Post on 28-Apr-2023
4 Way CassetteYKCA-YKHA 18 to 48
SERVICE MANUAL
YKCA-YKHA 18 · YKCA-YKHA 24YKCA-YKHA 36 · YKCA-YKHA 48
SM-YKCA-YKHA-18-48GB 0508
How to read the model?
Y K H A 12 F S A A A A
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 remote
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
How to read the model?
Y K H A 12 F S A A A A
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 remote
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
Four Way Cassette Type
1. Features2. Specification3. Dimensions4. Piping Diagrams5. Wiring Diagrams6. Capacity Tables7. Air Velocity and Temperature Distributions8. Electric Characteristics9. Sound Levels
1. Features
(1) Low operation noise
---Streamline plate ensures quietness
---Creates natural and comfortable environment
(2) Efficient cooling
---Equal, fast and wide—range cooling
(3) The adoption of the most advanced 3- Dimensional Screw fan
---Reduces the air resistance passing through
---Smoothes the air flow
---Makes air speed distribution to the heat exchange uniform
(4) Fresh air makes life healthier and more comfortable.
(4) Improvement for easy installation and maintenance (only available for small four-way cassette)
---Little space is required for installation into a shallow ceiling
---Because of the compactness and weight reduction of the main unit and panel, all models can be
installed without a hoist
The sketch map of installation (compact type)
2. Specification
Compact typeModel YKCA 18 YKHA 18
Power supply Ph-V-Hz 1,220-240V,50Hz 1,220-240V,50Hz
Capacity Btu/h 18000 18000
Input W 2050 2050
Rated current A 8.5 9.8
Cooling EER Btu/w.h 8.8 8.8
Capacity Btu/h / 20500
Input W / 2150
Rated current A / 10.5
Heating COP Btu/w.h / 9.5
Moisture Removal l/h 1.9 1.9
Max. input consumption W 2600 2600
Max. input current A 13.5 13.5
Model PH330X2CS-8 PH330X2CS-8
Type ROTARY ROTARY
Brand TOSHIBA TOSHIBA
Supplier MIDEA-TOSHIBA MIDEA-TOSHIBA
Capacity Btu/h 18834 18834
Input W 1870 1870
Rated current(RLA) A 8.75 8.75
Locked rotor Amp(LRA) A 36.8 36.8
Thermal protector INNER INNER
Capacitor uF 50/370 F/V 50/370 F/V
Compressor Refrigerant oil ml ESTER OIL VG74 750 ESTER OIL VG74 750
Model YDK45-4F YDK45-4F
Input W 63 63
Capacitor uF 2.5 F/450V 2.5 F/450V
Indoor fan motor Speed(hi/lo) r/min 930/830/660 930/830/660
a.Number of rows 2 2
b.Tube pitch(a)x row pitch(b) mm 21X13.37 21X13.37
c.Fin spacing mm 1.3 1.3
d.Fin type Hydrophilic aluminium Hydrophilic aluminium
e.Tube outer dia.and type mm 7Ø Øinnergroove tube 7 innergroove tube
f.Coil length x height x width mm 1185×210×26.74 1185×210×26.74
Indoor coil g.Number of circuits 5 5
Indoor air flow (Hi/Lo) m3/h 860/760 860/760
Indoor noise level (Hi/Lo) dB(A) 43/40 43/40
Dimension (W*H*D)(body) mm 580×254×580 580×254×580Indoor unit
Packing (W*H*D)(body) mm 750x340×750 750x340×750
Dimension (W*H*D)(panel) mm 650x30x650 650x30x650
Packing (W*H*D)(panel) mm 715x115x715 715x115x715
Net/Gross weight(body) kg 21/30 21/30
Net/Gross weight(panel) kg 3/5 3/5
Model YDK53-6GC YDK53-6GC
Input W 110/104/98 110/104/98
Capacitor uF 2.5 uF/450V 2.5uF/450VOutdoor fan
motor Speed (hi) r/min 750 750
a.Number of rows 2 2
b.Tube pitch(a)x row pitch(b) mm 25.4×22 25.4×22
c.Fin spacing mm 1.7 1.7
d.Fin type (code) Unhydrophilic aluminium Hydrophilic aluminium
e.Tube outer dia.and type mm 9.53, Innergroove tube 9ØØ .53 innergroove tube
f.Coil length x height x width mm 775×660×44 775×660×44
Outdoor coil g.Number of circuits 3 3
Outdoor air flow m3/h 2400 2400
Outdoor noise level dB(A) 48 48
Dimension(W*H*D) mm 845×695×335 845×695×335
Packing (W*H*D) mm 970X770X395 970X770X395
Outdoor unit Net/ Gross weight kg 52/56 53/57
Refrigerant type/Quantity g R22/1150 R22/1950
Design pressure MPa 2.6/1.2 2.8/1.2
Liquid/ Gas side mm(inch) 6Ø Ø ØØ.35/ 12.7 6.35/ 12.7
Max. pipe length m 20 20Refrigerant
piping Max. difference in level m 10 10
Operation temp ºC 17~30 17~30
Ambient temp ºC 18~45 -7~45
Application area m2 34-49 34-49
indoor 119/249/252 119/249/252
outdoor 68/144/216 68/144/216Qty’per 20’ /40’ /40'HQ
set 47/107/117 47/107/117
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.
Normal type
Model
Power supply Ph-V-Hz 1,220-240V,50 1,220-240V,50
Capacity Btu/h 18000 18000
Capacity kW 5.2 5.2
Input W 2000 2000
Rated current A 10 10
Cooling EER Btu/w.h 8.5 9
Capacity Btu/h / 20500
Capacity kW / 6
Input W / 2000
Rated current A / 10
Heating COP Btu/w.h / 10.3
Moisture Removal l/h 1.9 1.9
Max. input consumption W 2600 2600
Max. input current A 12 13.7
Model PH330X2CS-8 PH330X2CS-8
Type ROTARY ROTARY
Brand MIDEA-TOSHIBA MIDEA-TOSHIBA
Supplier
MIDEA-TOSHIBA
(Guangdong)
MIDEA-TOSHIBA
(Guangdong)
Capacity Btu/h 18834 18834
Input W 1870 1870
Rated current(RLA) A 8.75 8.75
Locked rotor Amp(LRA) A 36.8 36.8
Thermal protector INNER INNER
Capacitor uF 50/370 F/V 50/370 F/V
Compressor Refrigerant oil ml ESTER OIL VG74 750 ESTER OIL VG74 750
Model YDK54-6 YDK54-6
Input W 97 97
Capacitor uF 3.5 uF /450v 3.5 uF /450v
Indoor fan motor Speed (hi/lo) r/min 560/465/360 560/465/360
Indoor coil Coil length x height x width mm 2000×170×27 2000×170×27
Indoor air flow (Hi/Lo) m3/h 1000/830 1000/830
Indoor noise level (Hi/Lo) dB(A) 43/40 43/40
Dimension (W*H*D)(body) mm 840X240X840 840X240X840Indoor unit
Packing (W*H*D)(body) mm 1020X330X930 1020X330X930
YKCA 18 YKHA 18
Dimension(W*H*D)(panel) mm 950X40X950 950X40X950
Packing (W*H*D)(panel) mm 1030X145X1030 1030X145X1030
Net/Gross weight(body) kg 36/46 36/46
Net/Gross weight(panel) kg 6/11 6/11
Model YDK53-6GC YDK53-6GC
Input W 98 98
Capacitor uF 2.0 uF /450v 2.0 uF /450v
Outdoor fan motor Speed (hi/lo) r/min 640/440 640/440
Outdoor air flow m3/h 2000 2000
Outdoor noise level dB(A) 52 52
Dimension(W*H*D) mm 845X695X335 845X695X335
Packing (W*H*D) mm 970X770X395 970X770X395
Outdoor unit Net/ Gross weight kg 52/57 57/62
Refrigerant type/Quantity g R22/1150 R22/1850
Design pressure MPa 2.6/1.2 2.6/1.2
Liquid side mm(inch) Ø6.35(1/4”) Ø6.35(1/4”)
Gas side mm(inch) Ø12.7(1/2”) Ø12.7(1/2”)
Max. pipe length m 20 20
Refrigerant piping Max. difference in level m 10 10
Operation temp ºC 17~30 17~30
Ambient temp ºC 18~45 -7~45
Application area m2 30-40 30-40
Qty’per 20’ /40’ /40'HQ set 34/74/86 34/74/86
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.
