Mitsubishi MSY-A24NA Operating Instructions Manual
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Mitsubishi MSY-A24NA Operating Instructions Manual

Split-type air conditioners
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SPLIT-TYPE AIR CONDITIONERS
ACONDICIONADORES DE AIRE DE TIPO DIVIDIDO
OPERATING INSTRUCTIONS
MANUAL DE INSTRUCCIONES
MSY-A24NA
For customers
Thank you very much for purchasing this Mitsubishi room air conditioner.
• To use this unit correctly and safely, be sure to read this operating instructions before use. Keep
this manual carefully for later reference.
• Be sure to receive a guarantee card from your dealer and check that the purchased data and
shop name, etc. are entered correctly.
• This air conditioner should not be installed by the customer. (Safety and performance functions
cannot be assured.)
Para clientes
Gracias por adquirir este acondicionador de aire Mitsubishi.
• Para utilizar esta unidad de forma correcta y segura, lea previamente estas instrucciones de
funcionamiento. Guarde este manual para consultas posteriores.
• Asegúrese de recibir la garantía de su distribuidor y comprobar que contiene la fecha de compra,
el nombre del establecimiento, etc. correctos.
• Este acondicionador de aire no debe ser instalado por el cliente (ya que no se asegura que se
cumplan las funciones de rendimiento y seguridad).

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Summary of Contents for Mitsubishi MSY-A24NA

  • Page 1 • Be sure to receive a guarantee card from your dealer and check that the purchased data and shop name, etc. are entered correctly. • This air conditioner should not be installed by the customer. (Safety and performance functions cannot be assured.) Para clientes Gracias por adquirir este acondicionador de aire Mitsubishi.

  • Page 2: Table Of Contents

    AIR FLOW VELOCITY AND DIRECTION ADJUSTMENT ...7 POWERFUL OPERATION ...8 ECONO COOL OPERATION ...8 TIMER OPERATION (ON/OFF TIMER) ...9 WHEN THE AIR CONDITIONER IS NOT GOING TO BE USED FOR A LONG TIME ...9 MAINTENANCE ...10 CLEANING THE AIR FILTER (CATECHIN) ...10 REPLACEMENT OF THE AIR CLEANING FILTER ...11...

  • Page 3: Safety Precautions

    “Safety Precautions” before use. • Since the cautionary items shown here are important for safety, be sure to observe them. • Stop using the air conditioner and consult your dealer in case any trouble or abnormality occurs. Marks and their meanings WARNING: Incorrect handling could cause a serious hazard, such as death, serious injury, etc.
  • Page 4 • Since the fan rotates at high speed, this may cause an injury. • Young children should be supervised to ensure that they do not play with the air conditioner. When an abnormality (burning smell, etc.) occurs, stop the air conditioner and turn off the breaker.
  • Page 5 Do not use the unit for special purposes. • Do not use this air conditioner to preserve precision devices, food, animals, plants and art objects. This may cause deterioration of quality, etc.

  • Page 6: Name Of Each Part

    NAME OF EACH PART Indoor unit Air cleaning filter (Anti-Allergy Enzyme Filter (Blue bellows type)) Air filter (Catechin) Vertical vane Horizontal vane Operation section (When the front panel is opened) Emergency operation switch Outdoor unit Front panel Air inlet Remote control receiving section Remote controller Display section...

  • Page 7: Remote Controller

    NAME OF EACH PART Remote controller Signal transmitting section Operation display section ON/OFF (operate/ stop) button Open the front lid. VANE button (Horizontal vane button) Operation select button ECONO COOL button WIDE VANE button (Vertical vane button) POWERFUL button RESET button Temperature buttons (This diagram shows an overall view.) (This diagram shows an overall view.)

  • Page 8: Preparation Before Operation

    If a power failure occurs or the main power is turned off during operation, “Auto restart function” sets automatically to start operating in the same mode as the one set with the remote controller just before the shutoff of the main power. (Refer to page 6 for details.) Breaker for the air conditioner Turn the breaker on.
  • Page 9 PREPARATION BEFORE OPERATION Remote controller How to set the batteries and the current time Remove the front lid and insert batteries. Then reattach the front lid. Insert the minus pole of the batteries first. Check if the polarity of the batteries is correct. Press the RESET button.
  • Page 10 When the remote controller cannot be used (emergency operation) When the batteries of the remote controller run out or the remote controller malfunctions, the emergency operation can be done using the EMERGENCY OPERATION switch. Press the EMERGENCY OPERATION switch. • Each time the EMERGENCY OPERATION switch is pressed, the unit will operate in order of EMER- GENCY COOL MODE and STOP MODE.

