TABLE OF CONTENTS
LG Model Name ...............................................................................................................................................3
Safety Precautions..........................................................................................................................................5
Dimensions....................................................................................................................................................10
Symbols Used in this Manual ...................................................................................................................10
Indoor Unit................................................................................................................................................10
Outdoor Unit.............................................................................................................................................11
Product Specifications .................................................................................................................................14
Installation .....................................................................................................................................................16
Piping Length and Elevation.....................................................................................................................16
How to Fix Installation Plate .....................................................................................................................17
Drill a Hole in the Wall ..............................................................................................................................17
Drain hose junction...................................................................................................................................17
Flaring work..............................................................................................................................................18
Connection of Piping Indoor.....................................................................................................................18
Checking the Drainage.............................................................................................................................25
Form the Piping ........................................................................................................................................25
AIR PURGING ................................................................................................................................................26
Air purging................................................................................................................................................26
Air purging with vacuum pump .................................................................................................................26
Test Running .................................................................................................................................................28
Operation .......................................................................................................................................................29
Function of Controls .................................................................................................................................29
Display Function ......................................................................................................................................33
Self-diagnosis Function............................................................................................................................33
Remote Control Operations......................................................................................................................34
Disassembly ..................................................................................................................................................35
Indoor Unit................................................................................................................................................35
Schematic Diagram.......................................................................................................................................38
Electric Control Device .............................................................................................................................38
Wiring Diagram.........................................................................................................................................39
Components Location ..............................................................................................................................40
Troubleshooting Guide .................................................................................................................................42
Refrigeration Cycle Diagram ....................................................................................................................42
2-way, 3-way Valve .................................................................................................................................43
Cycle Parts...............................................................................................................................................49
Electronic Parts ........................................................................................................................................50
Exploded View...............................................................................................................................................57
Replacement Parts List ................................................................................................................................62
Air Conditioner Service Manual