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LG A3UW186FA0 User Manual

LG A3UW186FA0
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LG
Multi Type Air Conditioner
SERVICE MANUAL
LG
CAUTION
website http://www.lgservice.com
• BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
• ONLY FOR AUTHORIZED SERVICE PERSONNEL.
MODEL
Indoor Unit:
Outdoor Unit: A2UW146FA0
A2UW146FA1
A2UW146FA2
A2UW166FA0
A2UW166FA1
A2UW186FA0
A3UW186FA0
A3UW186FA1
A3UW246FA0
A4UW246FA0
A4UW306FA0
A4UW306FA1
A6UW406FA0
Room Type
Art Cool Deluxe Type
Duct Type 1 Way CST
AMNH096BTG0
AMNH126BTG0
AMNH186BTG0
AMNH096BPA0
AMNH126BPA0
AMNH186BHA0
AMNH246BHA0
AMNC246BHA0
AMNH306BGA0
AMNC306BGA0
AMNH366BGA0
AMNC366BGA0
AMNH09GB1A0
AMNH12GB1A0
AMNH18GB2A0
AMNH24GB2A0
AMNH076LQL0
AMNH096LQL0
AMNH096LRL0
AMNH126LRL0
AMNH186LTL0
AMNH246LTL0
AMNH07GD4L0
AMNH09GD4L0
AMNH12GD4L0
AMNH18GD5L0
AMNH24GD5L0
AMNH096AP*1
AMNH126AP*1
AMNH076DZ*0
AMNH096DU*0
AMNH126DU*0
AMNH186D3*0
AMNH246D3*0
AMNH07GDZ*0
AMNH09GDU*0
AMNH12GDU*0
AMNH18GD3*0
AMNH24GD3*0
AMNH07GDE*0
AMNH09GDE*0
AMNH12GDE*0
AMNH096TCC0
AMNC096TCC0
AMNH126TCC0
AMNC126TCC0
AMNH09GTCC0
AMNH12GTCC0
4 Way CST
AMNH096TEC0
AMNH126TEC0
AMNH186TEC0
AMNH246TFC0
AMNH306TFC0
AMNH366TDC0
AMNH306TFA0
AMNC306TFC0
AMNC366TDC0
AMNH09GTEF0
AMNH12GTEF0
AMNH18GTEF0
AMNH24GTHF0
CVT
AMNH096VEA0
AMNH126VEA0
AMNH186VBA0
AMNH246VBA0
Art Cool Type

Table of Contents

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LG A3UW186FA0 Specifications

General IconGeneral
BrandLG
ModelA3UW186FA0
CategoryAir Conditioner
LanguageEnglish

Summary

Model Number Nomenclature

Indoor Unit Types

Details the classification and characteristics of various indoor unit types, including their chassis and capacity.

Outdoor Unit Types

Explains the nomenclature for outdoor units, covering heat pump models, multi-piping types, and distributor types.

Safety Precautions

Installation Safety

Crucial safety instructions for installing the unit, covering grounding, circuit breakers, and handling sharp edges.

Operational Safety

Essential safety guidelines for operating the unit, including precautions against water, flammable gases, and electrical hazards.

Dimensions

Indoor Unit Dimensions

Provides detailed physical dimensions (W, H, D) for various indoor unit types like Split, Art Cool, Duct, and Cassette.

Outdoor Unit Dimensions

Lists the physical dimensions (W, H, D, L1-L7) for different outdoor unit models to assist with installation planning.

Product Specifications

Indoor Unit Specifications

Comprehensive technical data for indoor units, including capacity, power, airflow, noise levels, and dimensions.

Installation

Select the best location of indoor unit

Guidelines for choosing an optimal installation site for indoor units, considering heat sources, air circulation, and aesthetics.

Connection of indoor unit piping

Detailed steps for connecting indoor unit piping and drain hoses, including insulation and routing requirements.

Connecting Pipings and the cable to Outdoor unit

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

Operation

Function of Indoor Unit

Explains the operational logic and features of indoor units, including sensors, indicators, and various modes like cooling, heating, and fuzzy.

Remote Control Operation

Guides on using the remote control for various operations, mode selections, fan speed adjustments, and timer settings.

Control Devices and Function

Simple Central Control

Describes the features and functionality of the simple central control system for managing multiple air conditioning units.

Deluxe Central Control

Details the advanced features, specifications, and system configuration of the Deluxe Central Control system.

Disassembly of the parts (Indoor unit)

1. Split Type Indoor unit

Step-by-step procedures for disassembling the Split Type indoor unit, covering grille, control box, and fan removal.

3. Art Cool Deluxe Type Indoor Unit(SZ,SU,S3)

Guide to disassembling Art Cool Deluxe indoor units (SZ, SU, S3), focusing on removing the grille and control box.

Schematic Diagram

1. Indoor Unit

Provides detailed electronic circuit diagrams for various indoor unit types, including Split, Art Cool, and Duct.

2. Outdoor Unit

Presents schematic diagrams for outdoor units, illustrating the electrical components and their interconnections.

3. Central control unit Schematic diagram

Displays the schematic diagram for the central control unit, illustrating its connections and components.

Troubleshooting Guide

Self-diagnosis Function

Explains the error codes and indicators for diagnosing faults in both indoor and outdoor units.

Electronic Parts Troubleshooting Guide

Troubleshoots common issues related to electronic parts, such as power supply, connectors, and sensors.

(3-way) Valve

(1) Pumping down

Detailed procedure for pumping down the refrigerant system, including valve operations and gauge checks.

(3) Gas Charging

Instructions for charging the system with refrigerant, covering gauge connections and procedures.

Exploded View & Replacement Parts List

Indoor Unit

Provides exploded views and part numbers for indoor unit components, facilitating part identification and replacement.

Outdoor Unit

Presents exploded views and part numbers for outdoor unit components, aiding in the identification and replacement of parts.

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