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Section

85464849144001

REFERENCE NO.

830044

FILE NO.

INDOOR MODEL No.

PRODUCT CODE No.

OUTDOOR MODEL No.

PRODUCT CODE No.

SPW-D253G56

854 012 58

SPW-C253G5

854 012 22

SPW-C253G5/M

854 012 65

SPW-D273G56

854 012 64

SPW-C253G8

854 012 23

SPW-C253G8/M

854 012 68

SPW-D363G56

854 012 59

SPW-C363G5

854 012 25

SPW-C363G5/M

854 012 66

SPW-C363G8

854 012 26

SPW-C363G8/M

854 012 70

SPW-D483G56

854 012 60

SPW-C483G8

854 012 27

SPW-C483G8/M

854 012 67

NOTE) Models which does not have the alphabet “ /M” behind outdoor Model No. comply

with the European regulations.

0408_C_S

0409_C_S

SPW-C363G5

SPW-C363G5/M

SPW-C363G8

SPW-C363G8/M

SPW-C483G8

SPW-C483G8/M

Indoor Unit

Outdoor Unit

SPW-D253G56
SPW-D273G56
SPW-D363G56
SPW-D483G56

SERVICE MANUAL

SPW-D253G56 ⁄ SPW-C253G5 (/M), SPW-C253G8 (/M)
SPW-D273G56 ⁄ SPW-C253G5 (/M)
SPW-D363G56 ⁄ SPW-C363G5 (/M), SPW-C363G8 (/M)
SPW-D483G56 ⁄ SPW-C483G8 (/M)

SPLIT SYSTEM AIR CONDITIONER

SPW-C253G5

SPW-C253G5/M

SPW-C253G8

SPW-C253G8/M

Содержание 854 012 22

Страница 1: ...M 854 012 70 SPW D483G56 854 012 60 SPW C483G8 854 012 27 SPW C483G8 M 854 012 67 NOTE Models which does not have the alphabet M behind outdoor Model No comply with the European regulations 0408_C_S 0409_C_S SPW C363G5 SPW C363G5 M SPW C363G8 SPW C363G8 M SPW C483G8 SPW C483G8 M Indoor Unit Outdoor Unit SPW D253G56 SPW D273G56 SPW D363G56 SPW D483G56 SERVICE MANUAL SPW D253G56 SPW C253G5 M SPW C25...

Страница 2: ...e site when finished servicing Don t forget to check that no metal scraps or bits of wiring have been left inside the unit IMPORTANT Please Read Before Starting This air conditioning system meets strict safety and operating standards As the installer or service person it is an important part of your job to install or service the system so it operates safely and efficiently For safe installation an...

Страница 3: ...n go directly to the procedures and information he needs the less experienced technician will better understand what to do even before he arrives on the job and therefore be better able to work by himself as well as assist the more experienced technician TABLE OF CONTENTS 1 SPECIFICATIONS 7 1 1 Unit Specifications 8 1 2 Major Component Specifications 14 A Indoor Unit 14 B Outdoor Unit 17 1 3 Other...

Страница 4: ...ICE PROCEDURES 49 4 1 Troubleshooting 50 4 2 A Sensor is Defective 61 4 3 Operation of Major Electrical Parts 61 4 4 Checking the Electrical Components 62 5 INSTRUCTION MANUAL 67 5 1 Wired Remote Controller RCS U251G 68 ...

Страница 5: ...ation to help you set up and maintain the unit When this unit is not working properly and the cause is not known you can use the procedures in Section 3 Servicing Procedures to find the problem fix it and restore the unit to its proper functioning This air conditioner has many helpful self diagnostic features to help you identify problem areas quickly So you will be ready when a problem happens we...

Страница 6: ... 6 SM830044 ...

Страница 7: ...2 Major Component Specifications 14 A Indoor Unit 14 B Outdoor Unit 17 1 3 Other Component Specifications 20 A Indoor Unit 20 B Outdoor Unit 21 1 4 Dimensional Data 22 A Indoor Unit 22 B Outdoor Unit 23 1 5 Refrigerant Flow Diagram 25 1 6 Operating Range 26 1 ...

