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Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes

LGE Internal Use Only

Air Conditioner Service Manual

TABLE OF CONTENTS

LG Model Name ...............................................................................................................................................3
Safety Precautions..........................................................................................................................................4
Dimensions......................................................................................................................................................8

Symbols used in this Manual......................................................................................................................8

Indoor Unit.................................................................................................................................................8

Outdoor Unit ...............................................................................................................................................9

Installation .....................................................................................................................................................12

Select the best Location  ..........................................................................................................................12
Piping Length and Elevation.....................................................................................................................13
Fixing Installation Plate ............................................................................................................................14
Drill a Hole in the Wall ..............................................................................................................................14
Flaring Work .............................................................................................................................................15
Connecting the Piping ..............................................................................................................................16
Connecting the Cables to the Indoor Unit ................................................................................................22
Connecting the Cables to the Outdoor Unit..............................................................................................23
Checking the Drainage.............................................................................................................................23
Forming the Piping ...................................................................................................................................24
Air Purging ...............................................................................................................................................25
Air Purging with Vacuum Pump................................................................................................................25
Test Running ............................................................................................................................................27

Operation .......................................................................................................................................................28

Function of Controls .................................................................................................................................28
Display Function ......................................................................................................................................35
Self-diagnosis Function ............................................................................................................................36
Remote Control Operations......................................................................................................................37

Disassembly ..................................................................................................................................................38

Indoor Unit................................................................................................................................................38

Troubleshooting Guide .................................................................................................................................41

Refrigeration Cycle Diagram ....................................................................................................................41
2-way,  3-way Valve  .................................................................................................................................42
Cycle Parts ...............................................................................................................................................47
Electronic Parts ........................................................................................................................................48

Schematic Diagram.......................................................................................................................................55

Electric Control Device .............................................................................................................................55
Wiring Diagram.........................................................................................................................................56
Components Location ..............................................................................................................................58

Product Specifications .................................................................................................................................60
Exploded View...............................................................................................................................................62

Summary of Contents for AS-H1863*M3

Page 1: ... lgservice com LS C1863R W B D M CM0 LS H1863R W B D M CM0 LS C2463R W B D M CM0 LS H2463R W B D M CM0 LS C1823R W B D M CM0 LS C1823R W B D M CM2 LS H1823R W B D M CM0 LS C2423R W B D M CM0 LS H2423R W B D M CM0 AS H2463R D M WM1 AS H1863B M R WM0 AS H2463R D M WM1 LS C2463B C D M RM1 LS C1823RM1 LS H1863B D M R WM1 AS H1863 M3 AS H2463 M3 LS H1863 M3 LS C2463 M3 LS H2463 M3 LS C1863 M3 LS C2463 ...

Page 2: ...ork 15 Connecting the Piping 16 Connecting the Cables to the Indoor Unit 22 Connecting the Cables to the Outdoor Unit 23 Checking the Drainage 23 Forming the Piping 24 Air Purging 25 Air Purging with Vacuum Pump 25 Test Running 27 Operation 28 Function of Controls 28 Display Function 35 Self diagnosis Function 36 Remote Control Operations 37 Disassembly 38 Indoor Unit 38 Troubleshooting Guide 41 R...

Page 3: ...0 60Hz F 200V 50 60Hz 8 380 415V 50Hz 9 380 415V 60Hz 7 Chassis 1 9 Name of Chassis of Unit Ex 3 S3 Chassis 8 Look A Z Look Color Artcool Model 9 Function A Z 10 Serial No 1 9 LG Model De ARTCOOL COLOR velopment Serial No Basic A Basic 4Way B Plasma Filter C Plasma Filter 4 Way D Tele LCD E Tele LCD Nano plasma 4Way F Nano Plasma F A changeover A clean Low A G Nano Plasma F A changeover A clean 4w...

Page 4: ...se a power cord a plug or a loose socket which is damaged For installation of the product always contact the service center or a professional installation agency Otherwise it may cause electrical shock Otherwise it may cause a fire or electrical shock Otherwise it may cause a fire elec trical shock explosion or injury Securely attach the electrical part cover to the indoor unit and the service pan...

Page 5: ...ay cause electrical shock or a fire Sharp edges may cause injury It will cause an electric shock or a fire due to heat generation Otherwise it may cause a fire or electrical shock Use caution when unpacking and installing Do not share the outlet with other appliances Do not use the damaged power cord Ensure that an installation frame of the outdoor unit is not damaged due to use for a long time Do...

