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1.2 SPECIFICATIONS

• NOTE: Specifications are subject to minor change without notice for further improvement.

—3—

MODELS

ITEMS

COOLING CAPACITY (BTU/h)

5,300

5,200

6,000

POWER SUPPLY (Phase, V, Hz)

1ø, 115V, 60HZ

INPUT (W)

530

470

610

620

OPERATING CURRENT (AMP.)

4.8

4.3

5.6

5.8

REFRIGERANT CONTROL

CAPILLARY TUBE

REFRIGERANT CHARGE (R-22)

230g (8.1 Oz )

330g(11.6 Oz) 335g (11.8 Oz) 235g (8.3 Oz)

INSIDE FAN

TURBO

OUTSIDE FAN

PROPELLER FAN WITH SLINGER RING

AIR DISCHARGE

2-WAY (RIGHT AND LEFT)

CHASSIS

TOP-DOWN

PROTECTOR

TEMPERATURE CONTROL

THERMISTOR

ROTARY SWITCH

5 POSITIONS (LOW FAN, HIGH FAN, OFF, HIGH COOL, LOW COOL)

FAN MOTOR

6 POLES, 16W

6 POLES, 21.3W

6 POLES, 24W

6 POLES, 21.4W

• OVERLOAD PROTECTOR FOR COMPRESSOR
• INTERNAL PROTECTOR FOR FAN MOTOR

M5403R

M5203R

M5203L

M6003R

WM-6011

LWJ0611PCG

LWC061JGMK1

1.3 SAFETY PRECAUTIONS

1. When servicing, set the POWER of CONTROL

BOARD to Off and unplug the power cord.

2. Observe the original lead dress.

If a short circuit is found, replace all parts which
have been overheated or damaged by the short cir-
cuit.

3. After servicing, make an insulation resistance test

to prevent the customer's exposure to shock
hazards.

1.4 INSULATION RESISTANCE TEST

1. Unplug the power cord and connect a jumper

between 2 pins (black and white).

2. The grounding conductor (green or green and yel-

low) is to be open.

3. Measure the resistance value with an ohm meter

between the jumpered lead and each exposed
metallic part on the equipment at all Mode [except
POWER OFF].

4. The value should be over 1 M

Ω

Содержание LWC061JGMK1

Страница 1: ...AL CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL website http www lgservice com e mail http www lgeservice com techsup html MODEL M5403R M5203R M5203L M6003R WM 6011 LWJ0611PCG LWC061JGMK1 Dr y Fa n Co ol ...

Страница 2: ...ST LOCATION 13 3 2 HOW TO INSTALL 13 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 28 5 4 COMPONENTS LOCATION FOR DISPLAY P W B ASM 28 6 EXPLODED VIEW 29 7 SERVICE PARTS LIST 30 1 PREFACE This service manual provides vari...

Страница 3: ...4W 6 POLES 21 4W OVERLOAD PROTECTOR FOR COMPRESSOR INTERNAL PROTECTOR FOR FAN MOTOR M5403R M5203R M5203L M6003R WM 6011 LWJ0611PCG LWC061JGMK1 1 3 SAFETY PRECAUTIONS 1 When servicing set the POWER of CONTROL BOARD to Off and unplug the power cord 2 Observe the original lead dress If a short circuit is found replace all parts which have been overheated or damaged by the short cir cuit 3 After servi...

Страница 4: ...RY Everytime you push this button it will toggle between COOL FAN and DRY POWER To turn the unit ON push the button To turn the unit OFF push the button again This button takes priority over any other buttons When you first turn it on the unit is on the High cool mode and the temp at 72 F 22 C TEMPERATURE SETTING This button can automatically control the temperature of the room The temperature can...

Страница 5: ... set as follows High F2 Low F1 High F2 POWER To turn the Set ON push the button To turn the Set OFF push the button again This button takes priority over any other buttons When you first turn it on the Set is on the High cool mode and the temp at 72 F 22 C COOL FAN DRY ON OFF TIMER STOPPING OPERATION Everytime you push this button when the set is operating timer is set as follows 1Hour 2Hours 3Hou...

