OPERATING INSTRUCTIONS
Contents
1. 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 A MITSUBISHI ELECTRIC ing in the MANUAL COOL mode ECONO COOL E Press here button When the ECONO COOL operation is selected in COOL mode the air conditioner performs swing operation vertically in various cycle according to the temperature of air conditioner Also SET TEMPERATURE is automatically set 2 C higher than in COOL mode To release the ECONO COOL operation ECONO COOL E Press here button again ON OFF w i OQA MODE FAN STOP ES E OSTART eeeeeeeeeeeeeeeeeeeeeeeee e800 0 0 else J e VANE i save e When the s button is pressed or the operation mode is changed during A ji gt the ECONO COOL operation ECONO COOL operation is released TIME WAM COOL a e The SC button the O or A button and ON OFF timer explained below RESET CLOCK 4 are available What is ECONO COOL Swing air flow change of air flow makes you feel cooler than constant air flow So even though the set temperature is automatically set 2 C higher it is possible to perform cooling operation with keeping comfort As a result energy can be saved i save OPERATION With this function you can save the settings such as temperature fan speed and air flow direction for both cooling and heating operation To start i2. o BRUGSANVISNING Til kunden e L s denne brugsanvisning f r brugen s korrekt og forsvarlig anvendelse af klima anl gget sikres BRUKSANVISNING e F r att anv nda enheten p r tt och s kert s tt ska denna bruksanvisning l sas innan enheten tas i bruk LETME TAL MATLARI Sat n al c lar i in e Bu birimi do ru ve g venli olarak al t rmak i in kullanmadan nce bu i letme talimatlar n mutlaka okuyun PYKOBOACTBO MO SKCIIYATALIMI e ing ofecneueuug npasnnbHoro n 6esonacHoro ncnonbsoBaHna npn6opa cnegyeT DO Hayana ero gkcnnyaTaynn BHUMATENbHO NpoynTaTb DAHHOe pYKOBOACTBO WEEE Francais Nederlands EAAnVIKG Portugu s Svenska Pycckun CONTENTS DARE TY PRE EN TT 2 This air conditioner is NOT intended for use by children or infirm persons without supervisions REENEN EE 3 PREPARATION BEFORE OPERATION ccccsssscccccsssssssecssssssssecsscssssssessesssssssessesssssssessesssssssssssssssssessessssssessesssssseessesssseseeseessssee 4 A WARNING AUTO CHANGEOVER AUTO MODE OPERAATION v e a a aae aan a nae an an E aE AAE E E E nna 6 MANUAL OPERATION COOL DRY HEAT ccsscccsssssscssecsssssesessseccsssesessuecesssvessssscessssesesssesesssesessusssassesesssesessusesssassessseesesseesen 7 Do not use intermediate connection of the power supply cord or the extension cord and do not AIR FLOW VELOCITY AND DIRECTION ADJUSTMENT cccssecccssseccssssccsssscesssscsesssescss
3. Do not pull the power supply cord e This may result in leakage fire or an explosion A Do not operate the unit for a long time in high humidity e g leaving a door or window open e Inthe cooling mode if the unit is operated in a room with high humidity 80 RH or more for a long time water condensed in the air conditioner may drop and wet or damage furniture etc Do not operate the unit at low outside temperature less than 10 C in the cooling mode e In the cooling mode if the unit is operated at low outside temperature less than 10 C water con densed in the air conditioner may drop and wet or damage furniture etc Sep AIR OUTLET FRONT GRILLE SAFETY PRECAUTIONS NAME OF EACH PART A CAUTION Indoor unit Do not use the unit for special purposes e 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 e 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 e Since the fan rotates at high speed during operation this may cause an injury When the unit is not going to be used for a long time disconnect the power supply plug or turn off the breaker Catechin air filter e Otherwise dirt may collect and this may cause a fire Replace the 2 batteries wi
4. How to set the ON timer How to set the OFF timer i Press the osm button during operation i Press the 2 button during operation Each time the button is pressed the ON timer mode alternates between ON and OFF Each time the button is pressed the OFF timer mode alternates between ON and OFF Set the time of the timer using the TIME but Set the time of the timer using the TIME but tons gt Forward and Backward tons gt J Forward and Backward Each time the kl button is pressed the set time Each time the _ gt button is pressed the set time in increases by 10 minutes each time the a button is creases by 10 minutes each time the lt button is pressed the set time decreases by 10 minutes pressed the set time decreases by 10 minutes To release the OFF timer E Press the button To release the ON timer D Press the button Programming timer operation The ON timer and the OFF timer can be used in combination The timer of the set time that is reached first will operate first mark indicates the order of timer operations e If the current time has not been set the timer operation cannot be used NOTE 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
5. the capacity may be lowered due to dirt inside the unit e Depending on the condition an odor may be generated or dehumidified water may not drain out smoothly due to dirt dust etc e Itis recommended that the unit be inspected and maintained charged by specialist in addition to normal maintenance Consult your dealer Operating sound considerations Do not put an object around the air outlet of the outdoor unit This may lower the capacity or increase the volume of the operating sound e Han abnormal sound is heard during operation consult your dealer Relocation e When the air conditioner is to be removed or re installed because of rebuilding moving etc special techniques and work are required N WARNING Repairs or relocation should not be done by the customer If this is done incorrectly it may cause a fire an electric shock or an injury from the unit falling water leaking etc Consult your dealer Disposal To dispose of this product consult your dealer If you have any questions consult your dealer _Setname MFZ KA25VA H MFZ KA35VA H MFZ KA50VA indoor MFZKA25VA Mk MFZKA5OVA N 230V 50Hz Function Power supply SSC IN OOH Gate WWII au 5s IA Ian E Weight 14 3 Refrigerant filling 1 1 60 aor P20 IP 24 excessive operating HP ps 4 pressure de EECH dB A 37 32 27 22 37 32 27 22 38 33 28 23 38 33 28 25 43 39 35 32 44 39 35 32
