Mitsubishi FDCJ280HKXE2B User`s manual
Contents
1. Compressor Inside of Pi unit ay 208 258 308 408 508 Air inlet oa unit Air outlet Air outlet 808 1008 306 Air outlet Air inlet Air inlet 22 Air outlet gt Compressor Inside of Air outlet 406 506 Compressor Inside of unit Air inlet Compressor Inside of unit Air outlet Compressor Inside of unit CONTROLS AND FUNCTION OPERATION PROCEDURE The illustration below shows the status that the cover is open The liquid crystal display area indicates the full Request To protect the compressor at the time of starting turn on the power supply switch 12 hours before starting run contents of display for explanation Moreover keep the power switch on in the season Pull the knob towards you to open the cover downward A CAUTION Press the ON OFF switch AUTO SWING switch are not equipped for FDR FDU FDUM FDFL series The air conditioner starts operating 2 al To select an operation mode Filter sign Operation mode display Press mode switch to change to AUTO When this display is indicated The selected operation mode is gt DRY gt COOL gt FAN gt HEAT clean the air filter indi2. Note 1 Only one corrugated filter is used for FDR208 308 models FDFL Series 1 Slide the suction grill lever toward the arrow direction 2 Pull out the air filter toward the up side and open this side Air filter 1 Clean the air filter by tapping it or with a vacumm cleaner It is better to clean it with water If the air filter is very dirty dissolve some neutral detergent in the lukewarm water approx 30 C rinse the filter and wash out the detergent thoroughly in clear water After drying the air filter set it up on the air conditioner and press the FILTER RESET switch A CAUTION Do not dry the air filter with fire Do not run the air conditioner without the air filter Care and Cleaning of the unit Clean with soft and dry cloth If it is very dirty dissolve a neutral detergent in lukewarm water and use this for dampening the cloth When you have finished wiping remove the detergent with clean water At the end of the season Operate the unit for half a day in FAN mode in fair weather to dry the inside properly Stop the unit and turn off the power switch Even when the air conditioner has been stopped it still uses electricity Clean the air filter and re install it At the beginning of the season Remove any objects that may obstruct the air inlet and outlet of both the indoor and outdoor units Ensure that the air filter is clean Switch on the power switch 12 hours before you start
3. f as Observe instructions with ws When you have read the instruction manual please keep it near at hand for consultation If someone else takes over as operator make certain that the manual is also passed on to the new operator E INSTALLATION PRECAUTIONS A DANGER The system should be applied to places as office restaurant residence and the like Application to inferior environment such as an engineering shop could cause equipment malfunction and serious injury or death If you need optional devices such as a humidifier electric heater etc use only products which have been recom mended by us These devices muts be installed by a profes sional electrician It is not advisable to install it by yourself as faulty handling may cause leakage of water electric shock or fire professional your dealer caused A CAUTION The system must be installed by your dealer or a qualified It is not advisable to install the system yourself as faulty handling may cause leakage of water electric shock or fire When installing in a small room make sure to take counter measures against refrigerant leakage the leaking refrigerant density shall not exceed the limit value Regarding counter measures to prevent the excess leakage please consult with If the refrigerant leaks and exceeds the limit density value hypoxia could be Do not install near places where inflamm able gas
4. F air conditioner Press switch once to F Page 6 pm LICE LAC Lo c Ei ml i CeNTeR RemoTe AEE AUTODRYCOOLFANHEAT HOT Time display m run and press it again to stop Setting temperature display I The switch can be operated without This display indicates the setting fi opening the cover temperature FILTER Press the ON OFF switch Blow rate display The fan speed set is displayed Return air temperature display The temperature of return air is The Operation mode temperature setting and blow rate can be changed during the operation stop as well When they are operated during stop the corresponding display area is indicated for several seconds indicated After several seconds since the remote controller is operated the setting of air conditioner unit changes Filter reset switch al D To operate the air conditioner every day with repetition of run stop under the same conditions operation mode set tempera This SWN TESES etases Ihe Mer aign The indicated temperature value ture blow rate and auto swing step 1 ON OFF alone is sufficient display Sa l may be different from the indication The condition previously set is displayed on the remote controller Prea Wis SwitCiatter escaping oF of thermometer etc but this is not Quiet mode or a maximum performance mode on the FDT series can be set with dip switches on the circuit board of the indoor Pern eee Sa abnormal
