LG LMN078HVT Manuals

Manuals and User Guides for LG LMN078HVT. We have 4 LG LMN078HVT manuals available for free PDF download: Service Manual, Installation Manual, Installation & Maintenance

LG LMN078HVT Service Manual (93 pages)

Brand: LG | Category: Air Conditioner | Size: 15.46 MB

Table of Contents

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

14
- List of Functions & Accessory
  15
- Air Flow
  17
- Auto Swing (Left & Right)
  17
- Auto Swing (up & Down)
  17
- Chaos Swing (Up/Down)
  17
- Air Flow Step
  18
- Chaos Wind (Auto Wind)
  18
- Jet Cool Mode Operation
  18
- Swirl Wind Swing
  18
- Air Purifying
  19
- PLASMA Air Purifying System
  19
- External Static Pressure) Setting
  20
- Installation Functions
  20
- Hot Start
  21
- Reliability
  21
- Self-Diagnosis Function
  21
- Soft Dry Operation
  21
- Convenience Functions & Controls
  22
- Cooling & Heating Operations
  22
- Auto Cleaning Operation
  23
- Auto Operation (Artificial Intelligence)
  23
- Auto Restart Opeartion
  24
- Child Lock Function
  25
- Forced Operation
  25
- Group Control
  26
- Sleep Timer Operation
  27
- Timer(On/Off)
  27
- Weekly Program
  27
- Two Thermistor Control
  28
- Auto Elevation Grille
  29
- Low Ambient Control
  29
- Space Control
  29
- Special Function & KIT
  29
- Defrost Control(Heating)
  31
Part 3. Basic Control

32
- Part 3 Basic Control
  32
- Compressor Control
  33
- EEV( Electronic Expansion Valve) Control
  33
- Normal Operation
  33
- Defrost Control
  34
- Oil Return Control
  34
- Discharge Temperature Control
  35
- High Pressure Protection Control
  35
- Input Current Control
  35
- Low Pressure Protection Control
  35
- Protection Control
  35
- Part 4 Test Run
  36
- Check before Test Run
  37
- Test Run Flow Chart
  38
- Test Runing
  39
Part 5. Trouble Shooting

41
- Part 5 Trouble Shooting Guide
  41
- Error Indicator (Indoor)
  42
- Self-Diagnosis Function
  42
- Error Indicator (Outdoor)
  43
- Pump down
  44
- Evacuation
  45
- Gas Charging
  46
- Cycle Part
  47
- Electronic Parts
  48
- The Product Doesn T Operate at All
  48
- The Compressor/Outdoor Fan Are Don't Operate
  49
- The Product Doesn't Operate with the Remote Controller
  49
- When Indoor Fan Does Not Operate
  51
- When the Louver Does Not Operate
  52
- Troubleshooting Indoor Error
  53
- Troubleshooting Outdoor Error
  59

LG LMN078HVT Installation Manual (55 pages)

Brand: LG | Category: Air Conditioner | Size: 21.6 MB

Table of Contents
3
Installation Parts Provided
4
Safety Instructions
5
Installation of Indoor, Outdoor Unit
8
Select the Best Location
8
Seaside Applications and Installation
10
Seasonal Wind and Cautions in Winter
11
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
Connect the Cable to the Indoor Unit
35
Connect the Cable to the Distributor Unit
36
Connect the Cable to the Outdoor Unit
38
Connection Method of the Connecting Cable(Example)
40
Checking the Drainage, Insulating the Pipe and Special Piping Applications
41
Checking the Drainage
41
Insulating the Pipe and Special Piping Applications
41
Air Purging and Evacuation
42
Leak Checking
42
Evacuation
43
Charging
44
Installation Pi485
46
Test Running
47
Function
48
DIP S/W Setting
48
Forced Cooling Operation
49
Wiring Error Check
50
Saving Power Consumption
50
Night Quiet Mode
51
Mode Lock
52
PCB Display(18/24/60 K Model Only)
53
Max Combination Capacity
54

LG LMN078HVT Installation & Maintenance (54 pages)

Brand: LG | Category: Air Conditioner | Size: 7.2 MB

Installation Manual
1
Table of Contents
3
Safety Instructions

4
Introduction

9
Unit Nomenclature

11
General Data

12
- R410A Refrigerant
  12
- Specifications
  13
- Major System Components
  15
- Typical Multi F/Multi F Max Systems
  15
- Refrigerant Piping Requirements
  17
General Installation Guidelines

18
- Location Selection
  18
- Required Clearances
  18
- Inspection
  19
- Install Wall-Mounted IDU Chassis
  20
- 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
Troubleshooting

49
- Error Codes
  49
Cautions for Refrigerant Leaks

50
- Refrigerant Leaks
  50
Installation Checklist

51

LG LMN078HVT Installation Manual (54 pages)

STANDARD WALL-MOUNTED INDOOR UNIT

Brand: LG | Category: Air Conditioner | Size: 7.28 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
Install Wall-Mounted IDU Chassis
20
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
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
50
Refrigerant Leaks
50
Installation Checklist
51

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LG LMN078HVT Manuals

LG LMN078HVT Service Manual (93 pages)

Table of Contents

Table of Contents

Part 2 Functions & Controls

Part 3. Basic Control

Part 5. Trouble Shooting

LG LMN078HVT Installation Manual (55 pages)

Table of Contents

LG LMN078HVT Installation & Maintenance (54 pages)

Table of Contents

Safety Instructions

Introduction

Unit Nomenclature

General Data

General Installation Guidelines

Piping Connections

Electrical Wiring

Troubleshooting

Cautions for Refrigerant Leaks

Installation Checklist

LG LMN078HVT Installation Manual (54 pages)

Table of Contents

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