6. Be sure to ask the service representative whether there is refrigerant leakage or not when repairs are carried out The refrigerant charged in the air conditioner is safe Refrigerant normally does not leak however if refrigerant gas leaks indoors and comes into contact with the fire of a fan heater space heater stove etc harmful substances will be generated Electrical work e Provide an exclusive circuit for the power supply of the air conditioner e Be sure to observe the breaker capacity Z WARNING e The customer should not install this unit If installation is done incorrectly it may cause a fire an electric shock or injury from the unit falling water leaking etc e Do not use intermediate connection of the power supply cord or the extension cord and do not connect many devices to one AC outlet A fire or an electric shock may result from poor contact poor insulation exceeding the permissible current etc Consult your dealer SPECIFICATIONS Z CAUTION e Earth the unit Do not connect the earth to a gas pipe water pipe lightning rod or the earth of a telephone If the earthing is incorrect it may cause an electric shock e Install an earth leakage breaker depending on the place where the air conditioner is to be installed humid places etc If the earth leakage breaker is not installed it may cause an electric shock Inspection and maintenance e When the air conditioner is used for several seasons
7. COOL gt DRY gt CO HEAT The set temperature is also displayed on the remote controller To stop operation ON OFF MODE FAN STOP Press the button Hor Ses R eooo VANE START ED 21 i save 2C TIME Lal RESET CLOCK A O After the operation mode is set once the operation starts in the same mode as ON OFF the one set previously from the next time by simply pressing the button E ARA RR P When the set temperature is to be changed e Press the button to lower the temperature One press lowers the temperature by about 1 C TOO COOL e Press the a button to raise the temperature One press raises the temperature by about 1 C Description of AUTO CHANGEOVER 1 Initial mode When unit starts the operation with AUTO operation from off e If the room temperature is higher than the set temperature operation starts in COOL mode e If the room temperature is equal to or lower than the set temperature operation starts in HEAT mode 2 Mode change COOL mode changes to HEAT mode when about 15 minutes have passed with the room temperature 2 degrees below the set temperature 2 HEAT mode changes to COOL mode when about 15 minutes have passed with the room temperature 2 degrees above the set temperature NOTE If two or more indoor units are operating in multi system there might be a case that the indoor unit which is operating in CH AUTO
8. Page 11 Are there any obstacles blocking the air inlet or outlet of the indoor or outdoor unit Is a window or door open Is the filter clean Page 11 12 Are the batteries exhausted Page 5 Is the polarity of the batteries correct Page 5 Are any buttons on the remote controller of other electric appliances being pressed Does the air conditioner start operating again If the air conditioner had operated before the power failure as these models are equipped with an auto restart function the air conditioner should start operating again Refer to Descrip tion of AUTO RESTART FUNCTION on page 6 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 using the air conditioner and consult your dealer e When water leaks or drops from the indoor unit e When the left operation indicator lamp blinks e When the breaker trips frequently e 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 e 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 e When thunder is heard stop operation and disconnect the power supply plug or turn off the breaker Otherwise the electri
9. earth leakage breaker depending on the place where the air conditioner is to be installed humid places etc e Ifthe earth leakage breaker is not installed it may cause an electric shock Drain should be fully drained e Ifthe drainage route is incomplete water may drop from the unit This may wet and damage the furniture back and side Air inlet back and side fi Piping IO Drainage hose ULC L gt Yj A INN S c W SQ Air outlet D EN Air outlet ins Drain outlet NAME OF EACH PART Remote controller A MITSUBISHI ELECTRIC Operation display section ON OFF operate stop button HeT CiUiel ON OFF w it Temperature buttons Open the front lid This diagram shows an overall view aT hd ies ala zl ATI Cite el D ON OFF WARMED ESS MODE FAN se ECONO COOL VAN Leila i save D TIME set buttons Forward button Backward button CLOCK set button Vane control button Fan speed control button Operation select button ECONO COOL button RESET button PREPARATION BEFORE OPERATION Auto restart function 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 r
10. isave Recommended horizontal vane range for more efficient air conditioning Use the AUTO position usually Use position 4 1 or s 2 in the COOL or DRY BE When the set temperature is to be changed mode and use positions g 3 to 4 5 in the E HEAT mode when adjusting to your require RESET CLOCK A e Press the button to lower the temperature One press lowers the temperature by about 1 C ments TOO COOL e Press the a button to raise the temperature One press raises the temperature by about 1 C In COOL operation e When the outside temperature is low the fan of the outdoor unit turns on and off frequently or decreases the rotation speed to maintain sufficient cooling capacity In DRY operation e The temperature control temperature setting cannot be done e The room temperature is slightly lowered in this operation mode a The details of the display on the indoor unit are explained on page 6 If the air conditioner doesn t cool or heat effectively If the fan speed is set to Low or AUTO sometimes the air conditioner may not cool or heat the air effectively In this case change the fan speed to Med or upper Change the fan speed Fan speed Low or AUTO Fan speed Med or upper AIR FLOW VELOCITY AND DIRECTION ADJUSTMENT Movement of the horizontal vane D To change the horizontal direction of the air flow move the vertical va
