ENGLISH FRANÇAIS ESPAÑOL 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 : WALL MOUNTED MFL69491101 Rev.04_021517 www.lg.com Copyright © 2016 - 2017 LG Electronics Inc. All Rights Reserved.
TABLE OF CONTENTS 2 TABLE OF CONTENTS 3 SAFETY INSTRUCTIONS 3 READ ALL INSTRUCTIONS BEFORE USE 7 OPERATION 7 7 8 13 13 15 16 16 17 18 18 19 19 19 20 20 21 Notes for Operation Parts and Functions Wireless Remote Control Restarting the Air Conditioner Automatically Using the Mode Function Using the Jet Mode Function Using the Fan Speed Function Using the Air Flow Direction Function Setting the On/Off Timer Using the Sleep Function (Optional) Using the Simple Timer Function (Optional) Using the Energy
SAFETY INSTRUCTIONS READ ALL INSTRUCTIONS BEFORE USE 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. 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 Installation •• Do not install the air conditioner on an unstable surface or in a place where there is danger of it falling. •• Contact an authorized service center when installing or relocating the air conditioner. •• Install the panel and the cover of the control box safely. •• Do not install the air conditioner in a place where flammable liquids or gases such as gasoline, propane, paint thinner, etc., are stored.
SAFETY INSTRUCTIONS Maintenance •• Do not clean the appliance by spraying water directly onto the product. •• Before cleaning or performing maintenance, disconnect the power supply and wait until the fan stops. 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 •• Do not install the air conditioner in an area where it is directly exposed to sea wind (salt spray).
SAFETY INSTRUCTIONS Operation •• Remove the batteries if the remote control is not to be used for an extended period of time. •• Make sure that the filter is installed before operating the air conditioner. •• Be sure to check if there is a refrigerant leak after installing or repairing the air conditioner. •• Follow the standards of the corresponding region or country for handling the refrigerant and the air conditioner and for disassembling the air conditioner.
OPERATION ENGLISH OPERATION Notes for Operation Suggestion for Energy Saving •• Do not cool excessively indoors. This may be harmful for your health and may consume more electricity. •• Block sunlight with blinds or curtains while you are operating the air conditioner. •• Keep doors or windows closed tightly while you are operating the air conditioner. •• Adjust the direction of the air flow vertically or horizontally to circulate indoor air.
OPERATION Wireless Remote Control Inserting Batteries Operating Method Point the remote control towards the signal receiver at the right side of the air conditioner to operate it. If the display screen of the remote control begins to fade, replace the batteries. Insert AAA (1.5 V) batteries before using the remote control. 1 Remove the battery cover. 2 Insert the new batteries and make sure that the + and - terminals of the batteries are installed correctly.
OPERATION 1 Insert batteries. Operating the Air Conditioner without the Remote Control •• The icon below blinks at the bottom of the display screen. You can use the ON/OFF button of the indoor unit to operate the air conditioner when the remote control is unavailable. 2 Press 3 Press SET/CANCEL button to finish. or button to select the minutes. 1 Open the front cover (Type1) or horizontal vane (Type2). 2 Press the ON/OFF button.
OPERATION Using Wireless Remote Control You can operate the air conditioner more conveniently with the remote control. Button Display Screen - 2 Description To turn on/off the air conditioner. To adjust the desired room temperature in cooling, heating or auto changeover mode. * * To select the cooling mode. To select the heating mode. FAN SPEED MODE MODE TEMP * JET MODE SWING ℃↔℉ [5 s] FUNC. TIMER To select the fan mode.
OPERATION 11 2 CANCEL * *LIGHT OFF FAN SPEED MODE TEMP * JET MODE 1 kW [3 s] SWING ℃↔℉ [5 s] FUNC. TIMER SWING SET UP ROOM TEMP DIAGNOSIS [5 s] SET CANCEL CANCEL - To set/cancel the special functions and timer. - To cancel the timer settings. - To adjust time. - To set 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.
