SPLIT-TYPE AIR CONDITIONERS OPERATING INSTRUCTIONS INDOOR UNIT MSZ-FA25VA MSZ-FA35VA For customers Thank you very much for purchasing this Mitsubishi room air conditioner. • To use this unit correctly and safely, be sure to this operating instructions before use. Keep this manual carefully for later reference.
CONTENTS • SAFETY PRECAUTIONS ................................. 2 This air conditioner is NOT intended for use by children or infirm persons without supervisions. NAME OF EACH PART ................................3 WARNING PREPARATION BEFORE OPERATION ........................... 4 AUTO CHANGEOVER... AUTO MODE OPERATION ....................... 6 Do not use intermediate connection of the power supply cord or the extension cord and do not MANUAL OPERATION (COOL, DRY, HEAT) ..........................
SAFETY PRECAUTIONS NAME OF EACH PART Indoor unit CAUTION Do not use the unit for special purposes. Air inlet • Do not use this air conditioner to preserve precision devices, food, animals, plants and art objects. PLASMA AIR PURIFYING filter Front panel This may cause deterioration of quality, etc.
NAME OF EACH PART PREPARATION BEFORE OPERATION Remote controller Auto restart function ■ These models are equipped with an auto restart function. If you do not want to use this function, Signal transmitting section please consult the service representative because the setting of the unit needs to be changed. Auto restart function is ...
PREPARATION BEFORE OPERATION Handling of the remote controller Remote controller When the remote controller cannot be used (emergency operation) • The range that the signal can reach is about 6 m when the remote controller is pointed at the front of the in- When the batteries of the remote controller run out or the remote controller malfunctions, the emergency operation How to set the batteries and the current time door unit.
AUTO CHANGEOVER... AUTO MODE OPERATION An automatic cooling and heating changeover operation system ensures easy control and year-round Description of “AUTO RESTART FUNCTION” air conditioning. Once the desired temperature is set, unit operation is switched automatically between cooling and • These units are equipped with an auto restart function. When the main power is turned on, the air conditioner will start heating according to the room temperature.
MANUAL OPERATION (COOL, DRY, HEAT) i-see CONTROL OPERATION... SENSIBLE-TEMPERA- TURE CONTROL The air conditioner controls the temperature you perceive (“sensible temperature”) in accordance with To select the COOL, DRY or HEAT mode: the room temperature as well as floor/wall temperatures (“i-see control operation”). ON/OFF Press the button.
i-see CONTROL OPERATION... SENSIBLE-TEMPERA- TURE CONTROL • If the AREA setting is set to AUTO in heating operation, the indoor unit automatically delivers warm air to the area where the floor/wall temperature is the lowest in the room. i-see Sensor •...
SUPPLEMENT Movement of the horizontal vane To air-condition mainly To air-condition the entire room To air-condition mainly the left area of the room The horizontal air flow direction and in- the right area of the room COOL/DRY HEAT door unit display are switched accord- ing to the room temperature (floor/wall).
AIR FLOW VELOCITY AND DIRECTION ADJUSTMENT WHEN THE AIR CONDITIONER IS NOT GOING TO BE USED FOR A LONG TIME To change the air flow direction not to blow directly onto your body. To change the air Use the PLASMA operation when you want to remove odor (cigarette smell, etc.) or clean the air (get rid of dust, pollens or When to use this function? COOL/DRY HEAT...
ECONO COOL OPERATION WHEN THE AIR CONDITIONER IS NOT GOING TO BE USED FOR A LONG TIME Use this operation when you want to be comfortable in COOL mode even with energy saved. Perform the following operations while the unit is operat- When it is not going to be used for a long When the air conditioner is to be used ing in the MANUAL COOL mode.
CLEANING THE FRONT PANEL CLEANING THE D.S. PLASMA UNIT Front panel Heat exchanger óCleaning the anti-mold air filter (about once every 2 weeks) ■ Press and unlock the knobs on both sides Remove the anti-mold air filter and PLASMA Holding the knob on the anti-mold air filter, After washing with water/lukewarm water, of the front panel and lift the panel up until a DEODORIZING/AIR PURIFYING filter units...
REPLACEMENT OF THE AIR CLEANING FILTER CLEANING THE PLASMA DEODORIZING/AIR PURIFY- ING FILTER UNITS Reinstalling If the PLASMA/WASH lamp on the indoor unit blinks, clean the filters as soon as possible. The lamp will Install the PLASMA DEODORIZING/AIR PURIFYING filter units by following the removal procedure in reverse. start blinking when accumulated operating time exceeds 330 hours.
CLEANING THE AIR OUTLET AND FAN OF THE INDOOR UNIT Clean the air outlet and fan of the indoor unit. (Make sure the fan has stopped.) Before cleaning Switch the indoor unit off with the remote controller and disconnect the power supply plug and/or turn off the breaker, otherwise you may get injured since the fan of the in- door unit rotates at high speed during op-...
BEFORE CONTACTING THE SERVICE REPRE- WHEN YOU THINK THAT TROUBLE HAS OCCURRED SENTATIVE, CHECK THE FOLLOWING AGAIN Question Answer (not a malfunction) Question Answer (not a malfunction) The air conditioner cannot • This protects the air conditioner according to in- The air flow direction •...
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WHEN YOU THINK THAT TROUBLE HAS OCCURRED Question Answer (not a malfunction) Question Answer (not a malfunction) Question Answer (not a malfunction) The PLASMA/WASH lamp • Press the WASH reset switch inside the front The swing operation of the • This is for the swing operation of the VERTICAL The auto front panel cannot •...
INSTALLATION, RELOCATION AND INSPECTION CAUTION: Installation place The installation location of the outdoor unit should be at least 3 m away from the antennas for TV sets, • Earth the unit. radios, etc. In areas where the reception is weak, pro- Do not connect the earth to a gas pipe, water pipe, lightning rod or the earth of a telephone.
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HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODAKU, TOKYO 100-8310, JAPAN SG79Y403H02...
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