LG L3-C363LA0 Service Manual Download

Page: 17 / 66

Service Manual 17

Schematic Diagram

Schematic Diagram

Indoor Unit

PKM13EPP-4002

OSC01B

3.6V

CST-8.00MTW

R21H~R25H

50V

R11H~R14H

R02F

12.1K

C06D

103

AUTO RESTART

REMOTE CONTROL

FORCED OPERATION

SWITCH

LIMIT

CN-SW

COM

Option

SW01F

6.2K

R06F

R04F

6.2K

470uF

25V

C05D

DC5V

7805

1N4148

D99

IC02D

470uF

25V

C03D

104

50V

C04D

DC12V

7812

IC01D

ST93C46CB6

R13H

R12H

20K

R11H

OJ2H

OJ1H

OJ3H

R14H

93C46B

EEPROM

Vss

ORG

Vcc

OJ4H

10K

50V

C02D

104

680uF

25V

C01D

10K

R97

KA393

IC9-1

OR2H

OR5H

DC 5V

R96

20K

OR3H~0R5H

OR4H

OR3H

DC12V

10K

OR1H

56K

R95

10K

R21H

R24H

R25H

12.1K

Operation

RECEIVER

Vcc

GND

Vout

Sleep

CMP

Timer

220 10V

C02L

LED2

LED1

LED4

LED3

CN-DISP

receiver

R01G~R04G

220

STEPPING MOTOR

(UP/DOWN)

CN-U/D

104

C02D

33
34

KID65004AF

IC01G

KID65004AF

HVB OUT

IC01M

21
61
62

R01B,1M

R01T~R05T

6
7

220

0.01

R22H

R23H

25V

10V

R02A,20K

C01A

C02A

KID65004AF

15
60

49
58

IC02M

R02L,1K

C01L 680pF

R81 1K

R02B,10K

50V

C81

103

receiver

R02E,20

R01E

5.1K

R01L

BZ01E

STEPPING MOTOR

(LEFT/RIGHT)

CN-L/R

Option

PIPE-TH

DC12V

CN-MOTOR

INDOOR

FAN

MOTOR

DC 5V

CN-DC/DC

104,50V

C07D

RXE250

POLY SW

100uF

63V

C92

1/4W

750

R99

HVB OUT

KSC7536

IC01A

KIA7036P

C91

103

6.2K

R04H

KA393

IC9-2

R90 1K

R93 10K

DC 5V

R92 10K

R91

4.7K

CN-TH1

12.1K

R02H

CN-TH2

6.2k

R26H

PIPE-TH

ROOM-TH

12V

CN-HVB

Option

HVB OUT

Summary of Contents for L3-C363LA0

Page 1: ...N website http www lgservice com e mail http www lgeservice com techsup html BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ONLY FOR AUTHORIZED SERVICE PERSONNEL MODEL L3 C363LA0 L3 C363MA0 L3 C363NA0 L3 H363LA0 L3 H363MA0 L3 H363NA0 ...

Page 2: ... 8 Dimensions 10 Refrigeration Cycle Diagram 12 Wiring Diagram 13 Electronic Control Device 14 Schematic Diagram 17 Functions 20 Operation Details 23 2 way 3 way Valve 30 Cycle Troubleshooting Guide 34 Electronic Parts Troubleshooting Guide 42 Operation 56 Disassembly of the parts Indoor unit 58 Exploded View and Replacement Parts List 60 ...

Page 3: ...on Be sure not to do Be sure to follow the instruction Do not use a defective or underrated circuit breaker Use this appliance on a dedi cated circuit There is risk of fire or electric shock Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open Moisture may condense and wet or damage furniture Always ground the product There is risk o...

Page 4: ...zed Service Center There is risk of fire electric shock explosion or injury Do not install the product on a defective installation stand It may cause injury accident or dam age to the product Be sure the installation area does not deteriorate with age If the base collapses the air condition er could fall with it causing property damage product failure and personal injury Do not touch operate the p...

Page 5: ... shock or product fail ure Be cautious that water could not enter the product There is risk of fire electric shock or product damage Do not store or use flammable gas or com bustibles near the product There is risk of fire or failure of product If strange sounds or smell or smoke comes from product Turn the breaker off or discon nect the power supply cable There is risk of electric shock or fire G...

