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LSU120HEV2
LG LSU120HEV2 User Manual
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LG Electronics, U.S.A., Inc.
Air Conditioning T
echnologies
4300 North Point Parkway
Alpharetta, Georgia 30022
www
.lghvac.com
IM_SZ_Mega_Mega1
15V_HEV2_HXV_06_19
Supersedes: IM_W
allMounted_All_1
1_15
IM_W
allMounted_All_08_15
20001747
ISO 9001: 2008
LG ELECTRONICS INC.
78
Table of Contents
Safety Instructions
3
Table of Contents
7
General Data
8
Unit Nomenclature
8
Parts
9
Electrical
12
General Installation Guidelines
13
Outdoor Unit Location Selection
14
Required Outdoor Unit Clearances
16
Rigging and Lifting
17
Outdoor Unit Mounting
18
Indoor Unit Location Selection
19
Required Indoor Unit Clearances
19
Indoor Unit Mounting
20
General Refrigerant Piping System Information
25
Refrigerant Safety Standards
25
Device Connection Limitations
25
Selecting Copper Piping
26
Copper Expansion and Contraction
27
Piping Materials and Handling
29
Refrigerant System Engineering
30
Flaring and Brazing Procedures
33
Refrigerant Piping Connections
35
Installation Overview
35
Special Applications
36
Outdoor Unit Connections
37
Indoor Unit Connections
38
Outdoor Unit Drain Piping
43
Indoor Unit Drain Hose
44
Bundling
45
Insulation
46
Electrical System Installation
48
Safety Guidelines
48
Controller Options
53
Indoor Unit Electrical Connections
54
Outdoor Unit Electrical Connections
58
Final Installation Procedures
60
Triple Leak / Pressure Test
60
Deep Evacuation Test
61
Triple Evacuation Test
63
Refrigerant Trim Charge
64
Finishing the Job
64
Reattaching the Indoor Unit Bottom Cover
65
Air Filter Disassembly and Assembly
67
Installing Batteries, Test Run, Performance Evaluation
68
Installer Mode, Cooling Only Mode
69
Pump down Procedure
70
Troubleshooting
71
LG SIMS - Self Diagnosis Functions
71
Error Codes
73
Refrigerant Leaks
77
Installation Checklist
78
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LG LSU120HEV2 Specifications
General
Brand
LG
Model
LSU120HEV2
Category
Air Conditioner
Language
English
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