5. control unit Factory settings differ depending on model Auto swing display The state of the swing flap is Cover displayed Avoid frequent operation of ON and OFF Do not use something with a sharp tip to press the remote controller switch Check switch Mode switch bit e During raising and lowering of the setting temperature by pressing the temperature setting switch the This switch is used for service This switch makes selection of the i baad eee operation of unit may stop This is caused from the activation of temperature controller and is not a operation mode Auto swing switch maliungug l eae a PA Activates and stops the swing flap The air blow rate in the Se uialicaon operation repeats weak stop a proportion to the room tem Timer switch CF See page 6 perature automatically The adjustment by the blow rate switch is impossible This switch is used to select the content of timer When switching on the power and running the unit for the first time a temperature of 23 C and the air Meek hata operation F See page 5 flow volume are displayed in the remote control and operation begins at those auto run exclusive cooler in operation BIOW rate switch unit cooling settings Please set the run mode and temperature at a the desired levels The fan speed is switched i i Inthe case of automatic operation the cooling and heating operation are changed over automatically in proportion
6. switch and press the AUTO SWING switch el The swing flap swings vertically in continuation with the display changing Bele This display changes The movement of the swing flap is not identical to the movement displayed continuously To fix the flap in a desired position Blow out position Observing the display of the auto swing press the AUTO SWING switch when recommendation STIP a desired position is displayed When fixed The display of the auto swing will stop at the position and then the swing flap will stop swinging and be fixed yl If air filter is clogged The cooling effect is reduced which Though the display of the auto swing stops immediately after the switch aa results in excessive use of electricity Suitable It may cause malfunctioning oC C amp emperature Water may drip when in cooling U mode operation s Excessive cooling is not healthy and wastes electricity is pressed the swing flap will stop later This is not a malfunction Avoid direct sunlight and draughts Adjust the air flow direction properly Use the circulator if you feel coolness around your feet during the heating operation Operation of swing flap during the heating preparation cycle o When the mESSage HOT KEEP is shown on the display the swing flap adjusts Cut out direct sunlight by drawing the curtains Avoid facing the cool air for any length of time I
7. there is no other choice consult your dealer e A place generating corrosive gases spa area etc A place exposed to sea breeze seaside etc A place exposed to dense soot or smoke A place with excessively high humidity A place near equipment radiating electro magnetic waves A place with excessively wide voltage variation FOR PREPARATION OF HEATING HOT KEEP For the following cases HOT KEEP is displayed on the indication board Consult your dealer for details Electrical works The electrical works must be burden on the authorized engineer with qualification for electrical works and ground ing work and the work must be conducted in accordance with electric equipment technical standard E The power source for the unit is to be of exclusive use E An earth leakage breaker should be installed This is necessary to prevent electric shock blow to prevent E The unit must be grounded blowing out of cool E Is the remote control switch properly installed wind Incase of open wiring is it fixed by the attached screw Is the remote control cord fixed by the attached remote control clamp Is it installed at the height where children can not reach For inspection and maintenance When heating is started In order to prevent blowing out of cool wind the indoor unit fan is stopped according to the room temperature which heating operation is started Wait for approx 2 to 7 is displayed a micro m
