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LG
Room Air Conditioner
OWNER'S MANUAL
MODELS: G09LH
G09LH
G12LH
G12LH
Dear Owner
Thank you for installing LG air conditioner.
Your best choice guarantees you a great
performance and service to make your life
comfortable & pleasant.
Visit us at http://www.lgservice.com
N4D3
U4D3
N4D0
U4D0
IMPORTANT
• Please read this owner's manual carefully and thoroughly
before installing and operating your room air conditioner.
• Please retain this owner's manual for future reference after
reading it thoroughly.
LG
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Table of Contents
Related Manuals for LG G12LH N4D0
Summarization of Contents
Safety Precautions
Meanings of Symbols
Explains symbols used to indicate risks and instructions in the manual.
Electrical Safety
Temporary Adapter Use
Provides guidelines for using adapters and warnings about potential hazards.
Temporary Extension Cord Use
Advises against using extension cords due to safety risks and installation regulations.
Product Introduction
Indoor Unit Overview
Provides an overview of the indoor unit, including display panel LED indicators.
Operation Indication Lamps
Explains the meaning of various indicator lamps on the unit during operation.
Outdoor Unit Overview
Provides an overview of the outdoor unit components and connections.
Operating Instructions
Battery Installation
Step-by-step guide on how to insert batteries into the remote controller.
Remote Controller Maintenance
Instructions on how to maintain and clean the wireless remote controller.
Operating Method
Basic instructions on how to operate the air conditioner using the remote control.
Cooling Operation
Explains how to operate the air conditioner in cooling mode, including settings and features.
Healthy Dehumidification Operation
Details the healthy dehumidification mode, its function, and operation.
Heating Operation
Guide for operating the unit in heating mode for heat pump models.
Jet Cool Operation
Instructions for using the Jet Cool function for rapid cooling.
Forced Operation
Explains how to operate the unit when the remote control is not usable.
Airflow Direction Control
How to adjust vertical and horizontal airflow direction using the remote control.
Auto Restart Function
Details the auto restart feature that restores settings after a power failure.
Maintenance and Service
Indoor Unit Maintenance
Instructions for cleaning the indoor unit and its air filters.
Outdoor Unit Maintenance
Guidance on checking and cleaning the outdoor unit's heat exchanger and vents.
Long-Term Storage
Procedures for preparing the air conditioner for extended periods of non-use.
Operation Tips
Practical advice for efficient and optimal use of the air conditioner.
Troubleshooting
Common issues, explanations, and solutions for air conditioner problems.
Need help?
Do you have a question about the G12LH N4D0 and is the answer not in the manual?
Questions and answers