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29 Room Air Conditioner

Replacement Parts List

Replacement Parts List

130410

BASE ASSEMBLY, SINGLE

3041A30002Y

3041A10010K

130910

CABINET ASSEMBLY, SINGLE

3091AR6057X

3091AR6056A

135314 GRILLE ASSEMBLY, INLET 3530AR1604A 3530AR1604A R

135312

GRILLE ASSEMBLY, FRONT(SINGLE)

3531A20073W

135510

COVER ASSEMBLY, CONTROL

3551A30015A

137215

PANEL, CONTROL

3720AR6163A

146812

MOTOR ASSEMBLY, SYNC

2H01102A

147581-1

LOUVER, HORIZONTAL

4758AR7264C

147581-2

LOUVER, HORIZONTAL

4758AR7278C

147582

LOUVER, VERTICAL

4758AR6157A

148000

BRACE

4800AR7271A

149980

SHROUD

4998AR1597A

4998A10027A

159830 FILTER(MECH), A/C 5231AR6159A 5231AR6159A R

238310

ESCUTCHEON

3831A10018M

249950

CONTROL BOX ASSEMBLY, SINGLE

4995A20186C

4995A20186A

264110 POWER CORD ASSEMBLY 6411A20051G 6411A20051G R

567480 THERMISTOR ASSEMBLY 6323A20003F 6323A20003F R

268711-1 PWB(PCB) ASSEMBLY, DISPLAY 6871A20195V 6871A20195V R

268711-2 PWB(PCB) ASSEMBLY, MAIN(AC) 6871A10188C 6871A10188C R

267110

REMOTE CONTROLLER

6711A20034D

346811

MOTOR ASSEMBLY, AC

4681AR6033K

4681A20011L

349001

DAMPER, VENTILATION

4900AR7265A

349600

MOUNT, MOTOR

4960AR1596A

4960AR2895B

352111

TUBE ASSEMBLY, CONNECTOR

5211AR7059A

5211A20162A

352113

TUBE ASSEMBLY, DISCHARGE SINGLE

5211A30066A

5211A20805V

35211A

TUBE ASSEMBLY, SUCTION SINGLE

5211A20204C

5211A20159D

749750 AIR GUIDE ASSEMBLY 5239A20001N 5239A20001N R

354210

EVAPORATOR ASSEMBLY, FIRST

5421A20059F

5421A20052B

359012

FAN ASSEMBLY, BLOWER

5834AR1599B

550140

ISOLATOR, COMP

4H00982C

4022U-L005A

552102 TUBE, CAPILLARY 5210A30040N 5210A30040N R

554031 CONDENSER ASSEMBLY, FIRST 5403A20004E 5403A20112D R

554160

COMPRESSOR

2520UMGK2AA

2520UHFK2CA

559011 FAN ASSEMBLY, AXIAL 5900AR1508A 5900AR1508A R

753000

HEATER, ELECTRIC

5300A20003A

753010

HEATER ASSEMBLY, ELECTRIC

5301A30001B

W0CZZ

CAPACITOR, DRAWING

6120AR2194D

6120AR2194P

W48602

CLAMP, SPRING

3H02932C

325115-1 TUBE, EVAPORATOR 5210A21083A 5210A22224N R

325115-2 TUBE, EVAPORATOR 5210A21090A 5210A22224N R

DESCRIPTION

PART NO.

REMARK

LWHD1800HR

LWHD2400HR

LOCATION

Содержание LWHD1800HR

Страница 1: ...oner SERVICE MANUAL LG MODEL LWHD1800HR LWHD2400HR CAUTION website http www lgservice com BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ONLY FOR AUTHORIZED SERVICE PERSONNEL LWHD1807HR LWHD2400HRY7 ...

