Ultra DuctYUHA 18 to 48 FSAAAF
SERVICE MANUAL
YUHA 18 FS · YUHA 24 FSYUHA 36 FS · YUHA 48 FS
SM-YUHA-18-48FS-GB 08-08
How to read the model?
Y U H A 24 F S A A A F
Range:F = Floor standingH = High wallM = Master rangeP = PortableY = YORKR = Everest front
Refrigerant type:A = R22B = R407CC = R410A
Capacity Btu/h
Generation:A = FirstR = New remoteF = Second generation
Voltages:A = (Out) 220-240/1/50 - (In) 220-240/1/50C = (Out) 380/3/50 - (In) 220-240/1/50
Indoor options:A = StandardJ = Bio Screen filter** Omit for outdoor units
Outdoor options:A = StandardB = Low Ambient KitC = Power outdoor* Omit for indoor units
Indoors:A = Free matching multiS = SingleT = Duct High StaticU = Duct standard case
Compressor type:A = AC InverterD = DC InverterF = FixedM = Multi
* * *
Family:A = Efficiency UltraE = Eco UltraH = AlpsJ = AtlasK = CassetteL = UltraM = Multi UltraR = Multi InverterV = Inverter UltraU = Ducted unitO = Floor / Ceiling
Type:C = Set - Cooling onlyD = Outdoor - Cooling onlyE = Indoor - Cooling onlyH = Set - Heat pumpJ = Outdoor Heat pumpK = Indoor Heat pumpM = Multi UltraR = Multi InverterV = Inverter UltraU = Ducted unitO = Floor / Ceiling
Ultra Duct
1. Features2. Specification3. Dimensions4. Piping Diagrams5. Wiring Diagrams6. Capacity Tables7. Fan performance8. Air Velocity and Temperature Distributions (Reference Data)9. Electric Characteristics10. Sound Levels
1. Features
(1) Normal body
) . Economic and convenient installation
---Several diffusers branch off from an indoor unit, adjusting the room temperature, which makes
many rooms to be air-conditioned with only one indoor unit.
--- All models feature thin design making them applicable to ceiling pocket that tends to be shallow
---Thinner body than the former, 298mm height is easier for installation and saving space.
* . A wild variety of optional accessories
---Including front clapboard, panel, canvas air passage, filter, etc.
Canvas air passage Clapboard
Panel
+ . A long-life and high-efficiency filter
, . Way of air intake and inserting air filter
---Air intake can be positioned either at the back or below the unit. Similarly, the air filter also can be
inserted either from the back or from the bottom of the unit.
2. Specification
Model YUHA 18 FS YUHA 24 FS
Power supply Ph-V-Hz 1,220-240V,50Hz 1,220-240V,50Hz
Capacity Btu/h 18,000 24,000
Capacity kW 5.4 7.1
Input W 1900 2510
Rated current A 8.8 12.2
Cooling
EER Btu/w.h 9.7 9.7
Capacity Btu/h 20,500 27,300
Capacity kW 6 8
Input W 1900 2500
Rated current A 8.8 11.0
Heating
COP Btu/w.h 10.8 10.9
Moisture Removal l/h 1.8 2.4
Max. input consumption W 2300 3300
Max. input current A 11.7 15.3
Starting current A 36.8 61
Model PH330X2CS-8 THU33WC6-U
Type ROTARY ROTARY
Brand MIDEA-TOSHIBA Hitachi
Supplier MIDEA-TOSHIBA Hitachi(shanghai)
Capacity Btu/h 18834 28490
Input W 1870 2650
Rated current (RLA) A 8.75 12.6
Locked rotor Amp (LRA) A 36.8 62
Thermal protector INNER INNER
Capacitor uF 50/370 F/V 60 F/400V(220V)
Compressor
Refrigerant oil ml ESTER OIL VG74 750 SUNISO-4GSI 1050
Model YSK55-4D YSK74 -4C
Input W 117/110/101 170/150133
Capacitor uF 3.0uF/450V 6.5uF/450VIndoor fan motor
Speed (hi/mid/lo) r/min 900 /800 /690 1100/1020/900
Number of rows 2 3
Tube pitch(a)x row pitch(b) mm 25.4×22 25.4×22
Fin spacing mm 1.7 1.7
Fin type Hydrophilic aluminium Hydrophilic aluminium
Tube outer dia. and type mm Ø9.53, innergroove tube Ø9.53,innergroove tube
Coil length x height x width mm 800×254×44 800×254×66
Indoor coil
Number of circuits 3 3
