LG LW5200ER Service Manual

LG LW5200ER Manual

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  • LG LW5200ER | Service Manual - Page 1
    website http://www.lgservice.com LG LG Room Air Conditioner SERVICE MANUAL MODEL: ACQ058PL KG5200ER LW5200ER WG5200ER WG6000R KG6000R M5404R WG5200R M6004R HBLG6000R HBLG5200E ACQ052PK LW7000R WM-5031 LW050CE LWJ0515PAG LW5200R CAUTION • BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS
  • LG LW5200ER | Service Manual - Page 2
    13 3.2 HOW TO INSTALL ...13 3.3 ELECTRICAL DATA ...16 4. TROUBLESHOOTING GUIDE ...16 4.1 OUTSIDE DIMENSIONS ...16 4.2 PIPING SYSTEM ...17 4.3 TROUBLESHOOTING GUIDE ...18 5. SCHEMATIC DIAGRAM ...26 5.1 CIRCUIT DIAGRAM...26 5.2 ELECTRONIC CONTROL DEVICE ...27 5.3 COMPONENTS LOCATION(FOR MAIN P.W.B ASM
  • LG LW5200ER | Service Manual - Page 3
    PREFACE This service manual provides various service information, including the mechanical and electrical parts, etc. This room air conditioner was manufactured INSTALLATION AND SERVICE • WASHABLE ONE-TOUCH FILTER • COMPACT SIZE 1.2 SPECIFICATIONS MODELS ITEMS WG5200ER, LW5200ER, HBLG5200E,
  • LG LW5200ER | Service Manual - Page 4
    of the room. ENERGY SAVER The fan stops when the compressor stops cooling. • Approximately every 3 minutes the fan will turn on and check the room air to determine if cooling is needed. MODE • Everytime you push this button, it will toggle between COOL, FAN, DRY or FAN, COOL. ON/OFF TIMER
  • LG LW5200ER | Service Manual - Page 5
    stops cooling. • Approximately every 3 minutes the fan will turn on and check the room air to determine if cooling is needed. COOL/FAN/DRY or COOL/FAN • Everytime you push this batteries from the remote controller if the air conditioner is not going to be used for an extended length of time. -5-
  • LG LW5200ER | Service Manual - Page 6
    2. DISASSEMBLY INSTRUCTIONS 2.1 MECHANICAL PARTS 2.1.1 FRONT GRILLE 1. Disconnect the unit from source of pan and air guide. (See Figure 4) 5. Pull the control board toward yourself. NOTE : Controls, wires, and capacitor are now accessible for servicing. Discharge the capacitor before servicing. See
  • LG LW5200ER | Service Manual - Page 7
    from the condenser. 9. Lift the compressor upward with the evaporator and condenser. (See Figure 7) 10. Remove the orfice by pushing the snap area of the air guide blower. (See Figure 8) 11. Remove the clamp springs which are clamped to the boss of fan and turbo fan by hand plier. (See Figure 9) 12
  • LG LW5200ER | Service Manual - Page 8
    fan, fan and shroud. (Refer to Section 2.2.2) 7. Remove the motor. (Refer to Section 2.2.3) 8. Remove 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 Figure 11) 10. Re-install by referring to the procedures above. Figure 11
  • LG LW5200ER | Service Manual - Page 9
    2.3.2 COMPRESSOR 1. Remove the front grille and cabinet. (Refer to Section 2.1.2) 2. Discharge the refrigerant by using a refrigerant recovery system. 3. Remove the overload protector. (Refer to Section 2.3.1) 4. After discharging the unit completely, unbrace the suction and discharge pipes at the
  • LG LW5200ER | Service Manual - Page 10
    front grille. (Refer to Section 2.1.1) 3. Remove the cabinet. (Refer to Section 2.1.2) 4. Remove 2 screws that secure control board to base pan and air guide. (Refer to Section 2.1.3) 5. Pulls the control board toward you. 6. Remove the grounding screw. 7. Remove a screw securing the clip with cord
  • LG LW5200ER | Service Manual - Page 11
    the refrigerant by using a refrigerant recovery system. 3. Remove the air guide upper. (Refer to Section 2.2.1) 4. After discharging the refrigerant desired components, and unbraze the pinch-off tubes. 3. Solder service valves into the pinch-off tube ports, leaving the valves open. 4.
