LG LS-H126RLN1 - Default Chapter; Table of Contents

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.............................................................................................................................................11
Product Specifications ................................................................................................................................13
Installation .....................................................................................................................................................14
Select the Best Location .........................................................................................................................14
Piping Length and Elevation.....................................................................................................................14
How to Fix Installation Plate.....................................................................................................................15
Drill a Hole in the Wall ..............................................................................................................................15
Installation Instructions of Telephone Control(Optional)...........................................................................15
Flaring Work.............................................................................................................................................16
Connection of Piping Indoor.....................................................................................................................17
Connection of the Pipes-Outdoor.............................................................................................................20
Connect the Cable to the Indoor Unit.......................................................................................................21
Connect the Cable to the Outdoor Unit ....................................................................................................22
Checking the Drainage.............................................................................................................................23
Form the Piping........................................................................................................................................23
Air Purging ...............................................................................................................................................24
Air Purging with Vacuum Pump................................................................................................................24
Test Running ............................................................................................................................................26
Operation ......................................................................................................................................................27
Function of Controls .................................................................................................................................27
Display Function.......................................................................................................................................34
Self-diagnosis Function............................................................................................................................35
Remote Control Operations......................................................................................................................36
Disassembly ..................................................................................................................................................37
Indoor Unit................................................................................................................................................37
Schematic Diagram.......................................................................................................................................41
Electric Control device..............................................................................................................................41
Wiring Diagram.........................................................................................................................................43
Components Location ..............................................................................................................................44
Troubleshooting Guide.................................................................................................................................46
Refrigeration Cycle Diagram ....................................................................................................................46
Pipe Length and the Elevation .................................................................................................................47
2-way, 3-way Valve ...................................................................................................................................48
Cycle Parts...............................................................................................................................................55
Electronic Parts ........................................................................................................................................56
Exploded View ..............................................................................................................................................63
Indoor Unit...............................................................................................................................................63
Outdoor Unit............................................................................................................................................64
Replacement Parts List ................................................................................................................................65
Indoor ......................................................................................................................................................65
Outdoor ....................................................................................................................................................66