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LG LS-0960CL, Service Manual

The LG LS-0960CL Service Manual is an essential resource for troubleshooting and maintaining this versatile product. Easily download the comprehensive manual for free from our website, where you will find step-by-step instructions and detailed diagrams, ensuring optimal performance and longevity of your LG LS-0960CL.

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Parts List (LS-P0760HL/P0960HL, LS-S0960HL/S1260HL)

ƒ¡

77

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Q'TY

LS-P0760HL LS-P0960HL LS-S0960HL LS-S1260HL

1

2H02435B

BASE PAN WELD ASM

1

1

1

1

2 

1H00838A

MOUNT, MOTOR

1

1

1

1

3

1H00853

MOTOR, FAN

1D

1D

1D

1D

R

4

1H00643A

FAN

1

1

1

1

R

4-1

1WPA0600014

PLAIN WASHER

1

1

1

1

4-2

4H02861A

FAN NUT

1

1

1

1

5

2H02383B

SUPPORT, VALVE 

1

1

1

1

6 

2H02382

CONDENSOR ASM

1D

1D

1E

1E

7 

1H00408

COMPRESSOR

1H

R

2H02466

1C

1J

5417AR2256

1A

8 

4H00982A

ANTI-VIBRATION BUSH

3

3

3

3

9 

1NHA0801206

HEXAGON NUTS

3

3

3

3

10 

4H00972D

WASHER

3

3

3

4H01811C

3

12

2H02379

SERVICE VALVE(1/4")

1B

1B

1B

1B

R

13

2H01890

SERVICE VALVE(1/2")

1H

1H

R

2A00393

SERVICE VALVE(3/8")

1F

1F

14

6750-CL005A

OVER LOAD PROTECTOR

1

R

6750-CL013A

1

1

1

15 

5300-CL101A

O.L.P SPRING

1

1

1

1

16 

4995AR2361

CONTROL PANEL ASM

1H

1A

1A

1A

17 

4H01017A

CLAMP, CAPACITOR

1

1

1

1

18

2A00986

SH CAPACITOR

1Q

R

2H01451

1P

1P

1P

19 

4H03048

PILLAR TERMINAL

1A

1A

1F

1F

R

20 

3550-CL001A

TERMINAL COVER

1

1

1

1

21 

4H00947A

NUT, TERMINAL COVER

1

1

1

1

22

1H00836B

REAR PANEL 

1

1

1

1

24

2H02448

CONTROL COVER ASM

1E

1E

1E

1E

25 

3721AR2103B

PANEL ASS'Y, FRONT

1

1

1

1

26

4H01050A

BAND CORD

1

1

1

1

27 

3H03714A

TOP COVER ASM

1

1

1

1

28

1H00839A

CONTROL PANEL 

1

1

1

1

29

3H03168A

HANDLE

1

1

1

1

NO           PART NO.  PART NAME

Summary of Contents for LS-0960CL

Page 1: ...om Air Conditioner MODEL LS P0760CL P0760HL LS P0820C LS P0960CL P0960HL LS S0960CL S0960HL LS S1120C LS S1260CL S1260HL LS S1420CL LS S1421CL CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ...

Page 2: ...Wiring Diagram 11 Operation Details 13 Display Function 21 Self Diagnosis Function 21 Installation 22 Operation 41 Disassembly of the parts Indoor Unit 43 2 way 3 way Valve 46 Cycle Trouble Shooting Guide 53 Electronic Parts Trouble Shooting Guide 54 Electronic Control device 59 Schematic Diagram 63 Exploded View Replacement Parts List 67 ƒ 2ƒ ...

Page 3: ... 4 5 6 7 hours ƒU The fan is switched to intermittent or irregular operation ƒU The fan speed is automatically switched from high to low speed ƒU The louver can be set at the desired position or swing up and down automatically Indoor Unit Operation ON OFF by Remote controller Sensing the Room Temperature Room temperature control Starting Current Control Time Delay Safety Control Indoor Fan Speed C...