Indoor air flow (H/M/L) m3/h 1250/1160/1000 1460/1360/1150
Indoor external static pressure (Hi) Pa 40 40
Indoor noise level (Hi/Mid/Lo) dB(A) 45/41/38 49/45/42
Dimension (W*H*D) mm 1000×298×800 1000×298×800
Packing (W*H*D) mm 1205×370×940 1205×370×940Indoor unit
Net/Gross weight kg 36/43 38/45
Model YSK55-4L YSK55-4L
Input W 110/104/98 110/104/98
Capacitor uF 2.5uF/450V 2.5uF/450V
Outdoor fan
motor
Speed r/min 1280/1190/1000 1280/1190/1000
Number of rows 3 3
Tube pitch(a)x row pitch(b) mm 25.4×22 25.4×22
Fin spacing mm 1.7 1.7
Fin type Hydrophilic aluminium Hydrophilic aluminium
Tube outer dia.and type mm Ø
Ø
Ø
Ø
Ø
9.53,innergroove tube Ø9.53,innergroove tube
Coil length x height x width mm 775×660×44 770×810×44
Outdoor coil
Number of circuits 3 2
Outdoor air flow m3/h 2400 3000
Outdoor noise level dB(A) 48 52
Dimension (W*H*D) mm 845×695×335 895×860×330
Packing (W*H*D) mm 970X770X395 1043X915X395
Outdoor unit Net/ Gross weight kg 53/57 64/66
Refrigerant type/Quantity g R22/1850 R22/2600
Design pressure (high side/low side) MPa 2.8/1.2 2.8/1.2
Liquid side mm(inch) 6.35 (1/4) 9.53 (3/8)
Gas side mm(inch) 12.7 (1/2) 16 (5/8)
Max. pipe length m 20 20Refrigerant
piping Max. difference in level m 10 10
Operation temp ºC 17~30 17~30
Ambient temp ºC -7~45 -7~45
Application area m2 34~49 40~56
Qty’per 20’ /40’ /40'HQ set 38/78/90 34/68/80
Notes:1. Nominal cooling capacities are based on the following conditions:
Indoor temp: 27°CDB, 19°CWB; Outdoor temp: 35°CDB; Equivalent ref. piping: 7.5m (horizontal)
2. Nominal heating capacities are based on the following conditions:
Indoor temp: 20°CDB; Outdoor temp: 7°CDB, 6°CWB; Equivalent ref. Piping: 7.5m(horizontal)
3. Actual noise level may differ, depending on the room structure, etc, since these noise values are from
an anechoic room.
YUHA 36 FS YUHA 36 FS YUHA 48 FSModel
Power supply Ph-V-Hz 1,220-240V,51Hz 3,380V,50Hz 3,380V,50Hz
Capacity Btu/h 36,000 36,000 48,000
Capacity kW 10.5 10.5 14
Input W 3700 3700 4700
Rated current A 21 6.5 8.2
Cooling EER Btu/w.h 9.7 9.7 10.2
Capacity Btu/h 39,000 39,000 52,000
Capacity kW 11.4 11.4 15.2
Input W 3350 3350 4900
Rated current A 20.5 5.8 8.6
Heating COP Btu/w.h 11.6 11.6 10.6
Moisture Removal l/h 3.6 3.6 4.6
Max. input consumption W 4620 4620 5870
Max. input current A 29 8.5 10.7
Starting current A 75 45 66
Model ZR47K3-PFJ-522 C-SB303H8A VR61KF-TFP-542
Type SCROLL SCROLL SCROLL
Brand Copeland Sanyo Copeland
Supplier Copeland(Suzhou) Sanyo(dalian) Copeland(Suzhou)
Capacity Btu/h 40262 40262 51000
Input W 3650 3650 4636
Rated current (RLA) A 6.5 6.5 9.4
Locked rotor Amp (LRA) A 42 42 61
Thermal protector INNER INNER INNER
Capacitor uF / / /
Compressor Refrigerant oil ml SONTEX200LT 1242 3GS 1360 3GS 1360
Model YSK59-4A YSK59-4A YSK59-4A
Input W 118/108/101 118/108/101 118/108/101
Capacitor uF 2.5uF/450V 2.5uF/450V 2.5uF/450VIndoor fan
motor Speed (hi/mid/lo) r/min 820/680/620 820/680/620 820/680/620
Number of rows 3 3 3
Tube pitch(a)x row pitch(b) mm 25.4×22 25.4×22 25.4×22
Fin spacing mm 1.7 1.7 1.7
Fin type Hydrophilic aluminium Hydrophilic aluminium Hydrophilic aluminium
Tube outer dia. and type mm
Ф9.53 innergroove
tube
Ф9.53 innergroove
tube
Ф9.53 innergroove
tube
Coil length x height x
width mm 1150×254×44 1150×254×44 1150×254×44
Indoor coil Number of circuits 4 4 4
Indoor air flow (Hi/Mid/Lo) m3/h 2070/1950/1860 2070/1950/1860 2400/2300/2200
Indoor external static pressure (Hi) Pa 70 70 70
Indoor noise level (Hi/Mid/Lo) dB(A) 49/47/44 49/47/44 51/47/44
