OPERATING INSTRUCTIONS
Contents
1. G9 A ENCLOSURE SAFETY PRECAUTIONS NAME OF EACH PART A CAUTION Do not operate the unit at low outside temperature less than 14 F in the cooling mode Inthe cooling mode if the unit is operated at low outside temperature less than 14 F water con densed in the air conditioner may drop and wet or damage furniture etc Do not use the unit for special purposes Do not use this air conditioner to preserve precision devices food animals plants and art objects This may cause deterioration of quality etc Do not put a stove etc where they are exposed to direct airflow Air cleaning filter Anti Allergy Enzyme Front panel Filter Blue bellows type This may cause imperfect combustion Air filter Catechin When the unit is to be cleaned switch it off and turn off the breaker 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 turn off the breaker Vertical vane Horizontal vane Otherwise dirt may collect and this may cause a fire Replace the 2 batteries of the remote controller with new ones of same type 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 f liqui2. In DRY operation The temperature control temperature setting cannot be done The room temperature is slightly lowered in this operation mode The details of the display on the indoor unit are explained on page 6 If the air conditioner does not 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 AIR FLOW velocity and direction can be selected as required m To change the AIR FLOW velocity press the button Each time the button is pressed the fan speed is changed in sequence a Low Med High AUTO ahs MITSUBISHI ELECTRIC Use the High notch to cool heat the room more If the operating sound of the air conditioner disturbs your sleep use the Low notch ON OFF mi To change the AIR FLOW blowing direction vertically press the Ca button Each time the button is pressed the angle of the horizontal vane is changed in sequence 1 2 3 gt 4 5 2 SWING gt AUTO MODE FAN STOP SWING OPERATION ECONO COOL VANE OSTAR Use the swing operation for the air flow to reach all corners of the room a J n WIDE VANE Recommended
3. e0e6060606060000000000000000000000000000000000000000000 LY Air cleaning filter If the air cleaning filter is clogged it may lower the units capacity or cause condensation at the air outlet The air cleaning filter is disposable The standard usable term is about 1 year lt Optional parts Optional parts are available from your local dealer Name of parts AIR CLEANING FILTER Anti Allergy Enzyme Filter Parts number MAC 2300FT Please purchase the optional parts MAC 2300FT as a set 2 pcs for the first time use BEFORE CONTACTINGTHE SERVICE REPRE SENTATIVE CHECK THE FOLLOWING AGAIN Question Check points or Remedy The air conditioner cannot be operated Is the breaker turned on Is the fuse blown Is the ON timer set Page 9 The room cannot be cooled or heated sufficiently Is the temperature setting correct Page 7 Are the filters clean Page 10 11 Are there any obstacles blocking the air inlet or outlet of the indoor or outdoor unit 15 a window or door open The air from the indoor unit smells strange Are the filters clean Page 10 11 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 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 applian
4. 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 The sound as burbling is heard 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 drain hose in case the outside wind is strong White smoke is discharged from the outdoor unit In the heating operation vapor generated by the defrosting operation looks like white smoke Air does not blow out soon in the heating operation Please wait as the air conditioner is preparing to blow out warm air The operation is stopped for about 10 minutes in the heating operation 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 Hissing sound is some times heard This is the sound when the flow of refrigerant inside the air conditioner is switched The room cannot be cooled sufficiently 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
5. MITSUBISHI AVM ELECTRIC SPLIT TYPE AIR CONDITIONERS OPERATING INSTRUCTIONS MSZ A24NA Mir SLIM For customers Thank you very much for purchasing this Mitsubishi room air conditioner To use this unit correctly and safely be sure to read this operating instructions before use Keep this manual carefully for later reference Be sure to receive a guarantee card from your dealer and check that the purchased date and shop name etc are entered correctly This air conditioner should not be installed by the customer Safety and performance functions cannot be assured CONTENTS SAFETY PRECAUTION Sirena nonna 2 NAME OF EACH PART D 3 PREPARATION BEFORE OPERATION 4 AUTO CHANGEOVER AUTO MODE OPERATION 6 MANUAL OPERATION COOL DRY HEAT 7 AIR FLOW VELOCITY AND DIRECTION ADJUSTMENT 7 POWERFUL OPERATION 8 ECONO COOL OPERATION 8 9 WHEN THE AIR CONDITIONER IS NOT GOING BE USED FOR ALONG TIME u 9 MAIN TENANCE n 10 CLEANING THE AIR FILTER CATECHIN 10 REPLACEMENT OF THE AIR CLEANING FILTER CLEANING THE AIR CLEANING FILTER BEFORE CONTACTING THE SERVICE REPRESENTATIVE CHECK THE FOLLOWINGIAGAIN S RS u aaa qaa toe insertis 12 WHEN YOU THINK THAT TROUBLE HAS OCCURRED 12 INSTALLATION RELOCATION AND INSPECTION 13 11 11 E
