ENGLISH OWNER’S MANUAL AIR CONDITIONER Please read this manual carefully before operating your set and retain it for future reference. P/NO : MFL67641321 www.lg.
TIPS FOR SAVING ENERGY ENGLISH TIPS FOR SAVING ENERGY Here are some tips that will help you minimize the power consumption when you use the air conditioner. You can use your air conditioner more efficiently by referring to the instructions below: • 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.
IMPORTANT SAFETY INSTRUCTIONS 3 READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE. Always comply with the following precautions to avoid dangerous situations and ensure peak performance of your product ! WARNING It can result in serious injury or death when the directions are ignored ! CAUTION It can result in minor injury or product damage when the directions are ignored ! WARNING • Installation or repairs made by unqualified persons can result in hazards to you and others.
IMPORTANT SAFETY INSTRUCTIONS ENGLISH Operation • Do not let the air conditioner run for a long time when the humidity is very high or when a door or window has been left open. Failure to do so may result in product failure. • Do not place any objects on the power cord. It may result in electric shock or product failure. • Do not turn on or off the air conditioner by plugging in or unplugging the power plug. It may result in fire or electric shock.
IMPORTANT SAFETY INSTRUCTIONS 5 ENGLISH ! CAUTION Installation • Make sure to check if there is a refrigerant leak after you install or repair the air conditioner. Failure to do so may result in product failure. • Install the drain hose properly for smooth drainage of condensed water. Failure to do so may result in product failure. • Keep level even when installing the product. • Install the air conditioner where the noise from the outdoor unit or the exhaust gas will not inconvenience the neighbors.
TABLE OF CONTENTS ENGLISH TABLE OF CONTENTS 2 TIPS FOR SAVING ENERGY 3 IMPORTANT SAFETY INSTRUCTIONS 5 Operation ranges 7 BEFORE USE 16 Display screen brightness 17 Operating the air conditioner without the remote control 17 Restarting the air conditioner automatically 18 WLAN Connecting (optional) 19 MAINTENANCE 21 Cleaning the air filter 7 Components 21 Cleaning the 3M Filter 8 Using the remote control 22 TROUBLESHOOTING 10 BASIC FUNCTIONS 10 Cooling your room 10 Heating your
BEFORE USE ENGLISH BEFORE USE Components Indoor unit 3M filter Air inlet Front Cover WLAN Module (Sold separately) On/Off button Front grille Signal receiver Air filter Operation lamp Ionizer Air outlet Air deflector (Vertical louver & Horizontal vane) * The feature can be changed according to type of model. ! 7 NOTE • The number of operation lamps and their locations may vary, depending on the model of the air conditioner.
BEFORE USE ENGLISH Using the remote control You can operate the air conditioner more conveniently with the remote control. Wireless remote control Control Display panel screen A Display screen l IONIZER button*: Ionizer sterilize the aerial bacteria and other harmful substances. Sleep mode auto button*: Sets the sleep mode auto operation. _ | g Control panel K Description Temperature adjustment buttons: Adjusts the room temperature when cooling and heating.
BEFORE USE Insert batteries before using the remote control. The battery type used is AAA (1.5 V). 1 Remove the battery cover. 2 Fix the holder by fastening the 2 screws firmly with a screwdriver. 3 Slide the remote control into the holder. 2 Insert the new batteries and make sure that the + and - terminals of the batteries are installed correctly. Operating method 3 Reattach the battery cover. ! Point the remote control towards the signal receiver at the bottom of the air conditioner to operate it.
BASIC FUNCTIONS ENGLISH BASIC FUNCTIONS Cooling your room Removing humidity (Cooling operation) 1 Press | to turn on the power. 2 Press f repeatedly to select the cooling (Dehumidifying operation) operation. - A is displayed on the display screen. * D This mode removes excess moisture from an environment with high humidity or in the rainy season, in order to prevent mold from setting in.
BASIC FUNCTIONS Adjusting the air flow direction (Air Circulation operation) This mode only circulates the indoor air without changing the room temperature. 1 Press | to turn on the power. 2 Press f repeatedly to select the air circulation operation. - E is displayed on the display screen. * D 1 To adjust the direction of the air flow horizontally, press D repeatedly and select the desired direction. - Select I to adjust the direction of the air flow automatically.
BASIC FUNCTIONS ENGLISH 2 PressEorFto select the minutes. 3 Press p to finish. Canceling the timer setting 1 Press p. - To cancel all timer settings, press p. Turning on the air conditioner automatically at a set time 1 Press m. - The icon below flickers at the bottom of the display screen. 2 PressEorFto select the minutes. 3 Press p to finish. 4 When setting the timer, current time and Setting sleep mode Use the sleep mode to turn off the air conditioner automatically when you go to sleep.
