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8. Electric Characteristics

Indoors power supply wiring

Indoor Units

Power Supply

Indoor fan motor

Power input(W)

Model

Voltage

Min. Max.

MCA

MFA

FLA

Cooling

Heating

YKCA 18

YKHA 18

YKCA 24

YKHA 24

YKCA 36

YKHA 36

YKCA 36

YKHA 36

YKCA 48

YKHA 48

(compact)

10.6

0.06

0.29

2050

YKHA 18 (compact)

10.6

0.06

0.29

2050

2100

12.4

0.10

0.35

2050

12.4

0.10

0.35

2050

2100

18.7

0.12

0.54

3000

18.7

0.12

0.54

3000

2950

0.14

0.62

4400

220-240

198

264

0.14

0.62

4400

4500

9.8

0.14

0.62

4400

9.8

0.14

0.62

4400

4500

11.5

0.14

0.62

5400

380

342

418

11.5

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.

Summary of Contents for YKCA-YKHA 18

Page 1: ...4 Way Cassette YKCA YKHA 18 to 48 SERVICE MANUAL YKCA YKHA 18 YKCA YKHA 24 YKCA YKHA 36 YKCA YKHA 48 SM YKCA YKHA 18 48GB 0508 ...

Page 2: ...r options A Standard B Low Ambient Kit C Power outdoor Omit for indoor units Indoors A Free matching multi S Single T Duct High Static U Duct standard case Compressor type A AC Inverter D DC Inverter F Fixed M Multi Family A Efficiency Ultra E Eco Ultra H Alps J Atlas K Cassette L Ultra M Multi Ultra R Multi Inverter V Inverter Ultra U Ducted unit O Floor Ceiling Type C Set Cooling only D Outdoor ...

Page 3: ...our Way Cassette Type 1 Features 2 Specification 3 Dimensions 4 Piping Diagrams 5 Wiring Diagrams 6 Capacity Tables 7 Air Velocity and Temperature Distributions 8 Electric Characteristics 9 Sound Levels ...

Page 4: ...hrough 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 instal...

Page 5: ... 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 ...

Page 6: ...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 6 Ø Ø Ø Ø 35 12 7 6 35 12 7 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 m 2 34 49 34 49 indoor ...

Page 7: ...ng 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 ...

Page 8: ...sign 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 m 2 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 te...

Page 9: ...tu 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 In...

Page 10: ...sign 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 Ø 16 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 m 2 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 te...

Page 11: ...uzhou 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 h...

Page 12: ...n pressure MPa 2 6 1 2 2 6 1 2 Liquid side mm inch 12 Ø 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 m 2 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 tem...

Page 13: ...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 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 2...

Page 14: ...n 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 19 Ø 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 m 2 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 tem...

Page 15: ...nd 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...

Page 16: ... 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...

Page 17: ...e 650 Panel 401 Hook location 611 Hook location 580 Body 422 28 5 600 Ceiling hole 650 Panel Drain side and Tubing 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 ...

Page 18: ...YKCA YKHA 36 YKCA YKHA 48 310 Pump inspect hole Drain hole Gas side E parts box liquid side 4 install hanger ...

Page 19: ...h Discharge temp sensor Muffle stop valve Throttle capiliary Check valve filter Cooling only T1 T2 T3 T4 Indoor units Outdoor 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 24 and accumulator is not included 2 For YKJ 36 and YKJ 48 check valve and auxi...

Page 20: ...PRE SSOR CONT ROL WIRE CON NECTORS 7 W AY TERMINAL COMP RESSOR RELAY W ATER LEVEL SENSOR PIPE TEMP ERATURE SENSOR ROOM TEMP ERATURE SENSOR I NDOOR FAN SW IN G MOTOR TRANSFORM ER CONNECTORS I NDOOR FAN C APACITOR NAME PUMP PUMP 2 N RED RED BLUE Y G W HI TE Outdoor unit N 3 4 FAN1 CAP1 COMP C XT1 S R WHITE CAP3 CODE PA RT NAME COMP CAP CAP1 OUTDOOR FAN FAN1 OUTDOOR FAN CAP CAP3 XT1 CONNECTOR XP1 XS1...

Page 21: ...Y VALVE TO I ND OOR UN I T X T 1 XT2 T3 E BROWN W HI T E FAN MO TOR TEMP S EN SO R OF C OND EN SATOR XS1 XP1 WH ITE 1 3 4 BLUE S V BLUE N BLUE FAN CA P A CIT O R BLAC K Y G C OMP RES S O R C BLUE R Y G R WH I TE S S C OM PR ESSOR C A PACI TOR W I RI NG DI A GRAM OUT DO OR U NIT GREEN N ...

