LG LS-B0760CM/B0760HM Service Manual Download Page 12

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(2) 7K, 9K, 12K BTU Cooling & Heating

1. Indoor Unit

2. Outdoor Unit

POWER

CN-F

CN-TH

CN-UP/DOWN

TRANS
FORMER

THERMISTOR

CN-DISP

RY-FAN

RY-4WAY

CN-4WAY

RY-COMP

PILLAR

TERMINAL

TO OUTDOOR UNIT

DISPLAY PCB ASM

INDOOR WIRING DIAGRAM

MAIN PCB

ASM

STEP

MOTOR

CN-TRANS

FORCED
OPERATION
SWITCH

OUTDOOR WIRING DIAGRAM

TO INDOOR UNIT

PILLAR
TERMINAL

FAN
MOTOR

REVERSING

Summary of Contents for LS-B0760CM/B0760HM

Page 1: ...MODEL LS B0760CM B0760HM LS B0960CM B0960HM LS B0962CM B0962HM LS B0962CD B0962HD LS B0960CD B0960HD LS C1260CM C1260HM LS C1260CD C1260HD LS C1120CM C1420CM LS C1420CN CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ...

Page 2: ... Cycle Diagram 10 Wiring Diagram 11 Operation Details 13 Display Function 20 Self diagnosis Function 20 Installation 21 Operation 39 Disassembly of the parts Indoor Unit 41 2 way 3 way Valve 44 Cycle Troubleshooting Guide 51 Electronic Parts Troubleshooting Guide 52 Electronic Control Device 56 Schematic Diagram 59 Exploded View Replacement Parts List 61 2 Contents ...

Page 3: ... or Auto Intermittent operation of fan at low speed The louver can be set at the desired position or swing up and down right and left not on all models automatically The fan speed is automatically switched from high to low speed Both the indoor and outdoor fan stops during deicing Hot start after deice ends The indoor fan stops until the evaporator piping temperature will be reached at 28 C The fa...

Page 4: ...o 30 C Cooling OFF ON OFF ON Cancel Sleep Mode Timer ON or Timer OFF 1 2 3 4 5 6 7 Off Timer Fan Operates without cooling or heating Auto Operation Mode Heating Operation Mode Operation Mode Selection Fan Speed Selection Room Temperature Display Temperature Setting Setting the Time or timer Timer Selection Timer Setting Timer Cancel Sleep Operation Airflow Direction Control Fan Operation Mode Rese...

Page 5: ...Ø 220V 60Hz 4 85 5 3 5 3 8 5 10 2 9 5 25 25 25 25 25 25 36 3 39 3 38 3 39 3 41 3 41 3 47 3 49 3 49 3 49 3 50 3 50 3 755 920 920 1 050 1 140 1 270 3 2 4 0 4 0 4 9 5 0 5 9 9 7 9 5 9 5 10 5 10 5 11 7 10 10 10 15 15 25 25 25 25 25 25 810 x 220 5 x 152 900 x 290 x 183 660 x 540 x 260 801 x 555 x 262 6 5 6 5 6 5 10 10 10 27 27 27 33 33 35 540 670 690 1 080 840 980 O O O O O O L C D Wireless 1 4 6 35 1 4...

Page 6: ...1 2 1 2 1 7 1Ø 220 240V 50Hz 4 85 5 3 5 6 10 2 25 25 25 25 36 3 39 3 40 1 41 3 47 3 49 3 50 1 51 3 760 940 895 1 250 780 1 030 950 1 100 3 2 4 1 3 8 5 5 3 3 4 4 4 1 4 8 9 2 9 0 9 5 9 6 2 82 2 7 2 76 3 3 7 10 10 15 25 25 25 25 810 x 220 5 x 152 900 x 290 x 183 660 x 540 x 260 810 x 555 x 262 6 5 6 5 6 5 10 30 30 30 35 590 690 720 810 O O O O L C D Wireless 1 4 6 35 3 8 9 52 1 2 12 7 O O O O O O O O...

Page 7: ...D H H Installation plate Tubing hole cover Tubing hole cover Tubing hole cover Tubing hole cover Installation plate Hole for piping Hole for piping 7K 9K 11K 12K 14K MODEL 7K 9K BTU 11K 12K 14K BTU DIM Series Series W mm 810 900 H mm 220 5 290 D mm 152 183 ...