Страница 8: ... Limit of tubing length m ft 40 131 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 40 131 between the two units Outdoor unit is lower than indoor unit 25 82 Refrigerant tube Narrow tube mm in 6 35 1 4 outer diameter Wide tube mm in 15 88 5 8 Refrigerant amount at shipment kg R22 2 4 DIMENSIONS WEIGHT Indoor unit Outdoor unit...

Страница 9: ...EFRIGERANT TUBING Limit of tubing length m ft 40 131 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 40 131 between the two units Outdoor unit is lower than indoor unit 25 82 Refrigerant tube Narrow tube mm in 6 35 1 4 outer diameter Wide tube mm in 15 88 5 8 Refrigerant amount at shipment kg R22 2 4 DIMENSIONS WEIGHT Indoor ...

Страница 10: ...imit of tubing length m ft 50 164 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 50 164 between the two units Outdoor unit is lower than indoor unit 30 98 Refrigerant tube Narrow tube mm in 9 52 3 8 outer diameter Wide tube mm in 19 05 3 4 Refrigerant amount at shipment kg R22 4 2 DIMENSIONS WEIGHT Indoor unit Outdoor unit U...

Страница 11: ...g length m ft 40 131 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 40 131 between the two units Outdoor unit is lower than indoor unit 25 82 Refrigerant tube Narrow tube mm in 6 35 1 4 outer diameter Wide tube mm in 15 88 5 8 Refrigerant amount at shipment kg R22 2 4 DIMENSIONS WEIGHT Indoor unit Outdoor unit Unit dimension...

Страница 12: ... tubing length m ft 50 164 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 50 164 between the two units Outdoor unit is lower than indoor unit 30 98 Refrigerant tube Narrow tube mm in 9 52 3 8 outer diameter Wide tube mm in 19 05 3 4 Refrigerant amount at shipment kg R22 4 0 DIMENSIONS WEIGHT Indoor unit Outdoor unit Unit dim...

Страница 13: ...RANT TUBING Limit of tubing length m ft 50 164 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 50 164 between the two units Outdoor unit is lower than indoor unit 30 98 Refrigerant tube Narrow tube mm in 9 52 3 8 outer diameter Wide tube mm in 19 05 3 4 Refrigerant amount at shipment kg R22 4 3 DIMENSIONS WEIGHT Indoor unit O...

Страница 14: ...r mm Centrifugal 1 ø 220 Fan Motor Model Nominal output W KFC4X 201B5P 200 W Source 220 230 240 V 1 phase 50 Hz No of pole r p m 230 V High rpm 4 1 004 Coil resistance Ω BRN WHT 13 75 ORG YEL 2 21 Ambient temperature 20 C WHT VLT 4 47 YEL BLK 10 33 VLT ORG 1 20 BLK PNK 12 90 Safety device Operating temperature Open C 130 8 C Close C 79 15 C Run capacitor VAC µF 440 V 5 0 µF Heat exchanger Coil Alu...

Страница 15: ...ber diameter mm Centrifugal 1 ø 220 Fan Motor Model Nominal output W KFC4X 201B5P 200 W Source 220 230 240 V 1 phase 50 Hz No of pole r p m 230 V High rpm 4 1 134 Coil resistance Ω BRN WHT 13 75 ORG YEL 2 21 Ambient temperature 20 C WHT VLT 4 47 YEL BLK 10 33 VLT ORG 1 20 BLK PNK 12 90 Safety device Operating temperature Open C 130 8 C Close C 79 15 C Run capacitor VAC µF 440 V 7 0 µF Heat exchang...

Страница 16: ...er mm Centrifugal 1 ø 250 Fan Motor Model Nominal output W KFC4Q 401A5P 400 W Source 220 230 240 V 1 phase 50 Hz No of pole r p m 230 V High rpm 4 1 077 Coil resistance Ω BRN WHT 11 05 ORG YEL 4 57 Ambient temperature 20 C WHT VLT 1 80 YEL PNK 7 70 VLT ORG 1 00 Safety device Operating temperature Open C 130 8 C Close C 79 15 C Run capacitor VAC µF 440 V 7 µF 2 Heat exchanger Coil Aluminum plate fi...