Page 6: ...tep on or put anyting on the product outdoor units There is risk of personal injury and failure of product Do not insert hands or other objects through the air inlet or outlet while the product is oper ated There are sharp and moving parts that could cause personal injury CAUTION Installation Wax Thinner check for gas refrigerant leakage after installation or repair of product Low refrigerant leve...

Page 7: ...1 19 0 0 05 0 10 0 15 0 20 Operation time min Indoor Temp C ON OFF ON OFF MPS MPS Multi Power System is a power saving system With Two rotary compressors of different capacity 60 40 Operating an A C at high power until it reaches desired temperature And when it reaches the temperature only the 40 Capacity rotary compressor operates 27 25 23 21 19 0 0 05 100 operation 40 operation 0 10 0 15 0 20 Op...

Page 8: ...x170 Outdoor 870 x 1060 x 320 Indoor 9 Outdoor 78 Liquid 6 35 1 4 Gas 12 7 1 2 2 500 at 7 5m O L C D Wireless O O Operation 2 Unit On 1 Unit On 3 Unit On Remarks Unit Item Cooling Capacity Heating Capacity Moisture Removal h Power Source ø V Hz Air Circulation min Noise Level dB A Input W A E E R Btu h w C O P Dimensions W x H x D mm Net Weight kg Service Valve mm Inch Refrigerant R 22 g Airflow D...

Page 9: ...0 x 320 Indoor 9 Outdoor 78 Liquid 6 35 1 4 Gas 12 7 1 2 2 500 780 780 at 7 5m O L C D Wireless O O Operation 2 Unit On 1 Unit On 3 Unit On Remarks Unit Item Cooling Capacity Heating Capacity Moisture Removal ℓ h Power Source ø V Hz Air Circulation m3 min Noise Level dB A Input W A E E R Btu h w C O P Dimensions W x H x D mm Net Weight kg Service Valve mm Inch Refrigerant R 22 g Airflow Direction ...

Page 10: ... 1 Indoor Unit Dimensions Installation plate A A ø70mm Center Center ø70mm Left rear piping Right rear piping A A D H W Tubing hole cover W mm 888 H mm 287 D mm 170 L3 C363LA0 L3 C363MA0 L3 C363NA0 L3 H363LA0 L3 H363MA0 L3 H363NA0 MODEL DIM ...

Page 11: ...0 L11 L11 L11 L11 L11 Gas side 3 way valve Liquid side 2 way valve L3 C363LA0 L3 C363MA0 L3 C363NA0 L3 H363LA0 L3 H363MA0 L3 H363NA0 MODEL DIM W mm 870 H mm 1038 D mm 320 L1 mm 360 L2 mm 340 L3 mm 25 L4 mm 1035 L5 mm 25 L6 mm 546 L7 mm 160 L8 mm 160 L9 mm 44 L10 mm 64 5 L11 mm 50 ...

Page 12: ... Indoor Side Outdoor Side B A COMP B COMP A Accum C ex Solenoid Valve L E V 3 Way Valve 2 Way Valve Capillary 12 MPS Multi Air Conditioner Refrigeration Cycle Diagram Refrigeration Cycle Diagram 1 L3UH363LA0 L3UH363MA0 L3UH363NA0 2 L3UC363LA0 L3UC363MA0 L3UC363NA0 ...

Page 13: ...TO RESTART REMOTE CONTROL THERMISTOR OUT PIPE THERMISTOR IN PIPE AIR 3854A24002C CN MOTOR CN DISP1 DISPLAY PCB ASSY INDOOR WIRING DIAGRAM TO OUTDOOR UNIT C RD BK BR BL G V S CN POWER CN U D CN TH1 CN TH2 SW01F L3 C363LA0 L3 C363MA0 L3 C363NA0 L3 H363LA0 L3 H363MA0 L3 H363NA0 L3 C363LA0 L3 C363MA0 L3 C363NA0 L3 H363LA0 L3 H363MA0 L3 H363NA0 ...

Page 14: ...14 MPS Multi Air Conditioner Electronic Control Device Electronic Control Device Indoor Unit MAIN P C B DC ASM ...

Page 15: ... C03D C07D C05D R30M R31M Q07M CN_LEV C C52M L01H C02A RY_FAN L IC01K C26M R32M C27M R28M Q05M IC05M C14M C21M R20M C16M C15M R21M R16M IC04M IC03M C02M R29M R27M R26M R19M C24M CN_COM3 C13M R18M R14M R17M R15M CN_COM1 Q04M CN_COM2 RY_4WAY R08M Q02M R04M R03M C09M C05M R07M C04M R06M RY_LIQ R02M C03M RY_GAS R01M Q01M C01M IC03K L4 D L3 C L2 B L1 A IC02K Q01Z OSC01B CN_RY_FAN CN_POWER1 RY_FAN H R05...