Page 8: ...3 way valve 2 Oudoor Unit 7K 9K 11K 12K 14K MODEL 7K 9K 11K BTU Series 12K 14K BTU Series DIM W mm 660 801 H mm 540 555 D mm 260 262 L1 mm 297 339 L2 mm 18 5 37 L3 mm 523 543 6 L4 mm 17 11 4 L5 mm 447 591 L6 mm 76 5 105 L7 mm 76 5 105 L8 mm 66 72 5 L9 mm 82 86 4 L10 mm 77 77 ...

Page 9: ...ount g Btu h LENGTH m A B per 1m 7000 4 7 15 20 9000 4 7 15 20 12000 4 7 15 20 18000 5 15 30 25 40 24000 5 15 25 40 A B mean indoor unit higher located than outdoor unit Capicity is based on standard length and maximum allowance length is the basis of relia bility Oil trap should be installed per 10 meters Numerical value in is for Rotary Comp model ...

Page 10: ...igeration Cycle Diagram INDOOR UNIT HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR COOLING HEATING ACCUMU LATOR REVERSING VALVE GAS SIDE CAPILLARY TUBE LIQUIDSIDE 2 WAYVALVE 3 WAYVALVE OUTDOOR UNIT ...

Page 11: ... POWER CN FAN CN TRANS CN TH THERMISTOR RY COMP MAIN PCB DISPLAY PCB ASM ASM CN DISP FUSE T2A CN UP DOWN 1 2 4 3 TERMINAL TRANS FORCED OPERATION SWITCH FORMER N INDOOR WIRING DIAGRAM 1 2 N L 1 2 N L TRANS FORMER FORCED OPERATION SWITCH THERMISTOR PILLAR TERMINAL MAIN PCB ASM DISPLAY PCBASM INDOOR WIRING DIAGRAM 7K 9K 12K 11K 14K COMP FAN MOTOR TO INDOOR UNIT PILLAR TERMINAL OUTDOOR WIRING DIAGRAM ...

Page 12: ...TH CN UP DOWN TRANS FORMER THERMISTOR CN DISP RY FAN RY 4WAY CN 4WAY RY COMP PILLAR TERMINAL TO OUTDOOR UNIT DISPLAY PCB ASM INDOOR WIRING DIAGRAM MAIN PCB ASM STEP MOTOR CN TRANS FORCED OPERATION SWITCH OUTDOOR WIRING DIAGRAM TO INDOOR UNIT PILLAR TERMINAL FAN MOTOR REVERSING VALVE ...

Page 13: ...Button to swing the louver up and down automatically 3rd Repress the Airflow Direction Control Button to set the louver as the desired position 3 Cooling Mode Operation When selecting the Cooling Mode Operation the unit will operate according to the setting by the remote con troller and the operation diagram is as following 4 Cooling or Heating Mode with Sleep Mode Auto Operation When selecting th...

Page 14: ...ode The operation will be stopped after 1 2 3 4 5 6 7 hours Intake Air temp COMP ON SET TEMP 0 5 C COMP OFF SET TEMP 0 5 C INDOOR FAN SPEED COMPRESSOR ON OFF OFF ON ON Low Low Low Low 1 C 1 C Low 30 minutes 30 minutes More than 3 minutes More than 3 minutes SETTING TEMP 3 C COMPRESSOR OFF SETTING TEMP COMPRESSOR ON INDOOR FAN SPEED COMPRESSOR Med ON ON ON Low or OFF Low or OFF Low or OFF OFF OFF O...

Page 15: ... C 24 C Soft Dry below 21 C Heating Over 24 C Cooling Intake Air temp Setting Temp 0 5 C Compressor OFF Setting Temp 0 5 C Compressor ON COMPRESSOR ON OFF ON OFF INDOOR FAN SPEED Fuzzy Speed Intake air Temperature Setting Temperature Over 26 C 25 C Over 24 C below 26 C Intake air 1 C Over 22 C below 24 C Intake air 0 5 C Over 20 C below 22 C Intake air temperature below 20 C 20 C Over 20 C below 3...

Page 16: ...hat of the current intake air temperature Compressor ON temperature Setting temperature 1 C Compressor OFF temperature Setting temperature 0 5 C Auto Operation for Heating 16 Intake Air temp below 20 C Over 20 C below 21 C Setting temp 20 C Intake air temperature 0 5 C ...