6. 4 but ton is pressed the set time decreases by 1 minute 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 20 ft when the remote controller is pointed at the front of the indoor unit When a button is pressed one or two beeps will be heard from the indoor unit If no sound is heard operate again Usethe remote controller carefully If itis dropped thrown or it gets wet the remote control ler may not operate Since the display on the remote controller is made of liquid crystal glass it may not light up if it is damaged from falling Referto page 12 when the indoor unit does not respond to the remote control signal When installing on a wall etc Install the remote controller holder in a position where the signal reception sound beep can be heard from ONOFF 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 control ler holder Dry cell batteries W 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 b
7. According to the capacity two or more units can operate simultaneously 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 Operation Indicator lamp below 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 continuously flows into the indoor unit that does not operate Details of display on the indoor unit Operation Indicator e The operation indicator at the right side of the indoor unit indicates the operation state Lighted Blinking Notlighted adie Operation indicator lamp Difference between target Indication Operation state temperature and room temperature This shows that the air conditioner is operating to reach the Je ee target temperature Please wait until the target temperature About 4 or more is obtained This shows that the
8. This sound is generated by the expansion con traction of the front panel etc due to change in temperature The air from the indoor unit smells strange The air conditioner may suck in an odor adher ing to the wall carpet furniture cloth etc and blow it out with the air 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 When the outside temperature is low the fan may not operate to maintain sufficient cooling capac ity The air flow direction changes during operation The direction of the hori zontal vane cannot be ad justed with the remote con troller 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 horizontal 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 Water leaks from the out door unit 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 The sound of water flowing is heard
9. and center of the top of the indoor unit until they click into place Then close the front panel Bess Keep the front panel level and insert the hinges into the notches Do not step onto an unstable bench when maintaining the unit etc This may cause an injury etc if you fall down CLEANING THE AIR FILTER CATECHIN Do not open the front panel up past the level position The panel may come off in order to prevent it from being damaged Cleaning the air filter about once every 2 weeks Remove the air filter After washing with water lukewarm water dry the air filter well in the shade e Donotexpose the air filter to direct sunlight or heat Open the front PME panel then from a fire when drying it remove replace the filter Remove NY Air filter N CAUTION When the air filter is to be removed do not touch the metal parts of the indoor unit This may cause an injury Remove dirt from the air filter using a vacuum cleaner or by washing the filter with water fthe dirt is noticeable wash the filter with a solu tion of mild detergent diluted in lukewarm water f hot water 120 F or more is used the filter may be deformed r 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 aceta
10. is pressed the set time decreases by 10 minutes CTo release the OFF timer B Press the e o button 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 W mark indicates the order of timer operations f the current time has not been set the timer operation cannot be used NOTE WHEN THE AIR CONDITIONER IS NOT GOING TO BE USED FOR A LONG TIME When it is not going to be used for a long 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 To perform FAN operation set the remote controller to the highest temperature in the MANUAL COOL mode Refer to page 7 N CAUTION Turn off the breaker when the air conditioner is not go ing to be used for a long time Dirt may collect and this may cause a fire Turn off the breaker Remove the batteries from the remote con troller N CAUTION To prevent liquid leakage take out all batteries when the 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 Checkthat the ground is connected correctly N CAUTION Ground the unit Do not connect the ground to a gas pipe water pipe light ning
11. 4 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 lt 3 AUTO cannot change over to the other operating mode COOL 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 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 If the unit was in the emergency operation before the shutoff of the main power it will start operation when main power comes on in the same mode as the one set with the remote controller before the emergency operation If the unit is operated in gy 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
