LG CT12F - Table of Contents

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Air Conditioner Service Manual

TABLE OF CONTENTS

Part 1 General Information ..........................................................................................................3

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

2. Model Line Up..............................................................................................................13

3. Nomenclature ..............................................................................................................16

Part 2 Functions & Controls......................................................................................................20

1. List of Functions & Accessory ..................................................................................21

2. Air Flow .......................................................................................................................32

3. Installation Functions.................................................................................................34

4. Reliability .....................................................................................................................39

5. Convenience Functions & Controls .........................................................................40

6. Special Function & KIT...............................................................................................48

Part 3 Basic Control ..................................................................................................................49

1. Normal operation ........................................................................................................50

2. Compressor control ...................................................................................................50

3. EEV( Electronic Expansion Valve) control ..............................................................50

Part 4 Trouble Shooting Guide ...............................................................................................52

1. Self-diagnosis Function ............................................................................................54

2. Pump Down ................................................................................................................55

3. Evacuation (All amount of refrigerant leaked) ........................................................56

4. Gas Charging (After Evacuation)..............................................................................57

5. Cycle Part ...................................................................................................................58

6. Electronic Parts..........................................................................................................58

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