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AS-H076QGA2/QNA2
LG AS-H076QGA2/QNA2 User Manual
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LG
Room
Air Conditioner
SERVICE MANUAL
LG
MODELS: AS-H076QGA2/QNA2
AS-H096QGA2/QNA2
AS-H126RGA2/RNA2
LS-C096QLA2
LS-H096QLA2
LS-C126RLA2
LS-H126RGA2/RMA2/RLA2
CAUTION
website http://www.lgservice.com
• BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
• ONLY FOR AUTHORIZED SERVICE PERSONNEL.
2
Table of Contents
Default Chapter
1
Service Manual
1
Table of Contents
2
LG Model Name
3
Safety Precautions
5
Dimensions
10
Symbols Used in this Manual
10
Indoor Unit
10
Outdoor Unit
11
Product Specifications
12
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
Flaring Work
17
Connection of Piping Indoor
18
Connection of the Pipes-Outdoor
21
Connect the Cable to the Indoor Unit
22
Connect the Cable to the Outdoor Unit
23
Checking the Drainage
24
Form the Piping
24
Test Running
25
Pump down
25
Operation
26
Function of Controls
26
Cooling Mode Operation
26
Defrost Control
27
Sleep Timer Operation
28
Forced Operation
28
Test Operation
29
Auto Restart
29
Display Function
30
Self-Diagnosis Function
30
Remote Control Operations
31
Disassembly
32
Indoor Unit
32
Schematic Diagram
35
Electric Control Device
35
Wiring Diagram
37
Components Location
39
Troubleshooting Guide
41
Refrigeration Cycle Diagram
41
Pipe Length and the Elevation
42
2-Way, 3-Way Valve
43
Pumping down
44
Gas Charging
47
Cycle Parts
49
Electronic Parts
50
The Product Is Not Operate with the Remote Controller
51
Compressor/Outdoor Fan Are Unable to Drive
52
When Indoor Fan Does Not Operate
53
When Vertical Louver Does Not Operate
54
When Heating Does Not Operate
55
Exploded View
57
Replacement Parts List
60
4
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LG AS-H076QGA2/QNA2 Specifications
General
Brand
LG
Model
AS-H076QGA2/QNA2
Category
Air Conditioner
Language
English
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