  • Page 11: I Feel

    Description of “AUTO RESTART FUNCTION” • These units are equipped with an auto restart function. When the main power is turned on, the air conditioner will start operation automatically in the same mode as the one set with the remote controller before the shutoff of the main power.
  • Page 12 COOL: When the room temperature is 4°F higher than the set temperature, the set temperature may not be changed since the air conditioner is operating to reach the target (set) temperature. In this case, please wait until the room temperature drops to within 4°F of the set temperature and then change the set temperature.

  • Page 13: Manual Operation (Cool, Dry, Fan)

    The details of the display on the indoor unit are explained on page 6. If the air conditioner does not cool effectively… If the fan speed is set to Low or AUTO, sometimes the air conditioner may not cool the air effectively. In this case, change the fan speed to Med. or upper.

  • Page 14: Air Flow Velocity And Direction Adjustment

    AIR FLOW velocity and direction can be selected as required. NOTE: • In the cooling operation, when the air conditioner is operated with setting the horizontal vane to 1 hour, the AIR FLOW direction is automatically set to horizontal to prevent condensed water from dropping.

  • Page 15: Powerful Operation

    MANUAL COOL mode. Press the button. The air conditioner automatically adjusts the fan speed and the set tempera- ture, and operates the POWERFUL mode. The POWERFUL mode is automati- cally released 15 minutes after operation starts, and the operation mode re- turns to the mode prior to POWERFUL operation.

  • Page 16: Econo Cool Operation

    (ECONO COOL) operation is selected in COOL mode, the air conditioner performs swing operation in various cycle according to the tem- perature of air conditioner. Also SET TEMPERATURE is automatically set 4°F higher than in COOL mode. To release the ECONO COOL operation:...

  • Page 17: Timer Operation (On/Off Timer)

    If the main power is turned off or a power failure occurs while AUTO START/STOP timer is active, the timer setting is cancelled. As these models are equipped with an auto restart function, the air conditioner starts operating with timer cancelled at the same time that power is restored.

  • Page 18: When The Air Conditioner Is Not Going To Be Used For A Long Time

    (Refer to page 7.) Turn off the breaker. CAUTION: Turn off the breaker when the air conditioner is not go- ing to be used for a long time. Dirt may collect and this may cause a fire. Remove the batteries from the remote con- troller.

  • Page 19: Maintenance

    MAINTENANCE Before starting maintenance Turn off the breaker. CAUTION: When the unit is to be cleaned, switch it off and turn off the breaker. Since the fan rotates at high speed during operation, it may cause an injury. Do not open the front panel up past the level position. The panel may come off in order to prevent it from being damaged.

  • Page 20: Cleaning The Air Filter (Catechin)

    CLEANING THE AIR FILTER (CATECHIN) Do not open the front panel up past the level position. The panel may come off in order to prevent it from being damaged. Cleaning the air filter (about once every 2 weeks) Remove the air filter. Remove.

  • Page 21: Replacement Of The Air Cleaning Filter

    REPLACEMENT OF THE AIR CLEANING FILTER When the capacity is lowered because of dirt, etc., it is necessary to replace the air cleaning filter. Air cleaning filter replacement Remove the air filter. Air filter Remove the air cleaning filter (blue bellows type).

  • Page 22: Cleaning The Air Cleaning Filter

    CLEANING THE AIR CLEANING FILTER Cleaning the air cleaning filter (about once every 3 months) Remove the air filter. Air filter Remove the air cleaning filter (blue bellows type). Air cleaning filter Soak the filter together with its frame in luke- warm water and wash it.

  • Page 23: Before Contacting The Service Representative, Check The Following Again

    • The remote control signal may not be received in a room where an electronic ON/OFF type fluorescent lamp (inverter-type fluorescent lamp, etc.) is used. • Operation of the air conditioner may interfere with radio or TV reception in areas where the reception is weak. An amplifier may be required for the af- fected device.
  • Page 24 • This sound is generated by the expansion/con- traction of the front panel, etc. due to change in temperature. • The air conditioner may suck in an odor adher- ing to the wall, carpet, furniture, cloth, etc. and blow it out with the air.

  • Page 25: Installation, Relocation And Inspection

    • Be sure to observe the breaker capacity. • Use the correct power (voltage and frequency) indicated on the unit to operate the air conditioner and use only fuses or breakers with specified capacity. Do not use pieces of wire instead of fuses.
  • Page 26 • If the air conditioner is installed in a high humidity area or near a water source, a Ground Fault Interrupt (GFI) circuit breaker should be installed to protect against an electric shock.
  • Page 27 3400 Lawrenceville Suwanee Road ● Suwanee, Georgia 30024 ● Toll Free: 800-433-4822 Toll Free Fax: 800-889-9904 www.mrslim.com Specifications are subject to change without notice.

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