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LG
Room
Air Conditioner
OWNER'S MANUAL
LG
Visit us at http://www.lgservice.com
IMPORTANT
• Please read this owner's manual carefully and thoroughly
before installing and operating your room air conditioner.
• Please retain this owner's manual for future reference after
reading it thoroughly.
Dear Owner
Thank you for installing LG air conditioner.
Your best choice guarantees you a great
performance and service to make your life
comfortable & pleasant.
P/No.: MFL42262805
ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH
1

Brauchen Sie Hilfe? Stellen Sie Ihre Frage.

Forenregeln

Inhalt der Seiten


  • Page 1

    Visit us at http://www.lgservice.com

    ITALIANO

    LG
    Room Air Conditioner

    ENGLISH

    LG

    OWNER'S MANUAL

    ESPAÑOL
    FRANÇAIS

    Dear Owner
    Thank you for installing LG air conditioner.
    Your best choice guarantees you a great
    performance and service to make your life
    comfortable & pleasant.

    DEUTSCH

    IMPORTANT
    • Please read this owner's manual carefully and thoroughly
    before installing and operating your room air conditioner.
    • Please retain this owner's manual for future reference after
    reading it thoroughly.

    P/No.: MFL42262805



  • Page 2

    Room Air Conditioner Owner’s Manual

    TABLE OF CONTENTS
    A. Safety Precautions ..............................3
    B. Electrical Safety...................................6
    Temporary Use of an Adapter ...............6
    Temporary Use of an Extension Cord ...6
    Symbols used in this Manual.................6
    C. Product Introduction...........................7
    Indoor Units ...........................................7
    Outdoor Unit ..........................................7
    D. Operating Instructions........................8
    How to insert the Batteries ....................8
    Wireless Remote Controller
    Maintenance..........................................8
    Operating Method..................................8
    Wireless Remote Controller...................9
    Operation Mode...................................10
    Healthy Dehumidification Operation....11
    Air Circulation Operation .....................11
    Auto Operation
    (Cooling Only Model)...........................11
    Auto Changeover Operation
    (Heat Pump Model) .............................12
    Jet Cool/Heat Operation......................12
    Smart Clean Operation........................13
    Manual Smart Clean Operation...........14
    Auto Smart Clean Operation ...............14
    Auto Clean Operation..........................15
    Energy-Saving Cooling Mode
    (Optional).............................................16
    Display Luminosity(Optional)...............16
    Forced operation .................................16
    Setting the Current Time .....................17
    Timer Setting .......................................17
    To cancel the timer setting ..................17
    Sleep Mode .........................................17
    Vertical / Horizontal Airflow Direction
    Control (Optional) ................................18
    Auto Restart Function..........................18
    E. Maintenance and Service..................19
    Indoor Unit...........................................19
    Outdoor Unit ........................................21
    Operation Tips!....................................21
    Self-Diagnosis Function ......................21
    Troubleshooting Tips!
    Save time and money!.........................22
    Call the service immediately in the
    following situations ..............................22
    2 Room Air Conditioner

    FOR YOUR RECORDS
    Write the model and serial numbers here:
    Model #
    Serial #
    You can find them on a label on the side of each unit.
    Dealer's Name
    Date Purchased
    ■ Staple your receipt to this page in the event you need
    it to prove date of purchase or for warranty issues.

    READ THIS MANUAL
    Inside you will find many helpful hints on how to use
    and maintain your air conditioner properly. Just a little
    preventive care on your part can save you a great deal
    of time and money over the life of your air conditioner.
    You'll find many answers to common problems in the
    chart of troubleshooting tips. If you review our chart of
    Troubleshooting Tips first, you may not need to call
    for service at all.

    PRECAUTION
    • Contact the authorized service technician for
    repair or maintenance of this unit.
    • Contact the installer for installation of this unit.
    • The air conditioner is not intended for use by
    young children or invalids without supervision.
    • Young children should be supervised to ensure
    that they do not play with the air conditioner.
    • When the power cord is to be replaced,
    replacement work shall be performed by
    authorized personnel only using only genuine
    replacement parts.



  • Page 3

    Safety Precautions

    Safety Precautions
    This symbol indicates the possibility of death or serious injury.
    This symbol indicates the possibility of injury or damage.
    ■ Meanings of symbols used in this manual are as shown below.

    Be sure not to do.
    Be sure to follow the instruction.

    Always use a power plug and socket with
    a ground terminal.
    • There is a risk of electric shock.
    For electrical work, contact the dealer, seller,
    a qualified electrician, or an Authorized
    Service Center. Do not disassemble or repair
    the product by yourself.
    • There is risk of fire or electric shock.
    Use the correctly rated breaker or fuse.

    • There is risk of fire or electric shock.
    Do not install the product on a defective
    installation stand. Be sure that the
    installation area does not deteriorate with
    age.
    • It may cause product to fall.

