LG LN-0320CC/AC(F) Service Manual Download Page 26

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Exploded View and Replacement Parts List

LN-0321CC/AC(F), LN-C0362SA0

LN-0421CC/AC(F), LN-04B0CC/AC(F), LN-C0482TA0, LN-C048BTA0

LN-0521CC/AC(F), LN-05B0CC/AC(F), LN-C0602TA0, LN-C060BTA0

546810

MOTOR ASSEMBLY,OUTDOOR

4681A20013R

552203-1

VALVE,SERVICE

2A00392F

552203-2

VALVE,SERVICE

2A00393A

554031

CONDENSER ASSEMBLY,BENT

5403A20022V

5403A20066D

554160

COMPRESSOR SET

2520UFHK2AA

559010

FAN ASSEMBLY,PROPELLER

1A00195B

566001

SWITCH,MAGNET

2A00771F

649950

CONTROL BOX ASSEMBLY,OUTDOOR

4995AP2136S

W0CZZ-1

CAPACITOR,DRAWING

2A00986D

W0CZZ-2

CAPACITOR,DRAWING

2A00986A

LOCATION No.

DESCRIPTION

LN-0321CC,

LN-C0362SA0

LN-0321AC(F)

REMARK

546810

MOTOR ASSEMBLY,OUTDOOR

4681A20039B

4681A20039B 4681A20039A 4681A20039A

552203-1

VALVE,SERVICE

2A00499E

552203-2

VALVE,SERVICE

2H01890A

554031

CONDENSER ASSEMBLY,BENT

5403A10019D

5403A10019F 5403A10019D 5403A10019F

554160

COMPRESSOR SET

2520UFJK1AA 2520UFJK1AA 5417A20008Q 5417A20008Q

559010

FAN ASSEMBLY,PROPELLER

5901A10010A

5901A10010A 5901A10010A 5901A10010A

566001

SWITCH,MAGNET

2A00771F

6600B000040

649950

CONTROL BOX ASSEMBLY,OUTDOOR

4995A20147F

4995A20147F 4995A20147E 4995A20147E

W0CZZ-1

CAPACITOR,DRAWING

2A00986D

W0CZZ-2

CAPACITOR,DRAWING

2A00986A

LOCATION

No.

DESCRIPTION

LN-0421CC,

LN-C0482TA0

LN-0421AC(F)

LN-04B0CC,

LN-C048BTA0

LN-04B0AC(F) REMARK

546810

MOTOR ASSEMBLY,OUTDOOR

4681A20039B

4681A20039B 4681A20039A 4681A20039A

552203-1

VALVE,SERVICE

2A00499E

552203-2

VALVE,SERVICE

2H01890A

554031

CONDENSER ASSEMBLY,BENT

5403A10019D

5403A10019F 5403A10019D 5403A10019F

554160

COMPRESSOR SET

2A01094E

5417A20008N 5417A20008N

559010

FAN ASSEMBLY,PROPELLER

5901A10010A

5901A10010A 5901A10010A 5901A10010A

566001

SWITCH,MAGNET

2A00771F

6600B000040

649950

CONTROL BOX ASSEMBLY,OUTDOOR

4995A20147G 4995A20147G 4995A20147C 4995A20147C

W0CZZ-1

CAPACITOR,DRAWING

2A00986D

W0CZZ-2

CAPACITOR,DRAWING

6120AR2194T 6120AR2194T

667482

P.T.C. ASSY

3A01911B

LOCATION

No.

DESCRIPTION

LN-0521CC,

LN-C0602TA0

LN-0521AC(F)

LN-05B0CC,

LN-C060BTA0

LN-05B0AC(F) REMARK

Summary of Contents for LN-0320CC/AC(F)

Page 1: ...CE MANUAL MODELS 3RT LN 0320CC AC F LN 0321CC AC F LN C0362SA0 LN C0362TA0 4RT LN 0420CC AC F LN 0421CC AC F LN 04B0CC AC F LN C0482SA0 LN C0482TA0 LN C048BTA0 5RT LN 0520CC AC F LN 0521CC AC F LN 05B0CC AC F LN C0602SA0 LN C0602TA0 LN C060BTA0 ...

