−2F + G61MPV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F960 455 35.2 10.3 1.63 .74 .87 .99 33.8 9.9 1.89 .75 .88 1.00 32.2 9.4 2.17 .77 .90 1.00 30.6 9.0 2.51 .78 .93 1.00
63�F(17�C)
1090 515 36.4 10.7 1.63 .76 .90 1.00 34.8 10.2 1.88 .78 .92 1.00 33.2 9.7 2.17 .79 .94 1.00 31.4 9.2 2.50 .81 .97 1.00(17�C)
1215 575 37.4 11.0 1.62 .79 .93 1.00 35.8 10.5 1.88 .80 .95 1.00 34.2 10.0 2.17 .82 .98 1.00 32.2 9.4 2.49 .84 1.00 1.00
67�F960 455 37.6 11.0 1.62 .59 .71 .83 36.0 10.6 1.88 .60 .72 .85 34.4 10.1 2.16 .61 .74 .86 32.6 9.6 2.49 .62 .76 .89
67�F(19�C)
1090 515 39.0 11.4 1.62 .61 .74 .86 37.2 10.9 1.87 .61 .75 .88 35.4 10.4 2.15 .62 .77 .90 33.6 9.8 2.48 .64 .78 .93(19�C)
1215 575 39.5 11.6 1.62 .62 .76 .89 38.0 11.1 1.87 .63 .78 .92 36.2 10.6 2.15 .64 .79 .94 34.4 10.1 2.47 .65 .81 .97
71�F960 455 40.0 11.7 1.62 .46 .57 .69 38.5 11.3 1.87 .46 .58 .70 36.6 10.7 2.15 .46 .59 .71 34.8 10.2 2.47 .47 .60 .73
71�F(22�C)
1090 515 41.0 12.0 1.62 .46 .59 .71 39.5 11.6 1.87 .47 .60 .72 37.8 11.1 2.14 .47 .61 .74 35.8 10.5 2.46 .48 .62 .76(22�C)
1215 575 42.5 12.5 1.62 .47 .61 .74 40.5 11.9 1.86 .48 .62 .75 38.5 11.3 2.14 .48 .63 .77 36.8 10.8 2.46 .49 .64 .78
SECOND STAGE COOLING CAPACITY − XC21−048 with [CH33−50/60C−2F + G61MPV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1380 650 48.5 14.2 2.85 .75 .88 1.00 46.0 13.5 3.20 .76 .90 1.00 44.0 12.9 3.59 .78 .92 1.00 41.5 12.2 4.02 .80 .95 1.00
63�F(17�C)
1590 750 50.0 14.7 2.87 .78 .92 1.00 47.5 13.9 3.21 .80 .94 1.00 45.5 13.3 3.60 .81 .97 1.00 43.0 12.6 4.04 .84 .99 1.00(17�C)
1750 825 51.0 14.9 2.88 .80 .95 1.00 48.5 14.2 3.23 .82 .97 1.00 46.5 13.6 3.61 .84 1.00 1.00 43.5 12.7 4.05 .87 1.00 1.00
67�F1380 650 51.5 15.1 2.89 .60 .72 .85 49.0 14.4 3.23 .61 .74 .87 47.0 13.8 3.62 .62 .76 .89 44.0 12.9 4.05 .63 .77 .91
67�F(19�C)
1590 750 53.0 15.5 2.91 .62 .76 .89 50.5 14.8 3.25 .63 .77 .91 48.0 14.1 3.63 .64 .79 .93 45.5 13.3 4.07 .65 .81 .96(19�C)
1750 825 54.0 15.8 2.92 .64 .78 .92 51.5 15.1 3.26 .65 .80 .94 49.0 14.4 3.65 .66 .82 .97 46.0 13.5 4.08 .67 .84 .99
71�F1380 650 54.5 16.0 2.92 .47 .58 .70 52.0 15.2 3.27 .47 .59 .71 49.5 14.5 3.65 .47 .60 .73 47.0 13.8 4.09 .48 .62 .75
71�F(22�C)
1590 750 56.0 16.4 2.94 .47 .60 .73 53.5 15.7 3.29 .48 .62 .75 51.0 14.9 3.67 .48 .63 .77 48.0 14.1 4.11 .49 .64 .79(22�C)
1750 825 57.0 16.7 2.96 .48 .62 .75 55.0 16.1 3.30 .49 .63 .77 52.0 15.2 3.69 .49 .64 .79 49.0 14.4 4.12 .50 .66 .81
FIRST STAGE COOLING CAPACITY − XC21−048 with [CH33−60D−2F + G60UHV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1075 505 36.2 10.6 1.64 .76 .89 1.00 34.8 10.2 1.89 .77 .91 1.00 33.2 9.7 2.18 .79 .94 1.00 31.4 9.2 2.52 .81 .96 1.00
63�F(17�C)
1180 555 37.0 10.8 1.63 .78 .92 1.00 35.6 10.4 1.89 .79 .94 1.00 33.8 9.9 2.18 .81 .97 1.00 32.0 9.4 2.51 .83 .99 1.00(17�C)
1325 625 38.0 11.1 1.63 .80 .96 1.00 36.6 10.7 1.89 .82 .98 1.00 34.8 10.2 2.17 .84 1.00 1.00 33.0 9.7 2.50 .86 1.00 1.00
67�F1075 505 38.5 11.3 1.63 .60 .73 .85 37.0 10.8 1.88 .61 .74 .87 35.4 10.4 2.17 .62 .76 .90 33.6 9.8 2.50 .63 .78 .92
67�F(19�C)
1180 555 39.5 11.6 1.63 .61 .75 .88 37.8 11.1 1.88 .62 .77 .90 36.0 10.6 2.16 .63 .78 .93 34.2 10.0 2.49 .64 .80 .95(19�C)
1325 625 40.5 11.9 1.62 .63 .78 .92 39.0 11.4 1.88 .64 .79 .94 37.0 10.8 2.16 .65 .81 .97 35.0 10.3 2.49 .66 .83 .99
71�F1075 505 41.0 12.0 1.62 .46 .58 .70 39.5 11.6 1.87 .46 .59 .72 37.6 11.0 2.15 .47 .60 .73 35.8 10.5 2.48 .47 .61 .75
71�F(22�C)
1180 555 42.0 12.3 1.62 .47 .60 .72 40.5 11.9 1.87 .47 .61 .74 38.5 11.3 2.15 .48 .62 .76 36.6 10.7 2.48 .48 .63 .78(22�C)
1325 625 43.0 12.6 1.62 .47 .62 .75 41.5 12.2 1.87 .48 .63 .77 39.5 11.6 2.15 .48 .64 .78 37.4 11.0 2.47 .49 .65 .81
SECOND STAGE COOLING CAPACITY − XC21−048 with [CH33−60D−2F + G60UHV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1540 725 49.5 14.5 2.87 .77 .91 1.00 47.5 13.9 3.22 .79 .93 1.00 45.0 13.2 3.61 .80 .95 1.00 42.5 12.5 4.05 .82 .98 1.00
63�F(17�C)
1695 800 50.5 14.8 2.88 .79 .94 1.00 48.5 14.2 3.24 .81 .96 1.00 46.0 13.5 3.62 .83 .98 1.00 43.5 12.7 4.05 .84 1.00 1.00(17�C)
1905 900 52.0 15.2 2.90 .82 .97 1.00 49.5 14.5 3.25 .84 .99 1.00 47.0 13.8 3.64 .86 1.00 1.00 45.0 13.2 4.07 .88 1.00 1.00
67�F1540 725 52.5 15.4 2.90 .61 .74 .88 50.5 14.8 3.26 .62 .76 .89 48.0 14.1 3.65 .63 .78 .92 45.0 13.2 4.08 .64 .80 .95
67�F(19�C)
1695 800 53.5 15.7 2.92 .62 .76 .90 51.5 15.1 3.27 .63 .78 .92 49.0 14.4 3.66 .65 .80 .95 46.0 13.5 4.09 .66 .82 .98(19�C)
1905 900 55.0 16.1 2.93 .64 .80 .94 52.5 15.4 3.28 .65 .81 .96 50.0 14.7 3.67 .66 .83 .99 47.0 13.8 4.10 .68 .86 1.00
71�F1540 725 56.0 16.4 2.94 .47 .59 .72 53.5 15.7 3.29 .47 .60 .73 51.0 14.9 3.68 .48 .62 .75 48.0 14.1 4.12 .48 .63 .77
71�F(22�C)
1695 800 57.0 16.7 2.95 .48 .61 .74 54.5 16.0 3.30 .48 .62 .76 52.0 15.2 3.70 .48 .63 .78 49.0 14.4 4.13 .49 .65 .80(22�C)
1905 900 58.0 17.0 2.97 .48 .63 .77 55.5 16.3 3.32 .49 .64 .79 53.0 15.5 3.71 .50 .65 .81 50.0 14.7 4.14 .50 .67 .83
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 4 TON
HORIZONTAL INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 97
FIRST STAGE COOLING CAPACITY − XC21−048 with [CH33−60D−2F + G61MPV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F985 465 35.4 10.4 1.65 .74 .87 .99 34.0 10.0 1.91 .75 .89 1.00 32.4 9.5 2.21 .77 .91 1.00 30.8 9.0 2.55 .79 .93 1.00
63�F(17�C)
1115 525 36.6 10.7 1.64 .77 .90 1.00 35.2 10.3 1.91 .78 .92 1.00 33.6 9.8 2.20 .79 .95 1.00 31.8 9.3 2.54 .81 .97 1.00(17�C)
1235 585 37.6 11.0 1.64 .79 .93 1.00 36.0 10.6 1.90 .80 .95 1.00 34.4 10.1 2.19 .82 .98 1.00 32.6 9.6 2.53 .84 1.00 1.00
67�F985 465 37.8 11.1 1.64 .59 .71 .83 36.2 10.6 1.90 .59 .72 .85 34.6 10.1 2.19 .61 .74 .87 32.8 9.6 2.52 .62 .76 .89
67�F(19�C)
1115 525 39.0 11.4 1.64 .61 .74 .87 37.4 11.0 1.89 .62 .75 .88 35.6 10.4 2.18 .63 .77 .91 33.8 9.9 2.51 .64 .79 .93(19�C)
1235 585 40.0 11.7 1.64 .62 .76 .90 38.0 11.1 1.89 .63 .77 .92 36.6 10.7 2.18 .64 .79 .94 34.6 10.1 2.50 .65 .81 .96
71�F985 465 40.0 11.7 1.63 .46 .57 .69 38.5 11.3 1.88 .46 .58 .70 36.8 10.8 2.17 .46 .59 .71 35.2 10.3 2.50 .47 .60 .73
71�F(22�C)
1115 525 41.5 12.2 1.63 .46 .59 .71 40.0 11.7 1.88 .47 .60 .73 38.0 11.1 2.17 .47 .61 .74 36.2 10.6 2.49 .48 .62 .76(22�C)
1235 585 42.5 12.5 1.63 .47 .61 .73 41.0 12.0 1.88 .47 .61 .75 39.0 11.4 2.16 .48 .62 .76 36.8 10.8 2.49 .48 .63 .78
SECOND STAGE COOLING CAPACITY − XC21−048 with [CH33−60D−2F + G61MPV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 48.5 14.2 2.87 .75 .88 1.00 46.5 13.6 3.23 .76 .90 1.00 44.5 13.0 3.61 .78 .92 1.00 42.0 12.3 4.05 .80 .95 1.00
63�F(17�C)
1600 755 50.0 14.7 2.89 .78 .92 1.00 48.0 14.1 3.24 .79 .94 1.00 45.5 13.3 3.63 .81 .96 1.00 43.0 12.6 4.07 .83 .99 1.00(17�C)
1780 840 51.5 15.1 2.90 .80 .95 1.00 49.0 14.4 3.25 .82 .97 1.00 47.0 13.8 3.64 .84 .99 1.00 44.0 12.9 4.08 .86 1.00 1.00
67�F1400 660 51.5 15.1 2.90 .60 .73 .84 49.5 14.5 3.25 .60 .73 .86 47.0 13.8 3.64 .62 .75 .88 44.5 13.0 4.08 .63 .77 .91
67�F(19�C)
1600 755 53.0 15.5 2.92 .61 .75 .88 51.0 14.9 3.27 .63 .77 .90 48.5 14.2 3.66 .64 .78 .93 45.5 13.3 4.10 .65 .81 .95(19�C)
1780 840 54.5 16.0 2.93 .64 .78 .92 52.0 15.2 3.28 .64 .79 .94 49.5 14.5 3.68 .65 .81 .96 46.5 13.6 4.11 .67 .83 .99
71�F1400 660 54.5 16.0 2.93 .46 .58 .70 52.5 15.4 3.29 .47 .59 .71 50.0 14.7 3.67 .47 .60 .73 47.0 13.8 4.12 .48 .61 .74
71�F(22�C)
1600 755 56.5 16.6 2.95 .47 .60 .73 54.0 15.8 3.31 .48 .61 .74 51.5 15.1 3.70 .48 .62 .76 48.5 14.2 4.14 .49 .64 .78(22�C)
1780 840 57.5 16.9 2.96 .48 .62 .75 55.0 16.1 3.32 .49 .63 .77 52.5 15.4 3.71 .49 .64 .79 49.5 14.5 4.15 .50 .65 .81
FIRST STAGE COOLING CAPACITY − XC21−048 with [CH33−62D−2F + G60UHV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1075 505 36.4 10.7 1.64 .76 .89 1.00 34.8 10.2 1.89 .77 .91 1.00 33.2 9.7 2.18 .79 .93 1.00 31.4 9.2 2.52 .81 .96 1.00
63�F(17�C)
1180 555 37.2 10.9 1.63 .78 .92 1.00 35.6 10.4 1.89 .79 .94 1.00 34.0 10.0 2.18 .81 .96 1.00 32.2 9.4 2.51 .83 .99 1.00(17�C)
1325 625 38.0 11.1 1.63 .80 .95 1.00 36.6 10.7 1.89 .82 .98 1.00 34.8 10.2 2.17 .84 1.00 1.00 33.2 9.7 2.50 .86 1.00 1.00
67�F1075 505 38.5 11.3 1.63 .60 .73 .85 37.0 10.8 1.88 .61 .74 .87 35.4 10.4 2.17 .62 .76 .89 33.6 9.8 2.49 .63 .78 .92
67�F(19�C)
1180 555 39.5 11.6 1.62 .61 .75 .88 38.0 11.1 1.88 .62 .76 .90 36.2 10.6 2.16 .64 .78 .92 34.4 10.1 2.49 .65 .80 .95(19�C)
1325 625 40.5 11.9 1.62 .63 .78 .92 39.0 11.4 1.87 .64 .79 .94 37.2 10.9 2.16 .65 .81 .96 35.2 10.3 2.49 .66 .83 .99
71�F1075 505 41.0 12.0 1.62 .46 .59 .70 39.5 11.6 1.88 .46 .59 .72 37.6 11.0 2.16 .47 .60 .73 35.6 10.4 2.48 .47 .61 .75
71�F(22�C)
1180 555 42.0 12.3 1.62 .47 .60 .72 40.0 11.7 1.87 .47 .61 .74 38.5 11.3 2.15 .47 .62 .75 36.4 10.7 2.47 .48 .63 .77(22�C)
1325 625 43.0 12.6 1.62 .47 .62 .75 41.5 12.2 1.87 .48 .63 .77 39.5 11.6 2.14 .48 .64 .78 37.4 11.0 2.47 .49 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−048 with [CH33−62D−2F + G60UHV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1540 725 50.0 14.7 2.88 .77 .90 1.00 48.0 14.1 3.23 .78 .93 1.00 45.5 13.3 3.61 .80 .95 1.00 43.0 12.6 4.05 .82 .98 1.00
63�F(17�C)
1695 800 51.0 14.9 2.89 .79 .93 1.00 49.0 14.4 3.24 .80 .96 1.00 46.5 13.6 3.63 .82 .98 1.00 43.5 12.7 4.06 .85 1.00 1.00(17�C)
1905 900 52.5 15.4 2.90 .82 .97 1.00 50.0 14.7 3.26 .83 .99 1.00 47.5 13.9 3.64 .86 1.00 1.00 45.0 13.2 4.08 .88 1.00 1.00
67�F1540 725 53.0 15.5 2.91 .61 .74 .87 50.5 14.8 3.26 .62 .76 .89 48.0 14.1 3.65 .63 .78 .92 45.5 13.3 4.08 .64 .80 .94
67�F(19�C)
1695 800 54.0 15.8 2.92 .62 .76 .90 51.5 15.1 3.27 .64 .78 .92 49.0 14.4 3.66 .65 .80 .95 46.5 13.6 4.10 .66 .82 .98(19�C)
1905 900 55.5 16.3 2.94 .64 .79 .94 53.0 15.5 3.29 .66 .81 .96 50.5 14.8 3.68 .67 .83 .99 47.5 13.9 4.11 .68 .86 1.00
71�F1540 725 56.0 16.4 2.94 .47 .60 .72 53.5 15.7 3.30 .47 .61 .73 51.0 14.9 3.69 .48 .62 .75 48.0 14.1 4.12 .48 .63 .77
71�F(22�C)
1695 800 57.0 16.7 2.96 .48 .61 .74 54.5 16.0 3.31 .48 .62 .76 52.0 15.2 3.70 .48 .63 .77 49.0 14.4 4.14 .49 .65 .80(22�C)
1905 900 58.5 17.1 2.97 .48 .63 .77 56.0 16.4 3.32 .49 .64 .79 53.0 15.5 3.71 .50 .66 .81 50.0 14.7 4.15 .50 .67 .83
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 4 TON
HORIZONTAL INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 98
FIRST STAGE COOLING CAPACITY − XC21−048 with [CH33−62D−2F + G61MPV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F985 465 35.4 10.4 1.63 .74 .87 .99 34.0 10.0 1.89 .75 .89 1.00 32.4 9.5 2.17 .77 .91 1.00 30.8 9.0 2.50 .79 .93 1.00
63�F(17�C)
1115 525 36.6 10.7 1.63 .77 .90 1.00 35.0 10.3 1.88 .78 .92 1.00 33.4 9.8 2.17 .80 .95 1.00 31.8 9.3 2.50 .82 .97 1.00(17�C)
1235 585 37.6 11.0 1.62 .79 .93 1.00 36.0 10.6 1.88 .80 .96 1.00 34.2 10.0 2.16 .82 .98 1.00 32.4 9.5 2.49 .84 1.00 1.00
67�F985 465 37.6 11.0 1.62 .59 .72 .83 36.2 10.6 1.88 .60 .73 .85 34.4 10.1 2.16 .61 .74 .87 32.8 9.6 2.48 .62 .76 .89
67�F(19�C)
1115 525 39.0 11.4 1.62 .61 .74 .87 37.4 11.0 1.87 .62 .75 .89 35.6 10.4 2.15 .63 .77 .91 33.8 9.9 2.48 .64 .79 .94(19�C)
1235 585 40.0 11.7 1.62 .62 .76 .90 38.5 11.3 1.87 .63 .78 .92 36.6 10.7 2.15 .64 .79 .94 34.6 10.1 2.47 .66 .81 .97
71�F985 465 40.0 11.7 1.62 .46 .58 .69 38.5 11.3 1.87 .46 .58 .70 36.6 10.7 2.15 .46 .59 .71 34.8 10.2 2.47 .47 .60 .73
71�F(22�C)
1115 525 41.0 12.0 1.62 .46 .59 .71 39.5 11.6 1.86 .47 .60 .73 37.8 11.1 2.14 .47 .61 .74 36.0 10.6 2.46 .48 .62 .76(22�C)
1235 585 42.0 12.3 1.62 .47 .61 .74 40.5 11.9 1.86 .47 .62 .75 38.5 11.3 2.14 .48 .63 .77 36.8 10.8 2.46 .48 .64 .79
SECOND STAGE COOLING CAPACITY − XC21−048 with [CH33−62D−2F + G61MPV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 49.0 14.4 2.86 .75 .88 1.00 46.5 13.6 3.21 .76 .90 1.00 44.5 13.0 3.59 .78 .92 1.00 42.0 12.3 4.02 .80 .95 1.00
63�F(17�C)
1600 755 50.5 14.8 2.88 .78 .92 1.00 48.0 14.1 3.22 .79 .94 1.00 45.5 13.3 3.61 .81 .97 1.00 43.0 12.6 4.04 .83 .99 1.00(17�C)
1780 840 51.5 15.1 2.89 .80 .95 1.00 49.0 14.4 3.23 .82 .97 1.00 47.0 13.8 3.62 .84 1.00 1.00 44.0 12.9 4.05 .86 1.00 1.00
67�F1400 660 51.5 15.1 2.89 .60 .73 .85 49.5 14.5 3.24 .61 .74 .86 47.0 13.8 3.62 .62 .76 .89 44.5 13.0 4.06 .63 .77 .91
67�F(19�C)
1600 755 53.5 15.7 2.91 .62 .75 .89 51.0 14.9 3.25 .63 .77 .91 48.5 14.2 3.64 .64 .79 .93 46.0 13.5 4.07 .65 .81 .96(19�C)
1780 840 54.5 16.0 2.92 .64 .78 .92 52.0 15.2 3.27 .65 .80 .94 49.5 14.5 3.66 .66 .82 .97 47.0 13.8 4.09 .67 .84 .99
71�F1400 660 54.5 16.0 2.92 .47 .59 .70 52.0 15.2 3.27 .47 .59 .72 50.0 14.7 3.66 .47 .60 .73 47.0 13.8 4.09 .48 .62 .75
71�F(22�C)
1600 755 56.0 16.4 2.94 .47 .60 .73 54.0 15.8 3.29 .48 .61 .74 51.5 15.1 3.68 .48 .63 .76 48.5 14.2 4.11 .49 .64 .78(22�C)
1780 840 57.5 16.9 2.96 .48 .62 .76 55.0 16.1 3.31 .49 .63 .77 52.5 15.4 3.69 .49 .65 .79 49.5 14.5 4.12 .50 .66 .81
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CBX32M/CB31M/CB30U] [CBX32MV/CB31MV] air handlers.
RATINGS 4 TON
AIR HANDLERS
XC21 − 2 to 5 Ton Air Conditioner / Page 99
FIRST STAGE COOLING CAPACITY − XC21−048 with [CBX32M−036] {CBX32M−042}[CB30M−41] [CB30M−46]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1100 520 35.4 10.4 1.63 .77 .91 1.00 34.0 10.0 1.89 .78 .94 1.00 32.4 9.5 2.18 .80 .96 1.00 30.6 9.0 2.51 .82 .98 1.00
63�F(17�C)
1200 565 36.2 10.6 1.63 .79 .94 1.00 34.6 10.1 1.88 .80 .96 1.00 33.0 9.7 2.17 .82 .98 1.00 31.4 9.2 2.50 .85 1.00 1.00(17�C)
1250 590 36.4 10.7 1.63 .80 .95 1.00 35.0 10.3 1.88 .81 .97 1.00 33.4 9.8 2.17 .83 .99 1.00 31.6 9.3 2.50 .86 1.00 1.00
67�F1100 520 37.8 11.1 1.62 .60 .74 .88 36.2 10.6 1.88 .61 .76 .90 34.6 10.1 2.16 .62 .77 .92 32.6 9.6 2.49 .64 .79 .95
67�F(19�C)
1200 565 38.5 11.3 1.62 .62 .76 .91 37.0 10.8 1.87 .62 .78 .93 35.2 10.3 2.16 .64 .80 .95 33.4 9.8 2.48 .65 .82 .97(19�C)
1250 590 39.0 11.4 1.62 .62 .77 .92 37.2 10.9 1.87 .63 .79 .94 35.4 10.4 2.16 .64 .81 .96 33.6 9.8 2.48 .66 .83 .98
71�F1100 520 40.0 11.7 1.62 .46 .59 .72 38.5 11.3 1.87 .46 .60 .73 36.8 10.8 2.15 .47 .61 .75 34.8 10.2 2.47 .47 .62 .77
71�F(22�C)
1200 565 41.0 12.0 1.62 .46 .60 .73 39.0 11.4 1.87 .47 .61 .75 37.4 11.0 2.14 .47 .62 .77 35.4 10.4 2.47 .47 .64 .79(22�C)
1250 590 41.0 12.0 1.62 .46 .61 .75 39.5 11.6 1.86 .47 .62 .76 37.6 11.0 2.14 .47 .63 .78 35.8 10.5 2.47 .48 .64 .80
SECOND STAGE COOLING CAPACITY − XC21−048 with [CBX32M−036] {CBX32M−042}[CB30M−41] [CB30M−46]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 46.5 13.6 2.83 .76 .90 1.00 44.5 13.0 3.18 .77 .92 1.00 42.0 12.3 3.56 .79 .94 1.00 39.5 11.6 3.99 .81 .97 1.00
63�F(17�C)
1500 710 47.0 13.8 2.84 .77 .92 1.00 45.0 13.2 3.19 .79 .94 1.00 42.5 12.5 3.57 .80 .96 1.00 40.0 11.7 3.99 .83 .98 1.00(17�C)
1550 730 47.5 13.9 2.84 .78 .93 1.00 45.0 13.2 3.19 .79 .95 1.00 43.0 12.6 3.57 .81 .97 1.00 40.5 11.9 4.00 .84 .99 1.00
67�F1400 660 49.5 14.5 2.86 .60 .73 .86 47.0 13.8 3.21 .61 .75 .88 44.5 13.0 3.59 .62 .76 .91 42.0 12.3 4.03 .63 .78 .94
67�F(19�C)
1500 710 50.0 14.7 2.87 .61 .75 .88 48.0 14.1 3.22 .62 .76 .90 45.0 13.2 3.60 .63 .78 .93 42.5 12.5 4.03 .64 .80 .96(19�C)
1550 730 50.5 14.8 2.88 .61 .75 .89 48.0 14.1 3.22 .62 .77 .92 45.5 13.3 3.61 .63 .79 .94 43.0 12.6 4.03 .65 .81 .97
71�F1400 660 52.0 15.2 2.89 .46 .58 .71 49.5 14.5 3.24 .46 .59 .72 47.5 13.9 3.63 .46 .60 .74 44.5 13.0 4.05 .47 .62 .76
71�F(22�C)
1500 710 52.5 15.4 2.90 .46 .59 .72 50.5 14.8 3.25 .46 .60 .74 48.0 14.1 3.63 .47 .61 .76 45.5 13.3 4.07 .47 .63 .78(22�C)
1550 730 53.0 15.5 2.91 .46 .60 .73 51.0 14.9 3.25 .47 .61 .75 48.0 14.1 3.63 .47 .62 .76 45.5 13.3 4.07 .47 .63 .79
FIRST STAGE COOLING CAPACITY − XC21−048 with [CBX32M−048][CB30M−51]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1100 520 36.6 10.7 1.63 .77 .92 1.00 35.0 10.3 1.88 .78 .94 1.00 33.4 9.8 2.17 .80 .96 1.00 31.6 9.3 2.50 .82 .98 1.00
63�F(17�C)
1200 565 37.2 10.9 1.62 .79 .94 1.00 35.8 10.5 1.88 .80 .96 1.00 34.0 10.0 2.16 .82 .98 1.00 32.4 9.5 2.49 .84 1.00 1.00(17�C)
1300 615 38.0 11.1 1.62 .81 .97 1.00 36.4 10.7 1.88 .82 .98 1.00 34.8 10.2 2.16 .84 1.00 1.00 33.2 9.7 2.49 .87 1.00 1.00
67�F1100 520 39.0 11.4 1.62 .60 .74 .88 37.4 11.0 1.87 .61 .76 .90 35.6 10.4 2.15 .62 .77 .92 33.8 9.9 2.48 .63 .79 .95
67�F(19�C)
1200 565 39.5 11.6 1.62 .61 .76 .91 38.0 11.1 1.87 .62 .78 .93 36.4 10.7 2.15 .63 .80 .95 34.4 10.1 2.47 .65 .82 .97(19�C)
1300 615 40.5 11.9 1.62 .63 .78 .93 39.0 11.4 1.87 .64 .80 .95 36.8 10.8 2.15 .65 .82 .97 34.8 10.2 2.47 .66 .84 1.00
71�F1100 520 41.5 12.2 1.62 .45 .59 .71 39.5 11.6 1.86 .46 .60 .73 38.0 11.1 2.14 .46 .61 .75 36.0 10.6 2.46 .47 .62 .76
71�F(22�C)
1200 565 42.5 12.5 1.62 .46 .60 .74 40.5 11.9 1.86 .46 .61 .75 38.5 11.3 2.14 .47 .62 .77 36.6 10.7 2.46 .47 .63 .79(22�C)
1300 615 43.0 12.6 1.61 .46 .61 .76 41.0 12.0 1.86 .47 .62 .77 39.5 11.6 2.13 .47 .63 .79 37.2 10.9 2.45 .48 .65 .81
SECOND STAGE COOLING CAPACITY − XC21−048 with [CBX32M−048][CB30M−51]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 48.5 14.2 2.86 .75 .90 1.00 46.5 13.6 3.20 .77 .92 1.00 44.0 12.9 3.59 .79 .94 1.00 41.5 12.2 4.01 .81 .97 1.00
63�F(17�C)
1600 755 50.0 14.7 2.87 .78 .94 1.00 47.5 13.9 3.21 .80 .96 1.00 45.0 13.2 3.60 .82 .98 1.00 42.5 12.5 4.03 .84 1.00 1.00(17�C)
1800 850 51.0 14.9 2.88 .81 .97 1.00 49.0 14.4 3.23 .83 .99 1.00 46.5 13.6 3.61 .85 1.00 1.00 44.0 12.9 4.05 .88 1.00 1.00
67�F1400 660 51.5 15.1 2.89 .60 .73 .86 49.0 14.4 3.24 .60 .74 .88 46.5 13.6 3.62 .62 .76 .91 44.0 12.9 4.05 .63 .78 .93
67�F(19�C)
1600 755 53.0 15.5 2.91 .61 .76 .90 50.5 14.8 3.25 .62 .78 .93 48.0 14.1 3.64 .63 .80 .95 45.0 13.2 4.07 .65 .82 .98(19�C)
1800 850 54.0 15.8 2.92 .63 .79 .94 51.5 15.1 3.26 .64 .81 .96 49.0 14.4 3.65 .66 .83 .98 46.0 13.5 4.07 .67 .86 1.00
71�F1400 660 54.5 16.0 2.92 .45 .58 .70 52.0 15.2 3.27 .45 .59 .72 49.5 14.5 3.65 .46 .60 .74 47.0 13.8 4.09 .46 .61 .76
71�F(22�C)
1600 755 56.0 16.4 2.94 .46 .60 .74 53.5 15.7 3.28 .46 .61 .75 51.0 14.9 3.67 .47 .62 .77 48.0 14.1 4.10 .47 .64 .79(22�C)
1800 850 57.0 16.7 2.95 .47 .62 .77 54.5 16.0 3.30 .47 .63 .78 52.0 15.2 3.69 .48 .64 .80 49.0 14.4 4.12 .48 .66 .83
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CBX32M/CB31M/CB30U] [CBX32MV/CB31MV] air handlers.
