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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.: MFL41604501
ENGLISH
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1

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Inhalt der Seiten


  • Page 1

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

    êìëëäàâ üáõä

    LG
    Room Air Conditioner

    ENGLISH

    LG

    OWNER'S MANUAL

    ìäêÄ∫çëúäÄ

    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.

    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.: MFL41604501



  • 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
    Operation Indication Lamps ..................8
    Outdoor Unit ..........................................8
    D. Operating Instructions........................9
    How to insert the Batteries ....................9
    Wireless Remote Controller
    Maintenance..........................................9
    Operating Method..................................9
    Wireless Remote Controller.................10
    Operation Mode...................................11
    Healthy Dehumidification Operation....12
    Auto Operation
    (Cooling Only Model)...........................12
    Auto Changeover Operation
    (Heat Pump Model) .............................12
    Jet Cool/Heat Operation......................13
    NEO Plasma Purification or NEO
    Plasma + Ion Operation (Optional)......13
    Auto Clean (Optional)..........................13
    Energy-Saving Cooling Mode
    (Optional).............................................14
    Forced operation .................................14
    Sleep Mode .........................................15
    Setting the Current Time .....................15
    Timer Setting .......................................15
    Vertical / Horizontal Airflow Direction
    Control (Optional) ................................16
    Air Circulation Mode ............................16
    Auto Restart Function..........................16
    E. Maintenance and Service..................17
    Indoor Unit...........................................17
    Outdoor Unit ........................................19
    Operation Tips!....................................19
    Self-Diagnosis Function ......................19
    Troubleshooting Tips!
    Save time and money!.........................20
    Call the service immediately in the
    following situations ..............................20

    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 .

    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.
    • 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.

    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.

    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.

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

    • Moisture may condense and wet or damage
    furniture.

    • It is not sanitary and could cause serious
    health issues.

    • There is risk of fire, electric shock, or damage
    to the plastic parts of the product.

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

    • There is risk of fire or product failure.

    Do not drink the water drained from the
    product.

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

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

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

    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.

    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.

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

    ENGLISH

    Indoor Units
    Standard Split Type
    Display panel LED indicators
    Air inlet
    Grille tab
    Plasma filter (Optional)
    Front grille
    ON/OFF button

    Air filter

    Air outlet

    Signal
    receiver
    Flap
    (Horizontal blade)

    Louvers
    (Vertical blades)

    Art Cool Type
    Display panel LED indicators
    Front panel
    Signal receiver

    Plasma filter

    Air filter

    ON/OFF button

    Power cord

    Air discharge

    Art Cool Type Wide
    Display panel LED indicators
    Plasma filter
    Air inlet
    Front panel
    Power cord
    Air filter
    Signal receiver

    ON/OFF button
    Air discharge

    Owner's Manual 7



  • Page 8

    Product Introduction
    Art Cool Deluxe(Type 1)
    Display panel LED indicators

    Art Cool Deluxe(Type 2)
    Display panel LCD indicators
    Air inlet
    Air filter

    Air inlet
    Plasma filter

    Plasma filter

    Air filter

    Air discharge

    Air discharge

    Front panel
    Power cord
    ON/OFF button

    Signal receiver

    Front panel
    Power cord
    Signal receiver

    ON/OFF button

    Operation Indication Lamps
    On/Off

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

    Sleep mode

    : Lights up during sleep mode auto operation.(non-Inverter Model)

    Energy-Saving : Lights up during Energy-Saving Cooling Mode Operation(Inverter Model only)
    Cooling Mode
    Plasma
    : The function illustrates its dynamic mode by using a multiple lighting system.
    Plasma and Ion
    : Lights up during timer operation.(non-Inverter Model)
    Lights up during timer operation or sleep mode auto operation (Inverter Model only)

    Timer

    Defrost mode : Lights up during defrost mode or *hot start operation (Heat pump model only)
    OUT
    DOOR

    Outdoor unit
    operation

    : Lights up during outdoor unit operation. (Cooling model only)

