LG AS-C0764DM0 User Manual

2 Room Air Conditioner
Air Conditioner Service Manual
TABLE OF CONTENTS
LG Model Name...............................................................................................................................................3
Safety Precautions..........................................................................................................................................5
Dimensions....................................................................................................................................................10
Symbols Used in this Manual...................................................................................................................10
Indoor Unit................................................................................................................................................10
Outdoor Unit.............................................................................................................................................12
Installation .....................................................................................................................................................16
Selection of the Best Location..................................................................................................................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 and connection of piping.......................................................................................................18
Flaring work..............................................................................................................................................18
Connection of Piping Indoor.....................................................................................................................18
Connection of the Pipes-Outdoor.............................................................................................................22
Connecting the cable between indoor unit and outdoor unit...................................................................23
Connect the Cable to the Indoor Unit.......................................................................................................23
Connect the Cable to the Outdoor Unit....................................................................................................24
Checking the drainage and forming the pipings........................................................................................25
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
Troubleshooting Guide.................................................................................................................................38
Refrigeration Cycle Diagram....................................................................................................................38
2-way, 3-way Valve .................................................................................................................................39
Cycle Parts...............................................................................................................................................45
Electronic Parts........................................................................................................................................46
Schematic Diagram.......................................................................................................................................53
Electric Control Device.............................................................................................................................53
Wiring Diagram.........................................................................................................................................54
Components Location ..............................................................................................................................57
Product Specifications .................................................................................................................................59
Exploded View...............................................................................................................................................64
Replacement Parts List ................................................................................................................................68

LG AS-C0764DM0 Specifications

General

Brand	LG
Model	AS-C0764DM0
Category	Air Conditioner
Language	English