OPERATION Button Display Screen Description To purify the air by removing particles that enters the indoor unit. 2 To reduce noise from outdoor units. * To keep your skin moisturized by generating ion clusters. * To lower indoor humidity quickly. FAN SPEED MODE To maintain a minimum room temperature and prevent objects in the room from freezing. FUNC. TEMP * JET MODE SWING ℃↔℉ [5 s] FUNC. TIMER To scare away a mosquito.
OPERATION 13 When the air conditioner is turned on again after a power failure, this function restores the previous settings. Using the Mode Function This function allows you to select the desired function. Cooling Only Model Cooling Mode Disabling Auto Restart 1 Open the front cover (Type1) or horizontal vane (Type2). Auto Operation(AI) Mode 2 Press the ON/OFF button and hold it for 6 seconds, then the unit will beep twice and the lamp will blink twice 4 times.
OPERATION Heating Mode Fan Mode 1 Turn the appliance on. 2 This mode only circulates the indoor air without changing the room temperature. Press MODE button repeatedly to select the Heating Mode. 1 Turn the appliance on. 2 Press MODE button repeatedly to select the Fan Mode. •• 3 is displayed on the display screen. Press or temperature. •• button to set the desired 3 is displayed on the display screen. Press FAN SPEED button to adjust the fan speed.
OPERATION 15 Cooling Only Model This mode automatically sets the fan speed and temperature depending on the room temperature. 1 Turn the appliance on. 2 Press MODE button repeatedly to select the Auto Operation. •• 3 is displayed on the display screen. Press or button to select the desired operation code if the temperature is higher or lower than the desired temperature.
OPERATION Using the Fan Speed Function Using the Air Flow Direction Function Adjusting the Fan Speed This function adjusts the direction of the air flow vertically (horizontally). •• Press FAN SPEED button repeatedly to adjust the fan speed. Display Screen Speed High Medium - High Medium Medium - Low •• Press SWING ( SWING ) button repeatedly and select the desired direction. ( ) to adjust the direction of the air −− Select flow automatically.
OPERATION 17 This function sets the air conditioner to turn on/off automatically at desired time. Setting the Off Timer 1 Press TIMER 2 Press 3 Press SET/CANCEL button to finish. or Canceling the On Timer TIMER 2 Press 3 Press SET/CANCEL button to finish. button repeatedly. Press SET/CANCEL button to cancel the setting. button to select the minutes. NOTE •• This function is disabled when you set Simple Timer. Canceling the Off Timer 1 Press TIMER button repeatedly.
OPERATION Using the Sleep Function (Optional) Using the Simple Timer Function (Optional) This function turns off the air conditioner automatically when you go to sleep. This function turns off the air conditioner automatically when you go to sleep. 1 Turn the appliance on. 1 Turn the appliance on. 2 Press 2 Press TIMER button repeatedly. •• The icon below blinks at the bottom of the display screen. 3 4 Press or 7 hours).
OPERATION 19 Using the Light Off Function (Optional) This function displays the amount of electricity generated on the indoor display as the product operates. Display Screen Brightness Display the Current Energy Usage •• Press LIGHT OFF button. 1 Turn the appliance on. NOTE 2 Press kW [3 s] button and hold it about 3 seconds. or •• The instantaneous power consumption ( kW kWh) is displayed for a while on some indoor units. You can set the brightness of the indoor unit display screen.
OPERATION Using the Energy Saving Function (Optional) Using the Energy Control Function (Optional) This function minimizes power consumption during Cooling and increases the set temperature to the optimal level for a more comfortable environment. The temperature automatically settles at 22 °C if room ambient temperature is below 22 °C The temperature remains constant if it is above 22 °C 1 Turn the appliance on. 2 Press ENERGY CTRL button. 1 Turn the appliance on.
OPERATION 21 1 Turn the appliance on. 2 Press FUNC button repeatedly to select the desired function. 3 Press SET/CANCEL button to finish. Display Screen Description To purify the air by removing particles that enters the indoor unit. To reduce 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.
OPERATION Canceling Special Functions Using the Silent Function 1 Press FUNC button repeatedly to select the desired function. This function prevents potential claims by neighbors, reducing noise from outdoor units. 2 Press SET/CANCEL button to cancel the function. is displayed on the display screen. •• NOTE •• This function is disabled when you press MODE or ENERGY CTRL or JET MODE button.