Dimension (W*H*D) mm 1350×298×800 1350×298×800 1350×298×800
Packing (W*H*D) mm 1555×370×940 1555×370×940 1555×370×940
Indoor unit Net/Gross weight kg 48/57 48/57 50/59
Model YDK250-6D YDK250-6D YDK250-6D
Input W 296 296 296
Capacitor uF 10 uF/450V 10 uF/450V 10 uF/450VOutdoor fan
motor Speed r/min 750 750 750
Number of rows 2 2 2
Tube pitch(a)x row
pitch(b) mm 25.4×22 25.4X22 25.4X22
Fin spacing mm 1.7 1.3 1.3
Fin type Unhydrophilic aluminium Unhydrophilic aluminium Unhydrophilic aluminium
Tube outer dia.and type mm
9Ø .53, inner groove
tube
9.53, innergroove
tube
9.53, innergroove
tube
Coil lengthxheight x width mm 988X914X44 988X914X44 988X914X44
Outdoor coil Number of circuits 4 4 4
Outdoor air flow m3/h 5000 5000 5000
Outdoor noise level dB(A) 57 55 55
Dimension (W*H*D) mm 990X960X360 990X960X360 990X960X360
Packing (W*H*D) mm 1120X1090X435 1120X1090X435 1120X1090X435Outdoor
unit Net/ Gross weight kg 100/106 100/106 100/106
Refrigerant type/Quantity g R22/3100 R22/3100 R22/3100
Design pressure (high side/low side) MPa 2.8/1.2 2.8/1.2 2.8/1.2
Liquid side mm(inch) 12.7 (1/2) 12.7 (1/2) 12.7 (1/3)
Gas side mm(inch) 19 (3/4) 19 (3/4) 19 (3/4)
Max. pipe length m 25 25 25Refrigerant
piping Max. difference in level m
ºC
ºC
10 10 10
Operation temp 17~30 17~30 17~30
Ambient temp -7~45 -7~45 -7~45
Application area m2 60~85 60~85 80~105
Qty’per 20’ /40’ /40'HQ set 24/50/56 24/50/56 24/50/56
Notes:1. Nominal cooling capacities are based on the following conditions:
Indoor temp: 27°CDB, 19°CWB; Outdoor temp: 35°CDB; Equivalent ref. piping: 7.5m (horizontal)
2. Nominal heating capacities are based on the following conditions:
Indoor temp: 20°CDB; Outdoor temp: 7°CDB, 6°CWB; Equivalent ref. piping: 7.5m (horizontal)
3. Actual noise level may differ, depending on the room structure, etc, since these noise values are from
an anechoic room.
Ø Ø
3. Dimensions
YUHA 18 FS · YUHA 24 FS
YUHA 36 FS · YUHA 48 FS
C
8060
70
400-
640
5
Air outlet
Main body : A
Ceiling hole: DPanel: E
Distance between bolts: BHanging Screw bolt
4-M10 (Site prepared)
In case of air return from back, please refer to the above on the right.
Model A B C D E F G H I J K L M m n
1000 1052 1112 1085 1470 19 9.53 252 968 580 290 430 218,000 ~
24,0001000 1052 1112 1085 1470 19 9.53 968 430
1350 1400 1380 1400 1430 19 9.53 252 1318 930 310 430 3 436,000 ~
48,000 1350 1400 1380 1400 1430 19 9.53 1318 430
IA
Back panel layout
255
200
4. Piping Diagrams
Heat pump
T1
T2T3T4
Indoor unitsOutdoor unit
T5
stop valve
room temp. sensor
evaporator temp. sensor
4-way valve
compressor
low-pressure accumulator
condenser temp. sensor
ambient temp. sensor
High pressure switch
Discharge temp. sensor
Muffle
stop valve
Throttle capiliary
filter
Remark:
1. For YUJA 18FS, accumulator is not included.
2. For YUJA 36FS and YUJA 48FS, check valve and auxiliary capillary is not included.
5. Wiring Diagrams
YUHA 18 FSIndoor unit
RT2 RT 1
XT2
XS1 ~4
XP1 ~4
CN1 - CN24
RT2
RT1
T4
XT1
CAP 1
FAN 1
L 32( N)1NXT 1
KM1
KM1
4 5
XT2
FAN1
DISPLAYBOARD
CAP1
T4
7- WAY TERMI NAL
TRANSFORMER
ROOM TEMP. SENSOR
PI PE TEMP. SENSOR
CONNECTORS
CONNECTORS
P. C. BOARD SOCKETS
MAIN CONTROL BOARD
Y/G
CN15CN10
CN16CN 1CN2CN3CN 7CN 5
CN8
XP1XS1
RED
WIRING DI AGRA M
XS3
XP3
TO OUTDOOR U NITTO OUTDOOR UNIT
RED
Y/G
XS4
XP4
RL6
RE D
RELAY FORCOMPRESSOR
POWER
WH ITE
(WHI TE)
( RED)
BROWN
BROW N
BL AC K
BLUE
BLUE
BROW
N
GREE
N WHI T E
2- WAY TERMI NAL
RED BL AC K
T3 E
( NOTE:P LEASE USE SHIE LD L I NE)
CODE PART N AM E
I NDOOR F AN CAP.