Page 2: ... 2 Contents General Data 3 Dimensions 6 Wiring Diagram 7 Troubleshooting Guide 11 Features of Controller 17 Exploded View and Replacement Parts List 18 Specification of Components 28 ...

Page 3: ...V 1PH 220V 1PH 220V 1PH 220V 1PH 20 2 20 2 23 31 7 4 000 3 750 5 000 4 200 1 300 1 200 1 695 1 600 7 89 9 3 9 6 8 8 8 6 5 Washable antifungus Washable antifungus Washable antifungus Washable antifungus Reciprocating Scoll Reciprocating Scroll 1 1 1 1 High efficiency High efficiency High efficiency High efficiency 0 276 0 276 0 276 9 32 7 7 7 7 2R 18FPI 2R 17FPI 2R 18FPI 2R 18FPI 32 2 32 2 48 8 48 ...

Page 4: ...ifungus Washable antifungus Washable antifungus Washable antifungus Reciprocating Reciprocating Reciprocating Reciprocating 1 1 2 High efficiency High efficiency High efficiency High efficiency 9 32 0 276 9 32 9 32 7 7 7 7 2R 18FPI 2R 18FPI 2R 18FPI 2R 18FPI 48 27 32 53 4 53 7 16 53 7 16 1 240 4 1 357 4 1 357 1 357 4 11 19 12 27 12 27 12 27 1 04 1 14 1 14 1 14 High efficiency High efficiency High ...

Page 5: ...t Refrigerant Charge Lbs Dimensions Indoor unit WxHxD inch mm Outdoor unit WxHxD inch mm Weight Indoor unit kg lbs Outdoor unit kg lbs LN C0482SA0 LN C0602SA0 47 000 58 000 11 845 14 617 220V 220V 1PH 31 7 41 1 4 200 6 000 1 600 1 800 11 10 6 5 6 5 Washable antifungus Washable antifungus Scroll Scroll 1 1 High efficiency High efficiency 9 32 9 32 7 7 2R 18FPI 2R 18FPI 48 27 32 53 7 16 1 240 4 1 35...

Page 6: ...ain Horizontal 3 4 NPT Female Suction line Suction line Suction line 35 4 900 48 2 1 225 14 6 370 A 18 5 470 23 6 600 B 18 9 480 19 7 500 C 39 9 1014 44 7 1135 D 3 3 84 5 4 136 E 11 9 303 13 0 329 F 5 6 142 7 1 181 G 12 0 304 12 6 319 H 0 6 15 0 6 15 I 4 3 110 6 7 170 J 6 3 160 9 4 240 K 1 7 43 2 5 64 L 2 0 50 2 8 71 M 2 0 52 2 3 58 N 1 8 45 2 1 54 P 1 3 32 1 5 38 Q 8 7 221 11 2 285 R 19 1 485 23 ...

Page 7: ...THE TYPE AND GRADE OF COMPRESSOR REFER TO THE TECHNICAL GUIDE BOOK OR SERVICE MANUAL FOR DETAIL INFORMATION MODEL LN _ 04 LN _ 05 a b c BK SUPER_HI BL HI BL HI BK SUPER_HI RD LOW RD LOW P T C IS AN OPTIONAL PART IT IS DEPENDED ON THE TYPE AND GRADE OF COMPRESSOR REFER TO THE TECHNICAL GUIDE BOOK OR SERVICE MANUAL FOR DETAIL INFORMATION FACTORY WIRING OPTIONAL WIRING FIELD WIRING BK BLACK OR ORANGE...

Page 8: ...USING ELECTRIC HEATER A T1 T2 L2 L1 B R G Y W with LG s THERMOSTAT FACTORY WIRING OPTIONAL WIRING FIELD WIRING BK BLACK OR ORANGE YL YELLOW BR BROWN RD RED WH WHITE BL BLUE GN YL GREEN YELLOW 1Ø 220V 60Hz POWER SUPPLY 1Ø 220V 60Hz POWER SUPPLY OUTDOOR UNIT OUTDOOR UNIT INDOOR UNIT INDOOR UNIT TERMINAL BLOCK TERMINAL BLOCK TERMINAL BLOCK TERMINAL BLOCK TERMINAL BLOCK TERMINAL BLOCK THERMOSTAT FOR E...