    Power Display : Indicates the setting temperature and operation mode.
    *SUB DISPLAY (OPTIONAL)
    (Blue: Plasma, Green: Auto clean, Orange: Ion)
    Blue Green Orange

    Operation Cooling, heating,
    mode Dehumidification Standard
    Mode

    Auto operation mode
    Too hot

    Hot

    Comfortable

    Cold

    Too cold

    Jet
    Test
    Energy-saving
    Cool/Heat cooling mode operation

    Auto
    clean

    Setting
    Shape of
    display temperature

    * 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
    Refrigerant pipes

    Air outlet vents
    Base plate

    8 Room Air Conditioner

    Drain hose



  • Page 9

    Operating Instructions

    Operating Instructions
    How to insert the Batteries
    ENGLISH

    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.
    4. Use 2 AAA(1.5volt) 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.

    Owner's Manual 9



  • Page 10

    Operating Instructions

    Wireless Remote Controller
    The controls will look like the following.
    Signal transmitter

    5

    1

    6
    3
    4
    10

    2
    7
    11
    8
    13

    CANCEL
    ON

    OFF

    9
    12
    17
    19
    18
    14

    SET
    AUTO CLEAN

    15

    16

    Flip-up door
    (opened)

    Operation Mode
    Cooling Operation
    Auto Operation or Auto Changeover

    Healthy Dehumidification Operation
    Heating Operation

    • Cooling Model(

    ), Heat Pump Model(

    NOTE

    )

    1. START/STOP 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.
    5. JET COOL BUTTON
    Used to start or stop the speed cooling.
    (It operates fan in super high speed in cooling mode)
    6. CHAOS SWING BUTTON
    Used to stop or start louver movement and set the
    desired up/down airflow direction.
    7. ON/OFF TIMER BUTTONS
    Used to set the time of starting and stopping
    operation.
    8. TIME SETTING BUTTONS
    Used to adjust the time.
    9. TIMER SET/CANCEL BUTTON
    Used to set and to cancel the timer operation.
    10. SLEEP MODE AUTO BUTTON
    Used to set sleep mode auto operation.
    11. AIR CIRCULATION BUTTON
    Used to circulate the room air without cooling or
    heating.
    ENERGY-SAVING COOLING MODE BUTTON
    (OPTIONAL) For inverter type models
    12. ROOM TEMPERATURE CHECKING BUTTON
    Used to check the room temperature.
    13. PLASMA BUTTON(OPTIONAL)
    Used to start or stop the plasma-purification or
    plasma + ion generation function.
    14. HORIZONTAL AIRFLOW DIRECTION CONTROL
    BUTTON (OPTIONAL)
    Used to set the desired horizontal airflow direction.
    15. RESET BUTTON
    Used prior to resetting time.
    16. 2nd F BUTTON
    Used prior to using modes printed in blue at the
    bottom of buttons.
    17. AUTO CLEAN BUTTON(OPTIONAL)
    Used to set auto clean mode.
    In some models this button has a 2nd function of LED
    luminosity control.
    18. HEATER BUTTON(OPTIONAL)
    (Not available in all models)
    19. LCD/LED LUMINOSITY BUTTON(OPTIONAL)
    Used to adjust LCD/LED luminosity.

    To use the functions printed in blue at the bottom of the buttons press 2nd F button first and then the required function
    button. Pressing the 2nd F button activates the blue printed function of the respective button. To cancel the function
    press the 2nd F button again else it will automatically cancel if remains idle after 10 seconds.

    10 Room Air Conditioner



  • Page 11

    Operating Instructions

    Operation Mode

    3

    Press the START/STOP 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.

    ENGLISH

    1

    1

    4
    ON

    2
    Cooling

    Auto
    Changeover

    Healthy
    Dehumidification

    Heating
    (Heat pump model only)

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

    3

    4

    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

    To lower the temperature

    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 selector 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.

    Owner's Manual 11



  • Page 12

    Operating Instructions

    Healthy Dehumidification Operation

    Healthy
    Dehumidification

    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.

    To run the healthy dehumidification mode follow steps 1, and 2 and 4
    (See operation mode)

    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.