Page 16: ...16 MPS Multi Air Conditioner Electronic Control Device Display P C B ASM ...

Page 17: ...NG MOTOR UP DOWN BL CN U D 4 104 C02D 5V 11 10 7 6 5V 45 48 35 46 47 13 14 33 34 2 64 63 37 32 57 56 1 KID65004AF IC01G KID65004AF 14 12 13 3 5 4 9 15 16 8 1 2 HVB OUT IC01M 9 7 8 4 6 5 18 55 54 50 51 52 53 17 16 19 20 21 61 62 10 7 R01B 1M R01T R05T 8 5V 12 3 11 9 10 6 7 40 5 43 42 29 41 31 30 44 38 220 0 01 R22H R23H 25V 10V R02A 20K C01A 5V C02A 2 1 3 KID65004AF 59 24 22 23 15 60 25 26 36 28 27...

Page 18: ...1 52 53 31 P37 34 35 36 P41 P40 33 32 P36 P35 RX C RX B TX C RX A TX B 14 13 P13 P12 P34 11 10 12 P10 P11 TX A CN LEV C CN LEV B DC 5V C52M 220 50V 2 3 1 2 3 1 5 4 5 4 IC03M 4 4 220 50V C51M 1 1 3 2 3 2 50V 5 5 1 220 C50M 1 2 2 1 1 OUT_PIPE OUT_TH 2 2 3 3 4 4 CN TH2 SUCTION 3 3 4 4 DC 5V R05H R20H ETC 12 1K 1 R05H R06H R07H 6 2K 1 DISCHARGE CN TH1 1 1 41 R01H 1K 60 P71 P66 P65 P64 55 56 54 P70 P67...

Page 19: ...J 1uF 1uF C03J 35V C10D 102M 561 2 C04D 35V 470UF 12uH L01D 1000UF 35V 220uF C05D 10V 220uF C03D DC 5V DC 15V IC04D C06D 50V 103 7805 C07D 50V 103 C02D 470uF 2K R02D 1 2W MT 15V C08D 103 50V L02D 12uH D101 FB 12 OUT R202 9 7 C01D GND PC201 D201 R201 D202 268 C102 BP TNY S D 13 C101 R102 OUT GND 3 NC DC 0V 6 5 PC201 GND NC DC 310V 1 IN R101 D01D 1N4937 RY FAN L RY FAN H RY GAS LIVE1 3 3 CN POWER NE...

Page 20: ...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 Operati...

Page 21: ...e Display Setting the Time or Timer Airflow Direction Control Operation ON OFF Temperature Setting TEMPERATURE LOW HIGH Timer Selection ON OFF C F Timer Setting SET Timer Cancel CANCEL Fan Operation Mode Reset Fan Speed Selection Low Med High CHAOS Down to 18 C 64 F Up to 30 C 86 F Cooling Cancel Sleep Mode Timer ON or Timer OFF 1 2 3 4 5 6 7 Off Timer Fan Operates without cooling or heating High ...

Page 22: ...if error is released error LED is also released simultaneously 1 Heating Model 2 Cooling Model 1 digit Operation LED 10 digit Sleep LED Case of error Contents Error code Open Short Outlet pipe sensor Indoor Error Outdoor Error 06 Different mode operation Different mode operation 07 Communication Poorly Open Short Open Short Air sensor open short 01 Inlet pipe sensor 02 Communication Indoor Outdoor...

Page 23: ...Timer Indicator 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 Co...

Page 24: ...en above 35 C it operates with the low airflow speed If overloaded while in heating mode operation in order to prevent the compressor from OLP operation the outdoor fan is turned on off according to the indoor pipe temp While in defrost control both of the indoor and outdoor fans are turned off Defrost Control H P model Defrost operation is controlled by timer and sensing temperature of outdoor pi...

Page 25: ...and only the indoor 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 car...

Page 26: ...g temperature selected 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 Inta...

Page 27: ...s of cooling and heating cycle operations are different Chaos Natural Wind Mode When the Chaos Natural Wind mode is selected and then operated the high medium or low speed of the air flow mode is operated for 2 15 sec randomly by the Chaos Simulation Jet Cool Mode Operation C O Model If the Jet Cool key is input at any operation mode while in appliance operation the Jet Cool mode operates In the J...