RATINGS 4 TON
AIR HANDLERS
XC21 − 2 to 5 Ton Air Conditioner / Page 100
FIRST STAGE COOLING CAPACITY − XC21−048 with [CBX32M−060][CB30M−65]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1100 520 36.8 10.8 1.64 .77 .91 1.00 35.2 10.3 1.89 .78 .93 1.00 33.6 9.8 2.18 .80 .95 1.00 31.8 9.3 2.51 .82 .98 1.00
63�F(17�C)
1200 565 37.6 11.0 1.63 .79 .94 1.00 36.0 10.6 1.89 .80 .96 1.00 34.4 10.1 2.17 .82 .98 1.00 32.6 9.6 2.51 .84 1.00 1.00(17�C)
1300 615 38.5 11.3 1.63 .80 .96 1.00 36.8 10.8 1.88 .82 .98 1.00 35.0 10.3 2.17 .84 1.00 1.00 33.4 9.8 2.50 .86 1.00 1.00
67�F1100 520 39.0 11.4 1.63 .60 .74 .87 37.4 11.0 1.88 .61 .75 .89 35.8 10.5 2.17 .62 .78 .91 34.0 10.0 2.49 .63 .79 .94
67�F(19�C)
1200 565 40.0 11.7 1.63 .61 .76 .90 38.0 11.1 1.88 .62 .77 .92 36.4 10.7 2.16 .63 .79 .94 34.6 10.1 2.48 .65 .81 .97(19�C)
1300 615 40.5 11.9 1.62 .63 .78 .92 39.0 11.4 1.88 .64 .79 .95 37.0 10.8 2.16 .65 .81 .97 35.2 10.3 2.48 .66 .84 .99
71�F1100 520 41.5 12.2 1.62 .45 .59 .71 40.0 11.7 1.87 .46 .60 .73 38.0 11.1 2.15 .46 .61 .74 36.2 10.6 2.48 .47 .62 .77
71�F(22�C)
1200 565 42.5 12.5 1.62 .46 .60 .73 40.5 11.9 1.87 .46 .61 .75 39.0 11.4 2.15 .47 .62 .77 36.8 10.8 2.47 .47 .63 .79(22�C)
1300 615 43.0 12.6 1.62 .47 .61 .75 41.5 12.2 1.87 .47 .62 .77 39.5 11.6 2.15 .48 .63 .79 37.4 11.0 2.47 .48 .65 .81
SECOND STAGE COOLING CAPACITY − XC21−048 with [CBX32M−060][CB30M−65]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 49.0 14.4 2.86 .75 .89 1.00 47.0 13.8 3.22 .77 .91 1.00 44.5 13.0 3.60 .78 .93 1.00 42.0 12.3 4.04 .80 .96 1.00
63�F(17�C)
1600 755 50.5 14.8 2.88 .78 .93 1.00 48.0 14.1 3.23 .80 .95 1.00 46.0 13.5 3.62 .81 .97 1.00 43.0 12.6 4.06 .84 .99 1.00(17�C)
1800 850 51.5 15.1 2.89 .81 .96 1.00 49.5 14.5 3.24 .83 .98 1.00 47.0 13.8 3.63 .85 1.00 1.00 44.5 13.0 4.07 .87 1.00 1.00
67�F1400 660 52.0 15.2 2.90 .60 .73 .85 49.5 14.5 3.25 .60 .74 .87 47.0 13.8 3.64 .61 .76 .90 44.5 13.0 4.07 .62 .78 .92
67�F(19�C)
1600 755 53.5 15.7 2.91 .61 .76 .89 51.0 14.9 3.26 .62 .77 .91 48.5 14.2 3.65 .63 .79 .94 45.5 13.3 4.08 .65 .81 .97(19�C)
1800 850 54.5 16.0 2.93 .63 .79 .93 52.0 15.2 3.28 .64 .80 .95 49.5 14.5 3.67 .65 .82 .98 46.5 13.6 4.10 .67 .85 1.00
71�F1400 660 54.5 16.0 2.93 .45 .58 .70 52.5 15.4 3.28 .46 .59 .71 50.0 14.7 3.67 .46 .60 .73 47.5 13.9 4.11 .46 .61 .75
71�F(22�C)
1600 755 56.5 16.6 2.95 .46 .60 .73 54.0 15.8 3.29 .46 .61 .75 51.5 15.1 3.69 .47 .62 .77 48.5 14.2 4.13 .47 .63 .79(22�C)
1800 850 57.5 16.9 2.96 .47 .62 .76 55.0 16.1 3.32 .47 .63 .78 52.5 15.4 3.71 .48 .64 .80 49.5 14.5 4.14 .48 .66 .82
FIRST STAGE COOLING CAPACITY − XC21−048 with [CBX32MV−036][CB31MV−41]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1000 470 34.8 10.2 1.63 .75 .89 1.00 33.2 9.7 1.89 .76 .90 1.00 31.6 9.3 2.18 .78 .93 1.00 30.0 8.8 2.52 .80 .95 1.00
63�F(17�C)
1080 510 35.4 10.4 1.63 .77 .91 1.00 33.8 9.9 1.88 .78 .93 1.00 32.2 9.4 2.18 .80 .95 1.00 30.6 9.0 2.51 .82 .97 1.00(17�C)
1085 510 35.4 10.4 1.63 .77 .91 1.00 33.8 9.9 1.89 .78 .93 1.00 32.2 9.4 2.18 .80 .95 1.00 30.6 9.0 2.51 .82 .98 1.00
67�F1000 470 37.0 10.8 1.63 .59 .72 .85 35.4 10.4 1.88 .60 .74 .87 33.8 9.9 2.16 .61 .75 .89 32.0 9.4 2.49 .62 .77 .91
67�F(19�C)
1080 510 37.6 11.0 1.62 .60 .74 .87 36.2 10.6 1.88 .61 .75 .89 34.4 10.1 2.16 .62 .77 .91 32.6 9.6 2.49 .63 .79 .94(19�C)
1085 510 37.6 11.0 1.62 .60 .74 .87 36.2 10.6 1.88 .61 .75 .89 34.4 10.1 2.16 .62 .77 .92 32.6 9.6 2.49 .63 .79 .94
71�F1000 470 39.0 11.4 1.62 .45 .58 .70 37.6 11.0 1.87 .45 .58 .71 36.0 10.6 2.15 .46 .59 .72 34.2 10.0 2.47 .46 .60 .74
71�F(22�C)
1080 510 40.0 11.7 1.62 .46 .59 .71 38.5 11.3 1.87 .46 .59 .72 36.6 10.7 2.15 .46 .61 .74 34.6 10.1 2.47 .47 .62 .76(22�C)
1085 510 40.0 11.7 1.62 .46 .59 .71 38.5 11.3 1.87 .46 .59 .73 36.6 10.7 2.15 .46 .61 .74 34.6 10.1 2.47 .47 .62 .76
SECOND STAGE COOLING CAPACITY − XC21−048 with [CBX32MV−036][CB31MV−41]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 46.5 13.6 2.83 .76 .90 1.00 44.5 13.0 3.18 .77 .92 1.00 42.0 12.3 3.56 .79 .94 1.00 39.5 11.6 3.99 .81 .97 1.00
63�F(17�C)
1545 730 47.5 13.9 2.84 .78 .93 1.00 45.0 13.2 3.19 .79 .95 1.00 43.0 12.6 3.58 .81 .97 1.00 40.5 11.9 4.00 .84 .99 1.00(17�C)
1550 730 47.5 13.9 2.84 .78 .93 1.00 45.0 13.2 3.19 .79 .95 1.00 43.0 12.6 3.57 .81 .97 1.00 40.5 11.9 4.00 .84 .99 1.00
67�F1400 660 49.5 14.5 2.86 .60 .73 .86 47.0 13.8 3.21 .61 .75 .88 44.5 13.0 3.59 .62 .76 .91 42.0 12.3 4.03 .63 .78 .94
67�F(19�C)
1545 730 50.5 14.8 2.88 .61 .75 .89 48.0 14.1 3.22 .62 .77 .91 45.5 13.3 3.61 .63 .79 .94 43.0 12.6 4.03 .65 .81 .97(19�C)
1550 730 50.5 14.8 2.88 .61 .75 .89 48.0 14.1 3.22 .62 .77 .92 45.5 13.3 3.61 .63 .79 .94 43.0 12.6 4.03 .65 .81 .97
71�F1400 660 52.0 15.2 2.89 .46 .58 .71 49.5 14.5 3.24 .46 .59 .72 47.5 13.9 3.63 .46 .60 .74 44.5 13.0 4.05 .47 .62 .76
71�F(22�C)
1545 730 53.0 15.5 2.91 .46 .60 .73 50.5 14.8 3.25 .46 .61 .75 48.0 14.1 3.63 .47 .62 .76 45.5 13.3 4.07 .47 .63 .79(22�C)
1550 730 53.0 15.5 2.91 .46 .60 .73 51.0 14.9 3.25 .47 .61 .75 48.0 14.1 3.63 .47 .62 .76 45.5 13.3 4.07 .47 .63 .79
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CBX32M/CB31M/CB30U] [CBX32MV/CB31MV] air handlers.
RATINGS 4 TON
AIR HANDLERS
XC21 − 2 to 5 Ton Air Conditioner / Page 101
FIRST STAGE COOLING CAPACITY − XC21−048 with [CBX32MV−048][CB31MV−51]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1090 515 36.6 10.7 1.63 .76 .91 1.00 35.0 10.3 1.88 .78 .93 1.00 33.2 9.7 2.17 .80 .95 1.00 31.6 9.3 2.50 .82 .98 1.00
63�F(17�C)
1140 540 37.0 10.8 1.63 .78 .93 1.00 35.4 10.4 1.88 .79 .95 1.00 33.6 9.8 2.17 .81 .97 1.00 31.8 9.3 2.49 .83 .99 1.00(17�C)
1205 570 37.4 11.0 1.62 .79 .94 1.00 35.8 10.5 1.88 .80 .96 1.00 34.0 10.0 2.16 .82 .98 1.00 32.4 9.5 2.49 .84 1.00 1.00
67�F1090 515 39.0 11.4 1.62 .60 .74 .88 37.2 10.9 1.87 .61 .75 .89 35.6 10.4 2.15 .62 .77 .92 33.6 9.8 2.48 .63 .79 .94
67�F(19�C)
1140 540 39.5 11.6 1.62 .61 .75 .89 37.6 11.0 1.87 .62 .76 .91 35.8 10.5 2.15 .63 .78 .93 34.0 10.0 2.48 .64 .80 .96(19�C)
1205 570 40.0 11.7 1.62 .61 .76 .91 38.0 11.1 1.87 .62 .78 .93 36.4 10.7 2.15 .64 .80 .95 34.4 10.1 2.47 .65 .82 .98
71�F1090 515 41.5 12.2 1.62 .45 .59 .71 39.5 11.6 1.86 .46 .59 .73 37.8 11.1 2.14 .46 .60 .74 35.8 10.5 2.46 .47 .62 .76
71�F(22�C)
1140 540 42.0 12.3 1.62 .46 .59 .72 40.0 11.7 1.86 .46 .60 .74 38.0 11.1 2.14 .46 .61 .75 36.2 10.6 2.46 .47 .62 .77(22�C)
1205 570 42.5 12.5 1.62 .46 .60 .74 40.5 11.9 1.86 .46 .61 .75 38.5 11.3 2.14 .47 .62 .77 36.6 10.7 2.46 .47 .63 .79
SECOND STAGE COOLING CAPACITY − XC21−048 with [CBX32MV−048][CB31MV−51]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1555 735 49.5 14.5 2.87 .78 .93 1.00 47.5 13.9 3.21 .79 .95 1.00 45.0 13.2 3.60 .81 .97 1.00 42.5 12.5 4.03 .84 .99 1.00
63�F(17�C)
1625 765 50.0 14.7 2.87 .79 .94 1.00 47.5 13.9 3.21 .80 .96 1.00 45.5 13.3 3.60 .82 .98 1.00 43.0 12.6 4.03 .85 1.00 1.00(17�C)
1725 815 50.5 14.8 2.88 .80 .96 1.00 48.5 14.2 3.22 .82 .98 1.00 46.0 13.5 3.61 .84 1.00 1.00 43.5 12.7 4.04 .87 1.00 1.00
67�F1555 735 52.5 15.4 2.90 .61 .75 .89 50.0 14.7 3.25 .62 .77 .92 47.5 13.9 3.63 .63 .79 .94 45.0 13.2 4.06 .64 .81 .97
67�F(19�C)
1625 765 53.0 15.5 2.91 .62 .76 .91 50.5 14.8 3.25 .63 .78 .93 48.0 14.1 3.64 .64 .80 .96 45.5 13.3 4.06 .65 .82 .98(19�C)
1725 815 53.5 15.7 2.91 .63 .78 .93 51.0 14.9 3.26 .64 .80 .95 48.5 14.2 3.64 .65 .82 .97 46.0 13.5 4.07 .66 .84 .99
71�F1555 735 55.5 16.3 2.94 .46 .60 .73 53.0 15.5 3.28 .46 .61 .74 50.5 14.8 3.67 .47 .62 .76 48.0 14.1 4.10 .47 .63 .79
71�F(22�C)
1625 765 56.0 16.4 2.94 .46 .60 .74 53.5 15.7 3.29 .46 .61 .76 51.0 14.9 3.67 .47 .62 .78 48.0 14.1 4.11 .48 .64 .80(22�C)
1725 815 57.0 16.7 2.95 .46 .61 .75 54.5 16.0 3.30 .47 .62 .77 51.5 15.1 3.68 .47 .64 .79 48.5 14.2 4.11 .48 .65 .82
FIRST STAGE COOLING CAPACITY − XC21−048 with [CBX32MV−060][CB31MV−65]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1090 515 36.6 10.7 1.63 .76 .91 1.00 35.2 10.3 1.88 .78 .93 1.00 33.6 9.8 2.17 .80 .95 1.00 31.8 9.3 2.50 .81 .97 1.00
63�F(17�C)
1140 540 37.0 10.8 1.62 .77 .92 1.00 35.6 10.4 1.88 .79 .94 1.00 33.8 9.9 2.16 .81 .96 1.00 32.0 9.4 2.49 .83 .99 1.00(17�C)
1205 570 37.6 11.0 1.62 .79 .94 1.00 36.0 10.6 1.88 .80 .96 1.00 34.2 10.0 2.16 .82 .98 1.00 32.6 9.6 2.49 .84 1.00 1.00
67�F1090 515 39.0 11.4 1.62 .60 .74 .87 37.2 10.9 1.87 .61 .75 .89 35.6 10.4 2.16 .62 .77 .91 33.8 9.9 2.48 .63 .79 .94
67�F(19�C)
1140 540 39.5 11.6 1.62 .61 .75 .88 37.6 11.0 1.87 .62 .76 .90 36.0 10.6 2.15 .63 .78 .93 34.0 10.0 2.47 .64 .80 .95(19�C)
1205 570 40.0 11.7 1.62 .62 .76 .90 38.0 11.1 1.87 .62 .78 .92 36.4 10.7 2.15 .64 .79 .94 34.6 10.1 2.47 .65 .81 .97
71�F1090 515 41.5 12.2 1.62 .46 .59 .71 39.5 11.6 1.86 .46 .59 .73 37.8 11.1 2.14 .46 .60 .74 36.0 10.6 2.46 .47 .62 .76
71�F(22�C)
1140 540 42.0 12.3 1.62 .46 .59 .72 40.0 11.7 1.86 .46 .60 .74 38.0 11.1 2.14 .47 .61 .75 36.2 10.6 2.46 .47 .62 .77(22�C)
1205 570 42.5 12.5 1.62 .46 .60 .74 40.5 11.9 1.86 .47 .61 .75 38.5 11.3 2.14 .47 .62 .77 36.8 10.8 2.46 .48 .63 .79
SECOND STAGE COOLING CAPACITY − XC21−048 with [CBX32MV−060][CB31MV−65]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1555 735 50.0 14.7 2.87 .77 .92 1.00 48.0 14.1 3.22 .79 .94 1.00 45.5 13.3 3.60 .81 .96 1.00 43.0 12.6 4.03 .83 .99 1.00
63�F(17�C)
1625 765 50.5 14.8 2.88 .78 .93 1.00 48.0 14.1 3.22 .80 .96 1.00 46.0 13.5 3.61 .82 .98 1.00 43.5 12.7 4.04 .84 1.00 1.00(17�C)
1725 815 51.0 14.9 2.88 .79 .95 1.00 49.0 14.4 3.23 .81 .97 1.00 46.5 13.6 3.62 .84 .99 1.00 44.0 12.9 4.05 .86 1.00 1.00
67�F1555 735 53.0 15.5 2.90 .61 .75 .89 50.5 14.8 3.25 .62 .77 .91 48.0 14.1 3.64 .63 .78 .93 45.0 13.2 4.06 .64 .81 .96
67�F(19�C)
1625 765 53.5 15.7 2.91 .61 .76 .90 51.0 14.9 3.26 .62 .78 .92 48.5 14.2 3.64 .64 .80 .95 45.5 13.3 4.07 .65 .82 .97(19�C)
1725 815 54.0 15.8 2.92 .62 .77 .92 51.5 15.1 3.26 .63 .80 .94 49.0 14.4 3.65 .65 .81 .97 46.0 13.5 4.08 .66 .84 .99
71�F1555 735 56.0 16.4 2.94 .46 .60 .73 53.5 15.7 3.28 .46 .60 .74 51.0 14.9 3.67 .47 .62 .76 48.0 14.1 4.11 .47 .63 .78
71�F(22�C)
1625 765 56.5 16.6 2.94 .46 .60 .74 54.0 15.8 3.29 .47 .61 .75 51.5 15.1 3.68 .47 .62 .77 48.5 14.2 4.11 .48 .64 .79(22�C)
1725 815 57.0 16.7 2.95 .47 .61 .75 54.5 16.0 3.30 .47 .62 .77 52.0 15.2 3.69 .47 .63 .79 49.0 14.4 4.12 .48 .65 .81
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CBX32M/CB31M/CB30U] [CBX32MV/CB31MV] air handlers.
RATINGS 4 TON
AIR HANDLERS
XC21 − 2 to 5 Ton Air Conditioner / Page 102
FIRST STAGE COOLING CAPACITY − XC21−048 with [CBX32MV−068]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1250 590 37.6 11.0 1.63 .78 .93 1.00 36.2 10.6 1.89 .80 .96 1.00 34.4 10.1 2.17 .82 .98 1.00 32.6 9.6 2.50 .84 1.00 1.00
63�F(17�C)
1250 590 37.6 11.0 1.63 .78 .93 1.00 36.2 10.6 1.89 .80 .96 1.00 34.4 10.1 2.17 .82 .98 1.00 32.6 9.6 2.50 .84 1.00 1.00(17�C)
1465 690 39.0 11.4 1.62 .82 .98 1.00 37.4 11.0 1.88 .83 1.00 1.00 35.8 10.5 2.17 .86 1.00 1.00 34.2 10.0 2.49 .88 1.00 1.00
67�F1250 590 40.0 11.7 1.63 .61 .76 .90 38.5 11.3 1.88 .62 .77 .92 36.6 10.7 2.16 .63 .79 .94 34.6 10.1 2.49 .65 .81 .97
67�F(19�C)
1250 590 40.0 11.7 1.63 .61 .76 .90 38.5 11.3 1.88 .62 .77 .92 36.6 10.7 2.16 .63 .79 .94 34.6 10.1 2.49 .65 .81 .97(19�C)
1465 690 41.5 12.2 1.62 .64 .79 .95 39.5 11.6 1.87 .65 .81 .97 37.8 11.1 2.16 .66 .83 .99 35.8 10.5 2.48 .67 .85 1.00
71�F1250 590 42.0 12.3 1.62 .46 .60 .73 40.5 11.9 1.87 .47 .61 .75 38.5 11.3 2.15 .47 .62 .76 36.6 10.7 2.47 .48 .62 .78
71�F(22�C)
1250 590 42.0 12.3 1.62 .46 .60 .73 40.5 11.9 1.87 .47 .61 .75 38.5 11.3 2.15 .47 .62 .76 36.6 10.7 2.47 .48 .62 .78(22�C)
1465 690 43.5 12.7 1.62 .47 .62 .77 41.5 12.2 1.87 .48 .63 .78 40.0 11.7 2.14 .48 .64 .80 37.8 11.1 2.46 .48 .66 .83
SECOND STAGE COOLING CAPACITY − XC21−048 with [CBX32MV−068]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1465 690 49.5 14.5 2.87 .75 .89 1.00 47.0 13.8 3.22 .76 .91 1.00 45.0 13.2 3.61 .78 .93 1.00 42.5 12.5 4.04 .80 .96 1.00
63�F(17�C)
1625 765 50.5 14.8 2.88 .77 .91 1.00 48.5 14.2 3.23 .79 .94 1.00 46.0 13.5 3.62 .80 .96 1.00 43.5 12.7 4.05 .82 .99 1.00(17�C)
1840 870 52.0 15.2 2.89 .80 .95 1.00 49.5 14.5 3.25 .81 .98 1.00 47.0 13.8 3.64 .83 1.00 1.00 44.5 13.0 4.07 .86 1.00 1.00
67�F1465 690 52.0 15.2 2.90 .59 .73 .85 49.5 14.5 3.25 .60 .74 .87 47.5 13.9 3.64 .61 .76 .89 45.0 13.2 4.08 .63 .78 .92
67�F(19�C)
1625 765 53.0 15.5 2.91 .60 .74 .88 51.0 14.9 3.26 .62 .76 .90 48.5 14.2 3.66 .63 .78 .93 46.0 13.5 4.09 .64 .80 .96(19�C)
1840 870 54.5 16.0 2.93 .62 .77 .92 52.0 15.2 3.28 .63 .79 .94 49.5 14.5 3.67 .64 .81 .97 47.0 13.8 4.10 .66 .83 .99
71�F1465 690 55.0 16.1 2.93 .46 .58 .70 53.0 15.5 3.28 .46 .59 .71 50.5 14.8 3.68 .46 .60 .73 47.5 13.9 4.11 .47 .61 .75
71�F(22�C)
1625 765 56.0 16.4 2.94 .46 .59 .72 54.0 15.8 3.30 .47 .60 .74 51.0 14.9 3.68 .47 .61 .75 48.5 14.2 4.12 .47 .63 .77(22�C)
1840 870 57.5 16.9 2.96 .47 .61 .75 55.0 16.1 3.31 .47 .62 .76 52.0 15.2 3.70 .48 .63 .78 49.0 14.4 4.13 .48 .64 .81
FIRST STAGE COOLING CAPACITY − XC21−048 with [CB30U−41/46]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1100 520 35.8 10.5 1.63 .78 .93 1.00 34.2 10.0 1.88 .80 .95 1.00 32.6 9.6 2.17 .81 .97 1.00 31.0 9.1 2.50 .84 .99 1.00
63�F(17�C)
1200 565 36.4 10.7 1.63 .80 .95 1.00 35.0 10.3 1.88 .82 .97 1.00 33.2 9.7 2.17 .84 .99 1.00 31.6 9.3 2.50 .86 1.00 1.00(17�C)
1250 590 36.8 10.8 1.62 .81 .97 1.00 35.2 10.3 1.88 .83 .98 1.00 33.6 9.8 2.17 .85 1.00 1.00 32.0 9.4 2.49 .87 1.00 1.00
67�F1100 520 38.0 11.1 1.62 .62 .75 .89 36.6 10.7 1.88 .63 .77 .91 34.8 10.2 2.16 .64 .79 .93 33.0 9.7 2.49 .65 .81 .96
67�F(19�C)
1200 565 39.0 11.4 1.62 .63 .78 .92 37.2 10.9 1.87 .64 .79 .94 35.4 10.4 2.15 .65 .81 .96 33.6 9.8 2.48 .67 .83 .98(19�C)
1250 590 39.0 11.4 1.62 .64 .79 .93 37.4 11.0 1.87 .65 .81 .95 35.8 10.5 2.15 .66 .82 .97 33.8 9.9 2.48 .68 .85 .99
71�F1100 520 40.5 11.9 1.62 .47 .60 .73 38.5 11.3 1.87 .48 .61 .74 37.0 10.8 2.15 .48 .62 .76 35.0 10.3 2.47 .49 .64 .78
71�F(22�C)
1200 565 41.0 12.0 1.62 .48 .62 .75 39.5 11.6 1.86 .48 .63 .77 37.6 11.0 2.14 .49 .64 .79 35.6 10.4 2.47 .50 .65 .81(22�C)
1250 590 41.5 12.2 1.62 .48 .62 .76 40.0 11.7 1.86 .49 .63 .78 37.8 11.1 2.14 .49 .65 .80 36.0 10.6 2.46 .50 .66 .82
SECOND STAGE COOLING CAPACITY − XC21−048 with [CB30U−41/46]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 46.5 13.6 2.84 .77 .91 1.00 44.5 13.0 3.18 .79 .93 1.00 42.5 12.5 3.56 .80 .96 1.00 40.0 11.7 3.99 .83 .98 1.00
63�F(17�C)
1500 710 47.5 13.9 2.84 .79 .93 1.00 45.0 13.2 3.19 .80 .95 1.00 43.0 12.6 3.57 .82 .97 1.00 40.5 11.9 4.00 .84 .99 1.00(17�C)
1550 730 47.5 13.9 2.85 .79 .94 1.00 45.5 13.3 3.19 .81 .96 1.00 43.0 12.6 3.58 .83 .98 1.00 41.0 12.0 4.00 .86 1.00 1.00
67�F1400 660 49.5 14.5 2.87 .61 .75 .87 47.5 13.9 3.22 .62 .76 .89 45.0 13.2 3.60 .63 .78 .92 42.5 12.5 4.03 .65 .80 .95
67�F(19�C)
1500 710 50.5 14.8 2.87 .62 .76 .90 48.0 14.1 3.22 .63 .78 .92 45.5 13.3 3.60 .64 .80 .94 43.0 12.6 4.04 .66 .82 .97(19�C)
1550 730 50.5 14.8 2.88 .63 .77 .91 48.5 14.2 3.23 .64 .79 .93 46.0 13.5 3.61 .65 .80 .96 43.0 12.6 4.04 .67 .83 .98
71�F1400 660 52.0 15.2 2.90 .47 .60 .72 50.0 14.7 3.24 .48 .61 .74 47.5 13.9 3.63 .48 .62 .75 45.0 13.2 4.06 .49 .63 .77
71�F(22�C)
1500 710 53.0 15.5 2.90 .48 .61 .74 50.5 14.8 3.25 .48 .62 .75 48.0 14.1 3.63 .48 .63 .77 45.5 13.3 4.07 .49 .64 .79(22�C)
1550 730 53.5 15.7 2.91 .48 .61 .74 51.0 14.9 3.26 .48 .63 .76 48.5 14.2 3.64 .49 .64 .78 46.0 13.5 4.08 .50 .65 .80
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CBX32M/CB31M/CB30U] [CBX32MV/CB31MV] air handlers.