Model
Power supply Ph-V-Hz 1,220-240V,50 1,220-240V,50Hz
Capacity Btu/h 24000 24000
Capacity kW 7 7
Input W 3050 3050
Rated current A 15 15
Cooling EER Btu/w.h 8.7 8.2
Capacity Btu/h / 28000
Capacity kW / 8.2
Input W / 2950
Rated current A / 14
Heating COP Btu/w.h / 9.6
Moisture Removal l/h 2.4 2.4
Max. input consumption W 4000 3900
Max. input current A 19.5 21
Model THU33WC6-U THU33WC6-U
Type Rotary ROTARY
Brand HITACHI Hitachi
Supplier SHANGHAI HITACHI Hitachi(shanghai)
Capacity Btu/h 28490 28490
Input W 2650 2650
Rated current(RLA) A 12.6 12.6
Locked rotor Amp(LRA) A 62 62
Thermal protector Internal INNER
Capacitor uF
60 F/400V(220V)
60 F/450V(240V)
60 F/400V(220V)
60 F/450V(240V)
Compressor Refrigerant oil ml SUNISO-4GSI 1050 SUNISO-4GSI 1050
Model YDK55-6 YDK55-6
Input W 128 128
Capacitor uF 3.5 uF /450v 3.5 uF /450v
Indoor fan motor Speed (hi/lo) r/min 680/600/330 680/600/330
Indoor coil Coil length x height x width mm 2000×170×27 2000×170×27
Indoor air flow (Hi/Lo) m3/h 1050/900 1050/900
Indoor noise level (Hi/Lo) dB(A) 43/40 43/40
Dimension (W*H*D)(body) mm 840X240X840 840X240X840Indoor unit
Packing (W*H*D)(body) mm 1020X330X930 1020X330X930
YKCA 24 YKHA 24
Dimension(W*H*D)(panel) mm 950X40X950 950X40X950
Packing (W*H*D)(panel) mm 1030X145X1030 1030X145X1030
Net/Gross weight(body) kg 36/46 36/46
Net/Gross weight(panel) kg 6/11 6/11
Model YDK53-6K YDK65-6C1
Input W 130 137.8
Capacitor uF 3.0 uF /450v 3.5 uF /450v
Outdoor fan motor Speed (hi/lo) r/min 750 800/550
Outdoor air flow m3/h 3000 3000
Outdoor noise level dB(A) 52 52
Dimension(W*H*D) mm 895X860X330 895X860X330
Packing (W*H*D) mm 1043X915X395 1043X915X395
Outdoor unit Net/ Gross weight kg 62/64 68/70
Refrigerant type/Quantity g R22/1450 R22/2600
Design pressure MPa 2.6/1.2 2.6/1.2
Liquid side mm(inch) Ø 9.53(3/8”) 9.53(3/8”)
Gas side mm(inch) Ø
Ø
Ø16(5/8”) 16(5/8”)
Max. pipe length m 20 20
Refrigerant piping Max. difference in level m 10 10
Operation temp ºC 17~30 17~30
Ambient temp ºC 18~45 -7~45
Application area m2 40-56 40-56
Qty’per 20’ /40’ /40'HQ set 30/63/66 30/63/66
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.
Model
Power supply Ph-V-Hz 1,220-240V,50Hz 1,220-240V,50Hz
Capacity Btu/h 36000 36000
Capacity kW 10.7 10.7
Input W 4400 4400
Rated current A 21 21
Cooling EER Btu/w.h 8.3 8.3
Capacity Btu/h / 40000
Capacity kW / 11.7
Input W / 4500
Rated current A / 8
Heating COP Btu/w.h / 8.9
Moisture Removal l/h 4 4
Max. input consumption W 5500 5500
Max. input current A 35 35
Model ZR47K3-PFJ-522 ZR47K3-PFJ-522
Type SCROLL SCROLL
Brand Copeland Copeland
Supplier Copeland(Suzhou) Copeland(Suzhou)
Capacity Btu/h 39000 39000
Input W 3510 3510
Rated current(RLA) A 16.8 16.8
Locked rotor Amp(LRA) A 264 264
Thermal protector INNER INNER
Capacitor uF / /
Compressor Refrigerant oil ml SONTEX 200 LT 1242 SONTEX 200 LT 1242
Model YDK56-6 YDK56-6
Input W 144 144
Capacitor uF 3.5 uF /450v 3.5 uF /450v
Indoor fan motor Speed (hi/lo) r/min 680/600/330 680/600/330
Indoor coil Coil length x height x width mm 2000×250×27 2000×250×27
Indoor air flow (Hi/Lo) m3/h 1600/1420 1600/1420
Indoor noise level (Hi/Lo) dB(A) 47/44 47/44
Dimension (W*H*D)(body) mm 840X310X840 840X310X840Indoor unit
Packing (W*H*D)(body) mm 1020X400X930 1020X400X930
YKCA 36 YKHA 36
Dimension(W*H*D)(panel) mm 950X40X950 950X40X950
Packing (W*H*D)(panel) mm 1030X145X1030 1030X145X1030
Net/Gross weight(body) kg 40/50 40/50
Net/Gross weight(panel) kg 6/11 6/11
Model YDK250-6D YDK250-6D
Input W 296 296
Capacitor uF 10 uF /450V 10 uF /450V
Outdoor fan motor Speed (hi/lo) r/min 740 740
Outdoor air flow m3/h 5000 5000
Outdoor noise level dB(A) 57 57
Dimension(W*H*D) mm 990X960X360 990X960X360
Packing (W*H*D) mm 1120X1090X435 1120X1090X435
Outdoor unit Net/ Gross weight kg 86/98 88/100
Refrigerant type/Quantity g R22/1700 R22/3100
Design pressure MPa 2.6/1.2 2.6/1.2
Liquid side mm(inch) 12Ø Ø
Ø Ø
.7(1/2”) 12.7(1/2”)
Gas side mm(inch) 19(3/4”) 19(3/4”)
Max. pipe length m 25 25
Refrigerant piping Max. difference in level m 10 10
Operation temp ºC 17~30 17~30
Ambient temp ºC 18~45 -7~45
Application area m2 80-105 80-105
Qty’per 20’ /40’ /40'HQ set 25/55/67 25/55/67
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.