Page 17: ...RESSOR ON OFF ON OFF A point The indoor pipe temperature to be 35 C The indoor fan operates minimum 10sec even if falls lower than 35 C B point The indoor pipe temperature to be 35 C The indoor fan operates minimum 10sec even if falls lower than 35 C INDOOR FAN SPEED LOW OFF LOW LOW OFF 7 Hot Start Control The indoor fan stops until the evaporator piping temperature will be reached at 28 C BY TEMP...

Page 18: ...t the priority I condition If temperature of indoor pipe is over 32 C Deicing function operates at the priority II condition If the temperature difference Td become more than the option temperature deicing operation starts At that time deicing operation time is decided The deicing operation time starts after deicing operation started If deicing operation start above heating operation time is reset...

Page 19: ...perature 10min MAX Compressor ON from starting of Dry operation which includes 4 min Compressor ON operation below the com pressor OFF temperature In micom dehumidify mode control of fan speed is as following ROOM TEMP Operation Cooling Dry operation 1 5 minutes 5 5 minutes 10 minutes 1 minutes 2 minutes maximum 4 minutes maximum 10 minutes INDOOR FAN SPEED ON ON ON OFF OFF OFF LOW LOW LOW LOW OFF...

Page 20: ...7 C the compressor and the outdoor fan is reoperated 2 Thermistor Cut Off of Short Cut Off Short Blinks on and off the operation mode LED 0 5 sec ON 3 sec OFF Display Function 20 Self diagnosis Function Operation Indicator Cooling Soft Dry Fan Heating Timer Mode Sleep Mode Hot start Deice Timer Indicator Sleep Timer Indicator Deicer Indicator Operation Indicator Timer Indicator Sleep Timer Indicat...

Page 21: ... into consid eration Do not install the unit near the door way Ensure the spaces indicated by arrows from the wall ceiling fence or other obstacles If an awning is built over the unit to prevent direct sunlight or rain exposure be careful that heat radia tion from the condenser is not restricted There should not be any animals or plants which could be affected by hot air discharged Ensure the spac...

Page 22: ...ontally by aligning the marking off line with using the thread and a level 2 Drill the piping hole with 70mm dia holecore drill Drill the piping hole at either the right or the left and the hole should be slightly slant to the outdoor side Type A screw Installation Plate marking off line Thread Weight The lower left and right side of Installation Plate Left rear piping Left rear piping Right rear ...

Page 23: ...oor and outdoor unit onto the copper pipes Some refrigerant gas may leak when the flare nuts are removed from the indoor unit as some gas is charged to prevent the inside of the pipe from rusting Fit the copper pipe end into the Bar of flare tool about 0 5 1 0mm higher See illustration Flare the pipe ends 4 Tape the flaring portion to protect it from the dust or damages 90 Bar Copper pipe Clamp ha...

Page 24: ... on the wall 4 Connect the pipings and the indoor tubing and drain hose and drain pipe Do not connect the cable to the indoor unit Wrap the insulation material around the connecting portion Glue up the connection portion of drain hose and drain pipe Pull Pull Installation Plate Connecting cable Drain pipe Connecting piping Indoor Outdoor Indoor unit tubing Flare nut Spanner Torque wrench Plastic B...

Page 25: ...oor unit with the upper edge of the installation plate Ensure the hooks are properly seated on the installation plate by moving it in left and right CAUTION Take care to arrange the pipings drain hose and cables as the feature 24 page for inserting it into the indoor unit and mount the indoor unit on the installa tion plate Tape Loop Gas side piping Liqid side piping Drain hose Connecting cable Pr...

Page 26: ... cable to the indoor unit Make a small loop for easy conection later Glue up the connection portion of drain hose and drain pipe 5 Bend the drain hose as shown in the figure and bind the drain hose the pipings and the con necting cables altogether Indoor unit tubing Flare nut Pipings Torque wrench Spanner Drain Hose Drain Pipe Adhesive Loop Indoor Outdoor Drain hose Drain pipe Connecting piping Co...

Page 27: ...sition of installation plate Engage the two hooks of the rear top of the indoor unit with the upper edge of the installation plate Insure the hooks are properly seated on the installation plate by moving it in left and right Plastic Bands Insulation material Wrap the insulation material around the connecting portion Indoor Outdoor connecting cable Taping Connecting cable Gas side piping Liquid sid...

