OPERATING INSTRUCTIONS
Contents
1. This diagram shows an overall view p a hd E T A Life OI WT D LibteLiti ON OFF WARMCDGSSL a MODE FAN_ OSTOP ee er ECONO COOL VANE f OSTART Fan speed control button Operation select button ECONO COOL button Temperature buttons NOTE Use the remote controller provided with the unit only Do not use other remote controller Off timer button On timer button TIME set buttons Forward button Backward button RESET button CLOCK set button Vane control button PREPARATION BEFORE OPERATION Auto restart function P 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 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 shutoff of the main power Refer to page 6 for details Indoor and or Outdoor unit Insert the power supply plug into the power outlet and or turn the breaker on N WARNING Remove dirt from the power supply plug and inser2. The air flow direction changes during operation The direction of the horizontal vane cannot be adjusted with the remote controller Water leaks from the outdoor 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 sometimes heard The room cannot be heated sufficiently In a multi unit system the indoor unit which is not operating becomes warm and a sound similar to water flowing 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 Question Answer not a malfunction e 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 position 1 to prevent condensed 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 During COOL and DRY operations pipe or pipe connecting sections are cooled and this causes water to condense s Inthe heating operation the defrosting operation makes water frozen on the outdoor unit melt and drip down In the heating operation water drips from the heat exc
3. of the viruses adhering to the filter CLEANING THE AIR CLEANING FILTER OPTION REPLACEMENT OF THE AIR CLEANING FILTER OPTION When the capacity is lowered because of dirt etc it is necessary to replace the air cleaning filter Cleaning the air cleaning filter about once every 3 months SR Remove the air filter left one EJ Soak the filter together with its frame in luke Air cleaning filter replacement about once every year warm water and wash it a SEHR seh im if ine Girt 1S TEE E mild deter ER Remove the air filter left one EJ Attach a new air cleaning filter to the air filter gent diluted in lukewarm water The air cleaning filter is not attached to the right side air so that all 8 tabs on the air filter are securely E f hot water 50 C or more is used the filter may be filter installed 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 Air filter Air filter A Pull up the tabs on both sides of the air clean ing filter with your finger and remove the air E Pull up the tabs on both sides of the air clean cleaning filter blue bellows type from the air ing filter with your finger and remove the air filter ER After rinsing with water lukewarm water cleaning filter blue bellows type from the air ER Install the air filter Securely install its tabs shake off the excess water and dry the filter filter well in t
4. 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 e These units are equipped with an auto restart function When the main power is turned on the air conditioner will start and heating according to the room temperature In addition fan control of the outdoor unit enables operation automatically in the same mode as the one set with the remote controller before the shutoff of the main g H cooling operation at outside temperature as low as 10 C soak l l o 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 A If the unit was in the emergency operation before the shutoff of the main power it will start operation when main power To select the AUTO mode comes on in the same mode as the one set with the remote controller before the emergency operation P Press the button If the unit is operated in amp AUTO mode before power failure the operation mode COOL DRY or HEAT is not stored g in the memory When the main power is turned on the unit decides the operation mode by the initial room temperature A Select the CG AUTO mode by pressing Uber button at restart and starts operation again Each ti