RATINGS 4 TON
AIR HANDLERS
XC21 − 2 to 5 Ton Air Conditioner / Page 103
FIRST STAGE COOLING CAPACITY − XC21−048 with [CB30U−51]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1100 520 36.2 10.6 1.63 .78 .92 1.00 34.8 10.2 1.88 .80 .94 1.00 33.2 9.7 2.17 .81 .96 1.00 31.6 9.3 2.50 .84 .99 1.00
63�F(17�C)
1200 565 37.0 10.8 1.63 .80 .95 1.00 35.6 10.4 1.88 .82 .97 1.00 34.0 10.0 2.17 .84 .99 1.00 32.2 9.4 2.49 .86 1.00 1.00(17�C)
1300 615 37.8 11.1 1.62 .82 .97 1.00 36.4 10.7 1.88 .84 .99 1.00 34.6 10.1 2.16 .86 1.00 1.00 33.0 9.7 2.48 .88 1.00 1.00
67�F1100 520 38.5 11.3 1.62 .62 .76 .89 37.0 10.8 1.87 .63 .77 .91 35.4 10.4 2.15 .64 .79 .93 33.4 9.8 2.48 .65 .81 .95
67�F(19�C)
1200 565 39.5 11.6 1.62 .63 .77 .91 37.8 11.1 1.87 .64 .79 .93 36.0 10.6 2.15 .65 .81 .95 34.0 10.0 2.48 .67 .83 .98(19�C)
1300 615 40.0 11.7 1.62 .64 .80 .94 38.5 11.3 1.87 .66 .81 .96 36.6 10.7 2.15 .67 .83 .98 34.6 10.1 2.47 .68 .86 1.00
71�F1100 520 41.0 12.0 1.62 .47 .60 .73 39.5 11.6 1.86 .48 .61 .74 37.8 11.1 2.14 .48 .63 .76 35.8 10.5 2.46 .49 .64 .78
71�F(22�C)
1200 565 42.0 12.3 1.62 .48 .61 .75 40.5 11.9 1.86 .48 .63 .76 38.5 11.3 2.14 .49 .64 .78 36.4 10.7 2.46 .49 .65 .80(22�C)
1300 615 43.0 12.6 1.62 .49 .63 .77 41.0 12.0 1.86 .49 .64 .79 39.0 11.4 2.14 .50 .65 .81 37.0 10.8 2.45 .51 .67 .83
SECOND STAGE COOLING CAPACITY − XC21−048 with [CB30U−51]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 48.0 14.1 2.85 .77 .91 1.00 46.0 13.5 3.20 .78 .93 1.00 44.0 12.9 3.58 .80 .95 1.00 41.5 12.2 4.02 .82 .97 1.00
63�F(17�C)
1600 755 49.5 14.5 2.87 .80 .94 1.00 47.5 13.9 3.22 .81 .97 1.00 45.0 13.2 3.60 .83 .98 1.00 42.5 12.5 4.03 .86 1.00 1.00(17�C)
1800 850 51.0 14.9 2.88 .83 .98 1.00 49.0 14.4 3.23 .85 .99 1.00 46.5 13.6 3.62 .87 1.00 1.00 44.0 12.9 4.05 .90 1.00 1.00
67�F1400 660 51.0 14.9 2.89 .61 .74 .87 49.0 14.4 3.23 .62 .76 .89 46.5 13.6 3.62 .63 .78 .92 44.0 12.9 4.05 .65 .80 .94
67�F(19�C)
1600 755 52.5 15.4 2.90 .63 .77 .91 50.5 14.8 3.25 .64 .79 .93 48.0 14.1 3.63 .65 .81 .96 45.0 13.2 4.07 .67 .83 .98(19�C)
1800 850 54.0 15.8 2.91 .65 .80 .95 51.5 15.1 3.26 .66 .82 .97 49.0 14.4 3.65 .68 .85 .99 46.0 13.5 4.08 .69 .87 1.00
71�F1400 660 54.0 15.8 2.92 .47 .60 .72 52.0 15.2 3.27 .47 .61 .73 49.5 14.5 3.65 .48 .62 .75 46.5 13.6 4.08 .49 .63 .77
71�F(22�C)
1600 755 56.0 16.4 2.94 .48 .62 .75 53.5 15.7 3.28 .48 .63 .77 51.0 14.9 3.67 .49 .64 .78 48.0 14.1 4.10 .50 .65 .81(22�C)
1800 850 57.0 16.7 2.95 .49 .64 .78 54.5 16.0 3.30 .49 .65 .80 52.0 15.2 3.69 .50 .66 .82 49.0 14.4 4.12 .51 .68 .85
FIRST STAGE COOLING CAPACITY − XC21−048 with [CB30U−65]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1100 520 37.0 10.8 1.63 .78 .93 1.00 35.4 10.4 1.88 .80 .95 1.00 33.6 9.8 2.17 .82 .97 1.00 32.0 9.4 2.49 .84 .99 1.00
63�F(17�C)
1200 565 37.6 11.0 1.62 .80 .95 1.00 36.0 10.6 1.88 .82 .97 1.00 34.4 10.1 2.16 .84 .99 1.00 32.8 9.6 2.49 .86 1.00 1.00(17�C)
1300 615 38.5 11.3 1.62 .83 .98 1.00 36.8 10.8 1.87 .84 1.00 1.00 35.2 10.3 2.16 .87 1.00 1.00 33.6 9.8 2.48 .89 1.00 1.00
67�F1100 520 39.5 11.6 1.62 .62 .76 .89 37.6 11.0 1.87 .63 .77 .91 36.0 10.6 2.15 .64 .79 .94 34.0 10.0 2.48 .65 .81 .96
67�F(19�C)
1200 565 40.0 11.7 1.62 .63 .77 .92 38.5 11.3 1.87 .64 .79 .94 36.6 10.7 2.15 .65 .81 .96 34.6 10.1 2.47 .66 .83 .99(19�C)
1300 615 41.0 12.0 1.62 .65 .80 .95 39.0 11.4 1.87 .66 .82 .97 37.2 10.9 2.14 .67 .84 .99 35.2 10.3 2.47 .69 .86 1.00
71�F1100 520 42.0 12.3 1.62 .47 .60 .73 40.0 11.7 1.86 .48 .61 .74 38.5 11.3 2.14 .48 .63 .76 36.4 10.7 2.46 .49 .64 .78
71�F(22�C)
1200 565 42.5 12.5 1.61 .47 .61 .75 41.0 12.0 1.86 .48 .62 .76 39.0 11.4 2.14 .48 .64 .78 37.0 10.8 2.46 .49 .65 .80(22�C)
1300 615 43.5 12.7 1.61 .48 .63 .77 41.5 12.2 1.86 .49 .64 .79 39.5 11.6 2.14 .50 .66 .81 37.6 11.0 2.45 .50 .67 .83
SECOND STAGE COOLING CAPACITY − XC21−048 with [CB30U−65]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1400 660 49.0 14.4 2.86 .77 .91 1.00 46.5 13.6 3.21 .79 .93 1.00 44.5 13.0 3.59 .80 .96 1.00 42.0 12.3 4.02 .83 .98 1.00
63�F(17�C)
1600 755 50.0 14.7 2.87 .80 .95 1.00 48.0 14.1 3.22 .82 .97 1.00 45.5 13.3 3.61 .84 .99 1.00 43.0 12.6 4.04 .86 1.00 1.00(17�C)
1800 850 51.5 15.1 2.89 .83 .98 1.00 49.5 14.5 3.24 .85 1.00 1.00 47.0 13.8 3.62 .88 1.00 1.00 44.5 13.0 4.06 .90 1.00 1.00
67�F1400 660 52.0 15.2 2.89 .61 .75 .88 49.5 14.5 3.24 .62 .76 .90 47.0 13.8 3.62 .63 .78 .92 44.5 13.0 4.06 .65 .80 .95
67�F(19�C)
1600 755 53.5 15.7 2.91 .63 .78 .92 51.0 14.9 3.25 .64 .79 .94 48.5 14.2 3.64 .65 .81 .96 45.5 13.3 4.07 .67 .84 .99(19�C)
1800 850 54.5 16.0 2.92 .65 .81 .96 52.0 15.2 3.27 .66 .83 .98 49.5 14.5 3.65 .68 .85 1.00 46.5 13.6 4.08 .70 .88 1.00
71�F1400 660 55.0 16.1 2.93 .47 .60 .72 52.5 15.4 3.27 .47 .61 .74 50.0 14.7 3.66 .48 .62 .75 47.0 13.8 4.09 .48 .63 .78
71�F(22�C)
1600 755 56.5 16.6 2.94 .48 .62 .75 54.0 15.8 3.29 .48 .63 .77 51.5 15.1 3.68 .49 .64 .79 48.5 14.2 4.11 .49 .66 .81(22�C)
1800 850 57.5 16.9 2.96 .49 .64 .78 55.0 16.1 3.30 .49 .65 .80 52.5 15.4 3.69 .50 .67 .83 49.5 14.5 4.12 .51 .68 .85
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 5 TON
UP−FLOW INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 104
FIRST STAGE COOLING CAPACITY − XC21−060 with [CX34−44/48B/C−6F] [C33−48B/C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1300 615 44.0 12.9 2.10 .76 .89 1.00 42.0 12.3 2.45 .77 .91 1.00 40.0 11.7 2.86 .79 .93 1.00 38.0 11.1 3.33 .81 .96 1.00
63�F(17�C)
1400 660 44.5 13.0 2.09 .77 .91 1.00 43.0 12.6 2.44 .79 .93 1.00 41.0 12.0 2.85 .80 .95 1.00 38.5 11.3 3.33 .82 .98 1.00(17�C)
1500 710 45.5 13.3 2.08 .79 .93 1.00 43.5 12.7 2.44 .80 .95 1.00 41.5 12.2 2.85 .82 .97 1.00 39.0 11.4 3.30 .84 .99 1.00
67�F1300 615 46.5 13.6 2.08 .61 .74 .85 45.0 13.2 2.43 .61 .75 .87 42.5 12.5 2.83 .62 .76 .89 40.5 11.9 3.30 .64 .78 .92
67�F(19�C)
1400 660 47.5 13.9 2.08 .61 .74 .87 45.5 13.3 2.43 .62 .76 .89 43.5 12.7 2.83 .64 .78 .92 41.0 12.0 3.30 .65 .80 .94(19�C)
1500 710 48.0 14.1 2.08 .62 .76 .90 46.0 13.5 2.42 .63 .78 .91 44.0 12.9 2.82 .65 .79 .94 41.5 12.2 3.28 .66 .82 .96
71�F1300 615 49.5 14.5 2.07 .47 .59 .71 47.5 13.9 2.42 .47 .60 .72 45.5 13.3 2.80 .48 .61 .74 43.0 12.6 3.27 .49 .62 .76
71�F(22�C)
1400 660 50.5 14.8 2.07 .47 .60 .72 48.0 14.1 2.42 .48 .61 .74 46.0 13.5 2.81 .48 .62 .75 43.5 12.7 3.26 .49 .63 .77(22�C)
1500 710 51.0 14.9 2.07 .48 .61 .74 49.0 14.4 2.41 .48 .62 .75 46.5 13.6 2.80 .49 .63 .77 44.0 12.9 3.26 .50 .64 .78
SECOND STAGE COOLING CAPACITY − XC21−060 with [CX34−44/48B/C−6F] [C33−48B/C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1600 755 57.0 16.7 3.68 .73 .85 .97 54.5 16.0 4.12 .75 .87 .99 51.5 15.1 4.63 .76 .89 1.00 48.5 14.2 5.25 .78 .92 1.00
63�F(17�C)
1800 850 58.5 17.1 3.69 .75 .88 .99 56.0 16.4 4.15 .77 .90 1.00 53.0 15.5 4.67 .78 .92 1.00 49.5 14.5 5.25 .80 .95 1.00(17�C)
2000 945 60.0 17.6 3.69 .77 .91 1.00 57.0 16.7 4.16 .78 .93 1.00 54.0 15.8 4.68 .80 .95 1.00 50.5 14.8 5.26 .83 .98 1.00
67�F1600 755 60.5 17.7 3.71 .59 .71 .82 57.5 16.9 4.17 .60 .72 .84 54.5 16.0 4.69 .61 .74 .86 51.0 14.9 5.24 .62 .75 .88
67�F(19�C)
1800 850 62.0 18.2 3.72 .61 .73 .85 59.0 17.3 4.18 .61 .74 .87 55.5 16.3 4.69 .63 .76 .89 52.5 15.4 5.28 .64 .78 .92(19�C)
2000 945 63.0 18.5 3.74 .62 .75 .87 60.0 17.6 4.19 .63 .76 .89 57.0 16.7 4.72 .64 .78 .92 53.5 15.7 5.30 .65 .80 .95
71�F1600 755 63.5 18.6 3.74 .47 .58 .68 60.5 17.7 4.20 .47 .59 .70 57.5 16.9 4.72 .48 .60 .71 54.0 15.8 5.31 .48 .61 .73
71�F(22�C)
1800 850 65.0 19.0 3.76 .48 .59 .70 62.0 18.2 4.22 .48 .60 .72 59.0 17.3 4.75 .48 .61 .73 55.5 16.3 5.31 .49 .62 .75(22�C)
2000 945 67.0 19.6 3.77 .48 .60 .73 63.5 18.6 4.23 .48 .61 .74 60.0 17.6 4.76 .49 .62 .75 56.5 16.6 5.34 .50 .64 .78
FIRST STAGE COOLING CAPACITY − XC21−060 with [CX34−49C−6F] [C33−49C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT t
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTemperat
ure
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbure
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1300 615 44.5 13.0 2.23 .76 .89 1.00 42.5 12.5 2.61 .78 .91 1.00 40.5 11.9 3.06 .79 .94 1.00 38.0 11.1 3.56 .81 .97 1.00
63�F(17�C)
1400 660 45.0 13.2 2.23 .78 .91 1.00 43.0 12.6 2.61 .79 .94 1.00 41.0 12.0 3.03 .81 .96 1.00 39.0 11.4 3.56 .83 .99 1.00(17�C)
1500 710 46.0 13.5 2.22 .79 .93 1.00 44.0 12.9 2.59 .81 .95 1.00 42.0 12.3 3.03 .83 .98 1.00 39.5 11.6 3.52 .85 1.00 1.00
67�F1300 615 47.0 13.8 2.19 .61 .74 .86 45.0 13.2 2.58 .62 .75 .88 43.0 12.6 3.02 .63 .77 .90 40.5 11.9 3.54 .64 .79 .93
67�F(19�C)
1400 660 48.0 14.1 2.20 .62 .75 .88 46.0 13.5 2.58 .63 .76 .90 43.5 12.7 3.01 .64 .78 .92 41.5 12.2 3.50 .65 .80 .95(19�C)
1500 710 48.5 14.2 2.20 .63 .76 .90 46.5 13.6 2.57 .64 .78 .92 44.5 13.0 2.98 .65 .80 .94 42.0 12.3 3.51 .66 .82 .98
71�F1300 615 49.5 14.5 2.19 .47 .60 .71 47.5 13.9 2.53 .48 .60 .72 45.5 13.3 2.98 .48 .61 .74 43.0 12.6 3.48 .49 .63 .76
71�F(22�C)
1400 660 50.5 14.8 2.16 .48 .60 .73 48.5 14.2 2.55 .48 .61 .74 46.0 13.5 2.97 .49 .63 .76 43.5 12.7 3.45 .49 .64 .78(22�C)
1500 710 51.0 14.9 2.17 .48 .61 .74 49.0 14.4 2.54 .49 .62 .76 46.5 13.6 2.96 .49 .64 .77 44.0 12.9 3.46 .50 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−060 with [CX34−49C−6F] [C33−49C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1600 755 58.0 17.0 3.83 .74 .86 .97 55.5 16.3 4.32 .75 .88 .99 52.5 15.4 4.90 .77 .90 1.00 49.0 14.4 5.53 .79 .93 1.00
63�F(17�C)
1800 850 60.0 17.6 3.84 .76 .88 1.00 57.0 16.7 4.35 .77 .91 1.00 53.5 15.7 4.92 .79 .93 1.00 50.0 14.7 5.54 .81 .97 1.00(17�C)
2000 945 61.0 17.9 3.87 .77 .91 1.00 58.0 17.0 4.37 .79 .94 1.00 55.0 16.1 4.93 .81 .96 1.00 51.5 15.1 5.54 .84 .99 1.00
67�F1600 755 61.5 18.0 3.86 .60 .71 .82 58.5 17.1 4.36 .61 .73 .84 55.5 16.3 4.89 .62 .74 .86 52.0 15.2 5.55 .63 .76 .89
67�F(19�C)
1800 850 63.0 18.5 3.87 .61 .73 .85 60.0 17.6 4.35 .62 .75 .87 57.0 16.7 4.94 .63 .76 .90 53.0 15.5 5.57 .64 .79 .93(19�C)
2000 945 64.5 18.9 3.88 .62 .75 .88 61.5 18.0 4.39 .63 .77 .90 58.0 17.0 4.96 .64 .79 .93 54.5 16.0 5.58 .66 .81 .96
71�F1600 755 64.5 18.9 3.87 .47 .58 .69 61.5 18.0 4.38 .47 .59 .70 58.5 17.1 4.95 .48 .60 .72 55.0 16.1 5.54 .48 .61 .74
71�F(22�C)
1800 850 66.0 19.3 3.90 .48 .59 .71 63.0 18.5 4.40 .48 .60 .72 60.0 17.6 4.93 .49 .61 .74 56.0 16.4 5.59 .49 .63 .76(22�C)
2000 945 68.0 19.9 3.91 .48 .61 .73 65.0 19.0 4.38 .49 .62 .74 61.5 18.0 4.97 .49 .63 .76 57.5 16.9 5.60 .50 .64 .79
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 5 TON
UP−FLOW INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 105
FIRST STAGE COOLING CAPACITY − XC21−060 with [CX34−50/60C−6F] [C33−50/60C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1300 615 44.5 13.0 2.10 .76 .90 1.00 42.5 12.5 2.45 .78 .92 1.00 40.5 11.9 2.85 .79 .94 1.00 38.5 11.3 3.33 .81 .96 1.00
63�F(17�C)
1400 660 45.5 13.3 2.09 .78 .92 1.00 43.5 12.7 2.44 .79 .94 1.00 41.5 12.2 2.85 .81 .96 1.00 39.0 11.4 3.31 .82 .98 1.00(17�C)
1500 710 46.0 13.5 2.08 .79 .94 1.00 44.0 12.9 2.44 .81 .96 1.00 42.0 12.3 2.84 .83 .98 1.00 39.5 11.6 3.30 .85 1.00 1.00
67�F1300 615 47.5 13.9 2.07 .61 .74 .86 45.5 13.3 2.44 .62 .75 .88 43.0 12.6 2.83 .63 .77 .90 41.0 12.0 3.29 .64 .79 .93
67�F(19�C)
1400 660 48.0 14.1 2.08 .62 .75 .88 46.0 13.5 2.43 .63 .77 .90 44.0 12.9 2.83 .64 .78 .92 41.5 12.2 3.28 .65 .81 .95(19�C)
1500 710 48.5 14.2 2.07 .63 .77 .90 46.5 13.6 2.43 .64 .78 .92 44.5 13.0 2.82 .65 .80 .95 42.0 12.3 3.27 .66 .82 .97
71�F1300 615 50.0 14.7 2.07 .47 .59 .71 48.0 14.1 2.41 .47 .60 .72 46.0 13.5 2.81 .48 .61 .74 43.5 12.7 3.26 .49 .63 .76
71�F(22�C)
1400 660 51.0 14.9 2.07 .47 .60 .73 49.0 14.4 2.41 .48 .61 .74 46.5 13.6 2.80 .49 .62 .76 44.0 12.9 3.26 .49 .64 .78(22�C)
1500 710 51.5 15.1 2.07 .48 .61 .74 49.5 14.5 2.41 .49 .63 .76 47.0 13.8 2.80 .49 .64 .78 44.5 13.0 3.24 .50 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−060 with [CX34−50/60C−6F] [C33−50/60C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1600 755 58.0 17.0 3.68 .74 .86 .97 55.0 16.1 4.13 .75 .88 .99 52.5 15.4 4.67 .77 .90 1.00 49.0 14.4 5.25 .79 .93 1.00
63�F(17�C)
1800 850 59.5 17.4 3.70 .76 .89 1.00 56.5 16.6 4.16 .77 .91 1.00 53.5 15.7 4.68 .79 .93 1.00 50.0 14.7 5.25 .81 .96 1.00(17�C)
2000 945 61.0 17.9 3.71 .78 .91 1.00 58.0 17.0 4.17 .79 .94 1.00 55.0 16.1 4.69 .81 .96 1.00 51.5 15.1 5.28 .83 .99 1.00
67�F1600 755 61.0 17.9 3.72 .60 .71 .82 58.5 17.1 4.18 .60 .73 .84 55.0 16.1 4.68 .61 .74 .86 52.0 15.2 5.27 .63 .76 .89
67�F(19�C)
1800 850 62.5 18.3 3.73 .61 .73 .85 59.5 17.4 4.19 .62 .75 .87 56.5 16.6 4.71 .63 .76 .90 53.0 15.5 5.29 .64 .78 .93(19�C)
2000 945 64.0 18.8 3.74 .62 .75 .88 61.0 17.9 4.20 .63 .77 .90 58.0 17.0 4.73 .64 .79 .93 54.0 15.8 5.30 .66 .81 .96
71�F1600 755 64.5 18.9 3.75 .47 .58 .69 61.5 18.0 4.21 .47 .59 .70 58.5 17.1 4.74 .48 .60 .72 55.0 16.1 5.32 .48 .61 .73
71�F(22�C)
1800 850 66.0 19.3 3.77 .47 .59 .71 63.0 18.5 4.24 .48 .60 .72 60.0 17.6 4.75 .48 .61 .74 56.0 16.4 5.33 .49 .63 .76(22�C)
2000 945 68.0 19.9 3.79 .48 .61 .73 64.5 18.9 4.24 .48 .62 .74 61.0 17.9 4.77 .49 .63 .76 57.0 16.7 5.35 .50 .64 .78
FIRST STAGE COOLING CAPACITY − XC21−060 with [CX34−60D−6F] [C33−60D]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1300 615 45.0 13.2 2.09 .77 .90 1.00 43.5 12.7 2.44 .78 .93 1.00 41.5 12.2 2.85 .80 .95 1.00 39.0 11.4 3.32 .82 .98 1.00
63�F(17�C)
1400 660 46.0 13.5 2.08 .78 .93 1.00 44.0 12.9 2.44 .80 .95 1.00 42.0 12.3 2.84 .82 .97 1.00 39.5 11.6 3.31 .84 1.00 1.00(17�C)
1500 710 46.5 13.6 2.09 .80 .95 1.00 44.5 13.0 2.43 .82 .97 1.00 42.5 12.5 2.83 .84 .99 1.00 40.5 11.9 3.30 .86 1.00 1.00
67�F1300 615 48.0 14.1 2.08 .62 .74 .87 46.0 13.5 2.43 .63 .76 .89 44.0 12.9 2.82 .64 .78 .92 41.5 12.2 3.29 .65 .80 .94
67�F(19�C)
1400 660 48.5 14.2 2.08 .62 .75 .89 46.5 13.6 2.42 .64 .78 .91 44.5 13.0 2.82 .65 .80 .94 42.0 12.3 3.27 .66 .82 .97(19�C)
1500 710 49.5 14.5 2.07 .64 .78 .91 47.5 13.9 2.42 .65 .79 .94 45.0 13.2 2.81 .66 .81 .96 42.5 12.5 3.26 .67 .84 .99
71�F1300 615 51.0 14.9 2.07 .47 .60 .72 49.0 14.4 2.41 .48 .61 .73 46.5 13.6 2.80 .48 .62 .75 44.0 12.9 3.25 .49 .63 .77
71�F(22�C)
1400 660 51.5 15.1 2.06 .48 .61 .74 49.5 14.5 2.41 .48 .62 .75 47.5 13.9 2.79 .49 .63 .77 44.5 13.0 3.26 .49 .65 .79(22�C)
1500 710 52.5 15.4 2.07 .48 .62 .75 50.0 14.7 2.40 .49 .63 .77 48.0 14.1 2.79 .49 .64 .79 45.5 13.3 3.24 .50 .66 .81
SECOND STAGE COOLING CAPACITY − XC21−060 with [CX34−60D−6F] [C33−60D]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1600 755 59.0 17.3 3.69 .75 .87 .99 56.5 16.6 4.15 .76 .89 1.00 53.5 15.7 4.68 .77 .91 1.00 50.0 14.7 5.24 .80 .94 1.00
63�F(17�C)
1800 850 60.5 17.7 3.71 .77 .90 1.00 58.0 17.0 4.18 .78 .92 1.00 54.5 16.0 4.69 .80 .95 1.00 51.5 15.1 5.28 .82 .98 1.00(17�C)
2000 945 62.0 18.2 3.73 .79 .93 1.00 59.0 17.3 4.18 .81 .96 1.00 56.0 16.4 4.70 .83 .98 1.00 52.5 15.4 5.29 .85 1.00 1.00
67�F1600 755 62.5 18.3 3.72 .60 .72 .84 59.5 17.4 4.19 .61 .73 .86 56.0 16.4 4.70 .62 .75 .88 53.0 15.5 5.27 .63 .77 .91
67�F(19�C)
1800 850 64.0 18.8 3.74 .62 .74 .87 61.0 17.9 4.20 .62 .76 .89 58.0 17.0 4.73 .63 .78 .92 54.5 16.0 5.30 .65 .80 .95(19�C)
2000 945 65.0 19.0 3.76 .63 .76 .90 62.5 18.3 4.23 .64 .78 .92 59.0 17.3 4.74 .65 .80 .95 55.5 16.3 5.32 .66 .83 .98
71�F1600 755 66.0 19.3 3.77 .47 .58 .70 63.0 18.5 4.24 .47 .59 .71 59.5 17.4 4.75 .48 .60 .73 56.0 16.4 5.33 .48 .62 .75
71�F(22�C)
1800 850 68.0 19.9 3.79 .47 .60 .72 64.5 18.9 4.24 .48 .61 .74 61.0 17.9 4.77 .48 .62 .75 57.0 16.7 5.35 .49 .63 .77(22�C)
2000 945 69.0 20.2 3.80 .48 .62 .74 66.0 19.3 4.27 .49 .62 .76 62.0 18.2 4.78 .49 .64 .78 58.0 17.0 5.36 .50 .65 .80
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 5 TON
UP−FLOW INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 106
FIRST STAGE COOLING CAPACITY − XC21−060 with [CX34−62C−6F] [C33−62C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1300 615 46.0 13.5 2.22 .78 .92 1.00 44.0 12.9 2.58 .79 .94 1.00 41.5 12.2 3.03 .81 .97 1.00 39.5 11.6 3.53 .83 .99 1.00
63�F(17�C)
1400 660 47.0 13.8 2.20 .80 .95 1.00 44.5 13.0 2.58 .81 .97 1.00 42.5 12.5 3.03 .83 .99 1.00 40.0 11.7 3.52 .86 1.00 1.00(17�C)
1500 710 47.5 13.9 2.20 .82 .97 1.00 45.5 13.3 2.58 .83 .99 1.00 43.0 12.6 3.00 .85 1.00 1.00 41.0 12.0 3.51 .88 1.00 1.00
67�F1300 615 49.0 14.4 2.19 .62 .75 .88 46.5 13.6 2.57 .63 .77 .90 44.5 13.0 2.98 .64 .79 .93 42.0 12.3 3.50 .65 .81 .96
67�F(19�C)
1400 660 49.5 14.5 2.19 .63 .77 .91 47.5 13.9 2.54 .64 .79 .93 45.0 13.2 2.99 .65 .80 .96 42.5 12.5 3.47 .66 .83 .99(19�C)
1500 710 50.5 14.8 2.17 .64 .79 .93 48.0 14.1 2.55 .65 .80 .95 45.5 13.3 2.98 .66 .83 .98 43.0 12.6 3.47 .68 .85 1.00
71�F1300 615 51.5 15.1 2.18 .47 .60 .73 49.5 14.5 2.54 .48 .61 .74 47.0 13.8 2.96 .48 .62 .76 44.5 13.0 3.45 .49 .64 .78
71�F(22�C)
1400 660 52.5 15.4 2.18 .48 .62 .75 50.5 14.8 2.54 .48 .63 .76 48.0 14.1 2.93 .49 .64 .78 45.0 13.2 3.46 .50 .66 .80(22�C)
1500 710 53.5 15.7 2.17 .49 .63 .76 51.0 14.9 2.50 .49 .64 .78 48.5 14.2 2.94 .50 .65 .80 46.0 13.5 3.42 .50 .66 .82
SECOND STAGE COOLING CAPACITY − XC21−060 with [CX34−62C−6F] [C33−62C]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1600 755 60.5 17.7 3.85 .75 .88 1.00 57.5 16.9 4.35 .77 .90 1.00 54.0 15.8 4.91 .79 .93 1.00 50.5 14.8 5.54 .81 .96 1.00
63�F(17�C)
1800 850 62.0 18.2 3.86 .78 .92 1.00 59.0 17.3 4.37 .80 .94 1.00 55.5 16.3 4.93 .82 .97 1.00 52.0 15.2 5.55 .84 1.00 1.00(17�C)
2000 945 63.5 18.6 3.88 .80 .95 1.00 60.5 17.7 4.38 .82 .98 1.00 57.0 16.7 4.95 .84 1.00 1.00 53.5 15.7 5.55 .87 1.00 1.00
67�F1600 755 64.0 18.8 3.87 .60 .73 .85 60.5 17.7 4.37 .61 .74 .87 57.5 16.9 4.94 .63 .76 .90 53.5 15.7 5.56 .64 .79 .93
67�F(19�C)
1800 850 66.0 19.3 3.88 .62 .75 .88 62.5 18.3 4.40 .63 .77 .91 59.0 17.3 4.95 .64 .79 .93 55.0 16.1 5.58 .66 .82 .97(19�C)
2000 945 67.0 19.6 3.90 .64 .78 .92 64.0 18.8 4.41 .65 .80 .94 60.0 17.6 4.96 .66 .82 .97 56.0 16.4 5.57 .69 .85 1.00
71�F1600 755 68.0 19.9 3.91 .47 .59 .70 64.5 18.9 4.39 .47 .60 .72 61.0 17.9 4.93 .48 .61 .73 57.0 16.7 5.60 .49 .62 .76
71�F(22�C)
1800 850 69.0 20.2 3.91 .47 .60 .73 66.0 19.3 4.41 .48 .61 .74 62.5 18.3 4.98 .49 .63 .77 58.0 17.0 5.60 .49 .64 .79(22�C)
2000 945 71.0 20.8 3.93 .48 .62 .75 67.0 19.6 4.44 .49 .63 .77 63.5 18.6 4.99 .50 .65 .79 59.5 17.4 5.58 .51 .66 .82
FIRST STAGE COOLING CAPACITY − XC21−060 with [CX34−62D−6F] [C33−62D]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1300 615 45.5 13.3 2.08 .77 .91 1.00 43.5 12.7 2.44 .78 .92 1.00 41.5 12.2 2.84 .80 .95 1.00 39.5 11.6 3.31 .82 .98 1.00
63�F(17�C)
1400 660 46.5 13.6 2.08 .79 .93 1.00 44.5 13.0 2.43 .80 .95 1.00 42.5 12.5 2.83 .82 .97 1.00 40.0 11.7 3.30 .84 1.00 1.00(17�C)
1500 710 47.0 13.8 2.08 .80 .95 1.00 45.0 13.2 2.43 .82 .97 1.00 43.0 12.6 2.83 .84 .99 1.00 40.5 11.9 3.29 .86 1.00 1.00
67�F1300 615 48.0 14.1 2.08 .61 .74 .87 46.0 13.5 2.42 .62 .76 .89 44.0 12.9 2.82 .63 .78 .91 42.0 12.3 3.29 .65 .80 .94
67�F(19�C)
1400 660 49.0 14.4 2.07 .62 .76 .89 47.0 13.8 2.42 .64 .78 .91 45.0 13.2 2.81 .65 .79 .94 42.5 12.5 3.28 .66 .82 .97(19�C)
1500 710 50.0 14.7 2.07 .64 .78 .91 47.5 13.9 2.41 .65 .79 .94 45.5 13.3 2.81 .66 .81 .96 43.0 12.6 3.26 .67 .83 .99
71�F1300 615 51.0 14.9 2.07 .47 .59 .72 49.0 14.4 2.40 .48 .60 .73 46.5 13.6 2.80 .48 .62 .75 44.0 12.9 3.25 .49 .63 .77
71�F(22�C)
1400 660 51.5 15.1 2.06 .48 .60 .73 49.5 14.5 2.41 .48 .62 .75 47.5 13.9 2.80 .49 .63 .77 45.0 13.2 3.25 .49 .65 .79(22�C)
1500 710 52.5 15.4 2.06 .48 .62 .75 50.5 14.8 2.40 .49 .63 .77 48.0 14.1 2.79 .49 .65 .79 45.5 13.3 3.23 .50 .66 .81
SECOND STAGE COOLING CAPACITY − XC21−060 with [CX34−62D−6F] [C33−62D]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1600 755 59.5 17.4 3.69 .74 .87 .99 57.0 16.7 4.16 .76 .89 1.00 54.0 15.8 4.67 .78 .91 1.00 50.5 14.8 5.26 .80 .94 1.00
63�F(17�C)
1800 850 61.5 18.0 3.71 .77 .90 1.00 58.5 17.1 4.17 .78 .92 1.00 55.5 16.3 4.70 .80 .95 1.00 52.0 15.2 5.26 .82 .98 1.00(17�C)
2000 945 63.0 18.5 3.73 .79 .93 1.00 60.0 17.6 4.20 .81 .95 1.00 56.5 16.6 4.72 .83 .98 1.00 53.0 15.5 5.29 .85 1.00 1.00
67�F1600 755 63.0 18.5 3.74 .60 .72 .84 60.0 17.6 4.20 .61 .73 .85 57.0 16.7 4.72 .62 .75 .88 53.5 15.7 5.29 .63 .77 .91
67�F(19�C)
1800 850 65.0 19.0 3.75 .61 .74 .87 62.0 18.2 4.22 .62 .76 .89 58.5 17.1 4.73 .63 .78 .91 55.0 16.1 5.32 .65 .80 .94(19�C)
2000 945 66.0 19.3 3.77 .63 .76 .90 63.5 18.6 4.24 .64 .78 .92 60.0 17.6 4.75 .65 .80 .95 56.0 16.4 5.34 .67 .83 .98
71�F1600 755 67.0 19.6 3.78 .47 .58 .70 63.5 18.6 4.24 .47 .59 .71 60.5 17.7 4.76 .48 .60 .72 56.5 16.6 5.34 .48 .61 .74
71�F(22�C)
1800 850 68.0 19.9 3.80 .47 .60 .72 65.0 19.0 4.27 .48 .61 .73 61.5 18.0 4.78 .48 .62 .75 58.0 17.0 5.34 .49 .63 .77(22�C)
2000 945 70.0 20.5 3.81 .48 .61 .74 66.0 19.3 4.27 .49 .62 .76 63.0 18.5 4.80 .49 .64 .78 59.0 17.3 5.38 .50 .65 .80
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 5 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 107
FIRST STAGE COOLING CAPACITY − XC21−060 with [CX34−44/48C−6F + G60UHV−60C−090][C33−48C + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1135 535 42.0 12.3 2.27 .73 .85 .97 40.5 11.9 2.64 .74 .87 .99 38.5 11.3 3.09 .75 .89 1.00 36.2 10.6 3.62 .77 .92 1.00
63�F(17�C)
1280 605 43.5 12.7 2.24 .75 .88 1.00 41.5 12.2 2.63 .76 .90 1.00 39.5 11.6 3.07 .78 .92 1.00 37.2 10.9 3.60 .80 .95 1.00(17�C)
1445 680 44.5 13.0 2.23 .78 .92 1.00 42.5 12.5 2.62 .79 .94 1.00 40.5 11.9 3.06 .81 .96 1.00 38.5 11.3 3.56 .83 .99 1.00
67�F1135 535 45.0 13.2 2.24 .59 .70 .82 43.0 12.6 2.62 .59 .72 .84 41.0 12.0 3.04 .60 .73 .85 38.5 11.3 3.56 .61 .75 .88
67�F(19�C)
1280 605 46.0 13.5 2.23 .60 .73 .85 44.0 12.9 2.58 .61 .73 .86 42.0 12.3 3.03 .62 .75 .89 39.5 11.6 3.55 .63 .77 .91(19�C)
1445 680 47.5 13.9 2.19 .61 .74 .88 45.5 13.3 2.58 .62 .76 .90 43.0 12.6 3.02 .63 .78 .92 40.5 11.9 3.50 .65 .80 .95
71�F1135 535 47.5 13.9 2.22 .46 .57 .68 45.5 13.3 2.58 .46 .58 .69 43.5 12.7 3.03 .46 .58 .70 41.0 12.0 3.51 .46 .59 .72
71�F(22�C)
1280 605 49.0 14.4 2.20 .46 .58 .70 47.0 13.8 2.58 .47 .59 .71 44.5 13.0 2.98 .47 .60 .72 42.5 12.5 3.50 .48 .61 .75(22�C)
1445 680 50.5 14.8 2.17 .47 .60 .72 48.0 14.1 2.53 .47 .61 .74 46.0 13.5 2.98 .48 .62 .76 43.5 12.7 3.48 .49 .63 .77
SECOND STAGE COOLING CAPACITY − XC21−060 with [CX34−44/48C−6F + G60UHV−60C−090][C33−48C + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1635 770 57.0 16.7 3.85 .74 .86 .97 54.0 15.8 4.34 .75 .88 .99 51.5 15.1 4.86 .77 .90 1.00 48.0 14.1 5.52 .78 .93 1.00
63�F(17�C)
1855 875 58.5 17.1 3.84 .76 .89 1.00 56.0 16.4 4.31 .77 .91 1.00 52.5 15.4 4.90 .79 .93 1.00 49.0 14.4 5.53 .81 .96 1.00(17�C)
2070 975 60.0 17.6 3.85 .78 .92 1.00 57.0 16.7 4.36 .79 .94 1.00 54.0 15.8 4.92 .81 .97 1.00 50.5 14.8 5.51 .84 .99 1.00
67�F1635 770 60.5 17.7 3.84 .59 .71 .82 57.5 16.9 4.37 .60 .72 .84 54.0 15.8 4.92 .61 .74 .86 50.5 14.8 5.53 .62 .76 .89
67�F(19�C)
1855 875 62.0 18.2 3.88 .61 .73 .85 59.0 17.3 4.37 .62 .75 .87 55.5 16.3 4.91 .63 .76 .90 52.0 15.2 5.55 .64 .79 .93(19�C)
2070 975 63.5 18.6 3.87 .63 .75 .88 60.5 17.7 4.36 .63 .77 .90 57.0 16.7 4.93 .64 .79 .93 53.5 15.7 5.56 .66 .81 .96
71�F1635 770 64.0 18.8 3.85 .47 .58 .68 60.5 17.7 4.38 .47 .59 .70 57.5 16.9 4.95 .48 .60 .72 53.5 15.7 5.58 .48 .61 .73
71�F(22�C)
1855 875 66.0 19.3 3.89 .47 .59 .71 62.5 18.3 4.40 .48 .60 .72 59.0 17.3 4.96 .48 .61 .74 55.0 16.1 5.57 .49 .63 .76(22�C)
2070 975 67.0 19.6 3.90 .48 .61 .73 64.0 18.8 4.41 .49 .62 .75 60.0 17.6 4.92 .49 .63 .77 56.0 16.4 5.58 .50 .65 .79