    Do not use a defective or underrated
    circuit breaker. Use the correctly rated
    breaker and fuse.
    • There is risk of fire or electric shock .
    Always ground the product as per the
    wiring diagram. Do not connect the
    ground wire to gas or water pipes
    lightening rod or telephone ground wire.
    • There is risk of fire or electric shock.
    Do not modify or extend the power cable.
    If the power cable or cord has scrathes or
    skin peeled off or deteriorated then it
    must be replaced.
    • There is risk of fire or electric shock.
    Never install the outdoor unit on a
    moving base or a place from where it
    can fall down.
    • The falling outdoor unit can cause damage or
    injury or even death of a person.

    In outdoor unit the step-up capacitor
    supplies high voltage electricity to the
    electrical components. Be sure to
    discharge the capacitor completely
    before conducting the repair work.

    When installing the unit, use the
    installation kit provided with the product.

    • An charged capacitor can cause electrical
    shock.

    • Otherwise the unit may fall and cause severe
    injury.

    Do not use a multi consent. Always use
    this appliance on a dedicated cicuit and
    breaker.
    • Otherwise it can cause electric shock or fire.
    Install the panel and the cover of control
    box securely.

    • There is risk of fire or electric shock due to
    dust , water etc.
    For installation, removal or reinstall ,
    always contact the dealer or an
    Authorized Service Center.
    • There is risk of fire, electric shock, explosion,
    or injury.
    When the product is soaked (flooded or
    submerged) in water , contact an
    Authorized Service Center for repair
    before using it again.
    • There is risk of fire or eletric shock.
    Be sure to use only those parts which
    are listed in the svc parts list. Never
    attempt to modify the equipment.

    • The use of inappropriate parts can cause an
    electrical shock, excessive heat generation or
    fire.

    Owner's Manual 3

    ENGLISH

    To prevent injury to the user or other people and property damage, the following instructions must be followed.
    ■ Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by
    the following indications.



  • Page 4

    Safety Precautions
    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.

    Safely dispose off the packing materials.
    Like screws, nails, batteries, broken
    things etc after installation or svc and
    then tear away and thraw away the plastic
    packaging bags.

    Make sure to check that the power cable
    plug is not dirty, loose or broken and
    then only insert the plug completely.

    • Improper or loose connections can cause
    heat generation or fire.

    • Children may play with them and cause
    injury.

    • Dirty, loose or broken power plug can
    cause electric shock or fire.

    Be sure to check the refrigerant to the
    used. Please read the label on the product.

    Don't use a power cord, a plug or a loose
    socket which is damaged.

    Do not touch , operate, or repair the
    product with wet hands. Hold the plug by
    hand when taking out

    • Incorrect refrigerant used can prevent the
    normal operation of the unit.

    • Otherwise it may cause a fire or electrical
    shock.

    Do not place a heater or other heating
    appliances near the power cable.

    Do not allow water to run into electric
    parts. Install the unit away from water
    sources.

    • There is risk of fire and electric shock.
    Do not use the product in a tightly closed
    space for a long time. Perform ventilation
    regularly.

    • There is risk of fire, failure of the product, or
    electric shock.
    Do not open the front grille of the product
    during operation. (Do not touch the
    electrostatic filter, if the unit is so equipped.)

    • There is risk of electric shock or fire.
    Do not store or use or even allow
    flammable gas or combustibles near the
    product.
    • There is risk of fire.
    If strange sounds, smell or smoke comes
    from product.Immediately turn the breaker
    off or disconnect the power supply cable.

    • Oxygen deficiency could occur and hence
    harm your health.

    • There is risk of physical injury, electric shock,
    or product failure.

    • There is risk of electric shock or fire.

    Ventilate the product room from time to
    time when operating it together with a
    stove, or heating element etc.

    Turn the main power off and unplug the
    unit when cleaning or repairing the
    product.

    When the product is not to be used for a
    long time, disconnect the power supply
    plug or turn off the breaker.

    • Oxygen deficiency can occur and hence harm
    your health.
    Take care to ensure that nobody
    especially kids could step on or fall onto
    the outdoor unit.
    • This could result in personal injury and
    product damage.

    • There is risk of electric shock.
    Take care to ensure that power cable
    could not be pulled out or damaged
    during operation.
    • There is risk of fire or electric shock.

    Do not plug or unplug the power supply plug to turn the unit
    ON/OFF .
    • There is risk of fire or electric shock.

    Two or more people must lift and
    transport the product.
    • Avoid personal injury.
    Keep level even when installing the
    product.
    • To avoid vibration or noise.

    4 Room Air Conditioner

    • There is risk of product damage or failure, or
    unintended operation.
    Do not place ANYTHING on the power
    cable.
    • There is risk of fire or electric shock.

    When flammable gas leaks, turn off the gas and open a window
    for ventilation before turn the product on.
    • Do not use the telephone or turn switches on or off. There is risk of
    explosion or fire.

    Do not install the product where it will be
    exposed to sea wind (salt spray) directly.
    • It may cause corrosion on the product.
    Do not install the product where the noise
    or hot air from the outdoor unit could
    damage or disturb the neighborhoods.
    • It may cause a problem for your neighbors
    and hence dispute.

    Install the drain hose to ensure that the
    condensed water is drained away properly.
    • A bad connection may cause water leakage.
    Always check for gas (refrigerant)
    leakage after installation or repair of
    product.
    • Low refrigerant levels may cause failure of
    product.



