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Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
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
.................................................................................................................................
14
Installation
.....................................................................................................................................................
15
Selection of the Best Location..................................................................................................................15
Piping Length and Elevation.....................................................................................................................15
How to Fix Installation Plate .....................................................................................................................16
Drill a Hole in the Wall ..............................................................................................................................16
Drain hose junction...................................................................................................................................16
Flaring work and connection of piping
.......................................................................................................
17
Flaring work..............................................................................................................................................17
Connection of Piping Indoor .....................................................................................................................17
Connection of the Pipes-Outdoor .............................................................................................................21
Connecting the cable between indoor unit and outdoor unit
...................................................................
22
Connect the Cable to the Indoor Unit. ......................................................................................................22
Connect the Cable to the Outdoor Unit ....................................................................................................23
Checking the drainage and forming the pipings
........................................................................................
24
Checking the Drainage.............................................................................................................................24
Form the Piping ........................................................................................................................................24
AIR PURGING
................................................................................................................................................
25
Air purging ................................................................................................................................................25
Air purging with vacuum pump .................................................................................................................25
Test Running
.................................................................................................................................................
27
Operation
.......................................................................................................................................................
28
Function of Controls .................................................................................................................................28
Display Function ......................................................................................................................................32
Self-diagnosis Function ............................................................................................................................32
Remote Control Operations......................................................................................................................33
Disassembly
..................................................................................................................................................
34
Indoor Unit................................................................................................................................................34
Schematic Diagram
.......................................................................................................................................
37
Electric Control Device .............................................................................................................................37
Wiring Diagram.........................................................................................................................................38
Components Location ..............................................................................................................................39
Troubleshooting Guide
.................................................................................................................................
41
Refrigeration Cycle Diagram ....................................................................................................................41
2-way, 3-way Valve .................................................................................................................................42
Cycle Parts ...............................................................................................................................................48
Electronic Parts ........................................................................................................................................49
Exploded View
...............................................................................................................................................
56
Содержание AS-H0966KA2
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