LG - Service Manual Download Page 76

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Parts List (Cooling Indoor)

430410

BASE ASSY, WELD[OUTDOOR]

3041AR2415K 3041AR2415K 3041AR2415K 3041AR2415K 3041AR2415K 3041AR2415K

435511

COVER ASSY, CONTROL(OUTDOOR)

4994AR3492B 4994AR3492B 4994AR3492B 4994AR3492B 4994AR3492B 4994AR3492B

437210

GRILLE ASSY, FRONT(OUTDOOR)

3531A20051F 3531AR2512S 3531AR2512R 3531AR2512M 3531AR2512W 3531AR2512M

437212

PANEL ASSY, REAR(OUTDOOR)

3530AR0058C 3530AR0058C 3530AR0058B 3530AR0058B 3530AR0058B 3530AR0058B

546810

MOTOR ASSEMBLY, OUTDOOR

4681A20004E 4681A20004E 4681A20004G 4681A20004F 4681A20004F 4681A20004F

550140

ISOLATOR, COMP

4H00982E

4830AR4335A

552102

TUBE, CAPILLARY BEND

5210A30151B 5210A30151B 5424AR3582D 5424AR3582B 5424AR3582B 5424AR3582B

552111

TUBE ASSY, CAPILLARY

5211A30082C 5211A30082C 5211A30082D 5211A30275A 5211A30275A 5211A30275C

552203-2 VALVE, SERVICE

2A00393M

2A00393U

552203-3 VALVE, SERVICE

2H02479F

2H02479B

2H02479F

554031

CONDENSER ASSY, BENT

5403AR2870D 5403AR2870D 5403AR2475B 5403AR2870F 5403AR2870F 5403AR2870F

554160

COMPRESSOR SET

2520UDLP2BA 2520UDLP2BA 5416A20013J 5417AR2760S 5417AR2760S 5416A20013L

559010

FAN ASSEMBLY, PROPELLER

5900AR1266A 5900AR1266A 5900AR1266A 5900AR1266A 5900AR1266A 5900AR1266A

567502

O.L.P

6750U-L014A 6750U-L014A 6750A30001D 6750U-L002A

6750U-L002A

649950

CONTROL BOX ASSY, OUTDOOR

4995AR2566C 4995AR2566C 4995AR2566E 4995AR2566D 4995AR2566D 4995AR2566F

W0CZZ

CAPACITOR, DRAWING

2A00986Q

6120AR2194G

2H01451T

3890A20610E

NO.

DESCRIPTION

PART NO.

REMARKS

LS-J0761CM

LS-J0761CN

LS-J0821CM LS-J0962CM

LS-J0962CN

LS-J0963CM

Summary of Contents for -

Page 1: ...L LS J0820HL LS J0821CL CM LS J0822AL LS J0962CL CM CN LS J0962HL HM HN EL LS J0963CL CM CN AL DL LS J0964CL GL DL HL HM EL website http biz LGservice com e mail http www LGEservice com techsup html CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ONLY FOR AUTHORIZED SERVICE PERSONNEL ...

Page 2: ...n Details 13 Display Function 20 Self diagnosis Function 20 Installation 21 Operation 37 Disassembly of the parts Indoor Unit 39 2 way 3 way Valve 45 Cycle Troubleshooting Guide 52 Electronic Parts Troubleshooting Guide 53 Electronic Control Device 60 Schematic Diagram 62 Exploded View and Replacement Parts List 64 2 ...

Page 3: ...4 5 6 7 hours The fan is switched to intermittent or irregular operation The fan speed is automatically switched from high to low speed 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 Control Ope...

Page 4: ...oling Operation Mode Heating Operation Mode Auto Operation Mode Fan Operation Mode Horizontal Airflow Direction Control Button Option Room Temperature Display Setting the Time or Timer PLASMA Option NEGATIVE ION Option ON OFF SET PLASMA CANCEL Fan Speed Selection Low Med High CHAOS High 39 C Low 11 C OFF ON OFF ON Cancel Sleep Mode Timer ON or Timer OFF 1 2 3 4 5 6 7 Off Timer Fan Operates without...