8. TRANSFER OR REPAIR A DANGER Modification of the system is strictly prohibited Consult your dealer for repairs to the system Wrong repairs could cause an electric shock fire etc If the air conditioner is moved elsewhere contact your dealer or a professional fitter Faulty installation may cause water leakage electric shock fire etc STRUCTURE AND COMPONENTS Indoor unit FDT Series Swing flap Cool or warm air is blown through the flap e Wind direction is adjusted with the flap Suction grille Inhales air in the room Remote control Controls the operation of air Air filter conditioner Removes dust or dirt from inhaled air Provided in suction panel FDR Series Duct Silent panel Suction panel Canvas panel Inhales air in the room Air filter Removes dust or dirt from inhaled air Provided in suction panel FDU Series Air outlet Duct Duct Drain pipe Air inlet Remarks Indoor units is installed on the back side of ceiling etc and cold hot air will flow through the duct FDUM Series Air blow Duct Duct Air inhaling FDFL Series Discharge grill Louver Remote control Louver knob Knob to change blowout air direction Provided at two places of right and left under the cover Suction grille Air filter Outdoor Unit FDC Series 206 256 Air inlet Air inlet
9. remote control is necessary for the following items 1 Timer setting It has been cancelled 2 Auto swing for the remote control equipped with this function It is stopped at the horizontal position WwW The unit switches to FAN mode during The mist sometimes switches automatically to FAN mode to prevent cooling accumulation of frosty film on the indoor unit heat exchanger It will soon revert to cooling mode Blower of indoor unit does not stop even In order to cool down the remaining heat on the auxiliary heater the blower 5 if the operation is stopped during may operate continuously for about 40 seconds after the unit is stopped Do When the power failure compensation is set to valid ensure to turn off the power switch after stopping the operation heating cycle not turn off the power supply switch before the blower stops If the power switch is turned off during the operation mode the blower of the indoor unit begins to rotate at the same time when the power switch is turned on In addition the outdoor unit begins to operate after about 3 minutes You can not restart the air Even if you switch on you cannot use AER of the power switch on conditioner immediately after cooling dehumidifying or heating for three me you have stopped it minutes after the air conditioner has Ge ane stopped as a result of the protection timer Cee start AS being activated eee el FOR TEMPERATURE SETTING FIXATION Air
10. ING PROCEDURE cciccccrcccsntitecccenunenivuiaisacesshisgenucaatuducadavepantvneiedescadsenbeiieble ADJUSTMENT OF AIR FLOW COMFORTABLE USE seen MAINTENANCE oseese TROUBLESHOOTING cee POR POWER FAILURE COMPENSATION oi cieisrcicedaitennissncenrceadevricentiaisaaveauidasioesdainiesausiiiadeiusyniedite FOR TEMPERATURE SETTING FIXATION sicinucincrcanannitune ctoreapecedestoieemnaniianduunianslaisiausedtiabnmaiesenyactes WHEN THE CHECK INDICATION LAMP RED FLICKERS eneen WHEN FILTER SIGN IS INDICATED FOR PREPARATION OF HEATING HOT KEEP iiscecscaitsvassicaiiuaitncansiina denudsld secginiisvaca mui tnadeesnatatuiiieiads HAS THE UNIT BEEN INSTALLED CORRECTLY asisutccsiceissnten na vicacvaciedbntn nitndscsnvendurdaeidisedsucnusncatuiiieets 9 SAFETY PRECAUTIONS e Before starting to use the system read these SAFETY PRECAUTIONS carefully to ensure proper operation of the system e The safety precautions are classified as A DANGER and A CAUTION Precautions as shown in the column A DANGER indicate that improper handling could have dramatic consequences like death serious injury etc Nevertheless even precautions as shown in the column A CAUTION might pose a serious problem depending on the circumstances Please observe these precautions with great care since they are essential to your safety Symbols which appear frequently in the text have the following meaning