  • LG LW5200ER | Service Manual - Page 12
    equipment, pinch-off tool capable of making a vapor proof seal, leak detector, tubing cutter, hand tools to remove components and service valve. COMPOUND GAUGE MANIFOLD GAUGE B A CONDENSER (HIGH PRESSURE SIDE) COMPRESSOR SEE INSETS BELOW EVAPORATOR (LOW PRESSURE SIDE) CAPILLARY TUBE LO
  • LG LW5200ER | Service Manual - Page 13
    radiation of the condenser. Restriction of outside air will greatly reduce the cooling efficiency of the air conditioner. CAUTION All side louvers of the 20" 3.2 HOW TO INSTALL 3.2.1 WINDOW REQUIREMENTS INNER SILL NOTE: All supporting parts should be secured to firm wood, masonry, or metal. 1.
  • LG LW5200ER | Service Manual - Page 14
    STRIP) (Adhesive backed) TYPE E: 1EA (SASH SEAL) (Not adhesive backed) TYPE F: 2EA (GUIDE PANEL) TYPE G: 1EA (SUPPORT BACKET) 3.2.2 BEFORE INSTALLATION 1. Insert the guide panels into the guides of the air conditioner. Fasten the curtains to the unit with screws (TYPE A), as shown Figure. 24
  • LG LW5200ER | Service Manual - Page 15
    in window opening as shown in Figure. 28. b. While steadying the air conditioner, carefully bring the window sash down behind the upper guide of the air conditioner, as shown in Figure. 29. 4. SECURE THE GUIDE PANELS Extend the guide panels (TYPE F) to fill the window opening using 4 screws (TYPE
  • LG LW5200ER | Service Manual - Page 16
    and support bracket installed through the top and bottom of the guide panels, and save for reinstallation later. Close the guide panels. Keeping a firm grip on the air conditioner, raise the sash, and carefully tilt the air conditioner backward, draining any condensate. Lift the air conditioner from
  • LG LW5200ER | Service Manual - Page 17
    refrigeration system. Reference should be made to Figure 33 to follow the refrigerating cycle and the flow of the refrigerant in the cooling cycle. ROOM AIR CONDITIONER CYCLE OF REFRIGERATION EVAPORATOR COILS COOLED AIR COMPLETE LIQUID BOIL OFF POINT SUCTION LINE COOL LOW PRESSURE VAPOR ROOM
  • LG LW5200ER | Service Manual - Page 18
    4.3 TROUBLESHOOTING GUIDE In general, possible trouble is classified in two kinds. The one is called Starting Failure which is caused by an electrical defect. The other is Ineffective Air Conditioning caused by a defect in the refrigeration circuit and improper application. Unit is running but
  • LG LW5200ER | Service Manual - Page 19
    Check of power source. Check of control panel setting. Fails to Start Check of circuit breaker and fuse. Check control panel. Compressor fails only to start. Drop of power voltage. Defect of compressor capacitor. Capacitor check. Replacement. Improper thermistor setting Loose terminal connection
  • LG LW5200ER | Service Manual - Page 20
    ELECTRIC PARTS TROUBLESHOOTING GUIDE: Possible Trouble 1 • The unit does not operate. NO Is the Trans output power AC 115V? YES Is the Trans output power NO about AC 14V? YES Is
  • LG LW5200ER | Service Manual - Page 21
    Is the voltage N0.7 of NO IC01M DC 5V? YES • Exchange IC01M. Possible Trouble 3 • The compressor always operate. Is the Unit for 3 minutes NO delay? YES • Check the RY-COMP. • Connect LEAD Wire to RY-COMP again. Possible Trouble 4 • Fan does not operate. Is the voltage NO.1 or 4 NO of
  • LG LW5200ER | Service Manual - Page 22
    of NO CN-DISP1 all right? YES • Exchange Receiver Ass'y. • Exchange the battery. • Check the P.W.B pattern. • Connect connector to CN-DISP1 exactly. Possible Trouble 6 • It displays abnormally on Display P.W.B Ass'y. NO Is the IC01G all right? YES NO Is the connection of NO CN-DISP1 all
  • LG LW5200ER | Service Manual - Page 23