Page 4: ...Airflow Direction Control Cooling model only Heating model only TEMPERATURE LOW HIGH Low Med High CHAOS Cooling Operation Mode Soft Dry Operation Mode Auto Operation Mode Heating Operation Mode CHAOS ON OFF SET CANCEL Fan Operation Mode RESET High 39 C LOW 11 C Cooling Down to 20 C Up to 30 C Heating Down to 16 C Up to 30 C OFF ON OFF ON Cancel Sleep Mode Timer ON or Timer OFF 1 2 3 4 5 6 7 Off Ti...

Page 5: ...4 0 3 9 3 4 3 3 5 8 5 4 E E R BTU h W 10 4 10 2 9 44 9 44 12 0 12 0 10 17 10 17 Indoor 8 8 10 15 Outdoor 25 25 25 25 Indoor 790 230 142 880 302 183 Outdoor 660 540 260 Indoor 7 7 9 5 9 5 Outdoor 29 29 29 30 Refrigerant R 22 g 560 490 780 700 Airflow Direction Control Up Down Remocon Type L C D Wireless Liquid 1 4 6 35 Gas 3 8 9 52 1 2 12 7 Sleeping Operation Drain Hose Connecting Cable 1 0mm2 Powe...

Page 6: ...h W 10 6 10 5 9 7 9 3 Indoor 4 5 19 8 19 8 19 8 Outdoor 20 30 30 35 Indoor 790 230 142 880 302 183 Outdoor 660 540 260 Indoor 6 9 5 9 5 9 5 Outdoor 29 31 5 33 5 31 5 Refrigerant R 22 g 600 710 980 750 Airflow Direction Control Up Down Remocon Type L C D Wireless Liquid 1 4 6 35 Gas 3 8 9 52 1 2 12 7 Sleeping Operation Drain Hose Connecting Cable 1 0mm2 Power Cord 1 0mm2 Air Circulation Noise Level...

Page 7: ... 3 4 5 4 5 6 2 6 0 E E R Cooling BTU h w 9 86 9 7 9 23 9 0 10 0 10 0 9 7 9 6 C O P Heating W W 2 93 2 97 2 93 2 81 3 32 3 2 3 2 3 1 Indoor 8 8 10 15 Outdoor 25 25 25 25 Indoor 790 230 142 880 302 183 Outdoor 660 540 260 Indoor 7 7 9 5 9 5 Outdoor 30 31 31 33 Refrigerant R 22 g 600 540 1 020 1 150 Airflow Direction Control Up Down Remocon Type L C D Wireless Liquid 1 4 6 35 Gas 3 8 9 52 1 2 12 7 Sl...

Page 8: ...plate Hole for piping Tubing hole cover Tubing hole cover 20 50 MODEL DIM W mm 790 880 H mm 230 302 D mm 142 183 LS P0760CL P0760HL P0820CL LS P0960CL P0960HL LS S0960CL S0960HL S1120CL LS S1260CL S1260HL S1420CL S1421CL LS P0760CL P0760HL LS P0820CL LS P0960CL P0960HL LS S0960CL S0960HL LS S1120CL LS S1260CL S1260HL LS S1420CL S1421CL ...

Page 9: ...side 2 way valve Gas side 3 way valve MODEL DIM W mm 660 H mm 540 D mm 260 L1 mm 297 L2 mm 66 L3 mm 447 L4 mm 17 L5 mm 82 LS P0760CL P0760HL LS P0820CL LS P0960CL P0960HL LS S0960CL S0960HL LS S1120CL LS S1260CL S1260HL LS S1420CL LS S1421CL ƒ 9ƒ ...

Page 10: ...S P0820CL 3 8 1 4 7 5 LS P0960CL P0960HL LS S0960CL S0960HL LS S1120CL LS S1260CL S1260HL LS S1420CL S1421CL INDOOR UNIT OUTDOOR UNIT HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSOR COMPRESSOR ACCUMU LATOR GAS SIDE 3 WAY VALVE LIQUID SIDE 2 WAY VALVE CAPILLARY TUBE COOLING HEATING REVERSING VALVE Heating Model Only 1 2 1 4 7 5 ...

