As an Energy StarPartner, International Comfort Products has determined that this product meets the ENERGY STARguidelines for energy efficiency. Use of the AHRI Certified TM Mark in- dicates a manufacturer’s participation in the program. For verification of certi- fication for individual products, go to www.ahridirectory.org . 426 51 1707 00 11/6/2014 Specifications subject to change without notice. UP to 14.5 SEER, PACKAGE AIR CONDITIONER UNIT, 2 to 5 TONS 208/230 Volt, 1−phase, 60 Hz REFRIGERATION CIRCUIT Environmentally sound R-410A refrigerant Liquid refrigerant filter driers Copper tube/aluminum fin condenser and evaporator coils EASY TO INSTALL AND SERVICE Light weight, compact construction ideal for manufactured housing and residential applications Hand holds built into the unit base pan Compact, fully self-contained, electric cooling unit with horizontal supply and return ducts Easy panel accessibility for maintenance and installation Accessory electric heaters with single point connections Designed to be serviced from both the side and front BUILT TO LAST Vibration isolation provides quiet operation. Compressors have internal over current protection Direct-drive multi-speed, blower motor standard on all models No-rust base pan with integrated drain pan standard on all units Durable pre-painted steel cabinet Louvered coil enclosure for protection against vandalism and hail damage Aerodynamic fan blade design reduces the overall sound All models available with optional factory installed tin-coated copper evaporator coil. (These models are identified with letters TP in the 11th and 12th positions in the model numbers) WARRANTY* 5 year parts limited warranty (including compressor and coils) - With timely registration, an additional 5 year parts limited warranty (including compressor and coils) * For owner occupied, residential applications only. See warranty certificate for complete details and restrictions, including warranty coverage for other applications. UNIT PERFORMANCE DATA Model Number Nominal Tons COOLING Unit Dimensions Height x Width x Depth inches (mm) Operating Weight lbs (kg) Net Capacity BTU/h @ 95°F(35°C) SEER EER PAJ424000K000A 2 22,400 14 11.5 30-1/8 x 51 x 32 (765 x 1295 x 813) 230 (104) PAJ424000KTP0A PAJ430000K000A 2.5 28,600 14 11.5 249 (113) PAJ430000KTP0A PAJ436000K000A 3 35,000 14 11.5 272 (123) PAJ436000KTP0A PAJ442000K000A 3.5 41,000 14.5 11.5 34-1/8 x 51 x 32 (867 x 1295 x 813) 275 (125) PAJ442000KTP0A PAJ448000K000A 4 47,000 14 11.5 42-1/8 x 51 x 32 (1070 x 1295 x 813) 318 (144) PAJ448000KTP0A PAJ460000K000A 5 54,000 14 11.3 344 (156) PAJ460000KTP0A ® PAJ4 Product Specifications E N V I R O N M E N T A L L Y S O U N D R E F R I G E R A N T
Transcript
As an Energy Star Partner,International Comfort Products hasdetermined that this product meetsthe ENERGY STAR guidelines forenergy efficiency.
Use of the AHRI Certified TM Mark in-dicates a manufacturer’s participationin the program. For verification of certi-fication for individual products, go towww.ahridirectory.org .
426 51 1707 00 11/6/2014Specifications subject to change without notice.
UP to 14.5 SEER, PACKAGE AIR CONDITIONER UNIT, 2 to 5 TONS208/230 Volt, 1−phase, 60 HzREFRIGERATION CIRCUIT
Environmentally sound R-410A refrigerant Liquid refrigerant filter driers Copper tube/aluminum fin condenser and evaporator coils
EASY TO INSTALL AND SERVICE Light weight, compact construction ideal for manufactured housing and residential applications Hand holds built into the unit base pan Compact, fully self-contained, electric cooling unit with horizontal supply and return ducts Easy panel accessibility for maintenance and installation Accessory electric heaters with single point connections Designed to be serviced from both the side and front
BUILT TO LAST Vibration isolation provides quiet operation. Compressors have internal over current protection Direct-drive multi-speed, blower motor standard on all models No-rust base pan with integrated drain pan standard on all units Durable pre-painted steel cabinet Louvered coil enclosure for protection against vandalism and hail damage Aerodynamic fan blade design reduces the overall sound All models available with optional factory installed tin-coated copper evaporator coil.
(These models are identified with letters TP in the 11th and 12th positions in the model numbers)WARRANTY*
5 year parts limited warranty (including compressor and coils)- With timely registration, an additional 5 year parts limited warranty (including compressor and coils)
* For owner occupied, residential applications only. See warranty certificate for complete details and restrictions, including warranty coverage for other applications.
