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Panasonic Air Conditioner CS-E18NKUA, CU-E18NKUA, CS-E24NKUA, CU-E24NKUA Operating Instructions

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    							QUICK GUIDEQUICK GUIDE
    ENGLISH
    Before operating the unit, read these operating 
    instructions thoroughly and keep them for future 
    reference.
    F568726
    © Panasonic Appliances Air-Conditioning Malaysia 
    Sdn. Bhd. 2012. Unauthorized copying and distribution 
    is a violation of law.
    Operating Instructions
    Air Conditioner
     Model No.
     Indoor Unit  Outdoor Unit 
     
     CS-E18NKUA  CU-E18NKUA
     CS-E24NKUA  CU-E24NKUA 
    						
    							2
    Thank you for purchasing
    Panasonic Air  Conditioner
    NOTENOTE
    The illustrations in this manual are for 
    explanation purposes only and may 
    differ from the actual unit. They are 
    subjected to change without notice for 
    future improvement.
    SAFETY PRECAUTIONS
    To prevent personal injury, injury to others, or property damage, please 
    comply with the following.
    Incorrect operation due to failure to follow instructions below may cause 
    harm or damage, the seriousness of which is classifi ed as below:
      WARNINGWARNINGThis sign warns of death or serious injury.
      CAUTIONCAUTION 
    This sign warns of injury or 
    damage to property.
    The instructions to be followed are classifi ed by the following symbols:
    This symbol denotes an action that is PROHIBITED.
       
    These symbols denote an 
    actions that is COMPULSORY.
     WARNINGWARNING
    INDOOR UNIT AND OUTDOOR UNIT
    This appliance is not intended for use by persons (including 
    children) with reduced physical, sensory or mental capabilities, or 
    lack of experience and knowledge, unless they have been given 
    supervision or instruction concerning use of the appliance by a 
    person responsible for their safety. Children should be supervised 
    to ensure that they do not play with the appliance.
    Please consult authorized dealer or specialist to clean the internal 
    parts, repair, install, remove and reinstall the unit. Improper 
    installation and handling will cause leakage, electric shock or fi re.
    Confi rm to authorized dealer or specialist on usage of specifi ed 
    refrigerant type. Using of refrigerant other than the specifi ed type 
    may cause product damage, burst and injury etc.
    Do not install the unit in a potentially explosive or fl ammable 
    atmosphere. Failure to do so could result in fi re.
    Do not insert your fi ngers or other objects into the air 
    conditioner indoor or outdoor unit, rotating parts may 
    cause injury.
    Do not touch the outdoor unit during lightning, it may cause electric 
    shock.
    Do not expose yourself directly to cold air for a long period to avoid 
    excess cooling.
    Do not sit or step on the unit, you may fall down 
    accidentally.
    Air InletAir Inlet
    Air OutletAir Outlet
    Air OutletAir Outlet
    Air InletAir Inlet
    Outdoor 
    Unit
    Power
    Supply
    Remote
    Control
    OPERATION CONDITIONOPERATION CONDITION
    Use this air conditioner under the following 
    temperature range
    Temperature (°F)Indoor
    *DBT *WBT
    COOLINGMax. 89.6 73.4
    Min. 60.8 51.8
    HEATINGMax. 86.0 -
    Min. 60.8 -
    Temperature (°F)Outdoor
    *DBT *WBT
    COOLINGMax. 109.4 78.8
    Min. 0.0 -
    HEATINGMax. 75.2 64.4
    Min. 5.0 3.2
    * DBT:  Dry bulb temperature
    * WBT:  Wet bulb temperature 
    POWER SUPPLYPOWER SUPPLY
    Models NumberTime Delay 
    Circuit BreakerRated 
    Volts
    CS/CU-E18NKUA 20 Amps
    208/
    230V
    CS/CU-E24NKUA 25 Amps
    Indoor Unit
    TABLE OF CONTENTSTABLE OF CONTENTS
    SAFETY PRECAUTIONS
    2~3
    REMOTE CONTROL
    4~5
    INDOOR UNIT
    6
    TROUBLESHOOTING
    7
    INFORMATION
    8
    QUICK GUIDE
    BACK COVER 
    						