5. thinner polishing powder or insecticide and do not wash the front panel with a scrubbing brush or the hard surface of a sponge Do not soak the front panel in water lukewarm water longer than two hours and do not expose the panel to direct sunlight heat or flames when drying it The panel may be deformed or discolored EJ Hold both ends of the front panel keep the panel level and insert the hinges into the holes on the upper part of the indoor unit until they click into place Then close the front panel securely and press the three positions on the front panel as indicated by the arrows Heat exchanger Remove the air filter before cleaning the heat exchanger Alp Heat exchanger You can sweep the surface of heat exchanger if you install the brush of QUICK CLEAN KIT to your vacuum cleaner Please refer to the instructions described in QUICK CLEAN KIT for details N WARNING e Do not touch the heat exchanger directly with your hands Otherwise you may get injured It s recom mended to protect your hands with a pair of gloves A CAUTION Do not step onto an unstable bench when cleaning Otherwise you may fall down and get injured Use only the brush of QUICK CLEAN KIT Do not use other stuffs Otherwise the heat exchanger of the indoor unit may get damaged Optional product Name of parts Quick Clean Kit MAC 093SS E Optional product is available from your local dealer NOTE The QUICK
6. CLEAN KIT can only be fitted to a vacuum cleaner with a hose tube diameter inside diameter of 32 to 39 mm Refer to the instructions of the QUICK CLEAN KIT Refer to page 12 for cleaning the fan CLEANING THE AIR FILTER CATECHIN Cleaning the air filter about once every 2 weeks E Remove the air filter Open the front panel then remove replace the filter Air filter J G ss R d lees ee Ab CAUTION When the air filter is to be removed do not touch the metal parts of the indoor unit This may cause an injury B Remove dirt from the air filter using a vacuum leed or by washing the filter with water Do not wash with scrubbing brush or hard surface of sponge Otherwise the filter may deform e If the dirt is noticeable wash the filter with a solution of mild detergent diluted in lukewarm water s If hot water 50 C or more is used the filter may be deformed ay DESCH ee Ge ET EJ After washing with water lukewarm water dry the air filter well in the shade e Do not expose the air filter to direct sunlight or heat from a fire when drying it Al Install the air filter Securely install its tabs Install 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 restrains the activity
7. by one 2 Hold the tab of each vertical vane and move the vertical vanes in the directions of the arrows The vanes cannot be removed CU Holding the unit lightly with one hand grab the tab of each vertical vane with the other hand and pull it downward to swing out each vertical vane Pull towards you e Be sure to hold the tab to swing out the vertical vanes otherwise the vanes can be damaged e Do not use excessive force to the fan guard during this procedure The fan guard may be deformed and the vanes may not work properly ER Clean the air outlet and fan of the indoor unit Make sure the fan has stopped e Be careful not to injure your hands e 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 If the dirt is noticeable around the air outlet clean with a cloth soaked ina solution of mild detergent diluted in lukewarm water e Please refer to the instructions described in QUICK CLEAN KIT for the details of the way to clean with the brush of QUICK CLEAN KIT e Do not use gasoline benzine and polishing powder Do not use excessive force to the fan Otherwise it may be cracked EJ Put the vertical vanes back to their Original positions one by one CU Hold the tab of each vertical vane and insert the 2 Push each vertical vane until i
8. de opera o antes da utiliza o BRUGSANVISNING Til kunden e L s denne brugsanvisning f r brugen s korrekt og forsvarlig anvendelse af klimaanl gget sikres BRUKSANVISNING F r kunder 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 etme talimatlar n mutlaka okuyun PYKOBOACTBO NO SKCIJIYATALIUN Dna nonbsoBatenen e ina o6ecneYeHnA npasnnbHoro n 6esonacHoro ncnonbsoBaHna npn6opa cnenyeT DO Hasana ero kcnnyaTaynn BHNMATENbHO NpoynTaTb AAHHOE pyKOBOACTBO Francais Nederlands EAAnvika Portugu s Svenska T rk e Pycckun CONTENTS SAFETY al oes EN BO See ee ee ne ee ee re ee en ee ee ee ee ee ee 2 NAME OF TE E WE 3 PREPARATION BEFORE eebe 4 AUTO CHANGEOVER AUTO MODE OPERATION WE 6 MANUAL e MN Keele ERC Ae RE 7 AIR FLOW VELOCITY AND DIRECTION ADJUSTMENT RE 7 ECONO COOL OPERATION E 9 TIMER OPERATION ON OFF TIMER EE 9 WHEN THE AIR CONDITIONER IS NOT GOING TO BE USED FOR A LONG TIME ssisicisiiinivcosasucvanauvuenniabhieniatianaash lusiandeannis 9 MAINTENANCE sage trate E E E T E T E E AN E 9 CLEANING THE FRONT PANEL HEAT EXCHANGER AND FAN viniissacenseusccuisisins taeiialocitnerinereiuibubibiarituatdenicieiiuleress 10 CLEANING THE AIR FILTER CATECHIN stesisscistuncessoiwsnc ua cilc
9. heard operate again e 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 e 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 p 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 display 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 e 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 e To prevent liquid leakage take out all batteries when the remote controller is not going to be used for a long time A 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 the