Page 11: ...BR F C H BL R S C COMP FAN MOTOR BL CAPACITOR RD TO INDOOR UNIT OUTDOOR WIRING DIAGRAM RD BR OLP YL PILLAR TERMINAL BL 3854AR2262E 1 L 2 N GN YL 1 GN YL BL BR 3 4 BK BK 2 RD BL BR REVERSING VALVE RD BK 3 BR BLACK GRAY MODEL INDOOR UNIT OUTDOOR UNIT LS P0760CL LS P0820CL LS P0960CL LS S0960CL LS S1120CL LS S1260CL LS S1420CL LS S1421CL LS P0760HL LS P0960HL LS S0960HL LS S1260HL Ø Œ º Ł Ł ...

Page 12: ...FORCED OPERATION SWITCH MOTOR STEP MOTOR 1 L 2 N 1 L 2 N Ø Œ BLACK BL BR RD BK GN YL GRAY BR BL GN YL GN YL POWER BR BL BL OR BR YL CN FAN SSR L SSR M SSR H CN TRANS CN TH CN UP DOWN CN DISP THERMISTOR MAIN PCB ASM INDOOR WIRING DIAGRAM 3854AR2262C GN YL BK RD TO OUTDOOR UNIT RY FAN PILLAR TERMINAL RY 4WAY CN 4WAY CN POWER RY COMP FUSE T2A 2 1 3 4 BR BL TRANS FORMER FORCED OPERATION SWITCH SH CAPA...

Page 13: ...utton to set the louver as the desired position 3 Cooling Mode Operation ƒU When selecting the Cooling Mode Operation the unit will operate according to the setting by the remote controller and the operation diagram is as following 4 Cooling or Heating Mode with Sleep Mode Auto Operation ƒU When selecting the Cooling or the Heating combined with the Sleep Mode Auto Operation the operation diagram ...

Page 14: ...the Sleep Mode ƒU The operation will be stopped after 1 2 3 4 5 6 7 hours ƒ 14ƒ Intake Air temp COMP ON SET TEMP 0 5 COMP OFF SET TEMP 0 5 Morethan More than 3 minutes 3 minutes INDOOR FAN Low Low Low Low Low COMPRESSOR ON OFF ON OFF ON Delay 3 minutes 30 minutes 30 minutes 1 1 Setting Temp 3 Compressor OFF Setting Temp Compressor ON Indoor Fan Med Med Med Med Med Med Compressor ON OFF ON OFF ON O...

Page 15: ...eating Soft Dry Cooling Operation Condition Intake air Temperature Setting temperature Fan speed Air Direction Control Over 26 C 25 C Over 24 C below 26 C Intake air 1 0 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 30 C Fuzzy control below 20 C 20 C Over 30 C 30 C below 21 below 24 Over 24 Over 21 When Auto Operation initial st...

Page 16: ... air temperature Compressor ON temperature Setting temperature 1 C Compressor OFF temperature Setting temperature 0 5 C ƒ ƒU U Auto Operation for Heating ƒ 16ƒ Intake Air temp below 20 C over 20 C below 21 C Setting temp 20 C Intake air Temperature 0 5 C 21 C 20 C 20 C Intake Air temp Setting temp 20 5 C 21 C ...

Page 17: ...s and dark valleys Through analysis in its chaos simulator Goldstar has successfully created such a feeling of freshness and serenity by analyzing the frequency of natural wind Generally natural wind has the following character frequency Magnitude for example dark vally sea moun tain wind So as to make a similar Natural wind function Indoor fan speed is shifted to high from low or reversely in acc...

Page 18: ...p 3 Compressor OFF Setting temp Compressor ON INDOOR FAN Low OFF Low Low OFF COMPRESSOR ON OFF ON OFF ƒU A point The indoor pipe temperature to be 35 C The indoor fan operates minimum 10sec even if falls lower than 35 C ƒU B point The indoor pipe temperature to be 35 C The indoor fan operates minimum 10sec even if falls lower than 35 C Selecting fan speed HOT START OFF Selecting fan speed minimum ...

