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 Notes for Flammable Refrigerant ..............5 WARNING INSTRUCTIONS .................
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Air Purification (On Some Models) ..............30 Turning On or Off the Appliance's Display............30 SMART FUNCTIONS LG ThinQ Application ................31 LG ThinQ Application Features.................31 Before Using LG ThinQ Application ..............31 Installing LG ThinQ Application................32 Open Source Software Notice Information ............32 Radio Equipment Specifications...............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.
SAFETY INSTRUCTIONS Notes for Flammable Refrigerant The following symbols are displayed on units. This symbol indicates that this appliance uses a flammable refrigerant. If the refrigerant is leaked and exposed to an external ignition source, there is a risk of fire. This symbol indicates that the Owner's Manual should be read carefully.
SAFETY INSTRUCTIONS • Installation or repairs made by unauthorized persons can pose hazards to you and others. • The information contained in the manual is intended for use by a qualified service technician who is familiar with the safety procedures and equipped with the proper tools and test instruments.
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• 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 Operation • Do not modify or extend the power cable. Scratches or peeling insulation on the power cables may result in fire or electric shock, and should be replaced. • Make sure that the power cable is neither dirty, loose, nor broken. •...
SAFETY INSTRUCTIONS Wireless Remote Control • Never mix different types of batteries, or old and new batteries for the remote control. • Do not recharge or disassemble the batteries. • Dispose of the batteries in a place where there is no danger of fire. •...
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SAFETY INSTRUCTIONS • In the case of refrigerant leakage, consult the dealer. When the air conditioner is to be installed in a small room, it is necessary to take proper measures so that the amount of any leaked refrigerant does not exceed the limiting concentration even when it leaks.
SAFETY INSTRUCTIONS CAUTION INSTRUCTIONS CAUTION • To reduce the risk of minor injury to persons, malfunction, or damage to the product or property when using this product, follow basic precautions, including the following: Installation • Transport the air conditioner with two or more people or use a forklift.
SAFETY INSTRUCTIONS unit, such animals can cause malfunctions, smoke or fire if they come into contact with electrical parts. • Do not let the air conditioner run for a long time when humidity is very high or when a door or a window has been left open. •...
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SAFETY INSTRUCTIONS • When the product is not to be used for a long time, disconnect the power supply plug or turn off the breaker. • Do not tilt the unit when removing or uninstalling it. The condensed water inside can spill. •...
OPERATION OPERATION Before Use Notes for Operation • Adjust the direction of the airflow vertically 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 4 Way Cassette Operating Status Lamp and Remote Control Receiver Displays the operating status and contains the receiver for the wireless remote. Forced Operation Button Operates the product when the remote control can't be used. Air Intake/Air Filter •...
OPERATION Display • This function is useful in the case of power failure. • This function is enabled by the factory default settings. • If you want to set or disable the auto restart function, press and hold the Forced Operation Button for 15 seconds.
Follow these steps to see a detailed guide for using the product with the remote control. Click the below website address. NOTE • www.lg.com • When the wireless remote control display begins to fade, replace the AAA (1.5 V) batteries. Insert the model name in the search box.
OPERATION • The time can be adjusted 10 minutes by NOTE pressing and holding the button. • If other appliances are accidentally affected by the remote controller, change their position or consult your serviceman. Setting the Current Time on the Wireless Remote Control Press the SET/CLEAR button to complete the NOTE...
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OPERATION Press and hold the ROOM TEMP button for 5 seconds to change units between ℃ and ℉.
OPERATION Wireless Remote Control Overview Wireless Remote Control Use the wireless remote control to operate the appliance more conveniently.
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OPERATION Buttons Image Description FUNC.(Function) Sets the various function or changes the temperature unit • Each press changes the models in this order: Auto Clean Energy Saving Cooling Smart Clean Comfort Cooling. VANE ANGLE Adjusts the vanes to direct the airflow from the air outlet PLASMA Supplies clean and fresh air by air purification filter NOTE...
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OPERATION Image Description SWING (Left-Right Swing) Adjusts the airflow direction left and right ROOM TEMP (Room Temperature) Displays the current room temperature SLEEP Operates the air conditioner in Sleep mode before turning it off automatically at the set time Reserves the time that the air conditioner is automatically turned on. Reserves the time that the air conditioner is automatically turned off.
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OPERATION Icons Cooling Mode Dehumidification Mode Heating Mode Fan Mode Auto Mode Up-Down Swing Left-Right Swing Sleep Timer Energy Saving Function Room Temperature Desired Temperature Adjusting the Fan Speed Smart Clean Function Auto Clean Function CAUTION • Aim at the signal receiver on the wired remote controller so as to operate. •...
OPERATION NOTE • When using the simultaneous operation system, the system will operate approximately 1 - 2 minutes after pressing the remote controller button. • The displayed temperature can be different from the actual room temperature if the remote controller is installed somewhere exposed to direct sunlight or is nearby a heat source.
