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 : Single / Multi Ceiling Cassette 4-Way EN ENGLISH MFL69889206 Rev.10_092023 FR FRANÇAIS ES ESPAÑOL www.lghvac.com www.lg.com Copyright © 2017 - 2023 LG Electronics Inc. All rights reserved.
TABLE OF CONTENTS 3 SAFETY INSTRUCTIONS 3 3 READ ALL INSTRUCTIONS BEFORE USE IMPORTANT SAFETY INSTRUCTIONS 8 PRIOR TO OPERATION 8 Preparing for operation 9 OPERATION 9 10 12 13 14 15 15 17 19 21 22 22 22 Parts and Functions Wireless Remote Control Using the Mode Function Using the Auto Operation Function Using the Temperature Setting Function Using the Fan Speed Function Using the Air Flow Direction Function Using the Optional Function Using Special Functions Timer Functions Forced Operation T
SAFETY INSTRUCTIONS 3 SAFETY INSTRUCTIONS Your safety and the safety of others are very important. We have provided many important safety messages in this manual and on your appliance. Always read and follow all safety messages. ENGLISH READ ALL INSTRUCTIONS BEFORE USE This is the safety alert symbol. This symbol alerts you to potential hazards that can kill or injure you and others. All safety messages will follow the safety alert symbol and either the word WARNING or CAUTION.
SAFETY INSTRUCTIONS WARNING Installation • Contact the dealer to have the air conditioner installed. − Incomplete installation performed by yourself may result in a water leakage, electric shock, and fire. Power • Do not attempt to do electrical work or grounding work unless you are licensed to do so. Consult with the dealer for electrical work and grounding work. − There is a risk. • Do not modify or extend the power cable. − There is risk of fire or electric shock.
SAFETY INSTRUCTIONS • Do not turn off the power immediately after stopping operation. Always wait for at least five minutes before turning off the power. − Otherwise, water leakage may occur. • Be sure to use only those parts which are listed in the SVC parts list. Never attempt to modify the equipment. − The use of inappropriate parts can cause an electrical shock or fire. • Do not install the air conditioner at any place where flammable gas may leak out.
SAFETY INSTRUCTIONS CAUTION Installation • If the refrigerant gas leaks during the installation, ventilate the area immediately. − Such leakage it can be harmful for your health. • Always check for gas (refrigerant) leakage after installation or repair of product. − Low refrigerant levels may cause product failure. • Keep the product level, even when installing it. − This will help to avoid vibration or water leakage. • Use two or more people to lift and transport the product.
SAFETY INSTRUCTIONS • If the liquid from the batteries gets onto your skin or clothes, wash it well with clean water. Do not use the remote if the batteries have leaked. − The chemicals in batteries could cause burns or other health hazards. • If you ingest the liquid from the batteries, brush your teeth and see a doctor. Do not use the remote if the batteries have leaked. − The chemicals in batteries could cause burns or other health hazards. • Do not step on or put anything on the product.
PRIOR TO OPERATION PRIOR TO OPERATION Preparing for operation Service 1 Contact an installation specialist for installation. For repair and maintenance, contact your authorized service dealer. 2 Use a dedicated circuit. PRECAUTION Usage • Contact an authorized service technician for repair or maintenance of this unit. 1 • Contact an installation specialist for installation of this unit. Being exposed to direct airflow for an extended period of time could be hazardous to your health.
OPERATION 9 OPERATION ENGLISH Parts and Functions Indoor Unit Type 1 Type 2 FRANÇAIS ESPAÑOL 9 10 Front Panel Air Discharge Air Inlet Signal receiver Forced Operation Button Defrost Mode Timer Remote Sensor 9 Filter Sign 10 On/Off NOTE • The number and location of operation lamps may vary according to the model of the air conditioner. • The features may differ based on the type of model. Operating Method 1 The signal receiver is inside the unit.
OPERATION Operation Indication Lamps Wireless Remote Control Type 1 Inserting Batteries On/Off Lights up during the system operation. 1 Remove the battery cover by pulling it according to the arrow direction. Filter Sign Lights up after 2 400 hours from the time of first operating unit. 2 Insert new batteries making sure that the (+) and (-) of battery are installed correctly. (Battery Size = AAA). Timer Lights up during Timer operation.
