Home

user`s manual mitsubishi heavy industries ltd. packaged air conditioner

1. HEATING OPERATION e Heat pump type Heat pump type heating applies the mechanism that draws the heat from the outside air to warm up the room by means of the refrigerant Defrost operation During heating with a heat pump type air conditioner frost will be formed on the outdoor unit if the temperature outside the room drops If left alone the heating efficiency decreases In order to deal with this the operation is automatically switched to defrost operation to remove the frost During the period the airflow of indoor outdoor unit is stopped and heating defrost is displayed e Outer air temperature and heating capacity The heating efficiency of heat pump type air conditioner decreases as the outside temperature becomes lower If the capacity of air conditioner for heating is not sufficient please use other heating device e Time required until the room temperature increases A heat type air conditioner circulates warm air to warm the entire room so it takes a while to rise up the room temperature It is recommended to start operation earlier on a very cold day e When room temperature adjusting device operates during heating If room temperature rises and the room temperature adjusting device is activated the airflow becomes automatically low When the room temperature drops it switched back automatically to the normal operation ld AUTO RESTART lt wiren REMOTE CONTROL gt The remote control can apply an auto restart functi
2. GRILL button This button has no function When this button is pressed INVALID OFER Invalid Operation is displayed but it does not mean a failure AIR CON No button Display the indoor unit number connected to this remote control eThis button is used for indoor unit address setting CHECK button This button is used at servicing TEST button This button is used during test operation VENT button This button is used to operate external ventilator See page 10 LOUVER button This button is used to operate stop the swing louver See page 9 SET button eThis button is used to fix the setting This button is used to set the silent mode t See page 3 to 10 RESET button ePress this button while making settings to go back to the previous operation rs See page 3 to 10 eThis button is also used to reset the FILTER CLEANING display Press it after cleaning the air filter HOW TO OPERATE lt WIRED REMOTE CONTROL gt Maia Turn on the power supply of both indoor outdoor units for six hours before starting the unit to protect the units The crank case heater is energized in order to heat up the compressor Do not turn off the power supply The crankcase heater is conducted while the compressor is stopped preventing failure of the compressor due to accumulation of liquid refrigerant by keeping the compressor warm Setting Fan speed Operation temperature mode mode y Aa MITSUBI
3. 23 C Fan speed cocooccccccocconnocnnonncnos Fant Louver position Horizontal E HOW TO PERFORM THE TIMER OPERATION lt WIRED REMOTE CONTROL gt THE SELECTION OF TIMER MODE 1 Press TIMER button It enters the timer mode Current day of the week and Current time are displayed EXAMPLE Monday 10 o clock in the morning FP y Pa MITSUBISHI Display area SUN MON TUE WED THU FRI SAT SUN MON TUE WED THU A om HG gt CLOCK SET FI lit 2 Press A or Y button By pressing Y or A button it is possible to choose the item to set K CLOCK SET F set to current time y kA SLEEP TIMER lt Every operation the unit stops operation a WODE A after the certain period has elapsed 52 zy 9 OFF TIMER The unit stops operating at the setting time Vv SON TIMER 1 The unit starts operating at the setitng time y WEEKLY TIMER Timer set by one week y TIMER CANCEL ah Cancel the timer setting If you press the A button the display of the following timer modes is switched in the upwards direction If you press the RESET button timer mode ends and return to original satus 3 Press SET button The selected timer mode is set For setting of each timer mode See next page and thereafter The possible combination of the timer function is mentioned in the following table Combination of modes that can be set together Functions of each tim
4. Pull the cover downwards to open Ventilation display Displayed during ventilation operation ts See page 10 Central control display Displayed when the air conditioning system is controlled by centralized remote control Timer operation display Displays the timer operation setting e The figure below shows the remote control with the cover opened Note that the items in the liquid crystal display LCD area are shown for explanation purpose Weekly timer display Displays the settings of the weekly timer Operation setting display area Displays setting temperature airflow volume operation mode and operation message Temperature setting buttons These buttons are used to set the temperature of the room Operation check indicator light During operation Lit in green In case of error Flashing in red Operation stop button This button is used to operate and stop the air conditioning system Press the button once to operate the Timer button This button is used to set the timer mode system and press it once again to stop the system ts See page 3 Timer setting buttons MODE button This button is used to change the operation mode FAN SPEED button These buttons are used to set This button is used to set the airflow the timer mode and the time ts See page 3 to 10 A AIR CON No CHECK TEST volume
5. vicinage marks mean compulsory action or instruction The specified prohibited item is described in the circle The left mark means Earth is needed E After you have read the manual always store it where other users can refer to at any time If a new owner takes over the system make sure to pass this manual INSTALLATION PRECAUTIONS A DANGER Make sure to have the installation done by your dealer or a specialist If you install by yourself and the unit is not properly installed of the unit may occur refrigerant does not exceed the limit is necessary in case of installing the unit in a small room The leakage of refrigerant may cause oxygen deficiency accident Consult your dealer for the measures The preventive measures that the density of leaked ay A CAUTION Make sure to perform grounding work Do not connect grounding wire to any gas pipe water pipe D conductor rods or telephones Incomplete grounding may cause electric shock through leakage of electricity Make sure to mount a leakage breaker a Otherwise electric shock may occur Please consult your dealer or a specialist for the mounting Do not mount where flammable gas leakage can O happen If leaked gas stagnates in the unit the gas may cause fire Make sure to layout the drain pipe so that the water is completely drained Otherwise water may leak and wet household goods E OPERATION PRECAUTIONS A DANGER Do not expose your
6. Caution The stepladder used for removing and attaching the air filter must be fixed firmly Otherwise it may lead to injury due to overturn or fall A Caution Be careful so that the dust does not get into your eyes when removing the air filter Caution Do not operate the air conditioner while the air filter is removed Piled up dust may lead to malfunction How to remove Follow the instruction mentioned below according to the indoor unit type E Ceiling cassette 4 way FDT e How to handle inlet grille filter Removal lt How to remove the grille gt 1 Hold the stopper on the inlet grille 2 places to the OPEN direction arrow mark 1 then pull down to open the grille Remove the hook of the grille to dismount lt How to remove the filter gt 2 Push the hook of the grille in the indicated direction arrow mark 2 to release Then slide the filter in the indicated direction 3 to remove lt How to mount the filter gt 1 Ensure the right side and orientation of the filter and insert it to the arrow direction 4 so that the notch on the filter is hooked on the hook on the grille 2 places 2 Align the hole on the filter with the hook on the grille 6 2 places and push it securely until the filter is caught by the hook The direction of filter removal Mounting Hook lt How to mount the grille gt 1 Hang the hook on the hole on the panel The hook on the grille can be hanged