12. OOL operation is released FAN m R The s jbutton the or button and ON OFF timer explained below are available Swing air flow change of air flow makes you feel cooler than constant air flow So even though the set temperature is automatically set 4 F 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 to set the ON timer Press the esr button during operation Each time the button is pressed the ON timer mode alternates between ON and OFF Set the time of the timer using the TIME but tons gt J Forward lt J Backward Each time the 9 button is pressed the set time increases by 10 minutes each time the lt button is pressed the set time decreases by 10 minutes To release the ON timer m Press the A button Programming timer operation How to set the OFF timer Press the button during operation 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 tons gt Forward and Backward Each time the button is pressed the set time in creases by 10 minutes each time the lt button
13. ORATION HEAD OFFICE TOKYO BLDG 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN SG79Y640H01
14. ces being pressed When a power failure oc curs 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 When water leaks or drops from the indoor unit When the left operation indicator lamp blinks When the breaker trips frequently 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 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 When thunder is heard stop operation and turn off the breaker Otherwise the electrical parts may be damaged WHEN YOU THINK THAT TROUBLE HAS OCCURRED Question Answer not a malfunction The air conditioner cannot be operated for about 3 min utes when restarted This protects the air conditioner according to in structions from the microprocessor Please wait Cracking sound is heard
15. ction 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 Breaker for the air conditioner Turn the breaker on PREPARATION BEFORE OPERATION Remote controller CHow to setthe 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 Press using a thin stick e Ifthe RESET button is not pressed the remote con troller may not operate correctly Press the CLOCK set button Press using a 4 thin stick Press the Forward and Back ward putiane TIME SET aneian to set the current time MODE FAN STOP Cs o ECONOCOOL VANE OSTART WIDE VANE POWERFUL TIME MIG RESET CLOCK Each time the gt button is pressed the set time increases by 1 minute and each time the
16. d 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 a Operation section Display section N e oxygen shortage may occur Do not operate switches with wet hands When ihe front panel ls opened Operation This may cause an electric shock Indicator lamp 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 This may cause an injury etc if you or something falls down For installation A WARNING 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 Outd T shock injury or water leaking Outdoor unit oor uni Do not install the unit where flammable gas could leak If gas leaks and collects around the unit it may cause an explosion A CAUTION Air intet back and side Ground the unit Do not connect the ground to a gas pipe water pipe lightning rod or the ground of a telephone If the grounding is incorrect it may cause an electric shock Install a Ground Fault Interrupt GFI circuit breaker depending on the place where the air condi tioner is to be installed humid places e
17. e operation mode is changed in sequence ON OFF wA CD COOL fy AUTO 5 x COOL gt DRY HEAT The set temperature is also displayed on the remote controller To stop operation ONOFF E Press the button ECONOCOOL VANE START After the operation mode is set once the operation starts in the same mode as the one set previously from the next time by simply pressing the button WIDE VANE POWERFUL TIME RESET CLOCK When the set temperature is to be changed Press the 9 button to lower the temperature One press lowers the temperature by about 1 F p Press the button to raise the temperature One press raises the temperature by about 1 F Description of AUTO CHANGEOVER 1 Initial mode D 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 f the room temperature is equal to or lower than the set temperature operation starts in HEAT mode 2 Mode change D COOL mode changes to HEAT mode when about 15 minutes have passed with the room temperature 4 degrees below the set temperature HEAT mode changes to COOL mode when about 15 minutes have passed with the room temperature
18. effect may not be sufficient Mist is discharged from the air outlet of the indoor unit The cool air from the air conditioner rapidly cools moisture in the air inside the room and it turns into mist The room cannot be heated sufficiently When the outside air temperature is low the heating effect may not be sufficient The swing operation of the VERTICAL VANE is sus pended for about 15 sec onds then restarted This is for the swing operation of the VERTICAL VANE to be performed normally Mechanical sound is heard from the indoor unit This is the switching sound in turning on off the fan or the compressor The swing operation of the HORIZONTAL VANE is sus pended for about 15 sec onds then restarted This is for the swing operation of the HORIZON TAL VANE to be performed normally In a multi unit system the indoor unit which is not op erating becomes warm and a sound similar to water flowing is heard from the unit A small amount of refrigerant continues to flow into the indoor unit even though it is not operat ing The air conditioner starts the operation only with the main power turned on though you do not operate the unit with the remote controller 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 on again the air condi tioner will start
