LG LWC081GGMK0 Скачать руководство пользователя

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Room Air Conditioner

SVC MANUAL(Exploded View)

MODEL : LWC101GGMK1
LWC101GGMK0
LWC081GSMK1
LWC081GSMK0
LWC081GGMK0

CAUTION

Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.

Internal Use Only

http://biz.lgservice.com

Содержание LWC081GGMK0

Страница 1: ...oded View MODEL LWC101GGMK1 LWC101GGMK0 LWC081GSMK1 LWC081GSMK0 LWC081GGMK0 CAUTION Before Servicing the unit read the safety precautions in General SVC manual Only for authorized service personnel Internal Use Only http biz lgservice com ...

Страница 2: ...C CONTROL DEVICE 30 5 3 COMPONENTS LOCATION OF MAIN P C B ASSEMBLY 31 5 4 COMPONENTS LOCATION OF DISPLAY P C B ASSEMBLY 31 6 EXPLODED VIEW 32 1 PREFACE This SERVICE MANUAL provides various service information including the mechanical and electrical parts etc This room air conditioner was manufactured and assembled under a strict quality control system The refrigerant is charged at the factory Be s...

Страница 3: ... 820 720 1 020 7 6 6 6 9 2 9 8 10 8 9 8 26 7 DB 19 4 WB 35 DB 23 9 WB 260g 9 2 oz 445g 15 7 oz 460g 16 2 oz 440g 15 5oz 440g 15 5 oz BLOWER or TURBO FAN PROPELLER TYPE FAN WITH SLINGER RING 3 3 6 POLES TOUCH REMOTE CONTROL THERMISTOR VERTICAL LOUVER RIGHT LEFT HORIZONTAL LOUVER UP DOWN SLIDE IN OUT CHASSIS OVERLOAD PROTECTOR INTERNAL THERMAL PROTECTOR 181 2 x 137 8 x 2011 16 235 8 x 1431 32 x 225 ...

Страница 4: ... order to maintain the best cooling conditions When a fresh air is necessary in the room set the ventilation lever OPEN position The damper is opened and room air is exhausted Washable one touch filter Compact size Reliable and efficient rotary compressor is equipped 4 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only CLOSE VENT OPEN ...

Страница 5: ...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 and DRY ON OFF TIMER STOPPING OPERATION Everytime you push this button when the air conditioner is operating timer is set as follows 1Hour 2Hours 3Hours 4Hours 5Hours 6Hours 7Hours 8Hours 9Hours 10Hours 11Hours 12Hours Cancel The Setting Temperature will be raised by...

Страница 6: ...to the removal procedure above 2 1 3 CONTROL BOX 1 Disconnect the unit from the power source 2 Remove the front grille Refer to section 2 1 1 3 Remove the cabinet Refer to section 2 1 2 4 Remove the screw which fastens the control box cover 5 Remove the housing which connects motor wire in the control box 6 Remove the 3 leads from the compressor Refer to section 2 3 1 7 Discharge the capacitor by ...

Страница 7: ... 9 Pull out the hook of orifice by pushing the tabs and remove it See Figure 5 10 Remove the clamp with a hand plier which secures the blower 11 Remove the blower 12 Remove the 4 screws which fasten the air guide from the barrier 13 Move the air guide backward pulling out from the base pan 14 Re install the components by referring to the removal procedure above 2 2 2 FAN AND SHROUD 1 Remove the ca...

Страница 8: ...TCO A 1 before venting the FreonTM Leave the valve in place after servicing the system 3 Remove the overload protector Refer to section 2 3 1 4 After purging the unit completely unbraze the suction and discharge tubes at the compressor connections 5 Remove the 3 nuts and the 3 washers which fasten the compressor 6 Remove the compressor See Figure 8 7 Re install the components by referring to the r...

Страница 9: ...f the supply cord of this appliance is damaged it must be replaced by the special cord The special cord means the cord which has the same specification marked on the supply cord attached at the unit 2 3 5 MOTOR 1 Remove the cabinet Refer to section 2 1 2 2 Remove the evaporator Refer to section 2 2 1 3 Remove the orifice Refer to section 2 2 1 4 Remove the blower Refer to section 2 2 1 5 Remove th...

