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TH1 (Coil)

DPH

Connector

9P(WHT)

1 2 3 4

2 3 4

1 2 3 4 5 6 7 8 9

2 3 4 5 6 7 8 9

To Outdoor Unit
Power Supply

Terminal Plate(4P)

Connector
4P(WHT)

• Electric Wiring Diagram

GRN/YEL

Earth
Terminal

YEL

ORG

VLT

WHT

GRY

PNK

BRN

BLK

YEL

WHT

GRY

BLK

GRY

WHT

YEL

BLK

FMI

Controller (CR-X363GS)

2P(RED)

TH1

TH2 (Room)

BLK

2P(YEL)

TH2 DPH

3P(RED)

3P(GRN)

2P(WHT)

PRY

2P(WHT)

SEC

3P(BLU)

3P(RED)

3P(WHT)

49FMI

COM

5P(WHT)

SUP

BLK

WHT

RED

WHT

BRN

7P(WHT)

M H L

7P(WHT)

3P(WHT)

IND Lamp
Assy

Switch
Assy

RED

ORG

BRN

ORG

VLT

WHT

GRY

PNK

BRN

(A)

Indoor Unit

CA250X5TAA, CA360X5TAA, CA480X5TAA

3. ELECTRICAL DATA

3-2 Electric Wiring Diagrams / Schematic Diagrams

Содержание CA250X5TAA

Страница 1: ...TECHNICAL SERVICE MANUAL SPLIT SYSTEM AIR CONDITIONER CA250X5TAA GR250X5TAA CA250X5TAA GR250X7TAA CA360X5TAA GR360X7TAA CA480X5TAA GR480X7TAA 0 8180 112 1 05 01 ...

Страница 2: ...ooling Capacity 21 1 8 Noise Criterion Curves 25 1 9 Air Throw Distance Chart 27 2 PROCESSES AND FUNCTIONS 28 2 1 Room Temperature Control 28 2 2 Freeze Prevention Cooling 29 2 3 Drain Pump Control 29 2 4 Outdoor Fan Control 30 3 ELECTRICAL DATA 31 3 1 Electrical Characteristics 31 3 2 Electric Wiring Diagrams Schematic Diagrams 33 A Indoor Unit 33 B Outdoor Unit 35 4 SERVICE PROCEDURES 43 4 1 Tro...

Страница 3: ...onnection 25A 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 out...

Страница 4: ...25A 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 diamete...

Страница 5: ... 25A OD32mm 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 diamet...

Страница 6: ...A OD32mm Compressor 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 ...

Страница 7: ...resistance Ω BRN 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 X253GS Dew proof heater 240 V 26 W Auto...

Страница 8: ...0 V High rpm 6 530 Coil resistance Ω BRN 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 X483GS Dew proof...

Страница 9: ...3 10 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 Fan motor Model Nominal output W KFC6S 91C5P 100 W No of pole rpm 230V High rpm 6 868 Coil resistance Ω BRN WHT 61 0 Ambient temperature 20 C YEL PNK 17 7 WHT YEL 64 3 Safety device Internal type Operating temperature Open C 130 8 Close C 79 15 Run cap...

Страница 10: ...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 BRN WHT 61 0 YEL PNK 17 7 Ambient temperature 20 C WHT YEL 64 3 Safety device Operating...

Страница 11: ...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 pole rpm 230 V High rpm 6 871 Coil resistance Ω BRN W...

Страница 12: ... 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 Thermistor Room or coil sensor KTEC 35 S6 Coil resistance k 0 C 16 5 40 C 2 7 5 C 12 8 45 C 2 2 10 C 10 0 50 C 1 8 20 C 6 3 55 C 1 5 30 C 4 0 Drain pump WP20SL 21 Rated AC 230 V 14 7 W Float switch FS 0218 103 Rated Contact rated AC 230 V 50 W Switch Ass y SW X363GS Indicato...

Страница 13: ...ay 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 GR250X5TAA Compressor Motor Mgnetic Contactor FMCA 1SZ607 Coil rated AC 220 240 V 50 Hz Coil resistance at 20 C 828 15 Contact rated V A AC 440 V 13 A Auxiliary relay HH62S 085 Coil rated AC 24...

Страница 14: ...ntion 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 Suspention bolt mounting 342 15 X view 0410_X_S 207 100 205 61 760 50 150 255 207 8 8 1 SPECIFICATIONS 1 4 Dimensional Data ...

Страница 15: ... 590 Suspention bolt pitch 490 40 Air intake grille Air outlet 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 Suspension bolt mounting X view 0603_X_S 218 145 35 210 60 760 70 165 285 210 100 100 8 8 342 15 12 48 12 1 SPECIFICATIONS ...

Страница 16: ... 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 1 SPECIFICATIONS 1 4 Dimensional Data ...

Страница 17: ...60 170 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 1 SPECIFICATIONS ...

Страница 18: ...mulator Capillary Sub condenser Wide tube service valve Narrow tube service valve 0664_X_S Strainer Strainer HP High pressure switch 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 tube service valve Strainer Strainer 1 SPECIFICATIONS 1 5 Refrigerant Flow Diagram ...

