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FILE NO.

SERVICE MANUAL

Section

85464849142001

REFERENCE NO.

830042

SPW-X253G56, SPW-X253GS56 ⁄ SPW-C253G5 (/M), SPW-C253G8 (/M)
SPW-X303G56, SPW-X303GS56 ⁄ SPW-C303G5 (/M)
SPW-X363G56, SPW-X363GS56 ⁄ SPW-C363G5 (/M), SPW-C363G8 (/M)
SPW-X483G56, SPW-X483GS56 ⁄ SPW-C483G8 (/M)

SPLIT SYSTEM AIR CONDITIONER

INDOOR MODEL No.

PRODUCT CODE No.

OUTDOOR MODEL No.

PRODUCT CODE No.

SPW-X253G56

854 012 42

SPW-C253G5

854 012 22

SPW-C253G5/M

854 012 65

SPW-X253GS56

854 012 46

SPW-C253G8

854 012 23

SPW-C253G8/M

854 012 68

SPW-X303G56

854 012 43

SPW-C303G5

854 012 24

SPW-X303GS56

854 012 47

SPW-C303G5/M

854 012 69

SPW-X363G56

854 012 44

SPW-C363G5

854 012 25

SPW-C363G5/M

854 012 66

SPW-X363GS56

854 012 48

SPW-C363G8

854 012 26

SPW-C363G8/M

854 012 70

SPW-X483G56

854 012 45

SPW-C483G8

854 012 27

SPW-X483GS56

854 012 49

SPW-C483G8/M

854 012 67

SPW-X303G56
SPW-X303GS56
SPW-X363G56
SPW-X363GS56
SPW-X483G56
SPW-X483GS56

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

with the European regulations.

0409_C_S

SPW-C363G5 SPW-C363G5/M
SPW-C363G8 SPW-C363G8/M
SPW-C483G8 SPW-C483G8/M

0407_X_S

SPW-C253G5 SPW-C253G5/M
SPW-C253G8 SPW-C253G8/M
SPW-C303G5 SPW-C303G5/M

SPW-X253G56
SPW-X253GS56

0406_X_S

0408_C_S

Indoor Unit

Outdoor Unit

Содержание SPW-C253G5 (/M)

Страница 1: ...SPW C303G5 854 012 24 SPW X303GS56 854 012 47 SPW C303G5 M 854 012 69 SPW X363G56 854 012 44 SPW C363G5 854 012 25 SPW C363G5 M 854 012 66 SPW X363GS56 854 012 48 SPW C363G8 854 012 26 SPW C363G8 M 854 012 70 SPW X483G56 854 012 45 SPW C483G8 854 012 27 SPW X483GS56 854 012 49 SPW C483G8 M 854 012 67 SPW X303G56 SPW X303GS56 SPW X363G56 SPW X363GS56 SPW X483G56 SPW X483GS56 NOTE Models which does ...

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: ... 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 18 1 3 Other Component Sp...

Страница 4: ...Troubleshooting 56 4 2 A Sensor is Defective 67 4 3 Operation of Major Electrical Parts 67 4 4 Checking the Electrical Components 68 5 INSTRUCTION MANUAL 73 5 1 Wired Remote Controller RCS 31G W 74 5 2 Wireless Remote Controller RCS 5PS3E 87 ...

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 SM830042 ...

Страница 7: ...2 Major Component Specifications 14 A Indoor Unit 14 B Outdoor Unit 18 1 3 Other Component Specifications 21 A Indoor Unit 21 B Outdoor Unit 22 1 4 Dimensional Data 23 A Indoor Unit 23 B Outdoor Unit 25 1 5 Refrigerant Flow Diagram 27 1 6 Operating Range 28 1 ...

Страница 8: ...OD32mm Compressor Rotary Operation sound Indoor Hi Me Lo dB A 37 35 31 Outdoor Hi dB A 53 REFRIGERANT 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 Wi...