10. 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 If the dirt is noticeable wipe the unit with a cloth soaked in a solution of mild detergent diluted in luke warm water e Do not use gasoline benzine thinner polishing powder or insecticide The unit may be damaged e The front panel may come off if it is lifted up past its level position If the front panel comes off refer to step EJ in CLEANING THE FRONT PANEL CLEANING THE FRONT PANEL HEAT EXCHANGER AND FAN Front panel ER Hold both ends of the front panel and lift the panel up until a click is heard CU Holding the hinges lift the panel up until it is level and pull the hinges forward to remove the front panel A CAUTION Do not drop the front panel or pull it out forcibly The panel may be damaged Do not step onto an unstable bench when removing or installing the front panel This may cause an injury etc if you fall down 3 Wipe the front panel with a soft dry cloth or wash it with water After washing the panel wipe up the remain ing water with a soft dry cloth and let it dry out of direct sunlight e If the dirt is noticeable wipe the front panel with a cloth soaked in a solution of mild detergent diluted in lukewarm water e Do not use gasoline benzine
11. 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 Ee LF Fan speed Low or AUTO Change the fan speed mb W Fan speed Med or upper AIR FLOW VELOCITY AND DIRECTION ADJUSTMENT Movement of the horizontal vane TI emm T To change the horizontal direction of the air flow move the vertical vane manually At the start of heating ll Ee Horizontal position Cell Lil When air becomes warm Very small Horizontal position air flow Position 4 The vane automatically moves to horizontal position Immediately after the air conditioner starts operating It will not swing the vane stays at horizontal position Once the air NOTE from the indoor unit becomes sufficiently warm the e Se vane moves to position 4 Air blows out upper than position 1 Once the air conditioner starts operating the fan To constantly change the air flow direction select speed increases gradually as the air from the indoor o SWING with the VANE button Adjust the vane before operation starts Since the horizontal vane moves automatically your fingers may be caught To change the air flow direction not to blow directly onto your body To change the air When to use this function COOL DRY HEAT flow direction Pressing and holding VANE the button for 2 seconds or more causes the horizontal vane t
12. EU regulations e Electromagnetic Compatibility Directive 89 336 EEC A MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE TOKYO BLDG 2 7 3 MARUNOUCHI CHIYODAKU TOKYO 100 8310 JAPAN SG79Y682H01
13. MITSUBISHI ELECTRIC SPLIT TYPE AIR CONDITIONERS OPERATING INSTRUCTIONS INDOOR UNIT MSZ GB50VA LE OPERATING INSTRUCTIONS For customers e To use this unit correctly and safely be sure to read this operating instructions before use Bedienungsanleitung Fur Kunden e Um diese Einheit richtig und sicher zu verwenden unbedingt diese Bedienung sanleitung vor der Inbetriebnahme durchlesen NOTICE D UTILISATION A l attention 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 attenta mente e per intero OAHTIEZ AEITOYPTIA2 Ma Tov meAaTn e id va XPNOLLOTIOINOETE OUT THV pov a GWOT KOL WE AOMAAELA BeBouutetre OTL EXETE SLABACGEL AUTO TO EYXELPIOLO OSNYILWV npiv ATO THV XENON INSTRU ES DE OPERA O Para os clientes e Para utilizar esta unidade correctamente certifique se de que l estas instru es
14. NG gt AUTO S Cer SE eau SWING OPERATION ie Use the swing operation for the air flow to reach all corners of the room ES Press the button MODE FAN STOP After the operation mode is set once the operation starts in the same mode as S ORO the one set previously from the next time by simply pressing the button ECONO COOL VANE OSTART f Ca Ca E TIME lt RESET CLOCK A Recommended horizontal vane range for more efficient air conditioning Use the AUTO position usually Use position 1 in the COOL or DRY mode and RESET CLOCK A ES When the set temperature is to be changed use positions 2 to a 4 in the HEAT mode when adjusting to your requirements e Press the O button to lower the temperature One press lowers the temperature by about 1 C 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 ES 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
15. R CONDITIONER IS NOT GOING TO BE USED FOR A LONG TIME When it is not going to be used for a long time SR Perform the FAN operation for 3 or 4 hours to dry the inside of the air conditioner s To perform FAN operation set the remote controller to the highest temperature in the MANUAL COOL mode Refer to page 7 ES Turn off the breaker and or disconnect the power supply plug en VY N 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 Ei Remove the batteries from the remote con troller Z CAUTION To prevent liquid leakage take out all batteries when the remote controller is not going to be used for a long time MAINTENANCE When the air conditioner is to be used again Clean the air filter and install it in the indoor unit Refer to page 10 for cleaning instructions ER Check that the air inlet and outlet of the indoor outdoor units are not blocked with any obstacles EJ Check that the earth is connected correctly Z 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 Turn off the breaker and or disconnect the power supply plug D N CAUTION When the unit is to be cleaned switch it off and discon
