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Sanyo SPW-T253GS56 manual

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Table of contents for the manual

  • Page 1

    FILE NO. SER VICE MANU AL 1 2 3 4 5 Section 85464849143001 REFERENCE NO. SM 830043 SPW -T253G56, SPW -T253GS56 ⁄ SPW -C253G5 (/M), SPW -C253G8 (/M) SPW -T303G56, SPW -T303GS56 ⁄ SPW -C303G5 (/M) SPW -T363G56, SPW -T363GS56 ⁄ SPW -C363G5 (/M), SPW -C363G8 (/M) SPW -T483G56, SPW -T483GS56 ⁄ SPW -C483G8 (/M) SPLIT SYSTEM AIR CONDITIONER 0409_C[...]

  • Page 2

    SM830043 When Transporting …………………………………………………………………… Be careful when picking up and moving the indoor and outdoor units. Get a partner to help, and bend your knees when lifting to reduce strain on your back. Sharp edges or thin aluminum fins on the air conditioner can cut your fingers. When Insta[...]

  • Page 3

    – 3 – SM830043 WHO SHOULD USE THIS MANUAL This service manual is made to assist the service technician apply his knowledge and training to this model air conditioner. This manual is written both for experienced service persons and those who are new to air conditioning service. To help those with less experience or who are new to this kind of un[...]

  • Page 4

    – 4 – SM830043 4. SERVICE PROCEDURES ........................................................................................... 55 4-1 Troubleshooting .................................................................................................. 56 4-2 A Sensor is Defective ..................................................................[...]

  • Page 5

    – 5 – SM830043 WHA T IS IN THIS MANU AL Introduction: Read Me First! This manual will help you understand and service the air conditioner. To help you find the information you need, we have divided it into 5 main sections. Each section is divided into chapters with charts, tables and explanations to help you find and repair problems. ❑ Sectio[...]

  • Page 6

    – 6 – SM830043[...]

  • Page 7

    – 7 – SM830043 1. SPECIFICA TIONS 1-1 Unit Specifications ......................................................................................... 8 1-2 Major Component Specifications .................................................................. 14 (A) Indoor Unit ...........................................................................[...]

  • Page 8

    – 8 – SM830043 1. Specifications 1 MODEL No. Indoor Unit SPW-T253G56 SPW-T253GS56 Outdoor Unit SPW-C253G5, C253G5/M POWER SOURCE 220 - 230 - 240 V / 1 Phase / 50 Hz PERFORMANCE Cooling Capacity kW 7 . 3 BTU / h 25,000 Air circulation (Hi/Me/Lo) m3 / h 1,140/1,020/840 Moisture removal(High) Liters/h 3 . 4 ELECTRICAL RATINGS Voltage rating V 220 [...]

  • Page 9

    – 9 – SM830043 1 1. Specifications MODEL No. Indoor Unit SPW-T303G56 SPW-T303GS56 Outdoor Unit SPW-C303G5, C303G5/M POWER SOURCE 220 - 230 - 240 V / 1 Phase / 50 Hz PERFORMANCE Cooling Capacity kW 8 . 8 BTU / h 30,000 Air circulation (Hi/Me/Lo) m3 / h 1,380/1,200/1,020 Moisture removal(High) Liters/h 3 . 9 ELECTRICAL RATINGS Voltage rating V 22[...]

  • Page 10

    – 10 – SM830043 1. Specifications 1 MODEL No. Indoor Unit SPW-T363G56 SPW-T363GS56 Outdoor Unit SPW-C363G5, C363G5/M POWER SOURCE 220 - 230 - 240 V / 1 Phase / 50 Hz PERFORMANCE Cooling Capacity kW 10.6 BTU / h 36,000 Air circulation (Hi/Me/Lo) m3 / h 1,680/1,410/1,200 Moisture removal(High) Liters/h 4 .8 ELECTRICAL RATINGS Voltage rating V 220[...]

  • Page 11

    – 11 – SM830043 1 1. Specifications MODEL No. Indoor Unit SPW-T253G56 SPW-T253GS56 Outdoor Unit SPW-C253G8, C253G8/M POWER SOURCE 380 - 400 - 415 V / 3N / 50 Hz PERFORMANCE Cooling Capacity kW 7 .3 BTU / h 25,000 Air circulation (Hi/Me/Lo) m3 / h 1,140/1,020/840 Moisture removal(High) Liters/h 3 .4 ELECTRICAL RATINGS Voltage rating V 380 400 41[...]