Страница 19: ...rial The thickness of the insulation should be a min 8 mm After a tube has been insulated never try to bend it into a narrow curve because it can casue the tube to break or crack Insulator Thickness Min 8mm Narrow tube Wide tube 0133_C_I 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 Narr...

Страница 20: ... 20 Temperature Indoor air intake temp Outdoor air intake temp Maximum 35 C DB 22 5 C WB 52 C DB Minimum 18 C DB 14 C WB 19 C DB 1 SPECIFICATIONS 1 6 Operating Range ...

Страница 21: ...1 4 9 4 8 4 6 4 4 27 SHC 5 8 5 7 5 5 5 3 5 1 4 9 29 SHC 6 4 6 2 6 1 5 9 5 7 5 5 31 SHC 6 9 6 8 6 6 6 4 6 18 5 75 TC 7 88 7 6 7 3 6 94 6 54 6 1 CI 2 45 2 63 2 82 3 09 3 36 3 63 21 SHC 3 4 3 3 3 2 3 2 8 2 7 23 SHC 4 3 9 3 7 3 6 3 4 3 2 19 25 SHC 4 6 4 4 4 3 4 1 4 3 8 27 SHC 5 1 5 4 9 4 7 4 5 4 3 29 SHC 5 7 5 5 5 4 5 3 5 1 4 9 31 SHC 6 2 6 1 6 5 8 5 6 5 4 TC 8 14 7 85 7 56 7 21 6 86 6 46 CI 2 52 2 7 ...

Страница 22: ...5 SHC 5 3 5 1 4 9 4 8 4 6 4 4 27 SHC 5 8 5 7 5 5 5 3 5 1 4 9 29 SHC 6 4 6 2 6 1 5 9 5 7 5 5 31 SHC 6 9 6 8 6 6 6 4 6 18 5 75 TC 7 88 7 6 7 3 6 94 6 54 6 1 CI 2 15 2 3 2 47 2 65 2 82 3 21 SHC 3 4 3 3 3 2 3 2 8 2 7 23 SHC 4 3 9 3 7 3 6 3 4 3 2 19 25 SHC 4 6 4 4 4 3 4 1 4 3 8 27 SHC 5 1 5 4 9 4 7 4 5 4 3 29 SHC 5 7 5 5 5 4 5 3 5 1 4 9 31 SHC 6 2 6 1 6 5 8 5 6 5 4 TC 8 14 7 85 7 56 7 21 6 86 6 46 CI 2...

Страница 23: ...7 8 7 6 7 3 7 1 6 8 27 SHC 8 9 8 7 8 5 8 3 8 7 7 29 SHC 9 9 9 7 9 4 9 2 8 9 8 34 31 SHC 10 8 10 6 10 11 9 57 8 98 8 34 TC 11 45 11 03 10 6 10 07 9 5 8 85 CI 2 23 2 39 2 56 2 79 3 01 3 24 21 SHC 5 4 8 4 6 4 4 4 2 3 9 23 SHC 5 9 5 7 5 6 5 3 5 1 4 8 19 25 SHC 6 9 6 7 6 5 6 3 6 5 8 27 SHC 7 8 7 6 7 4 7 2 7 6 7 29 SHC 8 7 8 5 8 4 8 1 7 9 7 6 31 SHC 9 7 9 5 9 3 9 1 8 8 8 6 TC 11 82 11 41 10 97 10 47 9 9...

Страница 24: ... 1 8 8 8 4 8 27 SHC 10 7 10 4 10 1 9 7 9 3 8 9 29 SHC 11 6 11 3 11 10 6 10 3 9 9 31 SHC 12 6 12 3 11 9 11 6 11 2 10 8 TC 15 12 14 57 14 13 3 12 54 11 69 CI 3 63 3 89 4 17 4 59 5 02 5 44 21 SHC 6 7 6 4 6 2 5 8 5 5 5 1 23 SHC 7 6 7 4 7 1 6 8 6 4 6 19 25 SHC 8 6 8 3 8 7 7 7 3 7 27 SHC 9 5 9 2 8 9 8 6 8 3 7 9 29 SHC 10 4 10 2 9 9 9 6 9 2 8 8 31 SHC 11 4 11 1 10 8 10 5 10 1 9 8 TC 15 61 15 06 14 49 13 ...

Страница 25: ...is used Read the number on each BAND CENTER FREQUENCIES horizontal axis ranging from 63Hz to 8000Hz and select the maximum value vertical axis among them 90 80 70 60 50 40 30 20 10 60 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF CONTINUOUS NOISE NC 70 NC 50 NC 60 NC 40 NC 30 NC 20 OCTAVE BAND SOUND PRESSURE LEVEL dB 0dB 0 0002 µbar BAND CENTER FREQUENCIES Hz 60 50 40 30 20 10 OCTAVE BA...

Страница 26: ...al axis among them MODEL CA480X5TAA SOUND LEVEL HIGH 43 dB A NC 36 LOW 36 dB A NC 24 CONDITION Distance 1m Under the unit 1 5 m SOURCE 220 230 240 V 1 Phase 50 Hz MODEL GR480X7TAA SOUND LEVEL 56 dB A NC 47 CONDITION Distance 1 m Height 1 m SOURCE 380 400 415 V 3 Phase 50 Hz 60 50 40 30 20 10 OCTAVE BAND SOUND PRESSURE LEVEL dB 0dB 0 0002 µbar 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOL...

