LG LWJ0561AAG Service Manual Download

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Room Air Conditioner

SERVICE MANUAL

MODEL: LWJ0561ACG

LWJ0561ACP/AAG

CAUTION

- BEFORE SERVICING THE UNIT, READ THE "SAFETY

PRECAUTIONS" IN THIS MANUAL.

- ONLY FOR AUTHORIZED SERVICE PERSONNEL.

WEBSITE

http://biz.LGservice.com

E-MAIL

http://www.LGEservice.com/techsup.html

Summary of Contents for LWJ0561AAG

Page 1: ... MANUAL MODEL LWJ0561ACG LWJ0561ACP AAG CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ONLY FOR AUTHORIZED SERVICE PERSONNEL WEBSITE http biz LGservice com E MAIL http www LGEservice com techsup html ...

Page 2: ...2 4 AIR GUIDE 7 2 3 ELECTRICAL PARTS 7 2 3 1 OVERLOAD PROTECTOR 7 2 3 2 COMPRESSOR 7 2 3 3 CAPACITOR 8 2 3 4 THERMOSTAT 8 2 3 5 ROTARY SWITCH 8 2 3 6 POWER CORD 8 2 4 REFRIGERANT CYCLE 8 2 4 1 CONDENSER 8 2 4 2 EVAPORATOR 9 2 4 3 CAPILLARY TUBE 9 3 INSTALLATION 11 3 1 SELECT THE BEST LOCATION 11 3 2 CHECK OF INSTALLATION 11 3 3 HOW TO DRAIN 11 3 4 HOW TO INSTALL 12 4 TROUBLESHOOTING GUIDE 12 4 1 O...

Page 3: ...E THERMOSTAT WASHABLE ONE TOUCH FILTER COMPACT SIZE 1 2 SPECIFICATIONS NOTE Specifications are subject to minor change without notice for further improvement MODELS ITEMS COOLING CAPACITY BTU h 5 000 POWER SUPPLY Phase V Hz 1Ø 220 240V 50HZ INPUT W 625 OPERATING CURRENT AMP 2 8 REFRIGERANT CONTROL CAPILLARY TUBE REFRIGERANT CHARGE R 22 200g INSIDE FAN TURBO OUTSIDE FAN PROPELLER FAN WITH SLINGER R...

Page 4: ...llic part on the equipment at all position except Off 0 of the ROTARY SWITCH 4 The value should be over 1 MΩ CAUTION After switching the air conditioner from Cool to Off 0 or Fan wait at least 3 minutes before switching it back to Cool Off Turns air conditioner off High Fan High speed fan operation with out cooling Low Fan Low speed fan operation with out cooling High Cool Cooling with high speed ...

Page 5: ... that secure the cabinet to the base and condenser See Figure 3 4 Lift the cabinet from the unit 5 Re install by referring to the procedures above 2 1 3 CONTROL BOARD 1 Disconnect the unit from the power source 2 Remove the front grille Refer to Section 2 1 1 3 Remove the cabinet Refer to Section 2 1 2 4 Remove 2 screws that secure the control board to base pan and air guide See Figure 4 5 Pull th...

Page 6: ...on 2 1 1 3 Remove the cabinet Refer to Section 2 1 2 4 Remove the control board Refer to Section 2 1 3 5 Remove the air guide upper Refer to Section 2 2 1 6 Remove 2 screws that secure the base pan to condenser See Figure 7 7 Remove 2 screws that secures the shroud to channel of condenser 8 Press the snap area of shroud with your thumbs This allows you to remove it from the condenser 9 Lift the co...

Page 7: ...ve 2 screws that secure the air guide to the base pan See Figure 11 9 Push the air guide backward and lift it upward See Fig ure 11 10 Re install by referring to the procedures above 2 3 ELECTRICAL PARTS 2 3 1 OVERLOAD PROTECTOR 1 Remove the front grille and cabinet Refer to Section 2 1 2 Remove the nut which fastens the terminal cover 3 Remove the terminal cover 4 Remove all the leads from the ov...

Page 8: ...e all the leads of the rotary switch terminals 5 Remove the rotary switch 6 Re install the components by referring to the removal procedure above 2 3 6 POWER CORD 1 Disconnect the unit from source of power 2 Remove the front grille Refer to Section 2 1 1 3 Remove the cabinet Refer to Section 2 1 2 4 Remove a screw that secures control board to base pan Refer to Section 2 1 3 5 Pulls the control bo...

Page 9: ... a few minutes then open slowly with the two full turns counter clock wise This will keep oil from foaming and being drawn into the vacuum pump 6 3 Operate the vacuum pump for 20 to 30 min utes until 600 micron vacuum is obtained Close valves A and B and observe vacuum gauge for a few minutes A rise in pressure would indicate a possible leak or moisture remaining in the system With valves A and B ...

Page 10: ... proof seal leak detector tubing cutter hand tools to remove components and service valve B A B A B A COMPOUND GAUGE SEE INSETS BELOW CAPILLARY TUBE EVAPORATOR LOW PRESSURE SIDE COMPRESSOR CONDENSER HIGH PRESSURE SIDE EXTERNAL VACUUM PUMP LO HI CHARGING CYLINDER MANIFOLD GAUGE C Figure 20A Pulling Vacuum Figure 20B Charging ...

