Table of Contents
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TABLE OF CONTENTS
LG Model Name ...............................................................................................................................................3
Safety Precautions..........................................................................................................................................4
Dimensions .....................................................................................................................................................9
Symbols Used in this Manual .....................................................................................................................9
Indoor Unit..................................................................................................................................................9
Outdoor Unit.............................................................................................................................................10
Product Specifications ................................................................................................................................12
Installation .....................................................................................................................................................13
Installation of Indoor, Outdoor unit ...........................................................................................................13
Flaring Work and Connection of Piping....................................................................................................15
Connecting the cable between indoor unit and outdoor unit ....................................................................22
Air Purging ...............................................................................................................................................26
Test Running ............................................................................................................................................28
Operation ......................................................................................................................................................29
Main unit Function ...................................................................................................................................29
Display Function.......................................................................................................................................36
Self-diagnosis Function............................................................................................................................36
Name and Function-Remote Control .......................................................................................................37
Disassembly ..................................................................................................................................................38
Indoor Unit................................................................................................................................................38
Schematic Diagram.......................................................................................................................................42
Wiring Diagram.........................................................................................................................................49
Troubleshooting Guide .................................................................................................................................52
Refrigeration Cycle Diagram ....................................................................................................................52
Pipe Length and the Elevation .................................................................................................................53
3-way Valve ..............................................................................................................................................54
Cycle Troubleshooting Guide ...................................................................................................................60
Electronic Parts ........................................................................................................................................61
Exploded View ..............................................................................................................................................67
Indoor Unit...............................................................................................................................................67
Outdoor Unit............................................................................................................................................69
Replacement Parts List ................................................................................................................................71
Indoor ......................................................................................................................................................71
Outdoor ....................................................................................................................................................72
2 Room Air Conditioner
Air Conditioner Service Manual
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Table of Contents
Troubleshooting
