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ARUN040GSS0
LG ARUN040GSS0 Installation Manual
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ELECTRICAL WIRING
57
ENGLISH
Example) Connection of power and communication cable
10HP/12HP
4HP/5HP/6HP/8HP
Insulation sleeves
attachment
Po
wer/
Ground cable
Po
wer/
Gr
ound ca
ble
Co
m
m
u
n
i
c
a
t
i
o
n
cable
Ov
er 50mm gap
Main power
T
erminal block
Ground
wire
Fix firmly not t
o be
displaced
ODU-IDU
Communication cable
Hold power cable
Hold
communication
cable
Insulation sleeves
attachment
Po
wer/
Ground cable
Po
wer/
Ground cable
View A
A
Commun
ication
cable
Over 50mm gap
Fix firmly not t
o be
displaced
ODU-IDU
Communication cable
Hold power cable
Commun
ication
cable
Main power
T
erminal block
Hold Communication
cable
Ground
wire
Fix firmly
not to be
displaced
Over
50mm gap
Powe
r/
Ground cable
Commun
ication
cable
Over
50mm gap
Po
wer/
Ground cable
Commun
icatio
n
cable
Right side
Front side
Right s
ide
Front side
※
Pictures may differ depending on the model.
1,
MF
L67798020,
2018.
4.
26.
7:
06
Page
57
w
w
w
.lgc
omf
or
t
c
ooling
.c
o
.uk
56
58
Table of Contents
Tips for Saving
2
Important Safety Instructions
3
Instructions 48
4
Outdoor Units
5
Table of Contents
9
Installation Process
10
Outdoor Units Information
11
Alternative Refrigerant R410A
12
Select the Best Location
13
Installation Space
14
Collective / Continuous Installation for Roof Top Use
18
Lifting Method
20
Installation
21
The Location of the Anchor Bolts
21
Foundation for Installation
22
Preparation of Piping
23
Plumbing Materials and Storage Methods
26
Refrigerant Piping Installation
28
Precautions on Pipe Connection / Valve Operation
28
Pipe Connections between Indoor and Outdoor Unit
29
Preparation Work
29
Pipe Drawing out
30
Selection of Refrigerant Piping
32
Refrigerant Piping System
33
Refrigerant Charging
40
Distribution Method
41
Branch Pipe Fitting
42
Leak Test and Vacuum Drying
46
Vacuum Mode
48
Heat Insulation of Refrigerant Piping
49
Electrical Wiring
50
Caution
50
Control Box and Connecting Position of Wiring
52
Communication and Power Cables
53
Wiring of Main Power Supply and Equipment Capacity
54
Field Wiring
55
Installation of IO Module(Optional)
59
Checking the Setting of Outdoor Units
60
Automatic Addressing
61
Group Number Setting
64
Cool & Heat Selector
65
Static Pressure Compensation Mode
66
Night Low Noise Function
67
Www.lgcomfortcooling.co.uk
77
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LG ARUN040GSS0 Specifications
General
Brand
LG
Model
ARUN040GSS0
Category
Air Conditioner
Language
English
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