7. When a burning appliance is used together with the unit ventilate frequently If ventilation is not sufficient it may cause oxygen deficiency water leakage electric shock fire and injuries caused by the drop accident Do not place a burning appliance where the airflow from the unit is directly blown It may cause the imperfect combustion of the equipment Make sure that the unit installation foundation is not damaged due to long term use If itis left to stand the unit may fall down causing injury Do not wash the unit with water nor place a vase with 2 water on the unit ES It may cause electric shock or ignition Do not install the unit where the airflow is directly blown to animals and plants They may suffer from adverse effect Before cleaning make sure to stop operation and cut off the power The fan inside rotates at high speeds Make sure to use proper size of fuse S Using steel wire or copper wire may lead to failure or fire Do not store a flammable spray etc near the unit nor O blow directly to the unit It may lead to fire Before maintenance make sure to stop operation and cut off the power The fan inside rotates at high speeds When the unit isn t used for a long term cut off the power The accumulation of dirt may lead to heat generation or fire But before resuming the operation turn on the unit for
8. fhas KET AY is displayed Repeat step 1 and onward of Weekly timer setting on page 5 In case END da is selected timer mode is ended Display after Weekly timer Modes Setting e If you press OON OFF button while timer e The day of the week set is underlined mode is operative timer mode is canceled and the display will return to the original display e The Y mark is displayed above the current day of the week e The display of all the timer operation numbers set for the current day is turned on The lt mark indicates the next setting number to be activated and the set time is displayed e If you do not press any button for several minutes after entering the timer mode the timer mode ends and returns to the original e The timer operations are executed in order and the number display and time display is turned off when all the timer operations e If you select a day of the week for which setting for the current day is completed have already been made all the timer numbers that have been set are displayed And the details of the timer setting for the number which has lt mark is displayed You can modify the selected setting by overwriting it e In case you set ON timer and OFF timer operating at the same time OFF timer will be effective e If the same two time are set for ON timer on the same day the lower number shows preference F HOW TO
9. e When the signal is transmitted the AIR CON does not display reception e The display fades away or does not show anything 1 Pull out the cover HB How to set Radio Interference e A Prevention Setting 2 Replace the old y tee It is possible to sent two way Press of operation indicator will flash ATTENTION HOW TO OPERATE When you press each button of wireless remote control directing properly to the receiving part of the air conditioner the signal is transmitted If the air conditioner receives the signal correctly the light batteries with ae ea with AIR fone i The operation of remote control must be performed utton kept pressing or Insert the lowly and steadily a A batterles with AIR FLOW button clk A SS gt kept pressing a The remote control can be mounted on the wall or pillar with the remote control holder 3 Close cover e Do not use old and new batteries Slide from the upper part of the holder to place or mixed take out the remote control 4 Adjust the current time e Remove the batteries when the ts See page 12 remote control is not used for a long MWhen any error occurs on the time IDo not place the remote control to the following display e The recommendable effective period places l l Prees of a battery is about 6 to 12 months e The place exposed to direct sunlight or other RESET It depends on the usage strong lighting Saitoh awit l
10. The operation is invalid auil at 4 speed The unit operates with the maximum fan speed 5 Press LOUVER button If the indoor unit is equipped with the auto swing function press the LOUVER button once and current louver status is displayed If the indoor unit is not equipped with the auto swing function the message NVALID OFER is displayed e For the louver operation cts See page 9 to 10 1 Press LOUVER button and change the display to SWING e For the louver stopping See page 9 to 10 Q Press once while the louver is operating to display stop positions in order 2 Press the button once more at the preffered stop position to stop the louver at that position Effective stop position ws See page 9 to 10 At automatic operations cee middle At cooling dehumidifying operation Horizontal At heating operation ooooocccccnncccnonaconncnnnnnon downwards Stop Press ON OFF button e There may be a case that M5INVALID OPER is displayed when any button mentioned in the above is pressed but it is not a malfunction In that case the operation of the button is prohibited e When you start to operate for the first time after turning the power supply on the unit starts to operate as below You can change the setting as you like Central control Turned off Operation changeover With auto mode auto cooling Without auto mode cooling Set temperature
11. CANCEL 4 for checking the timer setting and canceling individual settings 5 Press SET button The selected mode is fixed 1 In the Weekly timer mode select TIMER SET Y and press SET button confirm t See step 1 to 5 in the above Selection of Weekly timer mode 114 Y y f a SUN MON TUE WED THU FRI SAT Y is flashing dy SET AY is displayed in the display area 2 Press A or Y button Set the Y mark above the day of the week to the day to be set for timer setting Press A and W to move to the right and left respectively A and Y will move flashing If you press the A button when the W marks are displayed on from MON to FRI and then SUN to SAT every day with flash this can be used to apply the same schedule on these days Press RESET button to return to selecting Weekly timer mode screen and TIMERSET is displayed t See the above step 3 3 Press SET button y mark above the day of the week is switched to light and is fixed dy SELECT Ho is displayed as the left display Vly y 4 Press A or Y button Up to four schedules can be set for each day Select the timer schedule number you want to set Set either ON timer or OFF timer for each single operation See the left EXAMPLE Press W button to make the lt mark next to the number flash and move downwards Press the A button to move the mark upwards 1 lt 2 3 4 Pre
12. if it leaks and contacts fire such as fan heater space heater or cooking heater it may produce toxic chemicals When repairing refrigerant leakage determine the service with the service staff that the repair has been finished without fault If it is required to relocation and reinstall the unit consult your dealer or a specialist D Improper installation of air conditioning unit may cause water leakage electric shock and or fire Before repairing or checking indoor unit be sure to turn off Indoor unit power supply breaker O lt can result in electric shock or injury due to rotation of indoor unit fan if you perform check or repair with the Indoor unit power supply breaker turned on Place the panels removed for repairing or checking on the stable spot Otherwise dropping or falling may lead to injury E PRECAUTIONS FOR WASTE DISPOSAL Your Air Conditioning product may be marked with this symbol It means that waste electrical and electronic equipment WEEE as in directive 2002 96 EC should not be mixed with general household waste Air conditioners should be treated at an authorized treatment facility for re use recycling and recovery and not be disposed of in the municipal waste stream Please contact the installer or local authority for more information HOW TO USE lt WIRED REMOTE CONTROL gt E NAMES AND FUNCTIONS OF REMOTE CONTROL BUTTONS wiren REMOTE CONTROL Wired remote control
