LG UQ09F User Manual

SINGLE CAC
Air Conditioner
SERVICE MANUAL(General)
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.
CONFIDENTIAL
Copyright © 2019 - 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.

LG UQ09F Specifications

General

Refrigerant	R32
Power Supply	220-240V, 50Hz
Operating Temperature (Cooling)	18-43°C
Type	Split Type
Cooling Capacity	9000 BTU/h
Air Flow (High)	360 m3/h

Summary

Part 1 General Information

1. Safety Precautions

Essential safety guidelines and warnings for operating and servicing the air conditioner.

Part 3 Basic Control

1. Normal operation

Explains the basic principles of normal operation and IPM control for system efficiency.

2. Compressor control

3. EEV( Electronic Expansion Valve) control

Part 4 Trouble Shooting

1. Self-diagnosis Function

Covers error indicators, codes, and troubleshooting flowcharts for indoor and outdoor units.

6. Electronic Parts

Guides troubleshooting for electronic components and system failures affecting operation.

6.6 Troubleshooting Indoor Error

Provides solutions for various indoor unit error codes and symptoms.

6.7 Troubleshooting Outdoor Error

Offers troubleshooting steps for common outdoor unit errors and faults.