Страница 27: ...EED COOLING ROOM AIR TEMP LOUVER ANGLE HIGH 27 30 COOLING 0 3 m s 0659_X_S MODEL CA360X5TAA CA480X5TAA 0 1 2 3 4 5 6 0 1 2 3 4 HORIZONTAL DISTANCE m AXIS AIR VELOCITY m s VERTICAL DISTANCE m AXIS AIR VELOCITY FAN SPEED COOLING ROOM AIR TEMP LOUVER ANGLE HIGH 27 30 COOLING 0 3 m s 0661_X_S 1 SPECIFICATIONS 1 9 Air Throw Distance Chart ...

Страница 28: ...uit 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 OFF In case of wireless remot...

Страница 29: ...or 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 water level OFF high water level C...

Страница 30: ... 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 2 PROCESSES AND FUNCTIONS ...

Страница 31: ... Outdoor model GR250X7TAA Indoor Unit Outdoor Unit Complete Unit Fan Motor Fan Motor Compressor Performance at 220 240 V 1 phase 50 Hz 380 415 V 3 phase 50 Hz Rating conditions A 0 60 0 63 0 75 0 78 4 32 4 20 4 74 4 62 kW 0 13 0 15 0 17 0 19 2 46 2 47 2 76 2 81 Full load conditions A 0 60 0 63 0 75 0 78 5 52 5 22 5 95 5 65 kW 0 13 0 15 0 17 0 19 3 27 3 26 3 56 3 59 Starting amperes A 1 1 1 1 25 28...

Страница 32: ...ons A 0 92 0 93 1 51 1 56 7 66 8 19 8 37 8 86 kW 0 20 0 22 0 33 0 37 4 17 4 27 4 70 4 86 Full load conditions A 0 92 0 93 1 51 1 56 10 18 10 07 10 93 10 81 kW 0 20 0 22 0 33 0 37 5 87 5 88 6 40 6 48 Starting amperes A 2 2 3 3 66 70 71 75 Rating Conditions Indoor Air Temperature 27 C DB 19 C WB Outdoor Air Temperature 35 C DB Full Load Conditions Indoor Air Temperature 35 C DB 22 5 C WB Outdoor Air...

Страница 33: ...l 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 BLK WHT WHT RED WHT BRN BRN BRN 7P WHT M H L 7P WHT 3P WHT 7 1 7 1 IND Lamp Assy Switch Assy RED ORG BRN C ORG VLT WHT GRY GRY P...

Страница 34: ...FMI 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 Controller Indicator Lamp Assy Switch Assy Terminal Plate Connector Terminal CA25...

Страница 35: ...EL 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 AE425SCE P S C H L 23S YEL WHT GRY BRN PNK RED RED B Outdoor Unit GR250X5TAA 3 ELECTRICAL DATA 3 2 Electric Wiring Diagrams Schematic Diagrams ...

Страница 36: ...W T 52C Schematic Diagram 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 GR250X5TAA 3 ELECTRICAL DATA ...

Страница 37: ...6 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 GR250X7TAA 3 ELECTRICAL DATA ...

Страница 38: ...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 GR250X7TAA 3 ELECTRICAL DATA ...

Страница 39: ...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 P S FM2 C2 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 3 8 7 1 4 5 1Y 2 6 C H L 23S WHT ORG WHT VLT WHT WH...

Страница 40: ...cription 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 2Y 3 CM GR360X7TAA 3 ELECTRICAL DATA ...

Страница 41: ... 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 P S FM2 C2 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 3 8 7 1 4 5 1Y 2 6 C H L 23S WHT ORG WHT VLT WHT WHT...

Страница 42: ...iagram 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 GR480X7TAA 3 ELECTRICAL DATA ...

Страница 43: ...ge 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 wires and connectors in i...

Страница 44: ...ower 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 insulation resistance of elec...

Страница 45: ...r 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 breaker sufficient Check res...

Страница 46: ... 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 Consult power supply company and r...

Страница 47: ...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 louver motor winding LM ...

Страница 48: ... 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 relay 47C Dose it operate...

Страница 49: ...witch 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 contactor 52C Only outdoor fan do...

Страница 50: ...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 remote control unit is defect...

Страница 51: ...r in bearing GR360X7TAA and GR480X7TAA 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 then S V on the magnetic contactor OK ...

Страница 52: ...ide 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 Reduce cooling load or rep...

Страница 53: ... 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 4 SERVICE PROCEDURES ...

Страница 54: ...mpressor 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 Thermo ON V V V V V V Thermo O...

Страница 55: ...ce 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 illustrated on the right Refer to ...

Страница 56: ...re 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 Outdoor unit Disconnect ...

Страница 57: ...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 in Fig 47 Observe the def...

Страница 58: ...ng 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 4 SERVICE PROCEDURES ...

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Technibel CA250X5TAA, Техническое и сервисное руководство

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