Page 22: ...OCKETS I NDO OR FA N WA TER L EVEL S ENS OR REL AY SW I NG M OTOR PUM P RO OM TEMPERATURE SENSOR PIP E TEMPERATURE SENSOR CO NNECTORS 6 W AY TERMI N A L TRANSFORMER XS6 XS7 CO NNECTORS WIR IN G DIAGRAM IN DO OR UNIT MAI N BOARD 2204249000 TO OUT DOOR UNIT Outdoor unit N 3 4 FAN1 CAP1 COMP C XT1 S R W HI TE CAP3 C O DE PA RT NA M E COMP CAP CAP1 OUTDOOR FAN FAN1 OUTDOOR FAN CAP CAP3 XT1 CONNECTOR X...

Page 23: ...7 X P 2 X S 2 TOOUTDOO R UNI T POW ER BLA CK T3 3 WAY TERMINAL BLU E R ED COD E PART NAME I NDOOR FAN MOTO R SWIN G MOTOR I N DO OR FAN CAPACIT OR PU M P CN20 RED W H ITE RE D 2 2 04 2 5 9 00 2 E WH I T E Outdoor unit TEM P SE NSOR RT3 C2 FAN CAP PART NAME CODE WIRING DIAGRAM XT3 KM8 COMP C AP1 C R S RED BLACK XT7 XS1 RT3 XP1 COMP COMP CAP1 COMP CAP FAN2 OUT DOORFAN XT3 5 WAY T ERMINAL XP1 CON NEC...

Page 24: ...ET EM PER ATU RE SENSOR C ON NEC TOR C ON NEC TOR R EVERS I N G VALVE 5 W AY BI GG ERT ER M I NAL O UTDOO R FAN CA PACI TOR O UTDOO R FAN C APACITO R FOR CO M P C OM PRE SSOR PAR T NAME WIRING DIA GRAM OUTDO ORU NIT 6 W AY TERM I NAL P C BO AR D TERM I N AL P C BO AR D SOCK ETS 3 W AY TERM I NAL XS8 XT5 R ED R ED XT6 BLACK BLU E N Y G BLUE N BLU E KM1 H PRO K1 BLACK C T1 C ODE BLUE N R ED H EAT FA...

Page 25: ...T W I RI NG DI AGRAM I NDOOR UNI T XP7 RT2 R T1 CN20 RED W HI TE RED A1 T O WI RE CONTRO LLER XS1 XS2 XS7 XP1 XP2 XP7 CN1 16 RT2 RT1 T4 XT1 XT2 CAP 1 M FAN 1 PUM P 6 W AY TERM I NAL POW ER TRANSFORM ER ROO M TEMPERATURE PI PE TEMPERATURE CONNECTORS CO NNEC TORS P C BOARD SOCKETS K3 W ATERLEVEL SW I TCH CODE PART NAME I NDOO R FAN MOTOR SWI NG M OTOR I NDO OR FAN CAPACI TOR PUMP CN20 NET CONTROL I ...

Page 26: ...ROL INTERFACE 22 04 279 00 2 Outdoor unit BLUE N BLACK BL ACK L3 BLAC K L2 BLACK L1 BLAC K L1 BLACK L2 BLA CK L3 BLUE BLUE BLUE N RED A1 B LAC K HI BLACK H I RED A 1 BLACK L1 BLACK L2 BLACK L3 BLUE N BLUE N BLUE N BLUE BLACK BLACK XT3 XT4 2 1 3 XT6 A B N C HEAT U Y G CO MP W 21 V 22 CN100 208 P C BO ARD SO CKETS TEM P PROTECT SW ITCH ROOM TEMP SENSOR TRANSFORM ER 5 W AY TERM I NAL XT3 T5 R T4 K1 4...

Page 27: ...it RED C TO I N DOO RUNIT 4 W AY VAL VE TO I ND OOR UN IT X T 1 XT2 T3 E BROWN W HI T E FAN MO TOR TEMP S ENSO R OF COND ENSATOR XS1 XP1 WH ITE 1 3 4 BLUE S V BL UE N BLUE FAN CA P A CIT O R BLAC K Y G COMP RES S O R C BLUE R Y G R WH I TE S S COM PR ESSOR C A PACI TOR W I RI NG DI A GRAM OUTDO OR U NIT GRE EN N XS1 XS7 XP1 XP7 CN1 16 RT2 RT1 T 4 XT1 XT2 CAP1 M F AN1 PUMP XT3 6 WAY TERMIN A L POWE...