Страница 10: ...s which fasten the evaporator 3 Move the evaporator sideways carefully Refer to section 2 2 1 4 After discharging the refrigerant completely unbraze the interconnecting tube at the evaporator connections 5 Remove the evaporator carefully 6 Re install the component by referring to notes See Figure 13 2 4 3 CAPILLARY TUBE 1 Remove the cabinet Refer to section 2 1 2 2 After discharging the refrigeran...

Страница 11: ... See figure 14B 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 system was opened 2 Connect the charging cylinder ...

Страница 12: ...e Brazing equipment Pin off tool capable of making a vapor 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 14A Pulling Vacuum Figure 14B Charging A B EXTERNAL VACUUM PUMP A CHARGING CYLINDER LOW HI B C ...

Страница 13: ...setting conditions must be checked prior to initial starting The undermentioned items are especially important checking points 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 3 To avoid vibration or noise make sure the air conditioner is installed securely 4 Avoid pla...

Страница 14: ...H J 2 3 4 2 1 G A RIGHT SIDE HORIZONTAL LINE B 1 WINDOW WIDTH A HEIGHT B 2 GASKET 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 1 2 3 4 8 13 10 7 6 5 9 12 14 15 11 B INSTALLATION KITS CONTENTS 22 to 36 Stool Interior wall 181 2 min Without frame cur...

Страница 15: ...per guide onto the top of the cabinet with 3 type A screws 6 Insert the frame guides into the bottom of the cabinet 7 Insert the Frame Curtain into the upper guide and frame guides 8 Fasten the curtains to the unit with 4 Type A screws CABINET INSTALLATION 1 Open the window Mark a line on center of the window stool or desired air conditioner location Carefully place the cabinet on the window stool...

Страница 16: ... 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 21 6 The cabinet should be installed with a very slight tilt about 1 2 downward toward the outside See Figure 22 Adjust the bolt and the nut of sill support for balancing the cabinet 7 Attach the cabinet to the window stool by driving the screws Type B Length s...

Страница 17: ...and the lower window sash See Figure 25 12 Attach the window locking bracket with a type C screw See Figure 26 13 Attach the front grille to the cabinet by inserting the tabs on the grille into the tabs on the front of the cabinet Push the grille in until it snaps into place See Figure 27 14 Lift the inlet grille and secure it with a type A screw through the front grille See Figure 28 15 Window in...

Страница 18: ...te the inlet grille 180 degrees and insert the hooks into the lower holes of front grille Then insert the filter See Figure 30 31 2 Attach the front grille to the cabinet by inserting the tabs on the grille into the tabs on the front of the cabinet Push the grille in until it snaps into place See Figue 32 3 Lift the inlet grille and secure it with a type A screw through the front grille See Figure...

Страница 19: ... 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 REFRIGERATI...

Страница 20: ...r coil heat exchanger the 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 ...

Страница 21: ...pacitor Irregular motor resistance Irregular 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 t...

Страница 22: ...of IC02D DC 5V Is the voltage No 18 of Micom DC 5V Exchange Main PCB Ass y Is the connection between Main and Display all right Is the reset circuit all right The No 14 of Micom is 5V Check the Fuse Check the wiring diagram Check the Main PCB pattern Exchange the Trans Exchange D02D D05D Exchange IC01D Exchange IC02D Exchange IC01A C02A Connect connector exactly Check the PCB pattern NO NO NO NO N...

Страница 23: ...e Is setting Temp set lower than Room Temp 0 5 C Is the voltage No 10 of IC01M 0V Exchange IC01M Select the setting Temp to lower Number Wait 3 Minutes Is the Unit for 3 minutes delay Exchange MAIN PCB Ass y Is the voltage N0 7 of IC01M DC 5V Check the RY COMP Check the wiring Diagram NO NO NO YES YES YES YES Is the wire connection of RY COMP all right Check the RY COMP Connect LEAD Wire to RY COM...