13. lit The receiving part of indoor unit e At PM 9 00 TIMER CHECK display lamp turns off and the air conditioner FS Cancellation will stops operating e Press CANCEL button to turn off the TIMER display and timer is canceled e After TIMER setting if ON OFF button is pressed before the setting time TIMER display turns off and the TIMER is canceled Time change Press OFF TIMER button to set again E PROGRAM TIMER OPERATION By setting both ON timer and OFF timer the settings turn into PROGRAM timer mode Operation and stopping can be performed at the same time of each day by setting program timer once 1 Set ON timer Press ON timer button and set the time with or button Press ON timer button again 2 Set OFF timer Press OFF timer button and set the time with 7 Press OFF timer button again Both ON TIMER and OFF TIMER are displayed The direction of arrow mark changes depending on the status of operation AI a A Geta stop operating s FAN SPEED ONCE A button TIME ACL SET UP E Changing the set time Press OFF TIMER button or ON timer button to set again FS Cancellation e Whenever the CANCEL button is pressed both ON and OFF timer display will be turned off and the PROGRAM timer mode will be cancelled Operation condition is kept as before the button is pressed l Whenever the ON OFF button is pressed both ON and OFF The same time cannot be set for OFF timer
14. power supply button for 6 hours before starting the operation e Do not dry by exposing the air filter to the direct sunlight or using fire Otherwise the filter may be damaged e Do not operate the air conditioner with the filter removed Otherwise it may lead to trouble E TROUBLE SHOOTING Check the following items before requiring service THE UNIT DOES NOT WORK AT ALL Is the power supply switch Is there a blackout or is the Is the leakage breaker turned off fuse blown activated Is sunlight or other strong illumination striking the receive unit wireless unit l e Au AN POOR COOLING OR HEATING Dangerous Immediately turn off the power supply switch and contact your dealer 2010 meee Me NO AIRFLOW AT HEATING Is the air filter clogged Is the swing louver Are there any obstacles e Is the direct daylight Is the unit in the horizontal during blocking the air inlet coming into the room heating preparation DS and outorg e Are there any mode the swin ne 9 unexpected heat r See page 16 gt sources in the horizontal the Sa A Pa airflow may not f o w E reach down to Are there too many W the floor CY people in the room NUS If after checking the items above the air conditioner still does not operate normally or in the next cases stop operating and contact your dealer e f the fuse and breaker blow frequently If water drips at c
15. seconds wink out for 1 second is shed from the timer check indicator lamp yellow e After cleaning of filter press the FILTER button on the remote control to turn off the filter cleaning sign Press the button for one second or more The cumulative running time for filter sign can be changed Consult your dealer for more information I Ceiling cassette 4 way FDT Ceiling cassette 4 way Compact 600x600mm FDTC WHEN SHORT FLASHING LIGHT niout tor assecona IS SHED FROM THE TIMER CHECK INDICATOR LAMP YELLOW TIMER I CHEGK RuN O NS Check monitor Timer check indicator lamp WHEN LONG FLASHING LIGHT TIMER aN 9 HEGK RUN The cumulative running time for filter sign can be changed Consult your dealer for more information gt Timer check indicator lamp MSomething is wrong with the air conditioner e Immediately after the timer check indicator lamp flashes light for 0 5 second wink out for 0 5 second the air conditioner stops e Address No and error code are shown on the display on the indoor unit e The monitor display is turned off after the display time e When nothing is displayed on the monitor operate the remote control or press the BACKUP button resume MPlease contact your dealer and inform them address No and error code symptom of the trouble air conditioner t
16. side Louver No for FDTC horizontal 1 a downwards the position of the louver 1 Stop the air conditioner and press SET button and LOUVER button simultaneously for three seconds or more The following is displayed if the number of the indoor units connected to the remote control is one Go to step 4 DATA LOADING y Sahol A The following is displayed if the number of the indoor units connected to the remote control are more than one t SELECT IZU y TLV DO i 2 Press A or Y button selection of indoor unit Select the indoor unit of which the louver is set EXAMPLE TADO a TUDO gt TUDO S T UDOS 3 Press SET button determination of indoor unit Selected indoor unit is fixed EXAMPLE TLC gt lit for two seconds y DATA LOADING y Sahol A Press A or Y button selection of louver No Select the louver No to be set according to the left figure EXAMPLE Toll Pesok e Sot F Note For FDE select 47 Wa have no effect Sa No S a Other louver No settings Press SET button Determination of louver No The louver No to be set is confirmed and the display shows the upper limit of the movable range EXAMPLE If No 1 louver is selected No 1 UPPER lt current upper limit position Press A or Y button selection of upper limit position Select the upper limit of louver movab
17. 2 Press A or Y button Detailed timer opetation setting are displayed in accordance with the timer operation you have selected FAN SPEED MODE ED LOUVER VENTI Press Y button to display from Sunday and the lowest timer operation number Press A button to display the settings in the reverse order Select the timer operation number on a day of the week you want to cancel 3 If you press the RESET button the remote control will o return to the previous screen and display LHELA CANLEL di 3 Press SET button CANCEL is displayed If you press the RESET button the remote control will return to the previous screen and display FCHECK SETTING 4 Press SET button CANCELLED is displayed and the displayed detail timer operation settings disappears and is canceled e If you press MON OFF button while timer mode Y is operative timer mode is canceled and the SCHECK SETTING is displayed again display will return to the original display Repeat step 2 to 4 to continue canceling other settings e f you do not press any button for several minutes after entering the timer mode the timer 5 Press DON OFF button mode ends and returns to the original display Timer mode ends HOW TO PERFORM THE TIMER OPERATION lt WIRED REMOTE CONTROL gt 1 Press CO TIMER button Timer mode begins The current The day of the week and the c
18. 3 sides on the panel A _ _ FF e i 5 ZOE f 2 After the grille is hanged close the grille while the stopper on the grille 2 places is kept pressed to OPEN direction When the grille comes to the original position release the Hook stopper to hold the grille Hook Caution Mount the filter to the grille securely Otherwise it may lead to decreased efficiency due to leakage of flow from the gap A Caution Mount the grille securely Otherwise it may fall Holes for hook Caution When the stopper is deformed or damaged repair or replace without delay Otherwise the grille may fall SHOW TO MAINTAIN I Ceiling cassette 4 way Compact 600x600mm FDTC 1 Slide the inlet grille levers in the direction of the arrow gt and open it downwards 2 Release the inlet grille stopper Hooks Z Hooks 3 Pull the filter towards you 4 When the filter is put in place insert the filter into the hooks on the inlet grille and be sure to return the stopper to its original o position 5 When putting the inlet grille back in place slide the levers in the opposite direction and check to be sure that the grille does not come open Stopper P Ceiling suspended FDE 1 Slide the lever of the inlet grille 2 Pressing the inlet grille press the filter backward direction and open it to remove it from the tab and pull it downwards downwards A