Page 19: ...ifference T2 TE2 TR2 and the temperature difference Td T1 T2 of T1 T2 If the temperature difference Td become more than the option temperature deicing operation starts ƒU At that time deicing operation time is decided ƒU The deicing operation time stops after deicing operation started ƒU If deicing operation start above heating operation time is reset so if deicing operation is finished the heatin...

Page 20: ... temperature 10min MAX Compressor ON from starting of Dry operation which includes 4 min Compressor ON operation below the comperssor OFF temperature ƒU In micom dehumidify mode control of fan speed is as following 11 Forced operation ƒU If you lose wireless remote controller you can operate the unit with forced operation switch ƒU The standand conditions are as following ƒ 20ƒ ROOM TEMP SETTING T...

Page 21: ... the compressor and the outdoor fan is stopped and then after 3 mins delay of the compressor and the temperature of the indoor pipe is over 7 C the compressor and the outdoor fan is reoperated 2 Thermistor Cut Off or Short Cut Off Short Blinks on and off the operation mode LED 0 5 sec ON 3 sec OFF Operation Indicator Timer Indicator Sleep Timer Indicator Deice Indicator Heating Model only Compress...

Page 22: ...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 affected by hot air discharged Ensure the spaces indicated by arrows from the wall ceiling fence or other obstacles 3 Piping length and the elevation Ringt Rear right Down right Rear left left Front Pipe size Max piping Max GAS LIQUID A m B m 3...

Page 23: ...th 70mm dia Hole core drill Line according to the arrows marked on lower the left and the right side of the installation plate The meeting point of the extended line is the center of the hole Drill the piping hole at either the right or the left and the hole should be slightly slant to the outdoor side Installation Plate Thread Marking off line Weight Type A screw Left rear piping ø70mm ø70mm 50mm...

Page 24: ...p per 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 Pipe cutter Slanted Rough Pipe Reamer Point down A Bar ...

Page 25: ...chassis near the holder upwards and pull the tab out of its hole For right rear piping ƒ 25ƒ 3 Route the tubing and the drain hose straight backwards see figure 4 Insert the connecting cable into the indoor unit through the piping 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 Outdoo...

Page 26: ...y tighten the flare nut with torque wrench until the wrench clicks Wrench tightening the flare nut with forque wrench ensure the direction for tightening follows the arrows on the wrench 8 Wrap the insulation material around the con necting portion Connecting cable Drain hose Press the lower left and right side of the unit against the installation Plate until the hooks engages with their slots sou...

Page 27: ...ubing holder Press 1 Pull 2 To remove the holder press the bottom of the chassis near the holder upwards and pull the tab out of its hole For the left pipings 4 Insert the pipings and the connecting cable into the piping hole 5 Insert the connecting cable into the indoor unit Do not connect the cable to the indoor unit Make a small loop with the cable for easy connec tion later 6 Tape the tubing d...

Page 28: ...he flare nut with torque wrench until the wrench clicks Wrench tightening the flare nut with forque wrench ensure the direction for tightening follows the arrows on the wrench 9 Wrap the insulation material around the con necting portion Plastic Bands Insulation material Wrap the insulation material around the con necting portion ƒ 28ƒ Connecting cable Drain hose Press the lower left and right sid...

Page 29: ...o hooks of the rear top of the indoor unit with the upper edge of the installa tion plate Ensure the hooks are properly seated on the instal lation plate by moving it in left and right Tubing holder Taping Piping Drain hose Hook 1 Push 2 Connecting cable Drain hose Press the lower left and right side of the unit against the installation Plate until the hooks engages with their slots sound click ƒ ...

Page 30: ...ubing and drain hose and drain pipe Don t 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 ƒ 30ƒ For right rear piping Pipe Size Torque Liquid Side 1 4 1 8kg m Gas Side 3 8 4 2kg m Installation plate pull pull Indoor unit tubing Flare nut Pipings Torque wrench Spanner Plastic Bands Insulation...