11. it off and discon nect the power supply plug or turn off the breaker Since the fan rotates at high speed during operation it may cause an injury Cleaning the indoor unit E Clean the unit using a soft dry cloth e Ifthe dirt is noticeable wipe the unit with a cloth soaked in a solution of mild detergent diluted in luke warm water e Donotuse gasoline benzine thinner polishing pow der or insecticide The unit may be damaged CLEANING THE FRONT GRILLE Push the 2 positions indicated by the arrows until a click is heard and open the front grille Wipe the front grille with a soft dry cloth or wash it with water After washing the grille wipe up the remain ing water with a soft dry cloth and let it dry out of direct sunlight e lf the dirt is noticeable wipe the front grille with a cloth soaked in a solution of mild detergent diluted in lukewarm water e Do not use gasoline benzine thinner polishing powder or insecticide and do not wash the front grille with a scrubbing brush or the hard surface of a sponge e Do not soak the front grille in water lukewarm water longer than two hours and do not expose the grille to direct sunlight heat or flames when drying it The grille may be deformed or discolored Close the grille following the removal procedure in reverse Be sure to hook the string before closing the grille A EE UM A SS S ShN S SSS SN BSS SS
12. on again the air condi tioner will start operation automatically in the same mode as the one set with the remote con troller just before the shutoff of the main power The damper is automatically controlled by a mi crocomputer according to the air flow tempera ture and operation time of the air conditioner The installation location of the outdoor unit should be at least 3 m away from the antennas for TV sets INSTALLATION RELOCATION AND INSPECTION Installation place 7 Avoid installing the air conditioner in the following places Inverter type antenna of the affected device if operation of the air fl as g 7 Where flammable gas could leak uorescent lamp conoitoner ntertares with radio or TV reception CAUTION C To prevent the effects of a fluorescent lamp Do not install the unit where flammable gas could leak oe If gas leaks and collects around the unit it may cause possible Reap a Snae e an explosion EE to prevent the ry Place picture e Where there is much machine oil JN Bione or distortion or e Salty places such as the seaside na noise e Where sulfide gas is generated such as a hot spring e Where oil is splashed or where the area is filled with oily smoke e Where there is high frequency or wireless equipment AP WARNING If the air conditioner operates but does not cool or heat depending on model the room consult your dealer since there may be a refrigerant leak
13. ILTER Cleaning the air cleaning filter about once every 3 months Remove the catechin air filter After rinsing with water lukewarm water shake off the excess water and dry the filter Open the front grille S well in the shade E Do not expose the filter to direct sunlight or heat from a fire when drying it ZAM Catechin air filter lt m Attach the air cleaning filter Fix the filter with the tabs securely Remove the air cleaning filter A Clean titer Catechin air filter Soak the filter together with its frame in luke D Install the catechin air filter Securely install warm water and wash it its tabs E If the dirt is noticeable use a solution of mild deter gent diluted in lukewarm water E f hot water 50 C or more is used the filter may be deformed E Do not use a scrubbing brush or sponge This may damage the surface of the filter E Do not use a chlorine detergent Install Securely close the front grille 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 about me every year Remove the catechin air filter Attach a new air cleaning filter Fix the filter Open the front grille with the tabs securely Catechin air filter Install the catechin air filter Be sure to install its both ends into the tabs Remo
14. MITSUBISHI ELECTRIC SPLIT TYPE AIR CONDITIONERS OPERATING INSTRUCTIONS INDOOR UNIT MFZ KA25VA MFZ KA35VA C MFZ KA50VA OPERATING INSTRUCTIONS e To use this unit correctly and safely be sure to read this operating instructions before use Bedienungsanleitung e Um diese Einheit richtig und sicher zu verwenden unbedingt diese Bedienungs anleitung vor der Inbetriebnahme durchlesen NOTICE D UTILISATION A lattention des clients e Pour avoir la certitude d utiliser cet appareil correctement et en toute s curit veuillez lire attentivement cette notice d instructions avant de mettre l appareil en fonction GEBRUIKSAANWIJZING Voor de klant e Om dit apparaat op de juiste manier en veilig te gebruiken dient u eerst deze gebruiksaanwijzing aandachtig door te lezen MANUAL DE INSTRUCCIONES Para los clientes e Para emplear correctamente este aparato y por razones de seguridad debe leer este manual de instrucciones de manejo antes de su utilizacion LIBRETTO D ISTRUZIONI Per gli utenti e Per utilizzare correttamente quest unita leggere questo libretto d istruzioni atten tamente e per intero OAHTIEZ AEITOYPLIAZ e TO va XYPNOIWOTIOINOETE AUT TNV pov a OWOTA KOL UE AOMAAELA BEBalwPseiTe OT EXETE OLABAOEL AUTO TO EYXEIPIOLO OONYIWV npiv ATIO TV XENON INSTRU ES DE OPERA O e Para utilizar esta unidade correctamente certifique se de que l estas instru es de opera o antes da utiliza