Страница 9: ...32mm Compressor Rotary Operation sound Indoor Hi Me Lo dB A 40 36 32 Outdoor Hi dB A 53 REFRIGERANT 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...

Страница 10: ...D32mm Compressor Rotary Operation sound Indoor Hi Me Lo dB A 43 40 36 Outdoor Hi dB A 54 REFRIGERANT 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 Wid...

Страница 11: ...mpressor Rotary Operation sound Indoor Hi Me Lo dB A 37 35 31 Outdoor Hi dB A 53 REFRIGERANT 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 m...

Страница 12: ...mpressor Rotary Operation sound Indoor Hi Me Lo dB A 43 40 36 Outdoor Hi dB A 54 REFRIGERANT 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 m...

Страница 13: ...ressor Rotary Operation sound Indoor Hi Me Lo dB A 43 40 36 Outdoor Hi dB A 56 REFRIGERANT 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 ...

Страница 14: ... V 1 phase 50 Hz No of pole rpm 230V High rpm 6 470 Coil resistance BRN WHT 114 0 ORG YEL 66 4 Ambient temp 20 C WHT VLT 23 9 WHT PNK 77 4 VLT ORG 12 4 YEL BLK 82 1 Safety devices Operating temp Open C 130 8 C Close C 79 15 C Run capacitor VAC µF 440 V 4 µF Heat exchanger Coil Aluminum plate fin Copper tube Rows fin pitch mm 2 1 7 Face area m2 0 295 Panel Model No PNR X253GA Dew proof heater 240 V...

Страница 15: ...h rpm 6 530 Coil resistance BRN WHT 71 1 ORG YEL 22 7 Ambient temp 20 C WHT VLT 8 7 VLT RNK 43 2 VLT ORG 13 3 YEL BLK 54 32 Safety devices Operating temperature Open C 130 8 C Close C 79 15 C Run capacitor VAC µF 440 V 6 µF Heat exchanger Coil Aluminum plate fin Copper tube Rows fin pitch mm 2 1 7 Face area m2 0 479 Panel Model No PNR X483GA Dew proof heater 240 V 31 W Auto louver motor M2LB24ZA12...

Страница 16: ...istance BRW WHT 114 0 ORG YEL 66 4 Ambient temperature 20 C WHT VLT 23 9 WHT PNK 77 4 VLT ORG 12 4 YEL BLK 82 1 Safety device Operating temperature Open C 130 8 C Close C 79 15 C Run capacitor VAC µF 440 V 4 µF Heat exchanger Coil Aluminum plate fin Copper tube Rows fin pitch mm 2 1 7 Face area m2 0 295 Panel Model No PNR X253GS Indicator Lamp Ass y IND TS2422 Dew proof heater 240 V 26 W Auto louv...

Страница 17: ... 530 Coil resistance BRW WHT 71 1 ORG YEL 22 7 Ambient temperature 20 C WHT VLT 8 7 VLT PNK 43 2 VLT ORG 13 3 YEL BLK 54 32 Safety device Operating temperature Open C 130 8 C Close C 79 15 C Run capacitor VAC µF 440 V 6 µF Heat exchanger Coil Aluminum plate fin Copper tube Rows fin pitch mm 2 1 7 Face area m2 0 479 Panel Model No PNR X483GS Indicator Lamp ass y IND TS2422 Dew proof heater 240 V 31...

Страница 18: ...rating 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 91C5PX2 100WX2 No of pole rpm 230V High rpm 6 868 6 871 Coil resistance BRW WHT 61 0 Ambient temperature 20 C YE...

Страница 19: ...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 BRW WHT 61 0 YEL PNK 17 7 Ambient temperature 20 C WHT YEL ...

Страница 20: ...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 6A 110 10A 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 pole rpm 230 V Hig...

