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ARUN040GSS5
LG ARUN040GSS5 User Manual
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INSTALLATION SPACE
15
ENGLISH
In case of obstacles on the suction and the discharge side
Obstacle height of discharge side is higher than the unit
1. Stand alone installation
H
L
‘a’ or
more
‘b’ or
more
L
500 or less
1 000 or
more
H
1 000 or
more
‘c’ or
more
2. Collective installation
L
H
1 000 or
more
100 or more
100 or more
‘d’ or
more
L
500 or less
1 000 or
more
H
1 250 or more
100 or more
100 or more
100 or more
‘d’ or
more
L > H
L > H
L > H
L > H
[Unit:mm]
U60A, U36A
U80A
a
500
700
b
350
350
c
350
350
d
350
350
14
16
Table of Contents
Important Safety Instructions
6
Table of Contents
7
Installation Process
8
Outdoor Units Information
10
Alternative Refrigerant R410A
11
Select the Best Location
12
Installation Space
13
Collective / Continuous Installation for Roof Top Use
17
Lifting Method
19
Installation
20
The Location of the Anchor Bolts
20
Foundation for Installation
21
Preparation of Piping
22
Plumbing Materials and Storage Methods
25
Refrigerant Piping Installation
27
Precautions on Pipe Connection / Valve Operation
27
Pipe Connections between Indoor and Outdoor Unit
28
Preparation Work
28
Pipe Drawing out
29
Selection of Refrigerant Piping
31
Refrigerant Piping System
32
Refrigerant Charging
39
Distribution Method
40
Branch Pipe Fitting
41
Leak Test and Vacuum Drying
45
Vacuum Mode
47
Heat Insulation of Refrigerant Piping
48
Electrical Wiring
49
Caution
49
Control Box and Connecting Position of Wiring
51
Communication and Power Cables
52
Wiring of Main Power Supply and Equipment Capacity
53
Field Wiring
54
Installation of IO Module(Optional)
58
Checking the Setting of Outdoor Units
59
Automatic Addressing
60
Group Number Setting
63
Cool & Heat Selector
64
Static Pressure Compensation Mode
65
Night Low Noise Function
66
Setting the ODU Address
67
Snow Removal & Rapid Defrost
68
Target Pressure Adjusting
69
Self-Diagnosis Function
70
Caution for Refrigerant Leak
73
Introduction
73
Checking Procedure of Limiting Concentration
73
Installation Guide at the Seaside
75
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LG ARUN040GSS5 Specifications
General
Brand
LG
Model
ARUN040GSS5
Category
Air Conditioner
Language
English
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