  • Page 5

    Safety Precautions
    Do not use the product for special purposes,
    such as preserving foods, works of art, etc. It
    is a consumer air conditioner, not a precision
    refrigeration system.
    • There is risk of damage or loss of property.

    • There is risk of personal injury.

    Do not insert hands or other objects
    through the air inlet or outlet while the
    product is operating.
    • There are sharp and moving parts that could
    cause personal injury.
    Do not tilt the unit when removing or
    uninstalling it.
    • The condensed water inside can spill .

    Dismantling the unit, treatment of the
    refrigerant oil and eventual parts should
    be done in accordance with local and
    national standards.

    • It may cause product failure.

    Do not step on or put anyting on the
    product. (outdoor units)
    • There is risk of personal injury and failure of
    product.
    Be cautious when unpacking and
    installing the product.
    • Sharp edges could cause injury.

    Do not mix air or gas other than the
    specified refrigerant used in the system .

    • The chemicals in batteries could cause burns
    or other health hazards.

    Do not expose your skin or kids or
    plants to the cool or hot air draft.
    • This could harm to your health.

    • There is risk of fire, electric shock, or damage
    to the plastic parts of the product.
    Always insert the filter securely after
    cleaning. Clean the filter every two weeks
    or more often if necessary.
    • A dirty filter reduces the efficiency.

    If the refrigerant gas leaks during the
    repair, do not touch the leakaing
    refrigerant gas.
    • The refrigernat gas can cause frostbite (cold
    burn)
    If the refrigerant gas leaks during the
    installation, ventilate the area immediately.

    • If air enters the refrigerant system, an
    excessively high pressure results, causing
    equipment damage or injury.

    • Otherwise it can be harmfull for your health.

    Replace the all batteries in the remote
    control with new ones of the same type.
    Do not mix old and new batteries or
    different types of batteries.

    Do not recharge or disassemble the
    batteries. Do not dispose off batteries in
    a fire.

    • There is risk of fire or product failure.
    If the liquid from the batteries gets onto
    your skin or clothes, wash it well with
    clean water. Do not use the remote if the
    batteries have leaked.

    Use a soft cloth to clean. Do not use
    harsh detergents, solvents or splashing
    water etc .

    If you eat the liquid from the batteries,
    brush your teeth and see doctor. Do not
    use the remote if the batteries have
    leaked.
    • The chemicals in batteries could cause
    burns or other health hazards.

    Do not drink the water drained from the
    product.
    • It is not sanitary and could cause serious
    health issues.

    Do not insert hands or other objects air inlet while the brush is
    operating.
    • Moving parts could cause personal injury and product failure

    • They may burn or explode.
    Do not let the air conditioner run for a
    long time when the humidity is very high
    and a door or a window is left open.
    • Moisture may condense and wet or damage
    furniture.

    Use a firm stool or ladder when cleaning,
    maintaining or repairing the product at an height.
    • Be careful and avoid personal injury.

    Do not move the brush by force.
    • It may cause product failure

    Owner's Manual 5

    ENGLISH

    Do not touch the metal parts of the
    product when removing the air filter.

    Do not block the inlet or outlet of air flow.



  • Page 6

    Electrical Safety

    Electrical Safety
    • This appliance must be properly grounded.
    To minimize the risk of electric shock, you must alway plug into a grounded oulet.
    • 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.
    • If you have any doubt whether the air conditioner is properly grounded, have the wall receptacle and
    circuit checked by a qualified electrician.

    Temporary Use of an Adapter
    We strongly discourage the use of an adapter due to potential safety hazards. For temporary connections,
    use only a genuine adapter, available from most local hardware stores. Ensure that the large slot in the
    adapter is aligned with the large slot in the receptacle for a proper polarity connection.
    To disconnect the power cord from the adapter, use one hand on each to avoid damaging the ground
    terminal. Avoid frequently unplugging the power cord as this can lead to eventual ground terminal damage.

    • Never use the appliance with a broken adapter.

    Temporary Use of an Extension Cord
    We strongly discourage the use of an extension cord due to potential safety hazards. For temporary
    situations, use safety standard certified 3-wire grounded extension cords.

    This appliance should be installed in accordance with national wiring regulations. This guide acts as a
    guide to help to explain product features.

    Symbols used in this Manual
    This symbol alerts you to the risk of electric shock.
    This symbol alerts you to hazards that may cause harm to the
    air conditioner.

    NOTE

    This symbol indicates special notes.

    6 Room Air Conditioner



  • Page 7

    Product Introduction

    Product Introduction

    Indoor Units
    Brush

    Air Filter
    Brush

    Hose

    Signal receiver
    ON/OFF button

    Front grille

    LED
    Flap
    (Horizontal blade)

    Suction Motor
    Dust Box

    Air outlet

    Operation Indication Lamps
    On/Off

    : Lights up during the system operation, error code and auto restart setting.

    Energy-Saving : Lights up during Energy-Saving Cooling Mode Operation
    Cooling Mode
    Timer

    : Lights up during timer operation or sleep mode auto operation (Inverter Model only)

    Defrost mode : Lights up during defrost mode or *hot start operation
    * Hot start operation: Stops the indoor fan in heating operation for minutes to prevent cold air from blowing out
    from unit.
    * In defrost mode unit stops heating operation for few minutes to remove formation of ice on the heat
    exchanger coils to maintain the efficiency.