11. USER S MANUAL MITSUBISHI DAIYA PACKAGED AIR CONDITIONER FDT SERIES FDR SERIES FDT208 FDR208 FDT258 FDR258 FDT308 FDR308 FDT408 FDR408 FDT508 FDR508 CE This air conditioner complies with EMC Directive 89 336 EEC LV Directive 73 23 EEC CE marking is applicable to the area of 50 Hz power supply Above models are effective for 220 240 V 50 Hz and 220 V 60 Hz power supply FDU SERIES FDU308 FDU408 FDU508 FDU808 FDU1008 FDUM SERIES FDFL SERIES FDUM308 FDFL258 FDUM408 FDFL3808 FDUM508 PSA012B621 AA Thank you for purchasing a Mitsubishi Daiya Air Conditioner To ensure satisfactory operation for many years to come this Owner s Manual should be read carefully before using your air conditioner After reading store it in a safe place Please refer to the manual for questions on use or in the event that any irregularities occur This instruction manual contains the explanation of the heat pump air conditioner That of cooling only air conditioner shall be referred to the same explanation with neglecting the information on heating operation mode TABLE OF CONTENTS SAFETY PRECAUTIONS STRUCTURE AND COMPONENTS CONTROLS AND FUNCTION OPERATION PROCEDURE PRESENT TIME SETTING PROCEDURE cesta ceva we erat als Sac cae eee cin elven ON OFF TIMER SETTING PROCEDURE scicitincvervisistunumoetusiivevsdaniaticvivasveddvdsdiondihdususdvadaeutdvniweteiedetds PROGRAM TIMER SETT
12. an approved fuse is strictly forbidden as it may cause a breakdown or fire Do not operate the system while the exhaust grille has been removed This may cause injury Do not use boiling kettles or the like near the indoor unit or the remote control If the system is operated near steam generating equipment condensed water may drip during the cooling operation or a short circuit may occur SAFETY PRECAUTIONS A CAUTION Do not pull the remote controller s wire If the core wire is disconnected it could cause a short circuit After a long period of use check the unit s support structure from time to time If you don t repair any damage straightway the unit may fall down and cause personal injury Do not put water containers on the unit such as a flower vase etc If water gets into the unit the electrical insulation will be deteriorated which could cause electric shock When you clean the system stop the unit and turn off the power switch Never clean the unit while the internal fan is rotating at high speed If you operate the system together with a combustion appliance you must regularly ventilate the indoor air Insufficient ventilation may cause accidents due to oxygen deficiency When using a stepladder etc to install or remove the air filter make sure to fix it properly If the unit drops down or stumbles over it could cause an injury i PRECAUTIONS FOR
13. cated The AUTO and HEAT settings are not CF See page 6 and 7 included with exclusive cooler units Remote display This display to NSleated when the unit is controlled by Preparation of heating the formal individual r motg controller p HOT KEEP display The indication remains intact while the air conditioner F See page 9 is stopped too Press the ROOM TEMP switch Press or XZ to set the room temperature Press the FAN SPEED switch Center display This display is indicated when the unit Fan speed varies in the following sequence is controlled by the center console that Operation check indication lamp Standard of room temp setting HI lt i LO l l is sold separately i operation Green e T EEN ae In dehumidifying run fan speed is automatically set Timer operation display l l Dehumidification 21 to 24 C 7 a This display indicates the content of ee eee aa Gror cecuitod Reailaimp Heating cceccesesesseeseeeeeee 22 to 24 C Press the AUTO SWING switch timer operation uE Air DIOWING 0eseeeeeeeee Room temp set is not necessary Effective stop position The indication remains intact while For AUTO Medium the air conditioner is stopped too f For COOL DRY Horizontal PROGRAMTIMER FAN ONOFF Swie For HEATING Downward indoor unit No display a E SET TEMPI aT This switch performs run stop of the aw orci ED
14. ck the following points for safe and comfortable use of your air conditioner Installation is the dealer s responsibility do not attempt to do it yourself When the accumulated operation hour reaches 360 hours the filter sign is Suitable installation position abe METSUBISH indicated to inform the cleaning time of air filter a S es ey Don t install the air conditioner near Install the unit in a well ventilated Install the air conditioner on a firm me E When the filter sign is indicated clean the air filter a place where inflammable gas may place foundation that can well support its See page 7 leak weight Any obstacles may reduce the capacity or in If you don t this may cause vibration or noise crease the noise This may cause an explosion ignition After the cleaning is finished press the reset switch of the filter to make the filter sign no indication The accumulated operation time is reset FILTER A FAN reser TIMER TEMP SPEED MODE TIME check SET Vv SWING Select a place where the neighbors are not inconvenienced by hot air or the noise You must take snow protection measures if the outside unit is blocked by snow It is advisable not to install the air conditioner in one of the following places as this may cause malfunction ing If however