15. Noise level High Med Low NOTE 1 Rating condition Cooling Indoor 27 C DB 19 C WB Outdoor 35 C DB Heating Indoor 20 C DB Outdoor 7 C DB 6 C WB 2 Guaranteed operating range Outdoor SUZ KA50VA SUZ KA25 35VAH 32 C DB 46 C DB 43 C DB 46 C DB SES 21 C DB 10 C DB 10 C DB 10 C DB ace 24 C DB eae 27 C DB Upper limit one 18 C WB SES 20 CDB 10 C DB Lower limit a 41 C WB 24 C DB 18 C WB 10 C DB 11 C WB 24 C DB 18 C WB 20 C DB 21 C WB This product is designed and intended for use in the residential commercial and light industrial environment The product at hand is based on e Low Voltage Directive 73 23 EEC the following EU regulations e Electromagnetic Compatibility Directive 89 336 EEC a MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE TOKYO BLDG 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN SG79Y505H03
16. S CAUTION e Do not drop the front grille or pull it out forcibly The grille may be damaged CLEANING THE CATECHIN AIR FILTER Cleaning the catechin ar filter about once every 2 weeks After washing with water lukewarm water dry the catechin air filter well in the shade Remove the catechin air filter Open the front grille e Do not expose the catechin air filter to direct sun light or heat from a fire when drying it Catechin air filter Z CAUTION When the catechin air filter is to be removed do not touch the metal parts of the indoor unit This may cause an injury Install the catechin air filter Be sure to install its both ends into the tabs as shown below Remove dirt from the catechin air filter us ing a vacuum cleaner or by washing the fil ter with water Do not wash with scrubbing brush or hard surface of sponge Otherwise the filter may deform e lf the dirt is noticeable wash the filter with a solu tion of mild detergent diluted in lukewarm water e If hot water 50 C or more is used the filter may be deformed ey BS What is Catechin air filter The air filter is dyed with a natural material catechin that is contained in tea The catechin air filter deodorizes odor and noxious gases such as formaldehyde ammonia and acetaldehyde Moreover it restraints the activity of the viruses adhering to the filter CLEANING THE AIR CLEANING F
17. SET buttons to set the current time MODE FAN STOP Ceo ECONO COOLA VANE OSTART CDC e save aJi TIME Lal RESET CLOCK A E e Each time the button is pressed the set time increases by 1 minute and each time the _ lt _ but ton is pressed the set time decreases by 1 minute e Pressing those buttons longer increases decreases the set time by 10 minutes Press the CLOCK set button again and close the front lid Handling of the remote controller The range that the signal can reach is about 6 m when the remote controller is pointed at the front of the in door unit When a button is pressed one or two beeps will be heard from the indoor unit If no sound is heard op erate again Use the remote controller carefully If it is dropped thrown or it gets wet the remote con troller may not operate When installing on a wall etc Install the remote controller holder in a position where the signal reception sound beep can be heard from the indoor unit when the button is pressed How to install remove the remote controller Installing Insert the remote controller downward Removing Pull it up Remote controller holder Dry cell batteries E Reference for replacing batteries Replace the batteries with new AAA alkaline batteries in the following cases When the indoor unit does not respond to the remote control signal When the dis
18. cal parts may be damaged be operated for about 3 min utes when restarted Cracking sound is heard The air from the indoor unit smells strange The fan of the outdoor unit does not rotate even though the compressor is running Even if the fan starts to ro tate it stops soon The sound of water flowing is heard The sound as burbling is heard The room cannot be cooled sufficiently Mist is discharged from the air outlet of the indoor unit Mechanical sound is heard from the indoor unit The swing operation of the HORIZONTAL VANE is sus pended for about 15 sec onds then restarted structions from the microprocessor Please wait 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 When the outside temperature is low the fan may not operate to maintain sufficient cooling Capacity This is the sound of refrigerant flowing inside the air conditioner This is the sound of condensed water flowing in the heat exchanger This is the sound of the heat exchanger defrost ing This sound is heard when the outside air is ab sorbed from the drain hose in turning on the range hood or the ventilation fan and that makes water flowing in the drain hose spout out This sound is also heard when the outside air blows into the
19. cannot change over to the other operating mode COOL lt gt HEAT and becomes a state of standby Refer to the detailed information for multi system air conditioner explained on the right Description of AUTO RESTART FUNCTION e 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 If the unit was set to off with the remote controller before the shutoff of the main power it will remain stopped even after the main power is turned on H the unit is operated in CH AUTO mode before power failure the operation mode COOL DRY or HEAT is not stored in the memory When the main power is turned on the unit decides the operation mode by the initial room temperature at restart and starts operation again Information for multi system air conditioner Multi system air conditioner can connect two or more indoor units with one outdoor unit According to the capacity two or more units can operate simultaneously e When you try to operate two or more indoor units with one outdoor unit simultaneously one for the cooling and the other for heating the operation mode of the indoor unit that operates earlier is selected The other indoor units that will start the operation later cannot operate indicating an operation state Refer to the table of Operatio