Page 11: ...ditions must be checked prior to initial starting The under mentioned items are especially important checking points when the installation is finished 1 Grounding wire Green of Green Yellow is pro vided in the power cord The green wire must be grounded 2 Connect to a single outlet 15AMP circuit 3 To avoid vibration or noise make sure the air conditioner is installed securely 4 Avoid placing furnit...

Page 12: ... SIDE HORIZONTAL LINE D 1 WINDOW A WIDTH B HEIGHT 2 GASKET 3 WALL A B C D E F G 487mm 324mm 30mm 0 25mm OVER 240mm 5 10mm 5 5mm 19 3 16 12 3 4 1 1 16 0 1 9 15 32 3 16 3 8 3 16 3 16 4 TROUBLE SHOOTING GUIDE 4 1 OUTSIDE DIMENSION unit mm 370 472 312 Figure 24 Figure 25 ...

Page 13: ...GED AIR MOTOR COMPRESSOR ROOM AIR HEAT LOAD CAPILLARY TUBE LIQUID REFRIGERANT LIQUID OUTLET VAPOR INLET COMPLETE LIQUID BOIL OFF POINT SUCTION LINE COOL LOW PRESSURE VAPOR LIQUID PRESSURE DROP DISCHARGE LINE NOT HIGH PRESSURE VAPOR OUTSIDE COOLING AIR FOR REFRIGERANT PASS THROUGH EVAPORATOR COILS CONDENSER COILS ROOM AIR CONDITIONER CYCLE OF REFRIGERATION HIGH PRESSURE VAPOR LIQUID REFRIGERANT LOW...

Page 14: ...rence of inlet outlet air 44 50 F 7 10 C Replacement of unit if the unit is beyond repair Check outdoor coil heat exchanger and fan operation Check heat load increase Check cold air circulation for smooth flow Check gas leakage Clean condenser Not on separate circuit Check inside gas pressure Adjust refrigerant charge Malfunction of compressor Replacement of compressor Check clogging in refrigera ...

Page 15: ...ressor capacitor Replacement of compressor Motor damaged Irregular motor insulation Ω Irregular motor resistance Ω Check of circuit breaker and fuse Gas leakage of feeler bulb of thermostat Check control switch Fan only fails to start Improper wiring Defect of fan motor capacitor Replacement of fan motor Regular but fails to start Replacement of compressor Locking of piston metal Irregular motor r...

Page 16: ...Discharge Test capacitor capacitor before testing Replace if not within 10 of manufacturer s rating Replace if shorted open or damaged Will not rotate Fan blade hitting shroud or blower wheel hitting scroll Re align assembly Units using slinger ring condenser fans must have 0 22 0 25 inch clearance to the base If it is the base shim up the bottom of the fan motor with mounting screw s Check fan mo...

Page 17: ...fer to the wiring diagram for terminal identification Replace the switch if the circuit is open Thermostat Check the position of knob If not at the coldest setting advance the knob to this setting and restart the unit Check the continuity of the thermostat Replace the thermostat if the circuit is open Capacitor discharge Check the capacitor capacitor before Replace if not within 10 of manufacturer...

Page 18: ...ncrease causing the compressor to cycle Straighten the fins or replace the coil Capacitor Test the capacitor Wiring Check the terminals If loose repair or replace Refrigeration system Check the system for a restriction Insufficient cooling Air filter If restricted clean or replace Unit undersized Determine if the unit is properly sized for the area to be cooled Excessive noise Blower or fan Check ...

Page 19: ... ROTARY SWITCH THERMOSTAT BR BK RD BK RD OR BR YL BK BR Plain WH BL Ribbed GN GN YL COMP YL OR BR R S C CAPACITOR BK RD BL BR OLP 5 1 2 6 7 3 4 WIRING DIAGRAM DESCRIPTION NAME POWER CORD ASSY FAN MOTOR COMPRESSOR ROTARY SWITCH THERMOSTAT CAPACITOR OVERLOAD PROTECTOR Q TY 1 1 1 1 1 1 1 REF NO 1 2 3 4 5 6 7 ...

Page 20: ... 20 MODEL LWJ0561ACP AAG DESCRIPTION NAME POWER CORD ASSY FAN MOTOR COMPRESSOR ROTARY SWITCH THERMOSTAT CAPACITOR OVERLOAD PROTECTOR Q TY 1 1 1 1 1 1 1 REF NO 1 2 3 4 5 6 7 5 1 2 6 7 3 4 ...

Page 21: ...5313 352390 159900 2 145200 159900 1 130410 359012 W48602 135312 149410 354210 349480 352380 149980 559011 346811 554030 266003 264110 269310 W0CZZ 249950 135510 550140 554160 567502 352115 552111 552101 352113 35211A W48602 130910 ...

Page 22: ...10007A 4948A10007A 4948A10007A R 352113 TUBE DISCHARGE 5210A20511B 5210A20511B 5210A20511B R 352115 TUBE ASSEMBLY EVAPORATOR IN 5211A10063A 5211A10063A R 35211A TUBE ASSEMBLY SUCTION SINGLE 5211A10062E 5211A10062E 5211A10062E R 352380 AIR GUIDE 5238A20004A 5239A10005A 5239A10005A R 352390 AIR GUIDE ASSEMBLY 5239A30003A 5239A30003A 5239A30003A R 354210 EVAPORATOR ASSEMBLY FIRST 5421A10008B 5421A100...

Page 23: ...P NO 3828A20118B April 2002 Printed in Korea ...

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