Страница 17: ...ting temperature Open C 160 5 150 10 175 5 Close C 87 9 63 10 105 9 Run capacitor V µF 400V 40 High pressure switch ACB 1TB07 Set pressure OFF kg cm2 30 ON kg cm2 24 2 0 Fan Number diameter mm Propeller 1 ø 460 Propeller 2 ø 460 Fan motor Model Nominal output W KFC6S 91C5P 100 W KFC6S 91C5P X 2 100 W X 2 No of pole rpm 230V High rpm 6 868 6 871 Coil resistance Ω BRW WHT 61 0 Ambient temperature 20...

Страница 18: ...models FMSA 1SZ607A Operating temperature Open C 120 5 Close C 98 11 Operating ampere at 25 C A 6A 110 Run capacitor V µF High pressure switch ACB 1TB07 Set pressure OFF kg cm2 30 ON kg cm2 24 2 0 Fan Number diameter mm Propeller 1 ø 460 Fan motor Model Nominal output W KFC6S 91C5P 100 W No of pole rpm 230 V High rpm 6 868 Coil resistance Ω BRW WHT 61 0 YEL PNK 17 7 Ambient temperature 20 C WHT YE...

Страница 19: ...s Internal type External type Internal type External type Overload relay models FMSA 1SZ607A FMSA 1SZ607A Operating temperature Open C 120 5 130 Close C 98 11 61 Operating ampere at 25 C A 6 A 110 10 A 110 Run capacitor V µF High pressure switch ACB 1TB07 Set pressure OFF kg cm2 30 ON kg cm2 24 2 0 Fan Number diameter mm Propeller 2 ø460 Fan motor Model Nominal output W KFC6S 91C5PX2 100WX2 No of ...

Страница 20: ...r ATR I75B Rated Primary AC 230 V 50 Hz Secondary 10 6 V 0 93 A Capacity 9 85 VAC Coil resistance Ω WHT WHT 96 5 BRN BRN 0 8 at 20 C Thermistor cut off temperature C 150 Thermistor Coil sensor PBC 41E S36 Coil resistance kΩ 10 C 23 7 5 C 12 1 5 C 18 8 10 C 9 7 0 C 15 0 15 C 8 0 Float switch FS 3502 204 Rated Contact rated AC 230 V 50 W MODEL No ...

Страница 21: ...l resistance kW 15 5 20 Contact rated A AC 250 V 10A Relay RDR S400 Rated voltage V AC 380 415 V 3 phase 50 Hz Resistance at 20 C kΩ R T 76 3 Thermostat Coil sensor YTB S377 Operating Temperature C 27 5 1 5 OFF High 25 5 ON Low Contact rated AC 250 V 1 A MODEL No SPW C253G5 SPW C363G5 SPW C253G5 M SPW C363G5 M Compressor Motor Mgnetic Contactor FMCA 1SZ607 Coil rated AC 220 240 V 50 Hz Coil resist...

Страница 22: ... 16 ø3 2 Electric box 22 ø3 2 Hole for full circumference Hole for full circumference 274 100 1010 15 10 620 55 55 100 100 Refrigerant liquid line Refrigerant gas line Power supply entry Drain connection 20 A VP20 Duct connection for suction Duct connection for discharge 25 27 36 type 48 type A 420 450 B 395 425 C 68 98 Ref gas line Ref liquid line ø 15 88 25 27 type 36 48 type ø 6 35 ø 19 05 ø 9 ...

Страница 23: ...imension mm Hole for anchor bolt 4 ø13 Refrigerant tube joint narrow tube Flare connection 1 4 in 6 35 mm Refrigerant tube joint wide tube Flare connection 5 8 in 15 88 mm Refrigerant tubing inlet Power supply inlet 0411_C_S Fig 3 1 4 Dimensional Data B Outdoor Unit SPW C253G5 SPW C253G5 M SPW C253G8 SPW C253G8 M ...

Страница 24: ...bolt 4 ø13 Refrigerant tube joint narrow tube Flare connection 3 8 in 9 52 mm Refrigerant tube joint wide tube Flare connection 3 4 in 19 05 mm Refrigerant tubing inlet Power supply inlet 0412_C_S Fig 4 1 4 Dimensional Data B Outdoor Unit SPW C363G5 SPW C363G5 M SPW C363G8 SPW C363G8 M SPW C483G8 SPW C483G8 M ...