20. drain hose in case the outside wind is strong When a ventilation fan or a gas cooker is used in a room the cooling load increases resulting in an insufficient cooling effect When the outside air temperature is high the cooling effect may not be sufficient The cool air from the air conditioner rapidly cools moisture in the air inside the room and it turns into mist This is the switching sound in turning on off the fan or the compressor This is for the swing operation of the HORIZON TAL VANE to be performed normally changes during operation The direction of the hori zontal vane cannot be ad justed with the remote con troller Water leaks from the out door unit White smoke is discharged from the outdoor unit Air does not blow out soon in the heating operation The operation is stopped for about 10 minutes in the heating operation Hissing sound is some times heard The room cannot be heated sufficiently In a multi unit system the in door unit which is not oper ating becomes warm and a sound similar to water flow ing is heard from the unit The air conditioner starts the operation only with the main power turned on though you do not operate the unit with the remote controller The damper opens and closes automatically or DRY mode if the operation continues with air blowing down for 1 hour the direction of the air flow is automatically set to position 1 to pre vent conde
21. en the air outlet selection switch is set to blow out air from the upper air outlet only position 3 is set The horizontal vane operates as de scribed below to prevent air from blow ing directly on individuals in the room When heating operation starts or dur ing defrosting operation the air flow is reduced and the upper air flow direction is set to prevent cold air from blowing directly on individuals in the room Vertical air flow Does not blow directly on individuals in room The horizontal vane moves to the set position once warm air blows from the indoor unit Set air flow direction The horizontal vane moves intermit tently between positions 2 and 4 The horizontal vane stops for a brief period at positions 2 and 4 e Adjust the AIR FLOW direction using the remote controller Moving the horizontal vane manually can cause trouble e When the operation mode changes in CH AUTO mode the horizontal vane is automatically changed to the position in each mode e The horizontal vane automatically moves in certain intervals to determine its position and then it returns to the set position e Change the direction of the vertical vane upper hold e Change the direction of the vertical vane lower holding ing the tabs on the vane the vane Always adjust the vane when the damper is open Opening the damper forcibly with hands can cause damage or malfunction e Adjust the vane before o
22. erate in test run for 30 minutes and then the operation mode shifts to EMERGENCY MODE Details of EMERGENCY MODE are as shown be low However the temperature control does not work for 30 minutes in test run and the unit is set to continuous operation The fan speed is set to High in test run and shifts to Medium after 30 min utes Operation mode COOL HEAT Fan speed edum Medium Fan speed Horizontal vane Auto Auto The operation mode is indicated by the Operation Indicator lamp on the indoor unit as following fig ure Operation Indicator lamp EMERGENCY COOL BR c 41b EMERGENCY HEAT O BR STOP WW To stop the emergency operation press the EMERGENCY OPERATION switch once in case of EMERGENCY HEAT MODE or twice in case of EMERGENCY COOL MODE 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 Press the button A MITSUBISHI ELECTRIC Select the cO AUTO mode by pressing the button Each time this button is pressed the operation mode is changed in sequence ONIOFF JEAN CO AUTO gt lt 4
23. estart 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 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 shut off of the main power Refer to page 6 for details Outdoor unit K Insert the power supply plug into the power outlet and or turn the breaker on Z WARNING Remove dirt from the power supply plug and insert the plug securely If dirt adheres to the plug or insertion is incomplete it may cause a fire or an electric shock Remote controller E Use the remote controller provided with the unit only Do not use other remote controller 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 using a thin stick Ifthe RESET button is not pressed the remote con troller may not operate correctly e Be sure to press the RESET button not too strongly Press the CLOCK set button Press usinga W thin stick Press the gt Forward and lt Back ward buttons TIME
24. his could damage your health WHEN YOU THINK THAT TROUBLE HAS OCCURRED area aee a anaa aaa a aa ao an a an a a a A n a n an 13 The customer should not install this unit 7 a INSTALLATION RELOCATION AND INSPECTION 14 If this is done incorrectly it may cause a fire an electric shock or injury from the unit falling water SPECIFICATION S EEN 14 leaking etc Consult your dealer p Do not insert your finger or a stick etc into the air inlet outlet e Since the fan rotates at high speed this may cause an injury SAFETY P R ECAUTIO N S e 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 disconnect the power e Since rotating parts and parts which could cause an electric shock are used in this product be sure to read supply plug or turn off the breaker these Safety Precautions before use e Ifthe unit continues to be operated in an abnormal condition it may cause a fire trouble etc In this case e Since the cautionary items shown here are important for safety be sure to observe them consult your dealer Repairs or relocation should not be done by the customer Marks and their meanings e If this is done incorrectly it may cause a fire an electric shock or injury from the unit falling water N WARNING Incorrect handling could cause a serious hazard such as death serious injury etc with a high probab