I NDOOR F ANCN20
TO WI RE CONTROLLER2 2 08 60 9 488
CN20 NET C ONTROL INTERFA CE
CN20
N ET M O D U LE
TO CCM
Outdoor unit:
RED( C)
TO I NDOOR UNIT
4- WAY VAL VE
TO I NDOOR UNI T
X T1XT2T3 E
BROW
N
WHI TE
F ANMOTOR
TEMP. S ENSOROF CONDENSATOR
XS1
XP1
WHITE
1 3 4
BLUE
(S.V
)
BLUE
(N)
BL UE
FANCAP AC IT OR
BLACK
Y/G
COMPRES SO R
C
BLUE( R)
Y/GR
WHI TE( S)
S
COMPRESSORC APACI TOR
WI RI NG DI AGRAM( OUTDOOR UN IT )
GREE
N
N
YUHA 24 FSIndoor unit:
XT3
BLA
CK
WHIT
EWH
ITE(
T3)
BLA
CK(E
)
TO OUTDOOR
Outdoor unit
TO I NDOOR UN IT
TEMP. SENSORRT3
C2 FAN CAP
PART NAMECODE
WIRING DIAGRAM
XT3
KM8
COMP
CAP1
C
R S
RED
BLAC
K
XT7
XS1
RT3
XP1
COMP COMP
CAP1 COMPCAP
FAN2 OUTDOOR FANXT3 5-WAY TERMIN AL
XP1 CONNECTORS
XS1 CONNECTORS
MID- TERMIANLXT7KM8 CONTACTOR
Y/G
XT4 6-WAY TERMIN AL
L ( 1) N( 1)
C2
FAN2
M
RED
BLACK
BLACK
BLACK
BLACK
RED
RED
RED
REDRED
RED
Y/G
WHIT
E
BLU
E
1 2 3 4 5 6XT4
TO I NDOOR UNIT
XT 2T3 E
TO I NDOOR UNIT
OUTDOOR UNIT
XT2 3-WAY TERMIN AL
BLACK
2 20 753 90 15
YUHA 36 FS (1 phase)Indoor unit:
XS1- 2, XS6 -7XP1-2,XP6-7
CN1-16
RT2
RT1
T4
XT1
CAP1,2
FAN1,2
L N 1
XT1
32 FAN1
POWER
DISPLAY BOARD
CAP1
T4 7-WAY TERMINAL
POWER TRANSFORMER
ROOM TEMPERATURE
PIPE TEMPERATURE
CONNECTORS
CONNECTORS
P.C BOARD S OCKETS
MAI N CONTROL BOARD
Y/G
CN15CN10
CN9/CN16CN1CN2CN3CN5
CN8
Y/G
XP7
XS7
BLU ERED
RED
BLU
E
GREE
N
YELL
OW
TO OUTDOO R
WI RI NG DI AGRAM
(INDOOR UNIT)
BROW
N
XP6
CODE PART NAME
I NDOOR FAN MOTOR
I NDOOR FAN CAPACITOR
RT2RT1
CN 20
TO WI RE CONTROLLER
CN20 NET CONTROL INTER FACE
FAN2
CAP2
WHI TE WHITEWHI TE WHI TE
XP1XS1
SOME A/ C EX CLUDE THE MA TERI AL SI NDI CAT ED I N BROKEN LI NE T ABLE!PLE ASE R EFE R TO T HE A CT UAL P RODUCT.
Y/G
XT3
BLAC
KRE
DWH
ITE(
T3)
BLAC
K(E)
TO OUTDOOR
CN7
XP2XS2
Y/G
22 0860 9 48 9
CN20
NET MODULETO CCM
Outdoor unit:
L N
TO INDOOR UNI T
XS8XP 8
RT3
FAN 2
BLU
E
BLU
E
BLA
CK
C2
BLAC
K(L)
BLAC
K(L)
BLUE
(N)
X T8
T3 E
TO I NDOOR U N IT
COMP24622
A2A1
2 1531 S
CAP1
WHI TE(S)
BLA CK(L)
BLUE(R)
BLACK(C) R
CRAN KCASE H EATE R
Y&G
AC C O NTAC TOR
CONN E CTOR
PIPE T EMPERATUR E SEN SOR
CONN E CTOR
CONN E CTOR
REVER SING VA LVE
5-WAY B IGGER TER MINAL
OUTD OOR FA N C AP ACITOR
OUTD OOR FA N
CAPAC ITOR FOR CO MP.
