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LG Electronics LSC183VMA service manual Outdoor Unit, Micom

Models: LSC183VMA

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MICOM

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CN-DC/DC

1 1

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DC 5V

R28

R27

R24

R25

R26

12.1K

12.1K

12.1K

12.1K

12.1K

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1%

1%

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DC 5V

1

AN4/RA4

28

R81

RA3/AN3

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OR8

OR7

OR4

OR5

OR6

DC 5V

2

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RA2/AN2

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DC 5V

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ZD81

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1%

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1%

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12.1K

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6.8K

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RA1/AN1

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R11H

R12H

TH1

R32H

10K

10K

1K

4

AN7/RA7

25

DC 5V

RA0/EC0

DC 5V

R91

R92

1K

5

Vdd

RD1/INT3

24

C11H

TEST

2.7K

103

KEY

D92

D91

1

4

R90

C91

6

AN0/Aref/RB0

RD0/INT2

23

1K

103

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3

IC9

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R03A

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R93

8

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13K

39.2K

4.3K

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21.5K

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51.1K

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23.2K

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68K

473K

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560K

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POWER TRANS

2. Outdoor Unit

Image 56

LG Electronics LSC183VMA service manual Outdoor Unit, Micom

Contents

Room Air Conditioner MODEL LSC183VMASERVICE MANUAL Contents DimensionsRefrigeration Cycle Diagram Wiring DiagramDetails of 2003 LG Model Name CodeType Code of ModelFunctions Indoor UnitOperation ON/OFF by Remote controller Sensing the Room Temperature Room temperature controlRemote Control Room, Temperature CheckingTemperature Setting Setting the Time or Timer Timer SelectionProduct References Indoor Unit Dimensions1 Indoor Unit 2 Outdoor Unit 18K Gas sideRefrigeration Cycle Diagram Cooling Only ModelsINDOOR UNIT OUTDOOR UNITWiring Diagram 18K Cooling Only Models1 Indoor Unit 2 Outdoor Unit 18KOperation Details 1. MAIN UNIT FUNCTIONDISPLAY Cooling Mode OperationHeating Mode Operation Defrost Control1 Fuzzy Operation for Cooling Fuzzy Operation C/O ModelFuzzy Operation H/P Model On-Timer Operation Airflow Speed Selection2 Fuzzy Operation for Dehumidification 3 Fuzzy Operation for HeatingOff-Timer Operation Off-Timer ↔ On-Timer OperationSleep Timer Operation Chaos Swing ModeRemote Control Operation Mode Jet Cool Mode Operation H/P ModelForced Operation Test operationDisplay Function Self-diagnosis Function1. Heating Model 2. Cooling ModelInstallation 1. Installation of indoor, Outdoor unit1 Select the best location 2 Piping length and elevation3 Preparing work for Installation 1. Open panel front2. Cover pipe and cover side remove 3. Drain hose junction4 How to fix installation plate 5 Preparing work for installation2. Flaring Work and Connection of Piping 1 Flaring work2 Connection of piping Indoor 1. Cut the pipes and the cable3. Indoor unit installation 5. Wrap the insulation material around the connecting portionInstallation Information For right piping Good case Bad case3 Connection of the pipes-Outdoor For right piping. Follow the instruction below3. Connecting The Cable Between Indoor Unit and Outdoor Unit Wiring Diagram2. Separately wire the high and low voltage line Every wire must be connected firmly2 Connection method of the connecting cableExample 4. checking the Drainage and forming the pipings 1 Checking the drainage2 Form the piping 1. To check the drainageCAUTIONI 3 Connect the cable to the indoor unitAir Conditioner 5. Air Purging 1 Air purging2 Air purging with vacuum pump 1. Preparation4. Finishing the job Soap water method3. Evacuation 3. Drive three screws 6. Panel Front Assemblyleft 7. Test Running PUMP DOWN1. Prepare remote control Pump Down ProcedureName and Function-Remote Control OperationOperation Mode Cooling Operation Auto Operation Healthy Dehumidification Operation2. To remove the Control Box Disassembly of the parts Indoor unit1. To remove the Grille from the Chassis 5. To remove the Motor 3. To remove the Evaporator4. Before removing the Turbo Fan 2-way, 3-way Valve 2-way Valve Liquid SideProcedure 1. Air purgingCAUTION Do not leak the gas in the air during Air purging 1 Recheck the piping connections2. Pumping down Procedure2 Operate the unit for 10 to 15 minutes 4 Air purging of the charge hose1 Re-air purging ProcedureRe-installation 7 Mount the valve stem nuts and the service port nut2 Balance refrigerant of the 2-way, 3-way valves ProcedureGas leakage 2 Connect the charge set to the 3-way valve’s port3. Evacuation Vacuum pumpProcedure All amount of refrigerant leaked4. Gas Charging Procedure5 Mount the valve stem nuts and the service port nut After EvacuationCycle Troubleshooting Guide 1. Trouble analysisRefer to Electronic Control Device drawing and Schematic diagram 2. Product does not operate at all3. The product is not operate with the remote controller 4. Compressor/Outdoor Fan are unable to drive Check pointCOMP ON COMP OFF5. When Indoor Fan does not operate 6. When Vertical Louver does not operate 7. When a comunication error occurs Off for 3 seconds 8. The phenomena in case of connecting error INDOOR UNITOn for 0.5 second OUTDOOR UNIT 9. Voltage of Connectors according to Indoor Fan SpeedNo. of pins MODELSElectronic Control Device 1 MAIN PWB ASSYIndoor UnitTOP VIEW BOTTOM VIEW PWB ASSY SVC PART LIST MODELOPTIONAL FUNCTION 2 MAIN PWB ASSYOutdoor UnitPWB ASSY SVC PART LIST 3 DISPLAY PWB ASSEMBLY 4 SUB P.W.B ASSEMBLYTOP VIEW BOTTOM VIEW PWB ASM6871A20363OUTDOOR 1. Indoor UnitDiagramSchematic 2. Outdoor Unit MICOMExploded View and Replacement Parts List 1. Indoor UnitParts Listindoor LOCATIONDESCRIPTION REMARKS2. Outdoor unit18K Parts Listoutdoor LOCATIONDESCRIPTION REMARKSMEMO MEMO Printed in Korea AugustP/No. 3828A20135Q