Page 31: ...e indoor unit with the upper edge of the installation plate Insure the hooks are properly seated on the installa tion plate by moving it in left and right CAUTION Take care to arrange the pipings drain hose and cables as the feature 6 page for inserting it into the indoor unit and mount the indoor unit on the installation plate Connecting cable Drain hose Press the lower left and right side of the...

Page 32: ...nit Make a small loop for easy connection 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 Outdoor Indoor Connecting Cable Drain Pipe Drain Hose Connecting Piping Loop For left rear pipings Pipe Size Torque Liquid Side 1 4 1 8kg m Gas Side 3 8 4 2kg m Indoor unit ...

Page 33: ...tion of instal lation 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 installa tion plate by moving it in left and right Indoor outdoor connecting cable Taping Gas side piping Liquid side piping Drain hose Connecting cable Connecting cable Drain hose Press the lower left and right side of the un...

Page 34: ...o the original position with the screw ƒNThe connecting cable for installation of indoor and outdoor unit must be approved by TüV standard or equivalent Pipe Size Torque Liquid Side 1 4 1 8Kg m Gas Side 3 8 4 2Kg m Gas Side 1 2 5 5Kg m Outdoor unit Liquid side piping Smaller Dia Gas side piping Bigger Dia Torque wrench Terminal block Pillar terminal Outdoor unit Over 5mm Holder for connecting cabl...

Page 35: ...e 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 Pull the right and the left side Screw Screw cap Evaporator 4 Checking the Drainage and Connecting the cable to Indoor unit ƒ 35ƒ ...

Page 36: ...ft and right side of the Grille and engage two tabs on the top in side edge of the grille with two slots on the cabinet s top front edge press the grille toward the cabinet until it will be back into place Secure the grille to the cabinet with two screws Connecting cable ƒ 36ƒ BROWN BLUE GREEN YELLOW 1 L 2 N BLACK GRAY 1 L 2 N 3 4 BLACK GRAY BROWN BLUE G Y BLACK RED Terminals on the outdoor unit T...

Page 37: ...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 and the Trap is required to prevent the room from entering the water 4 Fix the pipings onto the wall by saddle or equivalent Seal a small opening around the pipings with aum type sealer Taping Drain hose Pipings Connecting cable Plastic Band Tr...

Page 38: ... the air during Air purging with vacumm pump as possible as you can 2 way valve Open 3 way valve Close Terminal block pillar terminal Cover control To indoor unit Liquid side Gas side Cap Hexagonal wrench Service port cap 5 To open 2 way valve again turn the valve stem counter clockwise until it stops 6 To purge the air push the pin on the service port of 3 way valve for three seconds with a hexag...

Page 39: ...red at first time Chiuso Indoor unit Liquid side Closed Closed CLOSE CLOSE Outdoor unit Gas side NOTE The additional gas for air purging 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 ƒN CAUTION Do not leak the gas in the air during Air purging with vacumm pump as possible as yo...

Page 40: ...oling operation mode for fitteen minutes or more Anchor the outdoor unit with a bolt and nut ø10cm tightly and horizontally on a concrete or rigid mount When installing on the wall roof or rooftop anchor the mounting base securely with a nail or wire assuming the influence of wind and earthquake In the case when the vibration of the unit is con veyed to the house settle the unit with an anti vibra...

Page 41: ...on Used to select the type of operation mode ƒUCooling Operation Mode ƒUSoft Dry Operation Mode ƒUAuto Operation Mode D Sleep Mode Auto Button For Sleep Mode Auto Operation E ON Timer Button Used to set the time of starting operation F Timer Set Button Press to set the timer operation G Timer CANCEL Button Press to cancel the timer operation H Indoor Fan Speed Selector I OFF Timer Button Used to s...

Page 42: ...lection Button Used to select the type of operation mode ƒUCooling Operation Mode ƒUSoft Dry Operation Mode ƒUHeating Operation Mode ƒUAuto Operation Mode D Sleep Mode Auto Button For Sleep Mode Auto Operation E ON Timer Button Used to set the time of starting operation F Timer Set Button Press to set the timer operation G Timer CANCEL Button Press to cancel the timer operation H Indoor Fan Speed ...

