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W051CA

W061CA

LA050MG

LA060MG1

5050 Btu/h

6000 Btu/h

5500KJ/H

6000KJ/H

520

620

520

555

4.8

5.8

2.4

2.5

9.7BTU/W.h

10.6KJ/H-W

10.8KJ/H-W

OPERATING

CONDITION

220

270

Ø5 2R 10C SLIT-FIN

Ø7 1R 14C, LOUVERED-FIN

* DB:Dry Bulb

**WB:Wet Bulb

1. SPECIFICATIONS

(3 WIRE WITH GROUDING)

ATTACHMENT PLUG (CORD-CONNECTED TYPE)

DRAIN PIPE OR SPLASHED BY FAN SLINGER

TOP DOWN CHASSIS

2WAY (RIGHT & LEFT)

OVERLOAD PROTECTOR(Internal)

INTERNAL THERMAL PROTECTOR

COMPRESSOR

FAN MOTOR

CONSTRUCTION

AIR DIRECTION CONTROL

DRAIN SYSTEM

PROTECTOR

POWER CORD

OPERATION CONTROL

ROOM TEMP. CONTROL

FAN MOTOR

FAN, OUTDOOR

FAN SPEEDS, FAN/COOLING

FAN, INDOOR

CONDENSER

EVAPORATOR

REFRIGERANT (R-22) CHARGE

INDOOR (°C)

OUTDOOR (°C)

E.E.R (BTU/W.h)

RUNNING CURRENT (A)

INPUT (W)

COOLING CAPACITY

POWER SUPPLY

. MODELS
. .
ITEMS

1ø, 115V~, 60Hz

1ø, 230V~, 60Hz

27(DB)* 19(WB)**

TURBO FAN

Ø7 2R 10C SLIT-FIN

Ø5 2R 14C, LOUVERED-FIN

35(DB)* 24(WB)**

35(DB)* 27(WB)**

PROPELLER TYPE FAN WITH SLINGER-RING

4 POLES

2/2

250

ROTARY SWITCH

THERMOSTAT

SPECIFICATIONS ARE SUBJECT TO MINOR CHANGE WITHOUT NOTICE FOR FURTHER
IMPROVEMENT.

NOTICE

6 Room Air Conditioner

Product Specifications

Product Specifications

Содержание W051CA

Страница 1: ...051HGAA2 AWYBLAT W051CA TWC052HGAA0 AWYBLCP LA050MG TWC061HGAA2 AWYBLAT W061CA TWC062HGAA0 AWYBLCP LA060MG1 CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ONLY FOR AUTHORIZED SERVICE PERSONNEL website http www lgservice com ...

Страница 2: ...ow to Install 7 Operation 8 Features 8 Insulation Resistance Test 8 About the Controls on the Air conditioner 8 Disassembly 9 Mechanical Parts 9 Air Handling Parts 10 Electrical Parts 11 Refrigerating Cycle 12 Schematic Diagram 15 Wiring Diagram 15 Troubleshooting Guide 16 Piping System 16 Troubleshooting Guide 17 Room Air Conditioner Voltage Limits 19 Exploded View 22 Replacement Parts List 23 ...

Страница 3: ...indications Meanings of symbols used in this manual are as shown below WARNING CAUTION This symbol indicates the possibility of death or serious injury This symbol indicates the possibility of injury or damage to property only WARNING Installation Do not use damaged power cord plugs or a loose socket There is risk of fire or electric shock Always use the power plug and socket with the ground termi...

Страница 4: ...nd installing the product Sharp edges could cause injury Be especially careful of the case edges and the fins on the condenser and evaporator Do not store or use flammable gas or com bustibles near the air conditioner There is risk of fire or failure of product Be sure the installation area does not deterio rate with age If the base collapses the air conditioner could fall with it causing property...

Страница 5: ...472 18 9 16 H mm inch 312 12 1 4 D mm inch 370 14 9 16 Model Dimension All Model Outside Dimensions This symbol alerts you to the risk of electric shock This symbol alerts you to hazards that could cause harm to the air conditioner This symbol indicates special notes NOTICE Symbols Used in this Manual Service Manual 5 ...

Страница 6: ...OR CONSTRUCTION AIR DIRECTION CONTROL DRAIN SYSTEM PROTECTOR POWER CORD OPERATION CONTROL ROOM TEMP CONTROL FAN MOTOR FAN OUTDOOR FAN SPEEDS FAN COOLING FAN INDOOR CONDENSER EVAPORATOR REFRIGERANT R 22 CHARGE INDOOR C OUTDOOR C E E R BTU W h RUNNING CURRENT A INPUT W COOLING CAPACITY POWER SUPPLY MODELS ITEMS 1ø 115V 60Hz 1ø 230V 60Hz 27 DB 19 WB TURBO FAN Ø7 2R 10C SLIT FIN Ø5 2R 14C LOUVERED FIN...

