English SPLIT-TYPE AIR CONDITIONERS ACONDICIONADORES DE AIRE DE TIPO DIVIDIDO Español 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.
English SPLIT-TYPE AIR CONDITIONERS ACONDICIONADORES DE AIRE DE TIPO DIVIDIDO Español 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.
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. • Stop using the air conditioner and consult your dealer in case any trouble or abnormality occurs. Marks and their meanings WARNING: CAUTION: Incorrect handling could cause a serious hazard, such as death, serious injury, etc.
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. • Stop using the air conditioner and consult your dealer in case any trouble or abnormality occurs. Marks and their meanings WARNING: CAUTION: Incorrect handling could cause a serious hazard, such as death, serious injury, etc.
SAFETY PRECAUTIONS CAUTION Do not operate the unit at low outside temperature (less than 14°F) in the cooling mode. • In the cooling mode, if the unit is operated at low outside temperature (less than 14°F), water condensed in the air conditioner may drop and wet or damage furniture, etc. 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. Do not put a stove, etc.
SAFETY PRECAUTIONS CAUTION Do not operate the unit at low outside temperature (less than 14°F) in the cooling mode. • In the cooling mode, if the unit is operated at low outside temperature (less than 14°F), water condensed in the air conditioner may drop and wet or damage furniture, etc. 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. Do not put a stove, etc.
NAME OF EACH PART PREPARATION BEFORE OPERATION Remote controller Auto restart function ■ Signal transmitting section Auto restart function is ... When the indoor unit is controlled with the remote controller, the operation mode, the set temperature and the fan speed are stored in the memory.
NAME OF EACH PART PREPARATION BEFORE OPERATION Remote controller Auto restart function ■ Signal transmitting section Auto restart function is ... When the indoor unit is controlled with the remote controller, the operation mode, the set temperature and the fan speed are stored in the memory.
PREPARATION BEFORE OPERATION Remote controller How to set the batteries and the current time 1 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. Insert the minus pole of the batteries first. 2 Press the RESET button. Press using a thin stick. Handling of the remote controller • The range that the signal can reach is about 20 ft.
PREPARATION BEFORE OPERATION Remote controller How to set the batteries and the current time 1 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. Insert the minus pole of the batteries first. 2 Press the RESET button. Press using a thin stick. Handling of the remote controller • The range that the signal can reach is about 20 ft.
I FEEL... AUTO OPERATION With the “ (I FEEL...)” auto operation mode, the optimum room condition can be set automatically with a one-touch operation. Description of “I FEEL...” mode Details of operation To start operation: ■ ON/OFF Press the button. When the “ (I FEEL...)” mode is selected, the air conditioner is automatically controlled at the optimum temperature.
I FEEL... AUTO OPERATION With the “ (I FEEL...)” auto operation mode, the optimum room condition can be set automatically with a one-touch operation. Description of “I FEEL...” mode Details of operation To start operation: ■ ON/OFF Press the button. When the “ (I FEEL...)” mode is selected, the air conditioner is automatically controlled at the optimum temperature.
MANUAL OPERATION (COOL, DRY, FAN) AIR FLOW VELOCITY AND DIRECTION ADJUSTMENT AIR FLOW velocity and direction can be selected as required. To select the COOL, DRY or FAN mode: ■ ON/OFF 1 Press the 2 Select the operation mode by pressing the button. MODE button. ■ To stop operation: ON/OFF Press the FAN button. Each time the button is pressed, the fan speed is changed in sequence: (Low) → (Med.) → (High) → (AUTO) (High) notch to cool the room more.
MANUAL OPERATION (COOL, DRY, FAN) AIR FLOW VELOCITY AND DIRECTION ADJUSTMENT AIR FLOW velocity and direction can be selected as required. To select the COOL, DRY or FAN mode: ■ ON/OFF 1 Press the 2 Select the operation mode by pressing the button. MODE button. ■ To stop operation: ON/OFF Press the FAN button. Each time the button is pressed, the fan speed is changed in sequence: (Low) → (Med.) → (High) → (AUTO) (High) notch to cool the room more.