OPERATION 11 Using Wireless Remote Control You can operate the air conditioner more conveniently with the remote control. ENGLISH Display Screen - Used to turn on/off the unit. Used to start or stop the air purification function. PLASMA Used to start or stop the plasma-purification function. VANE ANGLE Used to set each vane angle. AIR FLOW Used to set airflow. Used to select the room temperature. MODE - JET MODE Used to select the operation mode. To change room temperature quickly.
OPERATION Using the Mode Function Cooling Mode Dehumidification Mode It removes humidity while slightly cooling the air. This cools the room with a comfortable and clean wind. 1 Turn the appliance on. 1 Turn the appliance on. 2 Press MODE button repeatedly to select the Dehumidification Mode. 2 Press MODE button repeatedly to select the Cooling Mode. • 3 4 is displayed on the display screen. Press or temperature.
OPERATION 13 Cooling Only Model 1 Turn the appliance on. In this mode, you cannot adjust the fan speed, but you can set the air deflector to rotate automatically. 2 Press MODE button repeatedly to select the Heating Mode. 3 Press JET MODE button. • 1 Turn the appliance on 2 Press MODE button repeatedly to select the Auto Operation Mode. • is displayed on the display screen. is displayed on the display screen. FRANÇAIS NOTE • Heating Mode is not available for Cooling only models.
OPERATION Auto Changeover Mode - Setting the Mode Change Temperature Using the Temperature Setting Function Cooling & Heating Model Temperature Setting The Mode Change Temperature is the difference of temperature when from cooling mode to heating mode or from heating mode to cooling mode. 1 In Auto Operation Mode, Press the FUNC. button to select Setting the Mode Change Temperature. 2 Press or Temperautre.
OPERATION 15 Using the Fan Speed Function Turn the appliance on. 2 Press FAN SPEED button repeatedly to adjust the fan speed. NOTE • The menu item might not be partially selected according to product function. Turn the appliance on. 2 Press 3 Press button again to set the horizontal louver at the desired airflow direction. button. • The louvers will swing left and right. NOTE • Some functions may not be supported, depending on the model.
OPERATION Direct Wind (Optional) Refresh Mode (Optional) It adjusts the wind direction to direct wind. It is the function to set the Refresh Mode operation of the product. 1 Turn the appliance on. 2 Press AIR FLOW button repeatedly until displayed. 3 Press SET/CLEAR button to set or cancel this function. icon NOTE • Some functions may not be supported, depending on the model. 1 Turn the appliance on. 2 Press AIR FLOW button repeatedly until displayed.
OPERATION 17 Using the Optional Function This is the function that controls the vane angles individually in the ceiling cassette products. 1 Press VANE ANGLE button. − is displayed on the display screen. NOTE • If you wish to stop, press AIR PURIFY or PLASMA button again. • When AIR PURIFY button is pressed while the unit is stopped, Air Purification will start independently.
OPERATION Checking the Air Quality Level During Air Purification Operation (Optional) • Press the AIR PURIFY button for 3 seconds, Air quality level will always be displayed on Smart Indicator of the product. Global Display Color Air Quality Level Green Concentration of Dust (μg/m3) PM10 PM2.5/1.
OPERATION 19 How to Set Air Quality Level Color (Optional) With the JET COOL button pressed, press the reset button. JET COOL Setting Special Functions 1 Press FUNC. button repeatedly to select the desired function. 2 Press SET/CLEAR button to finish. 2 By using the setting value. or button, set function code and Canceling Special Functions Setting code 3 4 Press the • Some functions may operate differently from the remote control display. button toward the indoor unit 1 time.
OPERATION Smart Clean (Optional) Electric Heater (Optional) The Smart Clean function can be used by setting to manual or automatic. It can only be set during heating operation. • is displayed on the display screen. Auto Smart Clean Operation If the accumulated operation time of the product exceeds 30 hours, the Smart Clean automatically starts when the unit is turned off. • is displayed on the display screen.
OPERATION 21 Setting the Current Time 1 Press OFF button to turn the timer on or off. 2 Press set. 3 Press SET/CLEAR button. 1 Press SET/CLEAR button for 3 seconds. 2 Press set. or button until the desired time is • If you press down and hold the button for a long time, the time will change more quickly in 10 minute increments. NOTE • Check the indicator for A.M. and P.M. or button until the desired time is Canceling the Timer Setting Sleep Timer Setting 1 Turn the appliance on.