COMP RESSOR
PART N AME
WIRI NG DI AGRAM OUTDOOR UNIT
TEM P ERATU RE PRO TE CT SW ITCH
PI PELIN E OV ERVOLT AG ES WI TCH
6-WAY TERMINAL
P.C .BO ARD TER MIN AL
P.C .BO ARD SOCK ET S
3-WAY TERMINAL
XS8
XT5RED
RED
XT6
B LACK
BLUE( N)BLUE
S.V
Y&G
BL UE
BLU
E(N
)
BLAC
K(H
I)
BLUE
(S.V
)
BROW NKM 1
H- PRO
K 1
HEAT
BL ACK( C) C
CODE
BROW N
BLUE ( N)
RED(A1)
HEAT
FAN2
COMP
CAP1
C2S.V
H-P RO
K1
XP8RT3
TO I NDOOR UNI T
1 2 3 4 5 6
XT4
XT4
CN35~ 36
CN37~ 38
KM1
XT3
XT5, XT6
XT8
XT3
2 2075 5 92 01
BLA
CK
L- PRO
L-P RO PI PEL INE LO W VOL TA GE SW ITC H
YUHA 36 FS (3 phase)Indoor unit:
XS1- 2, XS6-7
XP1-2,XP 6- 7
CN1-16
RT2
RT1
T4
XT1
CAP1,2
FAN1,2
FAN1
DIS PLAY BOARD
CAP1
T4 7-WAY TERMINAL
POWER TRANSFORMER
ROOM TEMPERATURE
PIP E TEMPERATURE
CONNECTORS
CONNECTORS
P.C BOARD SOCKETS
MAI N CONTROL B OARD
Y/G
CN15CN10
CN9/CN16CN1CN2CN3
CN8
BLUERED
RED
BLUE
GREE
N
YELL
OW
WIRI NG DI AGRAM
( I NDOOR UNIT)
BROW
N XP6
CODE PART NAME
I NDOOR FAN MOTOR
I NDOOR FAN CAPACITOR
RT2RT1
CN20
TO WI RE CONT ROLLER
CN20 NET CONTROL I NTERFACE
FAN2
CAP2
WHI TE WHITEWHI TE WHI TE
XP1XS 1
S OME A/C E XCLUDE T H E MAT ERI AL SI N DI C AT ED I N BROK EN LI NE T A BL E!
PLE ASE RE F E R T O T HE A CTU AL P ROD UC T.
CN7
XP2
XS2
Y/G
2 2 08 6 0 9 49 0
N 4321XT1
A B C 5
TO OUTDOOR UNIT
POWER
XS6
CN20
NET MODULETO CCM
Outdoor unit:
FAN1
DI SPLAY BOARD
CAP1
T4
MAI N CONTROL BOARD
CN15CN10
CN16CN1CN2CN3
CN7
XP1
XS1
TO OUTDOOR UNIT
Y/G
POWER
WHI TE
( WHI TE)
WHITE
I NDOOR WI RI NGDI AGRAM
CONNECTORS
CONNECTORS
PI PE TE MP. SENSORROOM TEMP. SENSOR
5- WAY TERMI NAL
P. C.BOARD SOCKETSTRANSFORMER
Y/G
GM1
CN13
L EVEL SWI NG M OT OR6 - WAY T ER MI NAL
CODE
I NDOOR F AN
I NDOOR FAN CAP.
PART NAME
X T1
RT2
XT1
RT1
XP1~3
XS1~3
CAP1
FAN1
CN1- CN24T4
GM1
A B C 1N
XT2
RED
BLAC
K
RED
GM2
CN12
( RED)
XP2XS2
XP3XS3
RT1RT2 GM2 P LUMB S WI NG M OTOR
T O WI RE CONTROLLER
220444 9017
YUHA 48 FSIndoor unit:
XS1- 2, XS6-7
XP1- 2,XP6-7
CN1- 16
RT2
RT1
T4
XT1
CAP1,2
FAN1,2
FAN1
DI SPLAY BOARD
CAP1
T4 7- WAY TERMI NAL
POWER TRANSFORMER
ROOM TEMPERATURE
PI PE TEMPERATURE
CONNECTORS
CONNECTORS
P. C BOARD SOCKETS
MAI N CONTROL BOARD
Y/G
CN15CN10
CN9/ CN16CN1CN2CN3
CN8
BLUERED
RED
BLUE
GREE
N
YELL
OW
WI RI NG DIAGRAM
( I NDOOR UNI T)
BROW
N XP6
CODE PART NAME
I NDOORFAN MOTOR
I NDOORFAN CAPACITOR
RT2RT1
CN20
TO WIRE CONTROLLER
CN20 NET CONTROL I NTERFACE
FAN 2
CAP2
WHI TE WHI TEWHI TE WHI TE
XP1XS 1
S OME A/C EXCLUDE T HE MATERI ALSI N DI CATED I N BROKEN LI NE TABL E!
PLEASE REF ERTOTHE ACTUAL PRODUC T.
CN7
XP2
XS2
Y/G
2208609490
N 4321XT1
A B C 5
TO OUTDOOR UNIT
POWER
XS6
CN20
NET MODULETO CCM
Outdoor unit:
TOI NDOORTO IN DOOR
BLUE(N)
BLACK
BLUEWHIT E
RED
BLACK(L1)
BLACK(L2)BLACK(L3)
BLU E BLUE
BLUE(N)
BLUE(N)
RED
(A1
)
BLA
CK(H
I)
BLACK( HI)
RED
(A1
)
BLA
CK(L
1)
BL
ACK(
L2
)BL
ACK
(L3
)BL
UE(
N)
BLUE(N)
BLU
E(N
)
BLUE
BLACK
XT3XT421 3
XT7
XT6
A B NC
HEATT1
Y/G
COMPT3
21
T2
22
CN100- 208 P. C. BOARD SOCKETS
TEMP. PROTECT SWI TCH
ROOMTEMP. SENSOR
TRANSFORMER
5-WAY TERMI NALXT 3
T5
RT4
K 1
4- WAY TERMI NALCONNECTOR
HIGH PRESSURE SWI TCH
CRANKAC CONTACTOR
PI PE TEMP. SENSOR
CONNECTORS
CURRENT DETECTORRT3
XP8 -9
H-PRO
T201
XT5 -7
XT 4
KM 1
HEA T
MAI N CONTROL BOARD
RT
3 CN201
XT5
CN100 CN200
KM1A1
31
5
A2246
T201
T5
WI RI NG DIAGRAM
FAN CAP.
