LG LSN120HEV2 User Manual

OWNER’S MANUAL
www.lg.com
MFL69491103
Rev.07_062220
AIR CONDITIONER
Read this owner’s manual thoroughly before operating
the appliance and keep it handy for reference at all
times.
Copyright © 2018 - 2020 LG Electronics Inc. All Rights Reserved
ENGLISH
TYPE: WALL MOUNTED

LG LSN120HEV2 Specifications

General

Heating Seasonal Performance Factor (HSPF)	10.0
Refrigerant	R410A
Cooling Capacity	12000 BTU/h
Operating Temperature (Cooling)	18°C to 46°C
Operating Temperature (Heating)	-15°C to 24°C
Outdoor Unit Dimensions (W x H x D)	780 x 540 x 290 mm
Outdoor Unit Weight	30 kg

Summary

Safety Instructions

Important Safety Instructions

Key safety guidelines to prevent hazards like explosion, fire, electric shock, and injury.

Operation

Notes for Operation

Guidance on efficient and effective use of the air conditioner, including energy-saving tips.

Parts and Functions

Identification and description of indoor and outdoor unit components and their roles.

Wireless Remote Control Installation

Instructions for inserting batteries, operating the remote, and installing its holder.

Setting the Current Time

Steps to set the current time on the air conditioner, essential for timer functions.

Manual Operation Without Remote

Procedure to operate the unit using the ON/OFF button on the indoor unit when the remote is lost.

Remote Control Button Functions

Detailed explanation of various buttons on the remote control and their corresponding functions.

Auto Restart Function Management

How to disable and re-enable the auto-restart function after a power failure.

Using the Mode Function

Guide to selecting different operating modes like Cooling, Heating, and Fan.

Auto Operation (AI) Mode

Explanation of the mode that automatically adjusts fan speed and temperature based on room conditions.

Auto Changeover Mode (Cooling & Heating)

Description of the mode that automatically maintains set temperature by switching between cooling and heating.

Dehumidification Mode

How to use the mode to remove excess moisture and prevent mildew.

Heating Mode

Instructions for operating the air conditioner in heating mode, including defrosting indications.

Fan Mode

How to use the mode that circulates indoor air without changing room temperature.

Using the Jet Mode Function

Procedure to quickly cool or warm the indoor air using the Jet Mode.

Fan Speed Adjustment

How to adjust the fan speed using the remote control buttons.

Air Flow Direction Adjustment

Instructions on adjusting the vertical and horizontal air flow direction.

On/Off Timer Setting

Steps to set automatic timer for turning the air conditioner on or off.

Canceling Timer Settings

How to cancel a previously set timer for the air conditioner.

Sleep Function (Optional)

How to set the function that automatically turns off the AC when you go to sleep.

Simple Timer Function (Optional)

How to set a simple timer to turn off the air conditioner automatically.

Energy Display Function (Optional)

How to display current and cumulative energy usage of the air conditioner.

Light Off Function (Optional)

How to adjust the brightness of the indoor unit display screen.

Comfort Air Function (Optional)

How to set the vane to deflect air away from occupants for comfortable airflow.

Energy Saving Function (Optional)

How to minimize power consumption by adjusting temperature settings automatically.

Energy Control Function (Optional)

How to adjust power input in steps for energy saving.

Special Functions Overview

Overview of special functions like Ionizer, Mosquito Away, and Sleep Environment.

Canceling Special Functions

How to cancel specific special functions that have been activated.

Air Purification Function

Explanation of how the Ionizer and Plasma functions provide clean and fresh air.

Silent Function

How to reduce noise from outdoor units for neighborly claims.

Ion Care Function

How the function moisturizes skin by generating ion clusters.

Jet Dry Function

How to maximize dehumidification performance using the Jet Dry function.

Low Heating Function

How to maintain minimum room temperature to prevent freezing in unoccupied rooms.

Mosquito Away Function

How the function uses high-frequency waves to deter mosquitoes.

Auto Clean Function

How the function removes moisture from the indoor unit to prevent odor.

Comfort Sleep Function (Optional)

How the function optimizes the environment for comfortable sleep.

Smart Functions

LG ThinQ Application Overview

Introduction to the LG ThinQ app for smartphone communication with the appliance.

Smart Diagnosis™ Feature

How to use the smart diagnosis feature to diagnose and solve appliance problems.

Installing the LG ThinQ Application

Steps to download and install the LG ThinQ application from app stores.

LG ThinQ and Audible Diagnosis Methods

Using LG ThinQ app and audible diagnosis to troubleshoot appliance issues.

Maintenance

General Maintenance Precautions

Safety warning before maintenance and advice on drying the unit for extended periods.

Maintenance Schedule and Intervals

Table detailing types of filters, components, and their recommended cleaning intervals.

Cleaning the Air Filter

Step-by-step guide for cleaning the air filter for Type 1 and Type 2 indoor units.

Cleaning Micro Dust and Triple Filters

Instructions for removing and cleaning optional micro dust and triple filters.

Troubleshooting

Self-Diagnosis Function

Explanation of the built-in self-diagnosis function for error detection.

Troubleshooting Before Service Call

Checks to perform before contacting a service center for common air conditioner issues.

Troubleshooting Common Air Conditioner Issues

Troubleshooting for issues like no cool air, fan speed not adjustable, and temperature issues.

Troubleshooting Additional Scenarios

Solutions for unit operation, mist, leaks, noise, and odors.

Wi-Fi Connection Troubleshooting

Troubleshooting steps for problems connecting the appliance and smartphone to the Wi-Fi network.

Warranty (USA)

US Warranty: Arbitration and Dispute Resolution

Information on the arbitration provision for resolving disputes between you and LG.

US Warranty: Legal Aspects and Opt-Out

Details on governing law, fees, hearing locations, and opting out of US warranty dispute resolution.

Warranty (CANADA)

Canadian Warranty: Arbitration and Dispute Resolution

Information on arbitration for Canadian products, including dispute resolution procedures.

Canadian Warranty: Legal Aspects and Opt-Out

Details on governing law, fees, hearing locations, and opting out of Canadian warranty dispute resolution.

Warranty Service Contact Information

Warranty Service Contact Information (US & Canada)

Contact details for obtaining warranty service in the US and Canada.