    Outdoor Unit
    Air Intake Vents

    Connecting
    Wires

    Drain Hose
    Piping

    Air Outlet Vents
    Base Plate

    Owner's Manual 7

    ENGLISH

    Here is a brief introduction of the indoor and outdoor units. Please see the information specific to your
    indoor unit type.



  • Page 8

    Operating Instructions

    Operating Instructions
    How to insert the Batteries
    1. Remove the battery cover by pulling it according to the arrow
    direction.
    2. Insert new batteries making sure that the (+) and (-) of battery are
    installed correctly.
    3. Reattach the cover by sliding it back into position.

    NOTE
    1. Always use/replace both batteries of same type.
    2. If the system is not to be used for a long time, remove the
    batteries to save their working life.
    3. If the display screen of remote controller starts, fading replace
    both of the batteries.

    Wireless Remote Controller Maintenance
    1. Choose a suitable place where its safe & easy
    to reach.
    2. Fix the holder to wall etc with the supplied
    screws firmly.
    3. Slide the remote controller inside the holder.

    NOTE
    1. Remote controller should never be exposed to
    direct sunlight.
    2. Signal transmitter & receiver should always be
    clean for proper communication. Use a soft
    cloth to clean them.
    3. In case some other appliances also get
    operated with remote control, change their
    position or consult your serviceman.

    Operating Method
    1. The signal receiver is inside the unit.
    2. Aim the remote controller towards the unit to operate it.
    There should not be any blockage in between.

    8 Room Air Conditioner



  • Page 9

    Operating Instructions

    Wireless Remote Controller
    The controls will look like the following.

    1. ON/OFF BUTTON
    Used to turn off/on the unit.
    2. OPERATION MODE SELECTION BUTTON
    Used to select the operation mode.
    3. ROOM TEMPERATURE SETTING BUTTONS
    Used to select the room temperature.
    4. INDOOR FAN SPEED SELECTOR BUTTON
    Used to select fan speed in four steps low, medium,
    high and CHAOS.

    14

    1
    SLEEP

    10

    2
    5
    17
    8
    13
    9
    15

    5. JET COOL/HEAT BUTTON
    Used to start or stop the speed cooling and heating .
    (It operates fan in super high speed in cooling and
    heating mode)

    4
    3

    6. NEW CHAOS SWING
    Used to stop or start louver movement and set the
    desired up/down airflow direction.

    18
    6
    7

    7. TIMER AND TIME SETTING BUTTON
    Used to set the time of starting / stopping and
    sleeping operation

    11
    16
    8
    12

    8. TIME SETTING BUTTONS
    Used to adjust the time.
    9. TIMER SET / CLEAR BUTTON
    Used to set and to cancel the timer operation.
    10. SLEEP MODE AUTO BUTTON
    Used to set sleep mode auto operation.

    Operation Mode
    Cooling Operation
    Auto Operation or Auto Changeover

    Healthy Dehumidification Operation
    Heating Operation
    Air Circulation

    11. ROOM TEMPERATURE CHECKING BUTTON
    Used to check the room temperature.
    12. RESET BUTTON
    Used prior to resetting time.
    13. FUNCTION SETTING BUTTON
    Used to set auto clean and smart clean mode
    regularly.
    14. SMART CLEAN BUTTON
    Used to start or stop the smart clean function.
    15. CLEAR ALL BUTTON
    Used to cancel all timer setting.
    16. ENERGY SAVING COOLING BUTTON
    Used to save Energy.
    17. LED LUMINOSITY BUTTON
    Used to adjust brush and display LED luminosity.
    18. HORIZONTAL AIRFLOW DIRECTION CONTROL
    BUTTON
    Used to set the desired horizontal airflow direction.

    Owner's Manual 9

    ENGLISH

    Signal transmitter



  • Page 10

    Operating Instructions

    Operation Mode

    SLEEP

    4

    Press the ON/OFF BUTTON to turn
    the unit on.
    The unit will respond with a beep.

    2

    Open the door of the remote controller and press the
    operation mode button. Each time the button is pressed, the
    operation mode is shifted in the direction of the arrow.

    1
    3
    4
    2

    3

    1

    Cooling

    Auto
    Healthy
    Heating
    Changeover Dehumidification (Heat pump model only) Air Circulation

    Auto Operation (Cooling Only Model)
    Auto Changeover (Heat Pump Model)

    For cooling or heating operation set the desired indoor
    temperature by pressing the ROOM TEMPERATURE
    SETTING BUTTONS.
    For cooling the temperature can be set within 18°C~30°C and
    for heating the temperature range is 16°C~30°C.

    To raise the temperature by 1°C
    To lower the temperature by 1°C

    Set the fan speed with the remote controller. You can select the fan speed in four steps-low,
    medium, high and CHAOS by pressing the INDOOR FAN SPEED SELECTOR BUTTON.
    Each time the button is pressed, the fan speed mode is shifted.