Page 28: ... hole Do not connect the cable to the indoor unit Make a small loop with the cable for easy connec tion later 5 Tape the tubing drain hose and the connecting cable For right rear piping Tubing holder Pull Press 11K 12K 14K Series To remove the holder press the bottom of the chassis near the holder upwards and the tab is clear of its hole Turn it clockwise approx 90 C and remove it Outdoor Indoor D...

Page 29: ...the flare nut with torque wrench until the wrench clicks Wrench tightening the flare nut with torque wrench ensure the direction for tightening follows the arrows on the wrench 8 Wrap the insulation material around the connecting portion 29 Pipe Size Torque Liquid Side 1 4 1 8kg m Gas Side 3 8 4 2kg m Gas Side 1 2 5 5kg m Connecting cable Press the lower left and right side of the unit against the...

Page 30: ... with the cable for easy connec tion later 30 For the left pipings 6 Tape the tubing drain hose and the connecting cable Pull Press Tubing holder 12K Series To remove the holder press the bottom of chassis near the holder upward ad the tab is clear of its hole Turn it clokwise approx 90 C and remove it Indoor Drain pipe Connecting piping Outdoor Connecting cable Connecting cable Taping Indoor Outd...

Page 31: ...ng the flare nut with torque wrench until the wrench clicks Wrench tightening the flare nut with torque wrench ensure the direction for tightening follows the arrows on the wrench 9 Wrap the insulation material around the con necting portion Pipe Size Torque Liquid Side 1 4 1 8kg m Gas Side 3 8 4 2kg m Gas Side 1 2 5 5kg m Press the lower left and right side of the unit against the Installation Pl...

Page 32: ...ar top of the indoor unit with the upper edge of the installation plate Ensure the hooks are properly seated on the instal lation plate by moving it in left and right 32 Press the lower left and right side of the unit against the Installation Plate until the hooks engages with their slots sound click 11K 12K 14K Series Press Turn 90 Connecting cable Drain hose Piping Taping Connecting piping Drain...

Page 33: ...unit Outdoor unit Gas side piping Bigger Dia Liquid side piping Smaller Dia Torque wrench Terminal block Pillar terminal Connecting cable Holder for connect cable Cover control Over 5mm 3 Secure the cable onto the control board with the holder clamper 4 Refix the cover control to the original position with the screw The connecting cable for installation of indoor and outdoor unit must be approved ...

Page 34: ...re Remove the securing screws To remove the Grille pull lower the left and right side of the grille toward you slightly tilted and lift it straight upward 2 Check the drainage Pour a glass of water on the evaporator Ensure if water flows drain hose of indoor unit 4 Checking the Drainage and Pipe forming Pull the right and the left side Screw Evaporator ...

Page 35: ...nd 2 Tape the Pipings drain hose and Connecting Cable from down to up 3 Form the pipings gathered by taping along the exterior wall and fix it onto the wall by saddle or equivalent 2 Tape the Pipings and Connecting cable from down to up 3 Form the pipings gathered by taping along the exterior wall make the Trap to be required to prevent the room from entering the water 4 Fix the pipings onto the w...

Page 36: ...and set it free for one minute Result 7 Set both liquid and gas side valves to open position with the Hexagonal wrench for the unit operation 5 Air Purging 1 Air purging The air remaining which contains moisture in the refrigeration cycle may cause a malfunction on the compressor 1 Remove the caps from the 2 way and 3 way valves 2 Remove the service port cap from the 3 way valve 3 To open the valv...

Page 37: ...that of measured at first time NOTE The additional gas for air purping has been charged in the outdoor unit However if the flare connections have not been done correctly and there gas leaks a gas cylinder and the charge set will be needed CAUTION Do not leak the gas in the air during air purging Use vaccum pump as far as possible Indoor unit Liquid side Closed Outdoor unit Gas side Closed OPEN CLO...

Page 38: ... or reversely Heating Bolt Tubing connection 1 Connection of power supply 1 Connect the power supply cord to the inde pendent power supply Circuitbreaker is required 2 Prepare the remote controller Insert two batteries provided Remove the battery cover from the remote controller Slide the cover according to the arrow direction Insert two batteries Two R03 or AAA dry cell batteries or equivalent Be...

