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OWNER’S MANUAL

Copyright © 2018 - 2022 LG Electronics Inc. All Rights Reserved

TYPE: WALL MOUNTED

Original instruction

MFL69780807

Rev.06_061322

Read this owner's manual thoroughly before operating the 

appliance and keep it handy for reference at all times.

AIR CONDITIONER

EN ENGLISH
DE DEUTSCH

IT

ITALIANO

PT PORTUGUÊS

ES ESPAÑOL

LG Electronics Inc. Single Point of Contact (EU/UK) :

LG Electronics European Shared Service Center B.V.

Krijgsman 1, 1186 DM Amstelveen, The Netherlands

Summary of Contents for AC09BT

Page 1: ...06_061322 Read this owner s manual thoroughly before operating the appliance and keep it handy for reference at all times AIR CONDITIONER EN ENGLISH DE DEUTSCH IT ITALIANO PT PORTUGUÊS ES ESPAÑOL LG Electronics Inc Single Point of Contact EU UK LG Electronics European Shared Service Center B V Krijgsman 1 1186 DM Amstelveen The Netherlands ...

Page 2: ...sing the Jet Mode Function 20 Using the Fan Speed Function 21 Using the Air Flow Direction Function 21 Setting the On Off Timer 22 Using the Sleep Function Optional 23 Using the Simple Timer Function Optional 23 Using the Energy Display Function Optional 24 Using the Light Off Function Optional 24 Using the Comfort Air Function Optional 24 Using the Energy Control Function Optional 25 Using Specia...

Page 3: ... serious injury or death CAUTION This indicates that the failure to follow the instructions can cause the minor injury or damage to the product The following symbols are displayed on indoor and outdoor units for R32 This symbol indicates that this appliance uses a flammable refrigerant If the refrigerant is leaked and exposure to an external ignition source there is a risk of fire This symbol indi...

Page 4: ...sure that they do not play with the appliance For use in Europe This appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved Children shall not play with the ap...

Page 5: ...routed properly so that there is no force pulling the cable from the connection terminals Improper or loose connections can cause heat generation or fire Install dedicated electric outlet and circuit breaker before using the air conditioner Do not connect the ground wire to a gas pipe a lightning rod or a telephone ground wire Keep any required ventilation openings clear of obstruction for R32 Mea...

Page 6: ...te sufficiently when the air conditioner and a heating appliance such as a heater are used simultaneously Do not block the inlet or outlet of air flow Do not insert hands or other objects through the air inlet or outlet while the air conditioner is operating Make sure that the power cable is neither dirty loose nor broken Never touch operate or repair the air conditioner with wet hands Do not plac...

Page 7: ...nt valid certificate from an industry accredited assessment authority which authorizes their competence to handle refrigerants safely in accordance with an industry recognized assessment specification for R32 Servicing shall only be performed as recommended by the equipment manufacturer Maintenance and repair requiring the assistance of other skilled personnel shall be carried out under the superv...

Page 8: ...d have the power outlet and circuit checked by a qualified electrician The refrigerant and insulation blowing gas used in the appliance require special disposal procedures Consult a service agent or a similarly qualified person before disposing of them If the supply cord is damaged it must be replaced by the manufacturer its service agent or similarly qualified person in order to avoid a hazard Th...

Page 9: ...lation or repair Transport the air conditioner with two or more people or use a forklift Install the outdoor unit such that it is protected from direct sunlight Do not place the indoor unit in a place where it is directly exposed to sunlight via the windows Safely dispose of packing materials such as screws nails plastic bag or batteries using proper packaging after installation or repair Install ...

Page 10: ...extended periods of time If the leaking battery fluid has been swallowed rinse the inside of the mouth thoroughly and consult a doctor Do not drink the water drained from the air conditioner Do not use the product for special purposes such as preserving foods works of art and etc It is an air conditioner for consumer purposes not a precision refrigeration system There is risk of damage or loss of ...

Page 11: ...or ventilation The indoor air quality may deteriorate if the air conditioner is used for long durations Clean the air filter once every 2 weeks Dust and impurities collected in the air filter may block the air flow or reduce the unit performance Parts and Functions Indoor Unit Outdoor Unit 8 9 Air Filter Air Intake Front Cover Air Outlet Air Deflector Horizontal Vane Air Deflector Vertical Louver ...

Page 12: ...cation 2 Fix the holder by fastening 2 screws firmly with a screwdriver Operating Method Point the remote control towards the signal receiver at the right side of the air conditioner to operate it NOTE The remote control may operate other electronic devices if it is directed towards them Make sure to point the remote control towards the air conditioner signal receiver For proper operation use a so...