Страница 25: ...ssor Accumulator Capillary Sub condenser Wide tube service valve 0605_X_S Narrow tube service valve Strainer Strainer 1 5 Refrigerant Flow Diagram Indoor Unit SPW D253G56 Outdoor Unit SPW C253G5 SPW C253G5 M SPW D273G56 SPW C253G8 SPW C253G8 M O D 15 88 mm 5 8 Evaporator Capillary O D 6 35 mm 1 4 Condenser Compressor Accumulator Capillary Sub condenser Wide tube service valve Narrow tube service v...

Страница 26: ... C DB 22 5 C WB 52 C DB Minimum 19 C DB 14 C WB 19 C DB 1 5 Refrigerant Flow Diagram Indoor Unit SPW D483G56 Outdoor Unit SPW C483G8 SPW C483G8 M O D 19 05 mm 3 4 Evaporator Capillary O D 9 52 mm 3 8 Condenser HP High pressure switch Compressor Accumulator Sub condenser Wide tube service valve 0606_X_S Narrow tube service valve Strainer ...

Страница 27: ... 27 2 2 Processes and functions SM830044 2 Processes and functions 2 PROCESSES AND FUNCTIONS 2 1 Room Temperature Control 28 2 2 Freeze Prevention 29 2 3 Outdoor Fan Control 29 ...

Страница 28: ...cooling cycle the control circuit stops the compressor for 3 minutes For 5 minutes after the compressor is first turned on and for 3 minutes after it is turned off the compressor is not controlled by the room sensor Thermo ON When room temperature rises 0 5 C above the set temperature T T 0 5 C Compressor ON Thermo OFF When the room temperature is equal to or below the set temperature T Compressor...

Страница 29: ...FF OFF INDOOR COIL TEMPERATURE MORE THAN 10 MINUTES FREEZE PREVENTION 6 MINUTES 10 MINUTES FREEZE PREVENTION 6 MINUTES THERMO OFF THERMO ON 1 C ON ON ON ON ON ON 0608_X_S SET SPEED 2 3 Outdoor Fan Control In low outdoor temperature the outdoor fan is set automatically from HIGH to LOW to prevent the indoor heat exchanger from freezing When the outdoor temperature falls below 25 5 C the outdoor fan...

Страница 30: ... 30 SM830044 2 2 Processes and functions ...

Страница 31: ... 31 SM830044 3 3 Electrical data 3 ELECTRICAL DATA 3 1 Indoor Unit Electric Wiring Diagram Schematic Diagram 32 3 2 Outdoor Unit Electric Wiring Diagram Schematic Diagram 38 ...

Страница 32: ...49FI BLK BLK RED WHT BRN Connector 9P WHT 1 2 3 4 5 6 7 8 1 P S 2 3 4 5 6 7 8 9 9 YEL ORG VLT WHT GRY GRY PNK BRN BLK Connector 4P WHT 1 S P 1 VLT WHT ORG PNK FMI PNK BRN 7 8 3 1 4 2 6 5 2Z 7 8 3 1 4 2 6 5 1Z 7 8 3 1 4 2 6 5 3Z 3 1 GRY GRY BRN BRN PNK PNK PNK 2 2 3 3 4 4 3 1 7 5 BRN VLT WHT ORG PNK BRN VLT WHT ORG PNK WHT RED F0 3 1 3 1 GRN YEL 2P RED TH1 TH1 Coil Controller CR X363GS E SUP 5P WHT...

Страница 33: ... RY2 RY2 RY1 RY4 RY5 49FI 49FMI 49FMI F1 3 15A 4P 1 4P 4 4P 2 H DP 1Z M L 2Z 3Z 9 3 F0 6 3A Symbols Description FMI 49FI RC1 F0 F1 FS TR RY1 2 4 5 IZ 3Z TH1 TH2 CR X363GS RCS Indoor Fan Motor Indoor Motor Thermal Protector Running Capacitor Fuse Float Switch Power Transformer Auxiliary Relay Auxiliary Relay Thermistor Indoor Coil Room Thermistor Indoor Controller Remote Control Switch Terminal Pla...