    							3
     CAUTIONCAUTION
    INDOOR UNIT AND OUTDOOR UNIT
    Do not wash the indoor unit with water, benzene, 
    thinner or scouring powder to avoid damage or 
    corrosion at the unit.
    Do not use for preservation of precise equipment, 
    food, animals, plants, artwork or other objects. This 
    may cause quality deterioration, etc.
    Do not use any combustible equipment in front of 
    the airfl ow outlet to avoid fi re propagation.
    Do not expose plants or pet directly to airfl ow to 
    avoid injury, etc.
    Do not touch the sharp aluminium fi n, 
    sharp parts may cause injury.
    Do not switch ON the indoor unit when waxing the 
    fl oor. After waxing, aerate the room properly before 
    operating the unit.
    Do not install the unit in oily and smoky areas to 
    prevent damage to the unit.
    Do not dismantle the unit for cleaning purpose to 
    avoid injury.
    Do not step onto an unstable bench when cleaning 
    the unit to avoid injury.
    Do not place a vase or water container on the 
    unit. Water may enter the unit and degrade the 
    insulation. This may cause an electric shock.
    Do not open window or door for long time during
    COOL/DRY mode operation.
    Ensure drainage pipe is connected properly and 
    keep drainage outlet clear of gutters, containers 
    or does not immersed in water to prevent water 
    leakage.
    After a long period of use or use with any 
    combustible equipment, aerate the room regularly.
    After a long period of use, make sure the 
    installation rack does not deteriorate to prevent the 
    unit from falling down.
    REMOTE CONTROL
    Do not use rechargeable (Ni-Cd) batteries.It may damage the remote control.
    To prevent malfunction or damage of the remote 
    control:
    •  Remove the batteries if the unit is not going to be 
    used for a long period of time. 
    •  New batteries of the same type must be inserted 
    following the polarity stated. 
     WARNINGWARNING
    REMOTE CONTROL
    Do not allow infants and small children to play 
    with the remote control to prevent them from 
    accidentally swallowing the batteries.
    POWER SUPPLY
    Do not use a modifi ed cord, 
    joint cord, extension cord or 
    unspecifi ed cord to prevent 
    overheating and fi re. 
    To prevent overheating, fi re or electric shock:
    •  Do not share the same power outlet with other 
    equipment.
    •  Do not operate with wet hands.
    •  Do not over bend the power supply cord.
    If the supply cord is damage, it must be replaced 
    by the manufacturer, its service agent or similarly 
    qualifi ed persons in order to avoid a hazard.
    It is strongly recommended to install this unit 
    using an Earth Leakage Circuit Breaker (ELCB) 
    or Ground Fault Interrupt (GFCI) or Appliance 
    Leakage Current Interrupt (ALCI) to prevent electric 
    shock or fi re.
    Stop using the product if any abnormality/failure 
    occurs or turn off the power switch and breaker.
    (Risk of smoke/fi re/electric shock)
    Examples of abnormality/failure
    •  The ELCB or GFCI or ALCI trip frequently.  
    •  Burning smell is observed.
    •  Abnormal noise or vibration of the unit is 
    observed.
    •  Water leaks from the indoor unit. 
    •  Power cord becomes abnormally hot.
    •  Fan speed cannot be controlled.
    •  The unit stops running immediately even if it is 
    switched on for operation.
    •  The fan does not stop even if the operation is 
    stopped.
    Contact your local dealer immediately for 
    maintenance or repair assistance.
    This equipment must be earthed to prevent 
    electrical shock or fi re.
    Prevent electric shock by switching off the power:
    - Before cleaning or servicing.
    - Extended non-use.
    - Abnormally strong lightning activity. 
    						