25. ility i SE Geet TT E E E Z CAUTION Incorrect handling could cause a serious hazard depending on the conditions p PPY Ge H y g to avoid a hazard Meanings of symbols used in this manual e The colour of the sticker affixed to the unit is written in the parentheses Lg C AUTION Be sure not to do When the air filter is to be removed do not touch the metal parts of the indoor unit ER Be sure to follow the instruction e This may cause an injury Black Never insert your finger or stick etc Do not put a vase or glass on the indoor unit e Water dropping into the indoor unit may deteriorate the insulation causing electric shock D e Black Never step onto the indoor outdoor unit and do not put anything on them Do not use an insecticide or flammable spray Danger of electric shock Be careful e This may cause a fire or deformation of the cabinet Be sure to disconnect the power supply plug from the power outlet Do not put a pet or houseplant where it will be exposed to direct airflow e This could injure the pet or plant Be sure to shut off the power Do not leave the unit on an installation stand which is damaged After reading this manual keep it together with the installation manual in a handy place for easy reference The unit may fall and this may cause an injury XD Do not step onto an unstable bench when maintaining the unit etc Warning positions e This may cause an injury etc if you fall down
26. ion can be selected as required ONOFF To change the AIR FLOW velocity press the AN button Press the ca button E g YP ER i MITSUBISHI ELECTRIC Each time the button is pressed the fan speed is changed in sequence a Low aa Med gt aat High gt atl Super High AUTO A MITSUBISHI ELECTRIC Select the operation mode by pressing the B button a Each time this button is pressed the operation mode is changed in sequence OO aS I e Use the satil Super High notch to cool heat the room more efficiently ON OFF wan cO AUTO 4 COOL gt DRY gt ZX HEAT e If the operating sound of the air conditioner disturbs your sleep use the TOO rin TOO a Low notch ON OFF waARMWcoOL To stop operation E ON OFF To change the AIR FLOW blowing direction vertically press the VANE MODE FAN STOP ES Press the CH button button C JIC J After the operation mode is set once the operation starts in the same mode as MODE FAN IOSTOP Each time the button is pressed the angle of the horizontal vane is changed in ECONO COOL VANE f START the one set previously from the next time by simply pressing the a button Tse l o0 sequence 1 1 t 2 gt t 3 gt 1 4 gt 1 5 gt 41 SWING gt AUTO CG e CC 9 e ECONO COOL VANE START JILS Jel SWING OPERATION isave Use the swing operation to deliver air evenly z gt TIME Lal ST EE GA
27. n Indicator lamp below In this case please set all the indoor units to the same operation mode e When indoor unit starts the operation while the defrosting of outdoor unit is being done it takes a few minutes max 10 minutes to blow out the warm air In the heating operation the indoor unit that does not operate may get warm or the sound of refrigerant flowing may be heard This is not a malfunction since the refrigerant continuously flows into the indoor unit that does not operate Details of display on the indoor unit The operation indicator at the right side of the indoor unit indicates the operation state mi Green Lighted te Er Orange Lighted Operation Indicator BR LJ Dr Green Blinking D Orange Blinking Not lighted Operation indicator lamp indication Operation state Difference between target temperature and room temperature This shows that the air conditioner is operating to reach the target temperature Please wait until the target temperature is obtained About 2 C or more This shows that the room temperature is approaching the About 2 C or less target temperature Normal operation wm cok This shows a state of standby for operation Please refer to Information for multi system air conditioner above i save operation E Refer to the description of i save mode pe MANUAL OPERATION COOL DRY HEAT AIR FLOW VELOCITY AND DIRECTION ADJUSTMENT AIR FLOW velocity and direct
28. ne manually Select AUTO for most situations E Recommended air flow direction is automatically set E Swing operation is not used Select the air flow direction to suit your personal preference E The range displayed on the remote controller and the actual operation range of the horizontal vane may differ The vane does not move to horizontal position in COOL and DRY modes Select SWING for swing operation E The horizontal vane moves intermittently so that the air does not blow directly on an individual in the room for too long NOTE Horizontal vane position 1 is set Vertical air flow Does not blow directly on individuals in room Water may condense and drip from the horizontal vane if the air conditioner is operated continuously using the down horizontal vane positions 3 5 To prevent this the horizontal vane automatically moves to position 1 after 30 minutes to 1 hour of air conditioner operation To return to the previous setting press VANE the Cs button on the remote controller again to select the position After approximately 30 minutes to 1 hour When positions 3 5 are selected Position 1 The horizontal vane moves intermittently between positions 1 and 4 The horizontal vane stops for a brief period at positions 1 and 4 When the air outlet selection switch is set to blow out air from the upper and lower air outlets position 5 is set Wh
