ENGLISH OWNER’S MANUAL AIR CONDITIONER Please read this manual carefully before operating your set and retain it for future reference. TYPE : WALL MOUNTED *MFL67733603* P/NO : MFL67733603 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.
SAFETY PRECAUTIONS 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 • Always use a power plug and socket with a ground terminal. There is a risk of electric shock.
SAFETY PRECAUTIONS ENGLISH • Indoor/outdoor wiring connections must be secured tightly and the cable should be 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. • Safely dispose off the packing materials. Like screws, nails, batteries, broken things etc after installation or svc and then tear away and throw away the plastic packaging bags. Children may play with them and cause injury.
SAFETY PRECAUTIONS 5 • Do not install the product where it will be exposed to sea wind (salt spray) directly. It may cause corrosion on the product. • Install the drain hose to ensure that the condensed water is drained away properly. A bad connection may cause water leakage. • Keep level even when installing the product. To avoid vibration or noise. • Do not install the product where the noise or hot air from the outdoor unit could damage or disturb the neighborhoods.
TABLE OF CONTENTS ENGLISH TABLE OF CONTENTS 2 TIPS FOR SAVING ENERGY 3 IMPORTANT SAFETY INSTRUCTIONS 7 Electrical Safety 14 ADVANCED FUNCTIONS 14 Changing room temperature quickly 14 Indoor air purification 14 - Auto Clean operation 15 Plasma Purification operation (Optional) 15 Smoke Away operation (Optional) 15 Auto operation (Optional) 7 Temporary Use of an Adapter 16 Auto Changeover operation (Optional) 7 Temporary Use of an Extension Cord 16 °C/°F Conversion 7 Symbols used i
Electrical Safety 7 ! WARNING • This appliance must be properly grounded. To minimize the risk of electric shock, you must always plug into a grounded outlet. • Do not cut or remove the grounding prong from the power plug. • Attaching the adapter ground terminal to the wall receptacle cover screw does not ground the appliance unless the cover screw is metal and not insulated, and the wall receptacle is grounded through the house wiring.
BEFORE USE ENGLISH BEFORE USE Components Indoor unit 3M Filter or Triple Filter (Optional) Front Panel ON/OFF Button Vertical Louver Horizontal Vane Air Outlet Signal Receiver Ionizer (Optional) * The feature can be changed according to type of model. ! NOTE The number of operation lamps and their locations may vary, depending on the model of the air conditioner.
BEFORE USE 9 You can operate the air conditioner more conveniently with the remote control. You will find the buttons for the additional functions under the cover of the remote control. Wireless Wireless remote remote control control Control Display panel screen Display screen Control panel | _ Temperature adjustment buttons: Adjusts the room temperature when cooling and heating. f g 7v A N Indoor fan speed button: Adjusts the fan speed.
BEFORE USE ENGLISH Inserting batteries 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.
BASIC FUNCTIONS 11 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. This mode removes excess moisture from an environment with high humidity or in the rainy season, in order to prevent mold from setting in. This mode adjusts the room temperature and the fan speed automatically to maintain the optimal level of humidity.
BASIC FUNCTIONS ENGLISH Airing your room (Air Circulation operation) This mode only circulates the indoor air without changing the room temperature. The cooling lamp lights up in air circulation mode. 1 Press | to turn on the power. 2 Fan button : Press / turn on the air circulation operation. Mode button : Press f repeatedly to select air circulation operation. - E is displayed on the display screen.
BASIC FUNCTIONS 13 1 Press m. - The icon below flickers at the bottom of the display screen. Canceling the timer setting 1 Press m or n to select the timer setting to cancel. 2 Press p. - To cancel all timer settings, press p. Setting sleep mode 2 Press E or F to select the times. 3 Press p to finish. 4 When setting the timer, current time and ON icon are displayed on the display screen indicating that the desired time is set. Turning off the air conditioner automatically at a set time 1 Press n.
ADVANCED FUNCTIONS ENGLISH ADVANCED FUNCTIONS The air conditioner offers some additional advanced functions. Indoor air purification Auto Clean operation Changing room temperature quickly (Jet Cool) 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 . In the cooling and dehumidifying operations, moisture is generated inside the indoor unit. Use the auto cleaning function to remove such moisture. 1 Press O.
ADVANCED FUNCTIONS 15 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. - F is displayed on the display screen. ! NOTE • You can use this function by pressing R without turning the air conditioner on. • Both the plasma lamp and the cooling lamp light up while Smoke Away is in operation. • This function may not be supported, depending on the model.
ADVANCED FUNCTIONS ENGLISH Auto Changeover operation (Optional) This mode changes the operation mode automatically to maintain the set temperature at ±2°C. 1 Press | to turn on the power. 2 Press f repeatedly to select the auto changeover operation. - C is displayed on the display screen. Energy saving cooling mode This mode minimizes power consumption during cooling and increases the set temperature to the optimal level for a more comfortable environment.
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.
MAINTENANCE ENGLISH MAINTENANCE Clean the product regularly to maintain optimal performance and to prevent possible breakdown. * This may not be provided, depending on the model. Air filter 3M Filter or Triple Filter (Optional) * The feature can be changed according to type of model. Item Cleaning interval Cleaning method Air filter 2 weeks See “Cleaning Air filter.” Triple Filter 3 month 3M Filter 1 month Indoor unit surface Regularly Use a soft, dry cloth.
MAINTENANCE 19 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. * The feature can be changed according to type of model. 3 Hold the knob of the Air filter, lift it up slightly and remove it from the unit. * The feature can be changed according to type of model. 4 Clean the filter with a vacuum cleaner or with warm water.
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 21 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.
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