Lg Electronics AMNH123DEA0(LMN120HE) User Manuals

Table of Contents

• Model Number Nomenclature

  3
• Symbols Used in this Manual

  4
• Safety Precautions

  5
• Dimensions

  11
• Indoor Unit

  11
• Outdoor Unit

  12
• Product Specifications

  13
• Installation

  15
• Installation Parts

  15
• Installation Tools

  15
• Select the best location

  16
• Piping length and elevation

  17
• Fixing Installation Plate(Standart Type)

  18
• Preparing work for Installation (Artcool Type Only)

  19
• Flaring Work and Connection of Piping

  21
• Flaring work

  21
• Connecting the Piping

  22
• Connecting the Cable between Indoor Unit and Outdoor Unit

  30
• Connect the cable to the Indoor unit.

  30
• Connect the cable to the Outdoor unit

  31
• Connection method of the connecting cable(Example)

  32
• Connect the cable to the indoor unit

  33
• Checking the Drainage, Forming the Pipings and Long Pipe Setting

  34
• Checking the drainage

  34
• Forming the piping

  35
• Air Purging and Evacuation

  36
• Checking method

  36
• Evacuation

  37
• Charging

  38
• Test Running

  39
• Operation

  40
• Function of control

  40
• Function of Indoor Unit

  45
• Function of Outdoor Unit

  47
• Remote Control Operation

  48
• Disassembly

  49
• Indoor Unit

  49
• Schematic Diagram

  54
• Electronic Control Device

  54
• Wiring Diagram

  58
• Components Locations

  59
• Troubleshooting Guide

  64
• Refrigeration Cycle Diagram

  64
• Self-diagnosis Function

  65
• Cycle Troubleshooting Guide

  66
• Electronic Parts Troubleshooting Guide

  67
• General Information

  72
• 2-way, 3-way Valve

  78
• Exploded View & Replacement Parts List

  82
• Indoor Unit

  82
• Outdoor Unit

  86