Page 43: ...arge louver to open position horizontally by finger pressure Open the screw caps upward and 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 44: ...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 carefully 4 To remove the Evaporator ƒ 44ƒ ...

Page 45: ...rd 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 cros flow fan with the self aligning 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 the groove Do not remove a black rubber as a spacer ...

Page 46: ...lockwise connected manifold gauge Open Open Open with charging cylinder Open Open Open with charging cylinder Open Open Open Open Works Shipping Air purging Installation Operation Pumping down Transfering Evacuation Servicing Gas charging Servicing Pressure check Servicing Gas releasing Servicing 1 2 3 4 5 6 Valve cap Open position Closed position Pin Service port Service port cap To outdoor unit ...

Page 47: ...exagonal 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 service port nut to a torque of 1 8kg cm 6 Set the 3 way valve to the back seat 7 Mount the valve stem nuts to the 2 way and 3 way valves 8 Check for gas leakage At this time especially check for gas leakage from the 2 way and 3 way valve s...

Page 48: ... 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 cm2 g 7 Immediately set the 3 way valve to the closed position Do this quickly so that the gauge ends up indicating 3 to 5kg cm2 g 8 Disconnect the charge set and mount...

Page 49: ... 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 cm2 g 6 Disconnect the charge set and the gas cylinder and set the 2 way and 3 way valves to the open position Be sure to use a hexagonal wrench to operate the valve stems 7 Mount th...

Page 50: ...and discharge the refrigerant until the gauge indicates 0 kg cm2 G If there is no air in the refrigerant cycle the pressure when the air conditioner is not running is higher than 1 kg cm2 G discharge the refrigerant until the gauge indicates 0 5 to 1 kg cm2 G if this is the case it will not be necessary to apply a evacuatin Discharge the refrigerant gradually if it is discharged too suddenly the r...

Page 51: ...r less 3 Close the valve Lo side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approxima tely 5 minutes 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 Lo Open Open Vacuum pump 2 Way valve Outdoor unit Liquid side Indoor unit Gas side...

Page 52: ...50g each time while operating the air conditioner in the cooling cycle however one time is not sufficient wait approximately 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 discharged If the system has been charged with liquid refrigerant while operating the air conditione...

Page 53: ...room air humidity When the room air humidity is relativery higher temperature difference is smaller When the room air humidity is relatively lower temperature difference is larger 2 Check temperature and pressure of refrigeration cycle Notice 1 The suction pressure is usually 4 5 6 0 kg cm2 G at normal condition 2 The temperature can be measured by attaching the thermometer to the low pressure tub...

Page 54: ... Is the trans output power about AC14V Is output voltage of IC2 DC12V Check the fuse check the wiring diagram Is output voltage of IC3 DC5V Is the reset circuit all right Exchange Main P C B ASM YES NO Check the main P C B patten NO Exchange IC2 NO Exchange IC 3 NO Check and exchange IC4 YES Exchange the trans Is shorted the trans output NO ...

Page 55: ...FAN Motor and Connector CN AC DC Check the SSR L M H YES Is the each SSR all right YES NO NO Adjust setting temp Does the temperature set all right NO Adjust setting temp Does the temperature set all right NO YES Check the FAN Motor and Connector Does the deice LED 4 light NO YES YES Exchange the IC8 Exchange the defect SSR ...

Page 56: ...d 7of CN DISP Is the connection of CN DISP all right NO NO NO Exchange the IC7 Check the step motor and Connector CN UP DOWN NO Check the P C B of DC12V pattern Exchange the battery Check the P C B pattern Connect CN DISP exactly Possible Trouble 3 Up Down Air direction louver does not operate Possible Trouble 4 Remotoe controller does not operate ƒ 56ƒ ...

Page 57: ...YES NO NO Does 4way operate Check Voltage of IC8 1pin DC 5V P C B pattern Check YES Check and Exchange IC8 RY 4WAY Check and Exchange IC8 Possible Trouble 5 Ineffective Heating ƒ 57ƒ ...