15. does not blow or the fan speed can During the dehumidifying operation the blower is operated in the weak not be changed during dehumidifying blowing mode or stopped alternately in order to prevent an excessive cooling or rising of humidity WH The swing flap operates by itself When the power switch is turned on the auto swing is repeated twice It is not a trouble Moreover it is automatically brought into the horizontal The temperature setting can be fixed by the following operation After the fixation the temperature change by the In the case of FDT position in the HOT KEEP temperature setting switch on the remote controller becomes impossible Water or steam generates from the This results when frost accumulated on the outdoor unit is removed outdoor unit during heating During defrosting operation The blower in the outdoor unit does not In the defrosting operation or the heating operation at high outside rotate during operation temperature the function to stop the blower is activated On the con trary the function that automatically controls the number of blower operates at low atmospheric temperature A WARNING When the air conditioner is stopped Press ON OFF switch to make the air conditioner in Opera tion mode A MITSUBISHI HEAVY INDUSTRIES LTD REMOTE There is a danger that the blower suddenly begins to rotate even if it is A Press the temperature setting switen
16. elease the setting Refer to the above item ON OFF TIMER SETTING PROCEDURE 5 FDFL Series Gaver To turn the wind direction in the upward or forward direction turn by hands the A DJ U STM E NT O f Al R E LOW louver knobs provided at both sides at the blow air exit on the indoor unit z Louver knob A A FDT Series 1 Open the covers provided at both sides of the blow air exit on the indoor unit Swing flap The swing flap swings vertically by the AUTO SWING switch i NOTICE 1 Following adjustment is not effective where the Blow air exit B panel is not equipped with the auto swing mecha Louver is provided inside Refrain from pressing the cover backward too strongly nism It is adjusted manually instead Louver knob Cover may be broken Upward 2 Turn the louver knobs to the Upward or Forward posi t plow tion Turning it to the Upward position directs the air blow upward or if it is turned to Forward position the air blow is directed Forward forward blow Vertical adjustment The louver knob is provided at each side so that it can be set at a the Upward or Forward position separately from the other OW 3 Install the cover as it was Forward blow Louver knob COMFORTABLE USE Clean the air filter periodically Set a suitable room temperature When cooling or heating season is over clean the air filter To swing the flap Press the ON OFF
17. f you feel cold around your feet because of the height Z 5 automatically in the horizontal position or blinds when cooling Keep windows and Furthermore take care not to aim the airflow di of the ceiling we recommend you use a circulator When the heating preparation is over and the normal operation starts the swing doors shut except when ventilating rectly at small animals or plants For details please consult your dealer J olizontal flap returns to the setting position position a cos the temperature and humidity within the following ranges Indoor temperature Outdoor temperature Indoor humidity fe ee Cooling and Approx 21 to 32 C Approx 10 to 43 C Approx 80 and less dehumidifying Type 6 Type 208 258 Type 6 HEN model Type 208 258 HENS If the air conditioner is operated in operation Approx 18 to 32 C CEN CEP models very humid surroundings for a long Type 308 408 508 808 1008 Approx 5 to 48 C time the unit s surface may get If you use the air conditioner at 21 C Type 208 258 HENSA Type 308 408 508 808 1008 damp and some water may drip or or less for a long time the unit may Approx 10 to 54 C some watery mist may escape from frost up and cooling dehumidifying Type 6 HES model Type 6 model for cooling only the air outlet operations may become impossible Setting position is Request Do not move the flap forcibly by hand it will be sometimes broken by doing so indicated Heat