OPERATION Forced Operation Auto Restart Function Forced operation is used when the remote controller can’t be used. • The operation will be started if the Forced Operation button is pressed. This function is useful in the case of power failure. When power regains after a failure this feature restores the previous operating condition and the air conditioner will run in the same settings. Type 1 NOTE Type 2 • To enable it, press the button again for 6 seconds.
MAINTENANCE 23 MAINTENANCE Cleaning the Air Filter Clean dirt from the air filter using a vacuum cleaner or by washing with water. • If dirt is conspicuous, wash with a neutral detergent in lukewarm water. • Before performing any maintenance, turn off the main power to the system. • When the air filter needs to be removed, do not touch the metal parts of the indoor unit. Doing so may cause an injury. NOTE • Volatile substances could damage the surfaces of the air conditioner.
MAINTENANCE Cleaning the Deodorization Filter/PM1.0 Filter (Optional) 1 Press the fixing hooks on both sides and open the front grille. 4 After assembling in reverse order, close the front grille. PM1.0 Filter Deodorization Filter WARNING • For safety, turn off the main power switch. CAUTION 2 • Be careful that the filter case is correctly assembled to the filter holder. Remove PM1.0 filter by pressing the fixing hook. • Be careful not to drop the front grille when removing the filter.
MAINTENANCE 25 Filter Information Filter Name • Dry for 3 hours in sunlight or under fluorescent light. • It is recommended to clean it every six months. (assuming 8 hours of daily use) • Clean the filter without disassembling it. PM1.0 filter • If the filter is very dirty, soak it for 30 minutes in lukewarm water with mild detergent and rinse thoroughly with clean water. (Do not use acidic detergents such as citric acid.) • It is recommended to clean it every six months.
MAINTENANCE Cleaning the PM1.0 Sensor (Optional) PM1.0 Sensor 1 Remove the PM1.0 Sensor corner cover on the front panel. WARNING • For safety, turn off the main power switch. • Be careful not to drop the product when removing the PM1.0 Sensor corner cover. • Be careful of falling accidents when cleaning the PM1.0 sensor. NOTE • It is recommended to clean it every six months. (assuming 8 hours of daily use) • PM1.0 Sensor is only included with Air purification panel.
MAINTENANCE 27 Tips for Maintenance Operation Tips When not in Use for a Long Time • Do not overcool the room. Operate the air conditioner at the following settings for 2 to 3 hours. • Type of operation: Fan operation mode. • This will dry out the internal mechanisms. CAUTION − Dirt may collect and may cause a fire. NOTE • Dust and impurities collected in the air filter may block the air flow or reduce the unit performance.
TROUBLESHOOTING TROUBLESHOOTING Before Calling for Service Check the following before calling for service. If the problem persists, contact an LG Electronics service center(centre) or your dealer. Symptoms The air conditioner does not operate. Possible Cause & Solution Have you made a mistake in setting the timer? Has the fuse blown or has the circuit breaker been tripped? The room has a peculiar odor.
LIMITED WARRANTY (USA) 29 LIMITED WARRANTY (USA) ENGLISH “The product’s full Limited Warranty terms and conditions and arbitration requirements are available at https://www. lghvac.
WARRANTY (CANADA) WARRANTY (CANADA) ARBITRATION NOTICE: THIS LIMITED WARRANTY CONTAINS AN ARBITRATION PROVISION THAT REQUIRES YOU AND LG TO RESOLVE DISPUTES BY BINDING ARBITRATION INSTEAD OF IN COURT, UNLESS THE LAWS OF YOUR PROVINCE OR TERRITORY DO NOT PERMIT THAT, OR, IN OTHER JURISDICTIONS, IF YOU CHOOSE TO OPT OUT. IN ARBITRATION, CLASS ACTIONS AND JURY TRIALS ARE NOT PERMITTED. PLEASE SEE THE SECTION TITLED “PROCEDURE FOR RESOLVING DISPUTES” BELOW.
WARRANTY (CANADA) 31 Governing Law. The law of the province or territory of your purchase shall govern this Limited Warranty and any Fees/Costs. You do not need to pay any fee to begin an arbitration. Upon receipt of your written demand for solely (1) on the basis of documents submitted to the arbitrator, (2) through a telephonic hearing, or (3) by an inperson hearing as established by the applicable arbitration rules.
US CANADA Please call the installing contractor of your product, as warranty service will be provided by them.