Страница 24: ...ate Exchange IC01M Exchange IC01M Is the voltage NO 1 or 2 or 4 of IC01M DC 5V Is the voltage NO 13 or 15 or 16 of IC01M 0V Check the RY Hi or RY Med or RY Low Check the wiring diagram NO NO YES YES NO NO YES YES Does SW3 push properly Is the voltage No 17 of CN DISP of Main PCB Ass y DC 5V Reference to OWNER S MANUAL Check the SW3 working Check the Energy Saver LED Check the SW3 Check the pattern...

Страница 25: ...connection of CN DISP all right Exchange the display PCB Ass y Exchange IC01G Exchange Q01G Q02G Q03G Q04G Connect connector to CN DISP exactly Does the Q01G Q02G Q03G Q04G operate normally on main PCB Ass y Check the PCB pattern Is the voltage of Battery about over 2 3V Exchange Receiver Ass y Is the connection of CN DISP all right Is the voltage No 16 of CN DISP on Main PCB Ass y DC 5V Exchange ...

Страница 26: ...shorted open or damaged Fan blade hitting shroud or blower wheel hitting scroll Realign assembly Units using slinger ring for condenser fan must have 1 4 to 5 16 inch clearance to the base If it hits the base shim up the bottom of the fan motor with mounting screw s Check fan motor bearings if motor shaft will not rotate replace the motor Check voltage If not within limits call an electrician Test...

Страница 27: ...ace the switch if circuit is open Check the position of knob If not at the coldest setting advance the knob to this setting and restart unit Check continuity of the thermostat Replace thermostat if circuit is open Check the capacitor Replace if not within 10 of manufacturers rating Replace if shorted open or damaged Check the compressor for open circuit or ground If open or grounded replace the co...

Страница 28: ...en 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 correct If the blower or fan is hitting air guide rearrange the air handling parts Remove the cabinet carefully...

Страница 29: ...WH BL POWER INPUT BK BR Ribbed Plain GN YL GN GN YL GN THERMISTOR BK BK BL RD BL RD CN TH1 YL YL OR BR OR BR OR BR SYNC MOTOR RY LO RY HI CN WORK CN SYNC CN DISP DISPLAY P W B ASM RY SYNC 250V T2A 115V T2A TRANS FORMER ZNR RY COMP MAIN P W B ASM BK BK BR BR RD BL BL OLP RD MOTOR CAPACITOR F R S COMP C C H 3854AR2330P WIRING DIAGRAM RY MID FUSE RD BK PTC 4 3 ...

Страница 31: ...ht 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 5 3 COMPONENTS LOCATION OF MAIN P C B ASM 5 4 COMPONENTS LOCATION OF DISPLAY P C B ASM 8K 10K Btu 12K Btu ...

Страница 32: ...All right reserved Only for training and service purposes LGE Internal Use Only 354210 135312 552102 249950 567480 268711A 264110 268711B W0CZZ 159830 359012 349001 130910 346811 349600 352390 559010 349480 35211A 554031 567502 554160 352113 550140 130410 147582 147581 ...

Страница 33: ...raining and service purposes LGE Internal Use Only 6 EXPLODED VIEW LWC081GSMK0 354210 135312 552113 249950 567480 268711A 264110 268711B W0CZZ 159830 359012 349001 130910 346811 349600 352390 559010 349480 35211A 554030 567502 554160 352113 550140 130410 147582 147581 ...

Страница 34: ...raining and service purposes LGE Internal Use Only 6 EXPLODED VIEW LWC081GGMK1 354210 135312 552113 249950 567480 268711A 264110 268711B W0CZZ 159830 359012 349001 130910 346811 349600 352390 559010 349480 35211A 554031 567502 554160 352113 550140 130410 147582 147581 ...

Страница 35: ...raining and service purposes LGE Internal Use Only 6 EXPLODED VIEW LWC081GGMK0 354210 135312 552102 249950 567480 268711A 264110 268711B W0CZZ 159830 359012 349001 130910 346811 349600 352390 559010 349480 35211A 554030 567502 554160 352113 550140 130410 147582 147581 ...

Страница 36: ...P NO 3828A20038S February 2008 ...

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