Page 13: ...Operating the Air Conditioner without the Remote Control You can use the ON OFF button of the indoor unit to operate the air conditioner when the remote control is unavailable 1 Open the front cover Type2 or horizontal vane Type1 2 Press the ON OFF button Type1 ON OFF Type2 ON OFF NOTE The stepping motor may be broken if the horizontal vane opens rapidly The fan speed is set to high The feature ma...

Page 14: ...in cooling heating or auto changeover mode O O MODE To select the cooling mode O O To select the heating mode O O To select the dehumidification mode O O To select the fan mode O O To select the auto changeover auto operation mode O O JET MODE To change room temperature quickly O O FAN SPEED To adjust the fan speed O O SWING SWING To adjust the air flow direction vertically or horizontally O O NOT...

Page 15: ...ial functions and timer O O CANCEL To cancel the timer settings O O To adjust time O O LIGHT OFF To set the brightness of the display on the indoor unit O O ROOM TEMP To display the room temperature O O C F 5 s To change unit between C and F O O COMFORT AIR To adjust the air flow to deflect wind O O kW 3 s To set whether or not to display information regarding energy O X ENERGY CTRL To bring the e...

Page 16: ...n generator uses millions of ions to help improve indoor air quality O Optional O Optional To reduce noise from outdoor units O X To remove moisture generated inside the indoor unit O O RESET To initialize the remote control settings O O NOTE Some functions may not be supported depending on the model buttons may be changed according to the type of model Press the SET CANCEL button to operate the s...

Page 17: ...es Type1 ON OFF Type2 ON OFF NOTE The feature may be changed according to the type of model If you press and hold the ON OFF button for 3 5 seconds instead of 6 seconds the unit will switch to the test operation In the test operation the unit blows out strong cooling air for 18 minutes and then returns to factory default settings Using the Mode Function This function allows you to select the desir...

Page 18: ...play screen 3 Press or button to set the desired temperature 4 Press FAN SPEED button to adjust the fan speed Auto Changeover Mode Single Split Model This mode changes the mode automatically to maintain the set temperature at 2 C 1 Turn the appliance on 2 Press MODE button repeatedly to select the Auto Changeover Mode is displayed on the display screen 3 Press or button to set the desired temperat...

Page 19: ...just the room temperature it is adjusted automatically The room temperature is not displayed on the display screen In the dehumidification mode compressor and indoor fan may not operate when the room temperature is below 24 C Heating Mode 1 Turn the appliance on 2 Press MODE button repeatedly to select the Heating Mode is displayed on the display screen 3 Press or button to set the desired tempera...

Page 20: ...able with Cooling Heating and Dehumidification Mode 1 Turn the appliance on 2 Press MODE button repeatedly to select the desired mode 3 Press JET MODE button is displayed on the display screen NOTE Jet Heating Mode is not available on some models In Jet Cooling Mode strong air blows out for 30 minutes After 30 minutes later setting temperature is maintaining 18 C If you want to change the temperat...

Page 21: ...tion of the air flow vertically horizontally Press SWING SWING button repeatedly and select the desired direction Select to adjust the direction of the air flow automatically NOTE Adjusting the air flow direction horizontally may not be supported depending on the model Adjusting the air deflector arbitrarily may cause product failure If you restart the air conditioner it starts to operate with the...

Page 22: ... The icon below blinks at the bottom of the display screen 2 Press SET CANCEL button to cancel the setting Setting the Off Timer 1 Press TIMER button repeatedly The icon below blinks at the bottom of the display screen 2 Press or button to select the minutes 3 Press SET CANCEL button to finish After setting the timer current time and icon are displayed on the display screen indicating that the des...

Page 23: ... and Dehumidification Mode the temperature increases by 1 C after 30 minutes and additional 1 C after another 30 minutes for a more comfortable sleep The temperature increases up to 2 C from the preset temperature Although the remark for fan speed on the display screen may be changed the fan speed is adjusted automatically Using the Simple Timer Function Optional This function turns off the air co...

Page 24: ...ulti Outdoor unit this function may not be supported Using the Light Off Function Optional Display Screen Brightness You can set the brightness of the indoor unit display screen Press LIGHT OFF button NOTE Turn on off the Display screen Using the Comfort Air Function Optional Comfort Vane Operation This function conveniently sets the vane to a preset position to deflect the supply air away from bl...