Страница 6: ...base pan and condenser See Figure 3 4 Lift the cabinet from the unit 5 Re install by referring to the procedures above 2 1 3 CONTROL BOARD 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 2 screws that secure the control board to base pan and air guide See Figure 4 5 Pull the control board toward yours...

Страница 7: ...ection 2 1 2 4 Remove the control board Refer to Section 2 1 3 5 Remove the air guide upper Refer to Section 2 2 1 6 Remove 2 screws that secure the base pan to condenser See Figure 7 7 Remove screw 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 con...

Страница 8: ... 2 1 2 4 Remove the control board Refer to Section 2 1 3 5 Remove the air guide upper Refer to Section 2 2 1 6 Remove the compressor turbo 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 proced...

Страница 9: ...KΩ resistor across the capacitor terminals 4 Pull the capacitor upward 5 Remove all the leads of capacitor terminals 6 Re install the components by referring to the removal procedure above See Figure 15 2 3 4 THERMISTOR 1 Remove the cabinet Refer to Section 2 1 2 2 Remove the control board Refer to Section 2 1 3 3 Disconnect the thermistor terminals from main P W B assembly 4 Remove the thermistor...

Страница 10: ... 1 2 2 Discharge the refrigerant by using a refrigerant recovery system 3 Remove the air guide Refer to Section 2 2 1 4 Remove 2 screws which fasten the condenser 5 After discharging the refrigerant completely unbraze the interconnecting tube at the condenser connections 6 Remove the condenser 7 Re install by referring to the procedures above 2 4 2 EVAPORATOR 1 Remove the cabinet 2 Discharge the r...

Страница 11: ...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 pump 6 4 Remove the hose from the vacuum pump and place it on the charging cylinder See figure 23B Open valve C Discharge the line at the manifold connection 6 5 The syste...

Страница 12: ... proof seal 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 20A Pulling Vacuum Figure 20B Charging ...

Страница 13: ...allow a clear vertical opening of 13 from the bot tom of the sash to the window stool 2 If storm window presents interference fasten a 2 wide wood strip to the inner window sill across the full width of the sill The wood strip should be thick enough to raise the height of the window sill so that the unit can be installed without interference by the storm window frame See Figure 23 Top of wood stri...

Страница 14: ...l the L brackets behind the inner window sill with the short side of bracket as shown Use the 2 screws TYPE A provided b The bracket helps to hold unit securely in place Be sure to place bracket edge flush against back of inner sill See Figure 26 TYPE B 4EA WOOD SCREW HARDWARE TYPE A 11EA SHORT SCREW TYPE C 3EA L BACKET DRAIN PIPE TYPE E 1EA SASH SEAL Not adhesive backed TYPE D 1EA SEAL STRIP Adhe...

Страница 15: ... SASH LOCK a Cut the sash seal TYPE E to the window width Stuff the sash seal between the glass and the window to prevent air and insects from getting into the room as shown in Figure 30 b Fasten the L bracket using a TYPE A screw as shown in Figure 30 6 Window installation of room air conditioner is now completed See ELECTRICAL DATA for attaching power cord to electrical outlet 3 2 4 How to Secur...

Страница 16: ...of potential safety hazards we strongly discourage the use of an extension cord However if you wish to use an extension cord use a CSA certified UL listed 3 wire grounding extension cord rated 15A 125V Do not under any circumstances cut or remove the grounding prong from the plug Line Cord Plug Use Wall Receptacle Power Supply Power supply cord with 3 prong grounding plug Standard 125V 3 wire grou...

Страница 17: ...D 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 VAPOR LIQUID REFRIGERANT LOW P...

Страница 18: ...nce of inlet outlet air 55 59 F 13 15 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 in refrigera t...

Страница 19: ...start Defect of compressor capacitor Replacement of compressor Motor damaged Irregular motor insulation Ω Irregular motor resistance Ω Check of circuit breaker and fuse Check control panel 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 metal Irregular motor resistance Ω Irregular ...

Страница 20: ... connection between Main and Display all right Is the reset circuit all right The No 16 of Micom is 5V Check the Fuse Check the wiring diagram Check the Main P W B pattern Exchange the Trans Exchange D02D D05D Exchange IC01D Exchange IC02D Exchange IC01A Connect connector exactly Check the P W B pattern NO NO NO NO NO NO NO YES YES YES YES YES YES YES NO YES ELECTRIC PARTS TROUBLESHOOTING GUIDE Po...