16. ane does not move 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 remote control signal When a power failure occurs Is the breaker turned on Is the fuse blown Is the ON timer set Page 9 Is the horizontal vane attached to the indoor unit correctly Page 12 e Are the horizontal vane and the vertical vane attached to the indoor unit correctly Page 12 e Is the fan guard deformed s Is the temperature setting correct Page 7 Is the filter clean Page 10 s Is the fan of the indoor unit clean Page 12 e 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 10 Is the fan of the indoor unit clean Page 10 Are the batteries exhausted Page 5 e 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
17. around the unit it may cause an explosion A CAUTION Earth the unit Do not connect the earth to a gas pipe water pipe lighthing rod or the earth of a telephone If the earthing is incorrect it may cause an electric shock 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 Drain should be fully drained If the drainage route is incomplete water may drop from the unit This may wet and damage the furniture NAME OF EACH PART Heat exchanger Front panel Air cleaning filter CO o Optional parts Anti Allergy Enzyme Filter Blue bellows type ANA Air filter Catechin ZL Air outlet Vertical vane Horizontal vane Fan Remote controller Display section OPERATION INDICATOR Operation section When the front panel is opened Operation Indicator lamp G INVERTER receiving section Outdoor unit Emergency operation switch back and side Esc A i y Idi LCC CCC eC CCC CCC Air outlet Lis CANCE Drain outlet NAME OF EACH PART Remote controller Signal transmitting section A MITSUBISHI ELECTRIC Operation display section ON OFF operate TOO ran T stop button ON OFF ward Open the front lid
18. ater space between the outdoor unit and the antenna of the affected device if operation of the air conditioner interferes with radio Installation place Avoid installing the air conditioner in the following places Where flammable gas could leak Inverter type To prevent the effects fluorescent lamp or TV reception of a fluorescent lamp dee keep as far apart as Z CAUTION Do not install the unit where flammable gas could leak gea Ser If gas leaks and collects around the unit it may cause picture an explosion rien aed e Where there is much machine oil e Salty places such as the seaside 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 N 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 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 brea
19. changed to the position in each mode 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 operat ing in the MANUAL COOL mode A MITSUBISHI ELECTRIC ECONO COOL Press the button When the er 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 the button again Si ON OFF d dER Ga MODE FAN STOP C JCs J 20 ECONO COOL VANE OSTART e Uz l szt ANE When the button is pressed or the operation mode is changed during the ECONO COOL operation ECONO COOL operation is released FAN WARM GGL gt The _s_ button the or A button and ON OFF timer explained below are available RESET CLOCK A 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 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 t
20. ectly it may cause a fire an electric shock or injury from the unit falling water leaking etc Consult your dealer e If the power supply cord is damaged it must be replaced by the manufacturer or its service agent in order to avoid a hazard 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 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 supply plug and or turn off the breaker e If the unit continues to be operated in an abnormal condition it may cause a fire trouble etc In this case consult your dealer A CAUTION When the air filter is to be removed do not touch the metal part of the indoor unit Do not touch the air inlet or aluminum fin of the outdoor unit e This may cause an injury 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 Do not use an insecticide or flammable spray e This may cause a fire or deformation of the cabinet Do not put a pet or houseplant where it will be exposed to direct airflow e This could injure the pet or plant Do not place other electric appliances or furniture under the indoor outdoor unit e Water may drip down from the unit and this may cause damage or malfunct