19. es 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 Provide an exclusive circuit for the power supply of the air conditioner Be sure to observe the breaker capacity Use the correct power voltage and frequency indicated on the unit to operate the air conditioner and use only fuses or breakers with specified capacity Do not use pieces of wire instead of fuses WARNING 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 The unit should be installed by licensed contractor according to local code requirements Z CAUTION Ground the unit Do not connect the ground to a gas pipe water pipe ligh
20. gt 2 W DR 9 SWING gt FR gt Grr SWING OPERATION Use the swing operation for the air flow to reach all corners of the room NOTE Adjust the horizontal AIR FLOW direction using the re Horizontal AIR FLOW blowing range mote controller If the VERTICAL VANE is moved manu ally it may cause trouble About 100 About 150 MITSUBISHI ELECTRIC ON OFF Au GOL MODE FAN STOP ECONO COOL VANE OSTAR gt WIDE VANE gt POWERFUL TIME EL RESET CLOCK E POWERFUL OPERATION Use this operation when you want to cool heat your room within a short time period Perform the following operations while the unit is operat ing in the MANUAL COOL HEAT mode POWERFUL E Press the j button The air conditioner automatically adjusts the fan speed and the set tempera ture and operates the POWERFUL mode The POWERFUL mode is automati cally released 15 minutes after operation starts and the operation mode re turns to the mode prior to POWERFUL operation POWERFUL mode Position of Fan speed P horizontal vane POWERFUL high Exclusive for POWERFUL mode When the position of the horizontal vane is set to AUTO during cooling operation the air is blown downward Set position To release the POWERFUL mode before it is released aut
21. horizontal vane range for more ef gt ficient air conditioning POWERFUL TIME Use the AUTO position usually lt Use position 1 2 inthe COOL or DRY mode and use positions 3 to 5 in the HEAT mode when adjusting to your requirements RESET CLOCK In the cooling operation when the air conditioner is operated with setting the horizontal vane to 4 5 for 1 hour the AIR FLOW direction is automatically set to horizontal to prevent condensed water from dropping Adjust the vertical AIR FLOW direction using the remote controller Moving the horziontal vanes manually can cause trouble In the heating operation if the air flow temperature is too low or when defrosting is being done the horizontal vane position is setto 1 Auto air flow direction control operation When the AUTO mode is selected with the E button the position of the horizontal vane is automatically set to correspond to the operation mode for effective operation 1 HEAT When the air flow temperature is too low the air is blown out horizontally When the air flow temperature rises the air is blown out downwards 2 COOL DRY The air is blown out horizontally B To change the AIR FLOW blowing direction horizontally press the ums button Each time the button is pressed the angle of the VERTICAL VANE is changed in sequence LAS gt ER
22. ldehyde Moreover it restraints the activity of the viruses adhering to the filter REPLACEMENT OF THE AIR CLEANING FILTER CLEANING THE AIR CLEANING FILTER 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 Air cleaning filter replacement D About once every year D Remove the air filter Soak the filter together with its frame in luke warm water and wash it Remove the air filter Install a new air cleaning filter E If the dirt is noticeable use a solution of mild deter gent diluted in lukewarm water W If hot water 120 F or more is used the filter may be deformed W Do not use a scrubbing brush or sponge This may damage the surface of the filter Remove the air cleaning filter blue bellows W Do not use a chlorine detergent SS 7 ON Air filter SON Install the air filter and securely close the t front panel Remove the air cleaning filter blue bellows type EmN Tma ANAA WANA 7 4 After rinsing with water lukewarm water Air cleaning filter shake off the excess water and dry the filter well in the shade W Do not expose the filter to direct sunlight or heat from a fire when drying it Air cleaning filter