Page 5: ...8 Indoor 5 5 7 5 5 7 Outdoor 14 14 5 14 14 5 Indoor 802 x 262 x 165 Outdoor 564 x 525 x 265 Indoor 7 Outdoor 20 25 23 23 Refrigerant R22 g 440 470 590 530 Airflow Direction Control Up Down O O O O Remocon Type L C D Wireless Liquid inch mm 1 4 6 35 Gas 3 8 9 52 Sleeping Operation O O O O Drain Hose O O O O Connecting Cable 1 0mm2 Power Cord 1 0mm2 Air Circulation Noise Level m3 min dB A 3 Service ...

Page 6: ...5 25 32 32 32 33 46 46 47 46 750 750 780 900 680 680 780 870 3 3 3 3 3 4 3 9 3 0 3 0 3 4 3 8 9 33 9 3 10 3 10 0 3 14 3 15 3 0 3 13 5 0 5 0 6 0 5 7 14 14 13 6 14 5 802 x 262 x 165 564 x 525 x 265 564 x 525 x 265 564 x 525 x 265 770 x 540 x 245 7 0 7 0 7 0 7 0 21 24 25 33 640 640 660 590 O O O O L C D Wireless 1 4 6 35 3 8 9 52 O O O O O O O O 1 0mm2 1 0mm2 Air Circulation Noise Level Input m3 min d...

Page 7: ...Dimensions 1 Indoor Unit 7 Tubing hole cover D H W Installation plate Right rear piping Left rear piping ø70mm ø70mm 80mm 50mm 40mm 40mm 7K Btu 8K Btu 9K Btu MODEL Unit mm mm mm 802 262 165 DIM W H D ...

Page 8: ...Outdoor Unit W L2 L3 L1 D H L4 L5 Gas side 3 way valve Liquid side 2 way valve MODEL DIM unit W mm 564 H mm 525 D mm 265 L1 mm 294 L2 mm 66 L3 mm 374 L4 mm 17 L5 mm 270 7K Btu 8K Btu 9K Btu Cooling Only 8 ...

Page 9: ...3 Outdoor Unit 9K Btu Heat Pump W L2 L3 L1 D H L4 L5 Gas side 3 way valve Liquid side 2 way valve MODEL 9K Btu Heat Pump DIM unit W mm 770 H mm 540 D mm 245 L1 mm 285 L2 mm 65 L3 mm 518 L4 mm 10 L5 mm 100 ...

Page 10: ... inch Liquid inch m m 3 8 1 4 15 7 INDOOR UNIT OUTDOOR UNIT HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR ACCUMU LATOR GAS SIDE 3 WAY VALVE LIQUID SIDE 2 WAY VALVE CAPILLARY TUBE CHECK VALVE Heating Model only COOLING HEATING REVERSING VALVE Heating Model Only 7K 8K 9K Btu SERIES ...

Page 11: ...SH CAPA BL RIBBED BR PLAIN GN YL BR YL OR BK CN TAB1 CN MOTOR CN TAB2 RY COMP ZNR OPTION OPTION THERMISTOR FORCED OPERATION AUTO RESTART REMOTE CONTROL MOTOR MAIN PCB ASM DISPLAY PCB ASM POWER TO OUTDOOR UNIT PILLAR TERMINAL BR BL GN YL BR BL GN YL 1 L 2 N 3 4 BL RD BK BK BK BK BK BK CN U D STEP MOTOR Indoor Unit Outdoor Unit 1 7K 8K 9K Btu Cooling Only Indoor unit Model Outdoor unit LS J0761CL DL...