18. gurgling sound wn during operation or when you stop the air conditioner you may hear gurgling sound this means that the refrigerating liquid is circulating it is quite normal The remote controller is equipped with a power failure compensation function so it is possible to make the power You hear a slight cracking sound This is caused by heat expansion or contraction of plastic failure compensation invalid At the delivery from the factory it is set to valid Consult the dealer you have purchased Hissing or gurgling sound is heard from Those are the sounds of an air conditioner controlling itself automati y p the unit stopped cally You smell something Air blown out of the indoor unit sometimes smells What is the power failure compensation This is caused by tobacco smoke or cosmetics stuck inside the unit It means the function that when the power is restored after the power failure or the power switch is intentionally turned off the operation is automatically restarted with the setting condition of remote controller before power During the operation LEN If the air conditioner is used in a restaurant etc with dense oil fumes failure When the air conditioner had been stopping before the power failure it still Keeps on stopping after some white mist escapes Ss ES around some white mist may escape from the air outlet power recovery from the indoor unit xe If so call the dealer to clean the heat exchanger However resetting by the
19. immediately turn off the power switch and consult your dealer o Continued use of the system in abnormal circumstance may result in breakdown electric shock or fire A CAUTION The system should only be used for its original purpose and not for anything hands else like for instance preservation of food plants or animals precision devices or works of art It may damage the quality of food etc Do not wash the air conditioner with F 6 This could cause an electric shocks Do not sit on the air conditioner nor put anything on it If the unit falls over or things drop off it people could get hurt Do not use the power switch for turning the system on and off It could cause a fire or a leakage You may get injured Do not handle the switches with wet This may cause am electric shock Do not install the system at a place water where the air stream of the blower is aimed directly at plants or animals This will damage their health Do not place a combustible gas or liquid conditioner near the air condi tioner or aim it directly at the system Soe This may result in a fire Do not touch the exhaust section while the swing flap is in operation You should not expose any combustion appliance directly to the air stream of the air conditioner The appliance may then work inadequately Only use approved fuses O Ax Use of steel or copper wire instead of
20. ing Approx 27 C and less Approx 10 to 21 C j Type 6 Type 208 258 Opetaugn Approx 10 to 24 C Type 308 408 508 808 1008 When the outdoor temperature goes down the heating Capacity decreases Beyond the recommended range the equipment may malfunction and or damage may be caused to property MAINTENANCE Points to observe Do not use hot water or volatile liquids a A Do not Thinner D usor J Petrol x Tooth powder Turn off the power switch Do not touch the equipment with wet A CAUTION Do not open the inlet grille until fan stops completely Fan will continue rotating for a while by the law of inertia after opertion is being stopped Cleaning the Air Filter Clean the air filter periodically at the end of cooling and heating seasons Removal FDT Series FDR Series 1 Take hold of the notches to the left and right and 1 Push up the center portion of the suction panel slowly pull the grille downwards 2 Pulling towards you swing down the panel Outer frame Pin a Pin B of panel lt P 2 Inner frame lt 7 of panel _ A D 2 Hold the hooks as illustrated below left and right at lower end of filter and pull while gently pushing 3 Remove the corrugated filter from the hook by upwards turning the hook 4 Slide the flat filter towards center and remove it Flat fiter Ae a filter
21. inutes and the operation will be automatically changed to the ordinary heating computer controls mode the quantity of air During HOT KEEP Defrosting operation in the heating mode When it is liable to frost the heating operation is stopped automatically for 5 to 10 minutes once per approx one hour Blowing is stopped for both indoor and outdoor unit and defrosting is operated After defrosting operation is completed operation mode is automatically changed to ordinary heating operation When the room thermostat is actuated When room temperature increases and room temperature controller actuates the fan speed is automatically changed to LO When room temperature decreases air conditioner automatically changes over to ordinary heating operation The capacity of air conditioner will decrease by contamination of inside of unit when it is used for about three years although depending upon the circumstances under which it is used and so in addition to the usual maintenance service special inspection maintenance service is necessary It is recommended to make a maintenance contract charged by consulting your sales dealer