LEGENDdB---Sound Levels (decibels)db—Dry BulbSEER—Seasonal Energy Efficiency Ratiowb—Wet BulbCOP---Coefficient of Performance* Air Conditioning Heating & Refrigeration Institute† At "A" conditions--80°F (26.7°C) indoor db/67°F (19.4°C) indoor wb & 95°F (35°C) outdoor db.** Rated in accordance with U.S. Government DOE Department of Energy) test procedures and/or AHRI Standards 210/240---08, 270-1995.Notes:1. Ratings are net values, reflecting the effects of circulating fan heat.Ratings are based on:Cooling Standard: 80°F (26.7°C) db, 67°F wb (19.4°C) indoor entering---airtemperature and 95°F db (35°C) outdoor entering---air temperature.2. Before purchasing this appliance, read important energy cost and efficiency information available from your retailer.
A−Weighted Sound Power Level (dBA)
UNIT SIZESTANDARD RATING
(dBA)
TYPICAL OCTAVE BAND SPECTRUM(dBA without tone adjustment)
* Required filter sizes shown are based on the AHRI (Air Conditioning, Heating and Refrigeration Institute) rated airflow at a velocity of 300 ft/min for throwaway type or 450 ft/min for high capacity type. Recommended filters are 1−in. (25.4 mm) thick.
PRODUCT SPECIFICATIONS Small Package Air Conditioner: PAJ4
4 426 51 1707 00Specifications subject to change without notice.
OPTIONS AND ACCESSORIES
PART NUMBER ITEM DESCRIPTION
FIELDINSTALLED
ACCESSORY
CPHSTART002A00 Compressor Start KitCompressor Start Kit assists compressor start-up by providing additionalstarting torque on sing phase units only.
All
CPCRKHTR008A00Crankcase Heater
Crankcase Heater provides anti-floodback protection for low-load coolingapplications (240V)
24 - 36
NPCRKHTR004A00 42 - 60
CPLOWAMB001A00 Low Ambient KitLow Ambient Kit (Motormaster II Control) allows the use of mechanical coolingdown to outdoor temperatures as low as 0°F (-18°C) when properly installed.
All
NRTIMEGD001A00 Time Guard II
Automatically prevents the compressor from restarting for at least 4 minutesand 45 seconds after shutdown of the compressor. Not required when acorporate programmable thermostat is applied.
All
Accessory Electric Heaters
CATALOGORDERING NO.
NOMINALCAPACITY
(kW)
USED WITH SIZES
CIRCUITBREAKER(Yes/No)
STAGES 024 030 036 042 048 060
ELECTRIC HEATERS (208/230-SINGLE PHASE-60Hz)
CPHEATER125A0* 3.8 / 5.0 No 1
CPHEATER126A0* 3.8 / 5.0 Yes 1
CPHEATER127A0* 5.6 / 7.5 No 2
CPHEATER128A0* 5.6 / 7.5 Yes 2
CPHEATER129A0* 7.5 / 10.0 No 2
CPHEATER130A0* 7.5 / 10.0 Yes 2
CPHEATER131A0* 11.3 / 15.0 Yes 2
CPHEATER132A0* 15.0 / 20.0 Yes 2
=Approved combination
Multiplication FactorsHEATER kW RATING VOLTAGE DISTRIBUTION MULTIPLICATION FACTOR
240
200 .69
208 .75
230 .92
240 1.00
Example: 15.0 kW (at 240v) heater on 208v = 15.0 (.75 mult factor) = 11.25 capacity at 208v
PRODUCT SPECIFICATIONS Small Package Air Conditioner: PAJ4
426 51 1707 00 5Specifications subject to change without notice.
DIMENSIONAL DRAWINGS — 24−36
A14411
PRODUCT SPECIFICATIONS Small Package Air Conditioner: PAJ4
6 426 51 1707 00Specifications subject to change without notice.
DIMENSIONAL DRAWINGS — 42−60
A14412
PRODUCT SPECIFICATIONS Small Package Air Conditioner: PAJ4
426 51 1707 00 7Specifications subject to change without notice.
SELECTION PROCEDURE
A. DETERMINE COOLING AND HEATING REQUIREMENTS AT DESIGN CONDITIONS.Given:Required Cooling Capacity (TC) 34,000 Btuh. . . . . . .Sensible Heat Capacity (SHC) 25,000 Btuh. . . . . . . .Required Heating Capacity 15,000 Btuh. . . . . . . . . . .Outdoor Entering−Air Temperature 95° F (35° C). . . . .Indoor Entering−Air Temperature 80° F edb (26.7° C);
B. SELECT UNIT BASED ON REQUIRED COOLING CAPACITY (3−TON EXAMPLE)Enter Cooling Capacities table at condenser entering temperature of 95° F (35° C), indoor air entering at 1200 CFM and 67° F (19.4° C)ewb. The 36 unit provides a total cooling capacity of 34,500 Btuh and a sensible heat capacity of 26,040 Btuh.For indoor−air temperature other than 80° F (26.7° C) edb, calculate sensible heat capacity correction, as required, using the formulafound following the Cooling Capacities tables.NOTE: Unit ratings are net capacities.