Страница 21: ...ck the wiring Diagram NO NO NO NO YES YES YES YES Possible Trouble 2 The compressor does not operate Is the wire connection of RY COMP all right Check the RY COMP Connect LEAD Wire to RY COMP again NO YES Possible Trouble 3 The compressor always operate Exchange IC01M Exchange IC01M Is the voltage NO 2 or 4 of IC01M DC 5V Is the voltage NO 13 or 15 of IC01M 0V Check the RY Hi or RY Lo Check the wi...

Страница 22: ...ISP2 exactly NO NO NO YES YES YES Possible Trouble 5 Romote controller does not operate only for M 5400 M 6000 M 7000 NO NO NO NO YES YES YES Is the IC01G all right Is the connection of CN DISP2 all right Exchange the display P W B Ass y Exchange IC01G Exchange Q12G Q13G Q14G Connect connector to CN DISP2 exactly Does the Q12G Q13G Q14G operate normally on main P W B Ass y Possible Trouble 6 It di...

Страница 23: ...or Discharge Test capacitor 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 moto...

Страница 24: ... diagram correct the connections Thermistor Check the TEMP control If not at the lowest number set TEMP control to this setting and restart the unit Check the continuity of the thermistor Replace the thermistor if the circuit is open Capacitor discharge Check the capacitor capacitor before Replace if not within 10 of manufacturer s servicing rating replace if shorted open or damaged Compressor Che...

Страница 25: ...ncrease 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 Blower or fan Check ...

Страница 26: ...TOR RY L RY H CN WOR CN SYNC CN DISP1 CN DISP2 DISPLAY P W B ASM RY SYNC FUSE 125V 2A TRANS FORMER ZNR01J RY COMP MAIN P W B ASM CN RD CN BK BK BK WH BK RD BL BL OLP BR RD MOTOR CAPACITOR F R S COMP C C H 3854AR2330K WIRING DIAGRAM 1 6 4 5 8 3 7 2 1 6 4 5 8 3 7 2 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 SYNC MOTOR RY LO RY HI C...

Страница 27: ... 27 5 2 ELECTRONIC CONTROL DEVICE ...

Страница 28: ... 28 5 3 COMPONENTS LOCATION FOR MAIN P W B ASM 5 4 COMPONENTS LOCATION FOR DISPLAY P W B ASM ...

Страница 29: ...135313 352390 267110 152302 130410 359012 W48602 135312 354210 349480 352380 149980 559011 346811 554030 W48602 130910 264110 238310 W0CZZ 249950 268714 263230 550140 554160 567502 352115 552111 352113 35211A 237200 268712 ...

Страница 30: ...B 6871A20142A R 268714 PWB PCB ASSY MAIN 6871A10013M 6871A10013C 6871A10031B R 346811 MOTOR ASSY SINGLE 4681A10002A 4681A10002F 4681A10002H R 349480 ORIFICE 4948A10007A R 352113 TUBE DISCHARGE 5210A20252A 5210A20511A R 352115 TUBE ASSY EVPORATOR IN 5211A10063A 5211A10063C R 35211A TUBE ASSY SUCTION SINGLE 5211A10062A 5211A10062B R 352380 AIR GUIDE 5238A20004A 5238A20004B R 352390 AIR GUIDE ASSY 52...

Страница 31: ...1 MOTOR ASSY SINGLE 4681A10002C 4681A10002C 4681A10012G 4681A10012G R 349480 ORIFICE 4948A10007A 4948A10007A 4948A10007A 4948A10007A R 352113 TUBE DISCHARGE 5210A20511A 5210A20511A 5210A20252A 5210A20252A R 352115 TUBE ASSY EVPORATOR IN 5211A10063C 5211A10063C 5211A10063E 5211A10063E R 35211A TUBE ASSY SUCTION SINGLE 5211A10062B 5211A10062B 5211A10062D 5211A10062D R 352380 AIR GUIDE 5238A20004B 52...

Страница 32: ...P No 3828A20038B February 2003 Printed in Korea ...

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