21. 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 affected device e When thunder is heard stop operation and disconnect the power supply plug or turn off the breaker Otherwise the electrical parts may be damaged The air conditioner cannot be operated for about 3 minutes 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 rotate 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 suspended for about 15 seconds then restarted structions from the microprocessor Please wait e This sound
22. g sound e f an 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 Z 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 Setnmame MSZGB50VA___ Indoor _ LI MSZGB50VA___ Function Power suppl Indoor kg peal Refrigerant filling capacity R410A Kg 1 39 Se P20 P24 frm wel te operating HP ps pressure ele Indoor Super High Hiah Med Low dB A 48 44 38 32 48 42 36 30 Permissible excessive 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 door Tage D 32 C DB 43 C DB Upper limit 53 C WB H Cooling Lower Mot 1 ST SE Pe 15 C WB n 27 C DB 24 C DB Upper limit B 18 C WB Heatin I o 20 C DB 10 C DB Lower limit 11 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
23. hanger This is not a malfunction However if you have any trouble with water dripping consult your dealer for drainage work Please note that we cannot provide drainage work in such climate that the outdoor unit may get frosted s In the heating operation vapor generated by the defrosting operation looks like white smoke e Please wait as the air conditioner is preparing to blow out warm air e Defrosting of the outdoor unit is being done Defrosting 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 e 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 without stopping the air conditioner with the remote controller and is turned on again the air conditioner will start operation automati cally in the same mode as the one set with the remote controller just before the shutoff of the main power INSTALLATION RELOCATION AND INSPECTION The installation location of the outdoor unit should be at least 3 m away from the antennas for TV sets radios etc In areas where the reception is weak provide gre
24. he shade E Do not expose the filter to direct sunlight or heat from a fire when drying it Air filter ae Back side B Air filter Back side E Securely close the front panel Air cleaning filter e If the 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 orparts Anti Allergy Enzyme Filter This optional part is for the replacement of the left side filter only No optional part is available for the right side filter CLEANING THE AIR OUTLET AND FAN OF THE INDOOR UNIT Before cleaning bg Switch the indoor unit off with the remote controller and disconnect the power supply aD 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 E Manually move the horizontal vane to the end towards you and make sure the fan has stopped 3 Remove the horizontal vane Be sure to hold horizontal vane when unlocking the stoppers Follow the procedure and to remove the horizontal vane Unlock EJ Swing the vertical vanes out one
25. ion to them Do not leave the unit on an installation stand which is damaged e The unit may fall and this may cause an injury Do not step onto an unstable bench when maintaining the unit etc e This may cause an injury etc if you fall down Do not pull the power supply cord e The core wire of the power supply cord may be disconnected and this may cause a fire Do not charge or disassemble the batteries and do not throw them into a fire e This may result in leakage fire or an explosion Do not operate the unit for a long time in high humidity e g leaving a door or window open s In the 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 SAFETY PRECAUTIONS A 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 e This may cause imperfect combustion Do not operate the unit at low outside temperature less than 10 C in the cooling mode e Inthe cooling mode if the unit is operated at low outside temperature less than 10 C water condensed in the air conditioner may drop and wet or damage furniture etc When the unit is to be cleaned switch it off and disconnect the power supply p
26. ions 1 and 4 ll Immediately after the air conditioner starts operating the vane stays at horizontal position Once the air from the indoor unit becomes sufficiently warm the vane moves to the position corresponding to the set direction of air flow Once the air conditioner starts operating the fan speed increases gradually as the air from the indoor unit gets warmer and continues until the set speed is finally reached The vane moves intermittently between positions 2 and 4 The vane stops for a brief period at positions 2 and 4 ll to ei AUTO or the down ward blowing position When the button is pressed again the vane returns to the previously set position and the air condi tioner starts heating opera tion in approx 3 minutes d to return the vane to the x previously set position Horizontal position set position and the air con ditioner starts the cooling or drying operation in approx 3 minutes NOTE s If you make the air flow not to blow directly onto your body by pressing button the compressor stops for 3 minutes even during the operation of the air conditioner e The air conditioner operates with decreased air flow until the compressor turns on again NOTE Adjust the vertical AIR FLOW direction using the remote controller Moving the horizontal vane manually can cause trouble When the operation mode changes in CH AUTO mode the horizontal vane is automatically