Страница 2: ...ements 9 Installation Kits Contents some models including installation kit 10 Suggested tool Requirements 10 Cabinet Installation 11 Operation 13 Disassembly instructions 14 Mechanical parts 14 Air Handling Parts 15 Electrical Parts 16 Refrigeration cycle 19 Schematic Diagram 22 Troubleshooting guide 23 Piping System 23 Troubleshooting guide 24 Room Air Conditioner Voltage Limits 26 Exploded View ...

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: ...ing and 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 pro...

Страница 5: ...k 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 W mm inch 660 26 660 26 H mm inch 428 16 27 32 428 16 27 32 D mm inch 675 26 9 16 770 30 5 16 Model Dimension LWHD1800HR LWHD2400HR ...

Страница 6: ...400 11 600 3 100 3 670 3 750 3 770 15 0 16 0 15 0 16 0 26 7 DB 19 4 WB 35 DB 23 9 WB 21 1 DB 15 6 DB 8 3 DB 6 1 DB 710 25 0 oz 880 31 0 oz 3ROW 18STACKS 4ROW 18STACKS 2ROW 18STACKS L BENDING TYPE 3ROW 19STACKS BLOWER PROPELLER TYPE FAN WITH SLINGER RING 1 2 2 1 2 2 6 POLES TOUCH PANEL THERMISTOR VERTICAL LOUVER RIGHT LEFT HORIZONTAL LOUVER UP DOWN SLIDE IN OUT CHASSIS 3 5KW 230V INTERNAL OVERLOAD ...

Страница 7: ...00 11 600 3 100 3 670 3 750 3 770 15 0 16 0 15 0 16 0 26 7 DB 19 4 WB 35 DB 23 9 WB 21 1 DB 15 6 DB 8 3 DB 6 1 DB 810 28 6oz 1040 36 7oz 3ROW 18STACKS 3ROW 15STACKS 2ROW 18STACKS L BENDING TYPE 2ROW 16STACKS BLOWER PROPELLER TYPE FAN WITH SLINGER RING 1 2 2 1 2 2 6 POLES TOUCH PANEL THERMISTOR VERTICAL LOUVER RIGHT LEFT HORIZONTAL LOUVER UP DOWN SLIDE IN OUT CHASSIS 3 5KW 230V INTERNAL OVERLOAD PR...

Страница 8: ...om 8 The power cord must be connected to an independent cir cuit The green wire must be grounded 9 Connect the drain tube to the base pan hole in the rear side if you need to drain consult a dealer Plastic hose or equivalent may be connected to the drain tube The grille is designed to clean the filter both upward and downward A BEFORE ATTACHING THE FRONT GRILLE TO THE CAB INET IF YOU WANT TO PULL ...

Страница 9: ...sufficiently to allow a clear vertical opening of 18 from the bot tom of the upper sash to the window stool 2 The stool offset height between the stool and sill must be less than 1 1 4 Installation Kits Contents some models including installation kit Foam PE Adhesive Backed Foam PE Adhesive Backed Type C 5 Type D 2 Type A 14 Carriage Bolt 2 Lock Nut 4 Top retainer bar Type B 7 Foam strip Plain Bac...

Страница 10: ...al to the proper length Peel off the backing and attach the Foam PE to the underside of the window sash 4 Remove the backing from Foam PE with 3 holes and attach it to the bottom of the Top retainer bar 5 Attach the Top retainer bar onto the top of the cabinet with 3 screws Type A 6 Insert the Frame guides into the bottom of the cabinet 7 Insert the Frame Curtain into the Top retainer bar and Fram...

Страница 11: ...ts outward CAUTION Do not drill a hole in the bottom pan The unit is designed to operate with approximately 1 2 of water in bottom pan 4 Pull the bottom window sash down behind the Top retainer bar until they meet 1 Do not pull the window sash down so tightly that the movement of Frame curtain is restricted Attach the cabinet to the window stool by driving the screws Type B through the cabinet int...