  • Page 12

    – 12 – SM830043 1. Specifications 1 MODEL No. Indoor Unit SPW-T363G56 SPW-T363GS56 Outdoor Unit SPW-C363G8, C363G8/M POWER SOURCE 380 - 400 - 415 V / 3N / 50 Hz PERFORMANCE Cooling Capacity kW 10.6 BTU / h 36,000 Air circulation (Hi/Me/Lo) m3 / h 1,680/1,410/1,200 Moisture removal(High) Liters/h 4 .8 ELECTRICAL RATINGS Voltage rating V 380 400 [...]

  • Page 13

    – 13 – SM830043 1 1. Specifications MODEL No. Indoor Unit SPW-T483G56 SPW-T483GS56 Outdoor Unit SPW-C483G8, C483G8/M POWER SOURCE 380 - 400 - 415 V / 3N / 50 Hz PERFORMANCE Cooling Capacity kW 14 BTU / h 47,800 Air circulation (Hi/Me/Lo) m3 / h 1,920/1,680/1,320 Moisture removal(High) Liters/h 7 .1 ELECTRICAL RATINGS Voltage rating V 380 400 41[...]

  • Page 14

    – 14 – SM830043 1. Specifications 1 MODEL No. SPW-T253G56 SPW-T253GS56 Source 220 - 230 - 240 V / 1 phase / 50 Hz Remote Controller (Accessory) RCS - T251G RCS - 5PS3E Controller P.C.B. Ass’y CR - X363GS Switch Ass’y – SW - X363GS Fan (Number…diameter) mm Centrifugal (4...ø130) Fan Motor Model…Nominal output W KFG4Q - 41A5P...40 W So[...]

  • Page 15

    – 15 – SM830043 1 1. Specifications 1-2 Major Component Specifications (A) Indoor Unit MODEL No. SPW-T303G56 SPW-T303GS56 Source 220 - 230 - 240 V / 1 phase / 50 Hz Remote Controller (Accessory) RCS - T251G RCS - 5PS3E Controller P.C.B. Ass’y CR - X363GS Switch Ass’y – SW - X363GS Fan (Number…diameter) mm Centrifugal (4...ø150) Fan Mot[...]

  • Page 16

    – 16 – SM830043 1. Specifications 1 1-2 Major Component Specifications (A) Indoor Unit MODEL No. SPW-T363G56 SPW-T363GS56 Source 220 - 230 - 240 V / 1 phase / 50 Hz Remote Controller (Accessory) RCS - T251G RCS - 5PS3E Controller P.C.B. Ass’y CR - X363GS Switch Ass’y – SW - X363GS Fan (Number…diameter) mm Centrifugal (4...ø150) Fan Mot[...]

  • Page 17

    – 17 – SM830043 1 1. Specifications 1-2 Major Component Specifications (A) Indoor Unit MODEL No. SPW-T483G56 SPW-T483GS56 Source 220 - 230 - 240 V / 1 phase / 50 Hz Remote Controller (Accessory) RCS - T251G RCS - 5PS3E Controller P.C.B. Ass’y CR - X363GS Switch Ass’y – SW - X363GS Fan (Number…diameter) mm Centrifugal (4...ø150) Fan Mot[...]

  • Page 18

    – 18 – SM830043 1. Specifications 1 1-2 Major Component Specifications (B) Outdoor Unit Model No. SPW-C253G5 SPW-C303G5 SPW-C363G5 SPW-C253G5/M SPW-C303G5/M SPW-C363G5/M Source 220 - 230 - 240 V / 1 phase / 50 Hz Compressor Rotary (Hermetic) Model ... Code No. C - R221H5V C - R240H5W Nominal output W 2,200 2,400 Compressor oil cc 1,350 Coil res[...]

  • Page 19

    – 19 – SM830043 1 1. Specifications MODEL No . SPW-C253G8, SPW-C253G8/M Source 380 - 400 - 415 V / 3 phase / 50 Hz Compressor Rotary (Hermetic) Model … Code No. C - R224H8S Nominal output W 2,200 Compressor oil CC 1,350 Coil resistance (at 25 ° C) Ω R - S : 5.54 , S - T : 5.54 , T - R : 5.54 Refrigerant amount at shipment kg R22 – 2.4 Sa[...]