27. is generated by the expansion con traction of the front panel etc due to change in temperature e The air conditioner may suck in an odor adhering to the wall carpet furniture cloth etc and blow it out with the air e When the outside temperature is low the fan may not operate to maintain sufficient cooling Capacity e This is the sound of refrigerant flowing inside the air conditioner e This is the sound of condensed water flowing in the heat exchanger e This is the sound of the heat exchanger defrost ing e This sound is heard when the outside air is absorbed 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 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 WHEN YOU THINK THAT TROUBLE HAS OCCURED C oson aner nota matincion e This protects the air conditioner according to in
28. ker 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 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 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 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 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 It is recommended that the unit be inspected and maintained charged by specialist in addition to normal maintenance Consult your dealer Operating sound considerations e Do not put an object around the air outlet of the outdoor unit This may lower the capacity or increase the volume of the operatin
29. lained on the right This shows that the air conditioner is operating to reach the target temperature Please wait until the target temperature is About 2 C or more obtained This shows that the room temperature is approaching the target About 2 C or less temperature This shows a state of standby for operation Please refer to Information for multi system air conditioner above MANUAL OPERATION COOL DRY HEAT AIR FLOW VELOCITY AND DIRECTION ADJUSTMENT AIR FLOW velocity and direction can be selected as required EP Press the button SS To change the AIR FLOW velocity press the ea button bei a K CR A MITSUBISHI ELECTRIC Select the operation mode by pressing the MODE patton ZEIEN Each time the button is pressed the fan speed is changed in sequence Wier Em i a Low aa Med gt aal High sall Super High AUTO UD Each time this button is pressed the operation mode is changed in sequence TA AUTO gt COOL DRY gt HEAT Use the aall Super High notch to cool heat the room more efficiently PAES If the operating sound of the air conditioner disturbs your sleep use the To stop operation SSI atv nee 6 WARMC COOL ES To change the AIR FLOW blowing direction vertically press the VANE ea button Each time the button is pressed the angle of the horizontal vane is changed MODE KR OSTOR in sequence 1 gt v 2 8 gt 4 4 SWI
30. lug and 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 and or turn off the breaker e Otherwise dirt may collect and this may cause a fire Replace the 2 batteries of the remote controller with new ones of same type e Using an old battery together with a new one may result in heat generation leakage or an explosion 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 Ventilate well in using the unit with a stove etc e An oxygen shortage may occur Do not operate switches with wet hands e This may cause an electric shock Do not clean the air conditioner with water or put a vase or glass on it Water may enter the unit and degrade the insulation This may cause an electric shock Do not step or put anything on the indoor outdoor unit e This may cause an injury etc if you or something falls down For installation e Consult your dealer for installation of the air conditioner Since special techniques and work are required installation should not be done by the customer If this is done incorrecty it may cause a fire an electric shock injury or water leaking Do not install the unit where flammable gas could leak e If gas leaks and collects