Page 6: ...ater to run into electrical parts Never touch the metal parts of the unit when removing the fil ter Otherwise it may electrical shock and failure Otherwise it may cause the failure of machine or electrical shock They are sharp and may cause injury Do not step on the indoor outdoor unit and do not put anything on it Do not place a heavy object on the power cord It may cause an injury through droppi...

Page 7: ...y cause water leak age Otherwise it may cause dispute with the neighbors Otherwise it may cause the failure of product Wax Thinner Keep level parallel in installing the product Avoid excessive cooling and perform ventila tion sometimes Otherwise it may cause vibration or water leakage Otherwise it may do harm to your health Use a soft cloth to clean Do not use wax thin ner or a strong detergent Wh...

Page 8: ...y Dimensions Dimensions Installation plate D H W W mm 1170 H mm 315 D mm 173 Model Dimension INDOOR UNIT Indoor Unit This symbol alerts you to the risk of electric shock This symbol alerts you to hazards that may cause harm to the air conditioner This symbol indicates special notes NOTICE Symbols used in this Manual ...

Page 9: ... mm 162 162 L8 mm 162 162 L9 mm 54 54 L10 mm 74 5 74 5 L11 mm 79 79 LS C1863R W B D M CM0 LS H1863R W B D M CM0 LS C2463R W B D M CM0 LS H2463R W B D M CM0 LS H2423R W B D M CM0 AS H1863B M R WM0 AS H2463B M R WM0 LS C2463B C D M RM1 LS C1823RM1 LS H1863B D M R WM1 LS H1863 M3 LS C2463 M3 LS H2463 M3 LS C1863 M3 LS C2463 M4 AS H2463R D M WM1 Outdoor Unit Dimensions W L7 L6 L8 L9 D L1 L2 L3 L10 L11...

Page 10: ...and service purposes LGE Internal Use Only Dimensions W L2 L3 L1 D H L4 L5 Gas side 3 way valve Liquid side 2 way valve MODEL DIM unit W mm 840 H mm 577 D mm 276 L1 mm 287 L2 mm 64 L3 mm 518 L4 mm 10 L5 mm 100 LS C1823R W B D M CM2 AS H1863 M3 LS C2423R W B D M CM0 AS H2463 M3 ...

Page 11: ... Internal Use Only Dimensions W D L1 L2 H L3 L4 L5 L6 L7 L8L9 L10 Liquid side 2 way valve Gas side 3 way valve MODEL DIM unit W mm 801 H mm 555 D mm 262 L1 mm 339 L2 mm 37 L3 mm 543 6 L4 mm 11 4 L5 mm 591 L6 mm 105 L7 mm 105 L8 mm 72 5 L9 mm 86 4 L10 mm 77 LS C1823R W B D M CM0 LS H1823R W B D M CM0 ...

Page 12: ...mage to the wall Outdoor unit 1 If an awning is built over the unit to prevent direct sunlight or rain exposure make sure that heat radia tion from the condenser is not restricted 2 Ensure that the space around the back and sides is more than 10cm The front of the unit should have more than 70cm of space 3 Do not place animals and plants in the path of the warm air 4 Take the weight of the air con...

Page 13: ... standard length and maximum allowance length is on the basis of reliability Oil trap should be installed every 5 7 meters Pipe Size Capacity Btu h GAS LIQUID Max Length A m Additional Refrigerant g m Max Elevation B m Standard Length m 5k 14k 3 8 Ø9 52 1 4 Ø6 35 4 or 7 5 20 1 2 Ø12 7 1 4 Ø6 35 4 or 7 5 20 20 1 2 Ø12 7 1 4 Ø6 35 4 or 7 5 18k 28k 5 8 Ø15 88 1 4 Ø6 35 4 or 7 5 5 8 Ø15 88 3 8 Ø9 52 4...

Page 14: ...outlets is through the walls typi cally Drilling the hole through the wall for piping connections must be done safely Fixing Installation Plate Installation Plate Type A screw Installation plate Ø70mm Left rear piping Right rear piping C D B A Ø70mm Left rear piping Right rear piping B A D C Right rear piping B A D C Installation plate SU SZ S3 Installation plate Drill the piping hole with a ø70mm...