OPERATION • Dehumidification, Fan Mode: There is no Code Description temperature control. A Little Hot Fan Mode • When running ventilation, compressor of AHU doesn't work. • Ventilation mode does not release cool wind but general fan. NOTE - Because it releases the wind that has no temperature difference from the room, it •...
OPERATION Press the JET COOL button. NOTE • The fan speed may be different according to the model. Adjusting the Airflow Direction You can adjust the direction of airflow vertically. Setting Up/Down Airflow Direction NOTE • Press the JET COOL, FAN SPEED, or ROOM Turn the appliance on.
OPERATION Press the button to select the desired Press the SET/CLEAR button. vane angle. • The air conditioner operates until the set time and then turns off automatically. On Timer Press the ON button while the air conditioner is operating. Timer Setting •...
OPERATION Cancelling the Timer Setting • Turn the air conditioner off. It will turn on automatically at the set time. • If you want to all timer settings, press the SET/ CLEAR button. - The timer display will go off. Off Timer Press the OFF button while the air conditioner NOTE...
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OPERATION Press the SET/CLEAR button to set the Press the SET/CLEAR button to set the function. function. Smart Cleaning (On Some Models) NOTE During the Smart Clean operation, a brush moves • Some functions cannot be used while the Auto back and forth across the filter to clean it.
Checking Room Temperature • Plasma filter is a technology developed by LG to get rid of microscopic contaminants in the intake Check the current room temperature. air by generating a plasma of highly charged •...
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 Electronics will also provide open source code to you on CD-ROM for a charge covering the cost of performing such distribution (such as the cost of media, shipping, and handling) upon email request to opensource@lge.com.
MAINTENANCE MAINTENANCE Cleaning Filter Type Water Interval Washing Cleaning Interval Deodorization 6 Months Filter *1 This filter is provided only when the air purifying front panel is installed. NOTE • Never use water that is hotter than 40 ℃ when you clean the filters.
MAINTENANCE Cleaning the Air Filter Removing the Filter Press the Knobs on both sides and open the WARNING front grille. • Wear gloves during the work. • Before cleaning or performing maintenance, disconnect the power supply and wait until the fan stops.
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MAINTENANCE Press the Clips on both sides and seperate Press the Fixing Handle and pull down the the bottom of the air filter from the front grille. upper side of PM1.0 Filter WARNING Remove the air filter. • Don't touch the PM1.0 Filter within 10 seconds after opening the front grille.
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MAINTENANCE Lift the PM1.0 Filter slightly and remove it from Dry the filter in the shade. the appliance. Cleaning the PM1.0 Filter and Deodorization Filter PM1.0 Filter Soak the PM1.0 filter in enough water to submerge it and shake it several times to clean it.
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MAINTENANCE Deodorization Filter Mount PM1.0 Filter on the hooks. Do not wash the deodorization filter with water and dry for about 3 hours under weak sunlight or fluorescent light. • Washing the filter with water could damage or deform it. Mounting the Filter Insert the Deodorization Filter into the...
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MAINTENANCE Push up the upper side of PM1.0 Filter and fix Insert the hooks on the upper side of the air to the appliance. filter into the holes. Insert the clips into the hooking holes on the bottom of front grile.
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MAINTENANCE Close up the front grille to the appliance. Press the centre of the left and right sides once. Fix the upper side of the front grille by pressing the knobs.
MAINTENANCE Cleaning the PM1.0 Sensor Wipe off any dust adhering to the lens using a cotton swab slightly moistened with water. Then wipe again with a dry cotton swab to NOTE remove moisture. • This process is applicable only when the air purifying front panel is installed.
MAINTENANCE • This will dry the internal mechanisms. Turn off the appliance. Turn off the breaker. NOTE • In case of using wireless remote controller, remove the batteries from the wireless remote controller. After Long Periods of Disuse Clean the air filter and reinstall it in the appliance.
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. Operation Symptoms Possible Cause & Solution The appliance does not Burning smell and strange sounds are coming from the appliance.
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TROUBLESHOOTING Symptoms Possible Cause & Solution The appliance stops The appliance is suddenly turned off. during operation. • The Off Timer function may have timed out, which turns the appliance off. Check the timer settings. Have you made a mistake in timer operation? •...
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TROUBLESHOOTING Symptoms Possible Cause & Solution The appliance does not The room temperature is too high. emit cool air. • In summer, cooling the indoor air fully may take some time. In this case, select the Jet mode to cool the indoor air quickly. The room may have been very hot when the room air conditioner was first turned on.
TROUBLESHOOTING Performance Symptoms Possible Cause & Solution The indoor unit is still The Auto Clean function is being operated. operating even when • Allow the Auto Clean function to continue since it reduces any remaining the appliance has been moisture inside the indoor unit. If you do not want this function, you can turned off.
• 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.