LG LMU18CHV Manuals

Manuals and User Guides for LG LMU18CHV. We have 6 LG LMU18CHV manuals available for free PDF download: Engineering Manual, Installation Manual, Service Manual

LG LMU18CHV Installation Manual (361 pages)

Multi-Zone Heat Pump Systems

Brand: LG | Category: Heat Pump | Size: 51.46 MB

Section 1

3
- Table of Contents
  3
- Safety Instructions
  
  4
- Nomenclature
  
  8
- General Data
  
  9
- Refrigerant Piping Insulation
  
  47
- Final Installation Procedures
  
  76
  - Refrigerant Charge
    82
  - Test Run
    85
- LG Monitoring View (LGMV) Diagnostic Software
  
  93
- LG Smart Inverter Monitoring System (SIMS)
  
  95
- Maintenance Recommendations
  
  97
Section 2

111
- 0Xowl)0Xowl)0$;2Xwgrru8Qlw6Shflàfdwlrqv
  115
  - Electrical Data
    115
  - R410A Refrigerant
    116
  - General Installation Guidelines
    117
    
    Oceanside Installation Precautions
    117
    
    Rooftop Installations
    118
    
    Planning for Snow and Ice
    118
  - Piping Preparation
    128
  - Piping Materials and Handling
    130
  - Refrigerant Piping Connections
    139
  - Flushing the Refrigerant Piping
    145
  - Leak Test and Vacuum Procedures
    146
  - Refrigerant Charge
    149
  - Refrigerant Piping Insulation
    152
    
    Power Wiring and Communications Cable Connections
    159
    
    Test Run
    164
    
    DIP Switch Settings
    165
    
    Self Diagnosis Functions
    170
  - Installation Checklists
    178
Section 3

187
- Safety Instructions
  
  188
- Introduction
  
  193
- Unit Nomenclature
  
  195
- General Data
  
  196
  - Specifications
    197
  - Typical Multi F/Multi F Max Systems
    199
  - Refrigerant Piping Requirements
    201
- General Installation Guidelines
  
  202
  - Location Selection
    202
  - Install Ceiling Cassette
    205
  - Installing Drain System
    206
  - Refrigerant Piping
    208
  - Piping Materials and Handling
    215
- Piping Connections
  
  216
  - Piping Preparation
    216
  - IDU to ODU
    217
  - Piping Insulation
    221
- Electrical Wiring
  
  223
- Troubleshooting
  
  235
  - Error Codes
    235
- Cautions for Refrigerant Leaks
  
  237
  - Refrigerant Leaks
    237
- Installation Checklist
  
  238
- Multi F Refrigerant Charge Worksheet
  
  242
- Multi F MAX Refrigerant Charge Worksheet
  
  243
Section 4

248
- Safety Instructions
  
  249
- Introduction
  
  254
- Unit Nomenclature
  
  256
- General Data
  
  257
  - Specifications
    258
  - Typical Multi F/Multi F Max Systems
    260
  - Refrigerant Piping Requirements
    262
- General Installation Guidelines
  
  263
  - Location Selection
    263
  - Install Ceiling Cassette
    266
  - Installing Drain System
    267
  - Refrigerant Piping
    269
  - Piping Materials and Handling
    276
- Piping Connections
  
  277
  - Piping Preparation
    277
  - IDU to ODU
    278
  - Piping Insulation
    282
- Electrical Wiring
  
  283
- Troubleshooting
  
  296
  - Error Codes
    296
- Cautions for Refrigerant Leaks
  
  298
  - Refrigerant Leaks
    298
- Installation Checklist
  
  299
- Multi F Refrigerant Charge Worksheet
  
  303
- Multi F MAX Refrigerant Charge Worksheet
  
  304
Flex Multi Split Installation Instructions

309
- Installation Parts Provided
  
  310
- Safety Precautions
  
  311
- Installation of Indoor, Outdoor Unit
  
  314
- Installation
  
  320
  - Connecting the Piping
    320
  - How to Fix
    324
  - Wiring Connection
    325
  - Conduit Connection
    325
  - Ceiling Dimension and Hanging Bolt Location
    326
  - How to Fix
    327
  - Wiring Connection
    327
  - Conduit Connection
    327
  - Installation of Wired Remote Controller(Optional)
    328
  - Installation of Decorative Panel
    330
  - Drain Piping
    332
- Flaring Work and Connection of Piping
  
