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LG AUUH186A User Manual

LG AUUH186A
119 pages
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LG
Universal System
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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LG AUUH186A Specifications

General IconGeneral
BrandLG
ModelAUUH186A
CategoryAir Conditioner
LanguageEnglish

Summary

LG Air Conditioner Models Overview

Cooling Only Models

Lists cooling-only air conditioner models and specifications.

Heat Pump Models

Lists heat pump air conditioner models and specifications.

Model Number Nomenclature Guide

Indoor Unit Model Breakdown

Explains indoor unit model number structure and component meanings.

Decoration Panel Nomenclature

Details the nomenclature for ceiling cassette decoration panels.

Outdoor Unit Model Breakdown

Explains outdoor unit model number structure and component meanings.

Safety Precautions

General Safety Guidelines

Covers warnings, symbols, and general precautions for safe use.

Installation Safety Precautions

Specific safety measures to follow during unit installation.

Features and Benefits of LG Air Conditioners

Key Air Conditioner Features

Highlights features like Environment Friendly Refrigerant, Jet Cool, and Gold Fin.

Advanced Air Treatment & Control

Details Plasma Air Purifier, Group Control, and Central Control features.

Operational & Comfort Features

Describes Swirl Swing, Space Control, Auto Restart, and Thermistor Control.

Specialized Operation Modes

Explains Defrost/Deicing, Low Ambient, High Ceiling, and Drain Pump.

Convenience & Efficiency Features

Covers Time Delay, Zero Standby Power, and Child Lock functions.

Control & Diagnostic Features

Details Zone Control, Tele Control, E.S.P. Control, and Self Diagnosis.

List of Functions

Ceiling Cassette Functionality Overview

Table detailing functions available for Ceiling Cassette models.

Remote Control Functions

Wireless LCD Remote Control (Ceiling & Floor)

Explains wireless remote functions for Ceiling & Floor models.

Wireless LCD Remote Control (Ceiling Cassette)

Details wireless remote functions for Ceiling Cassette models.

Wireless LCD Remote Control (Ceiling Concealed Duct)

Describes wireless remote functions for concealed duct units.

Wired LCD Remote Control (Ceiling Concealed Duct)

Explains wired remote functions for concealed duct units.

Specifications

Cooling Only Specifications

Technical data for cooling-only models across various tonnages.

Heat Pump Specifications

Technical data for heat pump models across various tonnages.

Dimensional Drawings

Indoor Unit Dimensions

Provides drawings and dimensions for various indoor unit types.

Outdoor Unit Dimensions

Provides drawings and dimensions for various outdoor unit models.

Wiring Diagrams

Indoor Unit Wiring Diagrams

Electrical diagrams for various indoor unit types and operations.

Outdoor Unit Wiring Diagrams

Electrical diagrams for various outdoor unit types and operations.

Refrigerant Cycle Diagrams

Cooling Only Refrigerant Cycles

Illustrates refrigerant flow for cooling-only models.

Heat Pump Refrigerant Cycles

Illustrates refrigerant flow for heat pump models.

Electrical Data

Unit Electrical Specifications

Detailed electrical ratings, currents, and power data for models.

Operation Range

Inlet Air Temperature Operation Ranges

Defines operational temperature limits for cooling and heating.

External Static Pressure & Air Flow

Ceiling Concealed Duct Airflow Data

Airflow vs. static pressure for concealed duct units.

E.S.P. Setting for Phase Control Motor

Instructions for setting External Static Pressure via remote.

Installation Procedures

Indoor Unit Installation Guidance

Instructions for selecting location and mounting indoor units.

Outdoor Unit Installation Guidance

Guidelines for outdoor unit placement, space, and securing.

Wiring Connections and Power Supply

Details electrical connections, wiring specs, and grounding.

Drain Pipe Work and Drainage

Procedures for drain pipe installation, gradient, and testing.

Optional Operation Configurations

Instructions for Two Thermistor, Air Volume, and Group Control.

Plasma Air Cleaner Installation

Steps for installing the optional plasma air cleaner unit.

Electronic Control Device Diagrams

Ceiling Cassette Type Main PCB

Diagram of the main PCB for ceiling cassette indoor units.

Ceiling Duct Type Main PCB

Diagram of the main PCB for ceiling duct indoor units.

Ceiling & Floor Type Main PCB

Diagram of the main PCB for ceiling & floor indoor units.

Schematic Diagrams

Ceiling Cassette Type Schematics

Detailed circuit diagrams for ceiling cassette indoor units.

Ceiling Duct Type Schematics

Detailed circuit diagrams for ceiling duct indoor units.

Ceiling & Floor Type Schematics

Detailed circuit diagrams for ceiling & floor indoor units.

Exploded View and Replacement Parts List

Indoor Unit Parts Identification

Exploded views and part numbers for various indoor units.

Outdoor Unit Parts Identification

Exploded views and part numbers for various outdoor units.

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