LG mfl68802402 Owner's Manual
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LG mfl68802402 Owner's Manual

LG mfl68802402 Owner's Manual

Wall mounted air conditioner
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OWNER'S MANUAL
AIR
CONDITIONER
Please read this manual carefully before operating
your set and retain it for future reference.
TYPE : WALL MOUNTED
P/NO : MFL68802402
www.lg.com

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Summary of Contents for LG mfl68802402

  • Page 1 OWNER’S MANUAL CONDITIONER Please read this manual carefully before operating your set and retain it for future reference. TYPE : WALL MOUNTED www.lg.com P/NO : MFL68802402...
  • Page 2 TIPS FOR SAVING ENERGY 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: •...

  • Page 3: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONS 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...
  • Page 4 IMPORTANT SAFETY INSTRUCTIONS 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. •...
  • Page 5 IMPORTANT SAFETY INSTRUCTIONS 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.

  • Page 6: Table Of Contents

    TABLE OF CONTENTS TABLE OF CONTENTS TIPS FOR SAVING EN- ADVANCED FUNCTIONS ERGY Changing room temperature quickly Indoor air purification Auto operation IMPORTANT SAFETY IN- Auto Changeover operation STRUCTIONS Energy saving cooling mode Display screen brightness Operating the air conditioner without BEFORE USE the remote control Components...

  • Page 7: Before Use

    BEFORE USE BEFORE USE Components Indoor unit Air inlet On/ Off button Front grille Operation lamp Signal receiver Air deflector (Vertical louver & Horizontal vane) Air outlet * The feature can be changed according a type of model. NOTE The number of operation lamps and their locations may vary, depending on the model of the air conditioner.

  • Page 8: Operation Ranges

    BEFORE USE Outdoor unit Air inlet vents Air outlet vents Coolant piping Drain hose Connection wire Base plate Air inlet vents Air outlet vents Coolant piping Drain hose Connection wire Base plate * The feature can be changed according a type of model. Operation ranges The table below indicates the temperature ranges the air conditioner can be operated within.

  • Page 9: Using The Remote Control

    BEFORE USE Using the remote control You can operate the air conditioner more conveniently with the remote control. You will find the buttons for the additional functions bellow the down of the display screen. Wireless remote control Control Display Description panel screen Fan button : Air come out from the in-...
  • Page 10 BEFORE USE Inserting batteries Fix the holder by fastening the 2 screws firmly with a screwdriver or using adhered Insert batteries before using the remote double-sided adhesive tape. control. The battery type used is AAA (1.5 V). Remove the battery cover. * The feature can be changed according a type of model.

  • Page 11: Basic Functions

    BASIC FUNCTIONS BASIC FUNCTIONS Cooling your room Removing humidity (Cooling operation) (Dehumidifying operation) Press to turn on the power. This mode removes excess moisture from an environment with high humidity or in the rainy Press repeatedly to select the cooling season, in order to prevent mold from setting operation.

  • Page 12: Adjusting Fan Speed

    BASIC FUNCTIONS Adjusting fan speed Using the 1 Touch soft air (Comfort Vane operation) Press repeatedly to adjust the fan speed. - Select 5 if you want natural air. The comfort vane option conveniently sets The fan speed adjusts automatically. the vane to a preset position that deflects the supply air away from blowing directly onto Remark...

  • Page 13: Turning On Air Conditioner Automatically At A Set Time

    BASIC FUNCTIONS Turning on air conditioner au- Canceling timer setting tomatically at a set time Press - To cancel all timer settings, press Press - The icon below flickers at the bottom of the display screen. Setting sleep mode Use the sleep mode to turn off the air condi- tioner automatically when you go to sleep.

  • Page 14: Advanced Functions

    ADVANCED FUNCTIONS ADVANCED FUNCTIONS Indoor air purification The air conditioner offers some additional ad- vanced functions. Auto Clean operation Changing room temperature In the cooling and dehumidifying operations, moisture is generated inside the indoor unit. quickly Use the auto cleaning function to remove such moisture.

  • Page 15: Auto Operation

    ADVANCED FUNCTIONS Auto operation Auto Changeover operation (Artificial intelligence) This mode changes the operation mode auto- matically to maintain the set temperature Cooling-only models at ±2°C. Press to turn on the power. In this mode, the fan speed and the tempera- ture adjust automatically, based on the room Press repeatedly to select the auto...

  • Page 16: Energy Saving Cooling Mode

    ADVANCED FUNCTIONS Energy saving cooling mode Operating the air conditioner without the remote control This mode minimizes power consumption dur- ing cooling and increases the set temperature You can use the On/Off button of the indoor to the optimal level for a more comfortable en- unit to operate the air conditioner when the vironment.