Страница 21: ...ponent Specifications A Indoor Unit SPW X253GS56 SPW X303GS56 SPW X363GS56 SPW X483GS56 Power Transformer ATR I75A Rated Primary AC 230 V 50 Hz Secondary 10 6 V 0 93 A Capacity 9 85 VAC Coil resistance WHT WHT 96 5 BRN BRN 0 8 at 20 C Thermistor cut off temperature C 150 Thermistor Coil sensor PBC 41E S26 PBC 41E S36 Coil resistance k 10 C 23 7 5 C 12 1 5 C 18 8 10 C 9 7 0 C 15 0 15 C 8 0 Thermist...

Страница 22: ...act rated A AC 250 V 10A Relay RDR S400 Rated voltage V AC 380 415 V 3 phase 50 Hz Resistance at 20 C k 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 C303G5 SPW C363G5 SPW C253G5 M SPW C303G5 M SPW C363G5 M Compressor Motor Mgnetic Contactor FMCA 1SZ607 Coil rated AC 220 240 V 50 Hz Coil resistance ...

Страница 23: ...ening 820 Ceiling opening 61 730 Suspention bolt pitch Panel center 590 Suspention bolt pitch 345 35 Air intake grille Air outlet Refrigerant liquid line ø 6 35 Refrigerant gas line ø 15 88 Drain connection Power supply entry For discharge duct Humidifier option mounting hole Suspention bolt mounting 342 15 X view 0410_X_S 207 100 205 61 760 50 150 255 207 9 9 ...

Страница 24: ...Refrigerant liquid line ø9 52 SPW X303G56 SPW X303GS56 ø6 35 Refrigerant gas line ø19 05 SPW X303G56 SPW X303GS56 ø15 88 Drain connection Power supply entry For discharge duct Humidifier option mounting hole Suspension bolt mounting X view 0603_X_S 218 145 35 210 60 760 70 165 285 210 100 100 9 9 342 15 12 48 12 1 4 Dimensional Data A Indoor Unit SPW X363G56 SPW X483G56 SPW X303G56 SPW X363GS56 SP...

Страница 25: ...olt 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 SPW C303G5 SPW C303G5 M ...

Страница 26: ...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 27: ...nser Wide tube service valve 0605_X_S Narrow tube service valve Strainer Strainer 1 5 Refrigerant Flow Diagram Indoor Unit SPW X253GS56 Outdoor Unit SPW C253G5 SPW C253G5 M SPW X303GS56 SPW C303G5 SPW C303G5 M SPW X253G56 SPW C253G8 SPW C253G8 M SPW X303G56 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 ...

Страница 28: ...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 X483GS56 Outdoor Unit SPW C483G8 SPW C483G8 M SPW X483G56 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 29: ... 29 2 2 Processes and functions SM830042 2 PROCESSES AND FUNCTIONS 2 1 Room Temperature Control 30 2 2 Freeze Prevention 31 2 3 Drain Pump Control 31 2 4 Outdoor Fan Control 32 ...

Страница 30: ...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 31: ...in pump operates when compressor starts to operate or when Float Switch turns off COMPRESSOR OUTDOOR FAN INDOOR FAN OFF OFF OFF 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 Fig 8 ON ON ON ON ON ON ON ON ON ON SET SPEED OFF OFF OFF OFF OFF OFF FLOAT SWITCH ON low wate...

Страница 32: ...tdoor 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 is set from HIGH to LOW automatically When the outdoor temperature rises to 27 5 C the outdoor fan is set from LOW to HIGH automatically ...

Страница 33: ... 33 SM830042 3 3 Electrical data 3 ELECTRICAL DATA 3 1 Indoor Unit Electric Wiring Diagram Schematic Diagram 34 3 2 Outdoor Unit Electric Wiring Diagram Schematic Diagram 42 ...