  335
  - Flaring Work
    335
  - Connection of Piping - Outdoor
    336
  - Installation
    339
  - Installation of the Main Unit
    340
- Connecting the Cable between Indoor Unit, Distributor Unit and Outdoor Unit
  
  341
- Checking the Drainage, Insulating the Pipe and Special Piping Applications
  
  346
  - Checking the Drainage
    346
  - Insulating the Pipe and Special Piping Applications
    346
- Air Purging and Evacuation
  
  347
  - Leak Checking
    347
  - Evacuation
    348
- Charging
  
  349
- Installation PI485
  
  351
- Test Running
  
  352
- Function
  
  353
  - Dip S/W Setting
    353
  - Forced Cooling Operation
    354
  - Wiring Error Check
    355
  - Saving Power Consumption
    355
  - Night Quiet Mode
    356
  - Mode Lock
    357
  - Pcb Display(18/24K Model Only)
    358
- Combination Indoor Units
  
  359

LG LMU18CHV Engineering Manual (392 pages)

Multi-Zone Heat Pump Systems 1.5 to 4.5 Tons

Brand: LG | Category: Heat Pump | Size: 17.12 MB

Table of Contents
3
About LG Electronics, Inc

4
Multi-Zone Systems

4
Unit Nomenclature

6
Outdoor Unit Overview

7
Indoor Unit Overview

8
Controls and Options Overview

9
- Controls and Options Overview
  13
Multi F Outdoor Unit Product Data

15
- Product Features and Benefits
  15
- Mechanical Specifications
  15
- General Data
  15
- Dimensions
  15
- Rated Cooling Combination Tables
  15
- Rated Heating Combination Tables
  15
- Cooling Capacity Tables
  15
- Heating Capacity Tables
  15
- Electrical Data
  279
- Acoustic Data
  279
- Refrigerant Flow Diagrams
  280
  - Refrigerant Flow Diagrams
    282
  - Wiring Diagrams
    283
  - Wiring Diagrams
    285
- Operation Range
  286
Multi F MAX Outdoor Unit Product Data

287
- Product Features and Benefits
  287
- Mechanical Specifications
  287
- General Data
  287
- Dimensions
  287
- Rated Cooling Combination Tables
  287
- Rated Heating Combination Tables
  287
- Cooling Capacity Tables
  287
- Heating Capacity Tables
  321
- Electrical Data
  327
- Acoustic Data
  327
- Refrigerant Flow Diagrams
  328
- Wiring Diagrams
  329
- Operation Range
  330
Multi F MAX Branch Distribution Unit Product Data

331
- Mechanical Specifications
  331
- General Data
  334
- Dimensions
  335
- Refrigerant Flow Diagram
  336
- Wiring Diagram
  337
- Y-Branch Accessory
  338
- Branch Distribution Unit Orientation
  339
Application Guidelines

341
- Equipment Selection Procedure
  342
- Building Ventilation Design Guide
  348
- Placement Considerations
  353
- Application Guidelines
  358
Refrigerant Piping Design & Layout Best Practices

359
- Design Guideline Summary
  359
- Creating a Balanced / Quality Piping System
  359
- Manual Layout Procedure
  359
- LG Engineered Multi F MAX Y-Branch Kits
  359
- Refrigerant Charge
  364
- Refrigerant Charge
  365
- Selecting Field-Supplied Copper Tubing
  366
- Refrigerant Piping System Layout
  368
- Piping Insulation
  376
- Condensate Drain Piping
  377
- Cut Sheet
  379
Wiring Connections

