LG LMN157HVT Manuals

Manuals and User Guides for LG LMN157HVT. We have 4 LG LMN157HVT manuals available for free PDF download: Service Manual, Installation Manual, User Manual

LG LMN157HVT 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 LMN157HVT Installation Manual (55 pages)

Brand: LG | Category: Air Conditioner | Size: 15.74 MB

Table of Contents
3
Installation Parts Provided

4
Safety Precautions

5
Installation of Indoor, Outdoor Unit

8
Installation

14
- Connecting the Piping
  14
- How to Fix
  18
- Wiring Connection
  19
- Conduit Connection
  19
- Ceiling Dimension and Hanging Bolt Location
  20
- How to Fix
  21
- Wiring Connection
  21
- Conduit Connection
  21
- Installation of Wired Remote Controller(Optional)
  22
- Installation of Decorative Panel
  24
- Drain Piping
  26
Flaring Work and Connection of Piping

29
- Flaring Work
  29
- Connection of Piping - Outdoor
  30
- Installation
  33
- Installation of the Main Unit
  34
Connecting the Cable between Indoor Unit, Distributor Unit and Outdoor Unit

35
Checking the Drainage, Insulating the Pipe and Special Piping Applications

40
- Checking the Drainage
  40
- Insulating the Pipe and Special Piping Applications
  40
Air Purging and Evacuation

41
- Leak Checking
  41
- Evacuation
  42
Charging

43
Installation PI485

45
Test Running

46
Function

47
- Dip S/W Setting
  47
- Forced Cooling Operation
  48
- Wiring Error Check
  49
- Saving Power Consumption
  49
- Night Quiet Mode
  50
- Mode Lock
  51
- Pcb Display(18/24K Model Only)
  52
Combination Indoor Units

53

LG LMN157HVT Installation Manual (56 pages)

STANDARD WALL-MOUNTED INDOOR UNIT

Brand: LG | Category: Air Conditioner | Size: 9.23 MB

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
Refrigerant Piping
22
Piping Materials and Handling
30
Piping Preparation
31
Piping Connections
32
IDU to ODU
32
Piping Insulation
35
Drain Piping
37
Electrical Wiring
38
Power Wiring Specifications and Best Practices
39
Power Wiring Specifications and Best Practices/Controller Options
40
Indoor Unit Electrical Connections Guidelines
41
Indoor Unit Electrical Connections Procedure
42
Self Diagnosis Functions
44
LG SIMS - Self Diagnosis Functions
46
Optional Wall-Mounted Sensor and Controller
48
Troubleshooting
49
Error Codes
49
Cautions for Refrigerant Leaks
51
Refrigerant Leaks
51
Installation Checklist
52

LG LMN157HVT User Manual (7 pages)

Wall mounted, SVC maual

Brand: LG | Category: Air Conditioner | Size: 1.19 MB

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LG LMN157HVT Manuals

LG LMN157HVT 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

1 Normal Operation

3 EEV( Electronic Expansion Valve) Control

4 Oil Return Control

5 Defrost Control

6 Protection Control

Part 5 Trouble Shooting Guide

1 Self-Diagnosis Function

2 Pump down

3 Evacuation

4 Gas Charging

5 Cycle Part

6 Electronic Parts

LG LMN157HVT Installation Manual (55 pages)

Table of Contents

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 LMN157HVT Installation Manual (56 pages)

Table of Contents

LG LMN157HVT User Manual (7 pages)

Table of Contents

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