Page 28: ... K XT 3 W HITE T3 BL A CK E 3 WAY T ERMIN AL RED LOW BL UE N RED A1 CODE P ART NAME I NDOOR FAN MOTOR SW ING MOTOR I NDOOR FAN CAPACIT OR PUMP CN20 RE D W HI T E RE D R ED PRO 220 4 209 4 1 4 Outdoor unit TO I N DOO R U N I T TEMP SENSOR RT3 C2 FAN CAP PART NAME CODE W I RI NG DI AGRAM XT3 KM8 CO MP CAP1 C R S RED BLACK XT7 XS1 RT3 XP1 COMP COMP CAP1 COMP CAP FAN2 OUTDOOR FAN XT3 5 W AY TERMI NAL ...

Page 29: ...0 9 41 3 XT3 S MALL 3 W A Y TERMIN AL Outdoor unit L N TO INDOOR UNIT XS8 XP 8 RT3 FAN 2 BLUE B LUE BLA CK C2 BLACK L BLACK L BLU E N XT8 T3 E TO IN DOO R U NIT CO MP 2 4 6 22 A2 A1 2 1 5 3 1 S CAP1 W HI TE S BLACK L BLUE R BLACK C R CRAN KCASE HEATER Y G AC CO NT ACTOR CONNEC TOR PIPET EM PERATURE S ENSOR CONNEC TOR CONNEC TOR REVER SING VALVE 5 WAY BI GGER TER MINAL OUTD OOR FANCAPACITOR OUTD OO...

Page 30: ... NDOO R WI RI NG DI AG RAM CONNECTORS CONNECTORS PI PE TEMP SENSOR ROOM TEMP SENSOR 5 WAY TERM I NAL P C B OAR D SOCKETS TRANSFORM ER Y G GM1 CN13 L EVEL SW I N G M O T OR 6 W AY T ER M I N A L CO D E I N DOO R F A N I NDOO R F A N CAP PART NA ME X T 1 RT2 XT1 RT1 XP1 3 XS1 3 CAP1 FAN1 CN1 C N24 T4 GM1 A B C 1 N XT2 RED BLACK RED GM2 C N12 RED XP2 XS2 XP3 XS3 RT1 RT2 GM2 P LUM B SW I NG M O T OR T...

Page 31: ...KETS TEMP PROTECT SW I TCH ROO MTEMP SENSOR TRANSFORMER 5 W AY TERMI NAL X T 3 T5 RT4 K 1 4 W AY TERMINAL CO NNECTOR HIGH PRESSURE SW ITCH CRANK AC CO NTACTOR PI PE TEMP SENSOR CONNECTORS CURRENT DETECTOR R T3 X P8 9 H PRO T201 X T5 7 X T 4 K M 1 H EA T MAI N CONTROL BOARD RT3 CN2 01 XT5 CN1 00 CN200 KM1 A1 3 1 5 A2 2 4 6 T201 T5 WI RI NG DIAGRAM FAN CAP COM PRESSOR O UTDOO R FAN PART NAM E C OMP ...

Page 32: ...6 10 5 85 5 67 Sensitive capacity kW 5 61 5 36 5 17 4 88 4 68 4 53 32ºC D 23ºC W Input 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 49 15ºC Input kW 3 54 2 83 2 36 2 24 2 12 2 00 1 89 1 65 Capa...

Page 33: ... 5 67 Sensitive capacity kW 5 61 5 36 5 17 4 88 4 68 4 53 32ºC D 23ºC W Input 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 49 15ºC Input kW 3 38 2 70 2 25 2 14 2 03 1 92 1 80 1 58 Capacity kW 9 72 7 78...

Page 34: ...81 Sensitive capacity kW 7 72 7 39 7 12 6 72 6 45 6 25 32ºC D 23ºC W Input 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 20 15ºC Input kW 5 09 4 07 3 39 3 22 3 05 2 88 2 71 2 37 Capacity kW 13 45 10 76...

Page 35: ...4 Sensitive capacity kW 11 32 10 83 10 43 9 84 9 45 9 15 32ºC D 23ºC W Input 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 75 15ºC Input kW 7 76 6 21 5 18 4 92 4 66 4 40 4 14 3 62 Capacity kW 18 95...

Page 36: ... 08 Sensitive capacity kW 14 92 14 27 13 75 12 97 12 45 12 06 32ºC D 23ºC W Input 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 66 15ºC Input kW 9 49 7 59 6 33 6 01 5 69 5 38 5 06 4 43 Capacity k...

Page 37: ...7 Air Velocity and Temperature Distributions Reference Data Discharge angle 60º Airflowvelocity Temperature ...

Page 38: ...4 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...

Page 39: ...e band center frequency Hz Sound pressure level dB 0dB 0 0002 bar Audibility limits of continuous white sound Octave band center frequency Hz Sound pressure level dB 0dB 0 0002 bar Audibility limits of continuous white sound Noise level under three speeds of fan Model 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 ...

Page 40: ...lll _d chdcXdcigdah Xdb SM YKCA YKHA 18 48GB 0508 ...

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