    Auto

    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.
    To run the auto operation follow steps 1, and 2. (See operation mode)

    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.

    Auto
    Changeover
    To run this operation follow steps 1, 2, 3, and 4. (See operation mode)

    12 Room Air Conditioner



  • Page 13

    Operating Instructions

    Jet Cool/Heat Operation

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

    NOTE
    • Jet cool function cannot be activated during heating or 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
    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.

    NEO PLASMA Purification or NEO Plasma + Ion Operation (Optional)
    Plasma filter is a technology developed by LG to get rid of microscopic contaminants
    in the intake air by generating a plasma of high charge electrons. This plasma kills
    and destroys the contaminants completely to provide clean and hygienic air.
    Ionizer generates the ion for healthy. Ion stabilizes user's mind and it does good to
    respiratory.

    Plasma purification or plasma + ion generation can be started by pressing the PLASMA
    BUTTON on the remote controller. Repressing it will deactivate the operation.

    NOTE
    This feature can be used in any operation mode and any fan speed can be used while
    plasma filter is functioning.
    ❏ If NEO plasma plasma + ion generation function operates normally, blue and orange
    light appear at the sub display (Optional)

    Blue Green Orange

    Auto Clean (Optional)
    ❏ During auto clean function, moistures left in indoor units after cooling operation or healthy dehumidification
    operation can be removed.
    AUTO CLEAN 1. Press the AUTO CLEAN BUTTON to activate this function.
    2. 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.
    3. This dries up any remains of moisture & cleans the unit internally.
    4. If you press AUTO CLEAN BUTTON again during operation, this function is cancelled.

    NOTE
    ❏ During auto clean function, only START/STOP BUTTON, PLASMA BUTTON and AUTO CLEAN BUTTON
    can be used.
    ❏ If auto cleaner operates normally, green light appears at the sub display (Optional)

    Blue Green Orange

    Owner's Manual 13

    ENGLISH

    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.



  • Page 14

    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 START/STOP BUTTON to start the unit.
    2. Open the door on 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 MODEL 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.
    Press the start/stop button to start the unit. Open the door on the remote control, press the 2ndF button
    and, press display luminosity button.
    Display will be dark. Press the button again to set bright display.

    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.

    14 Room Air Conditioner



  • Page 15

    Operating Instructions

    Sleep Mode

    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.

    Setting the Current Time
    1. Time can be set only when you press the RESET BUTTON. Having replacing the batteries,
    you should press the RESET BUTTON to reset the time. Press the Start/Stop button.
    2. Press 2nd F button and check if

    icon is on.

    3. Press the TIME SETTING BUTTONS until the desired time is set.
    4. Press the TIME SET/CANCEL BUTTON.

    CANCEL
    SET

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

    Timer Setting
    1. Make sure to set current time correctly on the display of the remote controller.
    2. Press 2nd F button.
    3. Press the ON/OFF TIMER BUTTONS to turn timer on or off.

    ON

    OFF

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

    CANCEL

    5. To set the selected time, press the TIMER SETTING BUTTONS aiming the remote controller at the
    signal receptor.
    To cancel the timer setting
    Check if
    icon is off.
    Press the TIMER CANCEL BUTTON aiming the remote controller at the signal receptor.
    (The timer lamp on the air conditioner and the display will go off.)

    SET

    CANCEL
    SET

    NOTE
    Select one of the following four types of operation.

    Delay off timer

    Delay on timer

    Delay off and on timer

    Delay on and off timer

    Owner's Manual 15

    ENGLISH

    1. Press the SLEEP MODE AUTO BUTTON to set the time when you want the unit to stop automatically.
    2. 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 times.
    To alter the time period in steps of 1 hour, press the SLEEP MODE AUTO BUTTON while aiming at air conditioner.
    3. • (In case of non-Inverter Model)
    Make sure the sleep mode LED lights up.
    To cancel the sleep mode, press the SLEEP MODE AUTO BUTTON several times until the sleep mode LED lights off.
    • (In case of Inverter Model)
    Make sure the Timer LED lights up.
    To cancel the sleep mode, press the SLEEP MODE AUTO BUTTON several times until the Timer LED lights off.