Page 28: ...forced operation is carried out in cooling mode with the setting temperature 22 C and the high speed of airflow While in forced operation the key input by the remote control has no effect and the buzzer sounds 10 times to indicate the forced operation Forced Operation H P Model To operate the appliance by force in case that the remote control is lost the forced operation selection switch is on the...

Page 29: ...door evaporator pipe from frosting When the indoor pipe temp is 7 C or higher after 3 min pause of the compressor the compressor and the outdoor fan is turned on according to the condition of the room temperature Buzzer Sounding Operation When the appliance operation key is input by the remote control the short beep beep sounds When the appliance pause key is input by the remote control the long b...

Page 30: ...ap with cap Pumping down 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 3 2 1 4 5 6 Flare nut To piping connection Open ...

Page 31: ...lve on the gauge slightly to air purge from the hose 5 Set the liquid side 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 gas side valve to the closed position Do this quickly so that the gauge ends up indi cating 1kg g 8 Disconnect the charge set and mount the liquid side and gas side valve caps ...

Page 32: ...that the gauge needle has moved toward 76 cmHg vacuum of 4 mmHg or less 6 Close the Low handle of the gauge turn off the vacuum pump and confirm that the gauge nee dle does not move approximately 5 minutes after turning off the vacuum pump 7 Disconnect the charge hose from the vacuum pump Vacuum pump oil If the vacuum pump oil becomes dirty or deplet ed replenish as needed 8 Mount the valve caps a...

Page 33: ...ioner in the cooling cycle however one time is not suffi cient wait approximately 1 minute and then repeat the procedure pumping down pin 4 Immediately disconnect the charge hose from the gas side valve s service port Stopping partway will allow the gas to be dis charged If the system has been charged with liquid refrigerant while operating the air conditioner turn off the air conditioner before d...

Page 34: ...igeration 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 tubing and wrap it with putty Temp difference approx 0 C Current less than 80 of rated current Temp difference approx 8 C Current less than 80 of rated current Temp difference less than 8 C Current over the rated current Te...

Page 35: ...tdoor PCB Ass y Check the connection housing for contacting Connector related to CN DC AC Display PWB Ass y Check Check each load Indoor Outdoor Fan Motor Compressor Stepping Motor etc 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 IC02D 7805 Output Indoor Outdoor unit I...

Page 36: ...iven 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 When the detect switch double key inside the remote controller door is fault it is impossible to operate temperature regulating and wind speed selecting Check the connecting...

Page 37: ...emperature is attached as close as to be effected by the temperature of Heat Exchanger EVA When the sensor circuit for indoor temperature and connector are in bad connection or are not engaged Compressor Outdoor Fan is stopped Check the related circuit of R02H 12 1K R01H 1 0K R04H 6 2K R03H 1 0K Indoor unit Check the indoor temperature sensor is disconnected or not About 10kΩ at 25 C Check if conn...

Page 38: ...Check it Indoor Outdoor the connection line is complied with Wiring Diagram Check the line fuse in the outdoor unit Check the connection of CN MOTOR check the operation of blower by manual Correct connection line Check POLY S W in indoor PCB Ass y If it is opened If it is shorted Exchange Indoor PCB Ass y Check the outdoor PCB Ass y Bad connection Good connection ...

Page 39: ...ting the Vertical Louver with hands Normal Check the connecting condition of CN U D Connector Check the soldering condition on PWB of CN 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 Check the operating circuit of the Vertical Louver Confirm that there is DC 12V between...

Page 40: ... pipe temperature is higher than 28 C Check the connector of intake and pipe sensor thermistors Check the related circuit of R02H 12 1K R01H 1 0K R04H 6 2K R03H 1 0K Check the indoor room temperature 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 if connection line Indoor Outdoor is complied with Wiring ...

Page 41: ...2V DC 5V Content Remedy The control data can be transmitted or received between indoor and outdoor unit with one signal cable If the data be disturbed by any noise level and misconnection the unit will be operated incorrectly In this case the indoor unit blinks the operation and operation LED on display and indoor fan outdoor fan COMP are not operated The unit can be reoperated by On Off control o...