Страница 7: ... OF INNER SILL is more than 1 two of wood strip are not necessary NOTICE Installation Installation Select the Best Location How to Install This air conditioner is designed with a button down chassis so it can be easily installed in a window 1 To prevent vibration and noise make sure the unit is installed securely and firmly 2 Install the unit where the sun does not shine directly on the unit 3 The...

Страница 8: ... equipment at all positions except Off of the ROTARY SWITCH 4 The value should be over 1 MΩ Operation Operation High Fan Low Fan High Cool Off Low Cool Thermostat 1 2 3 4 5 6 7 8 9 Off Turns air conditioner off High Fan High speed fan operation without cooling Low Fan Low speed fan operation without cooling High Cool Cooling with high speed fan operation Low Cool Cooling with low speed fan operati...

Страница 9: ... Lift the cabinet from the unit 5 Re install by referring to the procedures above 3 CONTROL BOARD 1 Disconnect the unit from the power source 2 Remove the front grille Refer to Section 1 3 Remove the cabinet Refer to Section 2 4 Remove 2 screws that secure the control board to base pan and air guide See Figure 16 5 Pull the control board toward yourself Controls wires and capacitor are now accessi...

Страница 10: ...emove the control board Refer to Section 3 5 Remove the air guide upper Refer to Section 24 6 Remove 2 screws that secure the base pan to con denser See Figure 19 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 compressor upward with the evaporator and condenser See Figure ...

Страница 11: ...e the air guide to the base pan See Figure 23 9 Push the air guide backward and lift it upward See Figure 23 10 Re install by referring to the procedures above 8 OVERLOAD PROTECTOR 1 Remove the front grille and cabinet Refer to Section 1 2 2 Remove the nut which fastens the terminal cover 3 Remove the terminal cover 4 Remove all the leads from the overload protector 5 Remove the overload protector...

Страница 12: ...e leads of the rotary switch terminals 5 Remove the rotary switch 6 Re install the components by referring to the removal procedure above 13 POWER CORD 1 Disconnect the unit from source of power 2 Remove the front grille Refer to Section 1 3 Remove the cabinet Refer to Section 2 4 Remove a screw that secures control board to base pan and air guide Refer to Section 3 5 Pulls the control board towar...

Страница 13: ...open slowly with the two full turns counter clockwise This will keep oil from foaming and being drawn into the vacuum pump 6 3 Operate the vacuum pump for 20 to 30 minutes 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 closed stop the vacuum...

Страница 14: ...eal 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 31A Pulling Vacuum Figure 31B Charging 14 Room Air Conditioner ...

Страница 15: ...ODEL W051CA LA050MG W061CA LA060MG1 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 Schematic Diagram Schematic Diagram Wiring Diagram ...

Страница 16: ...cycle COOLED AIR HOT DISCHARGED 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 ...

Страница 17: ...perature difference 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...

Страница 18: ... start Defect of compressor 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 me...

Страница 19: ...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 necessary shim up the bottom of the fan motor with mounting screw s Check fan motor bearings if motor shaft wi...

Страница 20: ... for continuity refer 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 ...

Страница 21: ...d pressures will increase 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 Bl...

Страница 22: ... View 152302 135313 352390 2 352390 1 149410 130410 359012 W48602 135312 354210 349480 149980 559011 346811 554030 W48602 130910 266003 264110 269310 W0CZZ 249950 135500 550140 554160 567502 352115 352111 352113 35211A 147581 1 4 7 5 8 2 1 147582 2 ...

Страница 23: ...ndenser In 5211A30167D R 130910 Cabinet Assembly Single 3091AR6056N R 135312 Grille Assembly Front 3531A11002H R 135314 Grille Inlet 3530A10189A R 159830 Filter Assembly Air Cleaner 5231AR6159M R 147581 1 Louver Horizontal 5990A20032A R 147581 2 Louver Horizontal 5990A20033A R 554031 Condenser Assembly Bending 5403A20232C R 554030 Condenser Assembly First 5403A20231C R 552204 Valve Solenoid MJX365...

Страница 24: ... 559010 FanAssembly Axial 554030 CondenserAssembly First 5403AR6200K 349480 Orifice 352390 2 Guide Air 5238A20013B 249950 CaseAssembly Control 4995AR6202P 4995AR6202P 135500 Cover 266003 Switch Rotary 269310 ThermostatAssembly W0CZZ Capacitor Film Box 0CZZA20005B 0CZZA20005B 264110 PowerCord 2H00677P 2H00677P 135312 GrilleAssembly Front 3531A10130C 3531A10130C 135313 GrilleAssembly Inlet 159900 2 ...

Страница 25: ...P No 3828A28007D April 2005 Printed in China ...

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