Page 9: ...LOW RD LOW MECHANICAL THERMOSTAT LN 04B0CC AC F LN 05B0CC AC F LN C048BTA0 LN C060BTA0 FACTORY WIRING OPTIONAL WIRING FIELD WIRING BK BLACK OR ORANGE YL YELLOW BR BROWN RD RED WH WHITE BL BLUE GN YL GREEN YELLOW 1Ø 220V 60Hz POWER SUPPLY 1Ø 220V 60Hz POWER SUPPLY OUTDOOR UNIT OUTDOOR UNIT INDOOR UNIT INDOOR UNIT TERMINAL BLOCK TERMINAL BLOCK TERMINAL BLOCK TERMINAL BLOCK TERMINAL BLOCK THERMISTER ...

Page 10: ...H BK RD C COMP R S L2 L1 T2 T1 B B MAGNETIC CONTACT For comp A L2 L1 T2 T1 B RD RD TERMINAL BLOCK 3 4 RD OR BL TERMINAL BLOCK CAPACITOR MOTOR IN OUTDOOR UNIT INDOOR UNIT BR BR OR OR YL YL a c b OR BL BL POWER RELAY For I Motor FUSE 250V 10A BK 4 6 A B RD BL RD RD BL OR TERMINAL BLOCK PILLAR TERMINAL WH GN YL GN YL BK BL OR WH BK BK BL BL BL RD RD RD BK YL OR BK BLACK BR BROWN BL BLUE OR ORANGE RD ...

Page 11: ...rigerant charge Malfunction of compressor Replacement of compressor Check of cold warm air cir culation for smooth flow Dirty indoor coil heat exchanger Malfunction of fan Clogging of air filter Obstruction at air outlet Countermeasure against above trouble Check clogging in refrigera tion circuit Repair clogging in refrigera tion circuit In general possible trouble is classified in two causes The...

Page 12: ...sulation Ω Replacement of fan motor Improper electric heater Replacement of electric heater Regular but fails to start Replacement of compressor Electric heater is not energized Loose terminal connection Improper wiring Irregular motor resistance Ω Irregular motor insulation Ω Replacement of compressor Drop of power voltage Capacitor check Replacement of capacitor Compressor only fails to start Ch...

Page 13: ...ase that the same power source is supplied to other equip ment except the unit what and where troubled can be discovered by checking the operation of other equipment Measure it with a tester Make short circuit then measure it with tester Check it with the eyes or tester Repair a switch box and relative instrument Replacement of fuse Request a power supplier to repair Check the power source Use a t...

Page 14: ...MEDY Magnetic switch for compressor motor Compressor motor High pressure switch Option part Electric circuit Defective contact magnetic coil troubled Troubled over heated layer short Troubled or defective contact or operating Defective connection or disconnection of the circuit for compressor Check it with the eyes on with a tester Check how it is insulated Check it with a tester Check it with a t...

Page 15: ...hat difference between the saturating temperature corresponding to high pressure and the temperature of air discharged from the outdoor coil is more than 15 C incondensable gas may be blended Check it with a pressure gauge Confirm the wind blowing out upward Check it with eyes Wash it by means of something like chemical washing Extract air by vacuum pump then replenish charge the refrigerant Read ...

Page 16: ...s Cleaning 4 All the functions are performed as specified but very noisy and vibrant WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY Compressor Blower Screws Electric troubles Magnetic contactor Others Checking Checking Checking Checking Improper installation Checking Replace the compressor Repair or replace it Clear the foreign bodies Correct Repair and clean or replace it Correct it Liquid refriger...