Page 42: ...ion in the room will be good A place where drainage can be easily obtained A place where noise prevention is taken into consideration Do not install the unit near the door way Ensure the spaces indicated by arrows from the wall ceiling fence or other obstacles 2 Outdoor unit If an awning is built over the unit to prevent direct sunlight or rain exposure be careful that heat radiation from the cond...

Page 43: ... 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 rght 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 out door side Installation Plate marking off line...

Page 44: ...t onto the copper pipes Some refrgerant 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 0 5mm higher See illustration Flare the pipe ends 4 Tape the flaring portion to protect it from the dust or damages 90 Slanted Pipe cutter Rough Reamer Pipe Point do...

Page 45: ...ng hole Do not connect the cable to the indoor unit Make a small loop with the cable for easy con nection later 5 Tape the tubing drain hose and the connecting cable Be sure that drain hose locates at the lowest side of the bundle Locating at the upper side can be a reason that drain water overflows drain pan inside the unit Installation plate Pull Pull Connecting cable Gas side piping Liquid side...

Page 46: ...nstallation plate by moving it in left and right 7 Connecting the pipings to the indoor unit Align the center of the pipings and sufficiently tighten the flare nut with fingers Finally tighten the flare nut with torque wrench until the wrench clicks Wrench tightening the flare nut with forque wrench ensure the direction for tightening fol lows the arrows on the wrench 8 Wrap the insulation materia...

Page 47: ...on 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 in left and right Drain hose Tubing holder Taping Piping Push 2 Hook 1 Connecting cable Drain hose Press the lower left and right side of the unit agains...

Page 48: ...unit 1 Align the center of the pipings and sufficiently tighten the flare nut with fingers 2 Finally tighten the flare nut with torque wrench until the wrench clicks When tightening the flare nut with torque wrench ensure the direction for tightening follows the arrow on the wrench Pipe Size Torque Liquid Side 1 4 1 8kg m Gas Side 3 8 4 2kg m Gas Side 1 2 5 5kg m 3 Connecting Pipings and the cable...

Page 49: ...board with the holder clamper 6 Ground the unit in accordance with local codes 7 Refix the cover control to the original position with the screw 8 Use lock nuts to secure the conduit tubes 1 Separately wire the high and low voltage line 2 Use heat proof electrical wiring capable of withstanding temperature up to 167 F 3 Use outdoor and waterproof connection cable rated more than 300V for the conne...

Page 50: ... to expose the solid wire about 25mm 15 16 2 Using a screwdriver remove the terminal screw s on the terminal plate 3 Using pliers bend the solid wire to from a loop suit able for the terminal screw 4 Shape the loop wire properly place it on the terminal plater and tighten securely with the terminal screw using a screwdriver For strand wiring 1 Cut the wire end with a wire cutter or wire cutting pl...

Page 51: ...sis Press the Grille toward the chassis until it will be back into place CAUTION CAUTION Air Conditioner Circuit Breaker Use a circuit breaker or time delay fuse Connecting cable Main power source If a power plug is not to be used provide a circuit breaker between power source and the unit as shown below Model 18k 1ø 230 208V 15A 24k 1ø 230 208V 20A 36k 1ø 230 208V 30A Power source Fuse or breaker...

Page 52: ...ed above the ground Secure the drain hose appropriately 2 In cases where the outdoor unit is installed below the indoor unit perform the following Tape the piping drain hose and connecting cable from down to up Secure the tapped piping along the exterior wall using saddle or equivalent 3 In cases where the Outdoor unit is installed above the Indoor unit perform the following Tape the piping and co...

Page 53: ... and the vacuum pump to the service port by the charge hose 4 Vacuum the indoor unit and the connecting pipes until the pressure in them lowers to below 76cmHg 5 Disconnect the charge hose and fit the nut to the service port Tightening torque 1 8kg m 6 Remove the valve stem nuts and fully open the stems of the 2 way and 3 way valves with a hexagon wrench 7 Tighten the valve stem nuts of the 2 way ...

Page 54: ... Min length of each pipe A B C Max Elevation between each indoor unit and outdoor unit h1 Max elevation between indoor units h2 h2 h2 h1 h1 A B C Oil trap h1 CAUTION Capacity is based on standard length and maximum allowance length is on the basis of reliability Oil trap should be installed every 5 7 meters 16 4 23 0ft 12K 1 2 1 4 7 5m 30g m 25ft 0 32oz ft Gas Liquid Standard Length Additional Ref...

