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LG LAN091CNP, LAU091CNP, LAN121CNP User Manual

LG LAN091CNP, LAU091CNP, LAN121CNP
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LG
Room Air Conditioner
SERVICE MANUAL
LG
MODELS: 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
website http://www.lgservice.com
• BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
• ONLY FOR AUTHORIZED SERVICE PERSONNEL.

Table of Contents

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LG LAN091CNP, LAU091CNP, LAN121CNP Specifications

General IconGeneral
ModelLAN091CNP, LAU091CNP, LAN121CNP
RefrigerantR410A
Frequency (Hz)60
Cooling Capacity (BTU)9, 000 (LAN091CNP/LAU091CNP), 12, 000 (LAN121CNP)
HSPF9.0
Outdoor Unit Net Weight63.9 lbs / 63.9 lbs
Outdoor Unit Dimensions (W x H x D)31.9" x 21.7" x 11.3" / 31.9" x 21.7" x 11.3"

Summary

LG Room Air Conditioner Service Manual

Safety Precautions

Installation Safety Guidelines

Critical safety instructions and warnings for installing the air conditioning unit correctly.

Operation Safety Guidelines

Safety measures related to operating the unit to prevent hazards.

Dimensions and Specifications

Product Specifications Overview

Presents technical specifications for cooling, heating, power, and performance.

Installation Procedures

Installation Parts and Tools

Lists all necessary parts and tools required for the proper installation of the unit.

Flaring Work and Piping Connection

Procedures for correctly flaring copper pipes and connecting them to prevent leaks.

Cable Connection Procedure

Instructions for safely connecting electrical cables between indoor and outdoor units.

Air Purging and Charging

Refrigerant Charging Procedure

Guidelines for correctly charging the system with the specified amount of refrigerant.

Test Running and Operation

Troubleshooting Guide

Refrigerant Charging and Evacuation

Steps for evacuating the system and charging it with refrigerant.

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