C. SELECT ELECTRIC HEAT.The required heating capacity is 15,000 Btuh (given).Determine the electric heat capacity in kW.
15,000 Btuh
3414 Btuh/kW = 3.8 kW of heat required
Enter the Accessory Electric Heater table on page 4 for 208/230, single−phase, 36 unit. The 5−kW heater at 240v most closelysatisfies the heating required. To calculate kW at 230 V, multiply the heater kW by multiplication factor 0.92 found in the MultiplicationFactors table on page 4.5 kW x 0.92 = 4.6 kW4.6 kW x 3414 Btuh/kW = 15,704 Btuh
D. DETERMINE FAN SPEED AND POWER REQUIREMENTS AT DESIGN CONDITIONS.Before entering the air delivery tables, calculate the total static pressure required. From the given, Filter Pressure Drop table, and theAccessory Electric Heat Pressure Drop table find:External static pressure 0.20 IN. W.C.Filter 0.10 IN. W.C.Electric Heat 0.04 IN. W.C.Total static pressure 0.34 IN. W.C.
Enter the table for Dry Coil Air Delivery — Horizontal Discharge. At 0.4 IN. W.C. external static pressure and medium speed, the motordelivers 1236 CFM.
PRODUCT SPECIFICATIONS Small Package Air Conditioner: PAJ4
426 51 1707 00 11Specifications subject to change without notice.
* At 75° F entering dry bulb - Tennessee Valley Authority (TVA) rating conditions; all others at 80° F dry bulb.LEGENDBF — Bypass FactorEwb — Entering Wet-BulbkW — Total Unit Power InputSHC — Sensible Heat Capacity (1000 Btuh)TC — Total Capacity (1000 Btuh) (net)NOTES:1. Direct interpolation is permissible. Do not extrapolate.2. The following formulas may be used:
Sensible capacity (Btuh)
1.10 x cfm
tldb = tedb −
Wet−bulb temperature corresponding to enthalpy
air leaving evaporator coil (hlwb)tlwb =
total capacity (Btuh)
4.5 x cfmhlwb = hewb −
Where: hewb = Enthalpy of air entering evaporator coil3. The SHC is based on80 F (26.7C) edb temperature of air entering indoor coil. Below 80 F (26.7C) edb, subtract (corr factor x cfm) from SHC. Above 80 F (26.7C) edb, add (corr factor x cfm) to SHC. Correction Factor = 1.10 x (1 - BF) x (edb - 80).
*Air delivery values are based on operating voltage of 230v, wet coil, without filter or electric heater. Deduct filter and electric heater pressure drops to obtain staticpressure available for ducting.NOTES:1. Do not operate the unit at a cooling airflow that is less than 350 cfm for each 12,000 Btuh of rated cooling capacity. Evaporator coil frosting may occur at airflowsbelow this point.2. Standard Cubic Feet per Minute.
PRODUCT SPECIFICATIONS Small Package Air Conditioner: PAJ4
12 426 51 1707 00Specifications subject to change without notice.
NOTES:1. In compliance with NEC (National Electrical Code) requirements for multimotor and combination load equipment (refer to NEC Articles 430 and 440), the overcurrentprotective device for the unit shall be Power Supply fuse or circuit breaker. 2. Minimum wire size is based on 60�C copper wire. If other than 60�C wire is used, or if length exceeds wire length in table, determine size from NEC.
*Heater capacity (kW) based on heater voltage of 208v & 240v. If power distribution voltage to unit varies from rated heater voltage, heater kW will vary accordingly.
OPERATING SEQUENCECooling OperationWith a call for cooling (Y/G), the contactor is energized whichbrings on the compressor and outdoor fan. The indoor fan is alsoenergized. When the cooling demand is met, Y and G arede−energized shutting off the contactor. The indoor fan stopsafter a 60 second delay.
Heating OperationWith a call for heating (W2), the auxiliary or electric heatenergizes along with the indoor blower. In case of stagedheating, W3 is energized if the demand is not met. The highestairflow selected is run while the electric heat is in operation.When heating demand is met, W3 and W2 sequentiallyde−energize shutting off the indoor fan and the electric heater.
Continuous FanWith the continuous indoor fan option selected on thethermostat, G is continuously energized keeping the indoor fanrunning at all times.
