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 .............................................................................................................................................13
Product Specifications .................................................................................................................................16
Installation .....................................................................................................................................................18
Selection of the Best Location..................................................................................................................18
Piping Length and Elevation.....................................................................................................................18
How to Fix Installation Plate .....................................................................................................................19
Drill a Hole in the Wall ..............................................................................................................................19
Drain hose junction...................................................................................................................................19
Flaring work and connection of piping .......................................................................................................20
Flaring work..............................................................................................................................................20
Connection of Piping Indoor .....................................................................................................................20
Connection of the Pipes-Outdoor .............................................................................................................24
Connecting the cable between indoor unit and outdoor unit ...................................................................25
Connect the Cable to the Indoor Unit. ......................................................................................................25
Connect the Cable to the Outdoor Unit ....................................................................................................26
Checking the drainage and forming the pipings........................................................................................27
Checking the Drainage.............................................................................................................................27
Form the Piping ........................................................................................................................................27
AIR PURGING ................................................................................................................................................28
Air purging ................................................................................................................................................28
Air purging with vacuum pump .................................................................................................................28
Test Running .................................................................................................................................................30
Operation .......................................................................................................................................................31
Function of Controls .................................................................................................................................31
Display Function ......................................................................................................................................35
Self-diagnosis Function ............................................................................................................................35
Remote Control Operations......................................................................................................................36
Disassembly ..................................................................................................................................................37
Indoor Unit................................................................................................................................................37
Schematic Diagram.......................................................................................................................................40
Electric Control Device .............................................................................................................................40
Wiring Diagram.........................................................................................................................................41
Components Location ..............................................................................................................................45
Troubleshooting Guide .................................................................................................................................47
Refrigeration Cycle Diagram ....................................................................................................................47
2-way, 3-way Valve .................................................................................................................................48
Cycle Parts ...............................................................................................................................................54
Electronic Parts ........................................................................................................................................55
Exploded View...............................................................................................................................................62
Replacement Parts List ................................................................................................................................67
Содержание S092CG N40
Страница 40: ...40 Room Air Conditioner Schematic Diagram Schematic Diagram Electric Control Device Heat Pump Model LED TYPE ...
Страница 44: ...44 Room Air Conditioner Schematic Diagram Components Location MAIN P W B ASSEMBLY TOP VIEW BOTTOM VIEW ...
Страница 45: ...Service Manual 45 Schematic Diagram MAIN P W B ASSEMBLY TOP VIEW BOTTOM VIEW Model G122C SR2 ...
Страница 46: ...46 Room Air Conditioner Schematic Diagram DISPLAY ASSEMBLY 6871A20574B 6871A20575A G122C SR2 ...
Страница 80: ...P No 3828A20462F February 2006 Printed in Korea ...