381
- General Information
  381
- Power Wiring and Communications Cable Details
  381
- Indoor Unit Group Control
  381
- Wiring Connections
  390
Acronyms

391

LG LMU18CHV Service Manual (113 pages)

LG Multi-Inverter Type Air Conditioner SVC MANUAL(General)

Brand: LG | Category: Air Conditioner | Size: 10.81 MB

Table of Contents

2
- Part 1 General Information
  3
  - Safety Precautions
    4
  - Model Line up
    7
  - Outdoor Units
    8
  - Nomenclature
    10
Part 2 Functions & Controls

12
- 1 List of Functions & Accessory
  
  13
- 2 Air Flow
  
  15
  - Auto Swing (Left & Right)
    15
  - Auto Swing (up & Down)
    15
  - Chaos Swing (Up/Down)
    15
  - Air Flow Step
    16
  - Chaos Wind (Auto Wind)
    16
  - Jet Cool Mode Operation
    16
  - Swirl Wind Swing
    16
- 3 Air Purifying
  
  17
  - PLASMA Air Purifying System
    17
- 4 Installation Functions
  
  18
  - External Static Pressure) Setting
    18
- 5 Reliability
  
  19
  - Hot Start
    19
  - Self-Diagnosis Function
    19
  - Soft Dry Operation
    19
- 6 Convenience Functions & Controls
  
  20
  - Cooling & Heating Operations
    20
  - Auto Cleaning Operation
    21
  - Auto Operation (Artificial Intelligence)
    21
  - Auto Restart Operation
    22
  - Child Lock Function
    23
  - Forced Operation
    23
  - Group Control
    24
  - Sleep Timer Operation
    25
  - Timer(On/Off)
    25
  - Weekly Program
    25
  - Two Thermistor Control
    26
- 7 Special Function & KIT
  
  27
  - Low Ambient Control
    27
  - Space Control
    27
  - Auto Elevation Grille
    27
  - Defrost Control(Heating)
    29
Part 3. Basic Control

30
- Part 3 Basic Control
  30
- 1 Normal Operation
  
  31
  - Compressor Control
    31
- 3 EEV( Electronic Expansion Valve) Control
  
  31
- 4 Oil Return Control
  
  32
- 5 Defrost Control
  
  32
- 6 Protection Control
  
  33
  - High Pressure Protection Control
    33
  - Low Pressure Protection Control
    33
  - Discharge Temperature Control
    33
  - Input Current Control
    33
  - Part 4 Test Run
    34
    
    Check before Test Run
    35
    
    Test Run Flow Chart
    36
    
    Test Running
    37
    
    Ceiling Cassette Type
    38
Part 5 Trouble Shooting Guide

39
- 1 Self-Diagnosis Function
  
  40
  - Error Indicator (Indoor)
    40
  - Error Indicator (Outdoor)
    41
- 2 Pump down
  
  42
- 3 Evacuation
  
  43
- 4 Gas Charging
  
  44
- 5 Cycle Part
  
  45
- 6 Electronic Parts
  
  46

LG LMU18CHV Installation Manual (104 pages)

Outdoor Unit

Brand: LG | Category: Heat Pump | Size: 15.03 MB

Table of Contents
3
Safety Instructions
4
Nomenclature
8
General Data
9
Transporting / Lifting
19
Placement Considerations
20
Mounting / Anchoring
31
General Refrigerant Piping System Information
33
LG Air Conditioner Technical Solution (LATS)
33
Refrigerant Safety Standards / Device Connection Limitations
35
Selecting Copper Piping
37
Copper Expansion and Contraction
38
Piping Handling
41
Refrigerant System Engineering
42
Flaring and Brazing Procedures
46
Refrigerant Piping Insulation
47
Refrigerant Piping System Installation
48
Electrical System Installation
60
General Information
60
Installation
65
Final Installation Procedures
76
Triple Leak / Pressure Test
76
Deep Evacuation Test
77
Triple Evacuation Test
78
Refrigerant Charge
82
Cautions for Refrigerant Leaks
83
Test Run
85
DIP Switch Settings for Optional Modes
86
Error Codes
91
LG Monitoring View (LGMV) Diagnostic Software
93
LG Smart Inverter Monitoring System (SIMS)
95
Maintenance Recommendations
97
Installation Checklists and Worksheets
98

