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Mitsubishi MSZ09UN Operating Instructions Manual

Split-type air conditioners
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SPLIT-TYPE AIR CONDITIONERS

OPERATING INSTRUCTIONS

MSZ09UN
MSZ12UN
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
later reference.
• Be sure to receive a guarantee card from your dealer and check that the purchased data a
entered correctly.
• This air conditioner should not be installed by the customer. (Safety and performance function

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Summary of Contents for Mitsubishi MSZ09UN

  • Page 1: Operating Instructions

    • To use this unit correctly and safely, be sure to read this operating instructions before use. Keep later reference. • Be sure to receive a guarantee card from your dealer and check that the purchased data a entered correctly. • This air conditioner should not be installed by the customer. (Safety and performance function...

  • Page 2: Table Of Contents

    MANUAL OPERATION (COOL, DRY, HEAT) ... 8 AIR FLOW VELOCITY AND DIRECTION ADJUSTMENT ... 9 TIMER OPERATION (ON/OFF TIMER) ... 10 WHEN THE AIR CONDITIONER IS NOT GOING TO BE USED FOR A LONG TIME ... 10 MAINTENANCE ... 11 CLEANING THE AIR FILTER AND THE DEODORIZING FILTER (OPTION) ...

  • Page 3: Safety Precautions

    SAFETY PRECAUTIONS • Since rotating parts and parts which could cause an electric shock are used in this product, be sure to read these “Safety Precautions” before use. • Since the cautionary items shown here are important for safety, be sure to observe them. Marks and their meanings are as shown below.
  • Page 4 • This air conditioner is NOT intended for use by children or infirm persons without supervisions. Do not turn the breaker off/on during operation. • This may cause a fire due to spark, etc. • Be sure to turn off the breaker absolutely after switching the indoor unit off with the remote con- troller.
  • Page 5 • Do not use this air conditioner to preserve precision devices, food, This could injure the pet or plant. animals, plants and art objects. This may cause deterioration of quality, etc.
  • Page 6 When the unit is not go- Do not operate the unit ing to be used for a long for a long time in high hu- time, turn off the breaker. midity, e.g. leaving a door or window open. • Otherwise, dirt may collect and this may cause a fire.
  • Page 7 SAFETY PRECAUTIONS • Consult your dealer for installation of the air conditioner. Ground the unit. • Do not connect the ground to a gas pipe, water pipe, lightning rod or the ground of a telephone. If the grounding is incorrect, it may cause an electric shock.

  • Page 8: Name Of Each Part

    NAME OF EACH PART Indoor unit MSZ09UN Air cleaning filter (White bellows type) (OPTION) Deodorizing filter (Gray sponge type) (OPTION) Air filter Vertical vane Horizontal vane Operation section (When the front panel is opened) MSZ09UN Emergency operation switch MSZ12UN Emergency...

  • Page 9: Remote Controller

    NAME OF EACH PART Remote controller Signal transmitting section Operation display section ON/OFF (operate/ stop) button (This diagram shows an overall view.) CLOCK AMPM AMPM ON/OFF WARM COOL Temperature buttons...
  • Page 10 Open the front lid. ON/OFF Fan speed control button I FEEL COOL HEAT MODE Operation select button RESET button CLOCK AMPM AMPM WARM COOL STOP Off-timer button VANE START On-timer button HR.button MIN.button MIN. (Time set button) RESET CLOCK CLOCK set button Vane control button...

  • Page 11: Auto Restart Function

    “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 7 for details.) Breaker for the air conditioner Turn the breaker on.
  • Page 12 30 minutes and then the op- eration mode shifts to EMERGENCY MODE. MSZ09UN Details of EMERGENCY MODE are as shown below. However, the temperature control does not work for 30 minutes in test run and the unit is set to continuous operation.

  • Page 13: I Feel

    I FEEL... AUTO OPERATION With the “ (I FEEL...)” auto operation mode, the optimum room condition can be set automati- cally with a one-touch operation. ˚C CLOCK AMPM AMPM ON/OFF WARM COOL STOP I FEEL COOL VANE START HEAT MODE MIN.
  • Page 14 Description of “AUTO RESTART FUNCTION” I 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 15: Manual Operation (Cool, Dry, Heat)

    MANUAL OPERATION (COOL, D ˚F CLOCK AMPM AMPM ON/OFF WARM COOL STOP I FEEL COOL VANE START HEAT MODE MIN. RESET CLOCK To select the COOL, DRY or HEAT mode ON/OFF Press the button. Select the operation mode by pressing the MODE button.
  • Page 16 CONVENIENT INFORMATION COOL For effective cooling 1 Close the windows and pull down blinds. Sunshine is re- duced and cooling efficiency increases. HEAT Comfortable warmth depends on the temperature difference between the indoor and the outdoor. It is recommended that the set temperature in the heating operation does not differ from the external tem- perature too much.
  • Page 17 NOTE I In the cooling operation, when the air conditioner is op- erated with setting the horizontal vane to 1 hour, the AIR FLOW direction is automatically set to horizontal to prevent condensed water from dropping.
  • Page 18 Auto air flow direction control operation I When the AUTO mode is selected with the to correspond to the operation mode for effective operation. (1) HEAT When the air flow temperature is too low, the air is blown out horizontally. (2) COOL, DRY The air is blown out horizontally.

  • Page 19: 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 should start operating at the same time that power is restored. MIN.

  • Page 20: When The Air Conditioner Is Not Going To Be Used For A Long Time

    (Refer to page 8.) Turn off the breaker. CAUTION Turn off the breaker when the air conditioner is not going 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 21: 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. Cleaning the indoor unit Clean the unit using a soft dry cloth.

  • Page 22: Cleaning The Air Filter And The Deodorizing Filter (Option)

    CLEANING THE AIR FILTER AND THE DEODORIZING FILTER (OPTION) Do not open the front panel up past the level position in order to prevent it from being damaged. Cleaning the air filter (about once every 2 weeks) Remove the air filter. Air filter Remove.

  • Page 23: Replacement Of The Deodorizing Filter (Option)/Air Cleaning Filter (Option)

    I Standard interval for filter replacement is about 1 year. Optional parts Optional parts are available from your local dealer. Model MSZ09UN Name of parts DEODORIZING FILTER MAC-1800DF AIR CLEANING FILTER MAC-1300FT Air cleaning filter replacement (about once every 4 months) Remove the air filter.

  • Page 24: Before Contacting The Service Representative, Check The Following Again

    Is the breaker turned Isn’t the fuse blown? Isn’t the ON-timer set? Even if the above items are checked, when the air conditioner does not recover from the trouble, stop using the air conditioner and consult your dealer. In the following cases, stop operation and consult your dealer.
  • Page 25 I This sound is generated by the expansion/contraction of the front panel, etc. due to change in temperature. I The air conditioner sucks in an odor adhering to the wall, carpet, furniture, cloth, etc. and blows it out with the air.
  • Page 26 I This is the switching sound in turning on/off the fan or the compressor. I When the air conditioner is operated in COOL or DRY mode, if the operation continues with air blowing down for 1 hour, the direction of the air flow is automatically set to horizontal to prevent condensed water from dropping.

  • Page 27: Installation Place

    I 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 28 Inspection and maintenance I When the air conditioner is used for several seasons, the capacity may be lowered due to dirt inside the unit. I Depending on the condition, an odor may be generated or dehumidified water may not drain out smoothly due to dirt, dust, etc.
  • Page 29 NOTE...
  • Page 30 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.

This manual is also suitable for:

Msz12un

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