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AUUW488D
LG AUUW488D User Manual
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Single "A" Air Conditioner
SVC MANUAL(General)
MODEL : Single "A"-Inverter Type
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.
Internal Use Only
http://biz.lgservice.com
2
Table of Contents
Table of Contents
2
Part 1 General Information
3
Safety Precautions
4
Model Line up
7
Copyright ©2008 Lg Electronics. Inc. All Right Reserved
7
Outdoor Units
8
Nomenclature
9
Indoor Units
10
Part 2 Functions & Controls
11
List of Functions & Controls
12
Air Flow
14
Auto Swing (Left & Right)
14
Auto Swing (up & Down)
14
Chaos Swing (Up/Down)
14
Air Flow Step
15
Chaos Wind (Auto Wind)
15
Jet Cool Mode Operation
15
Swirl Wind Swing
15
Air Purifying
16
PLASMA Air Purifying System
16
Installation Functions
17
External Static Pressure) Setting
17
High Ceiling Operation
19
Reliability
20
Hot Start
20
Self-Diagnosis Function
20
Soft Dry Operation
20
Convenience Functions & Controls
21
Auto Changeover Operation
21
Child Lock Function
25
Forced Operation
25
Group Control
26
Sleep Timer Operation
28
Timer(On/Off)
28
Weekly Program
28
Two Thermistor Control
29
Filter Sign Clear
30
Special Function & KIT
32
Installer Setting-How to Enter Installer Setting Mode
33
Installer Setting-Test Run Mode
35
Installer Setting-Setting Address of Central Control
36
Installer Setting-E.S.P
37
Installer Setting-Thermistor
39
Installer Setting-Ceiling Height Selection
40
Installer Setting-Static Pressure Setting
41
Installer Setting-Group Setting
42
Installer Setting-Mode Override Setting
43
Installer Setting-Dry Contact Mode Setting
44
Installer Setting-Zone State Setting
45
Installer Setting-Option Function Setting
46
Zone Controller
47
Auto Elevation Grille
48
Synchro Operation
49
Part 3 Control Logic
52
Compressor
53
Step(Frequency) Control
55
Reversing Valve Operation
58
Discharge Pipe Control
59
Input Current Control
60
Outdoor Fan Control
62
Defrost Control
64
LEV Control
65
Flow Chart
69
Oil Restoration Operation
71
Compressor Warm-Up Control Logic
71
Heat Sink Control
72
Part 4 Test Run
73
Check before Test Run
74
Test Run Flow Chart
75
Ceiling Cassette Type
77
Part 5 Trouble Shooting Guide
78
Self-Diagnosis Function
79
Trouble Shooting
80
Pump down
81
Pumping down
81
Evacuation
82
Gas Charging
83
Cycle Part
84
Electronic Parts
85
Copyright ©2008 LG Electronics. Inc. All Right Reserved
85
When Indoor Fan Does Not Operate
88
When the Louver Does Not Operate
89
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LG AUUW488D Specifications
General
Refrigerant
R410A
Cooling Capacity
48000 BTU/h
Voltage
208/230V
Power Supply
60Hz
Indoor Unit Noise Level
50 dB
Outdoor Unit Noise Level
65 dB
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