Model
Power supply Ph-V-Hz 3N,380V,50Hz 3N,380V,50Hz
Capacity Btu/h 36000 36000
Capacity kW 10.7 10.7
Input W 4400 4400
Rated current A 7.8 7.8
Cooling EER Btu/w.h 8.3 8.3
Capacity Btu/h / 40000
Capacity kW / 11.7
Input W / 4500
Rated current A / 8
Heating COP Btu/w.h / 8.9
Moisture Removal l/h 4 4
Max. input consumption W 5500 5500
Max. input current A 10 10
Model C-SB303H8A C-SB303H8A
Type SCROLL SCROLL
Brand Sanyo Sanyo
Supplier Sanyo(dalian) Sanyo(dalian)
Capacity Btu/h 40262 40262
Input W 3650 3650
Rated current(RLA) A 6.5 6.5
Locked rotor Amp(LRA) A 42 42
Thermal protector Internal INNER
Capacitor uF —— /
Compressor
Refrigerant oil ml 3GS 1360 3GS 1360
Model YDK56-6 YDK56-6
Input W 144 144
Capacitor uF 3.5 uF /450v 3.5 uF /450vIndoor fan motor
Speed (hi/lo) r/min 680/600/330 680/600/330
Indoor coil Coil length x height x width mm 2000×250×27 2000×250×27
Indoor air flow (Hi/Lo) m3/h 1600/1420 1600/1420/
Indoor noise level (Hi/Lo) dB(A) 47/44 47/44
Dimension (W*H*D)(body) mm 840X310X840 840X310X840Indoor unit
Packing (W*H*D)(body) mm 1020X400X930 1020X400X930
YKCA 36 YKHA 36
Dimension(W*H*D)(panel) mm 950X40X950 950X40X950
Packing (W*H*D)(panel) mm 1030X145X1030 1030X145X1030
Net/Gross weight(body) kg 40/50 40/50
Net/Gross weight(panel) kg 6/11 6/11
Model YDK250-6D YDK250-6D
Input W 296 296
Capacitor uF 10 uF /450V 10 uF /450V
Outdoor fan motor Speed (hi/lo) r/min 740 740
Outdoor air flow m3/h 5000 5000
Outdoor noise level dB(A) 57 57
Dimension(W*H*D) mm 990X960X360 990X960X360
Packing (W*H*D) mm 1120X1090X435 1120X1090X435
Outdoor unit Net/ Gross weight kg 86/98 88/100
Refrigerant type/Quantity g R22/1700 R22/3100
Design pressure MPa 2.6/1.2 2.6/1.2
Liquid side mm(inch) 12.7(1/2”) 12.7(1/2”)
Gas side mm(inch) 19Ø Ø
Ø Ø
(3/4”) 19(3/4”)
Max. pipe length m 25 25
Refrigerant piping Max. difference in level m
ºC
ºC
10 10
Operation temp 17~30 17~30
Ambient temp 18~45 -7~45
Application area m2 80-105 80-105
Qty’per 20’ /40’ /40'HQ set 25/55/67 25/55/67
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.
Model
Power supply Ph-V-Hz 3N,380V,50Hz 3N,380V,50Hz
Capacity Btu/h 48000 48000
Capacity kW 14 14
Input W 5400 5400
Rated current A 9.2 9.2
Cooling EER Btu/w.h 8.9 8.9
Capacity Btu/h / 53000
Capacity kW / 15.5
Input W / 5500
Rated current A / 9.4
Heating COP Btu/w.h / 9.7
Moisture Removal l/h 4.4 4.4
Max. input consumption W 6000 5800
Max. input current A 11.5 10.5
Model VR61KF-TFP-542 VR61KF-TFP-542
Type SCROLL SCROLL
Brand Copeland Copeland
Supplier Copeland(Suzhou) Copeland(Suzhou)
Capacity Btu/h 51000 51000
Input W 4636 4636
Rated current(RLA) A 9.4 9.4
Locked rotor Amp(LRA) A 61 61
Thermal protector Internal INNER
Capacitor uF / /
Compressor Refrigerant oil ml 3GS 1360 3GS 1360
Model YDK56-6 YDK56-6
Input W 144 144
Capacitor uF 3.5 uF /450v 3.5 uF /450v
Indoor fan motor Speed (hi/lo) r/min 680/600/330 680/600/330
Indoor coil Coil length x height x width mm 2000×250×27 2000×250×27
Indoor air flow (Hi/Lo) m3/h 1750/1500 1750/1500
Indoor noise level (Hi/Lo) dB(A) 47/44 47/44
Dimension (W*H*D)(body) mm 840X310X840 840X310X840
Packing (W*H*D)(body) mm 1020X400X930 1020X400X930
Indoor unit
Dimension(W*H*D)(panel) mm 950X40X950 950X40X950
YKCA 48 YKHA 48
Packing (W*H*D)(panel) mm 1030X145X1030 1030X145X1030
Net/Gross weight(body) kg 40/50 40/50
Net/Gross weight(panel) kg 6/11 6/11
Model YDK250-6D YDK250-6D
Input W 296 296
Capacitor uF 10 uF /450V 10 uF /450V
Outdoor fan motor Speed (hi/lo) r/min 740 740
Outdoor air flow m3/h 5000 5000
Outdoor noise level dB(A) 57 57
Dimension(W*H*D) mm 990X960X360 990X960X360
Packing (W*H*D) mm 1120X1090X435 1120X1090X435
Outdoor unit Net/ Gross weight kg 88/100 90/102
Refrigerant type/Quantity g R22/1700 R22/3100
Design pressure MPa 2.6/1.2 2.6/1.2
Liquid side mm(inch) Ø
Ø
Ø
Ø
12.7(1/2”) 12.7(1/2”)
Gas side mm(inch) 19(3/4”) 19(3/4”)
Max. pipe length m 25 25
Refrigerant piping Max. difference in level m 10 10
Operation temp ºC 17~30 17~30
Ambient temp ºC 18~45 -7~45
Application area m2 80-105 80-105
Qty’per 20’ /40’ /40'HQ set 25/55/67 25/55/67
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.
3. Dimensions
YKCA-YKHA 18 (compact)
580(Body) 67600(Ceiling hole)
650(Panel)
401(Hook-location)
611(Hook-location)
580(Body)
42228.5
600(Ceiling
hole)
650(Panel)
Dra
insi
dean
dTu
bing
side
A
600
Hook
265
Panel
Body
Nut
Ceiling
YKCA-YKHA 18 / YKCA-YKHA 24
Drain hole
Pump inspect hole
Gas side
E-parts box
Liquid side
4-install hanger
YKCA-YKHA 36 / YKCA-YKHA 48
310
Pump inspect hole
Drain hole
Gas side
E-parts box
liquid side
4-install hanger
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 valveThrottle capiliary
Check valve
filter
Cooling only
T1
T2T3T4
Indoor unitsOutdoor unit
T5
stop valve
room temp. sensor
evaporator temp. sensor
Throttle capiliary
compressor
condenser temp. sensor
ambient temp. sensor
Discharge temp. sensor
stop valve
filter
Remark:
1. For YKJ-18 YKJ-24and , accumulator is not included.
2. For YKJ-36 and YKJ-48 , check valve and auxiliary capillary is not included.
5. Wiring Diagrams
YKCA 18 (compact)Indoor unit
CN5
10
XS6
XP6
MAI N BOARDCN7
KM1
CN19
RT2
RED
RT1
XS1
XP1
CN2 CN3
XT1 L
CN1
XS2
XP2
T4
CN11 CN10
K3
CN1- CN120 CN170CN190 2CON10
CN9
FAN1
SWI NG
N 1
BLACK
CN12
5
5
XP7
XS7
CN4
XS8
PUMP
Y&G
XS4
2
2
XP8
CN8
XP4
CAP16
WHI TE
3
XS1- XS8XP1- XP8XT1
RL6
T4
K3
KM1SWING
RT2RT1FAN1
CN17
2
10
RL6CODE
CAP1
P.C BOARD SOCKETSCOMPRESSOR CONTROL WIRE
CONNECTORS
7- WAY TERMINAL
COMPRESSOR RELAY
WATER LEVEL SENSOR
PIPE TEMP ERATURE SENSOR
ROOM TEMPERATURE SENSOR
I NDOOR FAN
SWIN G MOTOR
TRANSFORMER
CONNECTORS
I NDOOR FAN CAPACITORNAME
PUMP PUMP
2(N)
RED
RED BLUE
Y&G
WHI TE
Outdoor unit
N 3 4
FAN1
CAP1
COMP
C
XT1
SRWHITE
CAP3
C O DE PA RT NA M E
COMP. CAPCAP1
OUTDOOR FANFAN1
OUTDOOR FAN CAPCAP3
XT1
CONNECTORXP1 XS1
COMPRESSORCOMP
TO I ND O O R UN IT
5 - WAY TERMINAL
RT3OUTDOOR PI PETEMP. SENSOR
Y /G
( OUTDOOR)
WIRI NG DIAGRAMWHITE
BLACK
WHITE
BLACK
1
BL UE
RED
Y/G
BROWNGREEN
XT2 2 - WAY TERMINAL
YKHA 18 (compact)Indoor unit
22 0 4209 2 76
Outdoor unit
RED( C)
TO I NDOOR UNIT
4- WAY VAL VE
TO I NDOOR UNI T
X T1XT2
T3 E
BROW
N
WHI TE
FANMOTOR
TEMP. S ENSOROF CONDENSATOR
XS1
XP1
WHITE
1 3 4
BLUE
(S.V
)
BLUE
(N)
BLUE
FANCAP ACIT 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 UNIT )
GREE
N
N
YKCA 18Indoor unit
K 3
XS6
XP6
D ISP LA Y B O AR D
CN 11 CN10 CN 4 C N1 5
RL 6
R T2
CN 9
CN 8
C N5 CN7 C N3 CN 2
CN12
CN1 CN14 CN16
T4
XP7
XS7
MR T1
B L AC KRE D
B L UER E D
R E DY& G
1 N 3 4 5X T1X T2
KM 1
Y& G
Y & G
P OWER
Y&G
L 1 N1 L N
CA P1
PU MP
F A N 1
CODE PART NAM ECAP1
CN1- 16
FAN1
K3
KM1
PUMP
M
RT2RT1
X P6, X P7
XT1 ,XT2T4
RL6 COMPRESSOR C ONTROL WI RE
I NDOO R F AN CAPA CITOR
P . C BOARD S OCK ETS
I NDOOR FA N
WAT ER L EVEL S ENS OR
REL AY
SWI NG MOTOR
PUM P
ROOM TEMPERATURE SENSOR
PIP E TEMPERATURE SENSOR
CONNECTORS
6 WAY TERMI NA LTRANSFORM ER
X S6, X S7 CONNECTORS
WIR IN G D IAG R A MIN DO O R U NIT
MAI N BOAR D
2204249000
T O O UT DO OR UN IT
Outdoor unit
N 3 4
FAN1
CAP1
COMP
C
X T1
SRWHI TE
CAP3
C O DE P A RT NA M E
COMP. CAPCAP1
OUTDOOR FANFAN1
OUTDOOR FAN CAPCAP3
XT1
CONNECTORXP1 XS1
COMPRESSORCOMP
T O I ND OO R U N IT
5- WAY TERMI NAL
RT3OUTDOOR PI PETEMP. SENSOR
Y /G
( OUTDOOR)
WIRI NG DI AGRAMWHI TE
BLACK
WHI TE
BLACK
1
BLUE
RED
Y/G
BROWNGREEN
XT2 2- WAY TERMI NAL
YKCA 24Indoor unit
RT 2 RT 1
Y/ G
TO WIRE CONTROLLER
X S1-XS7
X P1-XP7
CN1-20
RT2
RT1
T 4
X T1,XT2
CAP1
M
F AN1
N1 L NL1N 1L 2 3
K3
XT1X T2
P UMP
XT3
FAN 1
DI SPL AY B OA RD
M
CA P1
T 4
6-WAY TERMINA L
POWER TRANSFORMER
ROOM TEMPERATUR E
PIP E TEMPERATUR E
CONNECTOR S
CONNECTOR S
P.C BOARD SOCKETS
MAIN BOARD
Y /G
CN15CN1 0CN11
CN16CN14CN1CN 2CN3CN7CN5
CN8 CN12
P UM P
Y /G
K 3 WATER LEVEL SWIT CH
XP1
XS1
BLUE
BLA
CK
BLA
CK
XS7
T O OUTDOOR UNI T
WIRI NG DIAGRAM
XP7
XP 2
XS 2
T O OUT DOOR UNI T POWE R
BLA
CK
T3
3 -WAY TERMINALBLU
E
RED
COD E PART NAME
I NDOOR FA N MOTO R
SWING MOTOR
I NDOOR FA N CA PACIT OR
PUM P
CN20
( RED)
( WH I TE )
( RE D )
2 2 04 2 5 9 00 2
E
WHI
TE
Outdoor unit
TEMP.SE NSORRT3
C2 FAN CAP
PART NAMECODE
WIRING DIAGRAM
XT3
KM8COMP
CAP1
C
R S
RED
BLAC
K
XT7
XS1
RT3
XP1
COMP COMP
CAP1 COMP CAP
FAN2 OUTDOOR FAN
XT3 5-WAY T ERMINAL
XP1 CONNECTORSXS1 CONNECTORS
MID- TERMIANLXT7KM8 CONTACTOR
Y/G
XT4 6-WAY T ERMINAL
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 6XT4XT2
T3 E
TO I NDOOR UNIT TO I NDOOR UNIT TO I NDOOR UNIT
OUTDOOR UNIT
XT2 3-WAY TE RMINAL
BLACK
YKCA 36 (1 phase)Indoor unit
RT 2 RT 1
Y/ G
TO WI RE C ONTROLLER
N1 L NL1N 1L 2 3
K3
XT1X T2
F AN 1
DI SPL AY B OA RD
M
CA P1
T 4
MAI N BOARD
Y /G
CN15C N1 0C N11
CN 16CN14CN1CN 2CN3CN7CN5
CN8 CN12
P UM P
Y /G
XP1
XS1
BLU
EB
LAC
K
BLA
CK
XS7
T O OUTDOOR UNI T
WIRI NG DIAGRAM
XP7
XP 2
XS 2
T O OUT DOOR UNI T POWE R
BLAC
K
T3
BLU
E
RED
C N20
( RE D)
( WH I T E )
( RE D )
2 2 04 2 5 9 00 2
E
WHI
TE
Outdoor unit
TO I NDOOR UNIT
XS8XP8
RT3
FAN2
BLUE
BLUE
BLAC
K
C2
BLAC
K(L)
BLUE
(N)
XT8
TO I NDOOR U NIT
COMP
24622
A2A1
21531 S( T2)
CAP1
WHITE
BLACK( L)
BLUE
BLACK(C) R( T3)
CRANKCASE HEATER
Y&G
AC CONTACTOR
CONNECTOR
PI PE T EMPERATURE SENSOR
CONNECTOR
CONNECTOR
REVERSI NG VALVE
5- WAY BI GGER T ERMI NAL
OUTDOOR FAN CAPACI TOR
OUTDOOR FAN
CAPACITOR FOR COMP.
