Lg Electronics AS-W126URH1/UBH1/UWH1/UMH1 Manuale Utente
2 Room Air Conditioner
Air Conditioner Service Manual
TABLE OF CONTENTS
LG Model Name ...............................................................................................................................................3
Safety Precautions..........................................................................................................................................5
Dimensions ...................................................................................................................................................10
Safety Precautions..........................................................................................................................................5
Dimensions ...................................................................................................................................................10
Symbols Used in this Manual ...................................................................................................................10
Indoor Unit................................................................................................................................................10
Outdoor Unit .............................................................................................................................................11
Indoor Unit................................................................................................................................................10
Outdoor Unit .............................................................................................................................................11
Product Specifications ................................................................................................................................12
Installation .....................................................................................................................................................13
Installation .....................................................................................................................................................13
Select the Best Location .........................................................................................................................13
Piping Length and Elevation.....................................................................................................................14
Fixing Installation Plate ............................................................................................................................14
Drill a Hole in the Wall ..............................................................................................................................15
Flaring Work .............................................................................................................................................15
Connection of Piping ...............................................................................................................................16
Connecting the Cables .............................................................................................................................22
Checking the Drainage.............................................................................................................................24
Forming the Piping ...................................................................................................................................25
Air Purging ...............................................................................................................................................26
Test Running ............................................................................................................................................28
Piping Length and Elevation.....................................................................................................................14
Fixing Installation Plate ............................................................................................................................14
Drill a Hole in the Wall ..............................................................................................................................15
Flaring Work .............................................................................................................................................15
Connection of Piping ...............................................................................................................................16
Connecting the Cables .............................................................................................................................22
Checking the Drainage.............................................................................................................................24
Forming the Piping ...................................................................................................................................25
Air Purging ...............................................................................................................................................26
Test Running ............................................................................................................................................28
Functions ......................................................................................................................................................30
Operation ......................................................................................................................................................33
Disassembly ..................................................................................................................................................47
Operation ......................................................................................................................................................33
Disassembly ..................................................................................................................................................47
Indoor Unit................................................................................................................................................47
Schematic Diagram.......................................................................................................................................50
Electric Control device..............................................................................................................................50
Wiring Diagram.........................................................................................................................................52
Components Location ..............................................................................................................................54
Wiring Diagram.........................................................................................................................................52
Components Location ..............................................................................................................................54
Troubleshooting Guide .................................................................................................................................57
Refrigeration Cycle Diagram ....................................................................................................................57
Pipe Length and the Elevation .................................................................................................................58
2-way, 3-way Valve ...................................................................................................................................59
Cycle Parts ...............................................................................................................................................66
Self-diagnosis Function ............................................................................................................................67
Electronic Parts ........................................................................................................................................69
Pipe Length and the Elevation .................................................................................................................58
2-way, 3-way Valve ...................................................................................................................................59
Cycle Parts ...............................................................................................................................................66
Self-diagnosis Function ............................................................................................................................67
Electronic Parts ........................................................................................................................................69
Exploded View ..............................................................................................................................................80
Indoor Unit................................................................................................................................................80
Outdoor Unit .............................................................................................................................................81
Outdoor Unit .............................................................................................................................................81
Replacement Parts List ................................................................................................................................82
Indoor .......................................................................................................................................................82
Outdoor ....................................................................................................................................................84
Outdoor ....................................................................................................................................................84