  • Page 20

    – 20 – SM830043 1. Specifications 1 1-2 Major Component Specifications (B) Outdoor Unit MODEL No. SPW-C363G8 SPW-C483G8 SPW-C363G8/M SPW-C483G8/M Source 380 - 400 - 415 V / 3 phase / 50 Hz Compressor Rotary (Hermetic) Scroll (Hermetic) Model...Code No. C - R243H8T ZR61KC - TFD - 522 Nominal output W 2,400 3,750 Compressor oil cc 1,350 2,130 Coi[...]

  • Page 21

    – 21 – SM830043 1 1. Specifications MODEL No. SPW-T253G56 SPW-T303G56 SPW-T363G56 SPW-T483G56 Power Transformer ATR - I75A Rated Primary AC 230 V, 50 Hz Secondary 10.6 V, 0.93 A Capacity 9.86 VAC Coil resistance Ω WHT – WHT : 101 , BRN – BRN : 0.6 (at 20 ° C) Thermistor cut off temperature ° C 150 Thermistor (Coil sensor) PBC - 41E - S3[...]

  • Page 22

    – 22 – SM830043 1. Specifications 1 1-3 Other Component Specifications (B) Outdoor Unit MODEL No. SPW-C253G8 SPW-C363G8 SPW-C483G8 SPW-C253G8/M SPW-C363G8/M SPW-C483G8/M Compressor Motor Magnetic Contactor FMSA - 1SZ607A Coil rated AC 220 - 240 V, 50 Hz Coil resistance (at 20 ° C) Ω 828 (at 20 ° C) Contact rated V, A AC 440 V, 13 A Thermal [...]

  • Page 23

    – 23 – SM830043 1 1. Specifications 107 60 60 73 103 33 12 92 62 42 35 89 85 40 40 65 90 221 35 40 138 330 256 626 670 1190 4 - ø 28 HOLES FOR ANCHOR BOLT TUBING FOR TOP (SLIT HOLE) TUBING FOR BACK (SLIT HOLE) 1190 1190 40 221 40 40 35 35 36 125 C B 330 60 8 9 110 TUBING FOR SIDE 181 58 291 588 626 670 29 38 Dimension : mm Refrigerant gas line[...]

  • Page 24

    – 24 – SM830043 1. Specifications 1 400 380 20 340 20 110 660 170 735 280 307 940 Dimension : 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 Da[...]

  • Page 25

    – 25 – SM830043 1 1. Specifications 400 380 20 340 20 110 660 170 1235 580 607 940 Dimension : mm Hole for anchor 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 D[...]

  • Page 26

    – 26 – SM830043 1. Specifications 1 Indoor Unit : SPW-T363GS56 Outdoor Unit : SPW-C363G5, SPW-C363G5/M SPW-T363G56 SPW-C363G8, SPW-C363G8/M Fig. 5-1 O. D. 19.05 mm (3/4") Evaporator Capillary O. D. 9.52 mm (3/8") Condenser HP High pressure switch Compressor Accumulator Capillary Sub-condenser Wide tube service valve 0605_X_S Narrow tu[...]

  • Page 27

    – 27 – SM830043 1 1. Specifications Fig. 5-2 1-6 Operating Range Temperature Indoor air intake temp. Outdoor air intake temp. Cooling Maximum 35 ° 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-T483GS56 Outdoor Unit : SPW-C483G8, SPW-C483G8/M SPW-T483G56 O. D. 19.05 mm ([...]

  • Page 28

    – 28 – SM830043 1. Specifications 1[...]

  • Page 29

    – 29 – 2 2. Processes and functions SM830043 2. PR OCESSES AND FUNCTIONS 2-1 Room Temperature Control .......................................................................... 30 2-2 Freeze Prevention .......................................................................................... 31 2-3 Outdoor Fan Control ..........................[...]

  • Page 30

    – 30 – SM830043 2 2. Processes and functions 2-1 Room T emperature Control The Unit adjusts room temperature by turning the outdoor unit’s compressor ON and OFF. This process is controlled by the thermostat located in the remote control unit. The figures on this and the next pages show how each part of the system performs when the room temper[...]

  • Page 31

    – 31 – 2 2. Processes and functions SM830043 2-2 Freeze Prevention Freeze Prevention keeps the indoor heat exchange coil from freezing. Freezing reduces the efficiency of the unit, and frost buildup on the coil blocks cool air circulation from the indoor unit’s fan. Fig. 7 COMPRESSOR OUTDOOR F AN INDOOR F AN OFF OFF OFF OFF INDOOR COIL TEMPER[...]