FIRST STAGE COOLING CAPACITY − XC21−060 with [CX34−44/48C−6F + G61MPV−60C−090][C33−48C + G61MPV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1185 560 42.5 12.5 2.26 .74 .86 .98 41.0 12.0 2.62 .75 .88 1.00 39.0 11.4 3.08 .77 .90 1.00 36.6 10.7 3.61 .78 .93 1.00
63�F(17�C)
1355 640 44.0 12.9 2.24 .76 .90 1.00 42.0 12.3 2.62 .78 .92 1.00 40.0 11.7 3.07 .79 .94 1.00 37.8 11.1 3.59 .81 .97 1.00(17�C)
1545 730 45.5 13.3 2.23 .79 .94 1.00 43.5 12.7 2.61 .81 .96 1.00 41.5 12.2 3.03 .83 .98 1.00 39.0 11.4 3.57 .85 1.00 1.00
67�F1185 560 45.5 13.3 2.23 .59 .71 .83 43.5 12.7 2.62 .60 .73 .85 41.5 12.2 3.02 .61 .74 .87 39.0 11.4 3.56 .62 .76 .89
67�F(19�C)
1355 640 47.0 13.8 2.21 .61 .74 .86 45.0 13.2 2.59 .62 .75 .88 42.5 12.5 3.02 .63 .77 .90 40.0 11.7 3.54 .64 .79 .93(19�C)
1545 730 48.0 14.1 2.20 .63 .77 .90 46.0 13.5 2.57 .64 .78 .92 44.0 12.9 2.98 .65 .80 .95 41.0 12.0 3.51 .66 .82 .97
71�F1185 560 48.0 14.1 2.20 .46 .58 .69 46.0 13.5 2.58 .46 .58 .70 44.0 12.9 2.99 .47 .59 .71 41.5 12.2 3.50 .47 .60 .73
71�F(22�C)
1355 640 49.5 14.5 2.20 .47 .59 .71 47.5 13.9 2.55 .47 .60 .72 45.5 13.3 2.98 .48 .61 .74 43.0 12.6 3.49 .48 .62 .76(22�C)
1545 730 51.0 14.9 2.16 .48 .61 .74 49.0 14.4 2.55 .48 .62 .76 46.5 13.6 2.97 .49 .63 .77 44.0 12.9 3.46 .49 .65 .79
SECOND STAGE COOLING CAPACITY − XC21−060 with [CX34−44/48C−6F + G61MPV−60C−090][C33−48C + G61MPV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1710 805 57.5 16.9 3.83 .75 .87 .98 54.5 16.0 4.35 .76 .89 1.00 52.0 15.2 4.89 .77 .91 1.00 48.5 14.2 5.53 .80 .94 1.00
63�F(17�C)
1925 910 59.0 17.3 3.85 .77 .90 1.00 56.5 16.6 4.35 .78 .92 1.00 53.0 15.5 4.91 .80 .95 1.00 49.5 14.5 5.54 .82 .98 1.00(17�C)
2165 1020 61.0 17.9 3.86 .79 .93 1.00 58.0 17.0 4.36 .81 .96 1.00 54.5 16.0 4.92 .83 .98 1.00 51.0 14.9 5.53 .85 1.00 1.00
67�F1710 805 61.0 17.9 3.86 .60 .72 .83 58.0 17.0 4.36 .61 .73 .86 54.5 16.0 4.90 .62 .75 .88 51.0 14.9 5.54 .63 .77 .91
67�F(19�C)
1925 910 62.5 18.3 3.86 .62 .74 .86 59.5 17.4 4.35 .63 .76 .88 56.0 16.4 4.92 .64 .78 .91 52.5 15.4 5.56 .65 .80 .94(19�C)
2165 1020 64.0 18.8 3.85 .63 .77 .90 61.0 17.9 4.38 .64 .78 .92 57.5 16.9 4.94 .65 .80 .95 54.0 15.8 5.57 .67 .83 .98
71�F1710 805 64.5 18.9 3.87 .47 .58 .69 61.5 18.0 4.40 .48 .59 .71 58.0 17.0 4.95 .48 .60 .73 54.5 16.0 5.55 .49 .62 .74
71�F(22�C)
1925 910 66.0 19.3 3.90 .48 .60 .72 63.0 18.5 4.40 .48 .61 .73 59.5 17.4 4.94 .49 .62 .75 55.5 16.3 5.58 .50 .64 .77(22�C)
2165 1020 68.0 19.9 3.91 .49 .62 .74 64.5 18.9 4.39 .49 .63 .76 61.0 17.9 4.96 .50 .64 .78 56.5 16.6 5.59 .51 .66 .80
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 5 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 108
FIRST STAGE COOLING CAPACITY − XC21−060 with [CX34−49C−6F + G60UHV−60C−090][C33−49C + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1135 535 42.5 12.5 2.27 .73 .85 .97 41.0 12.0 2.63 .74 .87 .99 39.0 11.4 3.08 .76 .89 1.00 36.8 10.8 3.61 .78 .92 1.00
63�F(17�C)
1280 605 44.0 12.9 2.24 .75 .88 1.00 42.0 12.3 2.62 .77 .90 1.00 40.0 11.7 3.06 .78 .93 1.00 37.8 11.1 3.59 .80 .95 1.00(17�C)
1445 680 45.5 13.3 2.23 .78 .92 1.00 43.5 12.7 2.61 .79 .94 1.00 41.5 12.2 3.03 .81 .96 1.00 39.0 11.4 3.58 .83 .99 1.00
67�F1135 535 45.0 13.2 2.23 .59 .71 .82 43.5 12.7 2.61 .60 .72 .84 41.5 12.2 3.04 .60 .73 .86 39.0 11.4 3.55 .61 .75 .88
67�F(19�C)
1280 605 46.5 13.6 2.20 .60 .73 .85 44.5 13.0 2.58 .61 .74 .87 42.5 12.5 3.02 .62 .76 .89 40.5 11.9 3.54 .63 .78 .92(19�C)
1445 680 48.0 14.1 2.20 .62 .75 .88 46.0 13.5 2.58 .63 .77 .90 44.0 12.9 3.01 .64 .78 .93 41.5 12.2 3.50 .65 .81 .96
71�F1135 535 48.0 14.1 2.22 .46 .57 .68 46.0 13.5 2.58 .46 .58 .69 43.5 12.7 3.02 .46 .59 .71 41.5 12.2 3.51 .47 .60 .72
71�F(22�C)
1280 605 49.0 14.4 2.19 .46 .59 .70 47.0 13.8 2.54 .47 .59 .71 45.0 13.2 2.98 .47 .60 .73 42.5 12.5 3.49 .48 .62 .75(22�C)
1445 680 50.5 14.8 2.18 .47 .60 .73 48.5 14.2 2.55 .48 .61 .74 46.0 13.5 2.97 .48 .62 .76 44.0 12.9 3.45 .49 .64 .78
SECOND STAGE COOLING CAPACITY − XC21−060 with [CX34−49C−6F + G60UHV−60C−090][C33−49C + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1635 770 58.5 17.1 3.84 .74 .86 .98 55.5 16.3 4.31 .75 .88 1.00 52.5 15.4 4.90 .77 .90 1.00 49.0 14.4 5.53 .79 .93 1.00
63�F(17�C)
1855 875 60.0 17.6 3.85 .76 .89 1.00 57.5 16.9 4.36 .78 .91 1.00 54.0 15.8 4.92 .79 .94 1.00 50.5 14.8 5.52 .82 .97 1.00(17�C)
2070 975 62.0 18.2 3.84 .78 .92 1.00 58.5 17.1 4.37 .80 .95 1.00 55.5 16.3 4.93 .82 .97 1.00 52.0 15.2 5.55 .85 1.00 1.00
67�F1635 770 61.5 18.0 3.87 .60 .71 .83 58.5 17.1 4.37 .61 .73 .84 55.5 16.3 4.92 .61 .74 .87 52.0 15.2 5.55 .63 .76 .90
67�F(19�C)
1855 875 63.5 18.6 3.87 .61 .74 .86 60.5 17.7 4.37 .62 .75 .88 57.5 16.9 4.94 .63 .77 .90 53.5 15.7 5.57 .65 .79 .94(19�C)
2070 975 65.0 19.0 3.89 .62 .76 .89 62.0 18.2 4.40 .64 .78 .91 58.5 17.1 4.96 .65 .80 .94 55.0 16.1 5.55 .67 .82 .97
71�F1635 770 65.0 19.0 3.88 .46 .58 .69 62.0 18.2 4.39 .47 .59 .70 58.5 17.1 4.95 .47 .60 .72 55.0 16.1 5.57 .48 .61 .74
71�F(22�C)
1855 875 67.0 19.6 3.89 .48 .60 .71 63.5 18.6 4.41 .48 .61 .73 60.5 17.7 4.92 .49 .62 .74 56.5 16.6 5.59 .49 .63 .77(22�C)
2070 975 68.0 19.9 3.90 .48 .61 .73 65.0 19.0 4.38 .49 .62 .75 61.5 18.0 4.97 .49 .64 .77 58.0 17.0 5.61 .50 .65 .79
FIRST STAGE COOLING CAPACITY − XC21−060 with [CX34−49C−6F + G61MPV−60C−090][C33−49C + G61MPV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1185 560 43.5 12.7 2.24 .74 .86 .98 41.5 12.2 2.63 .75 .88 1.00 39.5 11.6 3.07 .77 .90 1.00 37.2 10.9 3.60 .79 .93 1.00
63�F(17�C)
1355 640 44.5 13.0 2.23 .76 .90 1.00 43.0 12.6 2.61 .78 .92 1.00 40.5 11.9 3.06 .80 .95 1.00 38.5 11.3 3.56 .82 .97 1.00(17�C)
1545 730 46.0 13.5 2.20 .79 .94 1.00 44.0 12.9 2.59 .81 .96 1.00 42.0 12.3 3.03 .83 .99 1.00 39.5 11.6 3.54 .85 1.00 1.00
67�F1185 560 45.5 13.3 2.23 .60 .72 .83 44.0 12.9 2.58 .60 .73 .85 42.0 12.3 3.03 .61 .74 .87 39.5 11.6 3.55 .62 .76 .89
67�F(19�C)
1355 640 47.5 13.9 2.20 .61 .74 .86 45.5 13.3 2.58 .62 .75 .88 43.0 12.6 3.02 .63 .77 .91 41.0 12.0 3.53 .64 .79 .94(19�C)
1545 730 48.5 14.2 2.20 .63 .77 .90 46.5 13.6 2.57 .64 .78 .92 44.5 13.0 2.99 .65 .80 .95 42.0 12.3 3.51 .66 .82 .98
71�F1185 560 48.5 14.2 2.20 .46 .58 .69 46.5 13.6 2.57 .46 .59 .70 44.0 12.9 2.98 .47 .59 .72 42.0 12.3 3.50 .47 .61 .73
71�F(22�C)
1355 640 50.0 14.7 2.17 .47 .60 .71 48.0 14.1 2.55 .47 .60 .73 45.5 13.3 2.97 .48 .61 .74 43.0 12.6 3.48 .48 .63 .76(22�C)
1545 730 51.5 15.1 2.18 .48 .61 .74 49.0 14.4 2.54 .48 .62 .76 47.0 13.8 2.96 .49 .64 .78 44.5 13.0 3.46 .50 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−060 with [CX34−49C−6F + G61MPV−60C−090][C33−49C + G61MPV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1710 805 59.0 17.3 3.85 .75 .87 .99 56.0 16.4 4.34 .76 .89 1.00 53.0 15.5 4.91 .78 .92 1.00 49.5 14.5 5.54 .80 .95 1.00
63�F(17�C)
1925 910 61.0 17.9 3.86 .77 .90 1.00 58.0 17.0 4.36 .79 .93 1.00 54.5 16.0 4.93 .81 .95 1.00 51.0 14.9 5.53 .83 .99 1.00(17�C)
2165 1020 62.5 18.3 3.85 .80 .94 1.00 59.5 17.4 4.38 .81 .96 1.00 56.0 16.4 4.91 .84 .99 1.00 52.5 15.4 5.52 .86 1.00 1.00
67�F1710 805 62.5 18.3 3.85 .60 .72 .84 59.5 17.4 4.35 .61 .74 .86 56.0 16.4 4.93 .62 .75 .88 52.5 15.4 5.56 .64 .78 .91
67�F(19�C)
1925 910 64.0 18.8 3.85 .62 .74 .87 61.0 17.9 4.38 .63 .76 .89 58.0 17.0 4.95 .64 .78 .92 54.0 15.8 5.58 .66 .80 .95(19�C)
2165 1020 66.0 19.3 3.89 .64 .77 .90 62.5 18.3 4.41 .65 .79 .93 59.0 17.3 4.96 .66 .81 .96 55.5 16.3 5.57 .68 .84 .99
71�F1710 805 66.0 19.3 3.89 .47 .59 .70 62.5 18.3 4.39 .47 .60 .71 59.0 17.3 4.93 .48 .61 .73 55.5 16.3 5.58 .49 .62 .75
71�F(22�C)
1925 910 67.0 19.6 3.90 .48 .60 .72 64.5 18.9 4.39 .49 .61 .74 61.0 17.9 4.96 .49 .63 .75 57.0 16.7 5.60 .50 .64 .78(22�C)
2165 1020 69.0 20.2 3.90 .49 .62 .75 66.0 19.3 4.42 .49 .63 .76 62.5 18.3 4.98 .50 .65 .79 58.5 17.1 5.62 .51 .66 .81
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 5 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 109
FIRST STAGE COOLING CAPACITY − XC21−060 with [CX34−50/60C−6F + G60UHV−60C−090][C33−50/50C + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1135 535 42.5 12.5 2.26 .74 .86 .98 41.0 12.0 2.62 .74 .87 .99 39.0 11.4 3.08 .76 .90 1.00 36.8 10.8 3.61 .78 .92 1.00
63�F(17�C)
1280 605 44.0 12.9 2.22 .75 .89 1.00 42.0 12.3 2.62 .77 .91 1.00 40.0 11.7 3.07 .79 .93 1.00 37.8 11.1 3.59 .81 .96 1.00(17�C)
1445 680 45.0 13.2 2.23 .78 .92 1.00 43.5 12.7 2.61 .79 .94 1.00 41.0 12.0 3.03 .81 .97 1.00 39.0 11.4 3.56 .83 .99 1.00
67�F1135 535 45.5 13.3 2.23 .59 .71 .82 43.5 12.7 2.62 .60 .72 .84 41.5 12.2 3.02 .60 .73 .86 39.0 11.4 3.56 .62 .75 .88
67�F(19�C)
1280 605 47.0 13.8 2.23 .60 .73 .85 45.0 13.2 2.59 .61 .74 .87 42.5 12.5 3.02 .62 .76 .90 40.0 11.7 3.54 .63 .78 .92(19�C)
1445 680 48.0 14.1 2.20 .62 .75 .89 46.0 13.5 2.58 .63 .77 .91 43.5 12.7 3.01 .64 .78 .93 41.0 12.0 3.50 .65 .80 .96
71�F1135 535 48.0 14.1 2.19 .46 .57 .68 46.0 13.5 2.58 .46 .58 .70 44.0 12.9 2.99 .46 .59 .71 41.5 12.2 3.49 .47 .60 .73
71�F(22�C)
1280 605 49.5 14.5 2.20 .46 .59 .71 47.5 13.9 2.55 .46 .59 .71 45.5 13.3 2.96 .47 .60 .73 43.0 12.6 3.49 .48 .62 .75(22�C)
1445 680 51.0 14.9 2.17 .47 .60 .73 49.0 14.4 2.55 .48 .61 .74 46.5 13.6 2.97 .48 .62 .76 44.0 12.9 3.45 .49 .64 .78
SECOND STAGE COOLING CAPACITY − XC21−060 with [CX34−50/60C−6F + G60UHV−60C−090][C33−50/50C + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1635 770 58.0 17.0 3.83 .74 .86 .98 55.0 16.1 4.35 .75 .88 1.00 52.0 15.2 4.89 .77 .91 1.00 48.5 14.2 5.53 .79 .94 1.00
63�F(17�C)
1855 875 59.5 17.4 3.85 .76 .89 1.00 56.5 16.6 4.35 .78 .92 1.00 53.5 15.7 4.91 .80 .94 1.00 50.0 14.7 5.54 .82 .97 1.00(17�C)
2070 975 61.0 17.9 3.87 .78 .93 1.00 58.0 17.0 4.37 .80 .95 1.00 54.5 16.0 4.92 .82 .98 1.00 51.0 14.9 5.53 .85 1.00 1.00
67�F1635 770 61.5 18.0 3.86 .60 .71 .83 58.5 17.1 4.36 .60 .73 .85 55.0 16.1 4.90 .62 .74 .87 51.5 15.1 5.54 .63 .76 .90
67�F(19�C)
1855 875 63.0 18.5 3.86 .61 .74 .86 60.0 17.6 4.35 .62 .75 .88 56.5 16.6 4.93 .63 .77 .91 53.0 15.5 5.56 .65 .79 .94(19�C)
2070 975 64.5 18.9 3.88 .63 .76 .89 61.5 18.0 4.39 .64 .78 .92 58.0 17.0 4.94 .65 .80 .94 54.0 15.8 5.57 .67 .82 .97
71�F1635 770 65.0 19.0 3.88 .47 .58 .69 62.0 18.2 4.38 .47 .59 .70 58.5 17.1 4.96 .48 .60 .72 54.5 16.0 5.55 .48 .61 .74
71�F(22�C)
1855 875 67.0 19.6 3.89 .48 .59 .71 63.5 18.6 4.41 .48 .61 .73 60.0 17.6 4.94 .48 .62 .75 56.0 16.4 5.58 .49 .63 .77(22�C)
2070 975 68.0 19.9 3.92 .48 .61 .74 65.0 19.0 4.39 .49 .62 .75 61.0 17.9 4.96 .49 .63 .77 57.0 16.7 5.59 .50 .65 .79
FIRST STAGE COOLING CAPACITY − XC21−060 with [CX34−50/60C−6F + G61MPV−60C−090][C33−50/50C + G61MPV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1185 560 43.0 12.6 2.26 .74 .87 .99 41.5 12.2 2.63 .75 .88 1.00 39.5 11.6 3.07 .77 .91 1.00 37.0 10.8 3.60 .79 .94 1.00
63�F(17�C)
1355 640 44.5 13.0 2.23 .77 .91 1.00 42.5 12.5 2.62 .78 .93 1.00 40.5 11.9 3.06 .80 .95 1.00 38.5 11.3 3.56 .82 .98 1.00(17�C)
1545 730 46.0 13.5 2.22 .80 .94 1.00 44.0 12.9 2.59 .81 .96 1.00 41.5 12.2 3.03 .83 .99 1.00 39.5 11.6 3.53 .86 1.00 1.00
67�F1185 560 46.0 13.5 2.23 .59 .72 .83 44.0 12.9 2.62 .60 .73 .85 42.0 12.3 3.03 .61 .74 .87 39.5 11.6 3.55 .62 .76 .90
67�F(19�C)
1355 640 47.5 13.9 2.19 .61 .74 .87 45.5 13.3 2.58 .62 .76 .89 43.0 12.6 3.02 .63 .77 .91 40.5 11.9 3.53 .64 .79 .94(19�C)
1545 730 48.5 14.2 2.20 .63 .77 .91 46.5 13.6 2.57 .64 .79 .93 44.0 12.9 2.98 .65 .80 .95 41.5 12.2 3.50 .66 .83 .98
71�F1185 560 48.5 14.2 2.20 .46 .58 .69 46.5 13.6 2.58 .46 .58 .70 44.5 13.0 2.98 .47 .59 .71 42.0 12.3 3.50 .47 .61 .74
71�F(22�C)
1355 640 50.5 14.8 2.17 .47 .59 .72 48.0 14.1 2.54 .47 .60 .73 46.0 13.5 2.98 .48 .62 .75 43.5 12.7 3.48 .48 .63 .77(22�C)
1545 730 51.5 15.1 2.17 .47 .61 .74 49.5 14.5 2.54 .48 .62 .76 47.0 13.8 2.96 .49 .64 .78 44.5 13.0 3.46 .50 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−060 with [CX34−50/60C−6F + G61MPV−60C−090][C33−50/50C + G61MPV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1710 805 58.5 17.1 3.84 .75 .87 .99 55.5 16.3 4.32 .76 .90 1.00 52.5 15.4 4.90 .78 .92 1.00 49.0 14.4 5.53 .80 .95 1.00
63�F(17�C)
1925 910 60.0 17.6 3.85 .77 .91 1.00 57.0 16.7 4.36 .79 .93 1.00 54.0 15.8 4.92 .81 .96 1.00 50.5 14.8 5.51 .83 .99 1.00(17�C)
2165 1020 62.0 18.2 3.85 .80 .94 1.00 58.5 17.1 4.37 .82 .97 1.00 55.5 16.3 4.92 .84 .99 1.00 51.5 15.1 5.55 .86 1.00 1.00
67�F1710 805 62.0 18.2 3.88 .60 .72 .84 59.0 17.3 4.37 .61 .74 .86 55.5 16.3 4.92 .62 .75 .88 52.0 15.2 5.55 .63 .78 .92
67�F(19�C)
1925 910 63.5 18.6 3.87 .62 .75 .87 60.5 17.7 4.37 .63 .76 .89 57.0 16.7 4.94 .64 .78 .92 53.5 15.7 5.56 .65 .81 .95(19�C)
2165 1020 65.0 19.0 3.88 .63 .77 .91 62.0 18.2 4.39 .65 .79 .93 58.5 17.1 4.95 .66 .81 .96 55.0 16.1 5.55 .68 .84 .99
71�F1710 805 66.0 19.3 3.89 .47 .59 .70 62.5 18.3 4.40 .48 .60 .71 59.0 17.3 4.97 .48 .61 .73 55.5 16.3 5.54 .49 .62 .75
71�F(22�C)
1925 910 67.0 19.6 3.90 .48 .60 .72 64.0 18.8 4.42 .49 .61 .74 60.5 17.7 4.93 .49 .63 .76 56.5 16.6 5.59 .50 .64 .78(22�C)
2165 1020 69.0 20.2 3.91 .49 .62 .75 66.0 19.3 4.39 .50 .63 .76 61.5 18.0 4.97 .50 .65 .79 57.5 16.9 5.60 .51 .66 .81
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 5 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 110
FIRST STAGE COOLING CAPACITY − XC21−060 with [CX34−60D−6F + G60UHV−60D−135][C33−60D + G60UHV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1185 560 44.0 12.9 2.23 .74 .87 .99 42.0 12.3 2.62 .76 .89 1.00 40.0 11.7 3.06 .78 .92 1.00 37.6 11.0 3.59 .80 .95 1.00
63�F(17�C)
1330 630 45.0 13.2 2.23 .76 .90 1.00 43.0 12.6 2.61 .78 .93 1.00 41.0 12.0 3.03 .80 .95 1.00 38.5 11.3 3.56 .82 .98 1.00(17�C)
1495 705 46.5 13.6 2.20 .80 .94 1.00 44.0 12.9 2.59 .81 .97 1.00 42.0 12.3 3.03 .83 .99 1.00 40.0 11.7 3.54 .85 1.00 1.00
67�F1185 560 46.5 13.6 2.23 .59 .72 .84 44.5 13.0 2.57 .60 .73 .86 42.5 12.5 3.02 .61 .75 .88 40.0 11.7 3.54 .63 .77 .91
67�F(19�C)
1330 630 47.5 13.9 2.20 .61 .74 .87 45.5 13.3 2.57 .62 .75 .89 43.5 12.7 3.01 .63 .78 .92 41.0 12.0 3.50 .64 .80 .95(19�C)
1495 705 49.0 14.4 2.19 .63 .77 .91 47.0 13.8 2.54 .64 .79 .93 44.5 13.0 2.98 .65 .81 .96 42.0 12.3 3.50 .66 .83 .99
71�F1185 560 49.5 14.5 2.19 .46 .58 .69 47.5 13.9 2.55 .46 .58 .71 45.0 13.2 2.97 .46 .60 .72 42.5 12.5 3.49 .47 .61 .74
71�F(22�C)
1330 630 51.0 14.9 2.17 .46 .59 .71 48.5 14.2 2.55 .47 .60 .73 46.5 13.6 2.97 .47 .62 .75 44.0 12.9 3.45 .48 .63 .77(22�C)
1495 705 52.0 15.2 2.18 .47 .61 .74 50.0 14.7 2.54 .48 .62 .76 47.5 13.9 2.94 .48 .63 .78 44.5 13.0 3.46 .49 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−060 with [CX34−60D−6F + G60UHV−60D−135][C33−60D + G60UHV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1690 800 59.5 17.4 3.85 .75 .88 1.00 56.5 16.6 4.34 .77 .90 1.00 53.5 15.7 4.91 .79 .93 1.00 50.0 14.7 5.54 .81 .96 1.00
63�F(17�C)
1900 895 61.0 17.9 3.87 .78 .92 1.00 58.0 17.0 4.37 .79 .94 1.00 55.0 16.1 4.92 .81 .97 1.00 51.0 14.9 5.53 .84 .99 1.00(17�C)
2135 1010 63.0 18.5 3.86 .80 .95 1.00 59.5 17.4 4.38 .82 .98 1.00 56.5 16.6 4.90 .85 1.00 1.00 53.0 15.5 5.52 .87 1.00 1.00
67�F1690 800 63.0 18.5 3.86 .61 .73 .85 60.0 17.6 4.35 .61 .74 .87 56.5 16.6 4.93 .62 .76 .89 53.0 15.5 5.56 .64 .78 .92
67�F(19�C)
1900 895 64.5 18.9 3.88 .62 .75 .88 61.5 18.0 4.38 .63 .77 .90 58.0 17.0 4.95 .64 .79 .93 54.5 16.0 5.57 .65 .81 .96(19�C)
2135 1010 66.0 19.3 3.89 .64 .78 .92 63.0 18.5 4.41 .65 .80 .94 59.5 17.4 4.96 .66 .82 .97 55.5 16.3 5.57 .68 .85 1.00
71�F1690 800 67.0 19.6 3.89 .47 .59 .70 63.5 18.6 4.40 .47 .60 .72 60.0 17.6 4.94 .48 .61 .74 56.0 16.4 5.58 .48 .62 .75
71�F(22�C)
1900 895 68.0 19.9 3.92 .48 .61 .73 65.0 19.0 4.39 .48 .61 .74 61.5 18.0 4.96 .48 .62 .76 57.0 16.7 5.59 .49 .64 .79(22�C)
2135 1010 70.0 20.5 3.90 .48 .62 .75 66.0 19.3 4.42 .49 .63 .77 62.5 18.3 4.98 .50 .65 .79 58.5 17.1 5.60 .51 .66 .82
FIRST STAGE COOLING CAPACITY − XC21−060 with [CX34−60D−6F + G61MPV−60D−135][C33−60D + G61MPV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1240 585 44.5 13.0 2.23 .75 .89 1.00 42.5 12.5 2.61 .76 .91 1.00 40.5 11.9 3.06 .79 .93 1.00 38.0 11.1 3.59 .81 .96 1.00
63�F(17�C)
1390 655 45.5 13.3 2.22 .78 .92 1.00 43.5 12.7 2.61 .80 .94 1.00 41.5 12.2 3.03 .81 .97 1.00 39.0 11.4 3.57 .84 1.00 1.00(17�C)
1545 730 46.5 13.6 2.21 .80 .95 1.00 44.5 13.0 2.59 .82 .98 1.00 42.5 12.5 3.03 .84 1.00 1.00 40.0 11.7 3.53 .87 1.00 1.00
67�F1240 585 47.0 13.8 2.20 .60 .73 .85 45.0 13.2 2.58 .61 .74 .87 43.0 12.6 3.02 .62 .76 .89 40.5 11.9 3.53 .63 .78 .92
67�F(19�C)
1390 655 48.0 14.1 2.20 .62 .75 .88 46.0 13.5 2.57 .63 .77 .91 44.0 12.9 2.98 .64 .79 .93 41.5 12.2 3.50 .65 .81 .96(19�C)
1545 730 49.5 14.5 2.19 .63 .78 .92 47.5 13.9 2.55 .64 .80 .94 45.0 13.2 2.99 .65 .82 .97 42.5 12.5 3.47 .67 .84 .99
71�F1240 585 50.0 14.7 2.19 .46 .58 .70 48.0 14.1 2.54 .47 .59 .72 45.5 13.3 2.98 .47 .61 .73 43.0 12.6 3.49 .47 .62 .75
71�F(22�C)
1390 655 51.5 15.1 2.16 .47 .60 .73 49.0 14.4 2.55 .47 .61 .74 47.0 13.8 2.97 .48 .62 .76 44.0 12.9 3.45 .49 .64 .78(22�C)
1545 730 52.5 15.4 2.18 .48 .62 .75 50.0 14.7 2.54 .48 .63 .77 48.0 14.1 2.94 .49 .64 .79 45.0 13.2 3.46 .49 .66 .82
SECOND STAGE COOLING CAPACITY − XC21−060 with [CX34−60D−6F + G61MPV−60D−135][C33−60D + G61MPV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1780 840 60.5 17.7 3.85 .76 .90 1.00 57.5 16.9 4.36 .78 .92 1.00 54.0 15.8 4.92 .80 .95 1.00 50.5 14.8 5.54 .82 .98 1.00
63�F(17�C)
1985 935 62.0 18.2 3.86 .79 .93 1.00 58.5 17.1 4.37 .80 .95 1.00 55.5 16.3 4.93 .82 .98 1.00 51.5 15.1 5.54 .85 1.00 1.00(17�C)
2190 1035 63.5 18.6 3.86 .81 .96 1.00 60.0 17.6 4.38 .83 .99 1.00 56.5 16.6 4.91 .85 1.00 1.00 53.5 15.7 5.55 .88 1.00 1.00
67�F1780 840 63.5 18.6 3.87 .61 .74 .86 60.5 17.7 4.37 .62 .75 .88 57.5 16.9 4.94 .63 .77 .91 53.5 15.7 5.57 .65 .80 .94
67�F(19�C)
1985 935 65.0 19.0 3.89 .62 .76 .89 62.0 18.2 4.40 .64 .78 .92 58.5 17.1 4.95 .65 .80 .95 55.0 16.1 5.58 .66 .83 .98(19�C)
2190 1035 67.0 19.6 3.90 .64 .79 .93 63.5 18.6 4.41 .65 .81 .95 60.0 17.6 4.96 .67 .83 .98 56.0 16.4 5.57 .68 .86 1.00
71�F1780 840 67.0 19.6 3.91 .47 .60 .72 64.0 18.8 4.41 .48 .60 .73 60.5 17.7 4.96 .48 .61 .75 56.5 16.6 5.59 .49 .63 .77
71�F(22�C)
1985 935 69.0 20.2 3.91 .48 .61 .74 66.0 19.3 4.41 .48 .62 .75 62.0 18.2 4.97 .49 .64 .78 57.5 16.9 5.60 .50 .65 .80(22�C)
2190 1035 70.0 20.5 3.92 .49 .63 .76 67.0 19.6 4.42 .49 .64 .78 63.0 18.5 4.98 .50 .65 .80 59.0 17.3 5.61 .51 .67 .83
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 5 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 111
FIRST STAGE COOLING CAPACITY − XC21−060 with [CX34−62C−6F + G60UHV−60C−090][C33−62C + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1135 535 44.0 12.9 2.23 .74 .87 .99 42.0 12.3 2.61 .76 .89 1.00 40.0 11.7 3.06 .77 .91 1.00 38.0 11.1 3.59 .79 .94 1.00
63�F(17�C)
1280 605 45.5 13.3 2.22 .77 .91 1.00 43.5 12.7 2.61 .78 .93 1.00 41.5 12.2 3.02 .80 .95 1.00 39.0 11.4 3.57 .82 .99 1.00(17�C)
1445 680 47.0 13.8 2.22 .80 .95 1.00 45.0 13.2 2.58 .82 .97 1.00 42.5 12.5 3.00 .83 .99 1.00 40.5 11.9 3.52 .86 1.00 1.00
67�F1135 535 47.0 13.8 2.20 .59 .71 .84 45.0 13.2 2.58 .60 .73 .85 43.0 12.6 3.02 .61 .75 .88 40.5 11.9 3.54 .62 .77 .91
67�F(19�C)
1280 605 48.5 14.2 2.20 .61 .74 .87 46.5 13.6 2.57 .62 .76 .89 44.0 12.9 3.00 .63 .78 .92 41.5 12.2 3.50 .64 .80 .95(19�C)
1445 680 50.0 14.7 2.19 .63 .77 .91 47.5 13.9 2.54 .64 .79 .94 45.0 13.2 3.00 .65 .81 .96 42.5 12.5 3.48 .66 .83 .99
71�F1135 535 50.0 14.7 2.19 .46 .57 .69 48.0 14.1 2.54 .46 .58 .70 45.5 13.3 2.98 .47 .59 .72 43.0 12.6 3.49 .47 .61 .74
71�F(22�C)
1280 605 51.5 15.1 2.17 .47 .59 .72 49.0 14.4 2.55 .47 .60 .73 47.0 13.8 2.97 .47 .61 .75 44.0 12.9 3.45 .48 .63 .77(22�C)
1445 680 53.0 15.5 2.17 .47 .61 .75 50.5 14.8 2.53 .48 .62 .76 48.0 14.1 2.94 .48 .64 .78 45.5 13.3 3.46 .49 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−060 with [CX34−62C−6F + G60UHV−60C−090][C33−62C + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1635 770 60.5 17.7 3.85 .75 .89 1.00 57.5 16.9 4.36 .77 .91 1.00 54.5 16.0 4.92 .79 .94 1.00 50.5 14.8 5.54 .82 .97 1.00
63�F(17�C)
1855 875 62.5 18.3 3.87 .79 .93 1.00 59.0 17.3 4.38 .80 .95 1.00 56.0 16.4 4.93 .82 .98 1.00 52.0 15.2 5.53 .85 1.00 1.00(17�C)
2070 975 64.0 18.8 3.86 .81 .96 1.00 60.5 17.7 4.38 .83 .99 1.00 57.5 16.9 4.94 .86 1.00 1.00 54.0 15.8 5.56 .89 1.00 1.00
67�F1635 770 64.0 18.8 3.88 .60 .73 .85 61.0 17.9 4.38 .61 .74 .87 57.5 16.9 4.94 .63 .76 .90 54.0 15.8 5.57 .64 .79 .93
67�F(19�C)
1855 875 66.0 19.3 3.89 .62 .76 .89 62.5 18.3 4.40 .63 .78 .91 59.0 17.3 4.95 .65 .80 .94 55.0 16.1 5.55 .66 .82 .98(19�C)
2070 975 68.0 19.9 3.90 .64 .79 .93 64.5 18.9 4.41 .65 .81 .95 60.5 17.7 4.97 .67 .83 .98 56.5 16.6 5.58 .69 .86 1.00
71�F1635 770 68.0 19.9 3.91 .47 .59 .71 64.5 18.9 4.39 .47 .60 .72 61.0 17.9 4.96 .48 .61 .74 57.0 16.7 5.60 .48 .62 .76
71�F(22�C)
1855 875 70.0 20.5 3.91 .47 .61 .73 66.0 19.3 4.42 .48 .62 .75 62.5 18.3 4.99 .49 .63 .77 58.5 17.1 5.61 .50 .65 .80(22�C)
2070 975 72.0 21.1 3.94 .49 .63 .76 68.0 19.9 4.44 .49 .64 .78 64.0 18.8 4.99 .50 .66 .81 60.0 17.6 5.59 .51 .67 .83
FIRST STAGE COOLING CAPACITY − XC21−060 with [CX34−62C−6F + G61MPV−60C−090][C33−62C + G61MPV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1185 560 44.5 13.0 2.23 .75 .89 1.00 43.0 12.6 2.61 .77 .91 1.00 40.5 11.9 3.06 .78 .93 1.00 38.5 11.3 3.56 .80 .96 1.00
63�F(17�C)
1355 640 46.5 13.6 2.20 .78 .93 1.00 44.0 12.9 2.60 .80 .95 1.00 42.0 12.3 3.03 .81 .98 1.00 39.5 11.6 3.54 .84 1.00 1.00(17�C)
1545 730 47.5 13.9 2.20 .82 .98 1.00 45.5 13.3 2.59 .84 .99 1.00 43.5 12.7 3.00 .86 1.00 1.00 41.5 12.2 3.51 .88 1.00 1.00
67�F1185 560 47.5 13.9 2.19 .60 .72 .85 45.5 13.3 2.58 .61 .74 .87 43.5 12.7 3.01 .62 .76 .89 41.0 12.0 3.53 .63 .78 .92
67�F(19�C)
1355 640 49.0 14.4 2.19 .62 .76 .89 47.0 13.8 2.57 .63 .77 .92 44.5 13.0 2.98 .64 .79 .94 42.0 12.3 3.50 .66 .82 .97(19�C)
1545 730 50.5 14.8 2.17 .64 .79 .94 48.5 14.2 2.55 .65 .81 .96 46.0 13.5 2.95 .66 .83 .99 43.0 12.6 3.47 .68 .86 1.00
71�F1185 560 50.5 14.8 2.17 .46 .58 .70 48.5 14.2 2.55 .47 .59 .71 46.0 13.5 2.98 .47 .60 .73 43.5 12.7 3.48 .47 .61 .75
71�F(22�C)
1355 640 52.0 15.2 2.18 .47 .61 .73 50.0 14.7 2.54 .48 .61 .75 47.5 13.9 2.93 .48 .62 .76 45.0 13.2 3.45 .49 .63 .78(22�C)
1545 730 53.5 15.7 2.17 .48 .63 .77 51.5 15.1 2.50 .49 .64 .78 49.0 14.4 2.94 .49 .65 .81 46.0 13.5 3.41 .50 .67 .83
SECOND STAGE COOLING CAPACITY − XC21−060 with [CX34−62C−6F + G61MPV−60C−090][C33−62C + G61MPV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1710 805 61.0 17.9 3.87 .77 .90 1.00 58.0 17.0 4.36 .78 .93 1.00 55.0 16.1 4.92 .80 .95 1.00 51.5 15.1 5.52 .83 .98 1.00
63�F(17�C)
1925 910 63.0 18.5 3.87 .80 .94 1.00 60.0 17.6 4.38 .81 .97 1.00 56.5 16.6 4.91 .84 .99 1.00 53.0 15.5 5.55 .86 1.00 1.00(17�C)
2165 1020 65.0 19.0 3.86 .83 .98 1.00 61.5 18.0 4.38 .85 1.00 1.00 58.5 17.1 4.94 .87 1.00 1.00 55.0 16.1 5.58 .91 1.00 1.00
67�F1710 805 65.0 19.0 3.86 .61 .74 .87 61.5 18.0 4.39 .62 .76 .89 58.0 17.0 4.95 .63 .78 .92 54.5 16.0 5.57 .65 .80 .95
67�F(19�C)
1925 910 67.0 19.6 3.89 .63 .77 .91 63.0 18.5 4.41 .64 .79 .93 60.0 17.6 4.96 .66 .81 .96 56.0 16.4 5.56 .67 .84 .99(19�C)
2165 1020 68.0 19.9 3.91 .65 .80 .95 65.0 19.0 4.41 .66 .82 .97 61.5 18.0 4.94 .68 .85 1.00 57.0 16.7 5.60 .70 .88 1.00
71�F1710 805 69.0 20.2 3.90 .47 .59 .72 65.0 19.0 4.40 .48 .60 .73 61.5 18.0 4.98 .48 .62 .75 57.5 16.9 5.60 .49 .63 .78
71�F(22�C)
1925 910 70.0 20.5 3.91 .48 .61 .74 67.0 19.6 4.43 .49 .63 .76 63.0 18.5 4.98 .50 .64 .79 59.0 17.3 5.61 .50 .66 .81(22�C)
2165 1020 72.0 21.1 3.94 .50 .64 .78 69.0 20.2 4.44 .50 .65 .80 64.5 18.9 4.97 .51 .67 .82 60.5 17.7 5.60 .52 .69 .85
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CX34/C33 coils].