COMPRESSOR
PART NAME
WIRING DIA GRAM OUTDOOR U NIT
6- WAY TERMI NAL
P. C. BOARD TERMI NAL
P. C. BOARD SOCKETS
3- WAY TERMI NAL
XS8
XT5RED
RED
XT6
BLACK
BLUE( N)
Y&G
BLUE
(N)
BLUE
KM1H- PRO
K1
BLACK C(T1)
CODE
BLUE(N)
RED
HEAT
FAN2
COMP
CAP1
C2
S.V
H- PRO
K1
XP8
RT3
TO I NDOOR UNIT XT4
CN35~36
CN37~38
KM1
XT3
XT5, XT6
XT8
XT3
2207 559 033
BLAC
K
L- PRO
L- PRO
X S1-XS7
X P1-XP7
CN1-20
RT2
RT1
T 4
X T1,XT2
CAP1
M
F AN1
P UMP
XT3
6-WAY TERMINA L
POWER TRANSFOR MER
ROOM TEMPERATUR E
PIP E TEMPERATUR E
CONNECTOR S
CONNECTOR S
P.C BOARD SOCKETS
K 3 WATER LEVEL SWIT CH
3 -WAY TERMINAL
COD E PART NAME
I NDOOR FA N MOTO R
SWING MOTOR
INDOOR FA N CA PACIT OR
PUM P
YKCA 36 (3 phase)Indoor unit
C B A NC12 31 64 5
K3
XT1XT 2
F AN1
POWE R
DI SPLAY BOARD
M
CAP1
T4
MAI N CONTROL BOARD
Y/G
CN15CN10CN11
CN16CN14CN1CN2CN 3CN7
CN8 CN12
PUMP
Y/ G
XP1XS 1
BLUE
RED
XS 7
T O OUTDOOR UNITTO OUTDOOR UNIT
WI RI NG DI AGRAM
( I NDOOR UNI T)
XP 7
RT 2 RT 1
CN20 ( RED)
( WHI TE)
RED
(A1)
T O WI RE CONTROLLER
XS1- XS2, XS7
XP1- XP2, XP7
CN1- 16
RT 2RT 1
T4
XT 1, XT2
CAP1
M
FAN1
PUMP
6- WAY TERMI NAL
POWER TRANSFORME R
ROOM TEMPERATUREPI PE TEMPERATURE
CONNECTORSCONNECTORS
P. C BOARD SOCKET S
K3 WATERLEVEL SWI T CH
CODE PART NAME
I NDOOR F AN MOTOR
SWI NG MOTOR
I NDOOR FAN CAPACI TOR
PUMP
CN20 NET CONTROL I NTERFACE
22 04 27 9 00 2
Outdoor unit
YKCA 48Indoor unit
C B A NC12 31 64 5
K3
XT1XT 2
F AN1
POWE R
DI SPLAY BOARD
M
CAP1
T4
MAI N CONTROL BOARD
Y/G
CN15CN10CN11
CN16CN14CN1CN2CN 3CN7
CN8 CN12
PUMP
Y/ G
XP1XS 1
BLUE
RED
XS 7
T O OUTDOOR UNITTO OUTDOOR UNIT
WIRI NG DIAGRAM
( INDOOR UNIT)
XP 7
RT 2 RT 1
CN20 ( RED)
( WHI TE)
RED
(A1)
T O WI RE CONTROLLER
XS1- XS2, XS7
XP1- XP2, XP7
CN1- 16
RT 2RT 1
T4
XT 1, XT2
CAP1
M
FAN1
PUMP
6- WAY TERMINAL
POWERTRANSFORME R
ROOM TEMPERATUREPI PE TEMPERATURE
CONNECTORSCONNECTORS
P. C BOARD SOCKET S
K3 WATERLEVEL SWIT CH
CODE PART NAME
I NDOOR F AN MOTOR
SWI NG MOTOR
I NDOOR FAN CAPACI TOR
PUMP
CN20 NET CONTROL INTERFACE
22 04 27 9 00 2
Outdoor unit
BLUE( N)
B LACK
BL ACK( L3)BLACK( L2)
BLACK( L1)
BLACK ( L1)
BLACK( L2)BLACK( L3)
BLUE BLUE
BLUE( N)
RED
(A1)
BLA
CK(H
I)
BLACK( HI )
RED(
A1)
BLAC
K(L1
)
BLAC
K(L2
)BL
ACK(
L3)
BLUE
(N)
BLUE(N )
BLUE
(N)
B LUE
BLACK
BLACK
X T3XT421 3
XT6
A B NC
HEAT
U
Y/G
COMPW
21
V
22
CN100- 208 P. C. BOARD SOCKET S
T EMP. PROTECT SWI T CH
ROOM TEMP. SENSO R
TRANSFORME R
5- WAY TERMI NALXT3
T 5
RT4
K1
4- WAY T ERMI NA LCONNECTOR
HI GH PRESSURE SWI T CH
CRANK
AC CONTACTOR
PI PE TEMP. SENSOR
CONNECTORS
CURRENT DETECTOR
RT3
XP8-9
H- PR O
T201
XT5-7XT4
KM1
HEAT
MAI N CONTROL BOARD
RT3
CN20
6
CN201
XT5
XP8
XS8
CN100
CN20
8
CN200
K M1A1
31
5
A2246
CN2
03
T20 1
T5
WI RI NG DI AGRAM
FAN CAP.
COMPRESSOR
OUTDOOR F AN
PART NAMECOMPCODE
CONNECTORSXS8-9
FAN3
CAP 3
FAN3
CAP3
4
H- PRO K1
Y /G
RED( LOW)
RED
CN
9
L-P RO
YKHA 18Indoor unit:
RT 2
FAN1
DISPL AYBOARD
CAP1
MAIN CONTROL BOARD
Y/G
CN15CN10
Cn16CN1CN8
CN5
XP1XS1
RED
I NDOOR
WIRI NG DI AGRA M
TO OUT DOOR UNI T
XS2XP2
RL6
I NDOOR POWE R
WHITE
BLU
E
WHITE
CN 14
PUMPM
C N1 2
XS7
XP7
K 3
CN11
RT1
XS 3
XP3
2 20 4 2 4 9 0 03
N 1 L NL1N 31 4 5
XT1X T2
Y /G
GRE
EN
BRO
WN
RE
D
WHI
TEB
LAC
K
XT 3
WH
ITE(
T3)
BLA
CK(E
)
BLA
CK
BLU
E
KM1RED
BROWN
B LACK
RED
CN7 Cn3 CN2
Outdoor unit:
RED( C)
TO I NDOOR UNIT
4- WAY VAL VE
TO I NDOOR UNI T
X T1XT2T3 E
BRO
WN
WHI TE
FANMOTOR
TEMP. S ENSOROF CONDENSATOR
XS1
XP1
WHITE
1 3 4
BLUE
(S.