    							4
    AUTO
    HEAT
    COOL
    DRY
    FAN SPEEDMODE
    QUI
    ET
    TEM
    P
    OFF/ON
    POWERF
    UL
    TIMER
    SET
    CANCEL ON
    OFF1
    23
    SETCHECKCLOCK
    RESET AC
    RC
    AIR SWING
    FAN
    SPEED
    AIR
    SWING
    REMOTE CONTROL
    Maximum distance: 26ft
    INDICATOR
     
    POWER(Green)
     TIMER(Orange)
     QUIET(Orange)
     POWERFUL(Orange)
    342 Remote 
    Control display
    6
    1
    5
    7
    Press the remote control’s button
    1
    TO TURN ON OR OFF THE UNIT
    •  Please be aware of the OFF indication on the remote 
    control display to prevent the unit from starting/stopping 
    improperly.
    2
     TO SET TEMPERATURE
    •  Selection range : 60°F ~ 86°F.
    •  Operating the unit within the recommended temperature 
    could induce energy saving.
    HEAT mode : 68°F ~ 75°F.
    COOL mode : 78°F ~ 82°F.
    DRY mode : 2°F ~ 4°F lower than room temperature.
    3
    TO SELECT OPERATION MODE
    AUTO mode - For your convenience
    •  During operation mode selection the power indicator 
    blinks.
    •  Unit selects operation mode every 10 minutes according 
    to temperature setting and room temperature.
    HEAT mode - To enjoy warm air
    •  Unit takes a while to warm up. The power indicator blinks 
    during this operation.
    COOL mode - To enjoy cool air
    •  Use curtains to screen off sunlight and outdoor heat to 
    reduce power consumption during cool mode.
    DRY mode - To dehumidify the environment
    •  Unit operates at low fan speed to give a gentle cooling 
    operation.
    4
    TO SELECT FAN SPEED (5 OPTIONS)
    FAN SPEED
    •  For AUTO, the indoor fan speed is automatically adjusted 
    according to the operation mode.
    5
    TO ADJUST AIRFLOW DIRECTION (5 OPTIONS)
    AIR SWING
    •  Keeps the room ventilated.
    •  In COOL/DRY mode, if AUTO is set, the louver swing 
    left/right and up/down automatically.
    •  In HEAT mode, if AUTO is set, the horizontal louver fi x at 
    predetermined position. The vertical louver swing left/right 
    after the temperature rises.
    6
    TO ENJOY QUIET OPERATION
    •  This operation reduces airfl ow noise.
    8
    9
    12
    1011 
    						
    							5
    TO SET THE TIMERTO SET THE TIMER
    •  To turn ON or OFF the unit at a preset time.
    ON
    OFF1
    2SET
    Select ON or 
    OFF timerSet the time Confi rm
    •  To cancel ON or OFF timer, press 
    ON or OFF then 
    press 
    CANCEL.
    •  When ON Timer is set, the unit may start earlier (up 
    to 35 minutes) before the actual set time in order to 
    achieve the desired temperature on time.
    •  Timer operation is based on the clock set in the 
    remote control and repeats daily once set. For clock 
    setting, please refer to Remote Control Preparation 
    on the back cover.
    •  If timer is cancelled manually or due to power failure, 
    you can restore the previous setting (once power is 
    resumed) by pressing 
    SET.
    7TO REACH TEMPERATURE
    QUICKLY
    •  This operation stops automatically after 20 minutes.
    8Press and hold for 5 seconds to dim or restore the 
    unit’s indicator brightness.
    9Press and hold for approximately 10 seconds to 
    show temperature setting in °C or °F.
    10Press and hold for approximately 5 seconds to show 
    12-hour (am/pm) or 24-hour time indication.
    11
    Press to restore the remote control’s default setting.
    12
    Not used in normal operations.
    NOTESNOTES
    QUIET
     , 
    POWERFUL
    •  Can be activated in all modes and can be cancelled by 
    pressing the respective button again.
    QUIET
     , 
    POWERFUL
    •  Cannot be selected at the same time. 
    						