Page 15: ...all burrs from the cut cross sec tion of pipe tube 2 Put the end of the copper tube pipe in a downward direction as you remove burrs in order to avoid drop ping burrs into the tubing Putting nut on Remove flare nuts attached to indoor and outdoor unit then put them on pipe tube having completed burr removal not possible to put them on after flaring work Flaring work 1 Firmly hold copper pipe in a ...

Page 16: ...door unit from the outdoor 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 3 Tape the tubing drain hose and the connecting cable Be sure that the drain hose is located at the lowest side of the bundle Locating at the uper side can cause drain pan to overflow inside the unit CAUTION If the drain hose is routed insi...

Page 17: ... at the indoor unit install the drain pipe Wrap the insulation material around the connect ing portion 1 Overlap the connection pipe insulation material and the indoor unit pipe insulation material Bind them together with vinyl tape so that there may be no gap 2 Wrap the area which accommodates the rear piping housing section with vinyl tape 3 Bundle the piping and drain hose together by wrap ping...

Page 18: ... installation plate Insert the spacer etc between the indoor unit and the installation plate and separate the bottom of the indoor unit from the wall Connecting the piping to the indoor unit and the drain hose to drain pipe 1 Align the center of the pipes and sufficiently tighten the flare nut by hand 2 Tighten the flare nut with a wrench 3 When extending the drain hose at the indoor unit install ...

Page 19: ...th tape over the range within which they fit into the rear piping housing section Reroute the pipings and the drain hose across the back of the chassis Indoor unit installation 1 Remove the spacer 2 Ensure that the hooks are properly seated on the installation plate by moving it left and right 3 Press the lower left and right sides of the unit against the installation plate until the hooks engage ...

Page 20: ... purposes LGE Internal Use Only Installation CAUTION Installation Information For left piping Follow the instruction below Good case Press on the upper side of clamp and unfold the tubing to downward slowly Bad case Following bending type from right to left may cause damage to the tubing ...

Page 21: ... nut by hand 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 mm inch kg m Ø6 35 1 4 1 8 Ø9 52 3 8 4 2 Ø12 7 1 2 5 5 Ø15 88 5 8 6 6 Ø19 05 3 4 6 6 Outside diameter Torque Outdoor unit Liquid side piping Smaller diameter Gas side piping Bigger diameter Torque ...

Page 22: ...ndoor unit Connect the wires firmly so that they may not be pulled out easily Connect the wires according to color codes referring to the wiring diagram CAUTION If a power plug is not used provide a circuit breaker between power source and the unit as shown by CAUTION The power cord connected to the A unit should be selected according to the following specifications Type B approved by HAR or SAA T...

Page 23: ...e casing of electrical fittings are liable to 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 cause burn out of the wires 3 Specification of power source 4 Confirm that electrical capacity is sufficient 5 See to that the starting voltage is maintained at more than 90...

Page 24: ... 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 connecting cable from down to up Secure the taped piping along the exterior wall Form ...

Page 25: ...from both the gas and the liquid side on the outdoor unit Note that both the liquid and the gas side service valves on the outdoor unit are kept closed at this stage 2 Leak test Connect the manifold valve with pressure gauges and dry nitrogen gas cylinder to this service port with charge hoses Pressurize the system to no more than 150 P S I G with dry nitrogen gas and close the cylin der valve whe...

Page 26: ... side service port and fasten the flare nut securely with an adjustable wrench This process is very important to prevent leakage from the system Replace the valve caps at both gas and liquid side service valves and fasten them tight This completes air purging with a vacuum pump The air conditioner is now ready to test run 1 Remove the caps from the 2 way and 3 way valves 2 Remove the service port ...

Page 27: ...e is more than 8 C 46 F Cooling or Heating 4 For reference the gas side pressure of optimum condition is as below Cooling If the actual pressure is higher than shown the system is most likely over charged and charge should be removed If the actual pres sure are lower than shown the system is most likely undercharged and charge should be added The air conditioner is now ready for use NOTICE NOTICE ...

Page 28: ...icator On while in appliance operation off while in appliance pause Timer Indicator On while in timer mode on off and in sleep timer mode off when timer mode is completed or canceled Defrost Indicator Off except when hot start during heating mode operation or while in defrost control Plasma Indicator On while in plasma mode off while plasma mode is canceled Auto restart Indicator On while auto res...

Page 29: ... medium airflow speed While in compressor off the indoor fan is off when the indoor pipe temp is below 33 C when 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 out door fan is turned on off according to the indoor pipe temp While in defrost control both of the indoor and outdoor fans are turn...