Page 12: ...PACITOR 1 L 2 N 3 4 RD RD 3854A20080M CN DISP1 FUSE AC250V T2A CN TH1 TRIAC SH CAPA BG PR VD AM MR AM LJ PR CN TAB1 CN MOTOR CN TAB2 CN 4WAY RY COMP RY 4WAY RY FAN ZNR THERMISTOR MOTOR MAIN PCB ASM DISPLAY PCB ASM MR AZ PR VM VD AM MR AZ PR VM VD AM 1 L 2 N 3 4 3 4 AZ MR CN U D STEP MOTOR OPTIONAL ON OFF S W OPTIONAL PR PR PR PR H V B A CL VM PR PR OPTIONAL ENTRADA DE AC PARA UNIDADE EXTERNA TERMI...

Page 13: ...r On while in timer mode on off off when timer mode is completed or canceled Defrost Indicator Off except when hot start during heating mode operation or while in defrost control Cooling Mode Operation When the intake air temperature reaches 0 5 C below the setting temp the compressor and the outdoor fan stop When it reaches 0 5 C above the setting temp they start to operate again Compressor ON Te...

Page 14: ...ned on off according to the indoor pipe temp While in defrost control both of the indoor and outdoor fans are turned off Defrost Control While in heating mode operation in order to protect the evaporator pipe of the outdoor unit from freezing reversed to cooling cycle to defrost the evaporator pipe of the outdoor unit Defrost control is available 60 min later since heating mode operation started a...

Page 15: ...oor fan is operated for 15 seconds Then an operation mode is selected according to the intake air temp at that moment as follows 24 C Inatake Air Temp Fuzzy Operation for Cooling 21 C Inatake Air Temp 24 C Fuzzy Operation for Dehumidification Inatake Air Temp 21 C Fuzzy Operation for Heating If any of the operation modes among cooling dehumidification heating mode operations is carried out for 10 ...

Page 16: ...d by Fuzzy rule when the intake air temp is 3 C or more above the setting temp the compressor is turned off When below the setting temp the compressor is turned on Compressor ON Temp Setting Temp Compressor OFF Temp Setting Temp 3 C At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 20 C Intake Air Temp Intake Ai...

Page 17: ... cannot be input While in cooling mode operation 30 min later since the start of the sleep timer the setting temperature increases by 1 C After another 30 min elapse it increases by 1 C again When the sleep timer mode is input while in cooling cycle mode the airflow speed of the indoor fan is set to the low When the sleep timer mode is input while in heating cycle mode the airflow speed of the ind...

Page 18: ...n the memory and the appliance automatically operates in the mode on the memory The slide switch on the main unit of the appliance should be on the Auto Restarting position in order that the Auto Restarting operation is available Operation Mode that is kept on the memory State of Operation ON OFF Operation Mode Setting Temp Selected Airflow Speed Sleep Timer Mode Remaining Time of Sleep Timer unit...

Page 19: ...ted by the slide switch on the main unit the appliance operates according to the input by the remote control Protection of the evaporator pipe from frosting If the indoor pipe temp is below 0 C in 7 min after the compressor operates without any pause while in cool ing cycle operation mode the compressor and the outdoor fan are turned off in order to protect the indoor evaporator pipe from frosting...

Page 20: ...temperature sensor is open or is shorted the error is indicated To indicate the error the operation LED or the cooling LED flashed at 3 sec interval When the error is cleared the LED stops flashing the operation or cooling LED is on While in appliance pause the error is not indicated Operation Indicator Timer Indicator Sleep Timer Indicator Defrost Indicator 20 Operation Indicator Timer Indicator ...

Page 21: ...btained A place where noise prevention is taken into con sideration 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 radiation from the condenser is not restricted There should not be any animals or plants which could be ...

Page 22: ... if mounting the unit on the concrete wall consider using anchor bolts Always mount the Installation plate horizontally by aligning the marking off line by means of the thread and a level 2 Drill the piping hole with 70mm dia holecore 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 cen ter of the...

Page 23: ...utdoor unit onto the copper pipes When the flare nuts are removed from the indoor unit Some gas may leak 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 1 0mm higher See illustration Flare the pipe ends 4 Tape the flaring portion to protect it from the dust or damages 90 Slanted Rough Pipe cutter Pipe Reamer Point dow...