Page 25: ...nits This function is available with Cooling Mode Capacity may decrease when Energy Control mode is selected Desired temperature is displayed about 5 seconds if you press FAN SPEED or button Room temperature is displayed about 5 seconds if you press ROOM TEMP button When connected to the Multi Outdoor unit this function may not be supported Using Special Functions 1 Turn the appliance on 2 Press F...

Page 26: ...n This function may operate differently from the remote control display Using the Silent Function This function prevents potential claims by neighbors reducing noise from outdoor units is displayed on the display screen NOTE This function is disabled when you press MODE or ENERGY CTRL or JET MODE button This function is available with Cooling Heating Auto Changeover Auto Operation Mode When connec...

Page 27: ...Wi Fi network If the distance between the appliance and the wireless router is too far the signal strength becomes weak It may take a long time to register or installation may fail 2 Turn off the Mobile data or Cellular Data on your smartphone 3 Connect your smartphone to the wireless router NOTE To verify the Wi Fi connection check that icon on the control panel is lit The appliance supports 2 4 ...

Page 28: ...stalling the LG ThinQ Application Search for the LG ThinQ application from the Google Play Store or Apple App Store on a smartphone Follow instructions to download and install the application Open Source Software Notice Information To obtain the source code that is contained in this product under GPL LGPL MPL and other open source licenses that have the obligation to disclose source code and to ac...

Page 29: ...tions provided in the LG ThinQ application Using Audible Diagnosis to Diagnose Issues Follow the instructions below to use the audible diagnosis method Launch the LG ThinQ application and select the Smart Diagnosis feature in the menu Follow the instructions for audible diagnosis provided in the LG ThinQ application 1 Plug the power plug in the outlet properly 2 Place the mouthpiece of your smartp...

Page 30: ...egularly to maintain optimal performance and to prevent possible breakdown Dry the air conditioner in Fan mode for 3 to 4 hours and disconnect the power There may be internal damage if moisture is left in its components Before using the air conditioner again dry the inner components of the air conditioner in Fan mode for 3 to 4 hours This will help to remove the odor generated from moisture Air Fi...

Page 31: ...ear Outdoor unit Have a professional clean the heat exchanger coils and the panel vents Consult with technician Once a year Have a professional clean the fan Once a year Have a professional clean the condensate drain pan Once a year Have a professional verify that all the fan assembly is firmly tightened Once a year Clean the electric components with air Once a year NOTE Never use water that is hi...

Page 32: ... lukewarm water with neutral detergent 5 Dry the filter in the shade 6 Insert the hooks of the air filter into the front cover 7 Push down hooks to assemble the air filter 8 Check the side of the front cover for correct assembly of the air filter Type2 1 Turn off the power to the unit 2 Open the front cover Lift up both sides of the cover slightly 3 Hold the knobs of the air filters pull them down...

Page 33: ...ove the Allergy filter from the indoor unit Type1 Type2 4 Clean the filter with a vacuum cleaner 5 Insert the Allergy filter Type1 Type2 6 Assemble the air filter 7 Check the side of the front cover for correct assembly of the air filter NOTE The feature and location of Allergy filter may vary according to the type of model ...

Page 34: ...breaker safety ground or a fuse is not operated properly Turn off the air conditioner switch OFF or disconnect the power supply and contact the service center The unit generates an error code from its self diagnosis Turn off the air conditioner switch OFF or disconnect the power supply and contact the service center The air conditioner does not work The air conditioner is unplugged Check whether t...

Page 35: ...e the air conditioner is in operation Fan Mode is selected During Fan Mode air blows from the air conditioner without cooling or heating the indoor air Switch the operation mode to cooling operation Outside temperature is too high The cooling effect may not be sufficient The fan speed cannot be adjusted The Jet Mode or Auto Operation Mode is selected In some operation modes you cannot adjust the f...

Page 36: ... the indoor unit creak when they shrink or expand due to sudden temperature changes Flowing or Blowing sound This is the flow of refrigerant through the air conditioner These are normal symptoms The noise will stop The indoor unit gives off an odor Odors such as cigarette smoke may be absorbed into the indoor unit and discharged with airflow If the smell does not disappear you need to wash the fil...

Page 37: ...network name SSID should be a combination of English letters and numbers Do not use special characters The router frequency is not 2 4 GHz Only a 2 4 GHz router frequency is supported Set the wireless router to 2 4 GHz and connect the appliance to the wireless router To check the router frequency check with your Internet service provider or the router manufacturer The distance between the applianc...

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