    CHAOS Air

    Fan speed is on low.

    Fan speed is on medium.

    Fan speed is on high.

    Natural wind by the CHAOS logic
    ❏ For fresher feeling, press the INDOOR FAN SPEED SELECTOR BUTTON and set to CHAOS mode.
    In this mode, the wind blows like a natural breeze by automatically changing fan speed according to the CHAOS logic.

    10 Room Air Conditioner



  • Page 11

    Operating Instructions

    Healthy Dehumidification Operation

    Air Circulation Operation
    This operation circulates the air without cooling or heating. It can
    be activated by pressing the OPERATION MODE SELECTION
    BUTTON. Once the air circulation is activated you can select the
    air speed by pressing the INDOOR FAN SPEED SELECTOR
    BUTTON.

    NOTE
    CHAOS Air economizes power consumption and prevents overcooling. The fan speed is automatically
    changed from high to low or vice versa, depending on the ambient temperature.

    Auto Operation (Cooling Only Model)
    In this operation mode the actual setting temperature and the fan
    speed are automatically set by the electronic control logic based on
    the current room temperature. If you feel hot or cold press the
    temperature setting buttons respectively for more cooling or
    heating effect.
    NOTE : You cannot set the actual setting temperature and the indoor fan
    speed in this operation mode. But you can use the Chaos swing
    in this operation.
    If the system is not operating as desired, switch manually to another mode.

    Owner's Manual 11

    ENGLISH

    During Healthy Dehumidification Operation
    ❏ If you select the dehumidification mode on the OPERATION MODE SELECTION
    BUTTON, the product starts to run the dehumidification function. It automatically sets
    the room temperature and airflow volume to the best condition for dehumidification,
    based on the sensed current room temperature.
    In this case, however, the setting temperature is not displayed on the remote controller
    and you are not able to control the room temperature either.
    ❏ During the healthy dehumidification function, the airflow volume is automatically set
    according to the optimization algorithm responding to the current room temperature
    status, so that the room condition is kept healthy and comfortable even in the very
    humid season.



  • Page 12

    Operating Instructions

    Auto Changeover Operation (Heat Pump Model)
    Auto operation basically is heating or cooling function of the air
    conditioner. But during this operation the controller changes the
    operation mode automatically to keep the temperature within
    ±2°C with respect to the setting temperature.

    Jet Cool/Heat Operation
    Jet cool function can be used to cool the room quickly in hot summer. When this
    function is turned on, the air conditioner runs in cooling operation mode with super
    high fan speed and 18°C setting temperature for 30 minutes for fast and effective
    cooling.
    Similarly, jet heat function (available only in some models) warms up the room quickly
    by operating at super high fan speed and 30°C setting temperature for 60 minutes.

    You can activate this operation by pressing the JET COOL/HEAT BUTTON.
    To change from jet cool mode to high fan speed cooling mode, press the JJET COOL/HEAT
    BUTTON or INIDOOR FAN SPEED SELECTOR BUTTON or the ROOM TERPERATURE SETTING
    BUTTON again.

    NOTE
    • Jet cool function cannot be activated during auto changeover operations.
    • In case of Inverter, Art Cool and Art Cool Wide(non-Deluxe) model, you can use jet heat function by
    pressing JET COOL/HEAT BUTTON for heating operation.
    • Art Cool and Art Cool Wide models close the side discharges during jet cool/heat operation, for strong
    cooling and heating.

    12 Room Air Conditioner



  • Page 13

    Operating Instructions

    Smart Clean Operation

    Clean the air filter

    5
    2
    Return setting
    location

    4

    1

    3

    1. When the Smart Clean starts, the indoor fan operates the 2-minute Air circulation operation and the
    3-minute Heating opeartion.
    Water is removed from the heat exchanger.
    • At this time, the LED of the brush is turned on.
    • The fan operates at the low speed.
    • The louver is a little open.
    2. When the fan is stopped after 5 minutes, the brush starts cleaning the dust from the filter.
    • The brush moves to the right.
    • The LED blinks while the brush is cleaning.
    • The noise caused by the brush moving over the filter may be occurred.
    3. When the brush arrives at the dust sucking hole at the right side of the filter, it reciprocates left and
    right three times to clean the dust from the brush.
    • At this time, the dust sucking motor operates for 1 minute and 30 seconds.
    • Some noise may be generated from the motor to suck the dust.
    4. When the sucked dust is collected into the dust box, the brush returns to the original position not to
    interfere the operation of the air conditioner.
    • The sucking motor is stopped.
    • The LED of the brush blinks and moves to the left side of the filter.
    5. When the brush arrives at the original position, the Smart Clean function is ended.
    • The LED is turned off.

    NOTE
    The Smart Clean function can be used by setting to manual or automatic.
    • It is set to the manual mode at the time of the product shipment.

    Owner's Manual 13

    ENGLISH

    The brush automatically cleans dust accumulated on the filter by reciprocating the air filter.
    The efficiency of the air conditioner can be improved by cleaning the filter at the air inlet.
    The cleaned dust is automatically collected into the dust box by the sucking motor.
    You may directly clean the air filter.
    It's better to clean the filter biannually or when needed.