RATINGS 5 TON
UP−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 112
FIRST STAGE COOLING CAPACITY − XC21−060 with [CX34−62D−6F + G60UHV−60D−135][C33−62D + G60UHV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1185 560 44.0 12.9 2.23 .75 .87 .99 42.0 12.3 2.62 .76 .89 1.00 40.0 11.7 3.06 .77 .92 1.00 37.8 11.1 3.58 .79 .94 1.00
63�F(17�C)
1330 630 45.5 13.3 2.22 .77 .91 1.00 43.5 12.7 2.61 .78 .93 1.00 41.5 12.2 3.03 .80 .95 1.00 39.0 11.4 3.57 .82 .98 1.00(17�C)
1495 705 46.5 13.6 2.21 .80 .94 1.00 44.5 13.0 2.58 .81 .97 1.00 42.5 12.5 3.03 .83 .99 1.00 40.0 11.7 3.52 .85 1.00 1.00
67�F1185 560 46.5 13.6 2.20 .59 .72 .84 45.0 13.2 2.58 .60 .73 .86 42.5 12.5 3.02 .61 .75 .88 40.5 11.9 3.53 .62 .77 .91
67�F(19�C)
1330 630 48.0 14.1 2.20 .60 .74 .87 46.0 13.5 2.57 .62 .75 .89 44.0 12.9 2.98 .63 .78 .92 41.5 12.2 3.50 .64 .80 .94(19�C)
1495 705 49.5 14.5 2.19 .63 .77 .91 47.5 13.9 2.55 .63 .79 .93 45.0 13.2 2.99 .65 .80 .96 42.5 12.5 3.49 .66 .83 .98
71�F1185 560 49.5 14.5 2.19 .46 .58 .69 47.5 13.9 2.54 .46 .58 .70 45.0 13.2 2.98 .47 .59 .72 43.0 12.6 3.49 .47 .61 .74
71�F(22�C)
1330 630 51.0 14.9 2.16 .47 .59 .72 49.0 14.4 2.55 .47 .60 .73 46.5 13.6 2.96 .47 .61 .75 44.0 12.9 3.45 .48 .63 .77(22�C)
1495 705 52.5 15.4 2.17 .47 .61 .74 50.0 14.7 2.53 .48 .62 .76 47.5 13.9 2.94 .48 .63 .78 45.0 13.2 3.46 .49 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−060 with [CX34−62D−6F + G60UHV−60D−135][C33−62D + G60UHV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1690 800 60.0 17.6 3.85 .75 .88 1.00 57.5 16.9 4.36 .77 .90 1.00 54.0 15.8 4.92 .79 .93 1.00 50.5 14.8 5.51 .81 .96 1.00
63�F(17�C)
1900 895 62.0 18.2 3.86 .77 .91 1.00 59.0 17.3 4.37 .79 .94 1.00 55.5 16.3 4.93 .81 .97 1.00 52.0 15.2 5.55 .84 1.00 1.00(17�C)
2135 1010 63.5 18.6 3.86 .80 .95 1.00 60.5 17.7 4.38 .82 .98 1.00 57.0 16.7 4.92 .84 1.00 1.00 53.5 15.7 5.56 .87 1.00 1.00
67�F1690 800 63.5 18.6 3.87 .61 .73 .85 60.5 17.7 4.37 .61 .74 .87 57.5 16.9 4.94 .62 .76 .89 54.0 15.8 5.57 .64 .78 .92
67�F(19�C)
1900 895 65.0 19.0 3.90 .61 .75 .88 62.5 18.3 4.40 .63 .77 .90 59.0 17.3 4.95 .64 .79 .93 55.0 16.1 5.55 .66 .81 .96(19�C)
2135 1010 67.0 19.6 3.90 .64 .78 .92 64.0 18.8 4.41 .65 .80 .94 60.5 17.7 4.97 .66 .82 .97 56.5 16.6 5.58 .68 .84 1.00
71�F1690 800 68.0 19.9 3.91 .47 .59 .70 64.0 18.8 4.42 .47 .60 .72 60.5 17.7 4.95 .48 .61 .73 56.5 16.6 5.59 .48 .62 .76
71�F(22�C)
1900 895 69.0 20.2 3.91 .47 .60 .73 66.0 19.3 4.41 .48 .61 .74 62.0 18.2 4.97 .49 .62 .76 58.0 17.0 5.61 .49 .64 .79(22�C)
2135 1010 71.0 20.8 3.92 .48 .62 .75 67.0 19.6 4.43 .49 .63 .77 63.5 18.6 4.99 .50 .65 .79 59.5 17.4 5.59 .50 .66 .82
FIRST STAGE COOLING CAPACITY − XC21−060 with [CX34−62D−6F + G61MPV−60D−135][C33−62D + G61MPV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1240 585 44.5 13.0 2.23 .75 .88 1.00 42.5 12.5 2.61 .77 .91 1.00 40.5 11.9 3.05 .79 .93 1.00 38.5 11.3 3.56 .80 .96 1.00
63�F(17�C)
1390 655 46.0 13.5 2.22 .78 .92 1.00 44.0 12.9 2.59 .79 .94 1.00 42.0 12.3 3.02 .81 .97 1.00 39.5 11.6 3.53 .83 .99 1.00(17�C)
1545 730 47.0 13.8 2.21 .80 .95 1.00 45.0 13.2 2.58 .82 .98 1.00 42.5 12.5 2.99 .84 1.00 1.00 40.5 11.9 3.52 .87 1.00 1.00
67�F1240 585 47.5 13.9 2.21 .60 .73 .85 45.5 13.3 2.58 .60 .74 .87 43.0 12.6 3.01 .62 .76 .89 40.5 11.9 3.53 .63 .78 .92
67�F(19�C)
1390 655 48.5 14.2 2.19 .61 .75 .88 46.5 13.6 2.57 .63 .77 .91 44.5 13.0 2.98 .64 .79 .93 42.0 12.3 3.50 .65 .81 .96(19�C)
1545 730 50.0 14.7 2.17 .63 .78 .92 47.5 13.9 2.55 .64 .80 .94 45.5 13.3 2.99 .65 .81 .97 42.5 12.5 3.48 .67 .84 .99
71�F1240 585 50.0 14.7 2.19 .46 .58 .70 48.0 14.1 2.53 .46 .59 .72 46.0 13.5 2.97 .47 .61 .73 43.5 12.7 3.48 .47 .62 .75
71�F(22�C)
1390 655 51.5 15.1 2.17 .47 .59 .73 49.5 14.5 2.54 .47 .61 .74 47.0 13.8 2.96 .48 .62 .76 44.5 13.0 3.45 .48 .64 .78(22�C)
1545 730 52.5 15.4 2.17 .48 .62 .75 50.5 14.8 2.53 .48 .63 .77 48.0 14.1 2.94 .49 .64 .79 45.0 13.2 3.46 .49 .66 .81
SECOND STAGE COOLING CAPACITY − XC21−060 with [CX34−62D−6F + G61MPV−60D−135][C33−62D + G61MPV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1780 840 61.0 17.9 3.86 .76 .89 1.00 58.0 17.0 4.36 .78 .92 1.00 55.0 16.1 4.92 .80 .95 1.00 51.0 14.9 5.53 .82 .98 1.00
63�F(17�C)
1985 935 62.5 18.3 3.85 .79 .93 1.00 59.5 17.4 4.37 .80 .95 1.00 56.5 16.6 4.90 .82 .98 1.00 52.5 15.4 5.54 .85 1.00 1.00(17�C)
2190 1035 64.0 18.8 3.86 .81 .96 1.00 61.0 17.9 4.38 .83 .98 1.00 57.5 16.9 4.91 .85 1.00 1.00 54.0 15.8 5.56 .88 1.00 1.00
67�F1780 840 64.5 18.9 3.88 .61 .74 .86 61.5 18.0 4.38 .62 .75 .88 58.0 17.0 4.95 .63 .77 .91 54.5 16.0 5.58 .65 .80 .94
67�F(19�C)
1985 935 66.0 19.3 3.89 .62 .76 .89 63.0 18.5 4.40 .64 .78 .92 59.5 17.4 4.96 .65 .80 .95 55.5 16.3 5.57 .67 .83 .98(19�C)
2190 1035 68.0 19.9 3.91 .64 .79 .93 64.5 18.9 4.42 .65 .81 .95 61.0 17.9 4.94 .67 .83 .98 57.0 16.7 5.59 .68 .86 1.00
71�F1780 840 68.0 19.9 3.92 .47 .60 .71 65.0 19.0 4.39 .47 .60 .73 61.5 18.0 4.96 .48 .61 .75 57.5 16.9 5.60 .49 .63 .77
71�F(22�C)
1985 935 70.0 20.5 3.91 .48 .61 .74 66.0 19.3 4.42 .48 .62 .75 62.5 18.3 4.98 .49 .64 .77 59.0 17.3 5.61 .50 .65 .80(22�C)
2190 1035 71.0 20.8 3.93 .49 .63 .76 68.0 19.9 4.43 .50 .64 .78 64.0 18.8 4.99 .50 .66 .80 60.0 17.6 5.60 .51 .67 .83
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 5 TON
DOWN−FLOW INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 113
FIRST STAGE COOLING CAPACITY − XC21−060 with [CR26−48N/W−2F]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1300 615 43.0 12.6 2.10 .76 .89 1.00 41.0 12.0 2.46 .77 .91 1.00 39.0 11.4 2.86 .79 .93 1.00 37.0 10.8 3.33 .81 .96 1.00
63�F(17�C)
1400 660 43.5 12.7 2.09 .77 .91 1.00 42.0 12.3 2.46 .79 .93 1.00 39.5 11.6 2.86 .80 .95 1.00 37.6 11.0 3.33 .82 .98 1.00(17�C)
1500 710 44.0 12.9 2.09 .79 .93 1.00 42.5 12.5 2.45 .80 .95 1.00 40.5 11.9 2.86 .82 .97 1.00 38.0 11.1 3.33 .84 .99 1.00
67�F1300 615 45.5 13.3 2.08 .61 .74 .86 44.0 12.9 2.44 .62 .75 .88 41.5 12.2 2.84 .63 .76 .90 39.5 11.6 3.31 .64 .78 .92
67�F(19�C)
1400 660 46.5 13.6 2.08 .62 .75 .88 44.5 13.0 2.44 .63 .76 .90 42.5 12.5 2.84 .64 .78 .92 40.0 11.7 3.30 .65 .80 .95(19�C)
1500 710 47.0 13.8 2.08 .63 .76 .90 45.0 13.2 2.43 .64 .78 .92 43.0 12.6 2.84 .65 .79 .94 40.5 11.9 3.30 .66 .82 .97
71�F1300 615 48.5 14.2 2.08 .47 .60 .71 46.5 13.6 2.42 .47 .61 .73 44.5 13.0 2.81 .48 .62 .74 42.0 12.3 3.27 .48 .63 .76
71�F(22�C)
1400 660 49.0 14.4 2.07 .48 .61 .73 47.0 13.8 2.41 .48 .62 .74 45.0 13.2 2.81 .48 .63 .76 42.5 12.5 3.27 .49 .64 .77(22�C)
1500 710 50.0 14.7 2.07 .48 .62 .74 47.5 13.9 2.41 .49 .63 .75 45.5 13.3 2.80 .49 .64 .77 43.0 12.6 3.27 .50 .65 .79
SECOND STAGE COOLING CAPACITY − XC21−060 with [CR26−48N/W−2F]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1600 755 55.0 16.1 3.65 .74 .86 .97 52.5 15.4 4.10 .75 .87 .99 49.5 14.5 4.63 .77 .90 1.00 46.5 13.6 5.19 .79 .92 1.00
63�F(17�C)
1800 850 56.5 16.6 3.66 .76 .88 1.00 53.5 15.7 4.12 .77 .90 1.00 50.5 14.8 4.62 .79 .93 1.00 47.5 13.9 5.23 .81 .96 1.00(17�C)
2000 945 57.5 16.9 3.67 .78 .91 1.00 55.0 16.1 4.12 .79 .93 1.00 52.0 15.2 4.64 .81 .96 1.00 48.5 14.2 5.22 .83 .98 1.00
67�F1600 755 58.5 17.1 3.68 .60 .72 .83 55.5 16.3 4.14 .61 .73 .84 52.5 15.4 4.66 .62 .74 .86 49.5 14.5 5.23 .63 .76 .89
67�F(19�C)
1800 850 60.0 17.6 3.70 .61 .73 .85 57.0 16.7 4.15 .62 .75 .87 54.0 15.8 4.67 .63 .76 .89 50.5 14.8 5.25 .64 .78 .92(19�C)
2000 945 61.0 17.9 3.71 .63 .75 .88 58.0 17.0 4.18 .64 .77 .90 55.0 16.1 4.68 .65 .79 .92 51.5 15.1 5.27 .66 .81 .95
71�F1600 755 62.0 18.2 3.72 .46 .59 .69 59.0 17.3 4.18 .47 .59 .70 56.0 16.4 4.69 .48 .61 .72 52.5 15.4 5.28 .48 .61 .74
71�F(22�C)
1800 850 63.5 18.6 3.74 .47 .60 .71 60.5 17.7 4.20 .48 .61 .72 57.0 16.7 4.72 .48 .62 .74 53.5 15.7 5.31 .49 .63 .76(22�C)
2000 945 64.5 18.9 3.75 .48 .61 .73 61.5 18.0 4.21 .48 .62 .74 58.0 17.0 4.73 .49 .63 .76 54.5 16.0 5.30 .50 .64 .78
FIRST STAGE COOLING CAPACITY − XC21−060 with [CR26−60N/W−2F]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1300 615 44.5 13.0 2.09 .77 .91 1.00 42.5 12.5 2.45 .79 .93 1.00 40.5 11.9 2.86 .80 .95 1.00 38.5 11.3 3.33 .82 .98 1.00
63�F(17�C)
1400 660 45.0 13.2 2.09 .79 .93 1.00 43.0 12.6 2.44 .80 .95 1.00 41.0 12.0 2.84 .82 .97 1.00 39.0 11.4 3.31 .84 .99 1.00(17�C)
1500 710 46.0 13.5 2.09 .80 .95 1.00 44.0 12.9 2.44 .82 .97 1.00 42.0 12.3 2.84 .84 .99 1.00 40.0 11.7 3.30 .86 1.00 1.00
67�F1300 615 47.5 13.9 2.08 .62 .75 .88 45.5 13.3 2.43 .63 .76 .90 43.0 12.6 2.83 .64 .78 .92 41.0 12.0 3.30 .65 .80 .95
67�F(19�C)
1400 660 48.0 14.1 2.08 .63 .76 .90 46.0 13.5 2.43 .64 .78 .92 44.0 12.9 2.83 .65 .80 .94 41.5 12.2 3.28 .66 .82 .97(19�C)
1500 710 48.5 14.2 2.07 .64 .78 .92 46.5 13.6 2.43 .65 .80 .94 44.5 13.0 2.82 .66 .82 .96 42.0 12.3 3.27 .67 .84 .99
71�F1300 615 50.0 14.7 2.07 .47 .60 .72 48.0 14.1 2.41 .47 .61 .74 45.5 13.3 2.81 .48 .62 .75 43.5 12.7 3.26 .49 .64 .77
71�F(22�C)
1400 660 51.0 14.9 2.07 .48 .61 .74 48.5 14.2 2.41 .48 .62 .76 46.5 13.6 2.80 .49 .64 .77 44.0 12.9 3.26 .49 .65 .79(22�C)
1500 710 51.5 15.1 2.07 .48 .62 .76 49.5 14.5 2.41 .49 .63 .77 47.0 13.8 2.80 .49 .65 .79 44.5 13.0 3.26 .50 .66 .81
SECOND STAGE COOLING CAPACITY − XC21−060 with [CR26−60N/W−2F]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1600 755 57.5 16.9 3.67 .75 .88 .99 54.5 16.0 4.14 .76 .90 1.00 51.5 15.1 4.64 .78 .92 1.00 48.0 14.1 5.25 .80 .95 1.00
63�F(17�C)
1800 850 59.0 17.3 3.68 .77 .91 1.00 56.0 16.4 4.14 .79 .93 1.00 53.0 15.5 4.67 .80 .95 1.00 49.5 14.5 5.23 .83 .98 1.00(17�C)
2000 945 60.0 17.6 3.69 .79 .94 1.00 57.0 16.7 4.15 .81 .96 1.00 54.0 15.8 4.67 .83 .98 1.00 51.0 14.9 5.26 .85 .99 1.00
67�F1600 755 61.0 17.9 3.72 .61 .73 .84 58.0 17.0 4.16 .62 .74 .86 55.0 16.1 4.69 .63 .76 .89 51.5 15.1 5.26 .64 .78 .91
67�F(19�C)
1800 850 62.5 18.3 3.72 .62 .75 .88 59.5 17.4 4.19 .63 .76 .90 56.0 16.4 4.70 .64 .78 .92 52.5 15.4 5.27 .66 .80 .95(19�C)
2000 945 63.5 18.6 3.74 .63 .77 .91 60.5 17.7 4.20 .64 .79 .93 57.0 16.7 4.71 .66 .81 .95 53.5 15.7 5.29 .67 .83 .98
71�F1600 755 64.0 18.8 3.75 .47 .59 .70 61.0 17.9 4.22 .47 .60 .72 58.0 17.0 4.73 .48 .61 .73 54.5 16.0 5.29 .48 .63 .75
71�F(22�C)
1800 850 66.0 19.3 3.77 .47 .61 .73 63.0 18.5 4.24 .48 .62 .74 59.5 17.4 4.75 .49 .63 .76 55.5 16.3 5.31 .50 .64 .78(22�C)
2000 945 67.0 19.6 3.78 .48 .62 .75 64.0 18.8 4.25 .49 .63 .76 60.5 17.7 4.75 .50 .65 .78 56.5 16.6 5.32 .50 .66 .81
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 5 TON
DOWN−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 114
FIRST STAGE COOLING CAPACITY − XC21−060 with [CR26−48N−F + G60DFV−60C−110]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1265 595 42.5 12.5 2.26 .75 .88 1.00 40.5 11.9 2.64 .76 .90 1.00 38.5 11.3 3.07 .78 .92 1.00 36.2 10.6 3.60 .80 .95 1.00
63�F(17�C)
1400 660 43.0 12.6 2.24 .77 .91 1.00 41.5 12.2 2.62 .78 .93 1.00 39.0 11.4 3.06 .80 .95 1.00 37.0 10.8 3.58 .82 .98 1.00(17�C)
1585 750 44.5 13.0 2.23 .80 .95 1.00 42.5 12.5 2.60 .81 .97 1.00 40.0 11.7 3.04 .83 .99 1.00 38.0 11.1 3.59 .85 1.00 1.00
67�F1265 595 45.0 13.2 2.25 .60 .73 .85 43.0 12.6 2.60 .61 .74 .87 41.0 12.0 3.03 .62 .75 .88 38.5 11.3 3.55 .63 .77 .91
67�F(19�C)
1400 660 46.0 13.5 2.21 .61 .75 .87 44.0 12.9 2.59 .62 .76 .89 42.0 12.3 3.02 .63 .78 .92 39.5 11.6 3.53 .64 .80 .94(19�C)
1585 750 47.0 13.8 2.20 .63 .77 .91 45.0 13.2 2.57 .64 .79 .93 43.0 12.6 2.99 .65 .80 .96 40.5 11.9 3.52 .67 .83 .98
71�F1265 595 47.5 13.9 2.22 .46 .59 .70 46.0 13.5 2.57 .46 .60 .71 43.5 12.7 3.00 .47 .61 .73 41.0 12.0 3.51 .47 .62 .75
71�F(22�C)
1400 660 49.0 14.4 2.19 .47 .60 .72 47.0 13.8 2.55 .47 .61 .73 44.5 13.0 2.98 .48 .62 .75 42.0 12.3 3.49 .48 .63 .77(22�C)
1585 750 50.0 14.7 2.17 .48 .62 .75 48.0 14.1 2.54 .48 .63 .76 45.5 13.3 2.96 .48 .64 .78 43.0 12.6 3.47 .50 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−060 with [CR26−48N−F + G60DFV−60C−110]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1845 870 56.5 16.6 3.84 .76 .89 1.00 53.5 15.7 4.32 .78 .91 1.00 50.5 14.8 4.87 .79 .94 1.00 47.0 13.8 5.49 .82 .97 1.00
63�F(17�C)
2035 960 57.5 16.9 3.83 .78 .92 1.00 54.5 16.0 4.33 .80 .94 1.00 51.5 15.1 4.87 .81 .96 1.00 48.0 14.1 5.50 .84 .99 1.00(17�C)
2290 1080 59.0 17.3 3.83 .81 .95 1.00 56.0 16.4 4.33 .82 .97 1.00 52.5 15.4 4.88 .84 .99 1.00 49.5 14.5 5.50 .87 1.00 1.00
67�F1845 870 60.0 17.6 3.84 .62 .74 .86 57.0 16.7 4.37 .63 .75 .88 54.0 15.8 4.90 .64 .77 .90 50.0 14.7 5.52 .65 .79 .93
67�F(19�C)
2035 960 61.0 17.9 3.86 .63 .76 .88 58.0 17.0 4.35 .64 .77 .91 54.5 16.0 4.90 .65 .79 .93 51.0 14.9 5.52 .66 .82 .96(19�C)
2290 1080 62.5 18.3 3.85 .65 .78 .92 59.5 17.4 4.36 .66 .80 .94 56.0 16.4 4.90 .67 .82 .97 52.0 15.2 5.52 .68 .85 .99
71�F1845 870 63.5 18.6 3.85 .47 .60 .71 60.5 17.7 4.37 .48 .61 .73 57.0 16.7 4.94 .48 .62 .75 53.5 15.7 5.55 .49 .63 .77
71�F(22�C)
2035 960 65.0 19.0 3.87 .48 .61 .73 61.5 18.0 4.40 .49 .63 .75 58.0 17.0 4.96 .49 .64 .77 54.5 16.0 5.55 .50 .65 .79(22�C)
2290 1080 66.0 19.3 3.90 .49 .63 .76 63.0 18.5 4.39 .50 .64 .78 59.5 17.4 4.94 .51 .66 .80 55.5 16.3 5.56 .52 .67 .82
FIRST STAGE COOLING CAPACITY − XC21−060 with [CR26−48N−F + G61MPV−60C−110]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1060 500 40.5 11.9 2.28 .72 .84 .95 38.5 11.3 2.69 .73 .85 .97 37.0 10.8 3.12 .75 .87 .99 34.8 10.2 3.64 .76 .90 1.00
63�F(17�C)
1180 555 41.5 12.2 2.29 .74 .86 .98 40.0 11.7 2.65 .75 .88 1.00 37.8 11.1 3.09 .76 .90 1.00 35.6 10.4 3.61 .78 .93 1.00(17�C)
1300 615 42.5 12.5 2.26 .76 .89 1.00 40.5 11.9 2.63 .77 .91 1.00 38.5 11.3 3.07 .78 .93 1.00 36.4 10.7 3.59 .80 .96 1.00
67�F1060 500 43.0 12.6 2.26 .58 .70 .80 41.5 12.2 2.63 .59 .71 .82 39.5 11.6 3.07 .60 .72 .84 37.2 10.9 3.59 .61 .74 .86
67�F(19�C)
1180 555 44.5 13.0 2.24 .59 .71 .83 42.5 12.5 2.61 .60 .73 .85 40.5 11.9 3.05 .61 .74 .87 38.0 11.1 3.56 .62 .76 .89(19�C)
1300 615 45.5 13.3 2.22 .61 .73 .85 43.5 12.7 2.60 .61 .74 .87 41.5 12.2 3.03 .62 .76 .89 39.0 11.4 3.55 .64 .78 .92
71�F1060 500 46.0 13.5 2.21 .45 .56 .67 44.0 12.9 2.60 .45 .57 .68 42.0 12.3 3.03 .45 .58 .69 39.5 11.6 3.55 .46 .59 .71
71�F(22�C)
1180 555 47.0 13.8 2.21 .45 .58 .69 45.0 13.2 2.58 .46 .59 .70 43.0 12.6 3.01 .46 .59 .71 40.5 11.9 3.52 .47 .61 .73(22�C)
1300 615 48.0 14.1 2.20 .46 .59 .71 46.0 13.5 2.57 .46 .60 .72 44.0 12.9 2.99 .47 .61 .73 41.5 12.2 3.50 .47 .62 .75
SECOND STAGE COOLING CAPACITY − XC21−060 with [CR26−48N−F + G61MPV−60C−110]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1785 845 56.0 16.4 3.83 .76 .88 .99 53.0 15.5 4.32 .77 .90 1.00 50.0 14.7 4.87 .79 .93 1.00 47.0 13.8 5.49 .81 .96 1.00
63�F(17�C)
1990 940 57.5 16.9 3.83 .78 .91 1.00 54.5 16.0 4.32 .79 .93 1.00 51.5 15.1 4.87 .81 .96 1.00 48.0 14.1 5.49 .84 .99 1.00(17�C)
2210 1045 58.5 17.1 3.82 .80 .94 1.00 55.5 16.3 4.33 .82 .96 1.00 52.5 15.4 4.88 .84 .99 1.00 49.0 14.4 5.50 .86 1.00 1.00
67�F1785 845 59.5 17.4 3.83 .61 .73 .85 56.5 16.6 4.36 .62 .75 .87 53.5 15.7 4.89 .63 .76 .89 50.0 14.7 5.53 .65 .79 .92
67�F(19�C)
1990 940 61.0 17.9 3.86 .63 .75 .88 58.0 17.0 4.35 .64 .77 .90 54.5 16.0 4.90 .65 .79 .93 51.0 14.9 5.52 .66 .81 .96(19�C)
2210 1045 62.0 18.2 3.85 .64 .78 .91 59.0 17.3 4.35 .65 .79 .93 55.5 16.3 4.90 .66 .81 .96 52.0 15.2 5.52 .68 .84 .98
71�F1785 845 63.0 18.5 3.86 .47 .60 .71 60.0 17.6 4.36 .48 .61 .72 56.5 16.6 4.93 .48 .62 .74 53.0 15.5 5.54 .49 .63 .76
71�F(22�C)
1990 940 64.5 18.9 3.87 .48 .61 .73 61.5 18.0 4.40 .48 .62 .75 58.0 17.0 4.96 .49 .64 .76 54.0 15.8 5.55 .50 .65 .79(22�C)
2210 1045 66.0 19.3 3.89 .49 .63 .75 62.5 18.3 4.39 .50 .64 .77 59.0 17.3 4.94 .51 .65 .79 55.0 16.1 5.56 .52 .67 .81
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 5 TON
DOWN−FLOW INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 115
FIRST STAGE COOLING CAPACITY − XC21−060 with [CR26−60W−F + G60DFV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1165 550 43.0 12.6 2.24 .75 .87 .99 41.0 12.0 2.62 .76 .89 1.00 39.0 11.4 3.06 .77 .92 1.00 36.8 10.8 3.61 .79 .94 1.00
63�F(17�C)
1270 600 44.0 12.9 2.23 .76 .90 1.00 42.0 12.3 2.60 .78 .92 1.00 39.5 11.6 3.07 .79 .94 1.00 37.4 11.0 3.58 .81 .97 1.00(17�C)
1405 665 45.0 13.2 2.22 .78 .93 1.00 43.0 12.6 2.61 .80 .95 1.00 40.5 11.9 3.04 .82 .97 1.00 38.5 11.3 3.58 .84 .99 1.00
67�F1165 550 45.5 13.3 2.22 .60 .72 .84 44.0 12.9 2.59 .60 .73 .86 41.5 12.2 3.04 .61 .75 .88 39.0 11.4 3.56 .62 .77 .90
67�F(19�C)
1270 600 46.5 13.6 2.20 .61 .74 .86 44.5 13.0 2.59 .62 .75 .88 42.5 12.5 3.03 .63 .77 .91 40.0 11.7 3.52 .64 .79 .93(19�C)
1405 665 47.5 13.9 2.20 .62 .76 .89 45.5 13.3 2.58 .63 .77 .91 43.5 12.7 2.99 .64 .79 .94 41.0 12.0 3.52 .66 .81 .97
71�F1165 550 48.5 14.2 2.19 .45 .58 .70 46.5 13.6 2.56 .45 .59 .71 44.0 12.9 2.98 .46 .60 .72 42.0 12.3 3.48 .46 .61 .74
71�F(22�C)
1270 600 49.5 14.5 2.18 .46 .59 .71 47.5 13.9 2.54 .46 .60 .73 45.0 13.2 2.96 .47 .61 .74 42.5 12.5 3.50 .47 .62 .76(22�C)
1405 665 50.5 14.8 2.16 .47 .61 .73 48.5 14.2 2.55 .47 .62 .75 46.0 13.5 2.98 .48 .63 .77 43.5 12.7 3.46 .48 .64 .79
SECOND STAGE COOLING CAPACITY − XC21−060 with [CR26−60W−F + G60DFV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1780 840 58.5 17.1 3.82 .77 .90 1.00 55.5 16.3 4.32 .78 .93 1.00 52.0 15.2 4.87 .80 .95 1.00 48.5 14.2 5.49 .83 .98 1.00
63�F(17�C)
1985 935 60.0 17.6 3.82 .79 .94 1.00 56.5 16.6 4.33 .81 .96 1.00 53.5 15.7 4.90 .83 .98 1.00 50.0 14.7 5.52 .86 .99 1.00(17�C)
2190 1035 61.0 17.9 3.83 .81 .97 1.00 58.0 17.0 4.35 .83 .98 1.00 55.0 16.1 4.89 .86 .99 1.00 51.5 15.1 5.56 .89 1.00 1.00
67�F1780 840 62.0 18.2 3.85 .62 .74 .87 59.0 17.3 4.35 .63 .76 .89 55.5 16.3 4.89 .64 .78 .92 52.0 15.2 5.51 .65 .80 .95
67�F(19�C)
1985 935 63.5 18.6 3.85 .63 .77 .90 60.5 17.7 4.34 .64 .78 .93 56.5 16.6 4.92 .66 .81 .95 53.0 15.5 5.56 .67 .83 .98(19�C)
2190 1035 64.5 18.9 3.88 .65 .79 .94 61.5 18.0 4.38 .66 .81 .96 58.0 17.0 4.94 .67 .83 .98 54.0 15.8 5.53 .69 .86 .99
71�F1780 840 66.0 19.3 3.89 .47 .60 .72 62.5 18.3 4.39 .48 .61 .74 59.0 17.3 4.93 .48 .62 .75 55.0 16.1 5.54 .49 .64 .78
71�F(22�C)
1985 935 67.0 19.6 3.90 .48 .62 .74 64.0 18.8 4.39 .49 .63 .76 60.0 17.6 4.93 .49 .64 .78 56.0 16.4 5.58 .50 .66 .81(22�C)
2190 1035 68.0 19.9 3.90 .49 .63 .77 65.0 19.0 4.39 .50 .65 .79 61.5 18.0 4.96 .51 .66 .81 57.0 16.7 5.60 .52 .68 .84
FIRST STAGE COOLING CAPACITY − XC21−060 with [CR26−60W−F + G61MPV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1240 585 43.5 12.7 2.23 .76 .89 1.00 41.5 12.2 2.61 .77 .91 1.00 39.5 11.6 3.07 .79 .94 1.00 37.2 10.9 3.58 .81 .96 1.00
63�F(17�C)
1390 655 44.5 13.0 2.22 .78 .93 1.00 42.5 12.5 2.62 .80 .95 1.00 40.5 11.9 3.04 .82 .97 1.00 38.5 11.3 3.58 .84 .99 1.00(17�C)
1545 730 45.5 13.3 2.21 .81 .96 1.00 43.5 12.7 2.59 .82 .98 1.00 41.5 12.2 3.04 .84 1.00 1.00 39.5 11.6 3.53 .87 1.00 1.00
67�F1240 585 46.5 13.6 2.21 .60 .73 .86 44.5 13.0 2.57 .61 .74 .87 42.0 12.3 3.03 .62 .76 .90 40.0 11.7 3.55 .64 .78 .93
67�F(19�C)
1390 655 47.5 13.9 2.20 .62 .76 .89 45.5 13.3 2.58 .63 .77 .91 43.5 12.7 2.99 .64 .79 .94 40.5 11.9 3.52 .65 .81 .97(19�C)
1545 730 48.5 14.2 2.20 .64 .78 .93 46.5 13.6 2.55 .65 .80 .95 44.0 12.9 2.99 .66 .82 .97 41.5 12.2 3.52 .67 .84 .99
71�F1240 585 49.0 14.4 2.20 .46 .59 .71 47.0 13.8 2.55 .46 .60 .72 45.0 13.2 2.96 .46 .61 .74 42.5 12.5 3.50 .47 .62 .76
71�F(22�C)
1390 655 50.5 14.8 2.17 .47 .61 .73 48.5 14.2 2.55 .47 .62 .75 46.0 13.5 2.98 .48 .63 .76 43.5 12.7 3.46 .48 .64 .79(22�C)
1545 730 51.5 15.1 2.17 .48 .62 .76 49.5 14.5 2.54 .48 .63 .77 47.0 13.8 2.94 .49 .64 .79 44.0 12.9 3.46 .49 .66 .82
SECOND STAGE COOLING CAPACITY − XC21−060 with [CR26−60W−F + G61MPV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1670 790 57.5 16.9 3.82 .76 .89 .99 54.5 16.0 4.32 .77 .91 1.00 51.5 15.1 4.87 .79 .93 1.00 48.0 14.1 5.49 .81 .96 1.00
63�F(17�C)
1865 880 59.0 17.3 3.82 .78 .92 1.00 56.0 16.4 4.32 .79 .94 1.00 52.5 15.4 4.87 .81 .96 1.00 49.0 14.4 5.49 .84 .99 1.00(17�C)
