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Multi V ACRUN040LSS0
LG Multi V ACRUN040LSS0 User Manual
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MFL67798015
Rev
.01_010320
INST
ALL
A
TION MANUAL
AIR
C
ONDITIONER
www
.lg.com
Please read this installation manual c
ompletely before installing the pr
oduct.
Installation work must be performed in acc
ordanc
e with the national wiring
standards by author
ized per
sonnel only
.
Please retain this installation manual for futur
e refer
ence af
ter reading it thor
oughly
.
Copyright © 2014 - 2020 LG Electronics Inc.
All Rights Reserved.
ENGLISH
ESPAÑOL
PORTUGUÊS
2
Table of Contents
Safety Instructions
6
Table of Contents
7
Installation Process
8
Outdoor Units Information
10
Environment-Friendly 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
42
Distribution Method
43
Branch Pipe Fitting
44
Leak Test and Vacuum Drying
48
Vacuum Mode
50
Heat Insulation of Refrigerant Piping
51
Electrical Wiring
52
Caution
52
Control Box and Connecting Position of Wiring
54
Communication and Power Cables
55
Wiring of Main Power Supply and Equipment Capacity
56
Electric Characteristics
56
Field Wiring
57
Installation of IO Module(Optional)
61
Checking the Setting of Outdoor Units
62
Automatic Addressing
63
Group Number Setting
66
Cool & Heat Selector
67
Static Pressure Compensation Mode
68
Night Low Noise Function
69
Setting the ODU Address
70
Snow Removal & Rapid Defrost
71
Target Pressure Adjusting
72
Self-Diagnosis Function
73
Caution for Refrigerant Leak
76
Introduction
76
Checking Procedure of Limiting Concentration
76
Installation Guide at the Seaside
78
4
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LG Multi V ACRUN040LSS0 Specifications
General
Brand
LG
Model
Multi V ACRUN040LSS0
Category
Air Conditioner
Language
English
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