Page 24: ...ssis and pull the installation plate out of chas sis 2 Route the drain hose and the indoor tubing For right rear piping 3 Insert the piping the connecting cables and the drain pipe through the piping hole on the wall 4 Connect the piping and the indoor tubing and drain hose and drain pipe Don t connect the cable to the indoor unit Wrap the insulation material around the connect ing portion Glue up...

Page 25: ...e with tape 7 Indoor unit installation Hook the indoor unit onto the upper portion of the installation plate Engage the two hooks of the rear top of the indoor 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 piping drain hose and cables as the feature 7 page for inserti...

Page 26: ...rain pipe and connecting piping through the piping hole on the wall 4 Connect the piping and the indoor tubing and drain hose and drain pipe and place the drain pipe into the chassis Don t connect the cable to the indoor unit Make a small loop for easy connection later Glue up the connection portion of drain hose and drain pipe 5 Bend the drain hose and bind the drain hose the piping and the conne...

Page 27: ...7 Wrap the tubing the drain hose and the connect ing cable with tape 8 Indoor unit installation Hook the indoor unit onto the upper portion of installation plate Engage the two hooks of the rear top of the indoor unit with the upper edge of the installation plate Ensure the hooks are properly seated on the installation plate by moving it left and right CAUTION Take care to arrange the piping drain...

Page 28: ...come loose from vibrations to which the unit is subjected during the course of transportation Check them and make sure that they are all tightly fastened If they are loose it could give rise to burn out of the wires 4 Specification of power source 5 Confirm that electrical capacity is sufficient 6 See to it that the starting voltage is maintained at more than 90 percent of the rated voltage marked...

Page 29: ...nals on the outdoor unit Terminals on the indoor unit Terminals on the indoor unit 1 L 1 L 1 L 2 N 2 N 2 N 3 4 3 4 2 N BROWN BLUE G Y BLACK RED BROWN BLUE G Y RED BROWN BROWN BLUE BLACK BLACK G Y RED RED G Y BLUE BROWN BLUE GREEN YELLOW BROWN BLUE GREEN YELLOW 1 Cooling only type 2 Cooling Heating type The power cord connected to the indoor unit should be complied with the following specifications...

Page 30: ... 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 Two tabs on the top inside edge of chassis are clear of their slots 2 Check the drainage Pour a glass of water on the evaporator Ensure if water flows drain hose of indoor unit without any leakage 4 Checking the Drainage and Connecting the cable to Indoo...

Page 31: ...nd engage two tabs on the top inside edge of the grille with two slots on the cabinet s top front edge Press the Grille toward to the cabinet until it will be back into place 1 L Terminals on the outdoor unit Terminals on the outdoor unit Terminals on the indoor unit Terminals on the indoor unit 1 L 1 L 1 L 2 N 2 N 2 N 3 4 3 4 2 N BROWN BLUE G Y BLACK RED BROWN BLUE G Y RED BROWN BROWN BLUE BLACK ...

Page 32: ...t dip it into water and fix it on the wall to avoid swinging in the wind 2 Tape the Piping drain hose and Connecting Cable from down to up 3 Form the piping 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 p...

Page 33: ... minute 7 Set both liquid and gas side valves to open position with the Hexagonal wrench for the unit operation 5 Air Purging of the Piping and Indoor Unit 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 34: ...that of measured at first time Liquid side Gas side CLOSE CLOSE Indoor unit Outdoor unit Closed Closed 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 possi...

Page 35: ...is based on standard length and maximum allowance length is the basis of reliability Oil trap should be installed per 5 7 meters Numerical value in is for Rotary Comp model CAUTION In case more than 5m Max Piping Length m Capacity Btu h 7 12K 15 7 5 20 Max Elevation m Standard Length m Additional Refrig erant g m ...

Page 36: ...the temperature of the intake and dis charge air 2 Ensure the difference between the intake tem perature and the discharge one is more than 8 C Cooling or reversely Heating 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 con...