V)
BLUE
(N)
BLUE
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 )
GRE
EN
N
X S1-XS7
X P1-XP7
CN1-16
RT2
RT1
T 4
X T1,XT2
CAP1
M
F AN1
P UMP
XT3
6-WAY TERMINA L
POWER TRANSFORMER
ROOM TEMPERATUR E
PIP E TEMPERATUR E
CONNECTOR S
CONNECTOR S
P.C BOARD SOCKETS
K 3 WATER LEVEL SWIT CH
RELAY
XT3 3 -WAY TERMINAL
COD E PART NAME
I NDOOR FA N MOTO R
SWING MOTOR
I NDOOR FA N CA PACIT OR
PUM P
X S1- XS7
X P1- XP7
C N1- 20
R T2
R T1
T 4
X T1, XT2
C AP1
M
F AN1
N1 L NL1N 1L 2 3
K3
XT1XT2
P UMP
X T3
F AN 1
DI SPL AY BOARD
M
CAP 1
T4
6- WA Y T ERMI NAL
POWE R T RANSFORMER
ROOM TE MPERATURE
PI PE TE MPERATURE
CONNECT ORS
CONNECT ORS
P. C BOA RD SOCKETS
MAI N BOARD
Y/G
CN15CN 10CN11
CN16CN14CN1CN2C N3CN7CN5
CN8 CN12
PUMP
Y/ G
K 3 WATE RL EVE L S WI T CH
XP1
XS1
BLUE
(N)
BLAC
K(L)
BLAC
K(L)
BLAC
K(H
I)
X S7
T O OUTDOOR UNI T
WI RI NG DI AGRAM
BLUE
(S.
V)
X P7X P2
X S2
TO OUTDOOR UNI T POWE R
RED
WHIT
EBL
ACK
XT 3
WH
ITE(
T3)
BLAC
K(E)
3 - WAY T ERMIN ALRED(
LOW
)
BLUE
(N)
RED(
A1)
CODE P ART NA ME
I NDOOR FAN MOTOR
SWI NG MOTOR
I NDOOR FAN CAPACIT OR
PUMP
CN20
( RE D)
( WHI T E )
( RE D)
RED(
PRO.
)
2 20 4 2 09 4 1 4
Outdoor unit:
TO I NDOOR UN IT
TEMP. SENSORRT3
C2 FAN CAP
PART NAMECODE
WI RI NG DI AGRAM
XT3
KM8
COMP
CAP1
C
R S
RED
BLAC
K
XT7
XS1
RT3
XP1
COMP COMP
CAP1 COMP CAP
FAN2 OUTDOOR FANXT3 5- WAY TERMI NAL
XP1 CONNECTORS
XS1 CONNECTORS
MI D- TERMI ANLXT7KM8 CONTACTOR
Y/G
XT4 6- WAY TERMI NAL
L ( 1) N( 1)
C2
FAN2
M
RED
BLACK
BLACK
BLACK
BLACK
RED
RED
RED
REDRED
RED
Y/G
WHI
TE
BLU
E
1 2 3 4 5 6XT4
TO I NDOOR UNIT
XT 2T3 E
TO I NDOOR UNIT
OUTDOOR UNIT
XT2 3- WAY TERMI NAL
BLACK
2 20 753 90 15
YKHA 24 (1 phase)Indoor unit:
YKHA 36 (1 phase)Indoor unit:
L N2 31 64 5
K 3
XT1XT 2
FAN1
POWER
DI SPL AY BOARD
M
CA P1
T4
MAI N CONTROL BOARD
Y/G
CN15CN10CN11
CN16CN14CN 1CN2CN3CN 7
CN8 CN12
PUMP
Y/ G
XP1
XS 1
BL UE
BL AC K
XS7
TO OUTDOOR UNITTO OUTDOOR UNIT
WI RI NG DI AGRAM
( INDOOR UNI T)
XP7
RT2 RT 1
CN20 ( RED)
(WHI TE )
RED(
A1)
BLU
E(S.
V)
BLA
CK(H
I)RE
D(PR
O)
RED
(L0)
TO WI RE CONTROL LER
XS 1- XS 2, XS7
XP1- XP2, XP7
CN1- 16
RT2
RT1
T4
XT1, XT2
CAP1
M
FAN1
PUMP
6-WA Y TERMINAL
POWE R TRANSFORMER
ROOM T EMPE RATURE
PIP E T EMPE RATURE
CONNECTORS
CONNECTORS
P.C BOARD SOCK ETS
K3 WATE RLEVEL SWI TCH
CODE PA RT NAM E
INDOOR FAN MOT OR
SWING MOTO R
I NDOOR F AN CAP ACIT OR
PUMP
CN20 NET CONT ROL I NTE RFAC EREDWHI
TEB
LA
CK
XT3
BLA
CK(
E)W
HIT
E(T
3)
CN5
XP2X S2
22 04 20 9 41 3
XT3 SMALL 3- WA Y TERMIN AL
Outdoor unit:
L N
TO I NDOOR UNIT
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 IN DOOR U NIT
COMP24622
A2A1
2 1531 S
CAP1
WHI TE(S)
BLACK(L)
BLUE(R)
BLACK(C) R
CRAN KCASE HEATER
Y&G
AC CO NTACTOR
CONNECTOR
PIPET EMPERATURE SENSOR
CONNECTOR
CONNECTOR
REVER SING VALVE
5-WAY BIGGER TER MINAL
OUTD OOR FANCAPACITOR
OUTD OOR FAN
CAPAC ITOR FOR CO MP.
COMP RESSOR
PART NAME
WIRI NG DI AGRAMOUTDOOR UNIT
TEMPERATU REPRO TECT SW ITCH
PI PELIN EOV ERVOLTAG ESWI TCH
6-WAY TERMINAL
P.C.BO ARD TERMIN AL
P.C.BO ARD SOCKET 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- PRO
K1
XP8RT3
TO IN DOOR UNIT
1 2 3 4 5 6
XT4
XT4
CN35~ 36
CN37~ 38
KM1
XT3
XT5, X T6
XT8
XT3
2 20 75 5 9 2 01
BLA
CK
L- PRO
L- PRO PI PEL INE LO W VOL TA GE SWITC H
YKHA 36 (3 phase)Indoor unit:
RED(
A1)
BLUE
(S.V
)
BLAC
K(HI
)
RED(
PRO)
RED(
L0)
Outdoor unit:
FAN1
DIS PLAY BO ARD
CAP1
T4
MAI N CONTROL BOARD
CN15CN10
CN16CN1CN2CN3
CN7
XP1
XS1
TO OUTDOOR UNIT
Y/G
POWER
WHITE
( WHIT E)
WHI TE
I NDOOR WI RI NGDI AGRAM
CONNECTORS
CONNECTORS
PI PE TEMP. SENSORROOM TEMP. SENSOR
5-WAY TERMI NAL
P. C.B OARD SOCKETSTRANSFORMER
Y/G
GM1
CN13
L EVEL SW I NG M OT OR6 - WAY T ER MI NA L
COD E
I NDOOR F A N
I NDOOR F AN CAP.
PART NAME
X T1
RT2
XT1
RT1
XP1~3
XS1~3
CAP1
FAN1
CN1-C N24T4
GM1
A B C 1N
XT2
RED
BLAC
K
RED
GM2
CN12
( RED)
XP2XS2
XP3XS3
RT1RT2 GM2 P LUMB SW I NG M OT OR
T O WI RE CONT ROLLER
220444 9017
YKHA 48Indoor unit:
RED(
A1)
BLUE
(S.