19. ERFORM THE TIMER OPERATION a taa 3 THE SELECTION OF TIMER MODE dao 3 SETTING THE TIME tad 4 SLEEP TIMER MODE tata 4 OFF TIMER MODE aaa 4 ON TIMER MODE Semsrsastuisiorsialns resi enicntas Dalai did aaa aaea e aaa 5 WEEKLY TIMER MODE sisiutinesmetssainnnanabainscacaemanstdenmaninnuacinuaiemmuasannvinasauaiminhisatdubvannuledetaldmnuseasaiasdenosamemnainnalaueuniaasaes 5 TIMER CANCELLATION MODE apucitanassicnasio iii idad daane iaaiaee aea A cia 8 HOW TO OPERATE IN SILENT MODE ovsuiciosnnasirini dorada ii 8 HOW TO ADJUST THE ECGUVER svssucrnasarmacias dildo dai leida 9 HOW TO SET THE AIRFLOW DIRECTION aescunurnrsicnniaaicad ricino 9 HOW TO OPERATE VENTILATION nassmencinnmcansivebieiaaiaanics leete idiota 10 FOR COMFORTABLE USE sirrien aaa ideal ie Aap Raa atian e e aaea aaa 10 INSPECTION DISPLAY FILTER SIGN AIR CONDITIONER NUMBER STANDBY AND ROOM TEMPERATURE DISPLAY A A ea A EE AE E E E A asd E cae ee ede 11 lt WIRELESS REMOTE CONTROL gt NAMES AND FUNCTIONS OF REMOTE CONTROL BUTTONS WIRELESS REMOTE CONTRO catarata iat a DEAD Aa bs cada aa ARA Ae AA ARA 11 HOW TO OPERATE sa od a a 12 CURRENT TIME SETTING PROCEDURE vacia ES EA a A AAA 12 ON TIMER OPERATION ouvir A A AA A ROAD 12 OPP IME OPERATION estacas aio talon teo 12 PROGRAM TIMER OPERATION sacusianaia ol ii sio ici 12 HOW TO ADJUST THE LOUVER cuina data 13 FOR COMFORTABLE USE statu iaa role EEE E E E EE ER E EE EEE 13 CHECK INDICATION FILTER SIGN namas erotica 13 BACKUP BUTTON ori
20. MER lights Oo ITEMP ON OFF tes 4 Press A or Y button on G The display changes as below Set as you like Y hour e5 Tf hour _ JN hour lt Ari hour OFF OFF I OFF Lt OFF A O TIMER S FAN SPEED MODE 5 Press SET button aa Y 2 2 Sleep timer has been set i E The air conditioner starts operating if it is stopped when the sleep timer is set 5 a After 2 TIMER SET UK is displayed in the display area it returns to step 2 lt When Ten hours later OFF is set gt AI hour yy Lt OFF lights 1 2 4 395 D TIMER SET DK itor two seconds AEA ORE lights cance 3 SLEEP TIMERS i The time left is displayed by one hour as time passes off after the e If you press DON OFF button while timer mode setting When the setting time elapses the unit stops operating Every operation the unit stops operation after the certain period has elapsed is operative timer mode is canceled and the display will return to the original display e If you do not press any button for several minutes after entering the timer mode the timer mode ends and returns to the original display 6 Press DON OFF button The timer mode is finished OFF TIMER MODE The unit stops operating at the setting time 1 Boxe TIMER button This setting is effective for only once 2 Press Y button twice a IS CLOCK SET 1 gt 63 SLEEP TIMERS gt 19 OFF TIMER 3 Press SET button EXAM
21. N OFF button O UD CD TEMP button LOUVER button a 34 MODE button ES FAN SPEED button 6 o TIMER button E INSTALLATION RELOCATION AND INSPECTION MAINTENANCE Please observe the following points in order to use the air conditioner in a safe and comfortable manner Make sure to request your dealer for installation do not attempt to do by yourself INSTALLATION LOCATION Is the system installed in a well ventilated place Are there any obstacles If so it leads to the decrease of the efficiency and the increase of operation noise Avoid the place where cool warm air and operation noise cause problems to your neighbors ELECTRICAL WORK A Caution Make sure to perform grounding work Do not connect the ground wire to any gas pipe water pipe or wires of lightning conductors and telephones If the ground work is not good it may lead to electric shock A Caution A leakage breaker is necessary depending on the installation environment If it is not mounted there it may lead to electric shock Only qualified specialists of electrical and grounding work can do these works according to electric equipment technical standards E Is the wiring designated for the air conditioner E Is the remote control mounted correctly e In the case of exposed wiring is the wiring fixed with the attached screw e Is the attached remote control clamps used for fixing the remote control cord e Is the remote control mounted at a height wh
22. PERFORM THE TIMER OPERATION lt WIRED REMOTE CONTROL gt Weekly timer Holiday Setting It is possible to disable the timer settings temporarily which has been already set by applying Holiday Set on a particular day of the week When the Holiday Setting is cancelled the timer setting is enabled again A UUU gt MITSUBISHI DON OFF FAN SPEED MODE ED LOUVER VENTI Canceling Holiday Setting is operative timer mode is canceled and the display will return to the original display e f you do not press any button for several minutes after entering the timer mode the timer mode ends and returns to the original display e If you press MON OFF button while timer mode 1 In the Weekly timer mode select and set HOLIDAY SET gt t See Selecting Weekly timer setting step 1 to 5 on page 5 Vv SUN MON TUE WED THU FRI SAT is displayed in the display area is flashing dy SET DAY is displayed A 4 2 Press A or Y button Move the WV mark displayed above the days of week to the day which you want to set as Holiday Press A and Y to move to the right and left respectively If you press the A button when the W marks are displayed on from MON to FRI and then SUN to SAT every day with flash This can be used in case you would like to apply Holiday setting on these da
23. PLE Qu ULI flashes de SET TIMER lit E TEMP ON OFF 4 E Press A or Y button DI CA 6 Set the time at which you want to stop the operation e Set Hour A OF If you press A or Y button for a while Hour display is changed Malai ae NOE by one hour and stops when you stop pressing GRILL RESET LOUVER VENTI e Set Minute O O If you press A or Y button the display increases or decreases by ten minutes 5 Press SET button OFF timer has been set After amp TIMER SET OK is displayed in the display area it returns to step 2 lt If set to 6 00 PM gt Oem AH lit 12 4 3e5 oa Once the OFF timer is set it is not possible to start operation If you would like to operate the air conditioner press ON OFF button before a A NOTICE hand to turn on j 9 TIMER SET OK lights for two seconds Qou EEF lit e If you press OON OFF button while timer mode 9 FE TIMER gt lit is operative timer mode is canceled and the The unit stops operating at 6 00 PM display will return to the original display The imedispiay siso ied off i e If you do not press any button for several minutes after entering the timer mode the timer mode ends and returns to the original display 6 Press ON OFF button The timer mode is finished 2 HOW TO PERFORM THE TIMER OPERATION lt WIRED REMOTE CONTROL gt ON TIMER MODE The unit s
24. SELELT 3 SELELT 4 7 COOL DRY e Do not move the swing louver forcibly by hands for fear that it may be damaged e Do not blow downwards during cooling operation for a long time for fear that dew condensation may be formed at the side panel In case of FDE E HOW TO SET THE AIRFLOW DIRECTION IN case oF FDT FDTC FDE lt WIRED REMOTE CONTROL gt It is possible to change the movable range of the louver on the air outlet from the wired remote control Once the top and bottom position is set the louver will swing within the range between the top and the bottom when swing operation is chosen With Ceiling cassete 4 way FDT and FDTC it is also possible to apply different setting to each louver A W gt 7 e MITSUBISHI Mi SHI VY INDUSTRII MON OFF x e For FDT and FDTC type in case the louver No to be set is uncertain set Piping side any louver temporarily The louver will swing once when the setting is completed and it is possible to confirm the louver No and the position After that choose the correct louver No and set the top and bottom position e For FDE type set louver No 1 Other settings selected have no effect TIT i oq oju Siin Drain hose side Louver No for FDT Drain hose side Piping
25. SHI C TEMP OON OFF GRILL RESET VENTI TIMER Operation mode automatically e The settings of operation change temperature and air flow volume adjustment can be changed even when the air conditioner is stopped When a button is pressed while the operation is stopped the corresponding display is turned on and you can change the setting The display turns on for three seconds after changing the setting then turns off 1 Press ON OFF button The unit starts operating 2 Press MODE button The range of operation mode is displayed according to the model of indoor unit Every time the button is pressed the display changes in the following order dry gt cool gt fan gt heat gt auto EXAMPLE display for auto operation enabled e With auto operation heating and cooling is cooling operation automatically changed heating depending on difference operation y between the setting temperature and sucking e oalneattina room air temperature temperature 3 Press TEMP button Press Cp or oa button to set the room temperature 4 Press 36 FAN SPEED button The range of fan speed modes is displayed according to the model of indoor unit At 4 speed SOR OS ao eal At 3 speed SF OOS ae OF aml At 2 speed SF aodio F ae or SF aadi OS ae At 1 speed