Page 37: ...stopping operation TIME SETTING BUTTONS Used to adjust the time TIMER SET CANCEL BUTTONS Used to set the timer when the desired time is obtained and to cancel the Timer operation SLEEP MODE AUTO BUTTON Used to set Sleep Mode Auto operation AIR CIRCULATION BUTTON Used to circulate the room air without cooling or heating turns indoor fan on off ROOM TEMPERATURE CHECKING BUTTON Used to check the room...

Page 38: ...TIME SETTING BUTTONS Used to adjust the time TIMER SET CANCEL BUTTONS Used to set the timer when the desired time is obtained and to cancel the Timer operation SLEEP MODE AUTO BUTTON Used to set Sleep Mode Auto operation AIR CIRCULATION BUTTON Used to circulate the room air without cooling or heating turns indoor fan on off ROOM TEMPERATURE CHECKING BUTTON Used to check the room temperature PLASMA...

Page 39: ... to open position horizontally by finger pressure Remove the securing screws 9K Btu models 2EA 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 Power Conductor Step Motor Conductor Earth Conductor Motor Con...

Page 40: ...ng the right side of the discharge grille downward slightly unhook the discharge grille Pull the discharge grille out from the chassis carefully Unhook the left side of the discharge grille and pull the discharge grille out from the chassis carefully 4 To remove the Evaporator Remove 3 screws securing the evaporator at the left 2EA in the Eva Holder at the right 1EA 40 ...

Page 41: ...s 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 Lift up the right side of the cross flow fan and the fan motor separate the fan motor from the cross flow fan Remove the left end of the cross flow fan from the self aligning bearing 41 LS J series ...

Page 42: ...of the grille toward you slightly tilted and lift it straight upward To remove the Grille from the Chassis Remove the cover control from the grille Separate the black lead wire from the white connector Remove screws secured 3 EA Pull the grille out from the chassis carefully 1 To remove the sensor housing connect earth conductor step motor conductor with sensor holder Motor Evaporator P C B LS J09...

Page 43: ... 3 To remove the Discharge Grille Remove the securing screw Pressing the right side of the discharge grille downward slightly unhook the discharge grille Pull the discharge grille out from the chassis carefully 4 To remove the Evaporator Remove 3 screws securing the evaporator at the left 1EA at the right 2EA ...

Page 44: ...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 Lift up the right side of the cross flow fan and the fan motor separate the fan motor from the cross flow fan Remove the left end of the cross flow fan from the self aligning bearing ...

Page 45: ... 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 Flare nut To piping connect...

Page 46: ...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 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 ...

Page 47: ...e 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 moun...

Page 48: ...t 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 t...

Page 49: ...t 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...

Page 50: ...or 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 sid...

Page 51: ...150g 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 condition...

Page 52: ...m 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 Cooling at normal condition 2 The temperature can be measured by attaching the thermometer to the low pressur...

Page 53: ...ion housing for contacting Connector related to CN POWER Connector related to CN MOTOR Connector contacting of Outdoor Fan Compressor Display PWB Ass y Check Check each load Indoor Outdoor Fan Motor Compressor Stepping Motor and contacting condition of related connector PCB Board Operation Check Items Power Transformer Outdoor unit Input Voltage Output Voltage IC01D 7812 Output Indoor Outdoor unit...

Page 54: ...battery Check the contact of CN DISP1 connector When the compressor stopped Indoor Fan is driven by a low speed At this point the wind speed is not controlled by the remote controller When operated in the Sleeping Mode the wind speed is set to the low speed by force Check DISP PWB Ass y Voltage between CN DISP1 DC 5V Check the connecting circuit between the remote controller MICOM No R17 2Ω IR LED...

Page 55: ...Check the related circuit of R02H 12 1K R01H 1 0K R04H 6 2K R03H 1 0K Micom No 3 4 Indoor unit Check the indoor temperature sensor is disconnected or not About 10kΩ at 25 C Turn off Main Power Check the electrical wiring diagram of outdoor side Check the abnormal condition for the component of Compressor Outdoor Fan Motor Check the open or short of conmecting wires between indoor and outdoor Check...