2050 970 60.0 17.6 3.82 .80 .95 1.00 57.0 16.7 4.32 .82 .97 1.00 53.5 15.7 4.90 .84 .99 1.00 50.5 14.8 5.53 .86 1.00 1.00
67�F1670 790 61.0 17.9 3.86 .61 .73 .85 58.0 17.0 4.35 .62 .75 .87 55.0 16.1 4.90 .63 .76 .90 51.0 14.9 5.51 .64 .78 .93
67�F(19�C)
1865 880 62.5 18.3 3.85 .62 .75 .88 59.5 17.4 4.35 .63 .77 .90 56.0 16.4 4.92 .65 .79 .93 52.5 15.4 5.52 .66 .81 .96(19�C)
2050 970 64.0 18.8 3.85 .64 .78 .91 60.5 17.7 4.37 .65 .79 .94 57.0 16.7 4.93 .66 .81 .96 53.0 15.5 5.56 .68 .84 .99
71�F1670 790 64.5 18.9 3.87 .46 .59 .71 61.5 18.0 4.40 .47 .60 .72 58.0 17.0 4.96 .48 .62 .74 54.5 16.0 5.55 .48 .63 .76
71�F(22�C)
1865 880 66.0 19.3 3.90 .47 .61 .73 63.0 18.5 4.41 .48 .62 .75 59.5 17.4 4.93 .49 .63 .76 55.5 16.3 5.54 .49 .65 .79(22�C)
2050 970 68.0 19.9 3.90 .48 .62 .75 64.0 18.8 4.39 .49 .63 .77 60.5 17.7 4.93 .50 .65 .79 56.5 16.6 5.58 .51 .67 .82
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 5 TON
HORIZONTAL INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 116
FIRST STAGE COOLING CAPACITY − XC21−060 with [CH23−51]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1300 615 43.5 12.7 2.12 .77 .90 1.00 41.5 12.2 2.49 .78 .92 1.00 39.5 11.6 2.91 .80 .94 1.00 37.4 11.0 3.42 .82 .97 1.00
63�F(17�C)
1400 660 44.5 13.0 2.13 .78 .93 1.00 42.5 12.5 2.50 .80 .94 1.00 40.0 11.7 2.92 .81 .97 1.00 38.0 11.1 3.39 .84 .99 1.00(17�C)
1500 710 45.0 13.2 2.13 .80 .94 1.00 43.0 12.6 2.48 .81 .96 1.00 41.0 12.0 2.89 .83 .99 1.00 39.0 11.4 3.40 .86 1.00 1.00
67�F1300 615 46.5 13.6 2.10 .61 .74 .87 44.5 13.0 2.47 .62 .76 .89 42.0 12.3 2.89 .63 .77 .91 40.0 11.7 3.36 .64 .79 .94
67�F(19�C)
1400 660 47.0 13.8 2.11 .62 .76 .89 45.0 13.2 2.47 .63 .77 .91 43.0 12.6 2.87 .64 .79 .93 40.5 11.9 3.35 .66 .81 .96(19�C)
1500 710 47.5 13.9 2.10 .63 .77 .91 45.5 13.3 2.46 .64 .79 .93 43.5 12.7 2.87 .65 .81 .95 41.0 12.0 3.36 .67 .83 .98
71�F1300 615 49.0 14.4 2.09 .47 .60 .72 47.0 13.8 2.44 .47 .61 .73 45.0 13.2 2.85 .48 .62 .75 42.5 12.5 3.32 .48 .63 .77
71�F(22�C)
1400 660 49.5 14.5 2.09 .47 .61 .73 47.5 13.9 2.45 .48 .62 .75 45.5 13.3 2.85 .49 .63 .76 43.0 12.6 3.32 .49 .64 .79(22�C)
1500 710 50.5 14.8 2.09 .48 .62 .75 48.5 14.2 2.44 .48 .63 .76 46.0 13.5 2.85 .49 .64 .78 43.5 12.7 3.31 .50 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−060 with [CH23−51]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1600 755 56.0 16.4 3.69 .75 .87 .98 53.5 15.7 4.18 .76 .89 .99 50.5 14.8 4.69 .77 .91 1.00 47.0 13.8 5.29 .80 .94 1.00
63�F(17�C)
1800 850 57.5 16.9 3.71 .77 .90 1.00 55.0 16.1 4.19 .78 .92 1.00 51.5 15.1 4.70 .80 .94 1.00 48.5 14.2 5.32 .82 .97 1.00(17�C)
2000 945 58.5 17.1 3.73 .79 .93 1.00 56.0 16.4 4.19 .80 .95 1.00 52.5 15.4 4.73 .82 .97 1.00 49.5 14.5 5.34 .85 .99 1.00
67�F1600 755 59.5 17.4 3.73 .60 .72 .84 56.5 16.6 4.21 .61 .73 .86 53.5 15.7 4.75 .62 .75 .88 50.0 14.7 5.31 .63 .77 .91
67�F(19�C)
1800 850 61.0 17.9 3.74 .62 .74 .87 58.0 17.0 4.21 .62 .76 .89 55.0 16.1 4.75 .64 .78 .91 51.5 15.1 5.34 .65 .80 .94(19�C)
2000 945 62.5 18.3 3.75 .63 .76 .90 59.5 17.4 4.21 .64 .78 .92 56.0 16.4 4.74 .65 .80 .94 52.5 15.4 5.36 .67 .83 .97
71�F1600 755 62.5 18.3 3.76 .46 .59 .70 60.0 17.6 4.24 .47 .59 .71 56.5 16.6 4.78 .48 .61 .73 53.0 15.5 5.38 .49 .62 .75
71�F(22�C)
1800 850 64.5 18.9 3.77 .48 .60 .72 61.5 18.0 4.24 .48 .61 .73 58.0 17.0 4.78 .49 .62 .75 54.5 16.0 5.35 .50 .64 .78(22�C)
2000 945 66.0 19.3 3.79 .48 .62 .74 62.5 18.3 4.26 .49 .63 .76 59.0 17.3 4.78 .50 .64 .78 55.5 16.3 5.40 .50 .66 .80
FIRST STAGE COOLING CAPACITY − XC21−060 with [CH23−65]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1300 615 44.0 12.9 2.10 .77 .91 1.00 42.0 12.3 2.46 .78 .93 1.00 40.0 11.7 2.86 .80 .95 1.00 38.0 11.1 3.33 .82 .97 1.00
63�F(17�C)
1400 660 45.0 13.2 2.09 .78 .93 1.00 43.0 12.6 2.45 .80 .95 1.00 40.5 11.9 2.85 .82 .97 1.00 38.5 11.3 3.31 .84 .99 1.00(17�C)
1500 710 45.5 13.3 2.09 .80 .95 1.00 43.5 12.7 2.44 .82 .97 1.00 41.5 12.2 2.85 .84 .99 1.00 39.5 11.6 3.31 .86 1.00 1.00
67�F1300 615 47.0 13.8 2.08 .61 .74 .87 45.0 13.2 2.43 .62 .76 .89 43.0 12.6 2.84 .63 .77 .92 40.5 11.9 3.30 .65 .79 .94
67�F(19�C)
1400 660 47.5 13.9 2.08 .62 .76 .90 45.5 13.3 2.43 .63 .77 .92 43.5 12.7 2.83 .64 .79 .94 41.0 12.0 3.28 .66 .81 .96(19�C)
1500 710 48.5 14.2 2.08 .63 .78 .92 46.5 13.6 2.43 .64 .79 .94 44.0 12.9 2.82 .66 .81 .96 41.5 12.2 3.28 .67 .84 .99
71�F1300 615 49.5 14.5 2.07 .46 .60 .72 47.5 13.9 2.42 .47 .61 .73 45.5 13.3 2.81 .48 .62 .75 43.0 12.6 3.27 .48 .63 .77
71�F(22�C)
1400 660 50.5 14.8 2.07 .47 .61 .74 48.5 14.2 2.41 .48 .62 .75 46.0 13.5 2.80 .48 .63 .77 43.5 12.7 3.26 .49 .64 .79(22�C)
1500 710 51.0 14.9 2.07 .48 .62 .75 49.0 14.4 2.41 .48 .63 .77 46.5 13.6 2.80 .49 .64 .79 44.0 12.9 3.25 .50 .66 .81
SECOND STAGE COOLING CAPACITY − XC21−060 with [CH23−65]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1600 755 57.0 16.7 3.67 .75 .87 .99 54.5 16.0 4.13 .76 .89 1.00 51.5 15.1 4.64 .78 .92 1.00 48.0 14.1 5.22 .80 .94 1.00
63�F(17�C)
1800 850 58.5 17.1 3.68 .77 .90 1.00 55.5 16.3 4.14 .78 .93 1.00 52.5 15.4 4.67 .80 .95 1.00 49.0 14.4 5.25 .83 .98 1.00(17�C)
2000 945 59.5 17.4 3.69 .79 .93 1.00 57.0 16.7 4.15 .81 .95 1.00 53.5 15.7 4.68 .83 .98 1.00 50.5 14.8 5.26 .85 1.00 1.00
67�F1600 755 60.5 17.7 3.71 .60 .72 .84 57.5 16.9 4.16 .61 .74 .86 54.5 16.0 4.67 .62 .75 .88 51.0 14.9 5.26 .63 .77 .91
67�F(19�C)
1800 850 62.0 18.2 3.72 .61 .75 .87 59.0 17.3 4.19 .62 .76 .89 56.0 16.4 4.69 .64 .78 .92 52.5 15.4 5.27 .65 .80 .95(19�C)
2000 945 63.0 18.5 3.73 .63 .77 .90 60.0 17.6 4.20 .64 .78 .92 57.0 16.7 4.71 .65 .81 .95 53.0 15.5 5.29 .67 .83 .98
71�F1600 755 63.5 18.6 3.74 .46 .59 .70 61.0 17.9 4.21 .47 .59 .71 57.5 16.9 4.72 .48 .61 .73 54.0 15.8 5.29 .48 .62 .75
71�F(22�C)
1800 850 65.0 19.0 3.76 .47 .60 .72 62.5 18.3 4.22 .48 .61 .74 59.0 17.3 4.73 .49 .63 .76 55.5 16.3 5.31 .50 .64 .78(22�C)
2000 945 67.0 19.6 3.78 .48 .61 .75 63.5 18.6 4.25 .49 .63 .76 60.0 17.6 4.75 .49 .64 .78 56.5 16.6 5.32 .50 .66 .81
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 5 TON
HORIZONTAL INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 117
FIRST STAGE COOLING CAPACITY − XC21−060 with [CH23−68]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1300 615 45.5 13.3 2.09 .77 .91 1.00 43.5 12.7 2.44 .79 .93 1.00 41.5 12.2 2.84 .81 .95 1.00 39.0 11.4 3.30 .83 .98 1.00
63�F(17�C)
1400 660 46.0 13.5 2.08 .79 .94 1.00 44.0 12.9 2.44 .81 .96 1.00 42.0 12.3 2.83 .83 .98 1.00 40.0 11.7 3.30 .85 1.00 1.00(17�C)
1500 710 47.0 13.8 2.08 .81 .96 1.00 45.0 13.2 2.43 .82 .98 1.00 43.0 12.6 2.83 .85 1.00 1.00 41.0 12.0 3.30 .87 1.00 1.00
67�F1300 615 48.5 14.2 2.08 .62 .75 .88 46.5 13.6 2.43 .62 .76 .90 44.0 12.9 2.82 .63 .78 .92 41.5 12.2 3.29 .65 .80 .95
67�F(19�C)
1400 660 49.0 14.4 2.08 .63 .77 .90 47.0 13.8 2.42 .64 .78 .92 45.0 13.2 2.81 .65 .80 .95 42.5 12.5 3.28 .66 .82 .97(19�C)
1500 710 50.0 14.7 2.07 .64 .78 .92 47.5 13.9 2.41 .65 .80 .95 45.5 13.3 2.81 .66 .82 .97 43.0 12.6 3.26 .68 .85 .99
71�F1300 615 51.5 15.1 2.07 .47 .60 .72 49.5 14.5 2.41 .47 .61 .74 47.0 13.8 2.80 .48 .62 .76 44.5 13.0 3.25 .49 .63 .78
71�F(22�C)
1400 660 52.5 15.4 2.06 .47 .61 .74 50.0 14.7 2.41 .48 .62 .76 48.0 14.1 2.79 .49 .63 .78 45.0 13.2 3.25 .49 .65 .80(22�C)
1500 710 53.0 15.5 2.06 .48 .62 .76 51.0 14.9 2.40 .49 .63 .78 48.5 14.2 2.79 .49 .65 .80 45.5 13.3 3.24 .50 .66 .82
SECOND STAGE COOLING CAPACITY − XC21−060 with [CH23−68]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1600 755 59.5 17.4 3.70 .75 .88 .99 56.5 16.6 4.16 .76 .90 1.00 53.5 15.7 4.67 .78 .92 1.00 50.0 14.7 5.24 .80 .95 1.00
63�F(17�C)
1800 850 61.0 17.9 3.72 .77 .91 1.00 58.5 17.1 4.17 .79 .93 1.00 55.0 16.1 4.68 .81 .96 1.00 51.5 15.1 5.26 .83 .98 1.00(17�C)
2000 945 62.5 18.3 3.73 .80 .95 1.00 59.5 17.4 4.19 .82 .96 1.00 56.5 16.6 4.71 .84 .99 1.00 53.0 15.5 5.29 .87 1.00 1.00
67�F1600 755 63.0 18.5 3.73 .61 .73 .85 60.5 17.7 4.20 .61 .74 .87 57.0 16.7 4.72 .62 .76 .89 53.5 15.7 5.29 .63 .78 .92
67�F(19�C)
1800 850 65.0 19.0 3.75 .62 .75 .88 61.5 18.0 4.21 .63 .77 .90 58.5 17.1 4.73 .64 .79 .93 54.5 16.0 5.31 .65 .81 .96(19�C)
2000 945 66.0 19.3 3.77 .63 .78 .91 63.0 18.5 4.23 .64 .79 .94 59.5 17.4 4.75 .65 .81 .96 55.5 16.3 5.32 .67 .84 .99
71�F1600 755 67.0 19.6 3.78 .46 .59 .70 64.0 18.8 4.24 .47 .60 .72 60.5 17.7 4.76 .47 .61 .73 57.0 16.7 5.34 .48 .62 .76
71�F(22�C)
1800 850 69.0 20.2 3.80 .47 .60 .73 66.0 19.3 4.27 .48 .61 .74 62.0 18.2 4.78 .48 .63 .76 58.0 17.0 5.35 .49 .64 .79(22�C)
2000 945 70.0 20.5 3.81 .48 .62 .75 67.0 19.6 4.28 .48 .63 .77 63.0 18.5 4.79 .49 .64 .79 59.0 17.3 5.38 .50 .66 .82
FIRST STAGE COOLING CAPACITY − XC21−060 with [CH33−50/60C−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1300 615 45.0 13.2 2.09 .77 .90 1.00 43.5 12.7 2.44 .78 .92 1.00 41.0 12.0 2.85 .80 .95 1.00 39.0 11.4 3.30 .82 .97 1.00
63�F(17�C)
1400 660 46.0 13.5 2.08 .78 .92 1.00 44.0 12.9 2.44 .80 .95 1.00 42.0 12.3 2.84 .81 .97 1.00 39.5 11.6 3.32 .84 .99 1.00(17�C)
1500 710 46.5 13.6 2.08 .80 .95 1.00 44.5 13.0 2.43 .81 .97 1.00 42.5 12.5 2.83 .83 .99 1.00 40.0 11.7 3.29 .86 1.00 1.00
67�F1300 615 48.0 14.1 2.08 .61 .74 .87 46.0 13.5 2.43 .62 .76 .89 44.0 12.9 2.83 .63 .77 .91 41.5 12.2 3.28 .64 .79 .94
67�F(19�C)
1400 660 49.0 14.4 2.07 .62 .76 .89 47.0 13.8 2.42 .63 .77 .91 44.5 13.0 2.81 .64 .79 .93 42.0 12.3 3.27 .65 .81 .96(19�C)
1500 710 49.5 14.5 2.07 .63 .78 .91 47.5 13.9 2.42 .64 .79 .93 45.0 13.2 2.81 .65 .81 .96 42.5 12.5 3.26 .67 .83 .98
71�F1300 615 51.0 14.9 2.07 .47 .60 .72 49.0 14.4 2.41 .48 .61 .73 46.5 13.6 2.80 .48 .61 .75 44.0 12.9 3.26 .48 .63 .77
71�F(22�C)
1400 660 51.5 15.1 2.07 .48 .61 .73 49.5 14.5 2.40 .48 .62 .75 47.5 13.9 2.80 .49 .63 .76 45.0 13.2 3.25 .49 .64 .78(22�C)
1500 710 52.5 15.4 2.06 .48 .62 .75 50.5 14.8 2.40 .49 .63 .76 48.0 14.1 2.79 .49 .64 .78 45.5 13.3 3.23 .50 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−060 with [CH33−50/60C−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1600 755 59.0 17.3 3.69 .74 .87 .98 56.0 16.4 4.15 .75 .88 1.00 53.0 15.5 4.66 .77 .91 1.00 50.0 14.7 5.23 .79 .94 1.00
63�F(17�C)
1800 850 60.5 17.7 3.71 .76 .89 1.00 57.5 16.9 4.18 .78 .92 1.00 54.5 16.0 4.69 .80 .94 1.00 51.0 14.9 5.27 .82 .97 1.00(17�C)
2000 945 62.0 18.2 3.73 .78 .93 1.00 59.0 17.3 4.19 .80 .95 1.00 56.0 16.4 4.70 .82 .97 1.00 52.0 15.2 5.26 .85 1.00 1.00
67�F1600 755 62.5 18.3 3.72 .60 .72 .83 59.5 17.4 4.19 .60 .73 .85 56.5 16.6 4.69 .62 .75 .87 53.0 15.5 5.27 .63 .77 .90
67�F(19�C)
1800 850 64.0 18.8 3.75 .61 .74 .86 61.0 17.9 4.21 .62 .75 .88 57.5 16.9 4.72 .63 .77 .91 54.0 15.8 5.30 .65 .79 .94(19�C)
2000 945 65.0 19.0 3.76 .62 .76 .89 62.5 18.3 4.23 .64 .78 .91 59.0 17.3 4.74 .65 .80 .94 55.5 16.3 5.32 .66 .82 .97
71�F1600 755 66.0 19.3 3.77 .47 .58 .69 63.0 18.5 4.23 .47 .59 .71 59.5 17.4 4.75 .48 .60 .72 56.0 16.4 5.33 .48 .61 .74
71�F(22�C)
1800 850 68.0 19.9 3.79 .47 .59 .72 64.5 18.9 4.24 .48 .60 .73 61.0 17.9 4.77 .48 .62 .75 57.5 16.9 5.36 .49 .63 .77(22�C)
2000 945 69.0 20.2 3.80 .48 .61 .73 66.0 19.3 4.27 .48 .62 .75 62.5 18.3 4.79 .49 .63 .77 58.5 17.1 5.36 .50 .65 .80
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 5 TON
HORIZONTAL INDOOR COILS
XC21 − 2 to 5 Ton Air Conditioner / Page 118
FIRST STAGE COOLING CAPACITY − XC21−060 with [CH33−60D−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1300 615 45.0 13.2 2.09 .76 .90 1.00 43.0 12.6 2.45 .78 .92 1.00 41.0 12.0 2.85 .80 .94 1.00 38.5 11.3 3.33 .81 .97 1.00
63�F(17�C)
1400 660 45.5 13.3 2.08 .78 .92 1.00 43.5 12.7 2.44 .80 .94 1.00 41.5 12.2 2.85 .81 .96 1.00 39.5 11.6 3.30 .83 .99 1.00(17�C)
1500 710 46.5 13.6 2.08 .80 .94 1.00 44.5 13.0 2.44 .81 .96 1.00 42.0 12.3 2.84 .83 .98 1.00 40.0 11.7 3.29 .85 1.00 1.00
67�F1300 615 47.5 13.9 2.08 .61 .73 .86 45.5 13.3 2.43 .62 .75 .88 43.5 12.7 2.82 .63 .77 .90 41.0 12.0 3.30 .64 .79 .93
67�F(19�C)
1400 660 48.5 14.2 2.07 .62 .75 .89 46.5 13.6 2.42 .63 .77 .90 44.0 12.9 2.82 .64 .79 .93 41.5 12.2 3.27 .65 .81 .96(19�C)
1500 710 49.0 14.4 2.07 .63 .77 .91 47.0 13.8 2.42 .64 .79 .93 45.0 13.2 2.82 .65 .80 .95 42.5 12.5 3.26 .66 .83 .98
71�F1300 615 50.5 14.8 2.07 .47 .59 .71 48.5 14.2 2.41 .48 .60 .73 46.0 13.5 2.80 .48 .62 .74 44.0 12.9 3.26 .49 .63 .76
71�F(22�C)
1400 660 51.5 15.1 2.07 .48 .60 .73 49.0 14.4 2.41 .48 .61 .74 47.0 13.8 2.80 .49 .63 .76 44.5 13.0 3.25 .49 .64 .78(22�C)
1500 710 52.0 15.2 2.06 .48 .62 .75 50.0 14.7 2.41 .49 .63 .76 47.5 13.9 2.79 .49 .64 .78 45.0 13.2 3.24 .50 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−060 with [CH33−60D−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1600 755 58.5 17.1 3.67 .74 .86 .98 55.5 16.3 4.14 .75 .88 1.00 52.5 15.4 4.67 .77 .90 1.00 49.5 14.5 5.25 .79 .93 1.00
63�F(17�C)
1800 850 60.0 17.6 3.69 .76 .89 1.00 57.0 16.7 4.17 .77 .91 1.00 54.0 15.8 4.69 .79 .94 1.00 50.5 14.8 5.26 .81 .97 1.00(17�C)
2000 945 61.5 18.0 3.71 .78 .92 1.00 58.5 17.1 4.17 .80 .94 1.00 55.5 16.3 4.70 .81 .97 1.00 52.0 15.2 5.27 .84 1.00 1.00
67�F1600 755 62.0 18.2 3.73 .60 .72 .83 59.0 17.3 4.18 .60 .73 .85 56.0 16.4 4.69 .62 .74 .87 52.5 15.4 5.28 .63 .76 .90
67�F(19�C)
1800 850 63.5 18.6 3.74 .61 .74 .86 60.5 17.7 4.20 .62 .75 .88 57.0 16.7 4.72 .63 .77 .90 53.5 15.7 5.29 .64 .79 .93(19�C)
2000 945 64.5 18.9 3.75 .62 .76 .88 61.5 18.0 4.22 .63 .77 .91 58.5 17.1 4.73 .64 .79 .93 55.0 16.1 5.31 .66 .81 .96
71�F1600 755 65.0 19.0 3.76 .47 .58 .69 62.5 18.3 4.23 .47 .59 .70 59.0 17.3 4.75 .48 .60 .72 55.5 16.3 5.33 .48 .61 .74
71�F(22�C)
1800 850 67.0 19.6 3.78 .47 .59 .71 64.0 18.8 4.24 .48 .60 .72 60.5 17.7 4.77 .48 .61 .74 56.5 16.6 5.34 .49 .63 .76(22�C)
2000 945 68.0 19.9 3.80 .48 .61 .73 65.0 19.0 4.26 .48 .62 .75 61.5 18.0 4.78 .49 .63 .77 58.0 17.0 5.34 .50 .64 .79
FIRST STAGE COOLING CAPACITY − XC21−060 with [CH33−62D−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1300 615 45.0 13.2 2.08 .76 .90 1.00 43.5 12.7 2.45 .78 .91 1.00 41.0 12.0 2.85 .79 .94 1.00 39.0 11.4 3.32 .81 .97 1.00
63�F(17�C)
1400 660 46.0 13.5 2.09 .78 .92 1.00 44.0 12.9 2.44 .79 .94 1.00 42.0 12.3 2.84 .81 .96 1.00 39.5 11.6 3.30 .83 .99 1.00(17�C)
1500 710 46.5 13.6 2.08 .79 .94 1.00 44.5 13.0 2.43 .81 .96 1.00 42.5 12.5 2.83 .83 .98 1.00 40.0 11.7 3.30 .85 1.00 1.00
67�F1300 615 48.0 14.1 2.08 .61 .74 .86 46.0 13.5 2.43 .62 .75 .88 43.5 12.7 2.82 .63 .77 .90 41.5 12.2 3.28 .64 .79 .93
67�F(19�C)
1400 660 48.5 14.2 2.08 .62 .75 .88 46.5 13.6 2.43 .63 .77 .90 44.5 13.0 2.81 .64 .79 .93 42.0 12.3 3.28 .65 .81 .95(19�C)
1500 710 49.5 14.5 2.07 .63 .77 .90 47.5 13.9 2.42 .64 .78 .92 45.0 13.2 2.81 .65 .80 .95 42.5 12.5 3.26 .66 .83 .98
71�F1300 615 50.5 14.8 2.07 .47 .60 .71 48.5 14.2 2.41 .48 .60 .73 46.0 13.5 2.81 .48 .61 .74 44.0 12.9 3.25 .49 .63 .76
71�F(22�C)
1400 660 51.5 15.1 2.06 .48 .61 .73 49.0 14.4 2.41 .48 .62 .74 47.0 13.8 2.80 .49 .63 .76 44.5 13.0 3.26 .49 .64 .78(22�C)
1500 710 52.0 15.2 2.07 .48 .62 .74 50.0 14.7 2.40 .49 .63 .76 47.5 13.9 2.79 .49 .64 .78 45.0 13.2 3.25 .50 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−060 with [CH33−62D−2F]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1600 755 59.0 17.3 3.69 .74 .86 .98 56.5 16.6 4.15 .75 .88 1.00 53.5 15.7 4.67 .77 .90 1.00 50.0 14.7 5.24 .79 .93 1.00
63�F(17�C)
1800 850 60.5 17.7 3.71 .76 .89 1.00 58.0 17.0 4.18 .77 .91 1.00 55.0 16.1 4.69 .79 .94 1.00 51.5 15.1 5.26 .81 .97 1.00(17�C)
2000 945 62.0 18.2 3.72 .78 .92 1.00 59.0 17.3 4.18 .80 .94 1.00 56.0 16.4 4.70 .82 .97 1.00 52.5 15.4 5.28 .84 1.00 1.00
67�F1600 755 62.5 18.3 3.72 .60 .72 .83 59.5 17.4 4.19 .61 .73 .84 56.5 16.6 4.71 .62 .74 .87 53.0 15.5 5.28 .63 .76 .90
67�F(19�C)
1800 850 64.0 18.8 3.74 .61 .74 .86 61.5 18.0 4.21 .62 .75 .88 58.0 17.0 4.73 .63 .77 .90 54.5 16.0 5.31 .65 .79 .93(19�C)
2000 945 66.0 19.3 3.77 .62 .76 .88 62.5 18.3 4.23 .63 .77 .91 59.5 17.4 4.75 .65 .79 .93 55.5 16.3 5.33 .66 .82 .97
71�F1600 755 66.0 19.3 3.77 .47 .58 .69 63.0 18.5 4.23 .47 .59 .70 59.5 17.4 4.74 .48 .60 .72 56.0 16.4 5.33 .48 .61 .74
71�F(22�C)
1800 850 68.0 19.9 3.78 .47 .59 .71 64.5 18.9 4.26 .48 .60 .73 61.5 18.0 4.77 .48 .62 .74 57.5 16.9 5.36 .49 .63 .76(22�C)
2000 945 69.0 20.2 3.81 .48 .61 .73 66.0 19.3 4.27 .49 .62 .75 62.5 18.3 4.79 .49 .63 .77 59.0 17.3 5.37 .50 .65 .79
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 5 TON
HORIZONTAL INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 119
FIRST STAGE COOLING CAPACITY − XC21−060 with [CH23−51 + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1135 535 42.0 12.3 2.26 .74 .86 .98 40.0 11.7 2.64 .75 .88 .99 38.0 11.1 3.08 .76 .90 1.00 35.8 10.5 3.64 .78 .93 1.00
63�F(17�C)
1280 605 43.0 12.6 2.25 .76 .89 1.00 41.0 12.0 2.62 .77 .92 1.00 39.0 11.4 3.09 .79 .94 1.00 36.8 10.8 3.62 .81 .96 1.00(17�C)
1445 680 44.0 12.9 2.23 .78 .93 1.00 42.0 12.3 2.63 .80 .95 1.00 40.0 11.7 3.07 .82 .97 1.00 37.8 11.1 3.58 .84 .99 1.00
67�F1135 535 44.5 13.0 2.24 .59 .71 .83 42.5 12.5 2.61 .60 .72 .85 40.5 11.9 3.04 .61 .74 .87 38.5 11.3 3.58 .62 .76 .89
67�F(19�C)
1280 605 46.0 13.5 2.22 .61 .73 .86 44.0 12.9 2.59 .61 .75 .88 41.5 12.2 3.04 .62 .76 .90 39.5 11.6 3.57 .64 .78 .93(19�C)
1445 680 47.0 13.8 2.20 .62 .76 .90 45.0 13.2 2.59 .63 .77 .92 42.5 12.5 3.03 .64 .79 .94 40.5 11.9 3.52 .66 .82 .97
71�F1135 535 47.0 13.8 2.21 .45 .57 .69 45.0 13.2 2.58 .45 .58 .70 43.0 12.6 3.03 .46 .59 .71 40.5 11.9 3.51 .46 .60 .73
71�F(22�C)
1280 605 48.5 14.2 2.19 .46 .59 .71 46.5 13.6 2.56 .46 .60 .72 44.0 12.9 2.98 .47 .61 .74 42.0 12.3 3.51 .48 .62 .76(22�C)
1445 680 49.5 14.5 2.18 .47 .61 .73 47.5 13.9 2.54 .47 .61 .75 45.5 13.3 2.99 .48 .63 .77 43.0 12.6 3.50 .49 .64 .79
SECOND STAGE COOLING CAPACITY − XC21−060 with [CH23−51 + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1635 770 56.0 16.4 3.83 .75 .88 .99 53.0 15.5 4.32 .76 .90 1.00 50.0 14.7 4.87 .78 .92 1.00 47.0 13.8 5.49 .80 .95 1.00
63�F(17�C)
1855 875 57.5 16.9 3.83 .77 .91 1.00 54.5 16.0 4.33 .79 .93 1.00 51.5 15.1 4.88 .81 .95 1.00 48.0 14.1 5.52 .83 .98 1.00(17�C)
2070 975 59.0 17.3 3.83 .80 .94 1.00 56.0 16.4 4.33 .82 .96 1.00 53.0 15.5 4.90 .84 .98 1.00 49.5 14.5 5.50 .86 1.00 1.00
67�F1635 770 59.5 17.4 3.83 .60 .72 .84 56.5 16.6 4.36 .61 .74 .86 53.5 15.7 4.89 .62 .75 .89 50.0 14.7 5.52 .64 .78 .92
67�F(19�C)
1855 875 61.0 17.9 3.86 .62 .75 .88 58.0 17.0 4.35 .63 .76 .90 55.0 16.1 4.90 .64 .78 .92 51.0 14.9 5.51 .66 .81 .95(19�C)
2070 975 62.5 18.3 3.85 .64 .77 .91 59.5 17.4 4.35 .65 .79 .93 56.0 16.4 4.90 .66 .81 .96 52.0 15.2 5.55 .68 .84 .98
71�F1635 770 63.0 18.5 3.86 .47 .59 .70 60.0 17.6 4.36 .47 .59 .71 56.5 16.6 4.93 .48 .61 .73 53.0 15.5 5.55 .49 .62 .75
71�F(22�C)
1855 875 64.5 18.9 3.87 .48 .60 .72 61.5 18.0 4.40 .48 .61 .74 58.0 17.0 4.96 .49 .63 .76 54.5 16.0 5.55 .50 .65 .78(22�C)
2070 975 66.0 19.3 3.90 .49 .62 .75 63.0 18.5 4.41 .49 .63 .77 59.5 17.4 4.93 .50 .65 .79 55.5 16.3 5.55 .51 .67 .82
FIRST STAGE COOLING CAPACITY − XC21−060 with [CH23−65 + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1135 535 42.0 12.3 2.25 .74 .87 .98 40.5 11.9 2.63 .75 .88 1.00 38.5 11.3 3.07 .77 .91 1.00 36.2 10.6 3.63 .78 .93 1.00
63�F(17�C)
1280 605 43.5 12.7 2.24 .76 .90 1.00 41.5 12.2 2.63 .78 .92 1.00 39.5 11.6 3.08 .79 .94 1.00 37.2 10.9 3.61 .81 .97 1.00(17�C)
1445 680 44.5 13.0 2.24 .79 .94 1.00 42.5 12.5 2.62 .80 .96 1.00 40.5 11.9 3.04 .82 .98 1.00 38.5 11.3 3.58 .85 1.00 1.00
67�F1135 535 45.0 13.2 2.24 .59 .71 .83 43.0 12.6 2.60 .60 .73 .85 41.0 12.0 3.03 .61 .74 .87 38.5 11.3 3.57 .62 .76 .90
67�F(19�C)
1280 605 46.5 13.6 2.21 .61 .74 .86 44.5 13.0 2.57 .61 .75 .88 42.0 12.3 3.04 .62 .77 .91 40.0 11.7 3.56 .64 .79 .93(19�C)
1445 680 47.5 13.9 2.21 .62 .76 .90 45.5 13.3 2.59 .63 .78 .92 43.0 12.6 3.02 .64 .80 .95 41.0 12.0 3.52 .66 .82 .97
71�F1135 535 47.5 13.9 2.22 .45 .58 .69 45.5 13.3 2.58 .46 .58 .70 43.5 12.7 2.99 .46 .59 .71 41.0 12.0 3.50 .46 .60 .73
