Table of Contents
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OWNER'S MANUAL
AIR CONDITIONER
Read this owner's manual thoroughly before operating the
appliance and keep it handy for reference at all times.
TYPE : WINDOW
EN ENGLISH
SP ESPAÑOL
LW1516ER
LW1521ERSM
LW1816ER
LW1821ERSM
LW2516ER
LW2521ERSM
*MFL70960606*
MFL70960606
Rev.04_082820
Copyright © 2017 - 2020 LG Electronics Inc. All Rights Reserved.
www.lg.com
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Table of Contents
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Summarization of Contents
Safety Instructions
Important Safety Instructions
Crucial safety directives for operating the appliance, covering warnings and precautions.
Product Overview
Exterior Parts
Identification and description of the external components of the air conditioner unit.
Interior Parts
Identification and description of the internal components of the air conditioner unit.
Installation
Electrical Data
Technical specifications for power supply, circuit requirements, and plug types for safe installation.
Parts Included (Appearance May Vary)
List and illustration of all components provided with the air conditioner for installation.
Tools Needed
List of necessary tools required for the proper installation of the air conditioner.
How to Install the Unit
Step-by-step instructions for correctly mounting and positioning the air conditioner in a window.
Storm Window Requirements
Specific considerations and adaptations needed when installing the unit in windows with storm window frames.
Window Requirements
Specifications for window size and opening needed for the air conditioner's proper fit and installation.
Preparation of Cabinet
Steps involved in preparing the air conditioner's cabinet and accessories before final unit installation.
Cabinet Installation
Detailed instructions for physically securing the air conditioner cabinet within the window opening.
Unit Installation
Final steps for inserting and securing the air conditioner unit into its installed cabinet.
Operation
Control Panel and Remote Control
Overview of the appliance's control panel buttons and the functions of the remote control.
Clean Filter
Instructions on how to clean the air filter and reset the filter indicator light.
Temperature Control
How to adjust the desired room temperature using the thermostat settings.
Wireless Remote Control
Guidance on inserting the battery into the remote control and its proper use.
Ventilation
Explanation of how to use the ventilation lever to control fresh air intake.
Air Direction
Instructions on adjusting the horizontal and vertical airflow louvers for optimal air distribution.
Additional Features
Description of special features like the slinger fan for improved efficiency.
Smart Functions
LG ThinQ Application
Information about connecting and using the LG ThinQ app with the air conditioner for smart control.
Smart Diagnosis
How to use the Smart Diagnosis feature to identify and troubleshoot appliance issues.
Settings
Options for configuring appliance and application settings via the LG ThinQ app.
FCC Notice
FCC RF Radiation Exposure Statement
Compliance statement regarding radio frequency exposure limits for the device.
Wireless LAN Module Specifications
Technical details of the wireless module, including frequency range and output power.
Maintenance
Air Filter
Instructions for checking and cleaning the air filter to maintain cooling performance.
Cleaning the Air Conditioner
Steps for cleaning the exterior parts of the air conditioner unit.
Troubleshooting
Before Calling for Service
Preliminary checks and common issues to address before contacting customer support.
Normal Sounds You May Hear
Explanation of typical operational sounds that are not indicative of a malfunction.
Warranty
Arbitration Notice
Legal notice regarding dispute resolution through binding arbitration instead of court.
What This Warranty Covers
Details on what defects and conditions are covered under the limited warranty.
Warranty Period
Specifies the duration of the warranty for parts and labor from the date of purchase.
How Service Is Handled
Information on how in-home service is provided during the warranty period.
This Limited Warranty Does Not Cover
List of exclusions and conditions not covered by the product warranty.
For Your Records
Section for users to record essential information like model and serial numbers for warranty purposes.
Procedure for Resolving Disputes
Outlines the formal process for handling disputes and claims under the warranty.
Need help?
Do you have a question about the LW1521ERSM and is the answer not in the manual?
Questions and answers