31. m well with clean water and consult a doctor at once e Do not use rechargeable batteries e Replace the 2 batteries with new ones of the same type e Dispose of exhausted batteries in the correct manner 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 ER Press the EMERGENCY OPERATION switch s 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 operate in test run for 30 minutes and then the operation mode shifts to EMERGENCY MODE e 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 The fan speed is set to High in test run and shifts to Medium after 30 minutes Operation mode COOL HEAT Set temperature e The operation mode is indicated by the Opera tion Indicator lamp on the indoor unit as following figure Operation Indicator lamp EMERGENCY COOL EMERGENCY HEAT S STOP CJ A 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
32. me this button is pressed the operation mode is changed in sequence amp y AUTO gt lt COOL DRY CX HEAT ON OFF waRMCcSSt The set temperature is also displayed on the remote controller Information for multi system air conditioner V a Multi system air conditioner can connect two or more indoor units with one outdoor unit According to the To stop operation 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 MODE FAN OsTOP Ml Press the button other for heating the operation mode of the indoor unit that operates earlier is selected The other indoor units that will s gz After the operation mode is set once the operation starts in the same mode as start the operation later cannot operate indicating an operation state Refer to the table of Operation Indicator lamp ON OFI ECONO COOL VANE OSTART the one set previously from the next time by simply pressing the button below S a EE i In this case please set all the indoor units to the same operation mode 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 continuou
33. o reverse and move to horizontal position unit gets warmer and continues until the set speed is finally reached At the start A of heating ll E gt AN operation a When air around 0 5 AM to 1 hour Position 1 Horizontal becomes position warm Cell The air conditioner starts heat ing Operation approx 3 min utes after the vane has moved to the horizontal position e Sometimes the area around your feet may not warm To warn the area around the feet set the horizontal vane The air conditioner starts the cooling or drying operation approx 3 minutes after the vane has moved to the hori zontal position VANE 3 e When the button is pressed again the vane returns to the previously Use this function if you don t want the air from the indoor unit to blow directly onto your body e Depending on the shape of the room the air may blow directly onto your body Press the button again Very small air flow Set Position When the air flow direction is set to position 2 3 or 4 x SWING e After around one hour of operation the air conditioner automatically moves the vane to position 1 To change the air flow direction to the original setting operate the VANE button on the remote controller again The vane does not move to the straight down position in the COOL and DRY mode The vane moves intermittently between positions 1 and 4 The vane stops for a brief period at posit
34. o set the ON timer How to set the OFF timer EJ Press the button during operation ER Press the button during operation Each time the button is pressed the ON timer mode Each time the button is pressed the OFF timer mode alternates between ON and OFF 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 _ lt Backward tons gt Forward and a Backward Each time the L J button is pressed the set time Each time the Kl button is pressed the set time increases by 10 minutes each time the lt 4 button is increases by 10 minutes each time the lt 4 button is pressed the set time decreases by 10 minutes pressed the set time decreases by 10 minutes To release the ON timer To release the OFF timer Mj Press the button ES 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 CH 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 power is restored WHEN THE AI
35. o shut off the power After reading this manual keep it together with the installation manual in a handy place for easy reference ENCLOSURE Warning positions FRONT PANEL AIR OUTLET This air conditioner is NOT intended for use by children or infirm persons without supervisions A WARNING Do not use intermediate connection of the power supply cord or the extension cord and do not connect many devices to one AC outlet s A fire or an electric shock may result from poor contact poor insulation exceeding the permissible current etc Remove dirt from the power supply plug and securely insert the plug into the outlet e If dirt adheres to the plug or insertion is incomplete it may cause a fire or an electric shock Do not scratch or process the power supply cord etc e Do not put heavy object on the power supply cord and do not scratch or process the cord The cord may be damaged and this may cause a fire or an electric shock Do not turn the breaker off on and or disconnect connect the power supply plug during operation e This may cause a fire due to spark etc e Be sure to turn off the breaker and or disconnect the power supply plug absolutely after switching the indoor unit off with the remote controller Do not expose your skin directly to cool air for a long time e This could damage your health Installation repairs or relocation should not be done by the customer e If this is done incorr