Страница 34: ...iagram W 854 2 5268 493 00 2 X253G56 X363G56 X483G56 C 2 3 4 GRN YEL GRN YEL GRN YEL GRN YEL Earth Terminal Earth Terminal Earth Terminal YEL ORG VLT WHT GRY GRY PNK BRN BLK ORG VLT WHT GRY GRY PNK BRN YEL WHT GRY BLK BLK GRY WHT YEL BLK BLK FMI LM Controller CR X363GS E 2P RED TH1 DPH 3P RED LM 3P GRN 2 1 TR P S 2 1 2P WHT PRY 2P WHT SEC 3P BLU DP 3P RED FS 3P WHT 49FMI FM COM 5P WHT SUP BRN BLK ...

Страница 35: ...3 4P 1 4P 4 1 4P 2 RY5 FMI C 1 2 1 7 3 5 4 5 6 RY1 RY2 RY2 H L M 3 2 1 1 1 8 3 49FMI 9 RY4 RY4 Symbols Description FMI 49FMI C F DP DPH LM TR RY1 RY5 FS TH1 TH2 Indoor Fan Motor Indoor Motor Thermal Protector Capacitor Fuse Drain Pump Dew Proof Heater Auto Louver Motor Power Transformer Auxiliary Relay Float Switch Thermistor Indoor Coil Room Thermistor Symbols Description CR X363GS RCS Indoor Con...

Страница 36: ...agram W 854 2 5268 494 00 2 X303G56 C 2 3 4 GRN YEL GRN YEL GRN YEL GRN YEL Earth Terminal Earth Terminal Earth Terminal YEL ORG VLT WHT GRY GRY PNK BRN BLK ORG VLT WHT GRY GRY PNK BRN YEL WHT GRY BLK BLK GRY WHT YEL BLK BLK FMI LM Controller CR X363GS E 2P RED TH1 DPH 3P RED LM 3P GRN 2 1 TR P S 2 1 2P WHT PRY 2P WHT SEC 3P BLU DP 3P RED FS 3P WHT 49FMI FM COM 5P WHT SUP BRN BLK BLK BLK BLK WHT W...

Страница 37: ...Y5 FMI C 1 2 1 7 3 5 3 4 5 RY1 RY2 RY2 H L M 3 2 1 1 1 8 3 49FMI 9 RY4 RY4 Symbols Description FMI 49FMI C F DP DPH LM TR RY1 RY5 FS TH1 TH2 Indoor Fan Motor Indoor Motor Thermal Protector Capacitor Fuse Drain Pump Dew Proof Heater Auto Louver Motor Power Transformer Auxiliary Relay Float Switch Thermistor Indoor Coil Room Thermistor Symbols Description CR X363GS RCS Indoor Controller Remote Contr...

Страница 38: ...54 2 5268 495 00 2 X253GS56 X363GS56 X483GS56 2 3 4 GRN YEL GRN YEL GRN YEL GRN YEL Earth Terminal Earth Terminal Earth Terminal YEL ORG VLT WHT GRY GRY PNK BRN BLK YEL WHT GRY BLK BLK GRY WHT YEL BLK BLK FMI LM Controller CR X363GS E 2P RED TH1 TH2 Room 2 1 BLK BLK 2P YEL TH2 DPH 3P RED LM 3P GRN 2 1 TR P S 2 1 2P WHT PRY 2P WHT SEC 3P BLU DP 3P RED FS 3P WHT 49FMI FM COM 5P WHT SUP BLK BLK BLK B...

Страница 39: ...Y5 3 4 LM 1 3 RY3 4P 1 4P 4 1 4P 2 RY5 FMI C 1 2 1 7 3 5 4 5 6 RY1 RY2 RY2 H L M 3 2 1 1 1 8 3 49FMI 9 RY4 RY4 Symbols Description FMI 49FMI C F DP DPH LM TR RY1 RY5 FS TH1 TH2 Indoor Fan Motor Indoor Motor Thermal Protector Capacitor Fuse Drain Pump Dew Proof Heater Auto Louver Motor Power Transformer Auxiliary Relay Float Switch Thermistor Indoor Coil Room Thermistor Symbols Description CR X363G...