Page 56: ...circuit of indoor Fan Motor The pin NO 63 of Micom and the part for driving TRIAC the input and output signal of IC01M PIN NO 2 15 Check the pattern Check the TRIAC TRIAC Open Indoor Fan Motor never operate TRIAC short Indoor Fan Motor always operates in case of ON or OFF 4 When indoor Fan does not operate The voltage of PIN NO 1 blue and 3 yellow of CN MOTOR About AC 180V over About AC 50V over T...

Page 57: ...N U D Connector If there are no problems after above checks Confirm the assembly conditions that are catching and interfering parts in the rotation radial of the Vertical Louver 5 When Vertical Louver does not operate Check the operating circuit of the Vertical Louver Confirm that there is DC 12V between pin RED of CN U D and GND Confirm that there is a soldering short at following terminals Betwe...

Page 58: ...emperature is disconnected or not about 10KΩ at 25 C Check the indoor pipe temperature is disconnected or not about 5KΩ at 25 C Turn ON Main Power Check the DC voltage on the PWB ASS Y The details of check are as followings Check point Between Micom NO 62 and GND Between IC01M NO 14 and GND Comp ON DC 5V Below DC 1V Comp OFF DC 0V About DC 12V Check point Between Micom NO 54 and GND Between IC02M ...

Page 59: ...in Power Check the electrical wiring diagram of outdoor side Check the abnormal condition for the component of Compressor Outdoor Fan Motor 4 way Check the open or short of connecting wires between indoor and outdoor ...

Page 60: ... 60 Electronic Control Device 1 MAIN P W B ASSEMBLY 2 MAIN P W B ASSEMBLY ...

Page 61: ... 61 3 DISPLAY ASSEMBLY ...

Page 62: ...Schematic Diagram 62 Heat Pump Series ...

Page 63: ...K R02F R04F 20K 220 IC01G KID65004AF 9 10 12 11 8 6 7 5 TRIAC G TRIAC T2 5 5 LED1 LED2 LED3 LED4 7 7 5 4 5 4 6 6 PK RD OR YL 4 4 3 2 3 2 1 1 220 10V C02L 5V CN U D BL 15 14 16 3 2 1 HVB IC01J TLP762JF 680 1 2W R03J 12V R04J 560 12V OR3H 2 4 3 BR93LC46 W 8PIN DIP BK 6 EEPROM Vss ORG 5 Q D Vcc DU 5V 8 7 S C 1 5V Vdd0 Vss0 5V OR5H OR6H OR4H A V 1 d d s s A V RESET AVdd AVref X1 Vss1 INT0 INT1 X2 LEFT...

Page 64: ...xploded View and Replacement Parts List 1 Indoor Unit 354210 733010 131410 135314 152313 135312 342800 263230 W0CZZ 359011 352150 146811 268714 264110 147581 152302 346810 268712 135311 267110 249951 35211B ...

Page 65: ...9F 4995A20024G 4995A20149A R 263230 THERMISTOR ASSEMBLY 6323A20003B R 264110 POWER CORD ASSEMBLY 6411A20006B R 266090 H V ASSEMBLY 6609A10003D 6609A10003D R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20010A 6711A20010E 6711A20010A 6711A20010E R 268712 PWB PCB ASSEMBLY DISPLAY 6871A30009C 6871A30009P R 268714 PWB PCB ASSEMBLY MAIN 6871A10009F 6871A10009S 6871A10009F 6871A10009V R 342800 BEARING 3H02821...

Page 66: ...A 5990AR7225D R 249951 CONTROL BOX ASSEMBLY INDOOR 4995A20015L 4995A20015Z 4995A20015Q R 263230 THERMISTOR ASSEMBLY 6323A20003A R 264110 POWER CORD ASSEMBLY 6411A20006B R 266090 H V ASSEMBLY 6609A10003D R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20010B 6711A20012Y 6711A20012S 6711A20010F R 268712 PWB PCB ASSEMBLY DISPLAY 6871A30009C 6871A30009P 6871A30009C 6871A30009P R 268714 PWB PCB ASSEMBLY MAIN ...