23. nglish SAFETY PRECAUTIONS Since rotating parts and parts which could cause an electric shock are used in this product be sure to read This air conditioner is NOT intended for use by children or infirm persons without supervisions these Safety Precautions before use Z WARNING Since the cautionary items shown here are important for safety be sure to observe them Stop using the air conditioner and consult your dealer in case any trouble or abnormality occurs 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 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 during operation This may cause a fire due to spark etc Be sure to turn off the breaker absolutely after switching the indoor unit off with the remote controller Do not expose your skin directly to cool air for a long time Be sure to follow the instruction This could damage your health Installation repairs or relocation should not be done by the customer If this is done incorrectly it may cause a fire an electric shock or injury from the unit falling water Ne
24. o matically POWERFUL T 1 button again POWERFUL mode is also released in the following ways ONOFF e By pressing the button FAN By pressing the s J button ECONO COOL pressing the gt button By setting the ON timer m The and 2 buttons are not available during the POWERFUL operation a The button is available an ECONO COOL OPERATION Use this operation when you want to be comfortable in COOL mode even with energy saved aa MITSUBISHI ELECTRIC ON OFF wA CD GOL MODE FAN STOP s ECONO COOL VANE OSTAR a WIDE VANE gt POWERFUL TIME RESET CLOCK EJ NEG r What is ECONO COOL Perform the following operations while the unit is operat ing in the MANUAL COOL mode ECONO COOL F Press the button When the ECONO COOL operation is selected in COOL mode the air conditioner performs swing operation in various cycle according to the tem perature of air conditioner Also SET TEMPERATURE is automatically set 4 F higher than in COOL mode To release the ECONO COOL operation mI Press the TI button again e When the button or the button is pressed or the operation mode is changed during the ECONO COOL operation ECONO C
25. operation automatically in the same mode as the one set with the remote con troller just before the shutoff of the main power INSTALLATION RELOCATION AND INSPECTION N The installation location of the outdoor unit should be at least 10 ft away from the antennas for TV sets radios etc In areas where the reception is weak provide greater space between the outdoor unit and the antenna of the affected device if op eration of the air conditioner interferes with radio or TV recep tion Installation place Avoid installing the air conditioner in the following places Where flammable gas could leak N CAUTION m i Do not install the unit where flammable gas could leak of a fluorescent lamp wall etc Jet keep as far apart as lt gt If gas leaks and collects around the unit it may cause possible Well ventilated dry place an explosion Keep a space Where there is much machine oil io prevent tie Salty places such as the seaside Sis Where sulfide gas is generated such as a hot spring the noise Where oil is splashed or where the area is filled with ai pa Codes oily smoke P phone or Where there is high frequency or wireless equipment be 2 Sj The required space depends on the type of outdoor unit 20 in or more N WARNING If the air conditioner operat
26. rod or the ground of a telephone If the grounding is incorrect it may cause an electric shock 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 remote controller is not going to be used for a long time MAINTENANCE Before starting maintenance Cleaning the indoor unit D B Turn off the breaker ej Clean the unit using a soft dry cloth eo fthe dirt is noticeable wipe the unit with a cloth soaked in a solution of mild detergent diluted in luke N CAUTION warm water When the unit is to be cleaned switch it off and turn off Donotuse gasoline benzine thinner polishing pow the breaker Since the fan rotates at high speed during der or insecticide The unit may be damaged operation it may cause an injury A CAUTION Do not open the front panel up past the level position The panel may come off in order to prevent it from being damaged The front panel may also come off if the upper part of the front panel is pulled down Do not exceed Movable range E If the front panel comes off attach it as explained below Keeping the front panel level with one hand insert the hinges one by one with the other hand into the notches at the left right
27. room temperature is approaching the About 4 F or less target temperature This shows a state of standby for operation Please refer to Information for multi system air conditioner above MANUAL OPERATION COOL DRY HEAT To select the COOL DRY or HEAT mode Press the button ats MITSUBISHI ELECTRIC MODE Select the operation mode by pressing the button Each time this button is pressed the operation mode is changed in sequence y AUTO 2 COOL DRY HEAT ON OFF WARM SCL stop operation ON OFF MODE FAN STOP Press the button After the operation mode is set once the operation starts in the same mode as ECONO COOL VANE OSTAR rr WIDE VANE gt POWERFUL TIME RESET CLOCK E the one set previously from the next time by simply pressing the button E When the sa temperature is to be changed e Press the button to lower the temperature One press lowers the temperature by about 1 F Press the button to raise the temperature press raises the temperature by about 1 F In COOL operation 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
