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OWNER'S MANUAL
AIR CONDITIONER
Please read this manual carefully before operating
your set and retain it for future reference.
TYPE : WALL MOUNTED
MODELS : ARNU07GSEA2, ARNU09GSEA2, ARNU12GSEA2
ARNU15GSEA2, ARNU18GS5A2, ARNU24GS5A2
ARNU07GSEL2, ARNU09GSEL2, ARNU12GSEL2
ARNU15GSEL2, ARNU18GS5L2, ARNU24GS5L2
P/NO : MFL67522505
www.lg.com
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Summarization of Contents
Safety Precautions
Installation Safety
Essential installation guidelines focusing on electrical safety, proper mounting, and environmental factors.
Safe Operation Practices
General Operation Safety
Key safety measures for operating the air conditioner, covering usage, power, and environmental conditions.
Cautionary Precautions
Installation Precautions
Specific warnings and safety advice for installing the unit, including refrigerant, noise, and environmental factors.
Operation Precautions
Important safety advice for operating the unit, covering skin exposure, cleaning, filters, and battery handling.
Prior to Operation
Preparing for Operation
Steps to take before operating the unit, including contacting an installer and using a dedicated circuit.
Usage Guidelines
Guidelines for using the air conditioner, including airflow exposure, ventilation, and special purpose restrictions.
Cleaning and Maintenance
Instructions for cleaning the unit, filter maintenance, and safety during cleaning procedures.
Service Information
Information on contacting service dealers for repair and maintenance.
Product Introduction
Indoor Unit Overview
A brief introduction to the indoor unit components and their functions.
Operation Indication Lamps
Explanation of the different indicator lamps and their meanings during operation.
Operating Instructions
Wired Remote Controller Functions (Accessory)
Detailed explanation of the functions and buttons of the wired remote controller.
Operating Instructions
Wired Remote Controller Functions (Optional)
Detailed explanation of the functions and buttons of the optional wired remote controller.
Operation Mode Flow
Diagram illustrating the different operation modes and their transitions.
Maintenance and Service
General Maintenance Precautions
Important cautions before performing maintenance, including water temperature and cleaning agents.
Air Filters Maintenance
Instructions for cleaning and maintaining air filters for optimal performance.
Plasma Filters Maintenance
Instructions for cleaning and maintaining plasma filters.
Deodorizer Filters Maintenance
Instructions for cleaning and maintaining deodorizer filters.
Filter Removal Procedure
Step-by-step guide on how to remove air, plasma, and deodorizer filters.
Maintenance and Service
Long Term Storage
Procedure for operating and preparing the unit when it will not be used for a long time.
Restarting After Long Term Storage
Steps to check and prepare the unit before using it again after a long period.
Operation Tips
Advice for efficient and effective operation, including temperature control and ventilation.
Before You Call for Service
Troubleshooting Tips
Common problems and solutions to help resolve issues before requesting service.
Important Notes
Key information regarding water resistance of the unit's components.
Need help?
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Questions and answers