LG LAN126HNP User Manual

Universal Air Conditioner
SVC MANUAL(Exploded View)
MODEL : LAN126HNP(ASNH121F2G1) LAU126HNP(ASUH121FUG1)
LAN096HNP(ASNH091F2G1) LAU096HNP(ASUH091FUG1)
LAN091CNP (ASNC091F2G0) LAU091CNP (ASUC091FUG0)
LAN121CNP (ASNC121F2G0) LAU121CNP (ASUC121FUG0)
LAN091HNP (ASNH091F2G0) LAU091HNP (ASUH091FUG0)
LAN121HNP (ASNH121F2G0) LAU121HNP (ASUH121FUG0)
LA090CPI (ASNC091F2G0) LA090CPO (ASUC091FUG0)
LA120CPI (ASNC091F2G0) LA120CPO (ASUC091FUG0)
LA090HPI (ASNH091F2G0) LA090HPO (ASUH091FUG0)
LA120HPI (ASNH121F2G0) LA120HPO (ASUH121FUG0)
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.
Internal Use Only
http://biz.lgservice.com

LG LAN126HNP Specifications

General

Brand	LG
Model	LAN126HNP
Category	Air Conditioner
Language	English

Summary

Safety Precautions

Installation Safety Guidelines

Key safety guidelines for installing the air conditioner unit.

Operational and Handling Safety

Installation Procedures

Installation Parts, Tools, and Map

Refrigerant Confirmation

Site Selection and Piping Length

Piping and Connection Steps

Detailed steps for piping, flaring, insulation, and connections.

Unit Mounting and Electrical Wiring

System Preparation and Testing

Air Purging and Evacuation

Procedures for purging air, leak testing, and evacuating the system.

Refrigerant Charging

Instructions for charging the system with refrigerant, including adjustments.

Test Running and Operation Modes

Unit Operation and Control

Indoor Unit Functions

Main Control Logic and Modes

Troubleshooting Guide

Refrigeration Cycle and Piping Issues

Cycle Parts and Electronic Faults

Common Operational Faults

Step-by-step solutions for common problems like remote control failure and fan/compressor issues.

Communication and Connection Errors

Troubleshooting for communication errors and connector issues between units.