29. nsed water from dropping In the heating operation if the air flow tempera ture is too low or when defrosting is being done the horizontal vane position is automatically set to horizontal The horizontal vane automatically moves in cer tain intervals to determine its position and then it returns to the set position During COOL and DRY operations pipe or pipe connecting sections are cooled and this causes water to condense In the heating operation the defrosting opera tion makes water frozen on the outdoor unit melt and drip down In the heating operation water condensed on the heat exchanger drips down In the heating operation vapor generated by the defrosting operation looks like white smoke Please wait as the air conditioner is preparing to blow out warm air Defrosting of the outdoor unit is being done De frosting operation Since this is completed in 10 minutes please wait When the external temperature is too low and humidity is too high frost is formed This is the sound when the flow of refrigerant inside the air conditioner is switched When the outside air temperature is low the heating effect may not be sufficient A small amount of refrigerant continues to flow into the indoor unit even though it is not operat ing These models are equipped with an auto restart function When the main power is turned off with out stopping the air conditioner with the remote controller and is turned
30. oler than the normal heating temperature This is good to use if a room is unoccupied or while you are sleeping E Before leaving the room unoccupied Press the Ca button to switch to the low energy mode before leaving the room When you return to the room the temperature will not be too hot or too cold Press the el button again and the air conditioner will operate with the normal settings for temperature fan speed and air flow direction for a comfortable air conditioned environment E Before sleeping Before going to sleep press the e a button and then go to your bedroom While you are sleeping ei will be air conditioned using the low energy mode until the following morning In the morning press the button again and the air conditioner will operate with the normal settings for tempera ture fan speed and air PET ETC ei set room temperature will be obtained quicker than if the air conditioner was stopped while you were sleeping 2 Using as a mode for frequent settings If you often switch between two groups of settings for temperature fan speed and air flow direction in the same operation mode save one group of settings using the button This will allow you to select the desired group of settings simply by pressing the button avoiding the troublesome remote controller operations 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
31. peration starts Since the horizontal vane moves automatically your fingers may be caught AIR OUTLET SELECTION With this function air comes out simultaneously from the upper and lower air outlets so that the room can be cooled or heated effectively This function is set using the switch behind the front grille of the indoor unit This function is available in cooling and heating operation How to set to blow out air from the upper How to set to blow out air from the upper and lower air outlets air outlet only Set the air outlet selection switch to Jk E Set the air outlet selection switch to fi Air blows out automatically from the upper and lower air out lets as shown in the table below NOTE Set the air outlet selection switch to the end Otherwise air outlet cannot be selected as intended Description of operation Upper and lower air flow Upper air flow Upper air flow only Upper and lower air flow Upper air flow Room temperature is close to set tempera ture or the air conditioner has operated for 1 hour Room temperature and set temperature Conditions are different Air flow temperature Air flow temperature is high is low During defrosting operation start of operation etc e Be sure to keep the area around the damper of the lower air outlet free of any objects If any objects block the normal operation of the damper the left operation indicator lamp may blink ECONO COOL OPERATION
32. play on the remote controller becomes dim When a button of the remote controller is pressed all displays appear on the screen and then disappear immediately Do not use manganese batteries The remote controller could malfunction The service life of an alkaline battery is about 1 year However a battery whose time limit is approaching may be exhausted soon The recommended usable time limit is indicated month year on the bottom of the battery To prevent liquid leakage take out all batteries when the remote controller is not going to be used for a long time Af CAUTION If liquid from the batteries gets onto your skin or clothes wash it well with clean water If liquid from the batteries gets into your eyes wash them well with clean water and consult a doctor at once Do not use rechargeable batteries Replace the 2 batteries with new ones of the same type Dispose of exhausted batteries in the correct man ner 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 EMERGENCY HEAT MODE and STOP MODE However when the EMERGENCY OPERATION switch is once pressed the unit will op
33. power is restored WHEN THE AIR CONDITIONER IS NOT GOING TO BE USED FOR A LONG TIME When itis not going to be used for a long When the air conditioner is to be used time again Perform the FAN operation for 3 or 4 hours to dry the inside of the air conditioner e To perform FAN operation set the remote control ler to the highest temperature in the MANUAL COOL mode Refer to page 7 Turn off the breaker and or disconnect the power supply plug Ab CAUTION Turn off the breaker or disconnect the power supply plug 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 AP CAUTION To prevent liquid leakage take out all batteries when the remote controller is not going to be used for a long time MAINTENANCE Clean the air filter and install it in the indoor unit Refer to page 10 for cleaning instructions Check that the air inlet and outlet of the in door outdoor units are not blocked with any obstacles Check that the earth is connected correctly Af CAUTION Earth the unit Do not connect the earth to a gas pipe water pipe light ning rod or the earth of a telephone If the earthing is incorrect it may cause an electric shock Before starting maintenance a Turn off the breaker and or disconnect the power supply plug d S Z CAUTION When the unit is to be cleaned switch