  • Page 16

    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 START/STOP BUTTON to start the
    unit.

    1. Press the START/STOP BUTTON to start the
    unit.

    2. Press CHAOS SWING BUTTON.

    2. Press the HORIZONTAL AIRFLOW
    DIRECTION BUTTON.

    3. The louvers will swing up &
    down automatically.

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

    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.
    • Always use the remote controller to adjust the up and down air flow direction. 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.

    Air Circulation Mode
    This operation circulates the air without cooling or heating. It can
    be activated by pressing the AIR CIRCULATION 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.
    • In case of inverter type models where there is no AIR CIRCULATION BUTTON, air circulation can be
    operated by pressing the PLASMA BUTTON.

    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.

    16 Room Air Conditioner



  • Page 17

    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
    The air filters behind the front panel / grill should be checked and
    cleaned once in every 2 weeks or more often if necessary. 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.

    Plasma Filters
    The plasma filters behind the air filter should be checked and
    cleaned once in every 3 months or more often if necessary. To
    remove the filters see the self explanatory diagrams for each
    model type. Clean the filters with a vacuum cleaner. If it is dirty
    wash it with water and dry well in shade an install back in place.

    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.

    Removal of Filters
    1. Art Cool Type :
    Pull down the grille bottom, after lifting out the filter tab a bit and take the filter out slowly. Remove the
    plasma filter as shown. After cleaning and drying well reinstall the filter and grille by matching the hook.
    Front panel hook

    Hookhanger

    Front panel
    Air filter
    Plasma
    filter

    Air filter

    2. Art Cool Type Wide :
    The procedure of removal of filters is same as in Art Cool Type model as shown above.
    Don't touch this plasma filter within 10 seconds after opening the inlet grille, it may cause an electric shock.

    Owner's Manual 17

    ENGLISH

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



  • Page 18

    Maintenance and Service
    3. Deluxe (Type 1):
    Open the upside of the panel and lift it up as shown. The hooks of the panel will come off. Remove the
    air filters. Then pull out the plasma filter
    Plasma filter

    Front panel
    Panel hook

    After cleaning and drying well reinstall the filters in their original position.
    4. Deluxe (Type 2):
    Open the front panel as shown.
    Then pull the filter tab slightly forward to remove the air filter.
    After removing the air filter remove the plasma and deodorizer filter by slightly pulling forward.
    Plasma filter

    Front panel

    How to use the front panel
    1. Front panel closing
    Move the link upward and close the front panel.

    2. Front panel removing
    Raise the link up to hook hanger and remove
    front panel forward.

    5. Standard Split Type : Two different methods to open the front panel based on types of air
    conditioner as below ;
    Type 1: Open the front panel as shown.
    Then pull the filter tab slightly forward to remove the air filter.
    After removing the air filter remove the plasma and deodorizer filter by slightly pulling forward.

    Deodorizer
    filter
    Plasma filter

    18 Room Air Conditioner



  • Page 19

    Maintenance and Service
    Type 2: Pull the front panel from both sides as shown.
    Then pull the filter tab slightly forward to remove the filter. After removing the air filter remove
    the plasma and triple deodorizer filter by slightly pulling forward.

    ENGLISH

    Deodorizer
    filter
    Plasma filter

    Don't touch this plasma filter within 10 seconds after opening the inlet grille, it may cause an electric shock.

    Outdoor Unit
    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.

    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.

    Keep blinds or curtains
    closed.

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

    Use high fan speed
    for effective and fast
    cooling.
    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(
    Please contact your serviceman/dealer in such a situation
    Error Display LED (
    (once)

    3 sec

    )

    ) will blink in case if thermistor fails.

    Check Point
    • Indoor room temperature thermistor open/short.
    • Indoor pipe temperature thermistor open/short.

    3 sec

    3 sec

    Owner's Manual 19



  • Page 20

    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

    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.

    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.

    20 Room Air Conditioner






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