COMPRESSOROUTDOOR FAN
PART NAMECOMP
COD E
CONNECTORSXS8 -9
FAN3
CAP3
FAN3
CAP 3
4
H-PRO K1
RT
4
Y/ G
RED( LOW)
BLU
ERED
S.V.BLUE
S.V 4- WAY VALVELOWPRESSURE SWI TCHL-PRO
BLU
E
YEL
LOW
22 07579 024
6. Capacity Tables
Model: YUHA 18 FS
COOLING OUTDOOR TEMPERATURE DRY
Indoor
Conditions21ºC 25ºC 30ºC 35ºC 40ºC 45ºC
Total capacity kW 5.10 4.88 4.70 4.44 4.26 4.12
Sensitive capacity kW 4.08 3.90 3.76 3.55 3.41 3.3021ºC D
15ºC WInput kW. 1.39 1.58 1.78 1.98 2.18 2.38
Total capacity kW 5.59 5.34 5.15 4.86 4.66 4.52
Sensitive capacity kW 4.47 4.27 4.12 3.89 3.73 3.6124ºC D
17ºC WInput kW. 1.46 1.67 1.88 2.09 2.30 2.51
Total capacity kW 6.07 5.81 5.60 5.28 5.07 4.91
Sensitive capacity kW 4.86 4.65 4.48 4.22 4.06 3.9327ºC D
19ºC WInput kW. 1.54 1.76 1.98 2.20 2.42 2.64
Total capacity kW 6.98 6.68 6.44 6.07 5.83 5.65
Sensitive capacity kW 5.59 5.34 5.15 4.86 4.66 4.5232ºC D
23ºC WInput kW. 1.77 2.02 2.28 2.53 2.78 3.04
HEATING OUTDOOR CONDITIONS
Indoor
Conditions
24ºC D
18ºC W
12ºC D
11ºC W
7ºC D
6ºC W
4ºC D
3ºC W
0ºC D
-1ºC W
-5ºC D
-6ºC W
-7ºC D
-8ºC W
-15ºC D
-16ºC W
Capacity kW 10.61 8.49 7.07 6.37 6.01 5.30 4.95 4.6015ºC
Input kW. 3.45 2.76 2.30 2.19 2.07 1.96 1.84 1.61
Capacity kW 9.96 7.97 6.64 5.98 5.65 4.98 4.65 4.3218ºC
Input kW. 3.24 2.59 2.16 2.05 1.94 1.84 1.73 1.51
Capacity kW 9.23 7.38 6.15 5.54 5.23 4.61 4.31 4.0020ºC
Input kW. 3.00 2.40 2.00 1.90 1.80 1.70 1.60 1.40
Capacity kW 8.49 6.79 5.66 5.09 4.81 4.24 3.96 3.6822ºC
Input kW. 2.76 2.21 1.84 1.75 1.66 1.56 1.47 1.29
Capacity kW 7.38 5.90 4.92 4.43 4.18 3.69 3.44 3.2027ºC
Input kW. 2.40 1.92 1.60 1.52 1.44 1.36 1.28 1.12
Model: YUHA 24 FS
COOLING OUTDOOR TEMPERATURE DRY
Indoor
Conditions21ºC 25ºC 30ºC 35ºC 40ºC 45ºC
Total capacity kW 6.79 6.50 6.26 5.91 5.67 5.49
Sensitive capacity kW 5.43 5.20 5.01 4.72 4.54 4.3921ºC D
15ºC WInput kW. 1.85 2.11 2.37 2.64 2.90 3.16
Total capacity kW 7.44 7.11 6.86 6.47 6.21 6.01
Sensitive capacity kW 5.95 5.69 5.48 5.17 4.97 4.8124ºC D
17ºC WInput kW. 1.95 2.23 2.51 2.78 3.06 3.34
Total capacity kW 8.08 7.73 7.45 7.03 6.75 6.54
Sensitive capacity kW 6.47 6.19 5.96 5.62 5.40 5.2327ºC D
19ºC WInput kW. 2.05 2.34 2.64 2.93 3.22 3.52
Total capacity kW 9.30 8.89 8.57 8.08 7.76 7.52
Sensitive capacity kW 7.44 7.11 6.86 6.47 6.21 6.0132ºC D
23ºC WInput kW. 2.36 2.70 3.03 3.37 3.71 4.04
HEATING OUTDOOR CONDITIONS
Indoor
Conditions
24ºC D
18ºC W
12ºC D
11ºC W
7ºC D
6ºC W
4ºC D
3ºC W
0ºC D
-1ºC W
-5ºC D
-6ºC W
-7ºC D
-8ºC W
-15ºC D
-16ºC W
Capacity kW 13.96 11.16 9.30 8.37 7.91 6.98 6.51 6.0515ºC
Input kW. 5.26 4.21 3.51 3.33 3.16 2.98 2.81 2.46
Capacity kW 13.11 10.48 8.74 7.86 7.43 6.55 6.12 5.6818ºC
Input kW. 4.94 3.95 3.29 3.13 2.96 2.80 2.64 2.31
Capacity kW 12.14 9.71 8.09 7.28 6.88 6.07 5.66 5.2620ºC