Page 67: ...A20024K 4995A20024H 4995A20024T 4995A20153G R 263230 THERMISTOR ASSEMBLY 6323A20003B R 264110 POWER CORD ASSEMBLY 6411A20006B 6411A20006E 6411A20006B 6411A20006G R 266090 H V ASSEMBLY 6609A10003D R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20010A 6711A20039Y 6711A20010E R 268712 PWB PCB ASSEMBLY DISPLAY 6871A30009C 6871A30009P 6871A30009C 6871A30009P 6871A30009C R 268714 PWB PCB ASSEMBLY MAIN 6871A10...

Page 68: ... 6323A20003B R 264110 POWER CORD ASSEMBLY 6411A20006B 6411A20006D 6411A20006B 6411A20006B R 266090 H V ASSEMBLY 6609A10003D R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20010E 6711A20010A 6711A20011V R 268712 PWB PCB ASSEMBLY DISPLAY 6871A30009P 6871A30009C R 268714 PWB PCB ASSEMBLY MAIN 6871A10009V 6871A10009L R 342800 BEARING 3H02821B R 346810 MOTOR ASSEMBLY INDOOR 4681A20003C R 35211BTUBE ASSEMBLY ...

Page 69: ...230 THERMISTOR ASSEMBLY 6323A20003A R 264110 POWER CORD ASSEMBLY 6411A20006N 6411A20006B 6411AR3285B R 266090 H V ASSEMBLY 6609A10003D R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20028B 6711A20010F 6711A20010B R 268712 PWB PCB ASSEMBLY DISPLAY 6871A30009P 6871A30009C 6871A30009P 6871A30009C R 268714 PWB PCB ASSEMBLY MAIN 6871A10009E 6871A10009W 6871A10009E 6871A10009U R 342800 BEARING 3H02821B R 3468...

Page 70: ...411A20006B 6411A20006B 6411A20006B 6411A20006B R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20011Y 6711A20011Z 6711A20010A 6711A20011Y 6711A20011Z 6711A20011Y R 268712 PWB PCB ASSEMBLY DISPLAY 6871A30009P 6871A30009C 6871A30009P 6871A30009P 6871A30009C 6871A30009P R 268714 PWB PCB ASSEMBLY MAIN 6871A10009F 6871A10009F 6871A10009H 6871A10009L 6871A10009L 6871A10009L R 342800 BEARING 3H02821B 3H02821B 3...

Page 71: ...A20003A 6323A20003A 6323A20003A R 264110 POWER CORD ASSEMBLY 6411A20006B 6411A20006B 6411A20006B R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20012Y 6711A20012Z 6711A20026L R 268712 PWB PCB ASSEMBLY DISPLAY 6871A30009P 6871A30009C 6871A30009C R 268714 PWB PCB ASSEMBLY MAIN 6871A10026H 6871A10026H 6871A10009E R 342800 BEARING 3H02821B 3H02821B 3H02821B R 346810 MOTOR ASSEMBLY INDOOR 4681A20003C 4681A20...

Page 72: ... 72 2 Outdoor unit 437210 559010 437212 435511 546810 430410 554031 567502 554160 550140 649950 552203 1 552203 2 W0CZZ 1 552116 552202 561410 552111 ...

Page 73: ... 73 3 Outdoor unit 9K Btu Heat Pump 437210 546810 430410 552203 2 552203 1 554031 649950 552116 W0CZZ 437212 435511 559010 447910 567502 554160 552202 561410 550140 552102 1 552102 2 5522201 552111 ...