POWERFUL OPERATION ECONO COOL OPERATION Use this operation when you want to cool your room within a short time period. Use this operation when you want to be comfortable in COOL mode even with energy saved. Perform the following operations while the unit is operating in the MANUAL COOL mode. ■ Press the Perform the following operations while the unit is operating in the MANUAL COOL mode. ■ button.
POWERFUL OPERATION ECONO COOL OPERATION Use this operation when you want to cool your room within a short time period. Use this operation when you want to be comfortable in COOL mode even with energy saved. Perform the following operations while the unit is operating in the MANUAL COOL mode. ■ Press the Perform the following operations while the unit is operating in the MANUAL COOL mode. ■ button.
TIMER OPERATION (ON/OFF TIMER) It is convenient to set the timer when you go to bed, when you get home, when you get up, etc. How to set the ON timer 1 Press the START button during operation. How to set the OFF timer 1 Set the time of the timer using the TIME buttons (Forward) and (Backward). 2 ■ Press the START button. button during operation.
TIMER OPERATION (ON/OFF TIMER) It is convenient to set the timer when you go to bed, when you get home, when you get up, etc. How to set the ON timer 1 Press the START button during operation. How to set the OFF timer 1 Set the time of the timer using the TIME buttons (Forward) and (Backward). 2 ■ Press the START button. button during operation.
MAINTENANCE CLEANING THE AIR FILTER (CATECHIN) Before starting maintenance ■ Cleaning the indoor unit ■ 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. Clean the unit using a soft dry cloth. • If the dirt is noticeable, wipe the unit with a cloth soaked in a solution of mild detergent diluted in lukewarm water.
MAINTENANCE CLEANING THE AIR FILTER (CATECHIN) Before starting maintenance ■ Cleaning the indoor unit ■ 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. Clean the unit using a soft dry cloth. • If the dirt is noticeable, wipe the unit with a cloth soaked in a solution of mild detergent diluted in lukewarm water.
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 1 About once every year 1 Remove the air filter. CLEANING THE AIR CLEANING FILTER Cleaning the air cleaning filter (about once every 3 months) 1 Remove the air filter. 3 ■ If the dirt is noticeable, use a solution of mild detergent diluted in lukewarm water. ■ If hot water (120°F or more) is used, the filter may be deformed.
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 1 About once every year 1 Remove the air filter. CLEANING THE AIR CLEANING FILTER Cleaning the air cleaning filter (about once every 3 months) 1 Remove the air filter. 3 ■ If the dirt is noticeable, use a solution of mild detergent diluted in lukewarm water. ■ If hot water (120°F or more) is used, the filter may be deformed.
BEFORE CONTACTING THE SERVICE REPRESENTATIVE, CHECK THE FOLLOWING AGAIN Question Check points or Remedy The air conditioner cannot • Is the breaker turned on? • Is the fuse blown? be operated. • Is the ON timer set? (Page 9) The room cannot be cooled • Is the temperature setting correct? (Page 7) • Are the filters clean? (Page 10, 11) sufficiently.
BEFORE CONTACTING THE SERVICE REPRESENTATIVE, CHECK THE FOLLOWING AGAIN Question Check points or Remedy The air conditioner cannot • Is the breaker turned on? • Is the fuse blown? be operated. • Is the ON timer set? (Page 9) The room cannot be cooled • Is the temperature setting correct? (Page 7) • Are the filters clean? (Page 10, 11) sufficiently.
INSTALLATION, RELOCATION AND INSPECTION Installation place The installation location of the outdoor unit should be at least 10 ft. away from the antennas for TV sets, radios, etc. In areas where the reception is weak, provide greater space between the outdoor unit and the antenna of the affected device if operation of the air conditioner interferes with radio or TV reception. Avoid installing the air conditioner in the following places. • Where flammable gas could leak.
INSTALLATION, RELOCATION AND INSPECTION Installation place The installation location of the outdoor unit should be at least 10 ft. away from the antennas for TV sets, radios, etc. In areas where the reception is weak, provide greater space between the outdoor unit and the antenna of the affected device if operation of the air conditioner interferes with radio or TV reception. Avoid installing the air conditioner in the following places. • Where flammable gas could leak.
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.