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Service Manual 29

Replacement Parts List

Replacement Parts List

130410

BASE ASSEMBLY, SINGLE

3041A30005V

3041AR1524T

130910

CABINET ASSEMBLY, SINGLE

3091A10069B

3091A10032Z

135312

GRILLE ASSEMBLY, FRONT(SINGLE)

3531A10128C

3531A20136E

135313

GRILLE ASSEMBLY, INLET

3530A10027A

3530AR1634A

135500

COVER

3550A20115A

3550AR7032A

147581

LOUVER, HORIZONTAL

4758A20002D

5990AR6191B

147582

LOUVER, VERTICAL

4758A30008A

4758AR7308A

148000

BRACE

4800A30001A

4810AR7029A

149980

SHROUD

4998A10001A

4998AR1496A

152302

FILTER(MECH), A/C

5231A20004A

5231AR1152A

237200

PANEL, CONTROL

3720A20053A

3720A10003A

238310

ESCUTCHEON

3831A20124A

3831A20093D

249950

CONTROL BOX ASSEMBLY, SINGLE

4995A20392T

4995A23005K

264110

POWER CORD ASSEMBLY

6411A20048F

6411A20048L

263230

THERMISTOR ASSEMBLY

6323A20003D

268712

PWB(PCB) ASSEMBLY, DISPLAY

6871A20189S

6871A20195U

268714

PWB(PCB) ASSEMBLY, MAIN(AC)

6871A10188B

6871A10003A

267110

REMOTE CONTROLLER

6711A20034E

346811

MOTOR ASSEMBLY, AC

4681A20027A

4681A20009M

349001

DAMPER, VENTILATION

4901A30001A

4900AR7024B

349480

ORIFICE

4948A20016A

349600

MOUNT, MOTOR

4960A20002A

4960AR6165A

352111

TUBE ASSEMBLY, CONNECTOR

5211A30260D

5211AR7059A

352113

TUBE ASSEMBLY, DISCHARGE SINGLE

5210A20119D

5211AR2930A

35211A

TUBE ASSEMBLY, SUCTION SINGLE

5211A20130A

5211AR6081K

352390

AIR GUIDE ASSEMBLY

5239A30002N

5239AR1523U

354210

EVAPORATOR ASSEMBLY, FIRST

5421A20036C

5421AR2912C

359012

FAN ASSEMBLY, BLOWER

5901A10005B

5834AR1495B

550140

ISOLATOR, COMP

5040AR4195A

4H00982C

552101

TUBE, CAPILLARY

3H01535T

3H01535V

552206

VALVE,DRAIN

5220A30006A

554030

CONDENSER ASSEMBLY, FIRST

5403A20024B

5403AR2921A

554160

COMPRESSOR

2520UAEC2DA

2520UCDK020

559010

FAN ASSEMBLY, AXIAL

5900AR1167B

5900AR1173A

567502

O.L.P

6750U-L005A

6750U-L058A

753000

HEATER, ELECTRIC

5300A20003B

5300A20003A

753010

HEATER ASSEMBLY, ELECTRIC

5301A20013A

5301AR7267B

W0CZZ

CAPACITOR, DRAWING

6120AR2359V

6120AR2194D

W48602

CLAMP, SPRING

3H02932B

W52106-1 TUBE, EVAPORATOR

5210A30647C

5210AR4373B

W52106-2 TUBE, EVAPORATOR

5210A30647D

5210AR7090B

DESCRIPTION

PART NO.

REMARK

LWHD7000HR

LWHD1200HR

LOCATION

Содержание LWHD1200HR

Страница 1: ... Air Conditioner SERVICE MANUAL LG MODEL LWHD7000HR LWHD1200HR CAUTION website http www lgservice com BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ONLY FOR AUTHORIZED SERVICE PERSONNEL ...

Страница 2: ...in pipe 7 How to Install Models without Installation Kit 8 How to Install Models with Installation Kit 9 Suggested Tool Requirements 11 Operation 14 Features 14 Control Locations Function of Controls 14 Disassembly 15 Mechanical Parts 15 Air Handling Parts 16 Electrical Parts 17 Refrigerating Cycle 19 Schematic Diagram 22 Wiring Diagram 22 Troubleshooting Guide 23 Piping System 23 Troubleshooting ...