  • Page 14

    Operating Instructions

    Manual Smart Clean Operation
    When you press the Smart Clean button of the remote controller
    with the air conditioner stopped, the Smart Clean function operates.

    • The Smart Clean function does not operate while the air conditioner operates.
    When you press the Smart Clean button of the remote controller while the Smart Clean
    function operates, the Smart Clean function is ended.
    At this time, the LED of the brush blinks and returns to the original position (at the left side of
    the filter) not to interfere the operation of the air conditioner.
    • When you press the Smart Clean button to enable the Smart Clean function while the brush is returning to the original
    position, the Smart Clean starts after the brush arrives at the original position. (The LED is turned off while returning.)

    NOTE
    • Smart Clean Set to the manual mode at the time of the product shipment.
    • The Brush stop to working when the Front Grill is open. If the Front Grill is closed, the Brush restarts moving
    for the cleaning Air Filter. If the Front Grill is opened for a long time while the Smart Clean operates, when
    the Front Grill is closed, the Smart Clean is automatically ended and the brush returns to the initial position.
    • When the Smart Clean Operation is ended, the Smart Clean Mark is automatically disappeared from the
    screen of the remote controller after a while. But, if the Auto Smart Clean is set, the Smart Clean Mark is
    not disappeared.

    Auto Smart Clean Operation
    If the accumulated operation time of the product exceeds 30 hours, the Smart Clean automatically starts when the air
    conditioner is ended.
    1. Select ‘Smart clean’ by the function setting button( ) .
    (The order of Auto clean ➞ Smart clean ➞ Off is repeated\whenever you press the button.)
    2. Set the Smart clean function by using the SET/CLEAR button

    NOTE
    • When the Auto Smart Clean Operation is set, the Smart Clean automatically operates, so the separate
    operation is not needed.
    • When it is ended due to the reserved operation or the sleeping operation, the Auto Smart Clean Operation
    does not operate. When you operate the Manual Smart Clean with the Auto Smart Clean set, you can
    check whether the Manual Smart Clean is executed or stopped by hearing the "beep" sound of the product.
    (The Smart Clean Mark continues to be displayed on the screen of the remote controller.)
    • Operating the Smart Clean may cause to generate some noise from the sucking motor and the brush. The
    noise from the brush and the sucking motor may be felt even louder because the surrounding condition is
    quiet at night.

    14 Room Air Conditioner



  • Page 15

    Operating Instructions

    Auto Clean Operation
    ❏ During auto clean function, moistures left in indoor units after cooling operation or healthy dehumidification
    operation can be removed.

    NOTE
    ❏ During auto clean function, only ON/OFF BUTTON
    The Auto Clean Operation does not operate while the Auto Smart Clean Operation operates.

    Owner's Manual 15

    ENGLISH

    • Select ‘Auto clean’ by the function setting button(
    ).
    (The order of Auto clean ➞ Smart clean➞ Off is repeated
    whenever you press the button.) Set the Smart clean function by
    using the SET/CLEAR button.
    • Now whenever the unit is turned off, the indoor fan is still running
    for about 30 minutes internally without cooling or
    dehumidification operation. Also the louver is closed.
    • This dries up any remains of moisture & cleans the unit internally.
    • If you operation, this function is cancelled.



  • Page 16

    Operating Instructions

    Energy-Saving Cooling Mode (Optional)
    Energy-saving cooling mode can save energy in cooling and healthy dehumidification operation, because it
    can operate efficiently by setting body-adaptation time according to the change of time and temperature and
    adjusting automatically desired temperature.
    1. Press the ON/OFF BUTTON to start the unit.
    2. Open the door of the remote controller.
    Select cooling operation or healthy dehumidification operation.
    3. Press the ENERGY-SAVING COOLING MODE BUTTON.
    4. To cancel the energy-saving cooling mode, press the ENERGY-SAVING
    COOLING MODE BUTTON again and unit will operate in previous
    mode(Cooling or healty dehumidification mode).

    Display Luminosity(Optional)
    The Display Luminosity can be adjusted by using the remote control.
    Open the door by using the remote control and press the LED LUMINOSITY button.
    Brush and Display LED will be dark. Press the button again to set bright display.
    (The order of 100% ➞ 50% LUMINOSITY is repeated whenever you press the button.)

    Forced operation
    Operation procedures when the remote control can't be used.
    The operation will be started if the ON/OFF button is pressed.
    If you want to stop operation, re-press the button.

    ON/OFF
    button

    Cooling Model
    Operating mode
    Indoor FAN Speed
    Setting Temperature

    Cooling
    High
    22°C

    Room Temp. ≥ 24°C
    Cooling
    High
    22°C

    Heat pump Model
    21°C ≤ Room Temp. < 24°C
    Healthy Dehumidification
    High
    23°C

    Room Temp. < 21°C
    Heating
    High
    24°C

    Test operation
    During the TEST OPERATION, the unit operates in cooling mode at high speed fan, regardless of room temperature
    and resets in 18 minutes.
    During test operation, if remote controller signal is received, the unit operates as remote controller sets.
    If you want to use this operation, Press and hold the ON/OFF button for 3~5 seconds, then the buzzer sound 1 "beep".
    If you want to stop the operation, re-press the button.

