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MULTI F LMU18CHV
LG MULTI F LMU18CHV User Manual
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Refer to Service Manuals posted on www
.lghvac.com for a full description of all error codes and work-arounds.
LG Electronics, U.S.A., Inc.
Commercial
Air Conditioning Division
4300 North Point Parkway
Alpharetta, Georgia 30022
www
.lg-vrf.com
20001747
ISO 9001: 2008
LG ELECTRONICS INC.
LG Electronics Products Support
1-888-865-3026 USA
Follow the prompts for HV
AC products.
IM_MultiF_ODU_1
1_15
78
Table of Contents
Safety Instructions
3
Safety Instructions
6
Table of Contents
7
Specifications
8
Electrical Data
11
R410A Refrigerant
12
General Installation Guidelines
13
Oceanside Installation Precautions
13
Rooftop Installations
14
Planning for Snow and Ice
14
Allowable Clearances
16
Platform Instructions
19
Branch Distribution Unit Installation
22
Branch Distribution Unit Installation
23
Piping Preparation
24
Piping Preparation
25
Piping Materials and Handling
26
General Installation Guidelines
34
Refrigerant Piping Connections
35
Refrigerant Piping Connections
40
Flushing the Refrigerant Piping
41
Leak Test and Vacuum Procedures
42
Additional Charge
45
Refrigerant Charge
45
Refrigerant Piping Insulation
48
Refrigerant Piping Insulation
52
General Information
53
Power Wiring and Communications Cable Connections
55
Test Run
59
DIP Switch Settings
60
Wiring Error Check
62
Self Diagnosis Functions
65
Troubleshooting
65
Error Codes
69
Electrical Wiring
53
Caution for Refrigerant Leakage
71
Refrigerant Piping
73
Installation Checklists
73
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LG MULTI F LMU18CHV Specifications
General
Brand
LG
Model
MULTI F LMU18CHV
Category
Air Conditioner
Language
English
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