    							6
    CAUTION• Switch off  the power at the circuit breaker before cleaning.
    • Do not touch the aluminium fi n, sharp parts may cause injur y.
    CLEANING  INSTRUCTIONSCLEANING  INSTRUCTIONSHINTHINT
    •  Do not use benzene, thinner or scouring powder.
    •  Use only soap ( pH7) or neutral household detergent.
    •  Do not use water hotter than 104°F.•  To ensure optimal performance of the unit, cleaning 
    maintenance has to be carried out at regular intervals. 
    Dirty unit may cause malfunction and you may see error 
    code “H99”. Please consult authorized dealer.
    INDOOR UNIT
    2
    5
    6
    7
    14
    3
    98
    1
    INDOOR UNIT
    •  Wipe the unit gently with a soft, dry cloth.
    2
    FRONT PANEL
    Remove Front Panel
    •  Raise and pull to remove the front panel.
    •  Wash gently and dry.
    Close Front Panel
    •  Press down both ends of the front panel to close it securely.
    3
    REMOTE CONTROL RECEIVER
    4
    ALUMINIUM FIN
    5
    HORIZONTAL AIRFLOW DIRECTION LOUVER
    •  Do not adjust by hand.
    6
    VERTICAL AIRFLOW DIRECTION LOUVER
    •  Do not adjust by hand.
    7
    AUTO OFF/ON BUTTON
    •  Use when remote control is misplaced or a malfunction occurs.
    Step Action Mode
    1 Press once. Automatic
    2Press and hold until you hear one 
    beep, then release.Force cooling
    3Repeat step 2. Press and hold 
    until you hear two beeps, then 
    release.Normal cooling
    4Repeat step 3. Press and hold 
    until you hear three beeps, then 
    release.Force heating
    Press the button to turn off.
    8
    AIR PURIFYING FILTER
    Vacuum the air purifying fi lter.
    •  It is recommended to clean the fi lter every 6 months.
    • Replace the fi lter every 3 years or replace any damaged fi lter.
    Part no.: CZ-SA20P
    9
    AIR FILTERS
    • Air fi lter cleaning is required every two weeks.
    • Wash/rinse the fi lters gently with water to avoid damage to the 
    fi lter surface.
    • Dry the fi lters thoroughly under shade, away from fi re or direct 
    sunlight.
    •  Replace any damaged fi lters. 
    						
    							7
    The unit stops and the TIMER indicator blinks.
    Use remote control to retrieve error code.
    TIMER
    SET
    CANCEL ON
    OFF1
    23
    SET CHECK CLOCK RESETAC
    RC
    1Press for 5 
    seconds.
    3Press for 5 
    seconds to 
    quit checking.
    2Press until you hear 
    beep sound, then 
    write down the error 
    code.Note:
    •  For certain errors, you 
    may restart the unit for 
    limited operation with 4 
    beeps when operation 
    starts.
    4  Turn the unit off and reveal the error code to authorized dealer.
    TROUBLESHOOTING
    The following symptoms do not indicate malfunction.The following symptoms do not indicate malfunction.
    SYMPTOMSYMPTOMCAUSECAUSE
    Mist emerges from indoor unit.►•  Condensation effect due to cooling process.
    Water fl owing sound during operation.►• Refrigerant fl ow inside the unit.
    The room has a peculiar odor.►•  This may be due to damp smell emitted by the wall, 
    carpet, furniture or clothing.
    Indoor fan stops occasionally during automatic fan speed 
    setting.►•  This helps to remove the surrounding odours.
    Airfl ow continues even after operation has stopped.►•  Extraction of remaining heat from the indoor unit 
    (maximum 30 seconds).
    Operation is delayed a few minutes after restarting.►•  The delay is a protection to the unit’s compressor.
    Outdoor unit emits water/steam.►•  Condensation or evaporation occurs on pipes.
    TIMER indicator is always on.►•  The timer setting repeats daily once set.
    POWER indicator blinks during HEAT mode with no warm 
    air supply (and louver is closed).►•  The unit is in defrost mode (and AIR SWING is set to 
    AUTO).
    Indoor fan stops occasionally during heating operation.►•  To avoid unintended cooling effect.
    Power indicator blinks before the unit is switched on.►•  This is a preliminary step in preparation for the operation 
    when the ON timer has been set.
    Cracking sound during operation. ►•  Changes of temperature caused the expansion/
    contraction of the unit.
    Check the following before calling for servicing.Check the following before calling for ser vicing.
    SYMPTOMSYMPTOMCHECKCHECK
    Heating/Cooling operation is not working effi ciently.►•  Set the temperature correctly.
    •  Close all doors and windows.
    •  Clean or replace the fi lters.
    •  Clear any obstruction at the air inlet and air outlet vents.
    Noisy during operation.►•  Check if the unit has been installed at an incline.
    •  Close the front panel properly.
    Remote control does not work.
    (Display is dim or transmission signal is weak.)►•  Insert the batteries correctly.
    •  Replace weak batteries.
    The unit does not work.►•  Check if the circuit breaker is tripped.
    •  Check if timers have been set.
    The unit does not receive the signal from the remote 
    control.►•  Make sure the receiver is not obstructed.
    • Certain fl uorescent lights may interfere with signal 
    transmitter. Please consult authorized dealer. 
    						