Страница 12: ...insert between the upper window sash and the lower window sash See Fig 12 9 Attach the Window locking bracket with a screw Type C See Fig 13 10 Attach the front grille to the cabinet by inserting the tabs on the grille into the tabs on the front of the cabi net Push the grille in until it snaps into place See Fig 34 11 Lift the inlet grille and secure it with a screw Type A through the front grill...

Страница 13: ...PERATURE SETTING BUTTON This button can automatically control the temperature of the room The temperature can be set within a range of 60 F to 86 F by 1 F 6 AUTO SWING This button can automatically control the air flow direction 7 ENERGY SAVER The fan stops when the compressor stops cooling Approximately every 3 munutes the fan will turn on and check the room air to determine if cooling is needed ...

Страница 14: ...ews which fasten the cabinet at both sides Keep these for later use 2 Remove the two screws which fasten the cabinet at back See Fig 17 3 Pull the base pan forward 3 Control box 1 Remove the front grille Refer to section 1 2 Pull the base pan forward so that you can remove the 2 screws which fasten the cover control at the right side See Fig 18 3 Remove the 3 screws which fasten the controlbox See...

Страница 15: ...e 3 screws which fasten the evaporator at the left side and the top side See Fig 19 3 Move the evaporator sideward carefully 4 Remove the 2 terminals carefully See Fig 20 5 Remove the 3 screws which fasten the Heater Cover See Fig 20 6 Remove the Heater Cover See Fig 20 7 Remove the orifice from the air guide carefully See Fig 21 8 Remove the clamp which secures the blower with plier See Fig 21 9 ...

Страница 16: ...in control box Refer to section 3 3 Remove the blower Refer to section 5 4 Remove the fan Refer to section 6 5 Remove the 4 screws which fasten the motor See Fig 25 6 Remove the motor 7 Re install the components by referring to the removal procedure above 9 Compressor 1 Remove the cabinet Refer to section 2 2 Discharge the refrigerant system using FreonTM Recovery System If there is no valve to at...

Страница 17: ...nnect the grounding screw from the control box 4 Disconnect 2 receptacles 5 Remove a screw which fastens the clip cord 6 Pull the power cord See Fig 28 7 Re install the component by referring to the removal procedure above Use only one ground marked hole for ground connec tion 8 If the supply cord of this appliance is damaged it must be replaced by the special cord The special cord means the cord ...

Страница 18: ...to section 3 2 Unfold the control box Refer to section 10 3 Remove the crankshaft 4 Disconnect all the leads of the synchronous motor 5 Remove the 2 screws which fasten the synchronous motor See Fig 30 6 Re install the components by referring to the removal procedure above Figure 30 ...

Страница 19: ...ctions 6 Remove the condenser 7 Re install the components by referring to notes See Fig 31 17 EVAPORATOR 1 Remove the cabinet Refer to section 2 2 Remove the top cover and the brace Refer to section 4 3 Discharge the refrigerant completely 4 Remove the 3 screws which fasten the evaporator at the left side and the top side 5 Move the evaporator sideward carefully and then unbraze the interconnectin...

Страница 20: ...he manifold connection 5 The system is now ready for final charging 6 Recharge as follows 1 Refrigeration cycle systems are charged from the High side If the total charge cannot be put in the High side the balance will be put in the suction line through the access valve which you installed as the system was opened 2 Connect the charging cylinder as shown in Fig 35B With valve C open discharge the ...

Страница 21: ...of making a leak proof seal Leak detector Tubing cutter Hand Tools to remove components Service valve A COMPOUND GAUGE EVAPORATOR LOW PRESSURE SIDE COMPRESSOR CAPILLARY TUBE CONDENSER HIGH PRESSURE SIDE SEE INSETS BELOW MANIFOLD GAUGE B Figure 31A Pulling Vacuum Figure 31B Charging A B EXTERNAL VACUUM PUMP A CHARGING CYLINDER LOW HI B C ...

Страница 22: ...Service Manual 22 Schematic Diagram Schematic Diagram Wiring Diagram ELECTRIC HEATING MODEL ...