  • Page 32

    – 32 – SM830043 2 2. Processes and functions[...]

  • Page 33

    – 33 – SM830043 3 3. Electrical data 3. ELECTRICAL D A T A 3-1 Indoor Unit (Electric Wiring Diagram, Schematic Diagram) ............................... 34 3-2 Outdoor Unit (Electric Wiring Diagram, Schematic Diagram) ............................. 42[...]

  • Page 34

    SM830043 – 34 – 3 3. Electrical data 3-1 Indoor Unit 1 1 1 1 1 SPW-T253G56, SPW-T363G56, SPW-T483G56 Connector 8P(WHT) 3 1 3 17 5 3 15 123 4567 8 1 S P 2345678 1 To Outdoor Unit Power Supply Terminal Plate(4P) • Electric Wiring Diagram W 854-2-5268-498-00-1 (T253G56, T363G56, T483G56) 2 3 4 GRN/YEL GRN/YEL GRN/YEL RC1 YEL GRY GRY ORG VLT BRN [...]

  • Page 35

    – 35 – SM830043 3 3. Electrical data 3-1 Indoor Unit 1 1 1 1 1 SPW-T253G56, SPW-T363G56, SPW-T483G56 • Schematic Diagram S 854-2-5268-498-00-1 (T253G56, T363G56, T483G56) 2 1 3 FS 1 2 1 5 1 12 1 TR Coil TH1 CR-X363GS Controller 1 1 3 5 F 2 1 2 1 3 2 DPH RY2 RY1 RY4 RY5 3 2 LM 1 1 RY3 4P-1 4P-4 1 4P-2 RY5 FMI C 1 2 1 7 3 5 4 5 6 RY1 RY2 RY2 HL[...]

  • Page 36

    SM830043 – 36 – 3 3. Electrical data 3-1 Indoor Unit 2 2 2 2 2 SPW-T303G56 Connector 8P(WHT) 3 1 3 17 5 3 15 123 4567 8 1 S P 2345678 1 To Outdoor Unit Power Supply Terminal Plate(4P) • Electric Wiring Diagram W 854-2-5268-499-00-1 (T303G56) 2 3 4 GRN/YEL GRN/YEL GRN/YEL RC1 YEL GRY GRY ORG VLT YEL VLT WHT GRY GRY PNK BRN PNK BRN BRN FMI Cont[...]

  • Page 37

    – 37 – SM830043 3 3. Electrical data 3-1 Indoor Unit 2 2 2 2 2 SPW-T303G56 • Schematic Diagram S 854-2-5268-499-00-1 (T303G56) 2 1 3 FS 1 2 1 5 1 12 1 TR Coil TH1 CR-X363GS Controller 1 1 3 5 F 2 1 2 1 3 2 DPH RY2 RY1 RY4 RY5 3 2 LM 1 1 RY3 4P-1 4P-4 1 4P-2 RY5 FMI C 1 2 1 7 3 5 3 5 6 RY1 RY2 RY2 HL M 3 2 1 1 1 7 3 49FMI 8 RY4 RY4 Symbols Des[...]

  • Page 38

    SM830043 – 38 – 3 3. Electrical data 3-1 Indoor Unit 3 3 3 3 3 SPW-T253GS56, SPW-T363GS56, SPW-T483GS56 Connector 8P(WHT) 3 1 3 17 5 3 15 123 4567 8 1 S P 2345678 1 To Outdoor Unit Power Supply Terminal Plate(4P) • Electric Wiring Diagram W 854-2-5268-500-00-1 (T253GS56, T363GS56, T483GS56) 2 3 4 GRN/YEL GRN/YEL GRN/YEL RC1 YEL GRY GRY ORG VL[...]

  • Page 39

    – 39 – SM830043 3 3. Electrical data 3-1 Indoor Unit 3 3 3 3 3 SPW-T253GS56, SPW-T363GS56, SPW-T483GS56 • Schematic Diagram S 854-2-5268-500-00-1 (T253GS56, T363GS56, T483GS56) 2 1 3 FS 1 2 1 TR Coil TH1 CR-X363GS Controller 1 1 3 5 F 2 1 2 1 3 2 DPH RY2 RY1 RY4 RY5 3 2 LM 1 1 RY3 4P-1 4P-4 1 4P-2 RY5 FMI C 1 2 1 7 3 5 4 5 6 RY1 RY2 RY2 HL M [...]