  • Page 17: Restarting The Air Conditioner Automatically

    ADVANCED FUNCTIONS Restarting the air conditioner Cleaning the air filter automatically Clean the air filter once every 2 weeks or more if necessary. When the air conditioner is turned on again Turn off the power and unplug the power after a power failure, this function restores the cord.

  • Page 18: Maintenance

    MAINTENANCE MAINTENANCE If the air conditioner will not be used for an extended of time, dry the air conditioner to maintain it in best condition. 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.
  • Page 19 MAINTENANCE CAUTION • Turn off the power and unplug the power cord before you perform any maintenance; other- wise it may cause electric shock. • Never use water that is hotter than 40°C(104°F) when you clean the filters. It may cause deformation or discoloration.

  • Page 20: Troubleshooting

    TROUBLESHOOTING 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.
  • Page 21 TROUBLESHOOTING Problem Possible causes Corrective action • Make sure that there are no curtains, • Air is not circulating- blinds or furniture blocking the front of properly. the air conditioner. • Clean the air filter once every 2 weeks. • The air filter is dirty. •...
  • Page 22 TROUBLESHOOTING Problem Possible causes Corrective action • The timer function could be oper- ated. If the timer function would op- • The air conditioner is suddenly erate, the air-conditioner can be turn turn off. off. • Check the timer setting is correct. The air-condi- •...
  • Page 23 OWNER'S MANUAL CONDITIONER Read this owner's manual thoroughly before operating the appliance and keep it handy for reference at all times. TYPE : WALL MOUNTED MFL69489601 www.lg.com Rev.01_021816...
  • Page 24 TABLE OF CONTENTS This manual is produced for a group of products and may contain images or content different from the model you purchased. This manual is subject to revision by the manufacturer. SAFETY INSTRUCTIONS ........3 Important Safety Instructions ..............4 OPERATION .............

  • Page 25: Safety Instructions

    SAFETY INSTRUCTIONS The following safety guidelines are intended to prevent unforeseen risks or damage from unsafe or incorrect operation of the product. The guidelines are separated into ‘WARNING’ and ‘CAUTION’ as described below. This symbol is displayed to the indicate matters and operations that can cause risk.

  • Page 26: Important Safety Instructions

    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: Installation • Do not install the air conditioner on an unstable surface or in a place where there is danger of it falling.
  • Page 27 Operation • Be sure to use only those parts listed in the service parts list. Never attempt to modify the equipment. • Make sure that children do not climb on or hit the outdoor unit. • Dispose of the batteries in a place where there is no danger of fire. •...
  • Page 28 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. Technical Safety • Installation or repairs made by unauthorized persons can pose hazards to you and others.
  • Page 29 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).
  • Page 30 • 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.

  • Page 31: Operation

    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. •...

  • Page 32: Wireless Remote Control

    Wireless Remote Control Operating method Point the remote control towards the signal receiver Inserting Batteries 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.
  • Page 33 Setting the Current Time Operating the Air Conditioner Without the Remote Control Insert batteries. You can use the ON/OFF button of the indoor unit to • The icon below blinks at the bottom of the operate the air conditioner when the remote control is display screen.
  • Page 34 Using Wireless Remote Control You can operate the air conditioner more conveniently with the remote control. Display Description Button Screen 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.
  • Page 35 Display Description Button Screen To turn on/off air conditioner automatically at desired time. SET/ To set/cancel the special functions CANCEL and timer. To cancel the timer settings. To adjust time. *LIGHT To set the brightness of the display on the indoor unit. ROOM To display the room temperature.
  • Page 36 Display Description Button Screen 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.

  • Page 37: Restarting The Air Conditioner Automatically

    Restarting the Air Conditioner Using the Mode Function Automatically This function allows you to select the desired function. When the air conditioner is turned on again after a power failure, this function restores the previous Cooling Only Model settings. Cooling Mode Disabling Auto Restart Open the front cover (Type1) or horizontal vane(Type2).
  • Page 38 Heating Mode Fan Mode This mode only circulates the indoor air without Turn the appliance on. changing the room temperature. Press MODE button repeatedly to select the Turn the appliance on. Heating Mode. Press MODE button repeatedly to select the Fan •...

  • Page 39: Using The Jet Mode Function

    Using the Jet Mode Function Auto Operation(Artificial Intelligence) Cooling Only Model Changing Room Temperature This mode automatically sets the fan speed and Quickly temperature depending on the room temperature. This function allows you to cool indoor air quickly Turn the appliance on. during the summer or warm it quickly during winter.

  • Page 40: Using The Fan Speed Function

    Using the Fan Speed Using the Air Flow Direction Function Function This function adjusts the direction of the air flow Adjusting the Fan Speed vertically (horizontally). • Press FAN SPEED button repeatedly to adjust the • Press ) button repeatedly and select the fan speed.