Page 17: ...M JQ1a 12V Magnetic Relay AC220V 60Hz R02M 47K IC01M KA393 D04D 1 0 D02D D05D C02D 104 C04D 104 IC01D 7812 C01D 470uF 25V D03D D02D D05D 1SR139 600 3 8 1 2 4 C01M 3 3uF IC2 C7 IC1 C1 CN1 CN4 CN2 D1 D2 D3 D4 D5 C4 RY1 R5 R8 R9 R6 D6 C6 C8 R7 D7 R3 R2 C2 R4 R1 R10 PCB 2Q01062A C3 C5 Q1 Q2 IC3 CN3 1 Timer PCB Circuit Diagram 2 Timer PCB ASSY ...

Page 18: ...704 269140 330860 1 359012 267110 152302 346810 330860 2 1 Indoor Unit Exploded View LN 0320CC AC F LN 0321CC AC F LN 0420CC AC F LN 0421CC AC F LN 04B0CC AC F LN 0520CC AC F LN 0521CC AC F LN 05B0CC AC F LN C0362SA0 LN C0362TA0 LN C0482SA0 LN C0482TA0 LN C048BTA0 LN C0602SA0 LN C0602TA0 LN C060BTA0 ...

Page 19: ...1A20063A 6711A20063A Option 269140 TIMER 3Q01017B 3Q01017B 330860 1 DRAIN PAN 3086A10006A 3086A10006A 330860 2 DRAIN PAN 3086A10007A 3086A10007A 346810 MOTOR ASSEMBLY INDOOR 4681A20022H 4681A20022H 354210 1 EVAPORATOR ASSEMBLY FIRST 5421A10002M 5421A10002M 354210 2 EVAPORATOR ASSEMBLY FIRST 5421A10002N 5421A10002N 359012 FAN ASSEMBLY BLOWER 2A00578M 2A00578M 552111 TUBE ASSY CAPILLARY 5211A20297B ...

Page 20: ...81A20057B 4681A20057B 4681A20022H 4681A20022H 354210 1 EVAPORATOR ASSEMBLY FIRST 5421A10002J 5421A10002J 5421A10002M 5421A10002M 354210 2 EVAPORATOR ASSEMBLY FIRST 5421A10002K 5421A10002K 5421A10002N 5421A10002N 359012 FAN ASSEMBLY BLOWER 2A00578V 2A00578V 2A00578M 2A00578M 552111 TUBE ASSY CAPILLARY 5211A20297U 5211A20297U 5211A20758A 5211A20758A W0CZZ CAPACITOR DRAWING 0CZZA20001B 0CZZA20001B 0C...

Page 21: ...63A 6711A20063A Option 330860 1 DRAIN PAN 3086A10006A 3086A10006A 330860 2 DRAIN PAN 3086A10007A 3086A10007A 346810 MOTOR ASSEMBLY INDOOR 4681A20057B 4681A20057B 354210 1 EVAPORATOR ASSEMBLY FIRST 5421A10002J 5421A10002J 354210 2 EVAPORATOR ASSEMBLY FIRST 5421A10002K 5421A10002K 359012 FAN ASSEMBLY BLOWER 2A00578V 2A00578V 552111 TUBE ASSY CAPILLARY 5211A20297U 5211A20297A W0CZZ CAPACITOR DRAWING ...

Page 22: ... 22 Exploded View and Replacement Parts List 554160 552203 1 552203 2 559010 546810 554031 249950 W0CZZ 2 566001 W0CZZ 1 2 Outdoor Unit Exploded View 3RT SIDE DISCHARGE MODELS ...

Page 23: ... 23 Exploded View and Replacement Parts List 546810 559010 552203 1 W0CZZ 1 554160 249950 552203 2 566001 667482 W0CZZ 2 554031 2 554031 1 Exploded View 4RT 5RT TOP DISCHARGE MODELS ...

Page 24: ... 24 Exploded View and Replacement Parts List 559010 546810 552203 1 552203 2 554032 554160 566001 249950 W0CZZ 1 W0CZZ 2 Exploded View 4RT 5RT SIDE DISCHARGE MODELS ...