Страница 34: ...LK RED WHT BRN Connector 9P WHT 1 2 3 4 5 6 7 8 1 P S 2 3 4 5 6 7 8 9 9 YEL ORG VLT WHT GRY GRY PNK BRN BLK Connector 4P WHT 1 S P 1 VLT WHT ORG PNK FMI PNK BRN 7 8 3 1 4 2 6 5 2Z 7 8 3 1 4 2 6 5 1Z 7 8 3 1 4 2 6 5 3Z 3 1 GRY GRY BRN BRN PNK PNK PNK 2 2 3 3 4 4 3 1 7 5 BRN VLT WHT ORG PNK BRN VLT WHT ORG PNK WHT RED F0 3 1 3 1 GRN YEL 2P RED TH1 TH1 Coil Controller CR X363GS E SUP 5P WHT 49FMI 3P ...

Страница 35: ...Y1 RY4 RY5 49FI 49FMI 49FMI F1 3 15A 4P 1 4P 4 4P 2 H DP 1Z M L 2Z 3Z 9 3 F0 6 3A Symbols Description FMI 49FI RC1 F0 F1 FS TR RY1 2 4 5 IZ 3Z TH1 TH2 CR X363GS RCS Indoor Fan Motor Indoor Motor Thermal Protector Running Capacitor Fuse Float Switch Power Transformer Auxiliary Relay Auxiliary Relay Thermistor Indoor Coil Room Thermistor Indoor Controller Remote Control Switch Terminal Plate Connect...

Страница 36: ... RED WHT BRN Connector 8P WHT 1 2 3 4 5 6 7 8 1 P S 2 3 4 5 6 7 8 YEL ORG VLT WHT GRY GRY PNK BRN Connector 4P WHT 1 S P 1 VLT WHT ORG PNK FMI PNK BRN 7 8 3 1 4 2 6 5 2Z 7 8 3 1 4 2 6 5 1Z 7 8 3 1 4 2 6 5 3Z 3 1 GRY GRY BRN BRN PNK PNK PNK 2 2 3 3 4 4 3 1 7 5 BRN VLT WHT ORG PNK BRN VLT WHT ORG PNK WHT RED F0 3 1 3 1 GRN YEL 2P RED TH1 TH1 Coil Controller CR X363GS E SUP 5P WHT 49FMI 3P WHT M COM ...

Страница 37: ...Y1 RY4 RY5 49FI 49FMI 49FMI F1 3 15A 4P 1 4P 4 4P 2 H DP 1Z M L 2Z 3Z 8 3 F0 6 3A Symbols Description FMI 49FI RC0 RC1 F0 F1 FS TR RY1 2 4 5 IZ 3Z TH1 TH2 CR X363GS RCS Indoor Fan Motor Indoor Motor Thermal Protector Running Capacitor Fuse Float Switch Power Transformer Auxiliary Relay Auxiliary Relay Thermistor Indoor Coil Room Thermistor Indoor Controller Remote Control Switch Terminal Plate Con...

Страница 38: ...tor 2P WHT 63PH 31 32 13 14 T W S V R U A B OLR P S Earth Terminal C R S GRN YEL GRN YEL GRN YEL 52C 5 7 8 1 3 Relay 1 2 1 2 6 2 4 1Y Power Supply 50Hz 1ø 220 V To Indoor Unit Terminal Plate 1 2 4 L N WHT PNK WHT PNK WHT WHT RED BRN RED WHT BLK WHT BLU RED RED WHT Electric Wiring Diagram W 854 2 5268 461 00 1 C253G5 P S C H L 23S YEL WHT GRY BRN PNK RED RED ...

Страница 39: ...ematic Diagram S 854 2 5268 461 00 1 C253G5 Symbols Description CM FM 52C 63PH 23S C1 2 OLR 1Y Compressor motor Fan Motor Compressor Motor Magnetic Contactor High Pressure Switch Fan Speedcontrol Thermostat Capacitor Overload relay Auxiliary Relay Connector Terminal Plate 3 2 Outdoor Unit 1 1 1 1 1 SPW C253G5 SPW C253G5 M ...

