LG LCN127HV4 Manuals

Manuals and User Guides for LG LCN127HV4. We have 2 LG LCN127HV4 manuals available for free PDF download: Engineering Manual, Installation Manual

LG LCN127HV4 Engineering Manual

LG LCN127HV4 Engineering Manual (80 pages)

Single-Zone Four-Way Ceiling Cassette Heat Pump Systems 3/4 to 3-1/2 Tons

Brand: LG | Category: Heat Pump | Size: 8.5 MB

Table of Contents

About LG Electronics, Inc
3
Duct-Free Split (DFS) Systems
3
Table of Contents
4
Four-Way Ceiling Cassette System Data
7
Product Features and Benefits
8
Unit Nomenclature
9
General Data
10
Electrical Data
13
Dimensions
14
Acoustic Data
20
Air Velocity and Temperature Distribution
22
Refrigerant Flow Diagrams
25
Wiring Diagrams
29
Accessories
34
Performance Data
36
Cooling Capacity Tables
37
Heating Capacity Tables
43
Application Guidelines
47
Equipment Selection Procedure
48
Building Ventilation Design Guide
50
Placement Considerations
55
Refrigerant Piping Design & Layout Best Practices
63
Design Guideline Summary
64
Selecting Field-Supplied Copper Tubing
65
Refrigerant Piping System Layout
67
Piping Insulation
71
Condensate Drain Piping
72
Electrical and Mechanical Specifications
73
Electrical Connections
73
Mechanical Specifications
77
Acronyms
79

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LG LCN127HV4 Installation Manual

LG LCN127HV4 Installation Manual (61 pages)

CEILING CASSETTE INDOOR UNIT

Brand: LG | Category: Air Conditioner | Size: 6.84 MB

Table of Contents

Table of Contents
3
Safety Instructions
4
Introduction
9
Unit Nomenclature
11
General Data
12
Specifications
13
Typical Multi F/Multi F Max Systems
15
Refrigerant Piping Requirements
17
General Installation Guidelines
18
Location Selection
18
Inspection
19
Install Ceiling Cassette
20
Installing Drain System
22
Refrigerant Piping
23
Piping Materials and Handling
31
Piping Connections
32
Piping Preparation
32
IDU to ODU
33
Piping Insulation
36
Electrical Wiring
38
General Guidelines
38
Power Wiring Specifications and Best Practices
39
Controller Options
40
Power Wiring / Communications Cable Installation Guidelines
40
Indoor Unit Electrical Connections Procedure
41
Decorative Grille Kit Installation
43
Self Diagnosis Functions
44
LG SIMS - Self Diagnosis Functions
46
Controller Options
48
Troubleshooting
51
Error Codes
51
Cautions for Refrigerant Leaks
53
Refrigerant Leaks
53
Installation Checklist
54
Pre-Commissioning Checklist
58
Multi F Refrigerant Charge Worksheet
58
Multi F MAX Refrigerant Charge Worksheet
59

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