26. TE e Turn on the power supply of both indoor outdoor units for six hours before starting the unit to protect the units The crankcase is conducted and the compressor is heated Do not turn off the power supply The crankcase heater is conducted while the compressor is stopped preventing failure of the compressor due to accumulation of liquid refrigerant by keeping the compressor warm e The operation of remote control must be performed slowly and steadily OPERATION 1 Press ON OFF button ON OFF Aa pa The operation display light Green turns on and the operation starts The setting status is displayed on the liquid crystal area on the remote control 2 Press MODE button Current operation mode is indicated with the M marks besides the operation mode icons The mode will change in the following order by pressing the button O AUTO gt 3 COOL gt HEAT es 2 FAN 6 DRY 3 Press TEMP button Set the room temperature by pressing 4 or AJ button 4 Press FAN SPEED button E HI MED gt LO FAN SPEED can be changed in order FAN ins TEMP setting is resi 5 Press AIR FLOW button Effective AIR FLOW direction t see page 13 e Operation mode can be changed even AUTO mode operation Intermediate when the unit stops Cooling dehumidifying mode Horizontal e If you operate under the same condition Heating Mode eeeeee Downwards operation mode set t
27. USER S MANUAL MITSUBISHI HEAVY INDUSTRIES LTD PACKAGED AIR CONDITIONER USER S MANUAL EE Ceiling cassette 4 way FDT Ceiling cassette 4 way Compact 600x600mm FDTC FRANCAIS Duct connected High static pressure FDU FDUS MANUEL DE UTILISATEUR Duct connected Middle static pressure FDUM Ceiling Suspended FDE ANWENDERHANDBUCH PRUEA ISTRUZIONI PER CUSO MANTE MANUAL DEL PROPIETARIO ESTI GEBRUIKERSHANDLEIDING BEEN a MITSUBISHI HEAVY INDUSTRIES LTD MANUAL DO UTILIZADOR Limas OAHTIEZ XPH2HZ EMERG PYKOBOJICTBO MO SKCMIYATALIV ETT KULLANIM KILAVUZU Mid y A CE This air conditioner complies with EMC Directive 2004 108 EC Dieses Kimager t erf llt die EMC Direktiven 2004 108 EC LV Este acondicionador de aire cumple con la directiva EMC Este aparelho de ar condicionado est em conformidade com a LV Directive 2006 95 EC Direktiven 2006 95 EC 2004 108 EC LV Directiva 2006 95 EC Directiva EMC 2004 108 EC a Directiva LV 2006 95 EC CE marking is applicable to the area of 50 Hz power supply Die CE Marke gilt f r Bereiche mit einer Netzstromversorgung La indicaci n CE s lo corresponde al rea de suministro A marca CE aplica se a zona de fornecimento de energia a von 50 Hz el ctrico de 50 Hz 50 Hz Ce climatiseur est conforme la Directive EMC 2004 108 EC Questo condizionatore d aria conforme alla Dir
28. WIRELESS REMOTE CONTROL gt continuous movement of display Recommended air frow direction position when fixed COOL DRY AUTO HEAT A B A C E a C Q D E CHECK INDICATION FILTER SIGN lt WIRELESS REMOTE CONTROL gt I Ceiling suspended FDE WHEN SHORT FLASHING LIGHT w2k cor2ee 2cc 4 IS SHED FROM THE TIMER CHECK INDICATOR LAMP YELLOW Check monitor Timer check indicator lamp MThere is something wrong with the air conditioner e Immediately after the timer check indicator lamp flashed light for 0 5 second wink out for 0 5 second the air conditioner stops e Address No and error code are shown on the display on the indoor unit e The monitor display is turned off after the display time elapses e When nothing is displayed on the monitor operate the remote control or press the BACKUP button to resume MPlease contact your dealer and inform them address No and error code symptom of the trouble air conditioner type and model name etc e Press the ON OFF button to stay the air conditioner on the stop mode WHEN LONG FLASHING LIGHT Herei zoe IS SHED FROM THE TIMER CHECK INDICATOR LAMP YELLOW O Thy gi No Timer check indicator lamp HiClean the filter ts See page 14 e When cumulative running time reaches 120 hours long flashing light light for 2
29. and ON timer timer display will be turned off and the PROGRAM timer mode will be cancelled The air conditioner stops operating E HOW TO ADJUST THE LOUVER How to move swing louver Press AIR FLOW button when the air conditioner is in operation e The swing louver moves up and down and the display moves too The louver position which the display shows is not synchronized with the actual position when the louver is swinging But this is not a failure To fix the position of the swing louver Press AIR FLOW button when the louver position indication comes to the position where you would like to fix it e Auto swing display stops at the position and then the swing louver stops and be fixed Press the button and auto swing display stops immediately then the swing louver stops later but this is not a failure Auto swing display and the actual louver movement of the air conditioner are not synchronized The swing louver movement during heat preparation When heat preparation is displayed the position of the swing louver A sets horizontal automatically The display of remote control keeps the set E position Hf When heat preparation ends and normal operation starts the position of the swing louver returns to the set position horizontal position Do not set the position of the swing louver downwards for a long time Dew formation on the side panel may drop in case of FDE ll FOR COMFORTABLE USE See page 10 lt
30. area lt lf set to 10 00 AM gt OAM UE EET lit TEMP SET ON Y lit If you press the RESET button the remote control will return to the previous screen 6 Press A or Y button Press Y button and TEMP SET OFF uk is displayed Press A button and TEMP SET OH F is displayed Select either of the above two e Go to step 7 if temperature is set e Go to step 9 if set temperature is not set Y Press SET button The left display is displayed in the display area lt If set to 10 00 AM gt OAM EE AT lit 27 C The current set temperature is displayed flashing dA SETUP iit 8 Press or button to set temperature If you press or button the display increases or decreases by 1 C Set temperature at which you want to start the operation If you press the RESET button the remote control will return to the previous screen 9 Press SET button ON timer is set and after a TIMER SET OK is displayed it returns to step 2 lt If set to 10 00 AM gt e AM 4 FUN Du a IN OIEA el de lit a TIMER SET UK lights Ay AM Aa Prt Se OMT E de lit S UN TIMER lights Set temperature is displayed only in case it is set The unit starts to operate at setting time with set temperature The time display is turned off 10 Press DON OFF button The timer mode is finished WEEKLY TIMER MODE WSelection of Weekly timer mode Up to four sc
31. ayed when ON TIMER is not set OFF TIMER setting time display t See page 12 Indicates OFF TIMER setting time Indicates the Transmitter current time when the OFF TIMER is not set See page 12 Sends signal to the air conditioner ON OFF button When this is pressed once the AIR CON starts to FAN SPEED button a operate and when this is pressed once again it stops Every time this button is pressed the mode is switched FILTER g operating as below Est i AIR FLOW button pa a Used to swing the louver See page 13 FAN SPEED ON o FILTER button OPERATION MODE select button Used to reset turn off the filter sign FILTER MODE Every time this button is pressed displays switch as below O Press the button only after completing the filter cleaning O AUTO gt COOL gt HEAT g 0 eae E FAN DRY jad O ROOM TEMP TIME SETTING button Sets room temperature by pressing A Jor Z button o Sets time when setting the time a O ONTIMER button Sets ON TIMER operation See page 12 OFF TIMER button TIMER CANCEL button Sets OFF TIMER operation gt See page 12 Used to cancel the TIMER SETTINGS TIME SET UP switch Sets current time See page 12 RESET switch Used to reset the microcomputer NOTICE If the display of remote control has troubles press RESET switch WIRELESS REMOTE CONTROL HANDLING PROCEDURE REPLACING THE BATTERIES If the following occurs the batteries are exhausted Replace with new ones