Page 25: ...ER ASSEMBLY BENT 5403A10001H 5403A20057M 554160 COMPRESSOR SET 5417A20009A 5417A20009A 559010 FAN ASSEMBLY PROPELLER 5901A10010A 5901A10010A 566001 SWITCH MAGNET 2A00771F 2A00771F 649950 CONTROL BOX ASSEMBLY OUTDOOR 4995A20147A 4995A20147A W0CZZ 1 CAPACITOR DRAWING 2A00986D 2A00986D W0CZZ 2 CAPACITOR DRAWING 2A00986A 2A00986A 667482 P T C ASSY 3A01911B 3A01911B LOCATION No DESCRIPTION LN 0420CC LN...

Page 26: ...5417A20008Q 559010 FAN ASSEMBLY PROPELLER 5901A10010A 5901A10010A 5901A10010A 5901A10010A 566001 SWITCH MAGNET 2A00771F 2A00771F 6600B000040 6600B000040 649950 CONTROL BOX ASSEMBLY OUTDOOR 4995A20147F 4995A20147F 4995A20147E 4995A20147E W0CZZ 1 CAPACITOR DRAWING 2A00986D 2A00986D 2A00986D 2A00986D W0CZZ 2 CAPACITOR DRAWING 2A00986A 2A00986A LOCATION No DESCRIPTION LN 0421CC LN C0482TA0 LN 0421AC F...

Page 27: ...ONDENSER ASSEMBLY BENT 5403A20125A 5403A20125A 554160 COMPRESSOR SET 2520UFJK1AA 2520UNDK2AA 559010 FAN ASSEMBLY PROPELLER 1A00195B 1A00195B 566001 SWITCH MAGNET 2A00771F 2A00771F 649950 CONTROL BOX ASSEMBLY OUTDOOR 4995A20317B 4995A20317B W0CZZ 1 CAPACITOR DRAWING 0CZZA20001D 0CZZA20001D W0CZZ 2 CAPACITOR DRAWING 2A00986D 2A00986D 667482 P T C ASSY 3A01911A LOCATION No DESCRIPTION LN C0482SA0 LN ...

Page 28: ... 12mm 15mm 15mm 930 930 970 970 1 1 1 1 2A00986B 1A00195B 5901A10010A 5901A10010A 460 mm 460 mm 556 mm 556 mm 2A00278U 2A00278U 2A00278M 2A00278M 190mm 182mm 190mm 182mm 190mm 270mm 190mm 270mm 2A00986A 2A00986A 2A00986A 6120AR2194T 40µF 370 400V 50 60Hz 45µF 370 400V 50 60Hz 45µF 370 400V 50 60Hz 55µF 370 400V 50 60Hz 2A00986D 2A00986D 0CZZA20001B 0CZZA20001B 6µF 370 400V 50 60Hz 6µF 370 400V 50 ...

Page 29: ... 207 W 207 W 207 W 207 W 15mm 15mm 15mm 15mm 970 970 970 970 1 1 1 1 5901A10010A 5901A10010A 5901A10010A 5901A10010A 556 mm 556 mm 556 mm 556 mm 2A00578V 2A00278M 2A00578V 2A00278M 190mm 182mm 190mm 270mm 190mm 182mm 190mm 270mm 2A00986A 2A00986A 6120AR2194T 6120AR2194T 45 370 400V 50 60Hz 45 370 400V 50 60Hz 55 110V 50Hz 55 110V 50Hz 0CZZA20001B 0CZZA20001B 0CZZA20001B 0CZZA20001B 6 370 400V 50 6...

Page 30: ... 2520UFJK1AA 2520UFJK2AA SQ042KAA SR061KAA 16 24 81 179 1 1 4681A20008J 4681A20008J 347 W 347 W 15mm 15mm 995 Hi 995 Hi 1 1 4681A20039B 4681A20039B 90 W 90 W 12mm 12mm 930 930 2 2 1A00195B 1A00195B 460 mm 460 mm 2A00578V 2A00578V 190mm 182mm 190mm 270mm 0CZZA20001D 0CZZA20001D 6µF 450V 50 60Hz 15µF 450V 50 60Hz 0CZZA20001B 0CZZA20001B 15µF 450V 50Hz 50mm 15µF 450V 50Hz 50mm 2A00986D 2A00986D 6µF 3...

Page 31: ...P No 3828A20220D January 2005 Printed in Korea ...

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