Страница 40: ... 5268 496 00 2 X303GS56 C 2 3 4 GRN YEL GRN YEL GRN YEL GRN YEL Earth Terminal Earth Terminal Earth Terminal YEL ORG VLT WHT GRY GRY PNK BRN BLK ORG VLT WHT GRY GRY PNK BRN YEL WHT GRY BLK BLK GRY WHT YEL BLK BLK FMI LM Controller CR X363GS E 2P RED TH1 TH2 Room 2 1 BLK BLK 2P YEL TH2 DPH 3P RED LM 3P GRN 2 1 TR P S 2 1 2P WHT PRY 2P WHT SEC 3P BLU DP 3P RED FS 3P WHT 49FMI FM COM 5P WHT SUP BRN B...

Страница 41: ... 4P 4 1 4P 2 RY5 FMI C 1 2 1 7 3 5 3 4 5 RY1 RY2 RY2 H L M 3 2 1 1 1 8 3 49FMI 9 RY4 RY4 Symbols Description FMI 49FMI C F DP DPH LM TR RY1 RY5 FS TH1 TH2 Indoor Fan Motor Indoor Motor Thermal Protector Capacitor Fuse Drain Pump Dew Proof Heater Auto Louver Motor Power Transformer Auxiliary Relay Float Switch Thermistor Indoor Coil Room Thermistor Symbols Description CR X363GS IND SW Indoor Contro...

Страница 42: ...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 43: ...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 44: ...or 2P WHT 63PH 31 32 13 14 T W S V R U A B 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 WHT BLK WHT BLU RED RED WHT Electric Wiring Diagram W 854 2 5268 462 00 1 C303G5 P S C H L 23S YEL WHT GRY BRN PNK RED RED TH BLK WHT ...

Страница 45: ... 63PH C2 TH 52C 23S FM CM L H C 4 5 1 2 3 W T 52C Schematic Diagram S 854 2 5268 462 00 1 C303G5 Symbols Description CM FM 52C 63PH 23S C1 2 TH 1Y Compressor motor Fan Motor Compressor Motor Magnetic Contactor High Pressure Switch Fan Speedcontrol Thermostat Capacitor Thermistor Auxiliary Relay Connector Terminal Plate ...

Страница 46: ...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 47: ... 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 48: ...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 49: ...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 50: ... 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 51: ... 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 52: ... 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 53: ...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 54: ...SM830042 54 3 3 Electrical data ...

Страница 55: ... fan does not run 64 7 Outdoor fan speed is not switched from High to Low even when the outdoor temperature falls below 25 5 C 64 8 Compressor does not run 64 9 Poor cooling 65 10 Excessive cooling 66 4 2 A Sensor is Defective 67 4 3 Operation of Major Electrical Parts 67 4 4 Checking the Electrical Components 68 1 Measurement of Insulation Resistance 68 2 Checking the Protective Devices 69 3 Chec...

Страница 56: ...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 57: ...wiring 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 Check insu...

Страница 58: ...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 59: ... 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 YES Consu...

Страница 60: ...asing 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 0622_X_S Check fuse on the P C B Ass y in the indoor unit for continuity Check transformer TR Check resistance of indoor fan motor winding FMI Check resistance of...

Страница 61: ...emperature 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 negative phase ...

Страница 62: ...nit P C B E Check float switch Refer to 2 3 Drain Pump Control 0629_X_S Is drainage prevented from flowing Check drain hose YES Check float switch FS NO Wait for 20 minutes 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 contacto...

Страница 63: ...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 y or remo...

Страница 64: ...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 65: ...e 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 set to LOW R...

Страница 66: ... 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 67: ...either 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 V V V Therm...

Страница 68: ...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 69: ...e 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 protector 49FO...

Страница 70: ...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 71: ...inuity 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 49 ...

Страница 72: ...SM830042 72 4 4 Service procedures ...

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