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LG Room
Air Conditioner
OWNER'S MANUAL
MODELS: SU/SZ/S3 Chassis
website http://www.lgservice.com
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
Prior to installation, this air-
conditioning unit must be
submitted for approval by the
utility service which provides
electricity (EN 61000-2,
EN 61000-3 Norm).
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Summarization of Contents
Safety Precautions
Installation Safety
Covers grounding, power cord use, professional installation, and securing covers.
Operation Safety
Discusses safe outlet usage, power cords, and handling unit malfunctions.
Cautions and Warnings
Highlights CAUTION warnings and specific installation precautions from page 6.
Prior to Operation
Preparation and Usage
Steps before use, including installation, circuit checks, and safe usage guidelines.
Cleaning and Maintenance
Instructions for cleaning filters and internal parts safely.
Service Information
Guidance on contacting authorized dealers for repair and maintenance.
Introduction
Manual Symbols and Features
Explains warning symbols and illustrates indoor/outdoor unit components.
Electrical Safety
Grounding and Plug Safety
Emphasizes proper grounding and warns against modifying plugs.
Adapter/Extension Cord Use
Discourages adapters and extension cords due to potential safety hazards.
Operating Instructions
Remote Control Overview
Covers battery insertion, remote storage, and operation indicating lamps.
Remote Control Operations
Detailed explanation of buttons and their functions on the remote control.
Operational Modes
Guides for Cooling, Auto, Dehumidification, Heating, and CHAOS modes.
Special & Additional Features
Covers Jet Cool, NANO PLASMA, 2nd F, Sleep Mode, Timing, Airflow, Auto Clean, and Luminosity.
Advanced Operations
Explains Forced Operation, Test Operation, Auto Restart, and helpful information.
Maintenance and Service
Indoor Unit Maintenance
Step-by-step guide for cleaning the indoor unit and its filters.
Outdoor Unit & Filter Cleaning
Instructions for checking outdoor unit vents and cleaning filters.
Common Problems and Solutions
Addresses issues like non-operation, weak cooling, and normal operating sounds.
Troubleshooting Guide
A table listing problems, possible causes, and solutions for abnormal operation.
Need help?
Do you have a question about the SZ and is the answer not in the manual?
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