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Only for training and service purposes

LGE Internal Use Only

Air Conditioner Service Manual

CONTENTS

Part 1 General Information .........................................................................................................2

1. Safety Precautions........................................................................................................3

2. Model Line Up................................................................................................................6

3. Nomenclature ..............................................................................................................11

Part 2 Functions & Controls.....................................................................................................13

1. List of Functions & Controls......................................................................................14

2. Air Flow .......................................................................................................................16

3. Air Purifying.................................................................................................................18

4. Installation Functions.................................................................................................19

5. Reliability .....................................................................................................................23

6. Convenience Functions & Controls .........................................................................24

7. Special Function & KIT...............................................................................................36

Part 3 Test Run..........................................................................................................................39

1. Check before Test Run ..............................................................................................40

2. Test Run Flow chart ...................................................................................................41

3. Test Runing..................................................................................................................42

Part 4 Trouble Shooting Guide ...............................................................................................45

1. Self-diagnosis Function ......................................................................................46

2. Pump Down ..........................................................................................................50

3. Evacuation............................................................................................................51

4. Gas Charging .......................................................................................................52

5. Cycle Part .............................................................................................................53

6. Electronic Parts....................................................................................................54

LG Multi-Inverter User Manual

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