22. may leak Wn Gas leaks may cause fire If strong winds are expected fix the system securely to avoid any collapse Collapsing may cause body injury Depending on the place of installation a circuit breaker may be necessary If you don t install a circuit breaker you may cause an electric shock Install at a place which can take the weight of the air conditioner Careless installation may cause body injury Make sure that you drain the hose properly so that all the water has dripped out o Negligence may cause flooding in the room resulting in wet furniture Make sure that the system has been properly earthed Earth cables should never be connected to a gas pipe municipal water pipe lightning conductor or telephone earth cable Incorrect installation of the earth cable may produce an electric shock SAFETY PRECAUTIONS I OPERATION PRECAUTIONS A DANGER Do not expose yourself to the cooling air for prolonged periods This could affect your physical condition and cause health problems While the fan of the outdoor unit is on operation do not put your fingers or sticks into the unit Even if it is not running the unit could start running suddenly It could cause an injury Do not insert anything into the air inlet This may cause injury as the internal fan rotates at high speed If you notice anything abnormal smell ob burning etc shop the system
23. ning indication flickers Inthe case that the present time is in the morning press the setting switch again Inthe case that the present time is in the afternoon press the time setting switch to change the indication of morning to afternoon then press the setting switch again rea owen A FAN ope TEMP sree wooe The unit can be turned on or off by ON OFF switch even if the timer is used es When the control changes to Center by setting of the option control ler the operation by timer becomes invalid Press the time setting switch Time change The hour area is flickering Reset the desired time using the time setting switch and the setting Press the A or 7 to set hour q switch The time that has been set before becomes invalid and the timer opera tion is restarted with the reset time as the starting point Fo sssi lt itsSsSsSsSsSsSsSs RR SG e s lt s CCiC When it is desired to change to the normal operation during the operation of timer press the timer switch to indicate no indication or time indication The timer becomes invalid and the mode changes to the normal operation Press the time setting switch Press the tie soting ow PROGRAM TIMER SETTING PROCEDURE Press the or 7 to set minute E Timer operation of two action
24. operating Do you have a normal municipal electricity supply Sy The switch Power 3 failure is not ON a Is your earthed plug alright If not this may be dangerous Turn off the power supply immediately and contact your dealer Poor cooling or heating Are there any obstacles blocking the air inlet or outlet Have you set the thermostat at a Is the air filter clean suitable temperature Did you leave any doors or windows Is swing flap in the horizontal posi open tion During heating operation Air blow will not reach the floor if the swing flap is set horizontally Poor cooling Is there any direct sunlight entering the room Is there a heat source in the room Cooling air is coming out on heating operation Isn t the air conditioner under prepara tion of heating operation Are there too many people in the room When the air conditioner does not operate properly after you have checked the above mentioned items or when the following phenomenon is observed stop the operation of the air conditioner and contact your sales dealer oikeat F Page 9 The fuse or breaker often shuts down operation Water drops off during cooling dehumidfying operation 3 There is an irregularity in operation or abnormal sound is audible Inspection lamp blinks We FOR POWER FAILURE COMPENSATION You hear a slight When you start the air conditioner when the compressor starts or stops
