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OWNER’S MANUAL

AIR CONDITIONER

TYPE: WALL MOUNTED

MFL69781604

Rev.07_121520

Read this owner's manual thoroughly before operating the

appliance and keep it handy for reference at all times.

EN ENGLISH

*MFL69781604*

Summary of Contents for I22TCC

Page 1: ...ER Copyright 2017 2020 LG Electronics Inc All Rights Reserved TYPE WALL MOUNTED MFL69781604 Rev 07_121520 Read this owner s manual thoroughly before operating the appliance and keep it handy for reference at all times EN ENGLISH MFL69781604 ...

Page 2: ... Off Timer 21 Using the Sleep Function Optional 22 Using the Simple Timer Function Optional 22 Using the Energy Display Function Optional 23 Using the Light Off Function Optional 23 Using the Comfort Air Function Optional 23 Using the Energy Saving Function Optional 24 Using the Energy Control Function Optional 24 Using the Generator Mode Function Optional 25 Using Special Functions 26 SMART FUNCT...

Page 3: ...AUTION This indicates that the failure to follow the instructions can cause the minor injury or damage to the product IMPORTANT SAFETY INSTRUCTIONS WARNING To reduce the risk of explosion fire death electric shock injury or scalding to persons when using this product follow basic precautions including the following Children in the Household This appliance is not intended for use by persons includi...

Page 4: ...cable connecting the indoor and outdoor units are not pulled too tight when installing the air conditioner Use standard circuit breaker and fuse that conform to the rating of the air conditioner Do not input air or gas into the system except with the specific refrigerant Use non flammable gas nitrogen to check for leak and to purge air using compressed air or flammable gas may cause fire or explos...

Page 5: ...ioner label Cut off the power supply if there is any noise smell or smoke coming from the air conditioner Do not leave flammable substances such as gasoline benzene or thinner near the air conditioner Contact an authorized service center when the air conditioner is submerged by flood waters Do not use the air conditioner for an extended period of time in a small place without proper ventilation In...

Page 6: ...fy or extend the power cable Scratches or peeling insulation on the power cables may result in fire or electric shock and should be replaced Cut off the power supply immediately in the event of a blackout or a thunderstorm Take care to ensure that power cable could not be pulled out or damaged during operation Do not touch refrigerant pipe water pipe and any internal parts while the unit is operat...

Page 7: ... using only genuine replacement parts This appliance must be properly grounded to minimize risk of electric shock Do not cut or remove the grounding prong from the power plug Attaching the earth wire to the power outlet cover screw does not ground the appliance unless the cover screw is metal uninsulated and the power outlet is grounded through house wiring If you have any doubt whether the air co...

Page 8: ...tioner Do not touch the leaking refrigerant during installation 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 or batteries using proper pa...

Page 9: ...s been left open Stop using the remote control if there is a fluid leak in the battery If your clothes or skin are exposed to the leaking battery fluid wash off with clean water Do not expose people animals or plants to the cold or hot wind from the air conditioner for extended periods of time If the leaking battery fluid has been swallowed rinse the inside of the mouth thoroughly and consult a do...

Page 10: ...ir conditioner when removing the air filter Use a sturdy stool or ladder when cleaning maintaining or repairing the air conditioner at a height Never use strong cleaning agents or solvents when cleaning the air conditioner or spray water Use a smooth cloth ...

Page 11: ...n a short period of time Open windows regularly for 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 Air Filter Air Intake Front Cover Air Outlet Air Deflector H...

Page 12: ...on 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 soft c...

Page 13: ...er 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 may be changed according to t...

Page 14: ...off the air conditioner To adjust the desired room temperature in cooling heating or auto changeover mode MODE To select the cooling mode To select the heating mode To select the dehumidification mode To select the fan mode To select the auto changeover auto operation mode JET MODE To change room temperature quickly FAN SPEED To adjust the fan speed SWING SWING To adjust the air flow direction ver...

Page 15: ... the brightness of the display on the indoor unit ROOM TEMP To display the room temperature C F 5 s To change unit between C and F ENERGY SAVING To minimize power consumption COMFORT AIR To adjust the air flow to deflect wind kW 3 s To set whether or not to display information regarding energy ENERGY CTRL To bring the effect of the power saving COMFORT SLEEP To make a comfortable sleeping environm...

Page 16: ...oisturized by generating ion clusters To lower indoor humidity quickly To maintain a minimum room temperature and prevent objects in the room from freezing To scare away a mosquito To remove moisture generated inside the indoor unit To make a comfortable sleeping environment RESET To initialize the remote control settings NOTE Some functions may not be supported depending on the model buttons may ...

Page 17: ...re 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 desired function Cooling Only Model Cooling Mode...

Page 18: ...et 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 temperature 4 Press FAN SPEED button to adjust the fan speed Dehumidification Mode This mode removes excess moisture from a highly humid environment or during the rainy season in order to prevent mildew from setting ...

Page 19: ...quickly during the summer or warm it quickly during winter Cooling Heating model The Jet Mode function is available with Cooling Heating and Dehumidification Mode Cooling Only model The Jet Mode function is available with Cooling Dehumidification Fan Auto Operation Mode and Air Purification function 1 Turn the appliance on 2 Press MODE button repeatedly to select the desired mode 3 Press JET MODE ...

Page 20: ...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 21: ... 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 22: ... 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 23: ...off resets its value Display wattage under 10 kW h with 0 1 kW h unit and display one over 10 kW h with 1 kW h unit The actual power may differ from the power displayed 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...

Page 24: ...iance on 2 Press ENERGY CTRL button Press ENERGY CTRL button repeatedly to select each step NOTE 1 step The power Input is decreased by 20 compared to rated power input is displayed on the display screen 2 step The power Input is decreased by 40 compared to rated power input is displayed on the display screen 3 step Optional The power Input is decreased by 60 compared to rated power input is displ...

Page 25: ...ode When using Generator Power Supply If there are many applications being used together air conditioner may not operate properly for overload on Generator Generator should be maintained properly according to Manufacture s Manual Non properly maintained Generator may cause unexpected effect on air conditioner Engine Oil Fuel Level and continuous usage time should be in Manufacturer recommended con...

Page 26: ...educe noise from outdoor units To keep your skin moisturized by generating ion clusters To lower indoor humidity quickly To maintain a minimum room temperature and prevent objects in the room from freezing To scare away a mosquito To remove moisture generated inside the indoor unit To make a comfortable sleeping environment NOTE Some functions may not be supported depending on the model Some funct...

Page 27: ... 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 Using the Ion Care Function This function keeps your skin moisturi...

Page 28: ...ng a high frequency wave is displayed on the display screen NOTE You can use this function without turning the air conditioner on is displayed on some indoor units Using the Auto Clean Function In the Cooling and Dehumidification Mode moisture is generated inside the indoor unit This function removes such moisture is displayed on the display screen NOTE Some functions cannot be used while the Auto...

Page 29: ...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 30: ...ing 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 under GPL LGPL MPL and other open source licenses that is contained in this product please visit http opensource lge com In addition to the source ...

Page 31: ...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 32: ...duct regularly 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 ...

Page 33: ...fessional 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 higher than 40 C when you cle...

Page 34: ... 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 35: ...le and Allergy filter from the indoor unit Type1 Type2 4 Clean the filter with a vacuum cleaner 5 Insert the Micro dust Triple and Allergy filter Type1 Type2 6 Assemble the air filters 7 Check the side of the front cover for correct assembly of the air filters NOTE The feature and location of Micro dust Triple and Allergy filter may vary according to the type of model ...

Page 36: ...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 37: ...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 38: ... 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 39: ...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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