71�F(22�C)
1280 605 49.0 14.4 2.20 .46 .59 .71 47.0 13.8 2.55 .46 .60 .72 45.0 13.2 2.99 .47 .61 .74 42.5 12.5 3.51 .48 .62 .76(22�C)
1445 680 50.5 14.8 2.17 .46 .61 .74 48.5 14.2 2.55 .47 .62 .75 46.0 13.5 2.98 .48 .63 .77 43.5 12.7 3.49 .49 .64 .79
SECOND STAGE COOLING CAPACITY − XC21−060 with [CH23−65 + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1635 770 57.0 16.7 3.85 .75 .88 .99 54.0 15.8 4.32 .76 .90 1.00 51.0 14.9 4.88 .78 .92 1.00 47.5 13.9 5.51 .81 .95 1.00
63�F(17�C)
1855 875 58.5 17.1 3.83 .78 .91 1.00 55.5 16.3 4.33 .79 .94 1.00 52.5 15.4 4.90 .81 .96 1.00 49.0 14.4 5.53 .84 .99 1.00(17�C)
2070 975 60.0 17.6 3.83 .80 .95 1.00 57.0 16.7 4.35 .82 .97 1.00 53.5 15.7 4.92 .84 .99 1.00 50.5 14.8 5.53 .87 1.00 1.00
67�F1635 770 60.5 17.7 3.85 .60 .72 .84 57.5 16.9 4.35 .61 .74 .87 54.5 16.0 4.90 .62 .76 .89 50.5 14.8 5.51 .64 .78 .92
67�F(19�C)
1855 875 62.0 18.2 3.85 .62 .75 .88 59.0 17.3 4.35 .63 .77 .90 56.0 16.4 4.90 .64 .79 .93 52.0 15.2 5.55 .66 .81 .96(19�C)
2070 975 63.5 18.6 3.85 .64 .78 .91 60.5 17.7 4.35 .65 .79 .94 57.0 16.7 4.93 .66 .82 .96 53.0 15.5 5.56 .68 .85 .99
71�F1635 770 64.0 18.8 3.85 .46 .58 .70 61.0 17.9 4.38 .47 .60 .72 57.5 16.9 4.95 .48 .61 .73 54.0 15.8 5.54 .48 .62 .75
71�F(22�C)
1855 875 66.0 19.3 3.89 .48 .61 .73 62.5 18.3 4.40 .48 .61 .74 59.0 17.3 4.93 .49 .63 .76 55.5 16.3 5.54 .50 .64 .79(22�C)
2070 975 67.0 19.6 3.90 .49 .62 .76 64.0 18.8 4.39 .49 .64 .77 60.5 17.7 4.93 .50 .65 .79 56.5 16.6 5.59 .50 .67 .82
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 5 TON
HORIZONTAL INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 120
FIRST STAGE COOLING CAPACITY − XC21−060 with [CH23−68 + G60UHV−60C−110]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1265 595 44.5 13.0 2.23 .76 .90 1.00 43.0 12.6 2.62 .78 .92 1.00 40.5 11.9 3.04 .80 .94 1.00 38.5 11.3 3.57 .82 .97 1.00
63�F(17�C)
1400 660 46.0 13.5 2.23 .79 .93 1.00 44.0 12.9 2.59 .80 .95 1.00 41.5 12.2 3.04 .82 .98 1.00 39.5 11.6 3.52 .85 1.00 1.00(17�C)
1585 750 47.0 13.8 2.21 .82 .97 1.00 45.0 13.2 2.58 .84 .99 1.00 43.0 12.6 3.01 .86 1.00 1.00 41.0 12.0 3.52 .89 1.00 1.00
67�F1265 595 47.5 13.9 2.21 .60 .74 .87 45.5 13.3 2.59 .61 .75 .89 43.5 12.7 3.02 .62 .77 .91 41.0 12.0 3.51 .64 .79 .93
67�F(19�C)
1400 660 49.0 14.4 2.20 .62 .76 .90 46.5 13.6 2.58 .63 .78 .92 44.5 13.0 2.99 .64 .80 .94 41.5 12.2 3.51 .66 .82 .97(19�C)
1585 750 50.5 14.8 2.17 .64 .79 .94 48.0 14.1 2.55 .65 .81 .96 45.5 13.3 2.97 .67 .83 .98 43.0 12.6 3.49 .68 .86 1.00
71�F1265 595 51.0 14.9 2.18 .46 .59 .71 48.5 14.2 2.55 .46 .60 .73 46.5 13.6 2.98 .47 .61 .74 44.0 12.9 3.46 .48 .62 .76
71�F(22�C)
1400 660 52.0 15.2 2.16 .47 .60 .74 50.0 14.7 2.54 .47 .61 .75 47.5 13.9 2.94 .48 .63 .77 44.5 13.0 3.46 .48 .64 .79(22�C)
1585 750 53.5 15.7 2.17 .48 .63 .77 51.5 15.1 2.51 .49 .64 .79 48.5 14.2 2.95 .49 .65 .81 46.0 13.5 3.42 .50 .67 .83
SECOND STAGE COOLING CAPACITY − XC21−060 with [CH23−68 + G60UHV−60C−110]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1845 870 61.5 18.0 3.87 .78 .92 1.00 58.0 17.0 4.37 .80 .94 1.00 55.0 16.1 4.92 .82 .97 1.00 51.5 15.1 5.55 .84 .99 1.00
63�F(17�C)
2035 960 62.5 18.3 3.86 .80 .95 1.00 59.5 17.4 4.37 .82 .97 1.00 56.5 16.6 4.92 .85 .99 1.00 53.0 15.5 5.56 .88 1.00 1.00(17�C)
2290 1080 64.5 18.9 3.89 .84 .98 1.00 61.5 18.0 4.37 .86 1.00 1.00 58.5 17.1 4.95 .89 1.00 1.00 55.0 16.1 5.58 .91 1.00 1.00
67�F1845 870 65.0 19.0 3.89 .62 .75 .89 61.5 18.0 4.39 .63 .77 .91 58.0 17.0 4.96 .64 .79 .94 54.5 16.0 5.54 .66 .82 .96
67�F(19�C)
2035 960 66.0 19.3 3.88 .64 .78 .92 63.0 18.5 4.41 .65 .80 .94 59.5 17.4 4.96 .66 .82 .97 55.5 16.3 5.57 .68 .85 .99(19�C)
2290 1080 68.0 19.9 3.91 .66 .81 .96 64.5 18.9 4.41 .67 .83 .98 60.5 17.7 4.94 .68 .86 1.00 56.5 16.6 5.56 .71 .89 1.00
71�F1845 870 69.0 20.2 3.90 .47 .61 .73 66.0 19.3 4.41 .48 .61 .75 62.0 18.2 4.98 .48 .63 .77 58.0 17.0 5.61 .49 .65 .79
71�F(22�C)
2035 960 71.0 20.8 3.91 .48 .62 .76 67.0 19.6 4.43 .48 .63 .77 63.0 18.5 4.99 .50 .65 .80 59.0 17.3 5.58 .51 .66 .82(22�C)
2290 1080 72.0 21.1 3.95 .49 .65 .79 69.0 20.2 4.44 .50 .66 .81 64.5 18.9 4.97 .51 .67 .84 60.0 17.6 5.61 .52 .70 .87
FIRST STAGE COOLING CAPACITY − XC21−060 with [CH33−50/60C−2F + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1135 535 43.0 12.6 2.26 .73 .86 .98 41.0 12.0 2.61 .74 .88 1.00 39.0 11.4 3.07 .76 .90 1.00 37.0 10.8 3.60 .78 .92 1.00
63�F(17�C)
1280 605 44.5 13.0 2.23 .76 .89 1.00 42.5 12.5 2.62 .77 .91 1.00 40.5 11.9 3.06 .79 .93 1.00 38.0 11.1 3.59 .81 .96 1.00(17�C)
1445 680 45.5 13.3 2.23 .78 .93 1.00 43.5 12.7 2.61 .80 .95 1.00 41.5 12.2 3.03 .82 .97 1.00 39.0 11.4 3.56 .84 1.00 1.00
67�F1135 535 46.0 13.5 2.23 .59 .71 .82 44.0 12.9 2.61 .59 .72 .84 42.0 12.3 3.03 .60 .74 .86 39.5 11.6 3.55 .62 .75 .89
67�F(19�C)
1280 605 47.0 13.8 2.20 .60 .73 .85 45.0 13.2 2.58 .61 .74 .87 43.0 12.6 3.02 .62 .76 .90 40.5 11.9 3.54 .63 .78 .92(19�C)
1445 680 48.5 14.2 2.20 .62 .76 .89 46.5 13.6 2.57 .63 .77 .91 44.0 12.9 2.98 .64 .79 .94 41.5 12.2 3.50 .65 .81 .96
71�F1135 535 48.5 14.2 2.20 .46 .57 .68 46.5 13.6 2.58 .46 .58 .69 44.5 13.0 2.98 .46 .59 .71 42.0 12.3 3.50 .47 .60 .73
71�F(22�C)
1280 605 50.0 14.7 2.19 .46 .58 .70 48.0 14.1 2.54 .47 .59 .71 45.5 13.3 2.98 .47 .61 .74 43.0 12.6 3.49 .48 .62 .75(22�C)
1445 680 51.5 15.1 2.16 .47 .60 .73 49.0 14.4 2.55 .48 .62 .75 47.0 13.8 2.97 .48 .63 .76 44.0 12.9 3.45 .49 .64 .79
SECOND STAGE COOLING CAPACITY − XC21−060 with [CH33−50/60C−2F + G60UHV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1635 770 58.5 17.1 3.83 .74 .87 .98 55.5 16.3 4.32 .76 .89 1.00 52.5 15.4 4.90 .77 .91 1.00 49.0 14.4 5.53 .79 .94 1.00
63�F(17�C)
1855 875 60.0 17.6 3.85 .76 .90 1.00 57.0 16.7 4.36 .78 .92 1.00 54.0 15.8 4.92 .80 .95 1.00 50.5 14.8 5.54 .82 .98 1.00(17�C)
2070 975 61.5 18.0 3.86 .79 .93 1.00 58.5 17.1 4.37 .81 .95 1.00 55.5 16.3 4.92 .83 .98 1.00 51.5 15.1 5.54 .85 1.00 1.00
67�F1635 770 62.0 18.2 3.88 .60 .72 .83 59.0 17.3 4.37 .60 .73 .85 55.5 16.3 4.89 .62 .75 .87 52.0 15.2 5.55 .63 .77 .90
67�F(19�C)
1855 875 63.5 18.6 3.88 .61 .74 .86 60.5 17.7 4.37 .62 .76 .88 57.0 16.7 4.94 .63 .78 .91 53.5 15.7 5.56 .65 .80 .94(19�C)
2070 975 65.0 19.0 3.89 .63 .77 .90 62.0 18.2 4.40 .64 .78 .92 58.5 17.1 4.95 .65 .80 .95 54.5 16.0 5.54 .67 .83 .98
71�F1635 770 66.0 19.3 3.89 .47 .58 .69 62.5 18.3 4.40 .47 .59 .71 59.0 17.3 4.97 .47 .60 .72 55.5 16.3 5.55 .48 .61 .74
71�F(22�C)
1855 875 67.0 19.6 3.91 .47 .60 .72 64.0 18.8 4.42 .48 .61 .73 60.5 17.7 4.93 .48 .62 .75 56.5 16.6 5.59 .49 .63 .77(22�C)
2070 975 69.0 20.2 3.91 .48 .61 .74 66.0 19.3 4.39 .49 .62 .76 62.0 18.2 4.97 .49 .64 .78 58.0 17.0 5.60 .50 .65 .80
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 5 TON
HORIZONTAL INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 121
FIRST STAGE COOLING CAPACITY − XC21−060 with [CH33−50/60C−2F + G61MPV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1185 560 43.5 12.7 2.24 .74 .87 .99 41.5 12.2 2.62 .76 .89 1.00 39.5 11.6 3.07 .77 .91 1.00 37.4 11.0 3.60 .79 .94 1.00
63�F(17�C)
1355 640 45.0 13.2 2.23 .77 .91 1.00 43.0 12.6 2.61 .79 .93 1.00 41.0 12.0 3.06 .80 .95 1.00 38.5 11.3 3.56 .83 .98 1.00(17�C)
1545 730 46.5 13.6 2.20 .80 .95 1.00 44.5 13.0 2.59 .82 .97 1.00 42.0 12.3 3.04 .84 .99 1.00 40.0 11.7 3.51 .86 1.00 1.00
67�F1185 560 46.5 13.6 2.23 .59 .72 .84 44.5 13.0 2.58 .60 .73 .85 42.0 12.3 3.03 .61 .75 .88 40.0 11.7 3.55 .62 .77 .90
67�F(19�C)
1355 640 48.0 14.1 2.20 .61 .74 .87 46.0 13.5 2.58 .62 .76 .89 43.5 12.7 3.01 .63 .78 .92 41.0 12.0 3.50 .64 .80 .95(19�C)
1545 730 49.0 14.4 2.19 .63 .78 .91 47.0 13.8 2.55 .64 .79 .93 44.5 13.0 2.98 .65 .81 .96 42.0 12.3 3.50 .67 .83 .99
71�F1185 560 49.0 14.4 2.20 .46 .58 .69 47.0 13.8 2.55 .47 .58 .70 45.0 13.2 2.97 .47 .59 .71 42.5 12.5 3.50 .47 .61 .74
71�F(22�C)
1355 640 51.0 14.9 2.17 .47 .59 .71 48.5 14.2 2.55 .48 .61 .73 46.5 13.6 2.98 .48 .62 .75 43.5 12.7 3.48 .48 .63 .77(22�C)
1545 730 52.0 15.2 2.18 .48 .62 .75 50.0 14.7 2.54 .49 .63 .77 47.5 13.9 2.94 .49 .64 .78 45.0 13.2 3.46 .50 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−060 with [CH33−50/60C−2F + G61MPV−60C−090]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1710 805 59.0 17.3 3.84 .75 .88 1.00 56.0 16.4 4.34 .77 .90 1.00 53.0 15.5 4.91 .78 .93 1.00 49.5 14.5 5.53 .81 .96 1.00
63�F(17�C)
1925 910 61.0 17.9 3.86 .78 .91 1.00 58.0 17.0 4.36 .79 .94 1.00 54.5 16.0 4.92 .81 .96 1.00 51.0 14.9 5.52 .84 .99 1.00(17�C)
2165 1020 62.5 18.3 3.87 .80 .95 1.00 59.5 17.4 4.38 .82 .97 1.00 56.0 16.4 4.90 .84 1.00 1.00 52.5 15.4 5.56 .87 1.00 1.00
67�F1710 805 62.5 18.3 3.86 .61 .73 .85 59.5 17.4 4.38 .61 .74 .86 56.0 16.4 4.92 .62 .76 .89 52.5 15.4 5.55 .64 .78 .92
67�F(19�C)
1925 910 64.0 18.8 3.88 .62 .75 .88 61.0 17.9 4.38 .63 .77 .90 57.5 16.9 4.94 .64 .79 .93 54.0 15.8 5.57 .66 .81 .96(19�C)
2165 1020 66.0 19.3 3.89 .64 .78 .91 62.5 18.3 4.40 .65 .80 .94 59.0 17.3 4.95 .66 .82 .96 55.5 16.3 5.56 .68 .84 1.00
71�F1710 805 66.0 19.3 3.90 .47 .59 .70 63.0 18.5 4.40 .48 .60 .72 59.5 17.4 4.95 .48 .61 .73 56.0 16.4 5.58 .49 .62 .75
71�F(22�C)
1925 910 68.0 19.9 3.92 .48 .61 .73 65.0 19.0 4.40 .48 .62 .74 61.0 17.9 4.96 .49 .63 .76 57.0 16.7 5.59 .50 .64 .79(22�C)
2165 1020 70.0 20.5 3.91 .49 .62 .75 66.0 19.3 4.41 .50 .63 .77 62.5 18.3 4.98 .50 .65 .79 58.5 17.1 5.60 .51 .67 .82
FIRST STAGE COOLING CAPACITY − XC21−060 with [CH33−60D−2F + G60UHV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1185 560 43.5 12.7 2.24 .74 .87 .99 41.5 12.2 2.62 .75 .89 1.00 39.5 11.6 3.07 .77 .91 1.00 37.2 10.9 3.60 .79 .94 1.00
63�F(17�C)
1330 630 44.5 13.0 2.23 .76 .90 1.00 42.5 12.5 2.61 .78 .92 1.00 40.5 11.9 3.06 .79 .94 1.00 38.5 11.3 3.56 .82 .97 1.00(17�C)
1495 705 46.0 13.5 2.22 .79 .93 1.00 44.0 12.9 2.59 .80 .96 1.00 41.5 12.2 3.03 .82 .98 1.00 39.5 11.6 3.53 .85 1.00 1.00
67�F1185 560 46.0 13.5 2.23 .59 .71 .83 44.5 13.0 2.58 .60 .72 .85 42.0 12.3 3.03 .61 .74 .87 40.0 11.7 3.55 .62 .76 .90
67�F(19�C)
1330 630 47.5 13.9 2.19 .61 .74 .86 45.5 13.3 2.58 .61 .75 .88 43.0 12.6 3.02 .63 .77 .91 41.0 12.0 3.53 .64 .79 .94(19�C)
1495 705 49.0 14.4 2.20 .62 .76 .90 46.5 13.6 2.57 .63 .78 .92 44.5 13.0 2.98 .64 .80 .94 41.5 12.2 3.50 .65 .82 .97
71�F1185 560 49.0 14.4 2.20 .46 .57 .69 47.0 13.8 2.55 .46 .58 .70 45.0 13.2 2.97 .47 .59 .71 42.5 12.5 3.50 .47 .60 .73
71�F(22�C)
1330 630 50.5 14.8 2.17 .46 .59 .71 48.5 14.2 2.53 .47 .60 .73 46.0 13.5 2.98 .47 .61 .74 43.5 12.7 3.48 .48 .62 .76(22�C)
1495 705 52.0 15.2 2.17 .47 .61 .74 49.5 14.5 2.55 .48 .62 .75 47.0 13.8 2.96 .48 .63 .77 44.5 13.0 3.46 .49 .64 .80
SECOND STAGE COOLING CAPACITY − XC21−060 with [CH33−60D−2F + G60UHV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1690 800 59.0 17.3 3.84 .75 .87 .99 56.0 16.4 4.32 .76 .89 1.00 53.0 15.5 4.90 .78 .92 1.00 49.5 14.5 5.53 .80 .95 1.00
63�F(17�C)
1900 895 60.5 17.7 3.85 .77 .90 1.00 57.5 16.9 4.36 .78 .93 1.00 54.0 15.8 4.92 .80 .95 1.00 50.5 14.8 5.52 .83 .99 1.00(17�C)
2135 1010 62.0 18.2 3.86 .79 .94 1.00 59.0 17.3 4.37 .81 .96 1.00 55.5 16.3 4.93 .83 .99 1.00 52.0 15.2 5.55 .86 1.00 1.00
67�F1690 800 62.5 18.3 3.85 .60 .72 .84 59.5 17.4 4.38 .61 .74 .86 56.0 16.4 4.92 .62 .75 .88 52.5 15.4 5.55 .63 .77 .91
67�F(19�C)
1900 895 64.0 18.8 3.88 .61 .74 .87 61.0 17.9 4.37 .62 .76 .89 57.5 16.9 4.94 .64 .78 .92 53.5 15.7 5.56 .65 .80 .95(19�C)
2135 1010 65.0 19.0 3.88 .63 .77 .90 62.5 18.3 4.40 .64 .79 .93 59.0 17.3 4.95 .65 .81 .96 55.0 16.1 5.55 .67 .83 .99
71�F1690 800 66.0 19.3 3.90 .47 .58 .70 63.0 18.5 4.40 .47 .59 .71 59.5 17.4 4.97 .47 .60 .73 55.5 16.3 5.57 .48 .61 .75
71�F(22�C)
1900 895 68.0 19.9 3.91 .47 .60 .72 64.5 18.9 4.40 .48 .61 .73 61.0 17.9 4.93 .48 .62 .75 57.0 16.7 5.59 .49 .64 .78(22�C)
2135 1010 69.0 20.2 3.91 .48 .61 .74 66.0 19.3 4.41 .49 .63 .76 62.0 18.2 4.98 .49 .64 .78 58.0 17.0 5.60 .50 .66 .81
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 5 TON
HORIZONTAL INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 122
FIRST STAGE COOLING CAPACITY − XC21−060 with [CH33−60D−2F + G61MPV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1240 585 44.0 12.9 2.22 .75 .88 1.00 42.0 12.3 2.62 .76 .90 1.00 40.0 11.7 3.07 .78 .92 1.00 37.6 11.0 3.59 .80 .95 1.00
63�F(17�C)
1390 655 45.0 13.2 2.23 .77 .91 1.00 43.0 12.6 2.61 .79 .94 1.00 41.0 12.0 3.03 .81 .96 1.00 38.5 11.3 3.57 .83 .99 1.00(17�C)
1545 730 46.0 13.5 2.20 .80 .95 1.00 44.0 12.9 2.59 .81 .97 1.00 42.0 12.3 3.03 .83 .99 1.00 39.5 11.6 3.54 .86 1.00 1.00
67�F1240 585 47.0 13.8 2.21 .60 .72 .84 45.0 13.2 2.59 .61 .74 .86 42.5 12.5 3.02 .61 .75 .89 40.0 11.7 3.54 .63 .77 .91
67�F(19�C)
1390 655 48.0 14.1 2.20 .61 .75 .88 46.0 13.5 2.58 .62 .76 .90 43.5 12.7 3.01 .63 .78 .92 41.0 12.0 3.50 .65 .80 .95(19�C)
1545 730 49.0 14.4 2.19 .63 .77 .91 47.0 13.8 2.55 .64 .79 .93 44.5 13.0 2.98 .65 .81 .96 42.0 12.3 3.50 .66 .83 .99
71�F1240 585 49.5 14.5 2.20 .46 .58 .70 47.5 13.9 2.54 .46 .59 .71 45.5 13.3 2.96 .47 .60 .73 43.0 12.6 3.49 .47 .61 .75
71�F(22�C)
1390 655 51.0 14.9 2.16 .47 .59 .72 49.0 14.4 2.55 .47 .61 .74 46.5 13.6 2.97 .48 .62 .75 44.0 12.9 3.45 .48 .63 .77(22�C)
1545 730 52.0 15.2 2.18 .48 .61 .75 50.0 14.7 2.54 .48 .62 .76 47.5 13.9 2.94 .49 .63 .78 44.5 13.0 3.46 .49 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−060 with [CH33−60D−2F + G61MPV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1780 840 59.5 17.4 3.85 .76 .89 1.00 56.5 16.6 4.35 .77 .91 1.00 53.5 15.7 4.91 .79 .94 1.00 50.0 14.7 5.54 .81 .97 1.00
63�F(17�C)
1985 935 61.0 17.9 3.87 .78 .92 1.00 58.0 17.0 4.36 .80 .94 1.00 54.5 16.0 4.92 .82 .97 1.00 51.0 14.9 5.53 .84 1.00 1.00(17�C)
2190 1035 62.5 18.3 3.87 .80 .95 1.00 59.5 17.4 4.38 .82 .97 1.00 56.0 16.4 4.90 .84 1.00 1.00 52.5 15.4 5.56 .87 1.00 1.00
67�F1780 840 63.0 18.5 3.86 .61 .73 .85 60.0 17.6 4.35 .62 .75 .87 56.5 16.6 4.93 .63 .76 .90 53.0 15.5 5.56 .64 .79 .93
67�F(19�C)
1985 935 64.5 18.9 3.88 .62 .75 .88 61.5 18.0 4.38 .63 .77 .91 58.0 17.0 4.95 .64 .79 .93 54.0 15.8 5.57 .66 .82 .97(19�C)
2190 1035 66.0 19.3 3.89 .64 .78 .91 62.5 18.3 4.40 .65 .79 .94 59.0 17.3 4.95 .66 .82 .96 55.5 16.3 5.56 .68 .84 1.00
71�F1780 840 67.0 19.6 3.89 .47 .59 .71 63.5 18.6 4.41 .47 .60 .72 60.0 17.6 4.94 .48 .61 .74 56.0 16.4 5.58 .49 .63 .76
71�F(22�C)
1985 935 68.0 19.9 3.92 .48 .61 .73 65.0 19.0 4.39 .48 .61 .75 61.5 18.0 4.96 .49 .63 .77 57.5 16.9 5.59 .50 .64 .79(22�C)
2190 1035 70.0 20.5 3.91 .49 .62 .75 66.0 19.3 4.41 .49 .63 .77 62.5 18.3 4.98 .50 .65 .79 58.5 17.1 5.60 .51 .66 .82
FIRST STAGE COOLING CAPACITY − XC21−060 with [CH33−62D−2F + G60UHV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1185 560 43.5 12.7 2.23 .74 .87 .99 42.0 12.3 2.62 .75 .88 1.00 40.0 11.7 3.06 .77 .91 1.00 37.4 11.0 3.59 .79 .93 1.00
63�F(17�C)
1330 630 45.0 13.2 2.22 .76 .90 1.00 43.0 12.6 2.61 .78 .92 1.00 41.0 12.0 3.05 .79 .94 1.00 38.5 11.3 3.56 .81 .97 1.00(17�C)
1495 705 46.0 13.5 2.20 .79 .93 1.00 44.0 12.9 2.59 .80 .95 1.00 42.0 12.3 3.03 .82 .98 1.00 39.5 11.6 3.53 .84 1.00 1.00
67�F1185 560 46.5 13.6 2.22 .59 .72 .83 44.5 13.0 2.59 .60 .73 .85 42.5 12.5 3.02 .61 .74 .87 40.0 11.7 3.54 .62 .76 .90
67�F(19�C)
1330 630 47.5 13.9 2.20 .61 .74 .86 45.5 13.3 2.57 .61 .75 .88 43.5 12.7 3.01 .63 .77 .90 41.0 12.0 3.53 .64 .79 .93(19�C)
1495 705 49.0 14.4 2.19 .62 .76 .90 47.0 13.8 2.57 .63 .78 .92 44.5 13.0 2.98 .64 .80 .94 42.0 12.3 3.50 .66 .82 .97
71�F1185 560 49.0 14.4 2.19 .46 .58 .69 47.0 13.8 2.55 .46 .58 .70 44.5 13.0 2.98 .47 .59 .72 42.5 12.5 3.49 .47 .61 .73
71�F(22�C)
1330 630 50.5 14.8 2.16 .46 .59 .71 48.5 14.2 2.55 .47 .60 .73 46.0 13.5 2.97 .47 .61 .74 43.5 12.7 3.48 .48 .62 .76(22�C)
1495 705 52.0 15.2 2.18 .47 .61 .74 49.5 14.5 2.54 .48 .62 .75 47.0 13.8 2.96 .48 .63 .77 44.5 13.0 3.46 .49 .64 .79
SECOND STAGE COOLING CAPACITY − XC21−060 with [CH33−62D−2F + G60UHV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1690 800 59.5 17.4 3.82 .75 .87 .99 56.5 16.6 4.35 .76 .89 1.00 53.5 15.7 4.91 .78 .92 1.00 50.0 14.7 5.54 .80 .95 1.00
63�F(17�C)
1900 895 61.5 18.0 3.85 .77 .90 1.00 58.5 17.1 4.37 .78 .92 1.00 55.0 16.1 4.93 .80 .95 1.00 51.5 15.1 5.53 .83 .98 1.00(17�C)
2135 1010 63.0 18.5 3.85 .79 .94 1.00 60.0 17.6 4.38 .81 .96 1.00 56.5 16.6 4.90 .83 .99 1.00 52.5 15.4 5.54 .86 1.00 1.00
67�F1690 800 63.0 18.5 3.86 .60 .72 .84 60.0 17.6 4.34 .61 .73 .86 57.0 16.7 4.93 .62 .75 .88 53.5 15.7 5.57 .63 .77 .91
67�F(19�C)
1900 895 65.0 19.0 3.89 .61 .74 .87 61.5 18.0 4.39 .62 .76 .89 58.5 17.1 4.95 .64 .78 .92 54.5 16.0 5.58 .65 .80 .95(19�C)
2135 1010 67.0 19.6 3.90 .63 .77 .90 63.5 18.6 4.38 .65 .79 .93 60.0 17.6 4.97 .66 .81 .95 56.0 16.4 5.57 .67 .83 .99
71�F1690 800 67.0 19.6 3.89 .47 .58 .69 63.5 18.6 4.40 .47 .59 .71 60.0 17.6 4.93 .48 .60 .73 56.5 16.6 5.59 .48 .62 .75
71�F(22�C)
1900 895 69.0 20.2 3.90 .47 .60 .72 65.0 19.0 4.39 .48 .61 .73 61.5 18.0 4.97 .48 .62 .75 57.5 16.9 5.61 .49 .64 .78(22�C)
2135 1010 70.0 20.5 3.90 .48 .62 .74 67.0 19.6 4.43 .49 .63 .76 63.0 18.5 4.99 .49 .64 .78 59.0 17.3 5.62 .50 .66 .81
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.
RATINGS 5 TON
HORIZONTAL INDOOR COILS + FURNACE
XC21 − 2 to 5 Ton Air Conditioner / Page 123
FIRST STAGE COOLING CAPACITY − XC21−060 with [CH33−62D−2F + G61MPV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1240 585 44.0 12.9 2.23 .75 .88 1.00 42.0 12.3 2.61 .76 .90 1.00 40.0 11.7 3.06 .78 .92 1.00 37.8 11.1 3.59 .80 .95 1.00
63�F(17�C)
1390 655 45.5 13.3 2.22 .77 .91 1.00 43.5 12.7 2.61 .79 .93 1.00 41.5 12.2 3.03 .80 .96 1.00 39.0 11.4 3.57 .83 .99 1.00(17�C)
1545 730 46.5 13.6 2.21 .80 .94 1.00 44.5 13.0 2.60 .81 .96 1.00 42.0 12.3 3.03 .83 .99 1.00 40.0 11.7 3.52 .85 1.00 1.00
67�F1240 585 47.0 13.8 2.19 .60 .72 .84 45.0 13.2 2.58 .61 .74 .86 42.5 12.5 3.02 .62 .75 .88 40.5 11.9 3.54 .63 .77 .91
67�F(19�C)
1390 655 48.0 14.1 2.20 .61 .75 .87 46.0 13.5 2.57 .62 .76 .90 44.0 12.9 3.01 .63 .78 .92 41.5 12.2 3.50 .65 .80 .95(19�C)
1545 730 49.5 14.5 2.19 .63 .77 .91 47.5 13.9 2.55 .64 .79 .93 45.0 13.2 2.99 .65 .81 .95 42.5 12.5 3.49 .67 .83 .98
71�F1240 585 49.5 14.5 2.19 .46 .58 .70 47.5 13.9 2.54 .47 .59 .71 45.5 13.3 2.98 .47 .60 .73 43.0 12.6 3.49 .47 .61 .75
71�F(22�C)
1390 655 51.0 14.9 2.17 .47 .60 .72 49.0 14.4 2.54 .47 .61 .74 46.5 13.6 2.97 .48 .62 .75 44.0 12.9 3.45 .48 .63 .77(22�C)
1545 730 52.0 15.2 2.17 .48 .61 .74 50.0 14.7 2.54 .48 .62 .76 47.5 13.9 2.94 .49 .63 .78 45.0 13.2 3.46 .49 .65 .80
SECOND STAGE COOLING CAPACITY − XC21−060 with [CH33−62D−2F + G61MPV−60D−135]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1780 840 60.5 17.7 3.85 .76 .89 1.00 57.5 16.9 4.36 .77 .91 1.00 54.0 15.8 4.92 .79 .93 1.00 50.5 14.8 5.54 .81 .97 1.00
63�F(17�C)
1985 935 62.0 18.2 3.86 .78 .92 1.00 59.0 17.3 4.37 .80 .94 1.00 55.5 16.3 4.93 .82 .97 1.00 52.0 15.2 5.54 .84 1.00 1.00(17�C)
2190 1035 63.5 18.6 3.86 .80 .95 1.00 60.5 17.7 4.38 .82 .97 1.00 57.0 16.7 4.91 .84 1.00 1.00 53.0 15.5 5.55 .87 1.00 1.00
67�F1780 840 64.0 18.8 3.87 .61 .73 .85 61.0 17.9 4.38 .62 .75 .87 57.5 16.9 4.94 .63 .77 .90 54.0 15.8 5.58 .65 .79 .93
67�F(19�C)
1985 935 66.0 19.3 3.88 .62 .75 .88 62.5 18.3 4.40 .63 .77 .90 59.0 17.3 4.96 .64 .79 .93 55.0 16.1 5.56 .66 .82 .96(19�C)
2190 1035 67.0 19.6 3.90 .64 .78 .91 64.0 18.8 4.39 .65 .80 .94 60.0 17.6 4.97 .66 .82 .97 56.5 16.6 5.58 .68 .84 1.00
71�F1780 840 68.0 19.9 3.91 .47 .59 .71 64.5 18.9 4.39 .47 .60 .72 61.0 17.9 4.96 .48 .61 .74 57.0 16.7 5.60 .49 .63 .76
71�F(22�C)
1985 935 69.0 20.2 3.90 .48 .61 .73 66.0 19.3 4.41 .48 .62 .75 62.0 18.2 4.98 .49 .63 .77 58.5 17.1 5.61 .50 .65 .79(22�C)
2190 1035 71.0 20.8 3.93 .48 .62 .75 67.0 19.6 4.43 .49 .64 .77 63.5 18.6 4.99 .50 .65 .79 59.5 17.4 5.59 .51 .67 .82
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CBX32M/CB31M/CB30U] [CBX32MV/CB31MV] air handlers.