Input kW. 4.58 3.66 3.05 2.90 2.75 2.59 2.44 2.14
Capacity kW 11.16 8.93 7.44 6.70 6.33 5.58 5.21 4.8422ºC
Input kW. 4.21 3.37 2.81 2.67 2.53 2.39 2.24 1.96
Capacity kW 9.71 7.77 6.47 5.82 5.50 4.85 4.53 4.2127ºC
Input kW. 3.66 2.93 2.44 2.32 2.20 2.07 1.95 1.71
Model: YUHA 36 FS
COOLING OUTDOOR TEMPERATURE DRY
Indoor
Conditions21ºC 25ºC 30ºC 35ºC 40ºC 45ºC
Total capacity kW 10.19 9.75 9.39 8.86 8.51 8.24
Sensitive capacity kW 8.15 7.80 7.51 7.09 6.81 6.5921ºC D
15ºC WInput kW. 2.71 3.10 3.48 3.87 4.26 4.64
Total capacity kW 11.16 10.68 10.29 9.71 9.32 9.03
Sensitive capacity kW 8.93 8.54 8.23 7.76 7.45 7.2224ºC D
17ºC WInput kW. 2.86 3.27 3.68 4.09 4.49 4.90
Total capacity kW 12.13 11.61 11.18 10.55 10.13 9.81
Sensitive capacity kW 9.71 9.28 8.95 8.44 8.10 7.8527ºC D
19ºC WInput kW. 3.01 3.44 3.87 4.30 4.73 5.16
Total capacity kW 13.95 13.35 12.86 12.13 11.65 11.28
Sensitive capacity kW 11.16 10.68 10.29 9.71 9.32 9.0332ºC D
23ºC WInput kW. 3.46 3.96 4.45 4.95 5.44 5.93
HEATING OUTDOOR CONDITIONS
Indoor
Conditions
24ºC D
18ºC W
12ºC D
11ºC W
7ºC D
6ºC W
4ºC D
3ºC W
0ºC D
-1ºC W
-5ºC D
-6ºC W
-7ºC D
-8ºC W
-15ºC D
-16ºC W
Capacity kW 20.22 16.17 13.48 12.13 11.46 10.11 9.43 8.7615ºC
Input kW. 7.94 6.35 5.29 5.03 4.76 4.50 4.23 3.70
Capacity kW 18.99 15.19 12.66 11.39 10.76 9.49 8.86 8.2318ºC
Input kW. 7.45 5.96 4.97 4.72 4.47 4.22 3.97 3.48
Capacity kW 17.58 14.06 11.72 10.55 9.96 8.79 8.20 7.6220ºC
Input kW. 6.90 5.52 4.60 4.37 4.14 3.91 3.68 3.22
Capacity kW 16.17 12.94 10.78 9.70 9.17 8.09 7.55 7.0122ºC
Input kW. 6.35 5.08 4.23 4.02 3.81 3.60 3.39 2.96
Capacity kW 14.06 11.25 9.38 8.44 7.97 7.03 6.56 6.0927ºC
Input kW. 5.52 4.42 3.68 3.50 3.31 3.13 2.94 2.58
Model: YUHA 48 FS
COOLING OUTDOOR TEMPERATURE DRY
Indoor
Conditions21ºC 25ºC 30ºC 35ºC 40ºC 45ºC
Total capacity kW 13.59 13.00 12.53 11.82 11.35 10.99
Sensitive capacity kW 10.87 10.40 10.02 9.46 9.08 8.7921ºC D
15ºC WInput kW. 3.40 3.89 4.37 4.86 5.35 5.83
Total capacity kW 14.89 14.24 13.72 12.94 12.43 12.04
Sensitive capacity kW 11.91 11.39 10.98 10.36 9.94 9.6324ºC D
17ºC WInput kW. 3.59 4.10 4.62 5.13 5.64 6.16
Total capacity kW 16.18 15.48 14.91 14.07 13.51 13.09
Sensitive capacity kW 12.94 12.38 11.93 11.26 10.81 10.4727ºC D
19ºC WInput kW. 3.78 4.32 4.86 5.40 5.94 6.48
Total capacity kW 18.61 17.80 17.15 16.18 15.53 15.05
Sensitive capacity kW 14.89 14.24 13.72 12.94 12.43 12.0432ºC D
23ºC WInput kW. 4.35 4.97 5.59 6.21 6.83 7.45
HEATING OUTDOOR CONDITIONS
Indoor
Conditions
24ºC D
18ºC W
12ºC D
11ºC W
7ºC D
6ºC W
4ºC D
3ºC W
0ºC D
-1ºC W
-5ºC D
-6ºC W
-7ºC D
-8ºC W
-15ºC D
-16ºC W
Capacity kW 26.79 21.43 17.86 16.07 15.18 13.39 12.50 11.6115ºC
Input kW. 9.83 7.87 6.56 6.23 5.90 5.57 5.24 4.59
Capacity kW 25.16 20.13 16.77 15.10 14.26 12.58 11.74 10.9018ºC