  • Page 40

    SM830043 – 40 – 3 3. Electrical data 3-1 Indoor Unit 4 4 4 4 4 SPW-T303GS56 Connector 8P(WHT) 3 1 3 17 5 3 15 123 4567 8 1 S P 2345678 1 To Outdoor Unit Power Supply Terminal Plate(4P) • Electric Wiring Diagram W 854-2-5268-501-00-1 (T303GS56) 2 3 4 GRN/YEL GRN/YEL GRN/YEL RC1 YEL GRY GRY ORG VLT YEL VLT WHT GRY GRY PNK BRN PNK BRN BRN FMI Co[...]

  • Page 41

    – 41 – SM830043 3 3. Electrical data 3-1 Indoor Unit 4 4 4 4 4 SPW-T303GS56 • Schematic Diagram S 854-2-5268-501-00-1 (T303GS56) 2 1 3 FS 1 2 1 TR Coil TH1 CR-X363GS Controller 1 1 3 5 F 2 1 2 1 3 2 DPH RY2 RY1 RY4 RY5 3 2 LM 1 1 RY3 4P-1 4P-4 1 4P-2 RY5 FMI C 1 2 1 7 3 5 3 5 6 RY1 RY2 RY2 HL M 3 2 1 1 1 7 3 49FMI 8 RY4 RY4 Symbols Descriptio[...]

  • Page 42

    SM830043 – 42 – 3 3. Electrical data 3-2 Outdoor Unit 1 1 1 1 1 SPW-C253G5 SPW-C253G5/M CM FM C1 C2 YEL WHT GRY BRN PNK 4 5 4 5 2 3 2 3 1 1 Connector 6P (WHT) Connector 2P (WHT) 63PH 31 32 13 14 T W S V R U A B OLR PS 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 Ter[...]

  • Page 43

    – 43 – SM830043 3 3. Electrical data 1 2 1Y 52C 4 1 2 N L S V R U 1Y C1 63PH C2 52C OLR 23S FM CM L H C 4 5 1 2 3 W T 52C • Schematic 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 Capacit[...]

  • Page 44

    SM830043 – 44 – 3 3. Electrical data 3-2 Outdoor Unit 2 2 2 2 2 SPW-C303G5 SPW-C303G5/M CM FM C1 C2 YEL WHT GRY BRN PNK 4 5 4 5 2 3 2 3 1 1 Connector 6P (WHT) Connector 2P (WHT) 63PH 31 32 13 14 T W S V R U A B PS 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 Termina[...]

  • Page 45

    – 45 – SM830043 3 3. Electrical data 3-2 Outdoor Unit 2 2 2 2 2 SPW-C303G5 SPW-C303G5/M 1 2 1Y 52C 4 1 2 N L S V R U 1Y C1 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 Pr[...]

  • Page 46

    SM830043 – 46 – 3 3. Electrical data 3-2 Outdoor Unit 3 3 3 3 3 SPW-C363G5 SPW-C363G5/M CM FM1 C1 C3 YEL WHT GRY BRN PNK 4 5 4 5 2 3 2 3 1 1 Connector 6P (WHT) Connector 2P (WHT) 63PH 31 32 13 14 T W S V R U A B PS 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 2Y Power Supply 50Hz 1ø 220 V To Indoor Unit Termin[...]

  • Page 47

    – 47 – SM830043 3 3. Electrical data 3-2 Outdoor Unit 3 3 3 3 3 SPW-C363G5 SPW-C363G5/M 1 2 2Y FM2 52C 4 1 2 N L S V R U 13 2Y 14 52C 4 2 C1 C2 63PH 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[...]

  • Page 48

    SM830043 – 48 – 3 3. Electrical data 3-2 Outdoor Unit 4 4 4 4 4 SPW-C253G8 SPW-C253G8/M CM FM C YEL WHT GRY BRN PNK YEL WHT GRY BRN PNK 4 5 4 5 2 3 2 3 1 1 Connector 6P (WHT) P S Connector 2P (WHT) 63PH 31 32 13 14 T W S V R U 6 4 2 A B 95 96 51C C PS HL 23S 49C Earth Terminal R S T GRN/YEL GRN/YEL GRN/YEL 52C 46 35 8 Relay S BA T R C 7 1 2 1 2[...]

