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. • Be sure to receive a guaratee card from your dealer and check that the purchased datd and shop name, etc. are entered correctly. • This air conditioner should not be installed by the customer.
CONTENTS SAFETY PRECAUTIONS ......................................................................................................................................................... 2 NAME OF EACH PART ............................................................................................................................................................. 3 PREPARATION BEFORE OPERATION .........................................................................................................................
SAFETY PRECAUTIONS CAUTION 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. where they are exposed to direct airflow. • This may cause imperfect combustion. When the unit is to be cleaned, switch it off and disconnect the power supply plug or turn off the breaker.
NAME OF EACH PART PREPARATION BEFORE OPERATION Remote controller Auto restart function ■ Signal transmitting section These models are equipped with an auto restart function. If you do not want to use this function, please consult the service representative because the setting of the unit needs to be changed. 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 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. Press the RESET button. Press using a thin stick.
AUTO CHANGEOVER... AUTO MODE OPERATION An automatic cooling and heating changeover operation system ensures easy control and year-round air conditioning. Once the desired temperature is set, unit operation is switched automatically between cooling and heating according to the room temperature. In addition, fan control of the outdoor unit enables cooling operation at outside temperature as low as -10 °C. To select the AUTO mode: ON/OFF Press the button.
MANUAL OPERATION (COOL, DRY, HEAT) i-see CONTROL OPERATION... SENSIBLE-TEMPERATURE CONTROL The air conditioner controls the temperature you perceive (“sensible temperature”) in accordance with the room temperature as well as floor/wall temperatures (“i-see control operation”). To control the room temperature instead of the sensible temperature, cancel the i-see control operation. To select the COOL, DRY or HEAT mode: ON/OFF Press the button. Select the operation mode by pressing the MODE button.
i-see Sensor • When the AREA setting is not activated, the sensing range of the i-see Sensor differs depending on the installation location of the air conditioner. Installed at left Installed at center Installed at right Image of sensing range Direction of sensor Right Center Left Approx.
SUPPLEMENT To air-condition mainly the left area of the room Remote controller button Press to select LEFT. To air-condition the entire room The horizontal air flow direction and indoor unit display are switched according to the room temperature (floor/wall). Press To air-condition mainly the right area of the room COOL/DRY HEAT At the start of heating operation to select Press RIGHT. to select AUTO.
AIR FLOW VELOCITY AND DIRECTION ADJUSTMENT To change the air flow direction not to blow directly onto your body. To change the air flow direction Pressing and holdVANE button ing the for 2 seconds or more causes the horizontal vane to reverse and move to horizontal position. Horizontal position When to use this function? COOL/DRY HEAT Use this function if you don’t want the air from the indoor unit to blow directly onto your body.
ECONO COOL OPERATION 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 ECONO COOL WHEN THE AIR CONDITIONER IS NOT GOING TO BE USED FOR A LONG TIME When it is not going to be used for a long time: button.
CLEANING THE FRONT PANEL Front panel CLEANING THE D.S. PLASMA UNIT Heat exchanger Press and unlock the knobs on both sides of the front panel and lift the panel up until a 1 ) Holding the hinges, lift “click” is heard. (1 the panel up until it is level, and pull the 2) hinges forward to remove the front panel. (2 ■ óCleaning the anti-mold air filter (about once every 2 weeks) Remove the anti-mold air filter and PLASMA DEODORIZING/AIR PURIFYING filter units before cleaing the heat exchanger.
CLEANING THE PLASMA DEODORIZING/AIR PURIFYING FILTER UNITS REPLACEMENT OF THE AIR CLEANING FILTER If the PLASMA/WASH lamp on the indoor unit blinks, clean the filters as soon as possible. The lamp will start blinking when accumulated operating time exceeds 330 hours. Install the PLASMA DEODORIZING/AIR PURIFYING filter units by following the removal procedure in reverse. Before cleaning Switch the indoor unit off with the remote controller and disconnect the power supply plug and/or turn off the breaker.
CLEANING THE AIR OUTLET AND FAN OF THE INDOOR UNIT 5 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 indoor unit rotates at high speed during operation. • Be careful not to injure your hands. • If the air outlet or fan is dirty, moldy, or dusty, clean with a wet or dry soft cloth or with the brush of QUICK CLEAN KIT which is installed to a vacuum cleaner.
BEFORE CONTACTING THE SERVICE REPRESENTATIVE, CHECK THE FOLLOWING AGAIN Question Check points The air conditioner cannot • Is the breaker turned on? • Is the fuse blown? be operated. • Is the ON timer set? (Page 11) All LED lamps on the indoor • Is the horizontal vane attached to the indoor unit correctly? (Page 14) unit are blinking. The horizontal vane does • Are the horizontal vane and the vertical vane attached to the indoor unit correctly? (Page 14) not move.
WHEN YOU THINK THAT TROUBLE HAS OCCURRED Question Answer (not a malfunction) The PLASMA/WASH lamp • Press the WASH reset switch inside the front remains blinking after panel. cleaning. The indoor unit makes a • It is the sound of plasma discharge and is not a small “hissing” sound. malfunction. The PLASMA DEODORIZ- • Are the PLASMA DEODORIZING/AIR PURIFYING/AIR PURIFYING filter ING filter units clogged with dust? units make a “crackling” Clean the PLASMA DEODORIZING/AIR PURIsound. FYING filter units.
INSTALLATION, RELOCATION AND INSPECTION Installation place Avoid installing the air conditioner in the following places. • Where flammable gas could leak. CAUTION: Do not install the unit where flammable gas could leak. If gas leaks and collects around the unit, it may cause an explosion. • Where there is much machine oil. • Salty places such as the seaside. • Where sulfide gas is generated such as a hot spring. • Where oil is splashed or where the area is filled with oily smoke.
HEAD OFFICE: TOKYO BLDG.