  • Page 41: Setting The On/Off Timer

    Setting the On/Off Timer Setting the Off Timer Press button repeatedly. This function sets the air conditioner to turn on/off automatically at desired time. • The icon below blinks at the bottom of the display screen. Setting the On Timer Press button repeatedly.

  • Page 42: Using The Sleep Function(Optional)

    Using the Sleep Using the Simple Timer Function(Optional) Function(Optional) This function turns off the air conditioner This function turns off the air conditioner automatically when you go to sleep. automatically when you go to sleep. Turn the appliance on. Turn the appliance on. Press button repeatedly.

  • Page 43: Using The Energy Display Function(Optional)

    Using the Energy Display Using the Light Off Function(Optional) Function(Optional) This function displays the amount of electricity Display Screen Brightness generated on the indoor display as the product operates. You can set the brightness of the indoor unit display screen. •...

  • Page 44: Using The Comfort Air Function(Optional)

    Using the Comfort Air Using the Energy Saving Function(Optional) Function(Optional) This function minimizes power consumption during Comfort Vane Operation Cooling and increases the set temperature to the optimal level for a more comfortable environment. This function conveniently sets the vane to a preset position to deflect the supply air away from blowing The temperature automatically settles at 22 °C, directly onto the occupants in the room.

  • Page 45: Using The Energy Control Function(Optional)

    Using the Energy Control Using the Mosquito Away Function(Optional) Function(Optional) This function fans away mosquitos by generating a Turn the appliance on. high-frequency wave. Press ENERGY CTRL button. • Press button. • Press ENERGY CTRL button repeatedly to select each step. NOTE •...

  • Page 46: Using Special Functions

    Using Special Functions Turn the appliance on. Display Description Screen Press FUNC button repeatedly to select the desired function. To purify the air by removing particles that enters the indoor unit. Press SET/CANCEL button to finish. To reduce noise from outdoor units. To keep your skin moisturized by generating ion clusters.
  • Page 47 Canceling Special Functions Using the Silent Function This function prevents potential claims by neighbors, Press FUNC button repeatedly to select the reducing noise from outdoor units. desired function. • is displayed on the display screen. Press SET/CANCEL button to cancel the function.
  • Page 48 Using the Low Heating Function Using the Auto Clean Function This function operates the heating system to maintain In the Cooling and Dehumidification Mode, moisture a minimum room temperature and prevent objects in is generated inside the indoor unit. This function the room from freezing where there is no permanent removes such moisture.

  • Page 49: Smart Appliance Connectivity

    Smart Appliance Connectivity Using the Comfort Sleep Function This function operates the air conditioner Using the Wi-Fi Pairing automatically to make the comfortable sleep environment. Function(Optional) are displayed on the display screen. • Once it is connected to the internet through a home Wi-Fi network, you can control the appliance remotely NOTE with the application for the smart phone.
  • Page 50 • Easily understanding the error messages. • Helping to improve device performance and expand product life. Search and download LG A/C Smart Diagnosis in Google play or App store. Click the Receive button on the main screen on your phone.

  • Page 51: Maintenance

    MAINTENANCE WARNING • Turn off the power and unplug the power cord before you perform any maintenance; otherwise it may cause electric shock. If the air conditioner will not be used for an extended period of time, dry the air conditioner to maintain it in best condition.
  • Page 52 Type Description Interval Air filter Clean with a vacuum or hand wash. 2 weeks Triple filter Clean with a vaccum or brush. Every 3 months 3M filter Clean with a vaccum or brush. Every 6 months Ionizer(Optional) Use dry cotton bud to remove any dust Every 6 months Clean the Indoor unit surface by using a soft, dry cloth.

  • Page 53: Clean The Air Filter

    Clean the Air Filter Type2 If you look at the indoor unit from above it, can Clean the air filters once every 2 weeks, or more, if assemble the top filter easily. necessary. Turn off the power and unplug the power cord. NOTE Hold the knob of air filter, lift it up slightly.

  • Page 54: Clean The 3M And Triple Filter(Optional)

    Clean the 3M and Triple Insert the 3M and Triple filters. Filter(Optional) Type1 Turn off the power and unplug the power cord. Remove the air filters from the indoor unit. Remove the 3M and Triple filters from the indoor unit. Type1 Type2 Type2...

  • Page 55: Troubleshooting

    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.
  • Page 56 Problem Possible Causes Corrective Action • Make sure that there are no curtains, blinds, or Air is not circulating properly. pieces of furniture blocking the front of the air conditioner. • Clean the air filter once every 2 weeks. The air filter is dirty. •...
  • Page 57 Problem Possible Causes Corrective Action The air outlet on The cooled air from the air conditioner • When the room temperature decreases, the indoor unit is makes mist. this phenomenon will disappear discharging mist. • This symptom requires installing a drain Water leaks from In the heating operations, condensed hose under the base pan.
  • Page 58 Memo...

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