TABLE OF CONTENTS This manual may contain images or content that may be different from the model you purchased. This manual is subject to revision by the manufacturer. SAFETY INSTRUCTIONS READ ALL INSTRUCTIONS BEFORE USE ............ 4 Safety Messages....................4 WARNING INSTRUCTIONS ................. 4 Technical Safety....................4 Installation ......................6 Operation ......................7...
Page 3
Auto Clean Function (On Some Models)............30 SMART FUNCTIONS LG ThinQ Application ................31 LG ThinQ Application Features.................31 Before Using LG ThinQ Application ..............31 Installing LG ThinQ Application................32 Wireless LAN Module Specifications..............32 Diagnosis Using LG ThinQ ............... 32 Using LG ThinQ to Diagnose Issues..............32 MAINTENANCE Cleaning.....................
SAFETY INSTRUCTIONS SAFETY INSTRUCTIONS READ ALL INSTRUCTIONS BEFORE USE The following safety guidelines are intended to prevent unforeseen risks or damage from unsafe or incorrect operation of the appliance. The guidelines are separated into ‘WARNING’ and ‘CAUTION’ as described below. Safety Messages This symbol is displayed to indicate matters and operations that can cause risk.
Page 5
SAFETY INSTRUCTIONS understand the hazards involved. Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision. • This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
• Do not install the product on a defective installation stand. • Be sure the installation area does not deteriorate with age. • Be sure to only use accessories made by LG which are specifically designed for use with the equipment and have them installed by a professional.
SAFETY INSTRUCTIONS • Do not use a multiple socket, extension power cable or adapter with this appliance. • The indoor/outdoor wiring connections must be secured tightly, and the cable should be routed properly so that there is no force pulling the cable from the connection terminals.
SAFETY INSTRUCTIONS • Be sure to ventilate sufficiently when the air conditioner and a heating appliance such as a heater are used simultaneously. • Do not block the inlet or outlet of airflow. • Cut off the power supply if there is any noise, smell, or smoke coming from the air conditioner.
SAFETY INSTRUCTIONS Refrigerant • Follow the standards of the corresponding region or country for handling the refrigerant and the air conditioner and for disassembling the air conditioner. • Use only the refrigerant specified on the air conditioner label. • Do not input air or gas into the system except the specified refrigerant.
SAFETY INSTRUCTIONS • Install the air conditioner in a place where the noise from the outdoor unit or the exhaust fumes will not inconvenience the neighbours. • Safely dispose of packing materials such as screws, nails, plastic bags or batteries using proper packaging after installation or repair. •...
SAFETY INSTRUCTIONS • Be cautious that water could not enter the product. • Make sure that there are no obstacles close to the outdoor unit. The presence of obstacles close to the outdoor unit may reduce the performance of outdoor unit or increase its operating sound. •...
OPERATION OPERATION Before Use Notes for Operation • Adjust the direction of the airflow vertically or horizontally to circulate indoor air. • Speed up the fan to cool or warm indoor air quickly, within a short period of time. • Turn off the appliance and periodically open windows for ventilation. The indoor air quality may deteriorate if the appliance is used for long periods.
OPERATION Product Overview Wall-Mounted Unit Air Filter Reduces dust in the air. Air Intake Vents Takes in air from the room. Air Outlet Vents Circulates air back into the room at the desired temperature. Air Deflector (Up-Down Vane) Adjusts the airflow direction up or down. Air Deflector (Left-Right Louver) Adjusts the airflow direction left or right.
OPERATION Display You can check various functions of the product in the indoor unit display. Segment Display Displays the set temperature and sub functions. Defrost Operation Displays when the defrost function is operating. Power and Auto Restart Displays when the product turns on or operates. Displays when the product sets or cancels the auto restart function.
OPERATION When the appliance beeps twice, release the NOTE Power button . The lamp will flash. This • The stepping motor may be broken, if the up- repeats 4 times. down vane opens rapidly. • The fan speed is set to high by default. •...
OPERATION Setting the Current Time on the Reattach the cover by sliding it back into Wireless Remote Control position. Insert the batteries. • The time flashes at the bottom of the display screen. NOTE • When the wireless remote control display begins to fade, replace the AAA (1.5 V) batteries.
OPERATION Wireless Remote Control Overview Wireless Remote Control Use the wireless remote control to operate the appliance more conveniently.
Page 18
OPERATION Buttons Image Description COMFORT AIR Adjusts the airflow to deflect wind Power Turns the appliance on/off LIGHT OFF Turns the indoor unit display on or off MODE Selects the desired operating mode • Each press changes the modes in this order: Cooling Auto Dehumidification Heating...
Page 19
OPERATION Image Description ROOM TEMP (Room Temperature) Displays the room temperature DIAGNOSIS [5s] Press and hold the ROOM TEMP (Room Temperature) button for about 5 seconds to easily check the check maintenance information of an appliance. FUNC. (Function) Sets the various function or changes the temperature unit Timer Setting Adjusts the time on the display SET/CANCEL...
Page 20
OPERATION Icons Cooling Mode Dehumidification Mode Heating Mode Fan Mode Auto Mode Up-Down Swing Left-Right Swing Energy Control Function Energy Saving Function Room Temperature Desired Temperature Adjusting the Fan Speed Air Purification Function Mosquito Away Function Silent Function Ion Care Function Jet Dry Function Low Heating Function Gen Mode (Running the appliance on a...