V)
BLA
CK(H
I)
RED(
PRO)
RED
(L0)
Outdoor unit:
TO IN DOORTO IN DOOR
BLUE( N)
BLACK
BLUEWHI T E
RED
BLA CK(L 1)
BLACK( L2)BLACK( L3)
BLU E BL UE
BLUE (N)
BLUE(N)
RED
(A1
)
BLAC
K(H
I)
BL AC K( HI)
RED(
A1)
BLAC
K(L1
)
BLA
CK(
L2)
BLAC
K(L3
)BL
UE(N
)
BLUE( N)
BLU
E(N
)
BLUE
BLA CK
XT3XT421 3
XT7
XT6
A B NC
HEATT1
Y/G
COMPT3
21
T2
22
CN100-208 P. C. BOARD SOCKETSTEMP. PROTECT SWI TCH
ROOM TEMP. SENSOR
TRANSFORMER
5- WAY TERMI NALXT 3
T5
RT4
K 1
4- WAY TERMI NALCONNECTOR
HI GH PRESSURE SWI TCH
CRANKAC CONTACTOR
PI PE TEMP. SENSOR
CONNECTORS
CURRENT DETECTORRT3
XP8 -9
H-P RO
T201
XT5 -7
XT 4
KM 1
HEA T
MAI N CONTROL BOARD
RT3 CN2 01
XT5
CN1 00 CN200
KM1A1
31
5
A2246
T201
T5
WI RI NG DI AGRAM
FAN CAP.
COMPRESSOROUTDOOR FAN
PART NAMECOMP
COD E
CONNECTORSXS8 -9
FAN3
CAP3
FAN3
CAP 3
4
H- P RO K1
RT4
Y/ G
RED( LOW)
BLU
E
RED
S.V.BLUE
S.V 4- WAY VALVELOW PRESSURE S WI TCHL- PRO
BLU
E
YELL
OW
2 2 07 5 7 9 02 4
6. Capacity Tables
Model: YKCA-YKHA 18 (compact)
COOLING OUTDOOR TEMPERATURE DRY
Indoor
Conditions21ºC 25ºC 30ºC 35ºC 40ºC 45ºC
Total capacity kW 5.12 4.90 4.72 4.45 4.27 4.14
Sensitive capacity kW 4.10 3.92 3.78 3.56 3.42 3.3121ºC D
15ºC WInput kW. 1.29 1.48 1.66 1.85 2.03 2.21
Total capacity kW 5.61 5.36 5.17 4.88 4.68 4.53
Sensitive capacity kW 4.49 4.29 4.13 3.90 3.74 3.6324ºC D
17ºC WInput kW. 1.36 1.56 1.75 1.95 2.14 2.34
Total capacity kW 6.10 5.83 5.62 5.30 5.09 4.93
Sensitive capacity kW 4.88 4.66 4.49 4.24 4.07 3.9427ºC D
19ºC WInput kW. 1.44 1.64 1.85 2.05 2.26 2.46
Total capacity kW 7.01 6.70 6.46 6.10 5.85 5.67
Sensitive capacity kW 5.61 5.36 5.17 4.88 4.68 4.5332ºC D
23ºC WInput kW. 1.65 1.89 2.12 2.36 2.59 2.83
Model: YKHA 18 (compact)
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 10.35 8.28 6.90 6.21 5.87 5.18 4.83 4.4915ºC
Input kW. 3.54 2.83 2.36 2.24 2.12 2.00 1.89 1.65
Capacity kW 9.72 7.78 6.48 5.83 5.51 4.86 4.54 4.2118ºC
Input kW. 3.32 2.66 2.21 2.10 1.99 1.88 1.77 1.55
Capacity kW 9.00 7.20 6.00 5.40 5.10 4.50 4.20 3.9020ºC
Input kW. 3.08 2.46 2.05 1.95 1.85 1.74 1.64 1.44
Capacity kW 8.28 6.62 5.52 4.97 4.69 4.14 3.86 3.5922ºC
Input kW. 2.83 2.26 1.89 1.79 1.70 1.60 1.51 1.32
Capacity kW 7.20 5.76 4.80 4.32 4.08 3.60 3.36 3.1227ºC
Input kW. 2.46 1.97 1.64 1.56 1.48 1.39 1.31 1.15
Model: YKCA-YKHA 18
COOLING OUTDOOR TEMPERATURE DRY
Indoor
Conditions21ºC 25ºC 30ºC 35ºC 40ºC 45ºC
Total capacity kW 5.12 4.90 4.72 4.45 4.27 4.14
Sensitive capacity kW 4.10 3.92 3.78 3.56 3.42 3.3121ºC D
15ºC WInput kW. 1.26 1.44 1.62 1.80 1.98 2.16
Total capacity kW 5.61 5.36 5.17 4.88 4.68 4.53
Sensitive capacity kW 4.49 4.29 4.13 3.90 3.74 3.6324ºC D
17ºC WInput kW. 1.33 1.52 1.71 1.90 2.09 2.28
Total capacity kW 6.10 5.83 5.62 5.30 5.09 4.93
Sensitive capacity kW 4.88 4.66 4.49 4.24 4.07 3.9427ºC D
19ºC WInput kW. 1.40 1.60 1.80 2.00 2.20 2.40
Total capacity kW 7.01 6.70 6.46 6.10 5.85 5.67
Sensitive capacity kW 5.61 5.36 5.17 4.88 4.68 4.5332ºC D
23ºC WInput kW. 1.61 1.84 2.07 2.30 2.53 2.76
Model: YKHA 18
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 10.35 8.28 6.90 6.21 5.87 5.18 4.83 4.4915ºC
Input kW. 3.38 2.70 2.25 2.14 2.03 1.92 1.80 1.58
Capacity kW 9.72 7.78 6.48 5.83 5.51 4.86 4.54 4.2118ºC
Input kW. 3.18 2.54 2.12 2.01 1.91 1.80 1.69 1.48
Capacity kW 9.00 7.20 6.00 5.40 5.10 4.50 4.20 3.9020ºC
Input kW. 2.94 2.35 1.96 1.86 1.76 1.67 1.57 1.37
Capacity kW 8.28 6.62 5.52 4.97 4.69 4.14 3.86 3.5922ºC
Input kW. 2.70 2.16 1.80 1.71 1.62 1.53 1.44 1.26
Capacity kW 7.20 5.76 4.80 4.32 4.08 3.60 3.36 3.1227ºC
Input kW. 2.35 1.88 1.57 1.49 1.41 1.33 1.25 1.10
Model: YKCA-YKHA 24
COOLING OUTDOOR TEMPERATURE DRY
Indoor
Conditions21ºC 25ºC 30ºC 35ºC 40ºC 45ºC
Total capacity kW 7.05 6.75 6.50 6.13 5.89 5.70
Sensitive capacity kW 5.64 5.40 5.20 4.91 4.71 4.5621ºC D
15ºC WInput kW. 1.92 2.19 2.46 2.74 3.01 3.28
Total capacity kW 7.72 7.39 7.12 6.72 6.45 6.25
Sensitive capacity kW 6.18 5.91 5.70 5.37 5.16 5.0024ºC D
17ºC WInput kW. 2.02 2.31 2.60 2.89 3.18 3.47
Total capacity kW 8.40 8.03 7.74 7.30 7.01 6.79
Sensitive capacity kW 6.72 6.42 6.19 5.84 5.61 5.4327ºC D
19ºC WInput kW. 2.13 2.43 2.74 3.04 3.34 3.65
Total capacity kW 9.65 9.23 8.90 8.40 8.06 7.81
Sensitive capacity kW 7.72 7.39 7.12 6.72 6.45 6.2532ºC D
23ºC WInput kW. 2.45 2.80 3.15 3.50 3.85 4.20
Model: YKHA 24
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 14.32 11.45 9.55 8.59 8.11 7.16 6.68 6.2015ºC
Input kW. 5.09 4.07 3.39 3.22 3.05 2.88 2.71 2.37
Capacity kW 13.45 10.76 8.96 8.07 7.62 6.72 6.27 5.8318ºC
Input kW. 4.78 3.82 3.19 3.03 2.87 2.71 2.55 2.23
Capacity kW 12.45 9.96 8.30 7.47 7.06 6.23 5.81 5.4020ºC