Page 39: ...e of stopping operation Time Setting Button Used to adjust the time Timer Set Button Used to set the timer when the desired time is obtained Timer CANCEL Button Used to cancel the timer operation Sleep Mode Auto Button Used to set Sleep Mode Auto Operation Fan Operation Button Used to circulate room air without cooling Room Temperature Checking Button Used to check the room temperature Airflow Dir...

Page 40: ...ng Button Used to adjust the time Timer Set Button Used to set the timer when the desired time is obtained Timer CANCEL Button Used to cancel the timer operation Sleep Mode Auto Button Used to set Sleep Mode Auto Operation Fan Operation Button Used to circulate room air without heating Room Temperature Checking Button Used to check the room temperature Airflow Direction Control Button Used to set ...

Page 41: ...the up and down air discharge louver to open position horizontally by finger pressure Remove the securing screws To remove the Grille pull the lower left and right side of the grille toward you slightly tilted and lift it straight upward 1 To remove the sensor housing connect earth conductor step motor conductor with sensor holder Motor Evaporator P C B Up and down air direction louver Screw ...

Page 42: ...Box Remove 2 or 4 securing screws Pull the control box out from the chassis carefully 3 To remove the Discharge Grille Remove the securing screw Pull the discharge grille out from the chassis care fully 4 To remove the Evaporator ...

Page 43: ...at the same time slightly pull the evaporator toward you until the tab is clear of the slot 5 To remove the Cross Flow Fan Loosen the screw securing the cross flow fan to the fan motor do not remove Pull the left end of the cross flow fan with the selfaligning bearing out the groove Remove the cross flow fan by sliding it out from the shaft of fan motor 6 To remove the Fan Motor Pick it up from th...

Page 44: ...own Closed Open Open Transfering clockwise counter clockwise connected manifold gauge Evacuation Open Open Open Servicing with charging cylinder Gas charging Open Open Open Servicing with charging cylinder Pressure check Open Open Open Servicing with charging cylinder Gas releasing Open Open Open Servicing with charging cylinder 1 2 3 4 5 6 Flare nut Hexagonalwrench 4mm Open position Valve cap Fla...

Page 45: ...ch to operate the valve stem 3 Check for gas leakage Check the flare connections for gas leakage 4 Purge the air from the system Set the 2 way valve to the open position and remove the cap from the 3 way valve s service port Using the hexagonal wrench to press the valve core pin discharge for three seconds and then wait for one minute Repeat this three times 5 Use torque wrench to tighten the serv...

Page 46: ...arge set to the service port of the 3 way valve Connect the charge hose with the push pin to the service port 4 Air purging of the charge hose Open the low pressure valve on the charge set slightly to air purge from the charge hose 5 Set the 2 way valve to the closed position 6 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 1kg cm2g 7 Immediately set the 3 wa...

Page 47: ...pproximately 45 for 3 seconds then closing it for 1 minute repeat 3 times After purging the air use a torque wrench to tighten the flare nut on the 2 way valve 4 Check for gas leakage Check the flare connections for gas leakage 5 Discharge the refrigerant Close the valve on the gas cylinder and discharge the refrigerant until the gauge indicates 3 to 5 kg cm2g 6 Disconnect the charge set and the g...

Page 48: ...et closed Connect the charge hose with the push pin to the service port 3 Open the valve Low handle on the charge set and discharge the refrigerant until the gauge indicates 0 kg cm2G If there is no air in the refrigerant cycle the pres sure when the air conditioner is not running is high er than 1 kg cm2G discharge the refrigerant until the gauge indicates 0 5 to 1 kg cm2G If this is the case it ...

Page 49: ... the valve Low handle on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approximately 5 min utes after turning off the vacuum pump 4 Disconnect the charge hose from the vacuum pump Vacuum pump oil If the vacuum pump oil becomes dirty or depleted replenish as needed Indoor unit Liquid side Outdoor unit Open 2 Way valve 3 Way valve Open Gas side OPEN Low hand...

Page 50: ...while operating the air conditioner in the cooling cycle however one time is not sufficient wait approxi mately 1 minute and then repeat the procedure pumping down pin 4 Immediately disconnect the charge hose from the 3 way valve s service port Stopping partway will allow the gas to be dis charged If the system has been charged with liquid refriger ant while operating the air conditioner turn off ...