28. ry Do not touch the air inlet or aluminum fin of the outdoor unit AIR OUTLET This may cause an injury Do not put a vase or glass on the indoor unit Water dropping into the indoor unit may deteriorate the insulation causing electric shock Do not use an insecticide or flammable spray 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 This could injure the pet or plant Do not place other electric appliances or furniture under the indoor outdoor unit Water may drip down from the unit and this may cause damage or malfunction to them Do not leave the unit on an installation stand which is damaged The unit may fall and this may cause an injury Do not step onto an unstable bench when maintaining the unit etc This may cause an injury etc if you fall down Do not pull the power supply cord 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 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 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
29. 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 Set temperature 75 F 15 F Fan speed Medium Medium Horizontal vane Auto Auto Vertical vane Front Front The operation mode is indicated by the Operation Indicator lamp on the indoor unit as following fig ure Operation Indicator lamp EMERGENCY COOL EMERGENCY HEAT STOP gt x Operation Indicator Operation Indicator Operation Indicator 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 14 F To select the AUTO mode PCI MEE UE IM ate MITSUBISHI ELECTRIC Press the button MODE Select the AUTO mode by pressing the button Each time this button is pressed th
30. tc Ifthe Ground Fault Interrupt GFI circuit breaker is not installed it may cause an electric shock Drain should be fully drained Ifthe drainage route is incomplete water may drop from the unit This may wet and damage the furniture Remote controller EE Emergency operation switch 0 0 Operation Indicator Piping Drainage hose Air outlet Drain outlet IU Signal transmitting section Operation display section ON OFF operate stop button ON OFF 199100499 Temperature buttons Open the front lid NOTE Use the remote controller provided with the unit only Do not use other remote controller This diagram shows an overall view il Ciccio Me EH a 28 80 ON OFF ARM CD COOL E o VANE button Horizontal vane button Fan speed control button Off timer button On timer button TIME set buttons Forward button Backward button CLOCK set button FAN STOP a gt Operation select button ECONO COOL button WIDE VANE button Vertical vane button POWERFUL button RESET button PREPARATION BEFORE OPERATION B These models are equipped with an auto restart fun
31. tning rod or the ground of a telephone If the grounding is incorrect it may cause an electric shock If the air conditioner is installed in a high humidity area or near a water source a Ground Fault Interrupt GFI circuit breaker should be installed to protect against an electric shock Inspection and maintenance When the air conditioner is used for several seasons the capacity may be lowered due to dirt inside the unit Depending on the condition an odor may be generated or dehumidified water may not drain out smoothly due to dirt dust etc 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 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 A 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 To dispose of this product consult your dealer If you have any questions consult your dealer s MITSUBISHI ELECTRIC CORP
32. utton of the remote controller is pressed all displays appear on the screen and then disappear im mediately 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 N 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 Donotuse rechargeable batteries Replacethe 2 batteries with new ones of the same type 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 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 operate in test run for 30 minutes and then the operation mode
33. ver step onto the indoor outdoor unit and do not put anything on them leaking etc Consult your dealer fthe power supply cord is damaged it must be replaced by the manufacturer or its service agent in order to avoid a hazard Marks and their meanings N WARNING Incorrect handling could cause a serious hazard such as death serious injury etc with a high prob ability N CAUTION Incorrect handling could cause a serious hazard depending on the conditions Meanings of symbols used in this manual Be sure not to do Never insert your finger or stick etc Danger of electric shock Be careful epeoeo Be sure to shut off the power Do not insert your finger or a stick etc into the air inlet outlet Since the fan rotates at high speed this may cause an injury After reading this manual keep it together with the installation manual in a handy place for easy reference 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 turn off the breaker Warning positions Ifthe unit continues to be operated in an abnormal condition it may cause a fire trouble etc In this case consult your dealer FRONT PANEL ENCLOSURE A CAUTION When the air filter is to be removed do not touch the metal parts of the indoor unit AN This may cause an inju
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