OPERATION Using Wireless Remote Press the MODE button repeatedly to select Control the desired mode. Operating with the Wireless Remote Control Point the wireless remote control towards the signal receiver at the right side of the appliance to operate it. Icon Description Cooling Mode...
OPERATION • Dehumidification, Fan Mode: There is no - To change the temperature, press the temperature control. button to set the desired temperature. • Jet Heating Mode Strong warm air blows out for 30 minutes. After 30 minutes, the temperature is maintained at 30 by default.
OPERATION Adjusting the Left-Right Direction Wireless Indoor Unit Speed Remote • Press the SWING (Left-Right Swing) button Icon Control Icon repeatedly to adjust airflow direction. Natural Wind - Select to adjust the left-right direction of the airflow automatically. NOTE • The Natural Wind fan speed setting adjusts the speed automatically.
OPERATION Press the COMFORT AIR button repeatedly Press the button to set the desired and select the desired direction. time. Press the SET/CANCEL button to stop the icon from flashing. • After setting the timer, the current time and NOTE On Timer icon are displayed on the display •...
Page 25
OPERATION • After setting the timer, the current time and Press the SET/CANCEL button to cancel the Off Timer icon are displayed on the display setting. screen indicating that the desired time is set. Setting the Off Timer NOTE This function can be set when the appliance is turned on or off.
OPERATION Cancelling the Timer Setting Press the SET/CANCEL button to stop the icon from flashing. • Press the CANCEL button to cancel all timer settings. • The Sleep function icon is displayed on the display screen. Sleep Function (On Some NOTE Models) •...
OPERATION • If the brightness of an indoor unit's display is set • Capacity may decrease when the Energy Saving to off, pressing a button on the wireless remote function is selected. control automatically turns the display on for a •...
OPERATION Special Functions Overview Special Functions Icon Description Air Purification Functions The Ion generator uses millions of ions to help improve indoor air quality. Auto Clean Function Reduces moisture generated inside the indoor unit NOTE • Some functions may not be supported, depending on the model. •...
OPERATION Using Special Functions Press the SET/CANCEL button to cancel the function. Setting and Cancelling Special Functions Setting the Special Functions Turn the appliance on. Press the FUNC. (Function) button repeatedly Air Purification Functions (On to select the desired function. Some Models) You can supply clean and fresh air using ion particles and the filter.
OPERATION Auto Clean Function (On Some Models) In the Cooling and Dehumidification modes, moisture is generated inside the indoor unit. You can reduce that moisture. NOTE • Some functions cannot be used while the Auto Clean function is in operation. •...
To check your network frequency, contact your Internet service provider or refer to your wireless router manual. Before Using LG ThinQ • LG ThinQ is not responsible for any network Application connection problems or any faults, malfunctions, or errors caused by network Check the distance between the appliance and connection.
LG ThinQ application. recommended) and register the product again. • Launch the LG ThinQ application and select the Smart Diagnosis feature in the menu. Follow the instructions provided in the LG ThinQ Installing LG ThinQ Application application.
MAINTENANCE MAINTENANCE Cleaning Cleaning Interval WARNING • Before cleaning or performing maintenance, disconnect the power supply and wait until the fan stops. Cleaning the Appliance If the appliance will not be used for an extended period of time, dry the appliance to maintain it in the best condition.
Page 34
MAINTENANCE Type Description Interval Have a professional clean the heat exchanger coils and the Once a year panel vents. (Consult with technician.) Have a professional clean the fan. Once a year Outdoor unit Have a professional clean the condensate drain pan. Once a year Have a professional verify that all the fan assembly is firmly Once a year...
MAINTENANCE Cleaning the Air Filter Dry the filter in the shade. NOTE • Do not bend the air filter, as it may break. • Assemble the air filter properly to prevent dust and other substances from entering the product. Turn off the power to the appliance. Insert the tabs on the air filter into the slots on the back of the front panel.
TROUBLESHOOTING TROUBLESHOOTING Before Calling for Service Please check the following before you contact the service centre. If the problem persists, contact your local service centre. NOTE • Some functions may not be supported, depending on the model. Self-Diagnosis Function This appliance has a built-in Self-Diagnosis function. If an error occurs, the LED of the indoor unit will flash in 2-second intervals.
Page 37
TROUBLESHOOTING Symptoms Possible Cause & Solution The fan speed cannot The airflow generated by the air conditioner may be automatically be adjusted. adjusted during operation. • When the air conditioner reaches the set temperature, it reduces the airflow rate to avoid generating cool airflow when heating, or to minimize energy consumption and indoor humidity change when cooling.
Page 38
TROUBLESHOOTING Symptoms Possible Cause & Solution The appliance does not Air is not circulating properly. emit cool air. • Make sure that there are no curtains, blinds, or pieces of furniture blocking the front of the appliance. The air filter is dirty. •...
TROUBLESHOOTING Symptoms Possible Cause & Solution The air conditioner When the appliance reaches the desired temperature, the airflow rate changes generated reduces in order to avoid generating cool airflow during heating, or to airflow during minimize energy consumption and indoor humidity change during operation.
• Find the Wi-Fi network connected to your smartphone and remove it, then connected to the Wi-Fi register your appliance on LG ThinQ. network. Mobile data for your smartphone is turned on. • Turn off the Mobile data of your smartphone and register the appliance using the Wi-Fi network.