ADVANCED FUNCTIONS 13 ENGLISH ADVANCED FUNCTIONS The air conditioner offers some additional advanced functions. Indoor air purification Auto Clean operation (optional) Changing room temperature quickly (Jet Cool/Heat operation) This mode allows you to cool indoor air quickly in summer or warm it quickly in winter. 1 Press | to turn on the power. 2 Press M. In the cooling and dehumidifying operations, moisture is generated inside the indoor unit. Use the auto cleaning function to remove such moisture.
ADVANCED FUNCTIONS ENGLISH Ionizer Purification operation (optional) Code 2 1 0 Ion particles from Ionizer developed by LG sterilize the aerial bacteria and other harmful substances. 1 Press | to turn on the power. 2 Press A. - K is displayed on the display screen. -1 -2 ! * D ! Description Cool Cool slightly Maintain room temperature Heat slightly Heat NOTE • In this mode, you cannot adjust the fan speed, but you can set the air deflector to rotate automatically.
ADVANCED FUNCTIONS 15 Energy Control mode It is to prevent potential claims by neighbors, reducing noise from outdoor units. The outdoor unit sound pressure in cooling and heating mode is decreased by 3dB compared to the rated sound pressure 1 Press | to turn the power on. 2 Press C. - I is displayed on the display screen. It is Brings the effect of the power saving.
ADVANCED FUNCTIONS ENGLISH Energy Control mode Function available under the below temperature set - Cooling-possible temperature range: Indoor 18°C ~ 30°C, Outdoor 21°C ~ 36°C ! NOTE • In Cooling mode, this function can be used. • Every time E/Control on wireless remote controller is pressed, 1Step, 2Step, 3Step, functions release are repeated and switched Wanted temperature appears for 5 sec. • Capacity may decrease when outdoor unit Energy Control mode is selected.
ADVANCED FUNCTIONS 17 Restarting the air conditioner automatically You can use the On/Off button of the indoor unit to operate the air conditioner when the remote control is unavailable. However, the fan speed is set to high. 1 Open the front cover. - Lift up both sides of the cover slightly. When the air conditioner is turned on again after a power failure, this function restores the previous settings. This function is a factory default setting. Disabling auto restart 1 Open the front cover.
ADVANCED FUNCTIONS ENGLISH WLAN Connecting (optional) *Limited to the WLAN applied model User Environment • OS: Android OS 4.0 or higher, iOS 6 or higher • Resolution : android 320 x 480 or higher, iOS 960 x 640 or higher Some functions may not operate, or a part of the screen may get fuzzy depending on the smartphone. * A normal operation is not possible in the environment that does not satisfy the minimal specifications.
MAINTENANCE 19 ENGLISH MAINTENANCE If the air conditioner will not be used for an extended of time, dry the air conditioner to maintain it in best condition. 1 Dry the air conditioner in Fan mode for 3 to 4 hours and disconnect the power plug. There may be internal damage if moisture is left in components. 2 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 odor which is generated from moisture.
MAINTENANCE ENGLISH Cleaning the Ionizer • Turn off the power. • Use dry cotton bud to remove any dust. ! CAUTION • Turn off the power before you perform any maintenance; otherwise it may cause electric shock. • Never use water that is hotter than 40°C when you clean the filters. It may cause deformation or discoloration. • Never use volatile substances when you clean the filters. They may damage the surface of the product.
MAINTENANCE 21 Cleaning the 3M Filter Clean the air filter once every 2 weeks or more if necessary. 1 Turn off the power and unplug the power cord. 2 Open the front cover. - Lift up both sides of the cover slightly. 1 Turn off the power and unplug the power * The feature can be changed according to type of model. cord. 2 Open the front cover and remove the air filter (see “Cleaning air filter”). 3 Remove the 3M Filter. * The feature can be changed according a type of model.
TROUBLESHOOTING 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 requesting service Please check the following before you contact the service center. If the problem persists, contact your local service center.
TROUBLESHOOTING 23 Possible causes Corrective action Air is not circulating properly. Make sure that there are no curtains, blinds or furniture blocking the front of the air conditioner. The air filter is dirty. Clean the air filter once every 2 weeks. See “Cleaning Air Filter” for more information. The room temperature is too high. In summer, it may take some time to cool indoor air. In this case, select the jet cool operation to cool indoor air quickly.