Страница 23: ...e cooling cycle MOTOR COMPRESSOR OIL LIQUID REFRIGERANT CAPILLARY TUBE OUTSIDE COOLING AIR FOR REFRIGERANT PASS THROUGH SUCTION LINE COOL LOW PRESSURE VAPOR COOLED AIR COMPLETE LIQUID BOIL OFF POINT LIQUID PRESSURE DROP ROOM AIR HEAT LOAD VAPOR INLET HOT DISCHARGED AIR LIQUID OUTLET HIGH PRESSURE VAPOR LIQUID REFRIGERANT LOW PRESSURE VAPOR ROOM AIR CONITIONER EVAPORATOR COILS CONDENSER COILS CYCLE...

Страница 24: ... operation Check gas leakage Repair gas leak Replacement of unit if the unit is beyond repair Satisfactory operation with temperature difference of inlet outlet air 44 50 F 7 10 C Check heat load increase Clean condenser Not on separate circuit Check inside gas pressure Adjusting of refrigerant charged Malfunction of compressor Replacement of compressor Check cold air circulation for smooth flow D...

Страница 25: ...rregular motor insulation Replacement of fan motor Regular but fails to start Replacement of compressor locking of rotor metal Improper thermostat setting Loose terminal connection Improper wiring Irregular motor resistance Irregular motor insulation Replacement of compressor Motor damaged Drop of power voltage Capacitor check Replacement Compressor only fails to start Defect of compressor capacit...

Страница 26: ...ntion to any change from high speed to low speed If the speed does not change replace the motor If cracked out of balance or partially missing replace it If cracked out of balance or partially missing replace it Tighten it If knocking sounds continue when running or loose replace the motor If the motor hums or noise appears to be internal while running replace motor Check voltage If not within lim...

Страница 27: ... over a large area on the coil surface head pressures will increase causing the compressor to overload Straighten the fins or replace the coil Test capacitor Check the terminals If loose repair or replace Check the system for a restriction If restricted clean of replace Close if open Determine if the unit is properly sized for the area to be cooled Check the set screw or clamp If loose or missing ...

Страница 28: ...552102 753010 554031 148000 749750 349600 346811 130410 354210 147582 349001 359012 749740 W48602 W48602 559011 149980 550140 554160 352115 1 352113 35211A 352111 567480 268711 1 146812 264110 267110 137215 238310 W0CZZ 249950 135510 130910 753000 135515 135500 731273 268711 2 352115 2 ...

Страница 29: ...11 2 PWB PCB ASSEMBLY MAIN AC 6871A10188C 6871A10188C R 267110 REMOTE CONTROLLER 6711A20034D 6711A20034D R 346811 MOTOR ASSEMBLY AC 4681AR6033K 4681A20011L R 349001 DAMPER VENTILATION 4900AR7265A 4900AR7265A R 349600 MOUNT MOTOR 4960AR1596A 4960AR2895B R 352111 TUBE ASSEMBLY CONNECTOR 5211AR7059A 5211A20162A R 352113 TUBE ASSEMBLY DISCHARGE SINGLE 5211A30066A 5211A20805V R 35211A TUBE ASSEMBLY SUC...

Страница 30: ...LLER 6711A20034D 6711A20034D R 346811 MOTOR ASSEMBLY AC 4681A20081T 4681A20130E R 349001 DAMPER VENTILATION 4900AR7265A 4900AR7265A R 349600 MOUNT MOTOR 4960AR1596A 4960A10006A R 352111 TUBEA SSEMBLY CONNECTOR 5211AR7059A 5211AR3399Z R 352113 TUBE ASSEMBLY DISCHARGESINGLE 5211A25040C 5211A21526V R 35211A TUBE ASSEMBLY SUCTIONSINGLE 5211A20204G 5211A30250H R 749750 AIRGUIDE ASSEMBLY 5239A20001N 523...

Страница 31: ...P No 3828A20841B March 2007 Printed in China ...

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