25. r code on the setting temperature display area all other indica arrguBEta tion lamps and the displays go off Defrosting operation When heating the indoor air with the heat pump type heating frost will accumulate on the air inlet of the outdoor unit as the outdoor temperature drops Since the accumulated frost reduces the heating efficiency the operation is automatically switched to the defrosting mode During the defrosting operation the blowers on the both the indoor and the outdoor units are stopped and the HOT KEEP message is displayed on the indication board Outdoor air temperature and heating capacity During the air conditioning by the heat pump type heating the heating capacity drops along with the drop of the E Contact the dealer from which you have purchased to inform Error outdoor air temperature code Status of failure Type of air conditioner and Model name Therefore it is necessary to operate an additional heating equipment when the outdoor air temperature dropped of unit excessively EE n EE SPEED MODE Press ON OFF switch to stop the unit Necessary time to raise the indoor air temperature TIME AUTO Air conditioning by the heat pump type heating takes time a little longer because the entire air in a room is CHECK SET i heated by circulating hot air You should start the heating operation sufficiently earlier especially in a very cold morning HAS THE UNIT BEEN INSTALLED CORRECTLY Che
26. s on a day is possible by combination of OFF timer and ON timer of PROGRAM timer Once after the PROGRAM timer is set the air conditioner will be started and stopped at the same time everyday A Press the setting switch The hour setting of present time has been finished Set OFF of the timer Set the timer in the order of 1 and 2 shown in above ON OFF TIMER SETTING The program timer starts and stops the air conditioner at the same time everyday Press the setting switch The flickering of present time changes to continuous lighting to indicate completion of setting Set ON of the timer Set the timer in the order of 1 and 2 shown in above ON OFF TIMER SETTING MITSUBISHI Press the timer switch Set to PROGRAM The program timer operation starts WwW The program timer operates the shorter set time first f ON and OFF are set at the same time the OFF timer will operate at the set time everyday A TEMP TIME Vv FILTER RESET TIMER ii 3 Timer operation indication Timer indication The set timer mode PROGRAM and the timer mode OFF or ON that operates next will be displayed FAN SPEED MODE AUTO SWING This will work as a prevention when it is forgotten to turn off Change of setting time and how to r
27. stopping now therefore do not insert your finger or a bar Neglecting ca TEMP SPEED Press or XZ switch to set the unit to the temperature to this will result in injury sills oe be fixed Operation was started just after the When the power failure compensation is set to valid after the power power switch was turned on recovery the operation starts with the same status as that of before the power failure or before turning off the power switch Keep on pressing the setting switch for 3 seconds By the above operation the temperature setting can be fixed The setting temperature does not When the temperature setting is fixed the setting temperature does not change The setting temperature change even if the 7 switch is pressed 3 2 indication flick ers Release method Keep on pressing the setting switch for 3 seconds during operation When the temperature setting switch is pressed while the tempera ture setting is fixed the setting temperature indication flickers for 4 seconds Regarding the heating operation Heat pump type heating Heat pump type heating means to heat the indoor air by utilizing the refrigerant to pick up the heat in the outdoor air WHEN THE CHECK INDICATION LAMP RED FLICKERS Error code J E The air conditioner is in abnormal condition The air conditioner stops at the same time when the check display lamp begins to flicker The erro
28. to the difference of setting temperature and the room temperature to keep the room tem Setting switch Temperature setting time setting switch perature constant This switch is used to set the timer time This switch is used to set the room Combined cooling and heating units only F See page 5 temperature and the timer time F See page 5 PRESENT TIME SETTING PROCEDURE ON OFF TIMER SETTING PROCEDURE The timer is set based on the present time Adjust the present time correctly at first E OFF timer stops operating the air conditioner when a set time has elapsed ON timer starts operating the air conditioner when a set time has elapsed Press the timer switch The display changes with the following sequence No indication gt Time indication gt Timer ON ES Program timer Timer OFF Set to OFF or ON The air conditioner turns on or off when a set time has elapsed Press the timer switch The display changes with the following sequence No indication gt Time indication gt Timer ON C7 Program timer Timer OFF Set to Time indication Set the timer time Set the desired operation stop or start time using the same procedure as in steps 2 6 of the PRESENT TIME SETTING PROCEDURE TIMER The operation is stopped or started at the setting time and the indication ow BG on the timer changes to No indication Press the setting switch The Mor
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