    16 Room Air Conditioner



  • Page 17

    Operating Instructions

    Setting the Current Time
    1. Press the TIMER BUTTON for 3 seconds.

    3. Press the SET / CLEAR BUTTON.

    • By pressisn the
    current time.

    ENGLISH

    2. Press TIME SETTING BUTTONS
    until the desired time is set.
    • The order of A.M. and P.M ➞ time ➞ minute is
    repeated whenever you press the
    button.
    button, you can set the

    NOTE
    Check the indicator for A.M. and P.M.

    Timer Setting
    1. Press the ON/OFF Timer
    buttons to turn timer on or off.

    3. Press the SET / CLEAR BUTTON.

    2. Press TIME SETTING BUTTONS
    until the desired time is set.

    NOTE

    Select one of the following three types of operation.

    Timer On

    Timer Off

    To cancel the timer setting
    • If you wish to cancel all timer setting, press the CLEAR ALL BUTTON.
    • If you wish to cancel individual timer setting , press the
    TIMER BUTTON to turn timer sleep or on/off what you want.
    And then press the SET/CLEAR BUTTON aiming the remote
    controller at the signal receptor.
    (The timer lamp on the air conditioner and the display will go off.)

    Sleep Mode
    Press the SLEEP MODE AUTO BUTTON to set the time when you want
    the unit to stop automatically. The timer is programmed in one-hour
    increments by pressing the SLEEP MODE AUTO BUTTON 1 to 7 times.
    The sleep mode is available for 1 to 7 hours.

    Timer Sleep

    NOTE
    • The sleep mode will operate indoor fan at slow speed in cooling mode and at medium speed in heating mode
    for pleasant sleep.
    • Art Cool and Art Cool Wide (non-Deluxe) close the lower discharge partially in sleep mode for pleasant sleep.
    In cooling mode or healthy dehumidification mode:
    The setting temperature will rise automatically two times by 1°C over next consecutive 30 minutes (2°C in 1
    hour) for a comfortable sleep. Now this will be the final setting temperature as long as sleep mode is functioning.

    Owner's Manual 17



  • Page 18

    Operating Instructions

    Vertical / Horizontal Airflow Direction Control (Optional)
    The up/down airflow (Vertical airflow) can be
    adjusted by using the remote controller.

    The left/right(Horizontal airflow) can be adjusted
    by using the remote control.

    1. Press the ON/OFF BUTTON to start the unit.

    1. Press the ON/OFF BUTTON to start the unit.

    2. Press NEW CHAOS SWING
    BUTTON.
    3. The louvers will swing up &
    down automatically.

    4. To stop the louver at a desired
    angle, press
    again

    2. Press the HORIZONTAL AIRFLOW
    DIRECTION BUTTON.
    3. The louvers will swing left &
    right automatically.

    4. To stop the louvers at a desired
    angle, press
    again.

    NOTE
    • By pressing the CHAOS SWING BUTTON the horizontal air flow direction is changed automatically based on the chaos
    algorithm to distribute the air in the room evenly and at the same time to make the human body feel most comfortable as if
    enjoying natural breeze.
    • Manually moving the vertical air flow direction louver by hand could damage the mechanism.When the unit is shut off, the
    up/down airflow direction louver will close the air outlet vent of the system.
    • The Chaos Swing may not run correctly during sleep mode.

    Auto Restart Function
    This function is useful in the situation of power failure.
    When power regains after a failure this feature restore the previous operating condition
    and the air conditioner will run in the same settings.

    NOTE
    This feature is enabled by factory default setting, but you
    can disable it by pressing the ON/OFF button for 6 seconds.
    The unit will beep twice and the indicator lamp(2) will blink 4
    times.
    To enable it, press the button again for 6 seconds. The unit
    will beep twice and the indicator lamp(1) will blink 4 times.

    ON/OFF
    button

    18 Room Air Conditioner



  • Page 19

    Maintenance and Service

    Maintenance and Service

    Indoor Unit
    Clean the unit with a soft dry cloth. Do not use bleach or abrasives.
    Never use any of these
    • Water hotter than 40°C. It may cause deformation and discoloration.
    • Volatile substances. They may damage the surface of the air conditioner.

    Pow

    d er

    G a s o li n e

    Air Filters
    To remove the filters see the self explanatory diagrams for each
    model type. Clean the filters with a vacuum cleaner or warm soapy
    water. If dirt is not easily removed, wash with a solution of detergent
    in luke warm water. Dry well in shade after washing and reinstall the
    filters back in place.
    When thinking about buying a new Air Filter, Please contact your
    dealer/serviceman

    Deodorizer Filters
    Remove the deodorizer filters behind the air filter and expose them in
    direct sunlight for 2 hours.
    And then insert these filters into original position.

    Dust Box
    The dust box should be cleaned every 3 years.
    (The capacity of the dust box is designed to collect the amount of dust accumulated at the air conditioner
    filter for 5 years based on the general house.)

    Owner's Manual 19

    ENGLISH

    Before performing any maintenance, turn off the main power to the system, disconnect the circuit breaker and
    unplug the power cord.