LG LMU18CHV Installation Manual (79 pages)

Multi-Zone Heat Pump Systems OUTDOOR UNIT

Brand: LG | Category: Air Conditioner | Size: 6.03 MB

Safety Instructions
3
- Safety Instructions
  6
- Table of Contents
  7
- Specifications
  8
Electrical Data
11
R410A Refrigerant
12
General Installation Guidelines
13
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

LG LMU18CHV Installation Manual (80 pages)

OUTDOOR UNIT, Multi-Zone Heat Pump Systems 1.5 to 5 Tons

Brand: LG | Category: Air Conditioner | Size: 11.61 MB

Safety Instructions
3
Table of Contents
7
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
Piping Preparation
24
Piping Materials and Handling
26
Refrigerant Piping Connections
35
Flushing the Refrigerant Piping
41
Leak Test and Vacuum Procedures
42
Refrigerant Charge
45
Refrigerant Piping Insulation
48
Electrical Wiring
53
Power Wiring and Communications Cable Connections
55
Test Run
60
DIP Switch Settings
61
Self Diagnosis Functions
66
Caution for Refrigerant Leakage
72
Installation Checklists
74

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LG LMU18CHV Manuals

LG LMU18CHV Installation Manual (361 pages)

Table of Contents

Section 1

Safety Instructions

Nomenclature

General Data

Refrigerant Piping Insulation

Final Installation Procedures

LG Monitoring View (LGMV) Diagnostic Software

LG Smart Inverter Monitoring System (SIMS)

Maintenance Recommendations

Section 2

Section 3

Safety Instructions

Introduction

Unit Nomenclature

General Data

General Installation Guidelines

Piping Connections

Electrical Wiring

Troubleshooting

Cautions for Refrigerant Leaks

Installation Checklist

Multi F Refrigerant Charge Worksheet

Multi F MAX Refrigerant Charge Worksheet

Section 4

Safety Instructions

Introduction

Unit Nomenclature

General Data

General Installation Guidelines

Piping Connections

Electrical Wiring

Troubleshooting

Cautions for Refrigerant Leaks

Installation Checklist

Multi F Refrigerant Charge Worksheet

Multi F MAX Refrigerant Charge Worksheet

Flex Multi Split Installation Instructions

Installation Parts Provided

Safety Precautions

Installation of Indoor, Outdoor Unit

Installation

Flaring Work and Connection of Piping

Connecting the Cable between Indoor Unit, Distributor Unit and Outdoor Unit

Checking the Drainage, Insulating the Pipe and Special Piping Applications

Air Purging and Evacuation

Charging

Installation PI485

Test Running

Function

Combination Indoor Units

LG LMU18CHV Engineering Manual (392 pages)

Table of Contents

About LG Electronics, Inc

Multi-Zone Systems

Unit Nomenclature

Outdoor Unit Overview

Indoor Unit Overview

Controls and Options Overview

Multi F Outdoor Unit Product Data

Multi F MAX Outdoor Unit Product Data

Multi F MAX Branch Distribution Unit Product Data

Application Guidelines

Refrigerant Piping Design & Layout Best Practices

Wiring Connections

Acronyms

LG LMU18CHV Service Manual (113 pages)

Table of Contents

Table of Contents

Part 2 Functions & Controls

1 List of Functions & Accessory

2 Air Flow

3 Air Purifying

4 Installation Functions

5 Reliability

6 Convenience Functions & Controls

7 Special Function & KIT

Part 3. Basic Control