    ROOM AIR CONDITIONER VOLTAGE LIMITS NAME PLATE RATING MINIMUM 115V ± 10% 103.5V MAXIMUM 126.5V COMPLAINT Fan motor will not run. Fan motor runs. CAUSE No power
  • LG LW5200ER | Service Manual - Page 24
    Blower Loose set screw Worn bearings Compressor will not run, fan motor runs. Voltage Wiring Thermistor Capacitor (discharge capacitor before servicing.) Compressor Overload Compressor cycles on overload. Voltage Overload REMEDY If cracked, out of balance, or partially missing, replace it
  • LG LW5200ER | Service Manual - Page 25
    noise. Condenser fins (damaged) Capacitor Wiring Refrigeration system Air filter Unit undersized Blower or fan Copper tubing REMEDY If the blower or fan is hitting scroll or barrier, rearrange the air handling parts. Remove the cabinet and carefully rearrange the tubing not to contact the cabinet, compressor,
  • LG LW5200ER | Service Manual - Page 26
    5. SCHEMATIC DIAGRAM 5.1 CIRCUIT DIAGRAM 2 7 3 8 LOCATION NO. 1 2 3 4 5 6 7 8 DESCRIPTION POWER CORD ASSEMBLY FAN MOTOR COMPRESSOR DISPLAY P.W.B ASSEMBLY MAIN P.W.B ASSEMBLY THERMISTOR CAPACITOR OWERLOAD PROTECTOR -26- 1 6 4 5 Q'TY PER SET 1 1 1 1 1 1 1 1
  • LG LW5200ER | Service Manual - Page 27
    5.2 ELECTRONIC CONTROL 120 1/2W R02E 20 R01E 1K ZNR01J SVC271D-14A RY-COMP G4A-1A-E-LG FUSE 250V/T2A POWER TRANS 1 7 D02D D05D 2 D03D 4 D04D + UP SW7 D07F ENERGY SAVER SW3 D03F 5V 11 A/SWING 10 A/RESTART 9 8 7 AIR PURIFIER 6 3 2 CN-DISP TEMP DOWN SW5 D05F TIMER SW2 D02F COOL DEFROST
  • LG LW5200ER | Service Manual - Page 28
    5.3 COMPONENTS LOCATION (FOR MAIN P.W.B ASM) 5.4 COMPONENTS LOCATION (FOR DISPLAY P.W.B ASM) -28-
  • LG LW5200ER | Service Manual - Page 29
    6. EXPLODED VIEW 130910 554030 148000 559010 149980 W48602 349480 152302 267110 135312 159900-2 145200 352390-2 359012 W48602 159900-1 354210 135303 135313 264110 W0CZZ 249950 268714 263230 238310 268712 550140 -29- 567502 554160 346811 352390-1 130410 552102 552111 352115 352113
  • LG LW5200ER | Service Manual - Page 30
    SINGLE 5211A10062A 5211A10062A 5211A10062B 5211A10062B 5211A10062A 5211A10062B R 352390-1 AIR GUIDE ASSEMBLY 5239A30003A 5239A30003A 5239A30003A 5239A30003A 5239A30003A 5239A30003A R 352390-2 AIR GUIDE ASSEMBLY 5239A10005A 5239A10005A 5239A10005B 5239A10005B 5239A10005A 5239A10005B R 352410
  • LG LW5200ER | Service Manual - Page 31
    EVAPORATOR IN 35211A TUBE ASSEMBLY, SUCTION SINGLE 352390-1 AIR GUIDE ASSEMBLY 352390-2 AIR GUIDE ASSEMBLY 352410 EVAPORATOR ASSEMBLY, FIRST 359012 FAN, TURBO SPRING PART NO WG6000R M6004R ACQ058PL ACQ052PK HBLG6000R LW5200ER WM-5031 KG6000R REMARKS LW7000R 3041A10011E 3041A10011F 3041A10011F
  • LG LW5200ER | Service Manual - Page 32
    349480 ORIFICE 352113 TUBE,DISCHARGE 352115 TUBE ASSEMBLY,EVAPORATOR IN 35211A TUBE ASSEMBLY,SUCTION SINGLE 352390-1 AIR GUIDE ASSEMBLY 352390-2 AIR GUIDE ASSEMBLY 354210 EVAPORATOR ASSEMBLY,FIRST 359012 FAN,TURBO 550140 ISOLATOR,COMP 552111 TUBE ASSEMBLY, CAPILLARY 554030 CONDENSER
  • LG LW5200ER | Service Manual - Page 33
    ,SINGLE 349480 ORIFICE 35211A TUBE ASSEMBLY, SUCTION SINGLE 352113 TUBE,DISCHARGE 352115 TUBE ASSEMBLY, EVAPORATOR IN 352390-1 AIR GUIDE ASSEMBLY 352390-2 AIR GUIDE ASSEMBLY 352410 EVAPORATOR ASSEMBLY, FIRST 359012 FAN, TURBO 550140 ISOLATOR,COMPRESSOR 552102 TUBE, CAPILLARY BEND 552111
  • LG LW5200ER | Service Manual - Page 34
    P/No.: 3828A20038L January, 2005 Printed in Korea
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LG
Room
Air Conditioner
SERVICE MANUAL
LG
MODEL: ACQ058PL
LW7000R
KG5200ER
WM-5031
LW5200ER
LW050CE
WG5200ER
LWJ0515PAG
WG6000R
LW5200R
KG6000R
M5404R
WG5200R
M6004R
HBLG6000R
HBLG5200E
ACQ052PK
CAUTION
• BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
• ONLY FOR AUTHORIZED SERVICE PERSONNEL.