RATINGS 5 TON
AIR HANDLERS
XC21 − 2 to 5 Ton Air Conditioner / Page 124
FIRST STAGE COOLING CAPACITY − XC21−060 with [CBX32M−048][CB30M−51]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1300 615 45.0 13.2 2.09 .76 .91 1.00 43.0 12.6 2.45 .78 .93 1.00 40.5 11.9 2.85 .79 .95 1.00 38.5 11.3 3.33 .81 .97 1.00
63�F(17�C)
1400 660 45.5 13.3 2.09 .78 .93 1.00 43.5 12.7 2.44 .79 .95 1.00 41.5 12.2 2.85 .81 .97 1.00 39.0 11.4 3.31 .83 .99 1.00(17�C)
1500 710 46.0 13.5 2.08 .79 .95 1.00 44.0 12.9 2.44 .81 .97 1.00 42.0 12.3 2.84 .83 .99 1.00 40.0 11.7 3.30 .85 1.00 1.00
67�F1300 615 47.5 13.9 2.08 .60 .74 .87 45.5 13.3 2.43 .61 .75 .89 43.5 12.7 2.82 .62 .77 .91 41.0 12.0 3.29 .63 .79 .94
67�F(19�C)
1400 660 48.5 14.2 2.08 .61 .75 .89 46.0 13.5 2.42 .62 .77 .92 44.0 12.9 2.82 .63 .79 .94 41.5 12.2 3.28 .64 .81 .97(19�C)
1500 710 49.0 14.4 2.07 .62 .77 .92 47.0 13.8 2.42 .63 .79 .94 44.5 13.0 2.82 .64 .80 .96 42.0 12.3 3.28 .65 .83 .98
71�F1300 615 50.5 14.8 2.07 .45 .59 .71 48.0 14.1 2.41 .46 .59 .72 46.0 13.5 2.80 .46 .60 .74 43.5 12.7 3.26 .46 .62 .76
71�F(22�C)
1400 660 51.0 14.9 2.07 .46 .60 .73 49.0 14.4 2.41 .46 .60 .74 46.5 13.6 2.80 .47 .62 .76 44.0 12.9 3.26 .47 .63 .78(22�C)
1500 710 52.0 15.2 2.07 .46 .61 .74 49.5 14.5 2.41 .47 .62 .76 47.5 13.9 2.80 .47 .63 .78 44.5 13.0 3.25 .48 .64 .80
SECOND STAGE COOLING CAPACITY − XC21−060 with [CBX32M−048][CB30M−51]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1650 780 58.5 17.1 3.68 .75 .88 1.00 55.5 16.3 4.14 .76 .90 1.00 52.5 15.4 4.66 .78 .93 1.00 49.0 14.4 5.25 .80 .96 1.00
63�F(17�C)
1850 875 59.5 17.4 3.70 .77 .91 1.00 57.0 16.7 4.15 .78 .94 1.00 53.5 15.7 4.67 .80 .96 1.00 50.5 14.8 5.25 .83 .99 1.00(17�C)
2050 970 61.0 17.9 3.71 .79 .94 1.00 58.0 17.0 4.17 .81 .97 1.00 55.0 16.1 4.70 .83 .99 1.00 51.5 15.1 5.26 .86 1.00 1.00
67�F1650 780 62.0 18.2 3.72 .59 .72 .85 59.0 17.3 4.18 .60 .73 .87 56.0 16.4 4.71 .61 .75 .89 52.0 15.2 5.26 .62 .77 .92
67�F(19�C)
1850 875 63.5 18.6 3.73 .61 .74 .88 60.5 17.7 4.20 .62 .76 .90 57.0 16.7 4.71 .63 .78 .93 53.5 15.7 5.30 .64 .80 .96(19�C)
2050 970 64.5 18.9 3.75 .62 .77 .91 61.5 18.0 4.22 .63 .78 .94 58.0 17.0 4.73 .64 .81 .96 54.5 16.0 5.30 .66 .83 .99
71�F1650 780 65.0 19.0 3.76 .45 .58 .70 62.0 18.2 4.23 .45 .59 .71 59.0 17.3 4.74 .46 .60 .73 55.5 16.3 5.32 .46 .61 .75
71�F(22�C)
1850 875 67.0 19.6 3.78 .46 .59 .72 63.5 18.6 4.25 .46 .60 .74 60.5 17.7 4.76 .46 .61 .76 56.5 16.6 5.32 .47 .63 .78(22�C)
2050 970 68.0 19.9 3.79 .46 .61 .74 65.0 19.0 4.25 .47 .62 .76 61.5 18.0 4.77 .47 .63 .78 57.5 16.9 5.35 .48 .65 .81
FIRST STAGE COOLING CAPACITY − XC21−060 with [CBX32M−060][CB30M−65]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1300 615 45.0 13.2 2.09 .76 .90 1.00 43.0 12.6 2.44 .77 .92 1.00 41.0 12.0 2.85 .79 .94 1.00 39.0 11.4 3.31 .81 .97 1.00
63�F(17�C)
1400 660 46.0 13.5 2.08 .77 .92 1.00 44.0 12.9 2.44 .79 .94 1.00 42.0 12.3 2.84 .81 .97 1.00 39.5 11.6 3.30 .83 .99 1.00(17�C)
1500 710 46.5 13.6 2.08 .79 .94 1.00 44.5 13.0 2.44 .81 .96 1.00 42.5 12.5 2.83 .83 .98 1.00 40.0 11.7 3.31 .85 1.00 1.00
67�F1300 615 47.5 13.9 2.07 .60 .74 .86 45.5 13.3 2.42 .61 .75 .88 43.5 12.7 2.83 .62 .77 .91 41.0 12.0 3.28 .63 .79 .93
67�F(19�C)
1400 660 48.5 14.2 2.08 .61 .75 .89 46.5 13.6 2.42 .62 .77 .91 44.5 13.0 2.82 .63 .79 .93 42.0 12.3 3.28 .64 .80 .96(19�C)
1500 710 49.0 14.4 2.07 .62 .77 .91 47.0 13.8 2.42 .63 .78 .93 45.0 13.2 2.81 .64 .80 .95 42.5 12.5 3.27 .65 .82 .98
71�F1300 615 50.5 14.8 2.07 .45 .58 .71 48.5 14.2 2.41 .46 .59 .72 46.0 13.5 2.80 .46 .60 .74 43.5 12.7 3.26 .47 .62 .76
71�F(22�C)
1400 660 51.5 15.1 2.06 .46 .59 .73 49.0 14.4 2.40 .46 .60 .74 47.0 13.8 2.79 .47 .61 .76 44.5 13.0 3.25 .47 .63 .78(22�C)
1500 710 52.0 15.2 2.06 .46 .61 .74 50.0 14.7 2.41 .47 .61 .76 47.5 13.9 2.79 .47 .63 .78 45.0 13.2 3.25 .48 .64 .80
SECOND STAGE COOLING CAPACITY − XC21−060 with [CBX32M−060][CB30M−65]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1650 780 59.5 17.4 3.69 .74 .87 .99 56.5 16.6 4.16 .75 .89 1.00 53.5 15.7 4.68 .77 .92 1.00 50.0 14.7 5.25 .79 .95 1.00
63�F(17�C)
1850 875 61.0 17.9 3.71 .76 .90 1.00 58.0 17.0 4.18 .78 .93 1.00 55.0 16.1 4.70 .80 .95 1.00 51.5 15.1 5.26 .82 .98 1.00(17�C)
2050 970 62.0 18.2 3.72 .78 .93 1.00 59.0 17.3 4.18 .80 .96 1.00 56.0 16.4 4.70 .82 .98 1.00 52.5 15.4 5.27 .85 1.00 1.00
67�F1650 780 62.5 18.3 3.73 .59 .72 .84 59.5 17.4 4.18 .60 .73 .86 56.5 16.6 4.71 .61 .75 .88 53.0 15.5 5.28 .62 .77 .91
67�F(19�C)
1850 875 64.0 18.8 3.74 .60 .74 .87 61.0 17.9 4.21 .61 .75 .89 58.0 17.0 4.73 .62 .77 .92 54.0 15.8 5.30 .64 .80 .95(19�C)
2050 970 65.0 19.0 3.76 .62 .76 .90 62.5 18.3 4.23 .63 .78 .92 59.0 17.3 4.74 .64 .80 .95 55.5 16.3 5.32 .65 .82 .98
71�F1650 780 66.0 19.3 3.77 .46 .58 .69 63.0 18.5 4.24 .46 .58 .71 59.5 17.4 4.75 .46 .60 .72 56.0 16.4 5.33 .47 .61 .74
71�F(22�C)
1850 875 68.0 19.9 3.79 .46 .59 .72 64.5 18.9 4.24 .46 .60 .73 61.0 17.9 4.77 .47 .61 .75 57.0 16.7 5.34 .47 .63 .77(22�C)
2050 970 69.0 20.2 3.80 .46 .60 .74 66.0 19.3 4.27 .47 .61 .75 62.0 18.2 4.79 .48 .63 .77 58.5 17.1 5.35 .48 .64 .80
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CBX32M/CB31M/CB30U] [CBX32MV/CB31MV] air handlers.
RATINGS 5 TON
AIR HANDLERS
XC21 − 2 to 5 Ton Air Conditioner / Page 125
FIRST STAGE COOLING CAPACITY − XC21−060 with [CBX32MV−048][CB31MV−51]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1175 555 44.0 12.9 2.10 .74 .87 .99 42.0 12.3 2.45 .75 .89 1.00 40.0 11.7 2.86 .77 .91 1.00 38.0 11.1 3.33 .79 .94 1.00
63�F(17�C)
1275 600 45.0 13.2 2.09 .76 .89 1.00 43.0 12.6 2.44 .77 .91 1.00 41.0 12.0 2.85 .79 .94 1.00 39.0 11.4 3.32 .81 .96 1.00(17�C)
1405 665 46.0 13.5 2.08 .78 .92 1.00 44.0 12.9 2.44 .79 .94 1.00 42.0 12.3 2.84 .81 .97 1.00 39.5 11.6 3.31 .83 .99 1.00
67�F1175 555 46.5 13.6 2.08 .59 .71 .84 44.5 13.0 2.43 .60 .73 .85 42.5 12.5 2.82 .60 .74 .87 40.5 11.9 3.30 .61 .76 .90
67�F(19�C)
1275 600 47.5 13.9 2.08 .60 .73 .86 45.5 13.3 2.43 .61 .74 .88 43.5 12.7 2.83 .61 .76 .90 41.0 12.0 3.29 .63 .78 .93(19�C)
1405 665 48.5 14.2 2.08 .61 .75 .89 46.5 13.6 2.42 .62 .77 .91 44.5 13.0 2.82 .63 .79 .93 42.0 12.3 3.28 .64 .81 .96
71�F1175 555 49.0 14.4 2.07 .45 .57 .69 47.5 13.9 2.41 .45 .58 .70 45.0 13.2 2.81 .46 .59 .72 43.0 12.6 3.26 .46 .60 .73
71�F(22�C)
1275 600 50.5 14.8 2.07 .45 .58 .71 48.0 14.1 2.41 .46 .59 .72 46.0 13.5 2.80 .46 .60 .74 43.5 12.7 3.26 .47 .61 .75(22�C)
1405 665 51.5 15.1 2.06 .46 .59 .73 49.0 14.4 2.40 .46 .60 .74 47.0 13.8 2.80 .47 .62 .76 44.5 13.0 3.25 .47 .63 .78
SECOND STAGE COOLING CAPACITY − XC21−060 with [CBX32MV−048][CB31MV−51]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1725 815 60.0 17.6 3.69 .75 .88 1.00 57.0 16.7 4.17 .76 .90 1.00 54.0 15.8 4.67 .78 .93 1.00 50.5 14.8 5.26 .80 .96 1.00
63�F(17�C)
1820 860 60.5 17.7 3.71 .76 .90 1.00 58.0 17.0 4.17 .77 .92 1.00 54.5 16.0 4.69 .79 .95 1.00 51.5 15.1 5.28 .82 .97 1.00(17�C)
2005 945 62.0 18.2 3.72 .78 .93 1.00 59.0 17.3 4.18 .80 .95 1.00 56.0 16.4 4.70 .82 .97 1.00 52.0 15.2 5.29 .84 .99 1.00
67�F1725 815 63.5 18.6 3.74 .60 .73 .85 60.5 17.7 4.20 .60 .74 .87 57.0 16.7 4.71 .61 .76 .90 53.5 15.7 5.29 .63 .78 .92
67�F(19�C)
1820 860 64.0 18.8 3.74 .60 .73 .87 61.0 17.9 4.21 .61 .75 .89 57.5 16.9 4.73 .62 .77 .91 54.0 15.8 5.30 .64 .79 .94(19�C)
2005 945 65.0 19.0 3.76 .61 .76 .89 62.0 18.2 4.22 .62 .77 .92 58.5 17.1 4.74 .64 .79 .94 55.0 16.1 5.32 .65 .82 .97
71�F1725 815 67.0 19.6 3.78 .46 .58 .70 63.5 18.6 4.23 .46 .59 .71 60.5 17.7 4.76 .46 .60 .73 56.5 16.6 5.33 .47 .61 .75
71�F(22�C)
1820 860 67.0 19.6 3.78 .46 .59 .71 64.0 18.8 4.24 .46 .60 .73 61.0 17.9 4.77 .46 .61 .74 57.0 16.7 5.34 .47 .62 .77(22�C)
2005 945 69.0 20.2 3.80 .46 .60 .73 66.0 19.3 4.26 .47 .61 .75 62.0 18.2 4.79 .47 .62 .77 58.0 17.0 5.35 .48 .64 .79
FIRST STAGE COOLING CAPACITY − XC21−060 with [CBX32MV−060][CB31MV−65]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1175 555 44.0 12.9 2.10 .74 .87 .99 42.0 12.3 2.45 .75 .89 1.00 40.0 11.7 2.86 .77 .91 1.00 38.0 11.1 3.33 .79 .94 1.00
63�F(17�C)
1275 600 45.0 13.2 2.09 .76 .89 1.00 43.0 12.6 2.44 .77 .91 1.00 41.0 12.0 2.85 .79 .94 1.00 39.0 11.4 3.32 .81 .96 1.00(17�C)
1405 665 46.0 13.5 2.08 .78 .92 1.00 44.0 12.9 2.44 .79 .94 1.00 42.0 12.3 2.84 .81 .97 1.00 39.5 11.6 3.31 .83 .99 1.00
67�F1175 555 46.5 13.6 2.08 .59 .71 .84 44.5 13.0 2.43 .60 .73 .85 42.5 12.5 2.82 .60 .74 .87 40.5 11.9 3.30 .61 .76 .90
67�F(19�C)
1275 600 47.5 13.9 2.08 .60 .73 .86 45.5 13.3 2.43 .61 .74 .88 43.5 12.7 2.83 .61 .76 .90 41.0 12.0 3.29 .63 .78 .93(19�C)
1405 665 48.5 14.2 2.08 .61 .75 .89 46.5 13.6 2.42 .62 .77 .91 44.5 13.0 2.82 .63 .79 .93 42.0 12.3 3.28 .64 .81 .96
71�F1175 555 49.0 14.4 2.07 .45 .57 .69 47.5 13.9 2.41 .45 .58 .70 45.0 13.2 2.81 .46 .59 .72 43.0 12.6 3.26 .46 .60 .73
71�F(22�C)
1275 600 50.5 14.8 2.07 .45 .58 .71 48.0 14.1 2.41 .46 .59 .72 46.0 13.5 2.80 .46 .60 .74 43.5 12.7 3.26 .47 .61 .75(22�C)
1405 665 51.5 15.1 2.06 .46 .59 .73 49.0 14.4 2.40 .46 .60 .74 47.0 13.8 2.80 .47 .62 .76 44.5 13.0 3.25 .47 .63 .78
SECOND STAGE COOLING CAPACITY − XC21−060 with [CBX32MV−060][CB31MV−65]
Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1725 815 60.0 17.6 3.69 .75 .88 1.00 57.0 16.7 4.17 .76 .90 1.00 54.0 15.8 4.67 .78 .93 1.00 50.5 14.8 5.26 .80 .96 1.00
63�F(17�C)
1820 860 60.5 17.7 3.71 .76 .90 1.00 58.0 17.0 4.17 .77 .92 1.00 54.5 16.0 4.69 .79 .95 1.00 51.5 15.1 5.28 .82 .97 1.00(17�C)
2005 945 62.0 18.2 3.72 .78 .93 1.00 59.0 17.3 4.18 .80 .95 1.00 56.0 16.4 4.70 .82 .97 1.00 52.0 15.2 5.29 .84 .99 1.00
67�F1725 815 63.5 18.6 3.74 .60 .73 .85 60.5 17.7 4.20 .60 .74 .87 57.0 16.7 4.71 .61 .76 .90 53.5 15.7 5.29 .63 .78 .92
67�F(19�C)
1820 860 64.0 18.8 3.74 .60 .73 .87 61.0 17.9 4.21 .61 .75 .89 57.5 16.9 4.73 .62 .77 .91 54.0 15.8 5.30 .64 .79 .94(19�C)
2005 945 65.0 19.0 3.76 .61 .76 .89 62.0 18.2 4.22 .62 .77 .92 58.5 17.1 4.74 .64 .79 .94 55.0 16.1 5.32 .65 .82 .97
71�F1725 815 67.0 19.6 3.78 .46 .58 .70 63.5 18.6 4.23 .46 .59 .71 60.5 17.7 4.76 .46 .60 .73 56.5 16.6 5.33 .47 .61 .75
71�F(22�C)
1820 860 67.0 19.6 3.78 .46 .59 .71 64.0 18.8 4.24 .46 .60 .73 61.0 17.9 4.77 .46 .61 .74 57.0 16.7 5.34 .47 .62 .77(22�C)
2005 945 69.0 20.2 3.80 .46 .60 .73 66.0 19.3 4.26 .47 .61 .75 62.0 18.2 4.79 .47 .62 .77 58.0 17.0 5.35 .48 .64 .79
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CBX32M/CB31M/CB30U] [CBX32MV/CB31MV] air handlers.
RATINGS 5 TON
AIR HANDLERS
XC21 − 2 to 5 Ton Air Conditioner / Page 126
FIRST STAGE COOLING CAPACITY − XC21−060 with [CBX32MV−068]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1250 590 44.5 13.0 2.23 .75 .88 1.00 42.5 12.5 2.62 .76 .90 1.00 40.5 11.9 3.06 .78 .93 1.00 38.0 11.1 3.56 .80 .95 1.00
63�F(17�C)
1390 655 45.5 13.3 2.23 .77 .91 1.00 43.5 12.7 2.59 .79 .93 1.00 41.5 12.2 3.03 .80 .96 1.00 39.0 11.4 3.57 .83 .99 1.00(17�C)
1465 690 46.0 13.5 2.22 .78 .93 1.00 44.0 12.9 2.59 .80 .95 1.00 42.0 12.3 3.04 .82 .98 1.00 39.5 11.6 3.54 .84 1.00 1.00
67�F1250 590 47.0 13.8 2.21 .59 .72 .84 45.0 13.2 2.58 .60 .74 .87 43.0 12.6 3.02 .62 .75 .89 40.5 11.9 3.53 .63 .77 .92
67�F(19�C)
1390 655 48.0 14.1 2.20 .60 .75 .88 46.0 13.5 2.57 .62 .76 .90 44.0 12.9 2.98 .63 .78 .92 41.5 12.2 3.51 .64 .80 .95(19�C)
1465 690 48.5 14.2 2.19 .61 .76 .89 46.5 13.6 2.54 .63 .77 .91 44.5 13.0 2.99 .64 .79 .94 42.0 12.3 3.51 .65 .81 .97
71�F1250 590 49.5 14.5 2.20 .46 .58 .70 48.0 14.1 2.54 .46 .59 .71 45.5 13.3 2.98 .47 .60 .73 43.0 12.6 3.49 .47 .61 .75
71�F(22�C)
1390 655 51.0 14.9 2.16 .46 .59 .72 48.5 14.2 2.54 .47 .60 .74 46.5 13.6 2.96 .48 .62 .75 44.0 12.9 3.45 .48 .62 .77(22�C)
1465 690 51.5 15.1 2.17 .47 .60 .73 49.0 14.4 2.54 .48 .60 .75 47.0 13.8 2.96 .48 .62 .76 44.0 12.9 3.46 .49 .64 .79
SECOND STAGE COOLING CAPACITY − XC21−060 with [CBX32MV−068]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1800 850 60.5 17.7 3.86 .76 .89 1.00 57.5 16.9 4.36 .77 .91 1.00 54.5 16.0 4.92 .79 .94 1.00 51.0 14.9 5.53 .81 .97 1.00
63�F(17�C)
2000 945 62.0 18.2 3.85 .78 .92 1.00 59.0 17.3 4.38 .80 .94 1.00 56.0 16.4 4.90 .82 .97 1.00 52.0 15.2 5.52 .84 1.00 1.00(17�C)
2150 1015 63.0 18.5 3.86 .79 .94 1.00 60.0 17.6 4.38 .81 .97 1.00 56.5 16.6 4.92 .83 .99 1.00 53.0 15.5 5.55 .86 1.00 1.00
67�F1800 850 64.0 18.8 3.85 .61 .73 .85 60.5 17.7 4.37 .61 .75 .87 57.5 16.9 4.94 .63 .77 .90 54.0 15.8 5.57 .64 .79 .93
67�F(19�C)
2000 945 65.0 19.0 3.89 .62 .75 .88 62.0 18.2 4.40 .63 .77 .91 59.0 17.3 4.96 .64 .79 .94 55.0 16.1 5.56 .66 .82 .97(19�C)
2150 1015 66.0 19.3 3.89 .63 .77 .90 63.0 18.5 4.40 .64 .79 .93 60.0 17.6 4.96 .66 .81 .96 56.0 16.4 5.58 .67 .84 .99
71�F1800 850 67.0 19.6 3.89 .47 .59 .71 64.0 18.8 4.39 .47 .60 .72 60.5 17.7 4.93 .48 .61 .74 56.5 16.6 5.59 .49 .63 .76
71�F(22�C)
2000 945 69.0 20.2 3.90 .48 .61 .73 65.0 19.0 4.38 .48 .62 .74 61.5 18.0 4.97 .49 .63 .77 58.0 17.0 5.60 .50 .65 .79(22�C)
2150 1015 69.0 20.2 3.90 .49 .62 .74 66.0 19.3 4.41 .49 .63 .76 62.5 18.3 4.98 .50 .64 .78 59.0 17.3 5.61 .51 .66 .81
FIRST STAGE COOLING CAPACITY − XC21−060 with [CB30U−51]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1300 615 44.0 12.9 2.09 .76 .90 1.00 42.0 12.3 2.45 .77 .92 1.00 40.5 11.9 2.86 .79 .94 1.00 38.0 11.1 3.33 .81 .97 1.00
63�F(17�C)
1400 660 45.0 13.2 2.09 .77 .92 1.00 43.0 12.6 2.45 .79 .94 1.00 41.0 12.0 2.86 .81 .96 1.00 39.0 11.4 3.33 .83 .99 1.00(17�C)
1500 710 45.5 13.3 2.09 .79 .94 1.00 43.5 12.7 2.44 .81 .96 1.00 41.5 12.2 2.84 .83 .98 1.00 39.5 11.6 3.31 .85 1.00 1.00
67�F1300 615 47.0 13.8 2.08 .60 .73 .86 45.0 13.2 2.43 .61 .75 .88 43.0 12.6 2.84 .62 .76 .91 40.5 11.9 3.31 .63 .78 .93
67�F(19�C)
1400 660 47.5 13.9 2.08 .61 .75 .89 45.5 13.3 2.43 .62 .76 .91 43.5 12.7 2.83 .63 .78 .93 41.0 12.0 3.30 .64 .80 .96(19�C)
1500 710 48.5 14.2 2.07 .62 .77 .91 46.5 13.6 2.43 .63 .78 .93 44.0 12.9 2.83 .64 .80 .95 41.5 12.2 3.28 .65 .82 .98
71�F1300 615 49.5 14.5 2.07 .45 .58 .71 47.5 13.9 2.42 .46 .59 .72 45.5 13.3 2.81 .46 .60 .74 43.0 12.6 3.26 .47 .62 .76
71�F(22�C)
1400 660 50.5 14.8 2.07 .46 .60 .73 48.5 14.2 2.41 .46 .60 .74 46.0 13.5 2.80 .47 .61 .76 43.5 12.7 3.26 .47 .63 .78(22�C)
1500 710 51.5 15.1 2.06 .46 .61 .74 49.0 14.4 2.40 .47 .61 .76 47.0 13.8 2.80 .47 .63 .78 44.5 13.0 3.25 .48 .64 .80
SECOND STAGE COOLING CAPACITY − XC21−060 with [CB30U−51]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1500 710 56.5 16.6 3.66 .73 .85 .97 53.5 15.7 4.11 .74 .87 .99 51.0 14.9 4.63 .75 .89 1.00 47.5 13.9 5.23 .77 .92 1.00
63�F(17�C)
1700 800 58.0 17.0 3.68 .75 .88 1.00 55.5 16.3 4.14 .76 .91 1.00 52.5 15.4 4.66 .78 .93 1.00 49.0 14.4 5.25 .80 .96 1.00(17�C)
1900 895 59.5 17.4 3.69 .77 .92 1.00 56.5 16.6 4.16 .78 .94 1.00 53.5 15.7 4.67 .81 .96 1.00 50.5 14.8 5.25 .83 .99 1.00
67�F1500 710 60.0 17.6 3.70 .58 .70 .82 57.0 16.7 4.16 .59 .71 .84 54.0 15.8 4.68 .60 .73 .86 50.5 14.8 5.27 .61 .75 .89
67�F(19�C)
1700 800 61.5 18.0 3.72 .59 .72 .85 59.0 17.3 4.18 .60 .74 .87 55.5 16.3 4.69 .61 .76 .90 52.0 15.2 5.27 .63 .78 .93(19�C)
1900 895 63.0 18.5 3.74 .61 .75 .88 60.0 17.6 4.19 .62 .76 .90 57.0 16.7 4.71 .63 .78 .93 53.0 15.5 5.29 .64 .81 .96
71�F1500 710 63.5 18.6 3.74 .45 .57 .68 60.5 17.7 4.20 .45 .57 .70 57.5 16.9 4.73 .45 .58 .71 54.0 15.8 5.30 .46 .60 .72
71�F(22�C)
1700 800 65.0 19.0 3.76 .45 .58 .70 62.0 18.2 4.22 .46 .59 .71 59.0 17.3 4.74 .46 .60 .73 55.0 16.1 5.32 .47 .61 .75(22�C)
1900 895 67.0 19.6 3.78 .46 .59 .72 63.5 18.6 4.23 .46 .61 .74 60.0 17.6 4.75 .47 .62 .76 56.5 16.6 5.34 .48 .63 .78
NOTES: For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.Expanded rating tables are sorted by smallest to largest indoor unit model no.The following units have the same ratings and are listed together: [CBX32M/CB31M/CB30U] [CBX32MV/CB31MV] air handlers.
RATINGS 5 TON
AIR HANDLERS
XC21 − 2 to 5 Ton Air Conditioner / Page 127
FIRST STAGE COOLING CAPACITY − XC21−060 with [CB30U−65]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
75�F (24�C) 85�F (29�C) 95�F (35�C) 105�F (41�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1300 615 45.0 13.2 2.09 .76 .90 1.00 43.5 12.7 2.44 .78 .92 1.00 41.0 12.0 2.85 .79 .94 1.00 39.0 11.4 3.32 .81 .97 1.00
63�F(17�C)
1400 660 46.0 13.5 2.08 .78 .92 1.00 44.0 12.9 2.44 .79 .94 1.00 42.0 12.3 2.84 .81 .97 1.00 39.5 11.6 3.31 .83 .99 1.00(17�C)
1500 710 46.5 13.6 2.09 .79 .94 1.00 44.5 13.0 2.44 .81 .97 1.00 42.5 12.5 2.83 .83 .99 1.00 40.5 11.9 3.30 .85 1.00 1.00
67�F1300 615 48.0 14.1 2.08 .60 .74 .87 46.0 13.5 2.42 .61 .75 .89 44.0 12.9 2.82 .62 .77 .91 41.5 12.2 3.28 .63 .79 .93
67�F(19�C)
1400 660 49.0 14.4 2.07 .61 .75 .89 46.5 13.6 2.42 .62 .77 .91 44.5 13.0 2.82 .63 .78 .93 42.0 12.3 3.27 .64 .81 .96(19�C)
1500 710 49.5 14.5 2.07 .62 .77 .91 47.5 13.9 2.42 .63 .78 .93 45.0 13.2 2.81 .64 .80 .96 42.5 12.5 3.26 .65 .82 .98
71�F1300 615 50.5 14.8 2.07 .45 .58 .71 48.5 14.2 2.41 .46 .59 .72 46.5 13.6 2.80 .46 .60 .74 44.0 12.9 3.26 .47 .62 .76
71�F(22�C)
1400 660 51.5 15.1 2.07 .46 .60 .73 49.5 14.5 2.41 .46 .61 .74 47.0 13.8 2.80 .47 .62 .76 44.5 13.0 3.25 .47 .63 .78(22�C)
1500 710 52.5 15.4 2.06 .46 .61 .74 50.0 14.7 2.41 .47 .62 .76 47.5 13.9 2.79 .47 .63 .78 45.0 13.2 3.24 .48 .64 .80
SECOND STAGE COOLING CAPACITY − XC21−060 with [CB30U−65]Outdoor Air Temperature Entering Outdoor Coil
EnteringTotalAi
85�F (29�C) 95�F (35�C) 105�F (41�C) 115�F (46�C)EnteringWet BulbT
TotalAir
Volume TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
TotalCooling Comp
Sensible To TotalRatio (S/T)
Wet BulbTempera-
ture
VolumeCoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulb
CoolingCapacity
CompMotor
kW
Ratio (S/T)Dry Bulbture
cfm L/s kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
kBtuh kW
kWInput 75�F
24�C80�F27�C
85�F29�C
63�F1700 800 59.5 17.4 3.69 .75 .88 .99 57.0 16.7 4.16 .76 .90 1.00 54.0 15.8 4.68 .78 .93 1.00 50.5 14.8 5.26 .80 .96 1.00
63�F(17�C)
1900 895 61.0 17.9 3.72 .77 .91 1.00 58.5 17.1 4.18 .78 .93 1.00 55.0 16.1 4.69 .80 .96 1.00 51.5 15.1 5.26 .83 .98 1.00(17�C)
2100 990 62.5 18.3 3.72 .79 .94 1.00 59.5 17.4 4.19 .81 .96 1.00 56.0 16.4 4.71 .83 .98 1.00 53.0 15.5 5.28 .85 1.00 1.00
67�F1700 800 63.0 18.5 3.74 .59 .72 .85 60.0 17.6 4.20 .60 .74 .87 57.0 16.7 4.71 .61 .75 .89 53.5 15.7 5.29 .63 .78 .92
67�F(19�C)
1900 895 64.5 18.9 3.75 .61 .74 .88 61.5 18.0 4.21 .61 .76 .90 58.0 17.0 4.74 .63 .78 .92 54.5 16.0 5.31 .64 .80 .95(19�C)
2100 990 66.0 19.3 3.77 .62 .77 .91 62.5 18.3 4.22 .63 .78 .93 59.5 17.4 4.75 .64 .80 .96 55.5 16.3 5.33 .66 .83 .98
71�F1700 800 67.0 19.6 3.77 .46 .58 .70 63.5 18.6 4.24 .46 .59 .71 60.0 17.6 4.75 .46 .60 .73 56.5 16.6 5.34 .47 .61 .75
71�F(22�C)
1900 895 68.0 19.9 3.79 .46 .59 .72 65.0 19.0 4.26 .46 .60 .74 61.5 18.0 4.77 .47 .61 .75 57.5 16.9 5.36 .48 .63 .78(22�C)
2100 990 69.0 20.2 3.80 .47 .60 .74 66.0 19.3 4.27 .47 .62 .76 62.5 18.3 4.80 .48 .63 .78 58.5 17.1 5.36 .48 .64 .81
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NOTE − Due to Lennox’ ongoing committment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.Installation and service must be performed by a qualified installer and servicing agency. ©2005 Lennox Industries Inc.