Page 51: ...ing Guide Suction pressure Temperature Compared with Compared with Cause of Trouble Description the normal value the normal valve High Defective compressor Current is low Defective 4 way reverse valve Normal Excessive amount of High pressure does not quickly refrigerant rise at the beginning of operation Insufficient amount of Current is low Lower Higher refrigerant Leakage Clogging Current is low...

Page 52: ... voltage of IC2 DC12V Is output voltage of IC3 DC5V Is the reset circuit all right Is output voltage of IC1 PIN3 51 DC5V Check the fuse check the wiring diagram Is shorted the trans output NO YES YES YES YES YES YES YES YES NO NO NO NO NO NO NO Check the main P C B pattern Exchange the trans Exchange BD01 Exchange IC2 Exchange IC3 Exchange IC1 Check the DC 5V P C B pattern Check and exchange IC4 ...

Page 53: ... right Exchange the defect Relay Exchange the FAN Motor and Check the Relay Does the temperature set all right Does the temperature set all right Does the temperature set all right YES YES YES NO NO NO NO NO NO NO YES YES YES YES Adjust setting temp Adjust setting temp Check the FAN Motor and Connector Exchange the IC8 ...

Page 54: ...he IC7 Connect CN DISP exactly Check the P C B of DC12V pattern NO NO NO NO YES YES YES YES YES Is the voltage of CN UP DOWN NO 1DC12V Is the battery consumption O K Exchange the battery Check the P C B pattern Is DC5V between 1 and 7 of CN DISP Is the connection of CN DISP all right Exchange receiver asm Check the step motor and Connector CN UP DOWN ...

Page 55: ...eration Does 4 way operate Check Voltage of IC8 1pin DC 5V Check Voltage of IC8 16pin 0V Check the RY 4way and 4way VALVE Is the F PO key OK P C B pattern Check Check and Exchange IC3 RY1 Check P C B pattern to IC1 42pin Check and Exchange IC8 Exchange the F OP key NO NO NO NO YES YES YES YES ...

Page 56: ... 1 MAIN P C B ASM 7K 9K 11K 12K 14K BTU Cooling Only Series 56 Electronic Control Device 250V T2A 125V 2A P C B ASM P NO 7K 9K 6871AQ2146E 11K 12K 14K 6871AQ2146B LS C1420CN 6871AQ2146W ...

Page 57: ... 57 2 MAIN P C B ASM 7K 9K 12K BTU Cooling Heating Series 250V T2A 125V 2A P C B ASM P NO 7K 9K 6871AQ2146D 12K 4871AQ2146A ...

Page 58: ... 58 3 DISPLAY P C B ASM 7K 9K BTU Series 11K 12K 14K BTU Series ASM 6047AQ3029C LD1 LD2 LD3 LD4 REMOCON RECIVER 1 CN MAIN 7 LD1 LD3 LD2 LD4 B K RECEIVER ASM ...

Page 59: ... 59 Schematic Diagram 7K 9K 11K 12K 14K BTU Cooling Only Series ...

Page 60: ... 60 7K 9K 12K BTU Cooling Heating Series ...

Page 61: ... 61 Exploded View Replacement Parts List 1 Indoor Unit 7K 9K BTU series 24 23 25 21 19 20 22 8 11 10 7 6 5 4 2 1 3 17 18 26 14 16 13 12 9 15 ...

Page 62: ... 4010AR3071A 1 1 1 1 1 1 11 SOCKET FLARE 3A00357D 1 1 1 1 1 1 R 12 CONTROLLER ASM 4781AR1186 1C 1A 1C 1C 1A 1B 13 POWER CORD ASSY 3H02255U 1 1 1 1 1 1 R 14 CONTROL BOARD 4994AR0051A 1 1 1 1 1 1 15 POWER TRANS 6171AQ2147 1B 1B 1B 1B 1B 1B R 16 DISPLAY PCB ASM 6047AQ3029C 1 1 1 1 1 1 R 17 MAIN PCB ASM 6871AQ2146 1E 1D 1E 1E 1D 1D R 18 THERMISTOR ASM 3Q35099A 1 1 1 1 1 1 R 19 STEP MOTOR ASM 2H01803B ...

Page 63: ... 63 2 Outdoor Unit 7K 9K 11K BTU series 4 15 3 7 9 10 8 5 12 11 30 31 13 14 19 20 34 23 4 2 22 32 35 6 24 4 3 2 4 1 29 21 26 1 27 33 16 17 18 25 ...