OPERATION 23 Using the Auto Clean Function This function operates the heating system to maintain a minimum room temperature and prevent objects in the room from freezing where there is no permanent resident, such as a vacation. In the Cooling and Dehumidification Mode, moisture is generated inside the indoor unit. This function removes such moisture. •• , are displayed on the display screen. NOTE •• This function is available with Heating Mode.
SMART FUNCTIONS SMART FUNCTIONS Using Smart ThinQ Application Firmware Update Installing Smart ThinQ If you use the Smart Diagnosis function, you will be provided with the useful information such as a correct way of using the appliance based on the pattern of use. Search for the LG Smart ThinQ application from the Google Play Store or Apple App Store on a smart phone. Follow instructions to download and install the application.
SMART FUNCTIONS 25 Model LCW-003 Frequency Range 2412 to 2462 MHz Output Power(Max) IEEE 802.11b:17.56 dBm IEEE 802.11g:25.53 dBm IEEE 802.11n:25.29 dBm FCC Notice •• For transmitter module contained in this product This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
SMART FUNCTIONS 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 code, all referred license terms, warranty disclaimers and copyright notices are available for download.
MAINTENANCE 27 ENGLISH MAINTENANCE WARNING •• Before cleaning or performing maintenance, disconnect the power supply and wait until the fan stops. If the air conditioner will not be used for an extended period of time, dry the air conditioner to maintain it in best condition. Clean the product 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.
MAINTENANCE Type Air filter Description Clean with a vacuum or hand wash. Interval 2 weeks Triple filter Clean with a vaccum or brush. Every 3 months 3M filter Clean with a vaccum or brush. Every 6 months Use dry cotton bud to remove any dust. Every 6 months Ionizer (Optional) Clean the Indoor unit surface by using a soft, dry cloth. Indoor unit Outdoor unit Regularly Have a professional clean the condensate drain pan. Once a year Have a professional clean the condensate drain pipe.
MAINTENANCE 29 Clean the air filters once every 2 weeks, or more, if necessary. NOTE •• The air filter can be broken when it is bended. Type2 If you look at the indoor unit from above it, can assemble the top filter easily. 1 Turn off the power and unplug the power cord. 2 Hold the knob of air filter, lift it up slightly. 3 Remove it from the indoor unit. 4 Clean the filter with a vacuum cleaner or with lukewarm water with neutral detergent. 5 Dry the filter in the shade.
MAINTENANCE Clean the 3M and Triple Filter (Optional) 1 Turn off the power and unplug the power cord. 2 Remove the air filters from the indoor unit. 3 Remove the 3M and Triple filters from the indoor unit. 5 Insert the 3M and Triple filters. Type1 Type1 Type2 Type2 4 Clean the filters with a vacuum cleaner. 6 Assemble the air filters. 7 Check the side of the front cover for correct assembly of the air filters.
TROUBLESHOOTING 31 ENGLISH TROUBLESHOOTING Self-diagnosis Function This product has a built-in self-diagnosis function. If an error occurs, the lamp of the indoor unit will blink in 2 second intervals. If this occurs, contact your local dealer or service center. Before Calling for Service Please check the following before you contact the service center. If the problem persists, contact your local service center.
TROUBLESHOOTING Problem Possible Causes Corrective Action Air is not circulating properly. •• Make sure that there are no curtains, blinds, or pieces of furniture blocking the front of the air conditioner. The air filter is dirty. •• Clean the air filter once every 2 weeks. •• See “Clean the Air Filter” for more information. The room temperature is too high. •• In summer, cooling the indoor air fully may take some time. In this case, select the Jet Mode to cool the indoor air quickly.
TROUBLESHOOTING 33 Possible Causes Corrective Action The indoor unit is still operating even when power has been turned off. The Auto Clean function is being operated. •• Allow the Auto Clean function to continue since it removes any remaining moisture inside the indoor unit. If you do not want this feature, you can turn the unit off. The air outlet on the indoor unit is discharging mist. The cooled air from the air conditioner makes mist.
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