Page 30: ...ing dehumidification heating mode operations is carried out for 10 sec or longer before Fuzzy operation the mode before Fuzzy operation is operated 1 Fuzzy Operation for Cooling According to the setting temperature selected by Fuzzy rule when the intake air temp is 0 5 C or more below the setting temp the compressor is turned off When 0 5 C or more above the setting temp the compressor is turned o...

Page 31: ...eration the setting temperature is automatically selected according to the intake air temp at that time 20 C Intake Air Temp Intake Air Temp 0 5 C Intake Air Temp 20 C 20 C When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically ...

Page 32: ...ated 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 Jet Cool mode the indoor fan is operated at super high speed for 30 min at cooling mode operation In the Jet Cool mode operation the room temperature is controlled to the setting temperature 18 C When ...

Page 33: ... to use this operation open the front panel upward and Press the power button let it be pressed for about 3 seconds If you want to stop the operation re press the button 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 cooling cycle operation mode the compressor and the outdoor fan are turned off ...

Page 34: ...hile in any operation mode with selecting the function The function is to be stopped while it is operating with selecting the function When an air cleaner function is selected during operation off The function will be only operated When inlet grille of air conditioner is opened during plasma operation High Voltage Generator H V B is to be stopped When inlet grille of air conditioner is closed duri...

Page 35: ...ation Display Function 1 Heating Model 2 Cooling Model Cooling Soft Dry Fan Heating Cooling Soft Dry Fan Sleep Mode Sleep Mode Timer Mode Timer Mode Hot start Defrost Operation Indicator Timer Indicator Sleep Timer Indicator Defrost Indicator Operation Indicator Timer Indicator Sleep Timer Indicator Outdoor Unit Operation ...

Page 36: ...ec 3sec twice 3sec 5times Error Code 1 2 5 Error Display LED Indoor body operation LED Error contents Indoor room temperature thermistor open short Indoor pipe temperature thermistor open short Outdoor pipe temperature thermistor open short Poor communication Indoor Thermistor assembly check Outdoor Thermistor assembly check Communication line circuit check SVC check point ...

Page 37: ...ed cooling heating operates at super high fan speed in cooling heating mode 6 CHAOS SWING BUTTON Used to stop or start louver movement and set the desired up down airflow direction 7 ON OFF TIMER BUTTONS Used to set the time of starting and stopping opera tion 8 TIME SETTING BUTTONS Used to adjust the time 9 TIMER SET CANCEL BUTTON Used to set the timer when the desired time is obtained and to can...

Page 38: ...king any checks Be sure the power switch is set to OFF To remove the Grille from the Chassis Hold up Inlet Grille Horizentally To remove the Grille pull the lower left and right side of the grille toward you slightly tilted and lift it straight upward To seperate connecter assembly and than to remove Inlet Grille assembly 1 Before removing the control box be sure to take out the wire screwed at th...

Page 39: ...emove the Control Box Remove securing screws Pull the control box out from the chassis careful ly 3 To remove the Discharge Grille Unhook the discharge grille and pull the dis charge 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 ...

Page 40: ...ntil the tab is clear of the slot 5 To remove the Motor Cover Remove 2 securing screw Pull the motor cover out from the chassis carefully 6 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 fro...

Page 41: ... OUTDOOR UNIT HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER HEAT EXCHANGE CONDENSER COMPRESSOR COMPRESSOR ACCUMU LATOR GAS SIDE GAS SIDE 3 WAY VALVE LIQUID SIDE LIQUID SIDE 3 WAY VALVE CAPILLARY TUBE CAPILLARY TUBE CHECK VALVE Heating Model only COOLING HEATING REVERSING VALVE Heating Model Only 1 Cooling Only Models Refrigeration Cycle Diagram 2 Cooling Heating Models ...

Page 42: ...with cap Closed Open Open clockwise counter clockwise 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 S...

Page 43: ...e 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 cm2 g 7 Immediately set the 3 way valve to the closed position Do this quickly so that the gauge ends up indi ...

Page 44: ...e service port 3 Open the valve Lo side on the charge set and discharge the refrigerant until the gauge indi cates 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 refrig erant until the gauge indicates 0 5 to 1 kg cm2 G if this is the case it will not be neces sary to apply a evacuatin Discharge the...

