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LG A2UH186FA0 - User Manual

LG A2UH186FA0
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LG
Free Joint Multi Type
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.
MODEL Cooling Model Heating Model
• Outdoor Unit: A2UC146FA0 A2UH146FA0
A2UC186FA0 A2UH186FA0
A3UC216FA0 A3UH216FA0
A4UC306FA0 A4UH306FA0
• Indoor Unit: AMNC076LQL0 AMNH076LQL0
AMNC096LQL0 AMNH096LQL0/LQA0
AMNC126LRL0 AMNH126LRL0
AMNC186LTL0 AMNH186LTL0
AMNC246LTL0 AMNH246LTL0/LTA0
AMNC096AP*1 AMNH096AP*1
AMNC126AP*1 AMNH126AP*1

Questions and Answers

Summary

Safety Precautions

Installation Safety Guidelines

Guidelines for safe installation of the air conditioner unit.

Operational Safety Precautions

Precautions for safe operation and usage of the air conditioner.

Model Name Identification

Outdoor Unit Naming Convention

Explanation of model name structure for outdoor units.

Indoor Unit Naming Convention

Explanation of model name structure for indoor units.

Product Specifications

Outdoor Unit Heat Pump Specifications

Technical specifications for outdoor units in heat pump mode.

Indoor Unit Specifications

Technical specifications for indoor units in cooling and heating modes.

Combination Tables

Model Compatibility Charts

Indoor/outdoor unit compatibility and performance data.

Unit Dimensions

Indoor Unit Dimensions

Physical dimensions and measurements for indoor units.

Outdoor Unit Dimensions

Physical dimensions and measurements for outdoor units.

Refrigeration Cycle Diagrams

Unit Refrigeration Cycles

Diagrams illustrating the refrigeration cycle for various models.

Wiring Diagrams

Indoor Unit Wiring

Wiring diagrams specific to indoor units.

Outdoor Unit Wiring

Wiring diagrams specific to outdoor units.

Electronic Control Devices

Indoor Unit Electronics

Details and diagrams of indoor unit electronic control boards.

Outdoor Unit Electronics

Details and diagrams of outdoor unit electronic control boards.

Schematic Diagrams

Indoor Unit Schematics

Circuit schematic diagrams for indoor units.

Outdoor Unit Schematics

Circuit schematic diagrams for outdoor units.

Unit Functions

Indoor Unit Functions

Description of various functions of the indoor unit.

Remote Controller Functions

Functions and operations controlled by the remote controller.

Self-Diagnosis Function

Explanation of the self-diagnosis feature and error codes.

Operation Details

Main Unit Operations

Core operational modes and indicators of the main unit.

Fuzzy Operation Modes

Details on Fuzzy logic operation for cooling, dehumidification, and heating.

Timer and Sleep Operations

Explanation of timer settings and sleep mode operations.

Valve Procedures

Pumping Down & Evacuation

Procedures for system pumping down and evacuation.

Gas Charging Procedure

Procedure for charging the system with refrigerant.

Troubleshooting Guides

Cycle Troubleshooting

Analysis of cycle issues based on temperature and pressure readings.

Electronic Parts Troubleshooting

Troubleshooting steps for electronic components and unit operation.

Disassembly Procedures

Indoor Unit Disassembly

Step-by-step instructions for disassembling indoor units.

Exploded View & Parts Lists

Indoor Unit Parts Identification

Exploded views and part numbers for indoor units.

Outdoor Unit Parts Identification

Exploded views and part numbers for outdoor units.

LG A2UH186FA0 Specifications

General IconGeneral
RefrigerantR410A
Voltage (V)220-240
Cooling Capacity18000 BTU
Energy Efficiency Ratio (EER)12.0
Compressor TypeInverter
PhaseSingle
Hertz (Hz)50
Power Supply220-240V, 50Hz
Power Consumption (Cooling)1500 W

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