34. save operation Press the 4 button to select COOL or HEAT mode i save operation can only be set during cooling or heating operation A MITSUBISHI ELECTRIC E Press the CS 5 button The ge e lamp on the right side of the indoor unit lights in or ange WOEN OIC MODE FAN STOP Li L s eo Press the and 0 buttons to set the desired temperature 2 S gt VANE i save Ei Press the Cs button to set the desired air flow direction Press the SC button to set the desired fan speed The next time the button is pressed the air conditioner starts operating with the above settings for temperature fan speed and air flow direction To change the settings repeat steps ES E RESET CLOCK GA OO NOTE e ECONO COOL operation can be set together with COOL mode for i save operation e Timer operation can be used even if i save operation is set To cancel i save operation isave E Press the gq button again MODE i save operation can also be cancelled by pressing the button to change the operation mode i save operation has been successfully cancelled if the operation indicator lamp on the right side of the indoor unit turns off or changes from orange to green Usage of i save operation 1 Using as a low energy mode i save operation can be used as a low energy mode by setting the temperature 2 3 C warmer than the normal cooling temperature or 2 3 C co
35. sccesssesessssesssaseessssesesssessssseseessesessseeesee 7 connect many devices to one AC outlet oo Ea AIR OUTLET SELECTION r EE E EE E E E E EE AE A E AAE E nin 8 A fire or an electric shock may result from poor contact poor insulation exceeding the permissible ECONO COOL OPERATION 9 current ete ela TION sechsecece cet ertc ceases ceesastzesceatte tence tech nec cecata datasets scouts teccesuc vomnailataseesteietseutecatdteasastecdaa 9 Do not scratch or process the power supply cord etc TIMER OPERATION ON OFF TIMER are ni nn nn n aa aa aa aE a E L ASE EA A AE E EE EEan 10 Do not put heavy object on the power supply cord and do not scratch or process the cord The cord may WHEN THE AIR CONDITIONER IS NOT GOING TO BE USED FOR A LONG TIME nrn 10 be damaged and this may cause a fire or an electric shock Gg AN EE 10 Do not turn the breaker off on or disconnect connect the power supply plug during operation CLEANING THE FRONT GRILLE 11 This may cause a fire due to spark etc SaS CLEANING THE CATECHIN AIR EIER 11 Be sure to turn off the breaker or disconnect the power supply plug absolutely after switching the indoor CLEANING THE AIR CLEANING FILTER a a E a E AAE A E AE E E nin 12 unit off with the remote controller REPLACEMENT OF THE AIR CLEANING EIER 12 Do not expose your skin directly to cool air for a long time BEFORE CONTACTING THE SERVICE REPRESENTATIVE CHECK THE FOLLOWING AGAIN ccccsssccccssssseccesssssecsesseee 13 T
36. th new ones of same type If liquid from the batteries gets onto your skin or clothes wash it well with clean water e If liquid from the batteries gets into your eyes wash them well with clean water and consult a doctor at once Ventilate well in using the unit with a stove etc Do not operate switches with wet hands e This may cause an electric shock Do not clean the air conditioner with water e Water may enter the unit and degrade the insulation This may cause an electric shock Display and operation section When the front grille is opened Do not step sit or put anything on the indoor outdoor unit e This may cause an injury etc if you or something falls down 77 D ai o mem Si Air cleaning filter Anti Allergy Enzyme Filter blue bellows type Operation indicator lamp For installation 5 dl Ch Emergency operation switch U N Air outlet selection switch A WARNING e Consult your dealer for installation of the air conditioner Remote control ji receiving section A CAUTION Outdoor unit Do not install the unit where flammable gas could leak SUZ KA25 35VA H SUZ KA50VA e lf gas leaks and collects around the unit it may cause an explosion Earth the unit e Do not connect the earth to a gas pipe water pipe lightning rod or the earth of a telephone If the earthing is incorrect it may cause an electric shock Install an
37. ve the air cleaning filter as shown below Ameleaning fiter Catechin air filter Install Securely close the front grille 6 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee e eee Air cleaning filter e Ifthe air cleaning filter is clogged it may lower the unit s capacity or cause condensation at the air outlet e The air cleaning filter is disposable The standard usable term is about 1 year Optional parts Optional parts are available from your local dealer AIR CLEANING FILTER Name of parts Anti Allergy Enzyme Filter MAC 415FT E BEFORE CONTACTING THE SERVICE REPRE SENTATIVE CHECK THE FOLLOWING AGAIN WHEN YOU THINK THAT TROUBLE HAS OCCURRED eer ___Arewortrata mano Question ___Anewor votamatfncton The air conditioner cannot e This protects the air conditioner according to in The air flow direction e When the air conditioner is operated in COOL The air conditioner cannot be operated The room cannot be cooled or heated sufficiently The air from the indoor unit smells strange The display on the remote controller does not appear or it is dim The indoor unit does not respond to the re mote control signal When a power failure oc curs Check points Is the breaker turned on Is the fuse blown Is the ON timer set Page 10 Is there anything that block the normal opera tion of the damper Page 8 Is the temperature setting correct Page 7 Is the filter clean
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