LG ARUV420LTN4 Manuals

Manuals and User Guides for LG ARUV420LTN4. We have 1 LG ARUV420LTN4 manual available for free PDF download: Installation Manual

LG ARUV420LTN4 Installation Manual

LG ARUV420LTN4 Installation Manual (92 pages)

Brand: LG | Category: Air Conditioner | Size: 25.5 MB

Table of Contents

Important Safety Instructions
3
Table of Contents
7
Installation Process
8
Outdoor Units Information
9
Environment- Friendly Alternative Refrigerant R410A
16
Select the Best Location
17
Installation Space
18
Individual Installation
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 During Single / Series Connection
30
Refrigerant Piping System
32
Refrigerant Charging
45
Distribution Method
46
Branch Pipe Fitting
47
Leak Test and Vacuum Drying
51
Vacuum Mode
53
Thermal Insulation of Refrigerant Piping
54
Electrical Wiring
55
Caution
55
Control Box and Connecting Position of Wiring
57
Communication and Power Cables
58
Wiring of Main Power Supply and Equipment Capacity
59
Field Wiring
60
Checking the Setting of Outdoor Units
66
Automatic Addressing
67
Group Number Setting
70
Cool & Heat Selector
71
Static Pressure Compensation Mode
72
Night Low Noise Function
73
Overall Defrost Mode
74
Setting the ODU Address
75
Snow Removal & Rapid Defrost
76
Target Pressure Adjusting
77
Self-Diagnosis Function
78
Caution for Refrigerant Leak
89
Introduction
89
Checking Procedure of Limiting Concentration
89
Installation Guide at the Seaside
91

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