32. de at the starting time to be set and finish it after certain period has passed Once the system is set to operate with the silent mode the setting is applied everyday until it is canceled NWSilent Mode Setting 4 In the timer mode set the current day of the week and current time See page 4 step 1 to 7 2 Press SET button for three seconds or more The remote control goes into silent mode setting and the following is displayed ON OFF E SET SILENT or CANCEL SILENT amp lit cD 3 Press A or Y button If V button is pressed CANCEL SILENT amp is displayed If A button is pressed FI SILENT Yis displayed are seset SETST Y e If you press the RESET button the remote control return to GALL REBET LOUVER VENTI the original screen 4 Press SET button A The following setting is displayed Opm S EF flashing d SET TIMER lit 5 Press A or Y button Set the ON TIME e Set Hour If you press A or Y button for a while Hour display is changed by one hour and stops when you stop pressing e Set Minute If you press A or Y button the display increases or decreases by ten minutes If you press the RESET button the remote control return to the SET SILENT display DD hen 6 Press SET button The ON TIME is set and the following is displayed WCanceling Silent Mode Setting Opm S LiL flash
33. e The place exposed to high temperature for a ballpoint The recommendable effective EXAMPLE on the electric carpet or near a stove aic period is printed on the battery Milf the signal receiving part of the air conditioner is This may be shorter due to manufacturing time of the unit e However the battery may be still working in order after expiry date If the remote control is set as Radio Interference Prevention Setting it returns to default when the batteries are removed It is necessary to perform the next procedures again and the unit MHandle it with utmost attention exposed to direct sunlight or other strong lighting it may not receive the signal In this case shut out the sunlight or turn down the lighting IDo not place anything between the remote control IDo not operate the remote control for other electric appliances which can be operated with a remote control Remove the batteries when the remote control is When the batteries are inserted each operation mode 17 ALE not used for a long time is set as the right figure Adjust the current time referring L tc aS Even if the remote control is not found or damaged to page 12 The figure is for operation and only the ars pM 3 you can operate the air conditioner with itself See current time is displayed for stopping LO run E How to use the backup button on page 13 11 HOW TO USE lt WIRELESS REMOTE CONTROL gt E HOW TO OPERA
34. e stop mode lf DON OFF button is pressed again the errors are displayed F ROOM TEMPERATURE DISPLAY If room temperature display setting is activated room temperature is displayed on the remote control display Then airflow display turns off but airflow adjusting button is operative Consult your dealer for settings The room temperature display E WHEN THE FILTER CLEANING MESSAGE IS DISPLAYED The FILTER CLEANING gt is displayed When the cumulative operation time reaches set amount number of hours in order to notify the time for cleaning E Clean the air filter See page 14 FILTER CLEANING is displayed in the display area It is displayed for one second every five seconds while the unit is running It is always lit while the system stopped After cleaning 1 Press RESET button The cumulative operation hours is reset and the FILTER CLEANING message turns off F HOW TO DISPLAY AIR CON NO By operating AIR CON No button the number of the connected AIR CON unit and error codes of the units which have the record are displayed mA f Press AIR CON No button AIR CON No display mode appears and the AIR CON of the lowest number is displayed Other displays all turn off Press A button AIR CON No are displayed in order from the lowest And error codes are displayed on the units which have suffer
35. eat step 2 and 3 to continue canceling further holiday settings 4 Press ON OFF button Timer mode ends Weekly timer Checking 1 In the Weekly timer mode select and set CHECA CANCEL d Ad MITSUBISHI HEAVY INDUSTRIES LTD t See Selecting Weekly timer setting step 1 to 5 on page 5 The display shows the detailed timer operation setting information of the smallest timer operation number on the day of the week as showm on the left But if not set NI SETTING gt 3 is displayed OON OFF 2 Press A or Y button Detailed timer operation setting are displayed in accordance with the timer operation you have selected Press Y button to display from Sunday and the lowest timer operation number Press A button to display the settings in the reverse order 2 3 Press MON OFF button Timer mode ends Weekly timer Mode Setting Canceling It is possible to cancel Weekly timer mode settings of each day of the week as well as individual timer operation number See Timer Operation Cancellation Mode on page 8 to cancel settings of all days of week 1 In the Weekly timer mode select and set AA CHECK CANCEL di t See Selecting Weekly timer setting step 1 to 5 on page 5 The display shows the detailed timer operation setting information of the smallest timer operation number on the day of the week as showm on the left
36. ed from failure in the past Press W button to display in the reverse order 3 Press DON OFF button Return to the original display e The AIR CON No can be displayed without relation to its modes of operation stop forcible stop due to an error e Buttons other than AIR CON No A Y ON OFF cannot be operated Y STANDBY DISPLAY During the first operation after breaker power supply input or the recovery from power failure MPREPARATITN can be displayed on the remote control for max 30 minutes The refrigerant oil protection control is activated to protect the compressor and this isn t a failure Please wait till the display turns off E NAMES AND FUNCTIONS OF REMOTE CONTROL BUTTON lt wireELess REMOTE CONTROL gt WIRELESS REMOTE CONTROL All displays are described in the liquid crystal display for explanation AIR FLOW display Indicates the status of swing louver rsSee page 13 ROOM TEMP display Indicates set temperature 5 OPERATION MODE display z FAN SPEED display Indicates selected operation with MW o Indicates the selected airflow volume FILTER display D i ss ON TIMER display a when FILTER Indicates when ON TIMER is set See page 12 MED fa iaa OFF TIMER display ON TIMER setting time display Indicates when OFF TIMER is set See page 12 a Idicates the ON TIMER setting time o Nothing displ
37. eie AA EE E E EEE E D E EE 14 EFOR SMART USE ROWYEMAINTAI Moira dro ias 14 E TROUBLE SHOOTING usci sissaiann A ia a 15 E NOTICE PREPARATION OF HEATING meises innne E EEA EEE REE A E 16 AUTO RES TAR rai A E A 16 SETTING TO DISABUE BUTTON OPERATION surosivsniain ar 16 INSTALLATION RELOCATION AND INSPECTION MAINTENANCE sccociiaarasaara aaa 16 OPERATION RANGE sustrai AAA AA 16 E SAFETY PRECAUTIONS M Please read these SAFETY PRECAUTIONS before starting to use this product and use the product appropriately according to the instructions W The precautions provided here are classified into AM DANGER and A CAUTION The A DANGER sections describe potentially hazardous situations that may lead to serious outcomes such as death and sericus injuries if the product is mishandled Note however that depending on the situation the items listed in the CAUTION sections do also have the potential of causing serious outcomes Both warnings and cautions provide you important information related to safety please make sure to observe them MW The symbols used throughout the main text of this manual have the following meaning A marks mean danger alarm and caution The specified prohibited item is described in the triangle The left mark means Shock hazard alarm O marks mean prohibited items The specified prohibited item is described in the circle or in the It may suddenly operate and cause injuries