Page 58: ...Possible Trouble 6 It does not operate forced operation ƒ 58ƒ P C B pattern Check YES Is the F OP KEY OK NO Exchange the F OP KEY ...

Page 59: ...S1260HL LS S1420CL LS S1421CL 8 Display P C B ASM LS P0760CL P0760HL LS P0820CL LS P0960CL P0960HL PRE AMP CN3 1 P C B 6046AQ3015A ASM 6047AQ3014 LED1 DP LED2 S LED3 PS LED4 DI A B ƒ 62ƒ P C B 6046AQ3015A ASM 6047AQ3014 LD1 LD2 LD3 LD4 REMOCON RECIVER 1 CN MAIN 7 ...

Page 60: ...w Replacement Parts List 1 Indoor Unit LS S0960CL S0960HL LS S1120CL LS S1260CL S1260HL LS S1420CL LS S1421CL ƒ 67ƒ 10 26 28 34 29 27 31 32 33 35 19 22 18 20 21 15 14 24 23 25 30 11 12 9 8 3 5 6 7 4 1 2 13 17 16 36 ...

Page 61: ... LS P0760CL P0760HL LS P0820CL LS P0960CL P0960HL ƒ 68ƒ 25 24 26 22 20 21 23 9 12 11 8 7 6 4 2 1 5 3 16 15 14 17 18 19 27 13 10 29 30 32 28 31 ...

Page 62: ...D 1 1 1 1 16 6171AQ2147 POWER TRANS 1A 1A 1A 1A R 17 4H03048 PILLAR TERMINAL 1A 1A 1C 1C R 18 4H03048A PILLAR TERMINAL 1 1 1 1 R 19 6047AQ3014 DISPLAY PCB ASM 1A 1A 1A 1A R 20 6871AQ2157 MAIN PCB ASM D C 1B 1B 1A 1A R 21 6871AQ2156 MAIN PCB ASM A C 1B 1B 1A 1A R 22 3Q35099 THERMISTOR ASM 1E 1E 1A 1A R 23 3H03716A GEAR CASE ASM 1 1 1 1 R 24 2H01721E DRAIN HOSE ASM 1 1 1 1 25 1H00866 DISCHARGE GRILL...

Page 63: ...L BOARD 1 1 1 16 6171AQ2147 POWER TRANS 1A 1A 1A R 17 4H03048 PILLAR TERMINAL 1A 1A 1A R 18 4H03048A PILLAR TERMINAL 1 1 1 R 19 6047AQ3014 DISPLAY PCB ASM 1A 1A 1A R 20 6047AQ2157 MAIN PCB ASM D C 1B 1B 1B R 21 6047AQ2156 MAIN PCB ASM A C 1B 1B 1B R 22 3Q35099 THERMISTOR ASM 1E 1E 1E R 23 3H03716A GEAR CASE ASM 1 1 1 R 24 2H01721E DRAIN HOSE ASM 1 1 1 25 1H00866 DISCHARGE GRILLE ASM 1E 1E 1E 26 3H...

Page 64: ...1AR2360 1B 14 3H02255 POWER CORD ASS Y 1U 1S 1U 1U 1T R 15 4994AR1007A CONTROL BOARD 1 1 1 1 1 16 6171AQ2147 POWER TRANS 1B 1B 1B 1B 1B R 17 6047AQ3029 DISPLAY P C B ASS Y 1B 1B 1B 1B 1B R 18 6871AQ2155 MAIN P C B ASS Y 1B 1B 1B 1E 1A R 19 3Q35099 THERMISTOR ASM 1A 1A 1A 1A 1A R 20 2H01803B STEP MOTOR ASM 1 1 1 1 1 R 21 5250AR2044A DRAIN HOSE ASS Y 1 1 1 1 1 22 5991AR3142 VANE ASS Y 1A 1A 1A 1A 1A...

Page 65: ...2 Outdoor Unit 25 4 4 2 3 2 27 29 1 28 18 17 26 9 10 8 7 14 15 20 21 30 5 12 13 22 24 6 4 1 31 16 33 19 34 32 ƒ 72ƒ ...

