LG General Wall Mounted-Inverter Type

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2 Room Air Conditioner

Air Conditioner Service Manual

CONTENTS

Part 1 General Information

1. Safety Precautions........................................................................................................4

2. Nomenclature ...............................................................................................................7

Part 2 Functions & Controls

1. List of Functions & Controls........................................................................................9

2. Basic Mode Controls .................................................................................................10

3. Special Mode Controls ...............................................................................................12

4. Utility Functions .........................................................................................................13

5. Protection Functions & Controls...............................................................................16

Part 3 Test Run

1. Check before Test Run ...............................................................................................31

2. Test Run Flow chart ....................................................................................................32

3. Test Run Detail ............................................................................................................33

Part 4 Trouble Shooting Guide

1. 2-Way, 3-Way Valve ....................................................................................................35

2. Pumping Down ...........................................................................................................36

3. Evacuation (All amount of refrigerant leaked) ........................................................37

4. Gas Charging (After Evacuation) ..............................................................................38

5. Cycle Troubleshooting Guide ....................................................................................39

6. Electric Parts Troubleshooting Guide.......................................................................41

7. Self-diagnosis Function .............................................................................................46

LG General Wall Mounted-Inverter Type - Table of Contents