36. sly flows into the indoor unit that does not operate A MITSUBISHI ELECTRIC ON OFF less CLOCK 4 Oo RW Details of display on the indoor unit ES When the set temperature is to be changed J9 The operation indicator at the right side of the indoor unit indicates the operation state e Press the button to lower the temperature One press lowers the temperature by about 1 C we Lighted c5 Blinking Not lighted 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 1 When unit starts the operation with AUTO operation from off 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 1 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 H two or more indoor units are operating in multi system there might be a case that the indoor unit which is operating in E AUTO cannot change over to the other operating mode COOL lt HEAT and becomes a state of standby Refer to the detailed information for multi system air conditioner exp
37. t clicks into place vertical vanes into their respective grooves Groove e Be sure to hold the tabs to install the vertical vanes otherwise the vanes can be damaged e Do not use excessive force to the fan guard during this procedure The fan guard may be deformed and the vanes may not work properly e Put the vertical vanes back correctly to their original positions Otherwise condensed water may drip down from the indoor unit or the horizontal vane could malfunction J Install the horizontal vanes Reverse the removal procedures Lett IMS SHA OS ke NEES Insert this end first In procedure 2 lock the stoppers until they click into place After Cleaning Insert the power supply plug into the power outlet and or turn on the breaker Check that all LED lamps are not blinking If they are blinking the horizontal vane is not installed correctly In this case disconnect the power supply plug and or turn off the breaker and then reinstall the horizontal vane by following the procedures in step E e If you operate the air conditioner after cleaning the air outlet and fan do not get close to the air outlet as any remaining dirt may be discharged BEFORE CONTACTING THE SERVICE REPRE SENTATIVE CHECK THE FOLLOWING AGAIN The air conditioner cannot be operated All LED lamps on the indoor unit are blinking The horizontal v
38. t the plug securely If dirt adheres to the plug or insertion is incomplete it may cause a fire or an electric shock PREPARATION BEFORE OPERATION Remote controller How to set the batteries and the current time D 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 e If the RESET button is not pressed the remote controller may not operate correctly Be sure to press the RESET button not too strongly EJ Press the CLOCK set button Press usinga 4 thin stick Al Press the gt Forward and lt _ Backward buttons TIME SET buttons to set the current time MODE FAN STOP Ie eo ECONO COOL VANE OSTART gt TIME Ca RESET CLOCK CIE e Each time the _ amp button is pressed the set time increases by 1 minute and each time the a but ton is pressed the set time decreases by 1 minute e Pressing those buttons longer increases decreases the set time by 10 minutes EJ Press the CLOCK set button again and close the front lid Handling of the remote controller e The range that the signal can reach is about 6 m when the remote controller is pointed at the front of the indoor unit e When a button is pressed one or two beeps will be heard from the indoor unit If no sound is
39. tauesta stsluacian anneuenn KANAKE EEEN HA ENA wilukAcdatwetieuaneseades 10 CLEANING THE AIR CLEANING FILTER OPTION Seege dEr AE 11 REPLACEMENT OF THE AIR CLEANING FILTER OPTION ege 11 CLEANING THE AIR OUTLET AND FAN OF THE INDOOR UNIT WE 12 BEFORE CONTACTING THE SERVICE REPRESENTATIVE CHECK THE FOLLOWING AGAIN seeren 13 WHEN YOU THINK THAT TROUBLE HAS ele RE 13 INSTALLATION RELOCATION AND INSPECTION siiiiecsmerdetonedienniniive nats cenlinitiiuaisecinecnsiourneiivaenntecr Boll iumdieteneiiinermsnaianihanins 14 SPECIFICATIONS esac asin hte ier i a ae nat ala fae ea we te ll est le Ne ahi is 14 WEEE EE 157 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 Ab WARNING Incorrect handling could cause a serious hazard such as death serious injury etc with a high probability Ab CAUTION Incorrect handling could cause a serious hazard depending on the conditions Meanings of symbols used in this manual Be sure not to do Be sure to follow the instruction Never insert your finger or stick etc Never step onto the indoor outdoor unit and do not put anything on them Danger of electric shock Be careful Be sure to disconnect the power supply plug from the power outlet Geet s Be sure t
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