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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 U4D0
Summarization of Contents
User Record and Manual Guidance
For Your Records
Section for recording model and serial numbers for warranty purposes.
Read This Manual
Guidance on how to use and maintain the air conditioner for optimal performance.
Precautionary Warnings
Safety precautions and warnings regarding the use of the air conditioner.
Comprehensive Safety Precautions
General Safety Symbols
Explanation of general warning symbols used in the manual.
Electrical Safety Guidelines
Temporary Use of an Adapter
Discouraged use of adapters due to potential safety hazards.
Temporary Use of an Extension Cord
Discouraged use of extension cords due to potential safety hazards.
Product Introduction and Features
Operation Indication Lamps
Explanation of the indicator lamps for system operation and status.
Operating Instructions
How to Insert Batteries
Step-by-step instructions for inserting batteries into the remote control.
Wireless Remote Controller Maintenance
Tips for proper placement and cleaning of the remote controller.
Operating Method
Instructions on how to aim and use the remote controller.
Remote Control Operation Details
Operation Mode Selection
How to select different operating modes like Cooling, Dehumidification, Heating.
Operation Procedure
Steps for operating the air conditioner using the remote control.
Cooling Operation Guide
Natural Wind by CHAOS Logic
Explanation of the CHAOS mode for natural breeze-like airflow.
Healthy Dehumidification Operation Mode
During Healthy Dehumidification Operation
Notes on how the dehumidification function automatically adjusts settings.
Heating Operation and Timer Settings
Heating Operation (Heat pump model only)
Instructions for operating the heating function on heat pump models.
Timer Control Setting
How to set the OFF Timer for the air conditioner.
Specialized Operation Modes
Jet Cool Operation
How to activate super high fan speed cooling for rapid temperature reduction.
Alternative Operation Methods
Forced Operation
How to operate the unit directly without the remote control.
Test Operation
Procedure for performing a test operation of the air conditioner.
Airflow and Functionality Adjustments
Vertical / Horizontal Airflow Direction Control
How to adjust the direction of airflow using the remote control.
Auto Restart Function
Explanation of the function that restores settings after power failure.
Maintenance and Service Procedures
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 coils and vents.
Long-Term Storage and Usage Tips
When the air conditioner is not going to be used for a long time
Steps to take when storing the air conditioner for extended periods.
Operation Tips
Recommendations for efficient and comfortable operation of the air conditioner.
Need help?
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Questions and answers