    							8
    INFORMATION
    FOR SEASONAL INSPECTION AFTER EXTENDED NON-USE
    •  Check remote control batteries.
    •  No obstruction at air inlet and air outlet vents.
    •  Use Auto OFF/ON button to select Cooling/Heating operation. 
    After 15 minutes of operation, it is normal to have the following 
    temperature difference between air inlet and air outlet vents: 
    Cooling: ≥ 14.4°F  Heating: ≥ 25.2°F
    FOR EXTENDED NON-USE
    •  Activate Heat mode for 2~3 hours as an alternative to remove 
    moisture left in the internal parts thoroughly to prevent mould 
    growth.
    •  Switch off power at the circuit breaker.
    •  Remove the remote control batteries.NON SERVICEABLE CRITERIAS
    SWITCH OFF POWER AT THE CIRCUIT 
    BREAKER then please consult an authorized 
    dealer under the following conditions:
    •  Abnormal noise during operation.
    •  Water/foreign particles have entered the remote 
    control.
    •  Water leaks from Indoor unit.
    •  Circuit breaker switches off frequently.
    •  Switches or buttons are not functioning properly.
    Information for Users on Collection and Disposal of Old Equipment and used Batteries
    [Information on Disposal in other Countries 
    outside the European Union]
    These symbols are only valid in the European Union. 
    If you wish to discard these items, please contact 
    your local authorities or dealer and ask for the correct 
    method of disposal.Note for the battery symbol 
    (bottom two symbol examples): 
    This symbol might be used in 
    combination with a chemical symbol. 
    In this case it complies with the 
    requirement set by the Directive for the 
    chemical involved. 
    Pb
    Contact your local hazardous waste disposal hotline.
    Federal Communications Commission Interference Statement
    This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device 
    may not cause harmful interference, and (2) this device must accept any interference received, including interference that 
    may cause undesired operation. 
    This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of 
    the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential 
    installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in 
    accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee 
    that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or 
    television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct 
    the interference by one or more of the following measures:
    •  Reorient or relocate the receiving antenna.
    •  Increase the separation between the equipment and the receiver.
    •  Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.
    •  Consult the dealer or an experienced radio/TV technician for help.
    FCC Caution: To assure continued compliance, follow the attached installation instructions. Any changes or modifi cations 
    not expressly approved by the party responsible for compliance could void the user’s authority to operate this equipment.
    Industry Canada Notice
    This Class B digital apparatus complies with Canadian ICES-003.
    Models NumberCS-E18NKUA / CU-E18NKUA only. 
    The above listed models have been designed and manufactured to meet ENERGY STAR® criteria for 
    energy effi ciency when matched with appropriate coil components. However, proper refrigerant charge 
    and proper air fl ow are critical to achieve rated capacity and effi ciency. Installation of this product should 
    follow the manufacturer’s refrigerant charging and airfl ow instructions. Failure to confi rm proper charge and 
    airfl ow may reduce energy effi ciency and shorten equipment life. 
    						
    							MEMO 
    						
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