Page 45: ...hour Confirm that the gauge needle has moved toward 76 cmHg vacuum of 4 mmHg 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 O...

Page 46: ... of refrigerant it can be charged with a little at a time approximately 150g each time while operating the air conditioner 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 3 way valve s service port Stopping partway will allow the gas to be dis charged If the system ...

Page 47: ...ween intake and discharge air depends on room air humidity When the room air humidity is relativery higher temperature difference is smaller When the room air humidity is relatively lower tem perature difference is larger 2 Check temperature and pressure of refrigeration cycle 1 The suction pressure is usually 4 5 6 0 kg cm2 G Cooling at normal condition 2 The temperature can be measured by attach...

Page 48: ...Indoor Outdoor connecting cable Check PWB Assembly Fuse Pattern damage Varistor ZNR01N Check the connection housing for contacting Connector related to CN POWER1 2 Connector related to CN MOTOR Connector contacting of Outdoor Fan Compressor Display PWB Assembly Check Check each load Indoor Outdoor Fan Motor Compressor Stepping Motor and contacting condition of related connector Main PCB Board Oper...

Page 49: ... by the remote control When the mark is displayed in LCD screen replace battery Check the contact of CN D1 2 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 Display PWB Assembly Voltage between CN D2 DC 5V Check t...

Page 50: ...e and connector are in bad connection or are not engaged Compressor Outdoor Fan is stopped Check R02H 12 1k R04H 6 2k Micom Pin 26 27 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...

Page 51: ... Indoor Fan does not operate Fan can t operate for dehumidifying mode Change operation for cooling mode Turn off Main power Check the connection of CN MOTOR1 2 Check the Fan Motor Check the Fuse AC250V 3 15A Turn ON Main Power Check PWM signal from Micom Pin 50 Check On Off signal from micom pin14 Check Voltage of CN Motor 1 2 pin is about 15V ...

Page 52: ...ndition of CN UD LR1 LR2 Connector Check the soldering condition on PWB of CN UD LR1 LR2 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 Louvers Check the operating circuit of the Louvers Confirm that there is DC 12V between pin of CN UD and GND Confirm that there is a soldering short at fol...

Page 53: ...ed circuit of RY 4WAY 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 the DC voltage on the PWB ASSEMBLY The details of check are as followings Check point Between Micom NO 63 and GND Between IC02M NO 14 and GND Comp ON DC 5V Below DC 1V Comp OFF DC 0V About DC 12V Check ...

Page 54: ...ice purposes LGE Internal Use Only Troubleshooting Guide Turn off Main 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 55: ...OR FAN 12V ROOM TH PIPE TH 2 1 1 3 2 3 4 4 680 R03J 1 2W TRAICS SM1L43 100 1 2W R01J 120 1 2W R02J TR01J T1 1 4W R04J 560 ZNR02J TVR10561 TLP762JF IC01J 1 2 3 5 4 3 3 2 1 2 1 CN MOTOR FAN INDOOR MOTOR KID65004AF 1 UPD780023AGC C Vss0 5V Vdd0 8 NEC X2 Vss1 X1 INT0 INT1 BL 2 3 4 6 5 7 11 4WAY FAN 14 15 16 2 1 13 12 5 6 4 3 IC02M 10 9 7 8 12V OR YL RD PK 4 4 2 2 3 3 1 1 5 5 CN L R BL CSTS0800MG03 T2 ...

Page 56: ...O OUTDOOR UNIT TERMINAL BLOCK CONNECTOR PWB ASM BR BL BK RD GN YL BR BL BK RD GN YL 1 L 2 N 3 4 3 4 BL BR CN U D WH CN DISP1 STEP MOTOR CN L R BL CN HVB STEP MOTOR OPTION OPTION LIMIT S W 1 LIMIT S W 2 H V B A CL RD RD BK BK SUC STEP MOTOR 2 3854A20238N FUSE AC250V T2A CN TH1 WH TRIAC SH CAPA BL BR GN YL BR YL OR BK CN TAB1 CN MOTOR CN TAB2 CN SW 2 CN SW 3 CN STEP2 CN STEP1 CN MAIN CN SW 1 RY COMP...