Page 66: ...2H02479 SERVICE VALVE 1 4 1B 1B 1B 1B R 13 2H01890 SERVICE VALVE 1 2 1H 1H R 2A00393 SERVICE VALVE 3 8 1F 1F 14 6750 CL005A OVER LOAD PROTECTOR 1 R 6750 CL013A 1 1 1 15 5300 CL101A O L P SPRING 1 1 1 1 16 4781AR2098 CONTROL PANEL ASM 1D 1D 1A 1A 17 4H01017A CLAMP CAPACITOR 1 1 1 1 18 2A00986 SH CAPACITOR 1Q 1Q 1Q R 2HO1451 1P 19 4H03048 PILLAR TERMINAL 1A 1A 1A 1A R 20 3550 CL001 TERMINAL COVER 1D...

Page 67: ...L LS S1260CL 30 5210AR2047 TUBE DISCHARGE 1A 1A 5210AR2075 1A 5210AR3419 1A 31 5210AR2048 TUBE SUCTION 1C 2HO2445 1A 5210AR3293 1A 5219AR3418 1A 32 2H02385D COVER GRILLE 1 1 1 1 33 3H00390 TERMINAL BLOCK 1B 1B 1B 1B NO PART NO PART NAME REMARKS ...

Page 68: ...ASHER 3F 3D 3D 3D 12 2H01225H SERVICE VALVE 1 4 1 1 1 R 2H02479 1B 13 2H01890F SERVICE VALVE 1 2 1 1 1 R 2A00393F SERVICE VALVE 3 8 1 14 6750 CL002A OVER LOAD PROTECTOR 1 R 6750 CL007A 1 1 6750 CL008A 1 15 5300 CL101A O L P SPRING 1 1 1 1 16 4781AR2098 CONTROL PANEL ASM 1C 1B 1B 1B 17 4H01017A CLAMP CAPACITOR 1 1 1 1 18 2A00986 SH CAPACITOR 1J 1J 1J R 2H01451 1N 19 4H03048 PILLAR TERMINAL 1A 1A 1A...

Page 69: ...L LS S1421CL 29 3H03168A HANDLE 1 1 1 1 30 5210AR2075A TUBE DISCHARGE 1 1 2H02444A 1 5210AR2047A 1 31 2H02445A TUBE SUCTION 1 1 1 5210AR2048A 1 32 2H02385D COVER GRILLE 1 1 1 1 33 3H00390 TERMINAL BLOCK 1B 1B 1B 1B NO PART NO PART NAME REMARKS ...

Page 70: ... 4H01811C 3 12 2H02379 SERVICE VALVE 1 4 1B 1B 1B 1B R 13 2H01890 SERVICE VALVE 1 2 1H 1H R 2A00393 SERVICE VALVE 3 8 1F 1F 14 6750 CL005A OVER LOAD PROTECTOR 1 R 6750 CL013A 1 1 1 15 5300 CL101A O L P SPRING 1 1 1 1 16 4995AR2361 CONTROL PANEL ASM 1H 1A 1A 1A 17 4H01017A CLAMP CAPACITOR 1 1 1 1 18 2A00986 SH CAPACITOR 1Q R 2H01451 1P 1P 1P 19 4H03048 PILLAR TERMINAL 1A 1A 1F 1F R 20 3550 CL001A T...

Page 71: ... 5210AR3117 1A 5210AR2135 1A 5210AR2018 1B 31 5210AR2074 TUBE SUCTION 1A 5210AR3120 1B 5210AR2136 1A 5210AR2019 1B 32 2H02385D COVER GRILLE 1 1 1 1 33 3H00390 TERMINAL BLOCK 2A 2A 2A 2A 34 3A02028G COIL REVERSING 1 1 1 1 R 5220AR3084A VALVE REVERSING 1 1 1 1 NO PART NO PART NAME REMARKS ...

Page 72: ...P NO 3828AR3221X Printed in Korea ...

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