Страница 40: ...L GRN YEL GRN YEL 52C 5 7 8 1 3 Relay 1 2 1 2 6 2 4 2Y Power Supply 50Hz 1ø 220 V To Indoor Unit Terminal Plate 1 2 4 L N WHT PNK WHT PNK WHT WHT RED BRN WHT BLK WHT BLU RED RED RED WHT Electric Wiring Diagram W 854 2 5268 463 00 2 C363G5 P S YEL WHT GRY BRN PNK FM2 C2 YEL WHT GRY BRN PNK 4 5 4 5 2 3 2 3 1 1 Connector 6P WHT P S YEL WHT GRY BRN PNK RED TH BLK WHT Relay 3 8 7 1 4 5 1Y 2 6 C H L 23S...

Страница 41: ... 6 C L C3 TH 52C H 23S 5 4 1 2 3 1Y FM1 CM 3 1 5 5 4 1 2 3 W T 52C Schematic Diagram S 854 2 5268 463 00 2 C363G5 Symbols Description CM FM1 2 52C 63PH 23S C1 2 3 TH 1Y 2Y Compressor motor Fan Motor Compressor Motor Magnetic Contactor High Pressure Switch Fan Speedcontrol Thermostat Capacitor Thermistor Auxiliary Relay Connector Terminal Plate ...

Страница 42: ...H 31 32 13 14 T W S V R U 6 4 2 A B 95 96 51C C P S H L 23S 49C Earth Terminal R S T GRN YEL GRN YEL GRN YEL 52C 4 6 3 5 8 Relay S B A T R C 7 1 2 1 2 1Y 47C Power Supply 50Hz 3ø 380 V 415 V To Indoor Unit Terminal Plate 1 2 4 5 6 7 8 L1 L2 L3 N PNK BRN ORG WHT WHT PNK PNK BLU RED PNK YEL RED WHT BLU ORG RED WHT WHT BLU RED RED GRY WHT ORG Electric Wiring Diagram W 854 2 5268 458 00 0 C253G8 ...

Страница 43: ...chematic Diagram S 854 2 5268 458 00 0 C253G8 Symbols Description CM FM 52C 51C 49C 47C 63PH 23S C 1Y Compressor motor Fan Motor Compressor Motor Magnetic Contactor Compressor Motor Overcurrent Relay Compressor Motor Thermal Protector Negative Phase Relay High Pressure Switch Fan Speedcontrol Thermostat Capacitor Auxiliary Relay Connector Terminal Plate 13 14 5 95 96 51C 52C 1Y 3 CM ...

Страница 44: ... YEL GRN YEL GRN YEL GRN YEL 52C 4 6 3 5 8 Relay Relay S B A T R C 7 1 2 1 2 2Y 47C Power Supply 50Hz 3ø 380 V 415 V To Indoor Unit Terminal Plate 1 2 4 5 6 7 8 L1 L2 L3 N PNK BRN ORG WHT WHT PNK PNK BLU RED PNK YEL RED WHT BLU ORG GRY RED WHT BLU RED RED GRY WHT ORG ORG Electric Wiring Diagram W 854 2 5268 459 00 1 C363G8 P S FM2 C2 YEL WHT GRY BRN PNK YEL WHT GRY BRN PNK 4 5 4 5 2 3 2 3 1 1 Conn...

Страница 45: ... 3 52C 51C Schematic Diagram S 854 2 5268 459 00 1 C363G8 Symbols Description CM FM1 2 52C 51C 49C 47C 63PH 23S C1 2 1Y 2Y Compressor motor Fan Motor Compressor Motor Magnetic Contactor Compressor Motor Overcurrent Relay Compressor Motor Thermal Protector Negative Phase Relay High Pressure Switch Fan Speedcontrol Thermostat Capacitor Auxiliary Relay Connector Terminal Plate 13 14 5 95 96 51C 52C 2...