Page 57: ... HIGH PRESSURE SWITCH SOLENOIDE VALVE BR BL GN YL GN YL GN YL T B CAPACITOR 1 L 2 N LS C1823R W B D M CM2 LS C1863_Series LS C2463_Series AS H1863_Series AS H2463_Series LS H2423_Series LS H2463_Series LS H1863_Series LS H2463 M3 AS H1863RM0 C S R RD YL YL GN YL GN YL GN YL BR BL BK RD YL YL BR OR BL BK FAN MOTOR BR BL BK RD HEATER RD BR BR WH BK RD BK RD RD T B1 T B3 T B4 T B2 REVERSING VALVE TER...

Page 58: ... Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Schematic Diagram Components Location MAIN P W B ASSEMBLY AC PART TOP VIEW 800V PWB ASM 6871A10043 PWB 6870A90177A BOTTOM VIEW ...

Page 59: ...nly for training and service purposes LGE Internal Use Only Schematic Diagram DISPLAY ASSEMBLY SUB P W B ASSEMBLY 1 1 1 CN 12V WH 1 CN D6 CN D7 1 CN D8 CN D5 1 1 1 1 CN CON WH CN SW BL 1 C01V PWB ASM 6871A20363 PWB 6870A90126B CN D3 CN D1 1 CN D2 1 CN D4 C02V ...

Page 60: ...30 2 525 2 500 9 2 12 6 8 5 12 11 0 9 2 12 6 8 1 12 11 0 9 7 8 9 9 68 9 5 9 2 98 2 65 3 2 2 78 2 65 26 7 26 7 15 7 30 26 7 61 82 9 45 67 2 82 9 1170 315 170 1170 315 170 1170 315 170 1170 315 170 1170 315 170 870 655 320 870 655 320 801 555 262 870 655 320 870 655 320 13 28 7 13 28 7 13 28 7 13 28 7 13 28 7 60 132 60 132 38 60 132 60 132 1310 1500 1360 1470 1480 O O O O O L C D Wireless L C D Wire...

Page 61: ... 1170 315 170 1170 315 170 1170 315 170 1170 315 170 1170 315 170 1170 315 170 1170 315 170 870 655 320 870 655 320 801 555 262 870 577 276 840 577 276 870 655 320 870 800 320 13 28 7 13 28 7 13 28 7 13 28 7 13 28 7 13 28 7 13 28 7 56 123 5 60 132 38 42 92 4 47 103 6 60 132 65 140 5 1 140 1 470 1 240 1 300 1 270 1 210 1 980 O O O O O O 0 L C D Wireless L C D Wireless L C D Wireless L C D Wireless ...

Page 62: ...al Use Only Exploded View Exploded View 352116 352150 145200B 145200C 145200D 354210 147581 249951 264110 W0CZZA 733010 131410 146811A 135311 342800 267110 359011 159830 146811B 145200A 268711C 135316 146811B 268711D 152302 135516 268711B 35211B 266090 268711A 237900 263230 346810 352115 Indoor Unit 135313 ...

Page 63: ...poses LGE Internal Use Only 352116 352150 145200B 145200C 145200D 354210 147581 249951 264110 W0CZZA 733010 131410 146811A 135311 342800 267110 359011 159830 146811B 145200A 268711C 135316 146811B 268711D 152302 135516 268711B 35211B 266090 268711A 263230 346810 352115 Indoor Unit Panel Mirror Type 135313 ...

Page 64: ...ly for training and service purposes LGE Internal Use Only Exploded View 554031 437212 435511 552202 552116 554160 550140 552203A 552203B 430411 435301 447910 552111 437210 559010 435512 546810 349600 561410 W0CZZB 649950 Applied for Heating Model Outdoor Unit ...

Page 65: ...ight reserved Only for training and service purposes LGE Internal Use Only 554031 437212 435511 552202 552116 554160 550140 552203A 552203B 430411 447910 552113 559010 546810 349600 561410 649950 Applied for Heating Model 437210 435301 Outdoor Unit UM Chassis ...

Page 66: ... for training and service purposes LGE Internal Use Only Exploded View 554031 437212 435511 552202 552116 554160 550140 552203A 552203B 430411 435301 447910 552111 437210 559010 435512 546810 349600 561410 649950 Applied for Heating Model Outdoor Unit UD Chassis ...

Page 67: ...or training and service purposes LGE Internal Use Only 435300 435512 137213B 137213A 554031 552202 552116 435511 554160 561410 550140 552203B 552203A 430411 437210 649950 W0CZZB 552102 559010 435301 546810 447910 Applied for Heating Model Outdoor Unit Exploded View ...

Page 68: ...P NO 3828A20195P February 2008 ...

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