APPLICATION DATACondensate trap — A 2−in. (51 mm) condensate trap must befield supplied.
1” (25 mm) MIN.
2” (51 mm) MIN.
TRAPOUTLET
A08001
Maximum cooling airflow — To minimize the possibility ofcondensate blow−off from the evaporator, airflow through theunits should not exceed 450 CFM/ton.Minimum cooling airflow — The minimum cooling airflow is350 cfm/ton.Minimum cooling operating outdoor air temperature — Allstandard units have a minimum ambient operating temperatureof 40F (4.4C). With accessory low ambient temperature kit,units can operate at temperatures down to 0F (−17.8C).Maximum operating outdoor air temperature — Maximumoutdoor operating air temperature for cooling is 125F (51.7C).
PRODUCT SPECIFICATIONS Small Package Air Conditioner: PAJ4
16 426 51 1707 00Specifications subject to change without notice.
TYPICAL INSTALLATION
TOP COVER
INDOORTHERMOSTAT
DISCONNECTPER NEC(UNIT ANDELECTRICHEATER)
FROMPOWERSOURCE
RETURNAIR
POWERENTRY
COMPOSITERUST-PROOFBASEPAN
CONDENSATEDRAINCONNECTION
Power Wiring
Control Wiring
Condenser Airflow
Evaporator Airflow
LOW VOLTAGEENTRY
A10135
ENGINEERS’ SPECIFICATION GUIDEGENERALFurnish and install outdoor package, electrically controlled, airconditioner utilizing a reciprocating or scroll compressor for coolingduty. Unit shall discharge supply air horizontally as shown oncontract drawings.Nominal unit electrical characteristics shall be ______ v, ______ ph,60 Hz. The unit shall be capable of satisfactory operation withinvoltage limits of ______ v to ______ v. Unit power wiring shall enterunit cabinet at a single location.Separate power supply shall not be required for electric heat.COOLING CAPACITYTotal cooling capacity of the unit shall be _____ Btuh or greater, andsensible capacity shall be ______ Btuh or greater at conditions of______ cfm indoor air entering unit at ______F dry bulb, _____ F wetbulb and outdoor entering air of ______F dry bulb. Total designconditions shall be a minimum of ______ Btuh/Watt. The unit shall becapable of cooling operation down to 40�F (4.4�C) as shipped fromthe factory.CABINETUnit cabinet shall be constructed of phosphated, bonderized,zinc−coated, prepainted steel. Basepan shall be made of asingle−piece non−corrosive, composite material.Evaporator−fan compartment interior cabinet surfaces shall beinsulated with a minimum 1/2−in. (12.7 mm) thick, flexible fiberglassinsulation, coated on the air side with aluminum foil.Cabinet panels shall be easily removable for servicing.Outdoor coil shall be protected by metal louvered panels.COMPRESSORCompressor shall be fully hermetic type with external vibrationisolation.CONDENSER SECTIONCondenser fan shall be of the direct−driven propeller type blades,riveted to corrosion−resistant spiders, and shall be dynamicallybalanced and discharge air vertically upwards.Condenser coils shall have aluminum−plate fins mechanically bondedto copper tubes with all joints brazed.
Tube sheet openings shall be belled to prevent tube wear.EVAPORATOR SECTIONFan shall be multi−speed with direct drive motor as shown on theequipment drawings.Fan wheel shall be made from steel, be double−inlet type withforward−curved blades with a corrosion−resistant finish anddynamically balanced.Evaporator coils shall have aluminum−plate fins mechanicallybonded to copper tubes with all joints brazed.Tube sheet openings shall be belled to prevent tube wear.MOTORSCompressor motors shall be of the refrigerant cooled type with linebreak thermal and current overload protection.All fan motors shall have permanently lubricated bearings, andinherent automatic reset thermal overload protection.Condenser fan motor shall be totally enclosed.REFRIGERANT SYSTEMRefrigerant system shall include fixed orifice or TXV meteringsystem.CONTROLSUnit shall be complete with self−contained low voltage control circuit.APPROVALSUnit shall be UL listed as a total package for safety requirements. Allwiring shall be in accordance with NEC.Unit shall be rated in accordance with AHRI Standards 210/240.Cabinet insulation shall conform to ASHRAE Standard 62.2Insulation and adhesive shall meet NFPA 90A requirements for flamespread and smoke generation.Unit shall have a sloped drain pan that conforms to ASHRAEStandard 62.2.ACCESSORIESField−installed accessories shall include solid−state compressorshort−cycle device, outdoor thermostat, room thermostats, electricheaters with single−point connection, crankcase heater, andlow−ambient kit.
Copyright 2014 International Comfort ProductsLewisburg, Tennessee 37091 USA
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