Page 64: ...VALVE ø12 7 1 13 6750 CL013A OVERLOAD PROTECTOR 1 1 1 1 1 1 R 6750U L004A 1 6750U L010A 14 5300 CL101 O L P SPRING 1A 1A 1A 1A 1A 4970U L002 1A 1A 15 4995AR2361 CONTROL PANEL ASM 1D 1B 1B 4781AR2098 1E 1E 1E 1C 16 4H01008A CLAMP CAPACITOR 1 1 1 4H01017A 1 1 1 1 17 2A00986 SH CAPACITOR 1Q 1Q 1Q 1N 1Q R 2H01451 1P 1P 18 4H03048 PILLAR TERMINAL 1A 1A 1A 1A 1C 1J 1J R 19 3550 CL001A TERMINAL COVER 1 1...

Page 65: ...A 1 1 1 5210AR3418D 1 32 2H02385F COVER GRILLE 1 1 1 1 1 1 1 33 3H00390 TERMINAL BLOCK 1B 1B 1B 1B 2A 2A 2A 34 3A02028G COIL REVERSING 1 1 1 R 5220AR3084A VALVE REVERSING 1 1 1 35 2H02424N PANEL ASSY FRONT 1 1 1 1 1 1 1 NO PART NO PART NAME Q TY RE MARKS LS B0960CD LS B0960CM LS B0760CM LS B0962CD LS B0962CM LS C1120CM LS B0760HM LS B0960HD LS B0960HM LS B0962HD LS B0962HM ...

Page 66: ... 66 3 Indoor Unit 11K 12K 14K BTU Series 1 4 5 7 6 2 3 8 24 11 12 9 23 22 32 30 10 31 27 25 26 33 28 13 20 19 16 17 18 21 13 15 29 ...

Page 67: ... 17 4H03048H PILLAR TERMINAL 1 1 1 1 R 18 4H03048 PILLAR TERMINAL 1H 1H 1H 1J R 19 6047AQ3021C DISPLAY PCB ASM 1 1 1 1 R 20 6871ZQ2146 MAIN PCB ASM 1B 1B 1B 1W 1A R 21 3Q35099 THERMISTOR ASM 1E 1E 1E 1A R 22 4681AR2727B STEPPING MOTOR 1 1 1 1 R 23 5250AR2044D DRAIN HOSE ASM 1 1 R 5251AR1222 1C 1C 24 5009AR1179 DISCHARGE GRILLE ASM 1E 1A 1A 1N 1A R 25 3530AR1116A INLET GRILLE 1 1 1 R 3530AR1118S 1 ...

Page 68: ... 68 4 Outdoor Unit 12K 14K BTU Series 4 28 13 18 30 8 7 5 3 17 26 9 10 11 12 6 2 15 16 21 20 19 24 1 22 23 25 14 31 29 27 ...

Page 69: ... REVERSING VALVE 5220AR3084A 1 R REVERSING VALVE COIL 3A02028N 1 R 13 CAPILLARY FINAL ASM 5425AR2160B 1 5425AR2485A 1 5425AR2705A 1 1 14 CONDENSER ASM 5403AR2409 1D 1B R 5403AR2389 1K 15 CLAMP CAPACITOR 4H01008A 1 1 1 16 TERMINAL BLOCK 3H00390A 1 R 3H00390B 1 1 1 R 17 PILLAR TERMINAL 4H03048H 1 1 R 4H03048J 1 R 18 SH CAPACITOR 2H01451 1T 1P R 6120AR2194 1H 19 MOUNT MOTOR 1H00838A 1 1 1 20 MOTOR FA...

Page 70: ...LLE 2H02385 1F 1F 1D 1F R 28 REAR PANEL 1H00697C 1 1 1 29 TOP COVER ASM 3H03465A 1 1 1 30 COVER CONTROL ASM 2H02082A 1 1 1 31 HANDLE 3H03168A 1 1 1 R No PARTS NAME PART No Q TY REMARK LS C1260CD LS C1260CM LS C1420CM LS C1420CN LS C1260HD LS C1260HM ...

Page 71: ...P NO 3828AR7036F Printed in Korea ...

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LG LS-B0760CM/B0760HM, Service Manual

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