LG LV420HV2 Manuals

Manuals and User Guides for LG LV420HV2. We have 1 LG LV420HV2 manual available for free PDF download: Installation Manual

LG LV420HV2 Installation Manual

LG LV420HV2 Installation Manual (75 pages)

SINGLE ZONE VERTICAL AIR HANDLING UNIT

Brand: LG | Category: Air Handlers | Size: 15 MB

Table of Contents

Safety Instructions
3
Installation
3
Table of Symbols
3
Operation
6
Table of Contents
7
General Data
8
Unit Nomenclature
8
Specifications
9
Electrical
13
Electrical Data
13
General Installation Guidelines
14
Location Selection
14
Oceanside Applications
16
Required Outdoor Unit Clearances
17
Required Indoor Unit Clearances
22
Horizontal Right Installation
24
Vertical Downflow Installation
25
Installing Ductwork
28
Refrigerant Safety Standards / Device Connection Limitations
29
Selecting Field Supplied Piping
30
Copper Expansion and Contraction
31
Liquid Line
31
Piping Handling
33
Refrigerant System Engineering
34
Pipe Supports
35
Flaring and Brazing Procedures
38
Refrigerant Piping Connections
40
Installation Overview
40
Directional Pipe Formation
41
Special Applications
41
Outdoor Unit Connections
42
Indoor Unit Connections
43
Drain Hose
44
Bundling and Cutting Line
45
Insulation
46
Electrical System Installation
48
General Information and Safety Guidelines
48
Power Wiring Specifications and Best Practices
49
Terminal Connections
49
Wall Controller Installation
52
Controller Options
52
External Static Pressure Setting Values
53
How to Enter Installer Setting Mode
53
Indoor Unit Electrical Connections
55
Outdoor Unit Electrical Connections
56
Main Power Source
56
Indoor Unit Wiring Diagram LVN181HV4, LVN241HV4, LVN361HV4
57
Indoor Unit Wiring Diagram LVN420HV, LVN480HV
58
Indoor Unit Wiring Diagram LVN600HV
59
Outdoor Unit Wiring Diagram LUU180HV, LUU240HV
60
Outdoor Unit Wiring Diagram LUU360HV, LUU420HV, LUU480HV
61
Outdoor Unit Wiring Diagram LUU601HV
62
NJ, NK Wiring Diagrams Legend
63
NJ/NK Chassis DIP Switch Settings
64
Outdoor Unit DIP Switch Settings
65
Final Installation Procedures
66
Triple Leak / Pressure Check
66
Triple Leak / Pressure and Evacuation Procedures
67
Triple Evacuation Procedure
68
Trim Charge, Test Run
69
Finishing the Job
69
Pump Down, Cooling Only Mode
70
Pump down Procedure
70
Troubleshooting
71
Error Codes
71
Cautions for Refrigerant Leaks
73
Refrigerant Leaks
73
Installation Checklist
74

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