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: ... 7 8 380 14 31 22 D mm inch 525 22 11 16 567 22 5 16 Model Dimension LWHD7000HR LWHD1200HR 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: ...200 1260 2 900 3 500 11 0 14 0 15 3 26 7 DB 19 4 WB 35 DB 23 9 WB 21 1 DB 15 6 DB 8 3 DB 6 1 DB 330 11 6 oz 545 19 2 oz 2ROW 16STACKS 2ROW 13STACKS 2ROW 16STACKS 2ROW 17STACKS BLOWER PROPELLER TYPE FAN WITH SLINGER RING 1 2 2 1 2 2 4 POLES 6 POLES TOUCH PANEL THERMISTOR VERTICAL LOUVER RIGHT LEFT HORIZONTAL LOUVER UP DOWN SLIDE IN OUT CHASSIS 1 2KW 115 3 5KW 230V OVERLOAD PROTECTOR INTERNAL THERMA...

Страница 7: ...oints when the installation is finished 1 Grounding wire Green or Green and Yellow is provided in the power cord The green wire must be grounded 2 Connect to a single outlet 15A circuit or 20A circuit for Electric Heater Model 3 To avoid vibration or noise make sure the air conditioner is installed securely 4 Avoid placing furniture or draperies in front of the air inlet and outlet In humid weathe...

Страница 8: ...t cabi net s sides 5 Attach the front grille to the cabinet by inserting the tabs on the grille into the tabs on the fornt of the cabinet Push the grille in until it snaps into place 6 Lift the inlet grille and secure it with a screw through the front grille Shipping screws TIMER ENERG Y SAVER MODE On Off On Off Fan Cool Heat TIMER ENER GY SAVER MODE On Off On Off Fan Cool Heat EPS Material TIMER ...

Страница 9: ...B 2 GASKET 3 WALL 4 DETAILS 5 1 x 30 ROUND HEAD WOOD SCREWS A B C D E F H I 625mm 392mm 280mm 30mm 0 25mm OVER 420mm 5 10mm 5 5mm 245 8 157 16 111 32 11 16 0 1 OVER 1617 32 3 16 3 8 3 16 3 16 27 to 39 16 min Stool Interior wall 235 8 min Without frame curtain Offset 1 2 to 11 4 Sill Exterior 1 2 3 4 8 9 14 11 7 6 10 5 13 12 Top retainer bar is in the product package NO NAME OF PARTS Q TY 1 FRAME C...

Страница 10: ...ET 3 WALL 4 DETAILS 5 1 x 30 ROUND HEAD WOOD SCREWS A B C D E F G H J K 495mm 366mm 250mm 30mm 0 25mm OVER 420mm 12mm 32mm 5 10mm 0 5mm 191 2 147 16 10 11 16 0 1 OVER 1617 32 1 2 11 4 3 16 3 8 0 3 16 2 Installation Kits Contents 22 to 36 Stool Interior wall 181 2 min Without frame curtain Offset 1 2 to 11 4 Sill Exterior 15 min With frame curtain 1 2 3 4 8 9 14 11 7 6 10 5 13 12 Top retainer bar i...

Страница 11: ... Frame Curtain into the upper guide and frame guides 9 Fasten the curtains to the unit with 4 Type A screws at the both sides Cabinet Installation 1 Open the window Mark a line on center of the win dow stool or desired air conditioner location Carefully place the cabinet on the window stool and align the center mark on the bottom front with the center line marked in the window stool 2 Pull the bot...

Страница 12: ...e broken easily 5 Attach the sill support to the cabinet track hole in relation to the selected position using 2 Type A screws in each support See Figure 5 6 The cabinet should be installed with a very slight tilt about 1 2 downward toward the outside See Figure 6 Adjust the bolt and the nut of Sill Support for bal ancing the cabinet 7 Attach the cabinet to the window stool by driving the screws T...