Page 74: ...2 TUBE CAPILLARY BEND 5210A30151B 5424AR3582B R 552111 TUBE ASSEMBLY CAPILLARY 5211A30082C 5211A30275A R 552203 1 VALVE SERVICE 2H02479F R 552203 2 VALVE SERVICE 2A00393M 2A00393U R 554031 CONDENSER ASSEMBLY BENT 5403AR2870D 5403AR2870K 5403AR2870M R 554160 COMPRESSOR SET 2520UDLP2BA 5416A20013L R 559010 FAN ASSEMBLY PROPELLER 5900AR1266A R 567502 O L P 6750U L014A R 649950 CONTROL BOX ASSEMBLY OU...

Page 75: ...R 552203 1 VALVE SERVICE 2H02479F 2H02479B 2H02479F 2A00393U 2H02479F R 552203 2 VALVE SERVICE 2A00393U 2A00393M 2A00393U 5211A30275A 2A00393V R 554031 CONDENSERASSEMBLY BENT 5403AR2870F 5403AR2870M 5403AR2870F 5403AR2475B 5403AR2475N 5403AR2870F R 554160 COMPRESSOR 5417AR2760S 5416A20013L 5416A20013J 5416A20013L R 559010 FANASSEMBLY PROPELLER 5900AR1266A R 567502 O L P 6750U L002A 6750A30001D R 6...

Page 76: ...R3582B R 552111 TUBE ASSY CAPILLARY 5211A30082C 5211A30082C 5211A30082D 5211A30275A 5211A30275A 5211A30275C R 552203 2 VALVE SERVICE 2A00393M 2A00393M 2A00393M 2A00393U 2A00393U 2A00393U R 552203 3 VALVE SERVICE 2H02479F 2H02479F 2H02479B 2H02479F 2H02479F 2H02479F R 554031 CONDENSER ASSY BENT 5403AR2870D 5403AR2870D 5403AR2475B 5403AR2870F 5403AR2870F 5403AR2870F R 554160 COMPRESSOR SET 2520UDLP2...

Page 77: ...Y 5211A30096A 5211A30082E 5211A30082F R 552116 TUBE ASSEMBLY REVERSING 5211A30095B 5211A30095C R 552201 VALVE CHECK 3H01552C 3H01552F R 552202 VALVE REVERSING 5220AR3084A R 552203 1 VALVE SERVICE 2A00393M 2H02479B R 552203 2 VALVE SERVICE 2H02479C 2A00393M R 554031 CONDENSER ASSEMBLY BENT 5403AR2475F 5403AR2475L 5403AR2475Q R 554160 COMPRESSOR SET 5416A20004D 2520UKAP2BA 2520UKYG2AA R 559010 FAN A...

Page 78: ...HECK R 552202 VALVE REVERSING R 552203 1 VALVE SERVICE R 552203 2 VALVE SERVICE R 554031 CONDENSER ASSEMBLY BENT R 554160 COMPRESSOR R 559010 FAN ASSEMBLY PROPELLER R 561410 COIL ASSEMBLY REVERSING VALVE R 649950 CONTROL BOX ASSEMBLY OUTDOOR R W0CZZ CAPACITOR DRAWING R NO DESCRIPTION PART NO REMARKS LS J0962EL LS J0964EL LS J0964HL LS J0964HM LS J0962HL LS J0962HM 3041A20008K 3551A30023E 3721A2002...

Page 79: ... 5211A30096A 5211A20117A R 552116 TUBE ASSEMBLY REVERSING 5211A30095B 5211A30095B 5211A20116A R 552201 VALVE CHECK 3H01552C 3H01552C 3H01552F R 552202 VALVE REVERSING 5220AR3084A 5220AR3084A 5220AR3084A R 552203 VALVE SERVICE 2A00393M 2A00393M 2H02479H R 552203 VALVE SERVICE 2H02479C 2H02479C 2A00393U R 554031 CONDENSER ASSEMBLY BENT 5403AR2475F 5403AR2475F 5403A20028B R 554160 COMPRESSOR 5416A200...

Page 80: ...P No 3828A30033B January 2002 Printed in Korea ...

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