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LG AVNH186BLAC - User Manual

LG AVNH186BLAC
174 pages
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LG
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Air Conditioner
SERVICE MANUAL
LG
CAUTION
website http://www.lgservice.com
e-mail http://www.lgeservice.com/techsup.html
• BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
• ONLY FOR AUTHORIZED SERVICE PERSONNEL.
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Summary

Model Identification and Specifications

Model Number Nomenclature

Explains the structure and meaning of model numbers for indoor and outdoor units.

Model Names and Capacities

Lists model designations, chassis types, and their corresponding capacities in Btu/h.

Product Specifications Overview

Details technical parameters for indoor units, including airflow, fan, coil, and dimensions.

Safety Precautions

General Safety Guidelines

Crucial instructions and symbols to prevent harm to users and property damage.

Installation Safety Procedures

Essential precautions for safe and proper installation of the air conditioner.

Operation Safety Guidelines

Important safety measures to follow during normal operation and maintenance.

Installation Procedures

Indoor Unit Installation Steps

Detailed steps for installing indoor units, including location selection and components.

Piping and Refrigerant Handling

Critical steps for connecting refrigerant lines, including flaring and checking.

Outdoor Unit Installation Requirements

Specifies placement, space needs, and mounting for outdoor units.

Electrical Wiring Connections

Instructions for safe and correct electrical wiring of the system.

Operation and Control Systems

Main Unit Operation Modes

Explains cooling, heating, dry, fuzzy, and other operational modes.

Remote Controller Functions

Guide to operating the unit via the remote control interface.

Central Control System Setup

Configuration and features of central control systems for managing multiple units.

Technical Diagrams and Schematics

Indoor Unit Electronic Schematics

Detailed circuit diagrams for indoor unit electronic control devices.

Outdoor Unit Wiring Diagrams

Electrical connection diagrams for outdoor units (AUUH488C, AUUH728C, AUUH1008C).

Piping Diagrams

Visual representation of refrigerant piping configurations for various models.

Troubleshooting and Maintenance

General Troubleshooting Guide

Steps for diagnosing common issues based on temperature difference and current.

Specific Error Code Diagnosis

Explains error codes, their causes, and normal check points for indoor and outdoor units.

(3-way) Valve Operation and Servicing

Procedures for operating and servicing 3-way valves during installation and maintenance.

Exploded View and Parts List

Indoor Unit Exploded Views

Visual breakdown and part identification for various indoor unit chassis types.

Outdoor Unit Exploded Views

Visual breakdown and part identification for outdoor units (AUUH488C, AUUH728C, AUUH1008C).

Replacement Parts List

Catalog of replacement parts with location numbers and part numbers for indoor units.

LG AVNH186BLAC Specifications

General IconGeneral
BrandLG
ModelAVNH186BLAC
CategoryAir Conditioner
LanguageEnglish

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