  • Page 20

    Maintenance and Service

    Removal of Filters
    • Open the front panel of the air conditioner.
    • Hold and lift up slightly the filter holder to disconnect from the hook, and then pull out the filter.
    • When you install the filter again, let the left/right ribs of the filter be inserted into the slot of the product.
    • Push the filter to put into the hook.

    2
    2
    1

    Front panel

    1

    1

    2

    1
    1
    2
    2

    NOTE
    • Incorrectly installing the filter interferes the operation of the brush, which may make the Smart Clean
    abnormally operate.
    • When installing the filter, make sure that the left/right ribs of the filter are correctly inserted into the slot.
    • The filter should be periodically cleaned.

    Clean of the dust sucking inlet
    • Clean the dust sucking inlet by using the supplied brush. (Perform cleaning periodically or when the dust
    sucking inlet gets dirty.)
    • After cleaning with the brush, use the vacuum
    • Cleaner to clean the dust sucking inlet and the dust outlet.

    20 Room Air Conditioner



  • Page 21

    Maintenance and Service

    Outdoor Unit

    NOTE
    Dirty or clogged coils will reduce the operating efficiency of the system and cause higher operating costs.

    Operation Tips!
    Do not overcool the room.
    This is not good for the health and
    wastes electricity.

    Make sure that the
    doors and windows
    are shut thight.
    Avoid opening doors and
    windows as much as
    possible to keep the cool
    air in the room.

    Keep blinds or curtains
    closed.

    Keep the room temperature
    uniform.

    Do not let direct sunshine enter
    the room when the air conditioner
    is in operation.

    Clean the air filter
    regularly.
    Blockages in the air filter
    reduce the airflow and
    lower cooling and
    dehumidifying effects.
    Clean at least once every
    two weeks.

    Adjust the vertical and horizontal
    airflow direction to ensure a
    uniform temperature in the room.

    Ventilate the room
    occasionally.

    Use high fan speed
    for effective and fast
    cooling.

    Since windows are kept
    closed, it is a good idea
    to open them and
    ventilate the room now
    and ten.

    The unit gives its rated
    cooling capacity when the
    fan speed is high.

    Self-Diagnosis Function
    This unit has an inbuilt error diagnosis capability. Unit LED will blink in case if thermistor fails.
    Please contact your serviceman/dealer in such a situation
    Error Display LED
    (once)

    3 sec

    (once)

    3 sec

    3 sec

    3 sec

    3 sec

    3 sec

    Owner's Manual 21

    ENGLISH

    The heat exchanger coils and panel vents of the outdoor unit should be checked regularly.
    If clogged with dirt or soot, the heat exchanger
    and panel vents may be professionally steam cleaned.



  • Page 22

    Maintenance and Service

    Troubleshooting Tips! Save time and money!
    The air conditioner may be operating abnormally when:
    Problem

    Air
    conditioner
    does not start

    Air
    conditioner
    does not cool
    as it should

    Brush dose
    not work

    Possible Causes

    What To Do

    ■ The air conditioner is
    unplugged.

    • Make sure the air conditioner plug is
    pushed completely into the outlet.

    ■ The fuse is blown/circuit
    breaker is tripped.

    • Check the house fuse/circuit breaker box
    and replace the fuse or reset the breaker.

    ■ Power failure.

    • If power failure occurs, turn the mode
    control to OFF.
    When power is restored, wait 3 minutes to
    restart the air conditioner to prevent
    tripping of the compressor overload.

    ■ High voltage.

    • If the voltage is unusually very high or low
    the circuit Breaker will trip.

    ■ Airflow is restricted.

    • Make sure there are no curtains, blinds, or
    furniture blocking the front of the air
    conditioner.

    ■ The air filter is dirty.

    • Clean the filter at least every 2 weeks.
    See the Maintenance and Service section.

    ■ The room may have been hot.

    • When the air conditioner is first turned on,
    you need to allow time for the room to cool
    down.

    ■ Cold air is escaping.

    • Check for open furnace floor registers and
    cold air returns.

    ■ Check the temperature settings.

    • Make sure they are correct.

    ■ There might be any heating
    source in the room.

    • Check and remove such source or turn it
    off while using the air conditioner.

    ■ Air conditioner is working

    • Turn off the Air conditioner.Smart Clean
    operation doesn’t run when Air conditioner
    is working.

    ■ Front Grill is open

    • Close the Front Grill.

    ■ Air Filter interrupt the moving
    Brush

    • Check the Air Filter whether it set orderly.
    See the Maintenance and Service section.

    Call the service immediately in the following situations
    1. Anything abnormal such as burning smell, loud noise etc. happen. Stop the unit and
    turn the breaker off. Never try to repair by yourself or restart the system in such cases.
    2. Main power cord is too hot or damaged.
    3. Error code is generated by self diagnosis.
    4. Water leaks from indoor unit even if the humidity is low.
    5. Any switch, breaker (safety, earth) or fuse fails to work properly
    User must carry routine checkup & cleaning to avoid unit’s poor performance.
    In case of special situation, the job must be carried out by service person only.
    22 Room Air Conditioner






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