Advertisement

Quick Links

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: WALL MOUNTED
EN ENGLISH
MFL71686910
Rev.02_120721
Copyright © 2021 LG Electronics Inc. All Rights Reserved
www.lg.com

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the PS-Q20SNZE and is the answer not in the manual?

Questions and answers

Summarization of Contents

SAFETY INSTRUCTIONS
Understanding Safety Symbols and Warnings
Explains the meaning of symbols and hazard levels like WARNING and CAUTION.
IMPORTANT SAFETY INSTRUCTIONS
Household and Installation Safety
Safety guidelines for children, installation location, and securing components.
Operation and Maintenance Safety
Safe Operation Practices
Guidelines for safe daily use, handling cables, and environmental considerations.
Operation Precautions
Handling Cables and Flammable Substances
Safety advice for handling cables, flammable substances, and thunderstorms.
Technical and Maintenance Safety
Safety for Repair and Refrigerant Handling
Safety requirements for cleaning, repair, and refrigerant handling.
Electrical Safety and Storage
Grounding, Wiring, and Storage Guidelines
Rules for proper grounding, wiring, storage, and disposal of refrigerants.
CAUTION SAFETY INSTRUCTIONS
Installation and Operation Cautions
Cautions for installation regarding environmental exposure and safe operation practices.
Cautionary Notes on Usage
Maintenance and Usage Cautions
Cautions for cleaning, avoiding special uses, and battery handling.
Disposal of Your Old Appliance
E-waste Rules and Hazards
Guidance on recycling, disposal, and the risks of improper handling of e-waste.
OPERATION
Energy Saving Tips
Recommendations for efficient energy usage and maintaining performance.
Parts and Functions Overview
Identifies and labels the key parts of the indoor and outdoor units.
Wireless Remote Control
Remote Control Setup and Usage
Instructions for inserting batteries, operating, and installing the remote holder.
Basic Operation Settings
Setting Current Time and Temperature Units
How to set the current time and switch between Celsius and Fahrenheit.
Manual Unit Operation
How to operate the air conditioner using the unit's buttons when the remote is unavailable.
Remote Control Functions
Remote Control Buttons and Display
Explains buttons like Mode, Fan Speed, and their display indicators.
Remote Control Advanced Functions
Special Function Controls
Details on Timer, Sleep, Comfort Air, Diagnosis, and other special functions.
Operating Modes and Restart
Restarting Air Conditioner Automatically
How to manage the auto restart feature after a power failure.
Selecting Operating Modes
Guide to using Cooling, Dehumidification, Fan, and Heating modes.
Mode Function Details
Dehumidification and Heating Operations
Specifics on using dehumidification for humid environments and setting heating temperatures.
Fan Mode Operation
How to operate the unit in fan-only mode for air circulation.
Advanced Operation Features
H'Capa for Quick Cooling
Steps to activate the H'Capa function for rapid cooling.
Adjusting Fan Speed
How to select different fan speeds for optimal airflow.
Airflow Control and Timers
Adjusting Air Flow Direction
How to control the vertical and horizontal airflow direction.
Setting and Canceling On/Off Timers
Instructions for scheduling unit turn on/off times and canceling them.
Timer and Sleep Functions
Setting and Canceling Off Timers
Instructions for scheduling unit turn off times and canceling them.
Activating Sleep Mode
How to activate the sleep mode for comfortable night operation.
Timer and Energy Monitoring
Using the Simple Timer Function
How to set a simplified timer for automatic turn-off.
Displaying Energy Usage
How to view current and cumulative electricity consumption.
Convenience and Energy Saving Features
Display Brightness Control
How to turn the indoor unit display screen on or off.
Comfort Air and AC+4 Functions
How to adjust comfort vane and power input for energy saving.
Smart and Special Functions
Al Convertible Mode Operation
How the unit automatically adjusts settings for optimal comfort.
Special Functions Overview
Details on Ion Generator, Noise Reduction, and Air Purification functions.
Advanced Air Quality and Noise Control
Air Purification and Silent Functions
How to use air purification and silent mode for improved air quality and reduced noise.
Auto Clean Function
How the auto clean function removes moisture from the indoor unit.
SMART FUNCTIONS AND CONNECTIVITY
LG ThinQ Application Setup
Guide to installing and setting up the LG ThinQ smartphone application.
Preparing for ThinQ Application
Steps to check before connecting the appliance to the Wi-Fi network.
LG ThinQ Application Installation
Downloading and Installing the App
Instructions for obtaining and installing the LG ThinQ app from app stores.
Open Source Software Notice
License Information
Details on open source licenses and where to find related information.
Appliance Diagnosis Methods
Smart Diagnosis via App
How to use the LG ThinQ app to diagnose issues remotely.
Audible Diagnosis Procedure
Steps for using audible signals and a smartphone for diagnosis.
MAINTENANCE
General Maintenance and Warnings
Crucial safety warnings before performing any cleaning or maintenance.
Maintenance Schedule and Procedures
Filter Cleaning Intervals and Methods
Recommended intervals and steps for cleaning various types of air filters.
Unit Cleaning and Component Care
Procedures for cleaning unit surfaces, outdoor components, and replacing batteries.
Clean the Air Filter
Air Filter Cleaning (Type 1)
Step-by-step guide for cleaning the air filter on Type 1 indoor units.
Air Filter Cleaning (Type 2)
Step-by-step guide for cleaning the air filter on Type 2 indoor units.
Clean Micro Dust, Triple, and Allergy Filters
Cleaning Optional Filters (Type 1 & 2)
Instructions for cleaning optional filters on Type 1 and Type 2 units.
TROUBLESHOOTING
Self-Diagnosis and Pre-Service Checks
How to interpret self-diagnosis errors and perform initial checks before service.
Troubleshooting Common Problems
Cooling, Fan, and Temperature Issues
Solutions for problems like no cool air, fan speed, temperature, or unit stopping.
Troubleshooting Other Issues
Mist, Leaks, Noise, Odor, and Warm Air
Addresses mist, leaks, noise, odor, and warm air issues in heating mode.
Troubleshooting Connectivity Issues
Wi-Fi Connection Problems
Steps to resolve issues when the appliance cannot connect to the Wi-Fi network.

Table of Contents