Input kW. 9.23 7.39 6.16 5.85 5.54 5.23 4.92 4.31
Capacity kW 23.30 18.64 15.53 13.98 13.20 11.65 10.87 10.0920ºC
Input kW. 8.55 6.84 5.70 5.42 5.13 4.85 4.56 3.99
Capacity kW 21.43 17.15 14.29 12.86 12.14 10.72 10.00 9.2922ºC
Input kW. 7.87 6.29 5.24 4.98 4.72 4.46 4.20 3.67
Capacity kW 18.64 14.91 12.42 11.18 10.56 9.32 8.70 8.0827ºC
Input kW. 6.84 5.47 4.56 4.33 4.10 3.88 3.65 3.19
7. Air Velocity and Temperature Distributions (Reference Data)
Discharge angle 60º
Airflow velocityAir outlet
Temperature Air outlet
8. Fan performances
YUHA 18 FS YUHA 24 FS
Low speed
High speed
3Ext
ern
alst
atic
pre
ssu
re(P
a)
3Air volume(m /h)
120011001000900800700
Pa
90
80
70
60
50
40
30
20
10
Min air volume700m /h
Max air volume1250m /h3
Medium speed
High speed
3Max air volume1460m /h
3Min air volume1030m /hExt
ern
alst
atic
pres
sure
(Pa)
3Air volume(m /h)
150014001300120011001000
Pa
90
80
70
60
50
40
30
20
10
High speed
Miedium speed
YUHA 36 FS YUHA 48 FS
10
20
30
40
50
60
70
80
90
Pa
1500 1600 1700 1800 19003
Ext
ern
alst
atic
pre
ssur
e(P
a)
Min air volume1460m /h3
3
High speed
Mid speed
Low speed
Max air volume 2070m /h
Air volume(m /h)
2000
Low speed
3Max air volume2400 m /h
3Min air volume1750m /hExt
ern
alst
atic
pres
sure
(Pa)
3Air volume(m /h)
230022002100200019001800
Pa
90
80
70
60
50
40
30
20
10
High speed
Medium speed
9. Electric Characteristics
YUHA 18 FT
YUHA 24 FT
YUHA 36 FT
YUHA 36 FT
YUHA 48 FT
Symbols:
MCA: Min. Circuit Amps.
MFA: Max. Fuse Amps..
FLA: Full Load Amps.
Kw: Rate Motor Output
Notes:
7. Voltage range should not over the value of above table.
8. Maximum allowable voltage variation between phase is 2%
9. Selection wire size based on the larger value of MCA.
10. MCA/MFA
MCA = 1.25 × FLA
MFA ≤ 4 × FLA
(Next lower standard fuse rating min. 15A)
5. Instead of fuse, circuit breaker is also acceptable.
Indoor Units Power Supply Indoor fan motor Power input(W)Model
Hz Voltage Min. Max. MCA MFA kW FLA Cooling Heating
13.5 40 0.06 0.54 2100 2100
16.7 50 0.07 0.78 2510 2500220~240 198 264
26.2 80 0.06 0.52 3700 3550
8.1 30 0.06 0.52 3700 3550
50
380 342 41811.5 30 0.06 0.52 5400 5500
10 . Sound Levels
1.0m
Duct
CONCEALED DUCT TYPE
Microphone
18,000 BTU/H 24,000 BTU/H
36,000 BTU/H 48,000 BTU/H
Octave band center frequency0 Hz1
Soun
dpr
essu
rele
veld
B0
0dB
=0.
0002
2ba
r1
Audibility limits ofcontinuous whitesound
Octave band center frequency0 Hz1
Sou
ndpr
essu
rele
veld
B0
0dB
=0.0
0022
bar 1
Audibility limits ofcontinuous whitesound
Octave band center frequency0 Hz1
Soun
dpr
essu
rele
veld
B0
0dB
=0.0
0022
bar1
Audibility limits ofcontinuous whitesound
Octave band center frequency0 Hz1
Sou
ndpr
essu
rele
veld
B0
0dB
=0.0
002 2
bar1
Audibility limits ofcontinuous whitesound
www.johnsoncontrols.com SM-YUHA-18-48FS-GB 08-08