38. emperature airflow louver just follow step 1 no other operations are necessary The conditions which were set previously are indicated on the remote control E CURRENT TIME SETTING PROCEDURE The timer is set on the current time Adjust the current time correctly at first of all Stop Press DON OFF button EXAMPLE AM morning 8 00 setting Press TIME SET UP switch Press it with the tip of ballpoint etc The time display blinks and can be set Were AM E guo E to the current time FAN aa AIR FLOW Cae 2 Press or button to adjust to AM 8 00 2 Morning AM After noon PM OTIMER The displayed time changes by 1 minutes when pressing the button oa e If iW or button is pressed during the blinking fast forward or fast ais Os 1 s 3 backward can be done SET UP e In case the buttons are not pressed for 60 seconds the displayed time is set as current time without step 3 QS 3 Press TIME SET UP switch The display changes from blinking to steady lighting and the setting is completed 12 E ON TIMER OPERATION Operation is started at the setting time lt WIRELESS REMOTE CONTROL gt EXAMPLE If you would like to start the operation at AM 8 00 1 Press ON timer button ON timer display SINS blinks 2 Press or button to adjust to AM 8 00 Displayed time will be changed by 10 minutes by pressing the buttons 3 Press ON timer button e ON timer d
39. er operation O possible x impossible Sleep timer f Sleep timer OFF timer ON timer Weekly timer When the setting time elapses the unit stops operating l 10 settings are available from an hour later OFF to 10 Sleep timer X O x hours later OFF OFF timer x O x The unit will stop when the setting time is reached ON timer O O A e OFF timer Weekly timer x x x The unit stops operating at the setting time You can set only one time at a time e If you select a combination of modes that cannot be set together e ON timer and press the SET button the message INVALID OPER The unit starts to operate at the setting time You can set invalid operation is displayed for 3 seconds and then the the temperature at the same time You can set only one display return to the one selected in step 2 time at a time e Weekly timer Up to four times of timer operation ON timer OFF timer are available for each day of the week Once Weekly timer is set the unit performs the same operation every week e If you press the DON OFF button while timer mode is operative timer mode is finished and the display will return to the original display Note that the setting which has not completed is canceled e If you have set the ON timer mode and either the OFF timer or Sleep timer mode at the same time the OFF timer or Sleep timer shows preference to the ON timer e If you pre
40. ere children cannot reach RELOCATION A Warning Make sure to consult a dealer or specialist if it is required to relocate and reinstall the air conditioning system If the air conditioning system is installed incorrectly water leakage electric shock and or fire may occur Note that an installation fee will be charged for relocation and installation INSPECTION MAINTENANCE Normally the efficiency of the air conditioning system will become lower after a while because dirt accumulates inside the system This occurs gradually in around 3 years of use depending on the condition of use and surrounding enviroment lt is thus necessary to conduct inspection maintenance in addition to regular maintenance We recommend you to consult the dealer from whom you purchased the system and make a contract for periodical inspection charged Y OPERATION RANGE CAUTION Please use the system in the following operation range lf the system is operated outside this range the protection controls may be activated to prevent malfunction Condition Operation Room temperature Temperature outside the room Humidity inside the room Approximately Cooling 21 to 32 C operation Long continuous operation under Dry operation approximately 21 C may lead to malfunction due to dewfall Approximately 80 or less Long operation under high humidity may leads to waterdrop or smoky vapor at the supply air grille Approximately 5 to 43 C Approxi
41. ettiva EMC Deze airconditioner voldoet aan EMC Directive 2004 108 EC To kMuatIoTIK CUUMOPPWVETAL TIPoc THV o nyia 2004 108 EK LV Directive 2006 95 EC 2004 108 EC LV Direttiva 2006 95 EC LV Directive 2006 95 EC nepi ndekTpomayvntikAc ouu at tnta EMC kat tnv odnyia LV La marque CE s applique aux r gions aliment es en courant Il marchio CE applicabile alla fascia di alimentazione 50 Hz CE markering is van toepassing op het gebied met een net 2006 95 EK de 50 Hz stroom van 50 Hz To ona CE tOx el UOvov o TreplOX C TTOU n TPOMOSoO_IaA ElVAL 50 Hz PSA012B735 Thank you very much for your purchase of this packaged air conditioning system produced by Mitsubishi Heavy Industries Please read through this manual before using the product and use the product appropriately according to the instructions in the manual After you have read the manual store it with the warranty certificate in a safe place It will help you when you have questions or problems PRA EE E EE EE TT EE E ETT ETA PA A I Do not vent R410A into the atmosphere R410A is a fluorinated greenhouse gas covered by the Kyoto Protocol with a Global Warming Potential GWP 1975 ao ee The emission sound pressure level from each Indoor and Outdoor unit is under 70 dB A MSAFETY PRECADT O Nun iia 1 EHOW TO USE lt WIRED REMOTE CONTROL gt NAMES AND FUNCTIONS OF REMOTE CONTROL BUTTONS WIRED REMOTE CONTROE aaa 2 HOW TO OPERATE aaa 3 HOW TO P
42. g display turns off and returns to original display E HOW TO ADJUST THE LOUVER lt WIRED REMOTE CONTROL gt ADJUSTING WITH LOUVER BUTTON Indoor unit with auto swing function Press LOUVER button once and the current status of louver is displayed FANSPEED MOD a gt H Press When you operate the swing louver 1 a Press LOUVER button and button the display to OWING pr E 7 s FAN SPEED MODE Press VENTI The function of the swing louver during the heating preparation fi zl_h heating defrost i iih or Heating Defrost is CH automatically switched to horizontal When the operation is switched to normal after The heating preparation or Heating Defrost ends the position of swing louver returns to that of setting wosa ST IG a TOP a The display with the 5 F oe 7 louver position fixed When the position of the swing louver is fixed 1 a Press LOUVER button once while the louver is swinging and 4 stop positions are displayed every one second in order SELECT 17 47 SELECT 2 470 SELECT 3 24 SELECT 417 2 Press LOUVER button once when the display of the louver comes to the position you desire The display is switched to stop and the position of louver is fixed Recommended louver fixed position SELELT 17 7 JELELI 2 7
43. he remote control will return to the previous screen and display E GLOCK SET Y 4 Press SET button The day of the week is fixed and the flashing of Y mark turns to lighting stably current time is displayed by flashing in the ON timer display area and d SET TIMER is displayed in the display area OeheN 5 Press A or Y button Set to the current time If you press the RESET button the remote control return to step 1 6 Press SET button The flashing for time display turns to lighting stably and D CLOCK SET UK is displayed to show that the current time is set Two seconds later it returns to step 1 and 2 CLOCK SET Yis displayed Y Press ON OFF button The timer mode is finished e If you press DON OFF button while timer mode is operative timer mode is canceled and the display will return to the original display Note that the setting which has not been completed is canceled e If you do not press any button for several minutes after entering the timer mode the timer mode ends and returns to the original display SLEEP TIMER MODE After certain period has elapsed the unit stops operating The unit stops operating at each setting time once it is set 2 p b ress Y button once S CLOCK SET Y gt 3 SLEEP TIMER fa MITSUBISHI 3 Press SET button EXAMPLE H flashes d SET TI