  • Page 49

    – 49 – SM830043 3 3. Electrical data 3-2 Outdoor Unit 4 4 4 4 4 SPW-C253G8 SPW-C253G8/M 1 2 1 A B S T R C 47C 49C 2 4 52C 1Y 47C 5 6 7 8 L1 L2 L3 N C FM L H 63PH C 23S 4 5 1 2 3 52C 51C • Schematic 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 Magneti[...]

  • Page 50

    SM830043 – 50 – 3 3. Electrical data 3-2 Outdoor Unit 5 5 5 5 5 SPW-C363G8 SPW-C363G8/M CM FM1 C1 YEL WHT GRY BRN PNK YEL WHT GRY BRN PNK 4 5 4 5 2 3 2 3 1 1 Connector 6P (WHT) Connector 2P (WHT) 63PH 31 32 13 14 T W S V R U 6 4 2 A B 95 96 51C PS 49C Earth Terminal R S T GRN/YEL GRN/YEL GRN/YEL GRN/YEL 52C 46 35 8 Relay Relay S BA T R C 7 1 2 [...]

  • Page 51

    – 51 – SM830043 3 3. Electrical data 3-2 Outdoor Unit 5 5 5 5 5 SPW-C363G8 SPW-C363G8/M 1 2 1 C1 FM1 3 1 5 5 4 1 2 3 A B S T R C 47C 49C H 2 4 52C 1Y 2Y 47C 5 6 7 8 L1 L2 L3 N C2 FM2 4 2 L 23S 63PH C 6 5 4 1 2 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 Compr[...]

  • Page 52

    SM830043 – 52 – 3 3. Electrical data 3-2 Outdoor Unit 6 6 6 6 6 SPW-C483G8 SPW-C483G8/M CM FM1 C1 YEL WHT GRY BRN PNK YEL WHT GRY BRN PNK 4 5 4 5 2 3 2 3 1 1 Connector 6P (WHT) Connector 2P (WHT) 63PH 31 32 13 14 T W S V R U 6 4 2 A B 95 96 51C PS Earth Terminal T1 T2 T3 GRN/YEL GRN/YEL GRN/YEL GRN/YEL 52C 46 35 8 Relay Relay S BA T R C 7 1 2 1[...]

  • Page 53

    – 53 – SM830043 3 3. Electrical data 3-2 Outdoor Unit 6 6 6 6 6 SPW-C483G8 SPW-C483G8/M 1 2 1 C1 FM1 3 1 5 5 4 1 2 3 A B S T R C 47C H 2 4 52C 1Y 2Y 47C 5 6 7 8 L1 L2 L3 N C2 FM2 4 2 L 23S 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 mo[...]

  • Page 54

    SM830043 – 54 – 3 3. Electrical data[...]

  • Page 55

    SM830043 – 55 – 4 4. Service procedures 4. SER VICE PROCEDURES 4-1 Troubleshooting ............................................................................................. 56 (1) Check before and after Troubleshooting ................................................ 56 (2) Air conditioner does not operate ..................................[...]

  • Page 56

    SM830043 – 56 – 4 4. Service procedures 4-1 T r obleshooting (1) Check before and after Troubleshooting Many problems may happen because of wiring or power supply problems, so you should check these areas first. Problems here can cause false results in some of the other tests, and so should be corrected first. 1 1 1 1 1 . Check power supply wir[...]

  • Page 57

    SM830043 – 57 – 4 4. Service procedures (2) Air conditioner does not operate 1 1 1 1 1 Circuit breaker trips (or fuse blows). (a) When the circuit breaker is set to ON, it is tripped soon. • There is a possibility of ground fault. • Check insulation resistance. If resistance value is 1M Ω or less, it is a defect of insulation. 1 2 3 (Exam[...]

  • Page 58

    SM830043 – 58 – 4 4. Service procedures (b) Circuit breaker trips in several minutes after turning the air conditioner on. • There is a possibility of short circuit. 2 2 2 2 2 Neither indoor unit nor outdoor unit runs. A. Power is not supplied 0615_X_S • Check power supply. Is power being supplied to outdoor unit ? Circuit breaker is trippe[...]

  • Page 59

    SM830043 – 59 – 4 4. Service procedures C. Check “Operation selector” switch in the indoor unit. : In case of wireless remote control unit (GS type) D. Check compressor motor protectors. a) High pressure switch (63PH) b) Compressor motor overcurrent relay (51C) 0618_X_S • Check high pressure switch. Does high pressure switch actuate ? (63[...]