Страница 13: ... Type A at the cabinet s sides 11 Cut the Foam Strip to the proper length and insert between the upper and lower window sash See Fig 9 12 Attach the window Locking Bracket with a type C screw See Fig 10 13 Attach the front grille to the cabinet by inserting the tabs on the grille into the tabs on the front of the cab inet Push the grille in until it snaps into place See Fig 11 14 Lift the inlet gr...

Страница 14: ... this button timer is set as follows 1Hour 2Hours 3Hours 4Hours 5Hours 6Hours 7Hours 8Hours 9Hours 10Hours 11Hours 12Hours Cancel 4 FAN SPEED SELECTOR Everytime you push this button it is set as follows Hi Low Hi 5 ROOM TEMPERATURE 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 ENERGY SAVER The fan...

Страница 15: ...all the component by referring to the removal procedure above 3 Control Box 1 Remove the front grille Refer to section 1 2 Remove the cabinet Refer to section 2 3 Remove the 2 screws that fasten the control box cover 4 Remove two housings that connect compressor wire and motor wire in the control box 5 Discharge the capacitor by placing a 20 000 ohm resistor across the capacitor terminals 6 Remove...

Страница 16: ...s that fasten the Heater Cover See Figure 18 at Electric Heater Model 11 Remove the Heater cover See Figure 18 at Electric Heater Model 12 Pull out the hook of orifice by pushing the tabs and remove it See Figure 19 13 Remove the clamp with a hand plier that secures the blower 14 Remove the blower 15 Remove the 4 screws that fasten the air guide from the barrier 16 Move the air guide backward pull...

Страница 17: ... removal procedure above 8 Compressor 1 Remove the cabinet Refer to section 2 2 Discharge the refrigerant system using a Freon Recovery System If there is no valve to attach the recovery sys tem install one such as a Watco A 1 before venting the Freon Leave the valve in place after servicing the system 3 Remove the overload protector Refer to sec tion 7 4 After purging the unit completely unbraze ...

Страница 18: ... by referring to the above removal procedure above Use only one ground marked hole for ground connection 8 If the supply cord of this appliance is damaged it must be replaced by the special cord The special cord means the cord that has the same specification marked on the supply cord attached at the unit 11 Thermistor 1 Remove the control box Refer to section 3 2 Open the control box Refer to sect...

Страница 19: ...ATCO A 1 before venting the FreonTM Leave the valve in place after servicing the system 14 Condenser 1 Remove the cabinet Refer to section 2 2 Remove the 4 screws that fasten the brace Refer to section 4 3 Remove the 5 screws that fasten the condenser and shroud 4 After discharging the refrigerant completely unbraze the interconnecting tube at the con denser connections 5 Remove the condenser 6 Re...

Страница 20: ...cuum pump and place it on the charging cylinder See figure 31B Open valve C Discharge the line at the 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 sys...

Страница 21: ...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: ...22 Room Air Conditioner Schematic Diagram Schematic Diagram Wiring Diagram ELECTRIC HEATING MODEL ...

Страница 23: ...ooling 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 OF...

Страница 24: ...fan 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 flo...

Страница 25: ...gular 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 capacitor ...

Страница 26: ...ttention 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 ...

Страница 27: ...er 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 cor...

Страница 28: ...ed View Exploded View 147582 359012 135303 W52106 1 W52106 2 559010 264110 249950 263230 267110 238310 237200 268714 W0CZZ 135500 268712 753010 352111 552101 753000 TIM ER EN ER GY SA VER MO DE On O ff On O ff Fan Coo l Hea t 552206 ...

Страница 29: ...MBLY AC 4681A20027A 4681A20009M R 349001 DAMPER VENTILATION 4901A30001A 4900AR7024B R 349480 ORIFICE 4948A20016A 4948A20016A R 349600 MOUNT MOTOR 4960A20002A 4960AR6165A R 352111 TUBE ASSEMBLY CONNECTOR 5211A30260D 5211AR7059A R 352113 TUBE ASSEMBLY DISCHARGE SINGLE 5210A20119D 5211AR2930A R 35211A TUBE ASSEMBLY SUCTION SINGLE 5211A20130A 5211AR6081K R 352390 AIR GUIDE ASSEMBLY 5239A30002N 5239AR1...

Страница 30: ...P No 3828A20841A May 2006 Printed in Korea ...

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