Input kW. 4.43 3.54 2.95 2.80 2.66 2.51 2.36 2.07
Capacity kW 11.45 9.16 7.64 6.87 6.49 5.73 5.35 4.9622ºC
Input kW. 4.07 3.26 2.71 2.58 2.44 2.31 2.17 1.90
Capacity kW 9.96 7.97 6.64 5.98 5.64 4.98 4.65 4.3227ºC
Input kW. 3.54 2.83 2.36 2.24 2.12 2.01 1.89 1.65
Model: YKCA-YKHA 36
COOLING OUTDOOR TEMPERATURE DRY
Indoor
Conditions21ºC 25ºC 30ºC 35ºC 40ºC 45ºC
Total capacity kW 10.34 9.89 9.53 8.99 8.63 8.36
Sensitive capacity kW 8.27 7.91 7.62 7.19 6.90 6.6921ºC D
15ºC WInput kW. 2.77 3.17 3.56 3.96 4.36 4.75
Total capacity kW 11.32 10.83 10.43 9.84 9.45 9.15
Sensitive capacity kW 9.06 8.66 8.35 7.88 7.56 7.3224ºC D
17ºC WInput kW. 2.93 3.34 3.76 4.18 4.60 5.02
Total capacity kW 12.31 11.77 11.34 10.70 10.27 9.95
Sensitive capacity kW 9.84 9.42 9.07 8.56 8.22 7.9627ºC D
19ºC WInput kW. 3.08 3.52 3.96 4.40 4.84 5.28
Total capacity kW 14.15 13.54 13.04 12.31 11.81 11.44
Sensitive capacity kW 11.32 10.83 10.43 9.84 9.45 9.1532ºC D
23ºC WInput kW. 3.54 4.05 4.55 5.06 5.57 6.07
Model: YKHA 36
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 20.18 16.15 13.46 12.11 11.44 10.09 9.42 8.7515ºC
Input kW. 7.76 6.21 5.18 4.92 4.66 4.40 4.14 3.62
Capacity kW 18.95 15.16 12.64 11.37 10.74 9.48 8.85 8.2118ºC
Input kW. 7.29 5.83 4.86 4.62 4.37 4.13 3.89 3.40
Capacity kW 17.55 14.04 11.70 10.53 9.95 8.78 8.19 7.6120ºC
Input kW. 6.75 5.40 4.50 4.28 4.05 3.83 3.60 3.15
Capacity kW 16.15 12.92 10.76 9.69 9.15 8.07 7.53 7.0022ºC
Input kW. 6.21 4.97 4.14 3.93 3.73 3.52 3.31 2.90
Capacity kW 14.04 11.23 9.36 8.42 7.96 7.02 6.55 6.0827ºC
Input kW. 5.40 4.32 3.60 3.42 3.24 3.06 2.88 2.52
Model: YKCA-YKHA 48
COOLING OUTDOOR TEMPERATURE DRY
Indoor
Conditions21ºC 25ºC 30ºC 35ºC 40ºC 45ºC
Total capacity kW 13.62 13.03 12.55 11.84 11.37 11.01
Sensitive capacity kW 10.90 10.42 10.04 9.48 9.10 8.8121ºC D
15ºC WInput kW. 3.40 3.89 4.37 4.86 5.35 5.83
Total capacity kW 14.92 14.27 13.75 12.97 12.45 12.06
Sensitive capacity kW 11.93 11.42 11.00 10.38 9.96 9.6524ºC D
17ºC WInput kW. 3.59 4.10 4.62 5.13 5.64 6.16
Total capacity kW 16.22 15.51 14.95 14.10 13.54 13.11
Sensitive capacity kW 12.97 12.41 11.96 11.28 10.83 10.4927ºC D
19ºC WInput kW. 3.78 4.32 4.86 5.40 5.94 6.48
Total capacity kW 18.65 17.84 17.19 16.22 15.57 15.08
Sensitive capacity kW 14.92 14.27 13.75 12.97 12.45 12.0632ºC D
23ºC WInput kW. 4.35 4.97 5.59 6.21 6.83 7.45
Model: YKHA 48
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 26.91 21.53 17.94 16.15 15.25 13.46 12.56 11.6615ºC
Input kW. 9.49 7.59 6.33 6.01 5.69 5.38 5.06 4.43
Capacity kW 25.27 20.22 16.85 15.16 14.32 12.64 11.79 10.9518ºC
Input kW. 8.91 7.13 5.94 5.64 5.35 5.05 4.75 4.16
Capacity kW 23.40 18.72 15.60 14.04 13.26 11.70 10.92 10.1420ºC
Input kW. 8.25 6.60 5.50 5.23 4.95 4.68 4.40 3.85
Capacity kW 21.53 17.22 14.35 12.92 12.20 10.76 10.05 9.3322ºC
Input kW. 7.59 6.07 5.06 4.81 4.55 4.30 4.05 3.54
Capacity kW 18.72 14.98 12.48 11.23 10.61 9.36 8.74 8.1127ºC
Input kW. 6.60 5.28 4.40 4.18 3.96 3.74 3.52 3.08
7. Air Velocity and Temperature Distributions (Reference Data)
Discharge angle 60º
Airflowvelocity
Temperature
8. Electric Characteristics
Indoors power supply wiring
Indoor Units Power Supply Indoor fan motor Power input(W)Model
Hz Voltage Min. Max. MCA MFA kW FLA Cooling Heating
YKCA 18
YKCA 18
YKHA 18
YKCA 24
YKHA 24
YKCA 36
YKHA 36
YKCA 36
YKHA 36
YKCA 48
YKHA 48
(compact) 10.6 30 0.06 0.29 2050
YKHA 18 (compact) 10.6 30 0.06 0.29 2050 2100
12.4 30 0.10 0.35 2050
12.4 30 0.10 0.35 2050 2100
18.7 60 0.12 0.54 3000
18.7 60 0.12 0.54 3000 2950
26 80 0.14 0.62 4400
220-240 198 264
26 80 0.14 0.62 4400 4500
9.8 20 0.14 0.62 4400
9.8 20 0.14 0.62 4400 4500
11.5 30 0.14 0.62 5400
50
380 342 418
11.5 30 0.14 0.62 5400 5500
Symbols:
MCA: Min. Circuit Amps.
MFA: Max. Fuse Amps..
FLA: Full Load Amps.
Kw: Rate Motor Output
Notes:
5. Voltage range should not over the value of above table.
6. Maximum allowable voltage variation between phase is 2%
7. Selection wire size based on the larger value of MCA.
8. 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.
9. Sound Levels
1.0m
FOUR-WAY CASSETTE TYPE
Microphone
High speed airflow
Medium speed airflow
Low speed airflow
18000btu/h 24000btu/h 36000btu/h 48000btu/h
Octave band center frequency* Hz+
Soun
dpr
essu
rele
veld
B*
0dB
=0.0
002.
bar+
Audibility limits ofcontinuous whitesound
Octave band center frequency* Hz+
Soun
dpr
essu
rele
veld
B*
0dB
=0.
0002
.ba
r +
Audibility limits ofcontinuous whitesound
Noise level under three speeds of fanModel
H M L
YKCA-YKHA 18
YKCA-YKHA 24
YKCA-YKHA 36
YKCA-YKHA 48
43 41 38
43 41 38
46 44 41
46 44 41