  • Page 60

    SM830043 – 60 – 4 4. Service procedures E. Check. auxiliary relay. (1Y or 2Y) 0620_X_S • Check coil resistance of auxiliary relay. (1Y or 2Y) F. Check indoor fan motor thermal protector (49FMI) • Disconnect the socket from 9P (WHT) connector. • Check the continuity between No. 8 and No.9 poles of the 9P socket. The thermal protector (49FM[...]

  • Page 61

    SM830043 – 61 – 4 4. Service procedures (3) Outdoor unit does not run. A. Check COOL/FAN selector switch in the remote control unit. 0623_X_S • Is COOL/FAN selector switch set to COOL ? NO Set to COOL. B. Check set temperature. 0624_X_S Try to lower set temperature by Temperature setting button “COOLER”. • Set “Operation selector” s[...]

  • Page 62

    SM830043 – 62 – 4 4. Service procedures b) Check compressor motor thermal protector (49C) 0628_X_S • Check voltage between terminals 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. 0626_X_S Is temperature of compressor abnormally high ? Refrigerant gas sho[...]

  • Page 63

    SM830043 – 63 – 4 4. Service procedures (4) Indoor unit does not run. (Indoor fan and louver motor do not run. 0630_X_S P.C.B. Ass’y is defective. (5) Some part does not operate. (1) Indoor fan does not run. • Check resistance of fan motor winding. • Check fan motor capacitor. OK Relay RY1 or RY2 on the P.C.B. Ass’y is defective. • Ch[...]

  • Page 64

    SM830043 – 64 – 4 4. Service procedures (6) Outdoor fan does not run. • Check resistance of fan motor winding. • Check fan motor capacitor OK • Check continuity between terminals on the compressor motor magnetic contactor. • Check fan rotation. Rotate the fan gently once or twice by hand. 0633_X_S • Check fan casing for foreign matter[...]

  • Page 65

    SM830043 – 65 – 4 4. Service procedures (9) Poor cooling Check installation position of remote control unit. • Does cool air from air condi- tioner reach remote control unit directly ? • Is wide tube between indoor unit and outdoor unit insulated ? 0636_X_S • Measure temperatures of suction and discharge air of indoor unit. Change install[...]

  • Page 66

    SM830043 – 66 – 4 4. Service procedures (10) Excessive cooling. • The set temperature 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 [...]

  • Page 67

    SM830043 – 67 – 4 4. Service procedures 4-2 A Sensor is Defective. 1 1 1 1 1 Indoor (heat exchanger) coil temp. Sensor is defective. (a) Open (=No continuity in sensor) Compressor and outdoor fan repeat ON for 10 minutes and OFF for 6 minutes when sensor opens. (b) Short “Freeze Prevention” does not operate when dehumidified water is frozen[...]

  • Page 68

    SM830043 – 68 – 4 4. Service procedures 4-4 Checking the Electrical Components (1) Measurement of Insulation Resistance • The electrical insulation is acceptable when the resistance exceeds 1 M Ω . 1 Power Supply Wires Clamp the earthed wire of the Power Supply wires with a lead clip of the insulation resistance tester and measure the resis[...]

  • Page 69

    SM830043 – 69 – 4 4. Service procedures (2) Checking the Protective Devices • Disconnect the connector, which consists of P (plug) and S (socket) when you want to check the protective device. • Then check continuity among plug’s (and/or socket’s) terminal as in Fig. 46 . • Normality of the protective device can be judged by the follow[...]

  • Page 70

    SM830043 – 70 – 4 4. Service procedures Fig. 47 Multimeter Fan motor Capacitor 0643_X_S (3) Checking the Electrical Parts 1 Power transformer (TR1) ................. Indoor unit *Measure the coil resistance. • Primary 220-240 V ; Measure the resistance between two WHT lead wire terminals of socket connected to power transformer. • Secondary[...]

  • Page 71

    SM830043 – 71 – 4 4. Service procedures 5 Fuse on indoor P.C.B. Ass’y • Remove the P.C.B. Ass’y from the electrical component box. Then pull out the fuse from the P.C.B. Ass’y. (Fig. 48) • The check for continuity of the fuse by using the multimeter. (Fig. 49) Having continuity is acceptable. (4) Thermistor Characteristic Curve 1 Room[...]