Страница 46: ... YEL GRN YEL GRN YEL GRN YEL 52C 4 6 3 5 8 Relay Relay S B A T R C 7 1 2 1 2 2Y 47C Power Supply 50Hz 3ø 380 V 415 V To Indoor Unit Terminal Plate 1 2 4 5 6 7 8 L1 L2 L3 N PNK PNK BRN ORG WHT WHT PNK PNK BLU RED PNK RED WHT BLU GRY RED WHT BLU RED RED GRY WHT ORG ORG YEL Electric Wiring Diagram W 854 2 5268 460 00 1 C483G8 P S FM2 C2 YEL WHT GRY BRN PNK YEL WHT GRY BRN PNK 4 5 4 5 2 3 2 3 1 1 Conn...

Страница 47: ...S 63PH C 6 5 4 1 2 3 52C 51C Schematic Diagram S 854 2 5268 460 00 1 C483G8 Symbols Description CM FM1 2 52C 51C 47C 63PH 23S C1 2 1Y 2Y Compressor motor Fan Motor Compressor Motor Magnetic Contactor Compressor Motor Overcurrent Relay Negative Phase Relay High Pressure Switch Fan Speedcontrol Thermostat Capacitor Auxiliary Relay Connector Terminal Plate 13 14 5 95 96 51C 52C 2Y 3 CM ...

Страница 48: ...SM830044 48 3 3 Electrical data ...

Страница 49: ... 6 Outdoor fan does not run 58 7 Outdoor fan speed is not switched from High to Low even when the outdoor temperature falls below 25 5 C 58 8 Compressor does not run 58 9 Poor cooling 59 10 Excessive cooling 60 4 2 A Sensor is Defective 61 4 3 Operation of Major Electrical Parts 61 4 4 Checking the Electrical Components 62 1 Measurement of Insulation Resistance 62 2 Checking the Protective Devices...

Страница 50: ...g AC 220 240 V Line voltage is correctly connected between the indoor unit and outdoor unit 3 3 3 3 3 Check power supply Check that voltage is within the specified range 10 of the rating Check that power is being supplied If the following troubleshooting must be done with power being supplied be careful not to thouch any uninsulated live part that can cause ELECTRIC SHOCK 4 4 4 4 4 Check the lead ...

Страница 51: ...Execute rewiring Remove interunit power line from the terminal plate in the outdoor unit Check insulation resistance of outdoor unit OK Remove interunit power line from the terminal plate in the indoor unit Check insulation resistance of indoor unit OK Interunit power lines are defective NO Insulation of outdoor unit is defective Check insulation resistance of electrical parts in the outdoor unit ...

Страница 52: ...t breaker is tripped Power failure Reset the breaker Wait for recovery or consult power supply company NO B Check remote control unit 0616_X_S Try to run both indoor and outdoor units with another remote control unit Refer to item C NO The other remote control unit is defective OK Check capacity of circuit breaker NO Check resistance of outdoor fan motor winding 0614_X_S Is capacity of circuit bre...

Страница 53: ... connector Check the continuity between No 1 and No 2 poles of the socket 0617_X_S Has Operation selector switch been set to ON position YES Set Operation selector switch to ON NO But neither unit runs Switch Ass y or P C B Ass y in the indoor unit is defective IND LAMP Ass y or P C B Ass y in the indoor unit is defective 0619_X_S Check compressor motor overcurrent relay 51C Does it actuate YES NO...

Страница 54: ...fan rotation Rotate the fan gently once or twice by hand Check fan casing for foreign matter on the inside Remove foreign matter or repair Repair or replace Fan cannot be rotated OK Check fan motor capacitor Fan motor burnout or foreign matter in bearing G Check fuse on the P C B Ass y in the indoor unit 0679_D_S Check fuse on the P C B Ass y in the indoor unit for continuity Check transformer TR ...

Страница 55: ...rature by Temperature setting button COOLER Set Operation selector switch to TEST in the indoor unit YES Outdoor unit runs Is room temperature too low NO Try to run both indoor and outdoor units with another remote control unit OK The other remote control unit is defective Room sensor in the remote control unit is defective C Outdoor unit is abnormal a Check power supply wiring 0625_X_S Check nega...