Page 55: ...harge air 2 Ensure the difference between the intake temperature and the discharge one is more than 8 C 1 Connection of power supply 1 Connect the power supply cord to the inde pendent power supply 2 Prepare the remote control Insert two batteries provided Remove the battery cover from the remote con troller Slide the cover according to the arrow direction Insert the two batteries Two R03 or AAA d...

Page 56: ...d and stops when the button is pressed again OPERATION MODE SELECTION BUTTON Used to select the operation mode ROOM TEMPERATURE SETTING BUTTONS Used to select the room temperature INDOOR FAN SPEED SELECTOR Used to select fan speed in four steps low medium high or CHAOS JET COOL Used to start or stop the speed cooling Speed cooling operates super high fan speed in cooling mode CHAOS SWING BUTTON Us...

Page 57: ... 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 tempera...

Page 58: ... Grille from the Chassis Set 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 step motor conductor with sensor holder Motor Evaporator P C B Screw Step Motor Conductor Moto...

Page 59: ... screws securing the evaporator and the holder eva Unhook the tab on the right inside of the chas sis at the same time slightly pull the evapora tor 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 Lift up the right side of the cross flow fan and the fan motor separate the fan motor from the cro...

Page 60: ... Exploded View and Replacement Parts List 135316 268711 1 267110 135311 354210 152313 249951 152302 135500 135314 147581 342800 131410 733010 346810 567480 1 567480 2 268711 2 352150 146811 35211B 359011 1 Indoor Unit L3 C363LA0 C363MA0 C363NA0 L3 H363LA0 H363MA0 H363NA0 ...

Page 61: ...323A20003A 6323A20003A 6323A20003A R 263230 2 THERMISTOR ASSEMBLY 6323A20024A 6323A20024A 6323A20024A 6323A20024A 6323A20024A 6323A20024A R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20025N 6711A20025N 6711A20025N 6711A20026U 6711A20026U 6711A20026U R 268712 PWB PCB ASSEMBLY DISPLAY 6871A30009Q 6871A30009Q 6871A30009Q 6871A30009Q 6871A30009Q 6871A30009Q R 268714 PWB PCB ASSEMBLY MAIN 6871A20502B 6871A...

Page 62: ...LA0 L3UC363MA0 L3UC363NA0 546810 559010 552203 1 552203 2 554160 2 554160 1 567502 554031 447910 430410 435512 435301 437211 137213 2 137213 1 135314 548490 552112 552113 552117 661400 661400 661400 567480 5 567480 4 649950 268711 3 268711 6 W0CZZ 1 W0CZZ 2 435511 2 Outdoor Unit ...

Page 63: ...A10446C 5211A10446C R 554031 CONDENSER ASSEMBLY BENT 5403A20168C 5403A20168C 5403A20168C R 559010 FAN ASSEMBLY PROPELLER 5901A10033A 5901A10033A 5901A10033A R 561410 1 COIL ASSEMBLY REVERSING VALVE R 561410 2 COIL ASSEMBLY SOLENOID R 649950 CONTROL BOX ASSEMBLY OUTDOOR 4995A00002B 4995A00002B 4995A00002B R 668711 1 PWB PCB ASSEMBLY MAIN AC 6871A20500B 6871A20500B 6871A20500B R 668711 2 PWB PCB ASS...

Page 64: ...363MA0 L3UH363NA0 546810 559010 552203 1 552203 2 554160 2 554160 1 554031 447910 567502 430410 435512 135301 437211 137213 2 137213 1 135314 263230 1 263230 2 649950 668711 2 668711 1 W0CZZ 1 W0CZZ 2 548490 552112 55211F 552113 552116 561410 1 561411 1 561411 2 561411 3 561410 2 435511 ...

Page 65: ...20168A 5403A20168A R 559010 FAN ASSEMBLY PROPELLER 5901A10033A 5901A10033A 5901A10033A R 561410 1 COIL ASSEMBLY REVERSING VALVE 6141A20021A 6141A20021A 6141A20021A R 561410 2 COIL ASSEMBLY SOLENOID 6141A20022A 6141A20022A 6141A20022A R 649950 CONTROL BOX ASSEMBLY OUTDOOR 4995A00002A 4995A00002A 4995A00002A R 668711 1 PWB PCB ASSEMBLY MAIN AC 6871A20500B 6871A20500B 6871A20500B R 668711 2 PWB PCB A...

Page 66: ...P No 3828A20466A August 2004 Printed in Korea ...

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LG L3-C363LA0, Service Manual

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