Страница 56: ...inals No 2 and No 4 at terminal plate Check P C B Ass y No voltage appears P C B Ass y is defective D Check indoor unit P C B E Check float switch 0626_X_S Is temperature of compressor abnormally high Refrigerant gas shortage YES NO Compressor is defective Charge refrigerant gas Check compressor motor thermal protector 49C 0627_X_S Check compressor motor magnetic contactor 52C Only outdoor fan doe...

Страница 57: ...Check fan motor capacitor OK Relay RY1 or RY2 on the P C B Ass y is defective Check fan rotation Rotate the fan gently once or twice by hand 0631_X_S Check fan casing for foreign matter on the inside Remove foreign matter or repair Repair or replace Fan cannot be rotated Fan motor burnout or foreign matter in bearing OK 2 Louver motor does not run Check resistance of louver motor winding P C B Ass...

Страница 58: ...oreign matter in bearing SPW C363G8 SPW C363G8 M and SPW C483G8 SPW C483G8 M 8 Compressor does not run Check compressor motor capacitor Refer to 4 4 0635_X_S Check resistance of compressor motor winding Check compressor motor overload relay Only SPW C253G5 SPW C253G5 M OK OK OK NG NG NG Refer to 4 4 Refer to 4 4 Refer to 4 4 NG Replace magnetic contactor Check continuity between terminals R U and ...

Страница 59: ...on of remote control unit Insulate wide tube and then execute taping with narrow tube YES NO Possibility of refrigerant shortage Charge refrigerant R22 Temperature difference is small YES Check clogging of air filter Temperature difference between suction and discharge air is large enough Approx 10 deg or more Clean filter Air filter is clogged Set fan speed to either HIGH or MEDIUM Is fan speed s...

Страница 60: ... is too low Is the remote control unit installed at a place where it can detect the room temperature properly 0637_X_S Set the temperature to higher value using temperature setting button of the remote control unit Change installation position of the remote control unit YES NO ...

Страница 61: ...in sensor Neither outdoor fan nor compressor runs b Short Outdoor fan and compressor do not stop Excessive cooling 4 3 Operation of Major Electrical Parts Function Operation Indoor unit and Remote Control unit Oudoor unit Freeze prevention Manual Energy saver Night setback Timer set Fan Operation Mode Sweep Stop Indicator lamps Thermo ON V V V V V Thermo OFF V V V Thermo ON V V V V V V Thermo OFF ...

Страница 62: ...Unit Measure the resistance by placing a probe on the terminal plate in the same manner as explained above 2 Fig 43 4 Measurement of Insulation Resistance for Electrical parts Disconnect the connector of the desired electric part from terminal plate P C B Ass y etc Fig 44 Similarly disconnect the lead wires from compressor capacitor etc Fig 45 Measure the resistance in the same manner as illustrat...

Страница 63: ...tive Device is proved normal if there is a continuity between terminals 1 Indoor fan motor thermal protector 49FI Indoor unit Disconnect the connector which leads to the indoor fan motor FMI Check the socket s terminals 2 Compressor motor thermal protector 49C Outdoor unit Disconnect both the connectors in the outdoor unit Check terminal between the plug and socket 3 Outdoor fan motor thermal prot...

Страница 64: ...ndoor fan motor Refer to 1 2 A Major component specifications 3 Outdoor fan motor FMO Outdoor unit Measure the coil resistance Measure the resistance in the same manner as explained above 2 Refer to 1 2 B Major component specifications 4 Fan motor capacitor Both in indoor and outdoor unit Remove the lead wires from the capacitor terminals and then place a probe on the capacitor terminals as shown ...

Страница 65: ...ck for continuity of the fuse by using the multimeter Fig 49 Having continuity is acceptable 4 Thermistor Characteristic Curve 1 Room temp sensor 1 Coil sensor Fuses Indoor P C B Ass y 0644_X_S Fuse 0645_X_S PBC 41E KTEC 35 Resistance kn 10 15 20 25 30 35 40 10 9 8 7 6 5 4 3 2 1 Temperature C 0374_M_I 20 15 10 5 0 5 10 15 20 0 5 10 15 20 25 30 35 40 Temperature C Resistance kn 0375_M_I Fig 48 Fig ...

Страница 66: ...SM830044 66 4 4 Service procedures ...

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