44. hedules with timer operation ON timer OFF timer are available for each day of the week Note Set time every month in Weekly timer mode FAN SPEED MODE LOUVER VENTI 12 4 35 e If you press DON OFF button while timer mode is Operative timer mode is canceled and the display will return to the original display e If you do not press any button for several minutes after entering the timer mode the timer mode ends and returns to the original display WEEKLY TIMER SETTING Co ATEMP OON OFF _ _ a Oo e TIMER Sl FAN SPEED MODE 5 Lv Ga GRILL RESET LOUVER VENTI 2 4 6 8 10 305 7 9011 13 lt In case Monday is set gt EXAMPLE r a o al Number 1 04M Ef Number 2 py H Number 3 py Number 4 pu Y Four operations can be set with only ON timer or only OFF timer pa X Nad E Nui Eu y ru jew E jew ri jew Ez 7 ra 1 Press TIMER button 2 Press V button for four times gt CLOCK SET 1 gt 2 SLEEP TIMERS gt OFF TIMER gt ON TIMER 1 gt WEEKLY TIMER 3 Press SET button TIMER SET Tis displayed in the display area 4 Press A or V button By pressing A or Y button it is possible to choose the item to set TIMER SET f HOLIDAY SET for setting the selected day of the week to holiday Y for setting the timer t CHECK
45. ient temperature in case of heating and in low ambient temperature in case of coding Also the fan is system is in operation stopped during defrosting operation The fan will suddenly begin to operate even if it is stopped Do not insert finger and or stick 15 H TROUBLE SHOOTING The phenomena mentioned below is not malfunction Slapping sounds are heard These sounds are generated when plastic components are expanded or shrunk by the heat and rubbed with each other Hissing sounds are heard These sounds are generated when the refrigerant valve inside the air conditioning system is activated when the operation is stopped or during defrost operation The air conditioner starts In case the automatic restart function is enabled and when the power supply recovers the system restarts operation automatically as the operation automatically as same condition as before power supply is cut t See below soon as the power supply is turned on The setting temperature If changing the set temperature is prohibited on the remote control it is not possible to change the cannot be changed the temperature setting even V or A is pressed t See right setting temperature display flashes In case of wirless remote In case the system is controlled by the other centralized remote control and it forbids operating the system control the unit does not from the remote control it is not possible to operate by the remote control operate
46. ing Select CANCEL SILENT a in step 2 press mn TIMER SET DK lit for two seconds SET button and silent setting is canceled y al hour gt flashing ending the silent mode E CANCELLED is displayed dos SET TIMER lt e The remote control has main sub units silent setting cannot be operated with sub unit e After the silent mode is set the following is displayed for 3 seconds at the set time and the unit returns to the original display At the ON time SILENT MODE UN At the OFF time SILENT MODE OFF Y Press A or Y button to set the duration Select OFF time When you press A button and the duration is increased by two hours as below ja Pat gt ss Sibh l hour e If you select f Bow you can continue the LY OFF E silent mode uatr it is canceled At the first ON time When you press Y button and the duration is decreased by two the display shows SILENT MODE ON for three seconds hours If you press RESET buttons the remote control return to and returns to original display the ON TIME SET e If you press DON OFF button while silent mode is operative silent mode is canceled and the display will return to the original display Note that the setting which has not been completed is canceled 8 Press SET button The setting is fixed and displayed SET COMPLETE is displayed and the silent mode setting ends The settin
47. ir filter When mounting press the lever forward When morrting snab the filter into the untill it snaps tabs of inlet grille E Duct connected High static pressure FDU FDUS HF Duct connected Middle static pressure FDUM Air filter is attached when the air conditioner is installed so consult your dealer about how to remove or clean it How to clean MAINTENANCE OF THE UNIT 1 Wash away for cleaning If it is not so dirty tap it or use e Clean the unit by wiping with a piece of soft and dry cloth cleaner If the unit is very dirty wipe it with a piece of cloth wet with If it is very dirty dissolve some neutral detergent in lukewarm neutral detergent dissolved in lukewarm water and wipe it water approximately 30 C rinse the filter with it and wash off with clean water the detergent away completely 2 After the air filter is dried mount it to the main body and press AT THE END OF THE PERIOD OF USE RESET button after a long period of use ATTENTION e Make sure to turn off the power supply The air conditioner consumes several tens of watts electricity even if it is stopped e Clean the air filter and mount it e Clean the indoor outdoor units AT THE BEGINNING OF THE PERIOD OF USE after a long unused period e Make sure that there is no object blocking the airflow around the inlet and outlet grille of the indoor outdoor unit e Inspect the air filter If it is dirty clean and mount it e Turn on the
48. isplay CIB changes from blinking to steady lighting and the setting is completed 2 Press within 60 seconds TIMER CHECK display lamp of the air conditioner is lit The receiving part of ON OFF CANCEL indoor unit 1 3 e At AM 8 00 TIMER CHECK display lamp turns off and the air conditioner will start operating CA IA FS Cancellation e Press CANCEL button to turn off the TIMER display and timer is canceled e After TIMER setting if ON OFF button is pressed before the setting time TIMER display turns off and the TIMER is canceled I Time change Press ON TIMER button to set again H in case the ON timer is set while the air conditioner is in operation it will be stopped and ready for restart at the setting time E OFF TIMER OPERATION Operation is stopped at the setting time EXAMPLE If you would like to stop the operation at PM 9 00 1 Press ON OFF button when the air conditioner stops The air conditioner starts to operate OFF timer can be set only in case the air conditioner is in operation 2 Press OFF timer button rit speen OONOFF OFF timer display OFF blinks O 3 Press or button to adjust to PM 9 00 Displayed time will be changed by 10 minutes by pressing the buttons ER 4 Press OFF timer button e OFF timer display DOF changes from blinking to steady lighting and 2 4 the setting is completed Press within 60 seconds n a TIMER CHECK display lamp of the air conditioner is
49. ition of the louver 9 press SET button Fixing of the lower limit position Upper limit position and lower limit position are fixed and the set positions is displayed for two seconds then setting is completed e After the setting is completed the louver which was set O moves from the original position to the lower limit position and goes back to the original position again This operation er is not performed if the indoor unit and or indoor unit fan is in operation Movable 4 Example range O No 1 U2 L amp lit for two seconds e 4 T Lower lt SET COMPLETE position Aeon y Note If the upper limit position number and the lower limit a Ho position number are set to the same position the louver is fixed at that position And auto swing does not function 1 0 Press ON OFF button NOTICE Louver adjusting mode ends and returns to the original display e If you press RESET button during settings the display will return to previous display If you press DON OFF button during settings the mode will be ended and return to original display and the settings that have not been completed will become invalid e When plural remote controllers are connected louver position setting cannot be set by slave remote control 10 E HOW TO OPERATE VENTILATION WHEN A VENTILATOR IS INSTALLED lt WIRED REMOTE CONTROL gt When the ventilator is set to NO VENTI LINK the ventilator ca
50. le range position 1 is the most horizontal and position 6 is the most downwards position is to return to the factory setting If you need to change the setting to the factory setting use position No 1 UPPER Y The most horizontal gt No 1 UIPPER2 gt gt No 1 UPPERS gt e No 1 UIPPERA gt No UPPERS Ho 1 LUPPERE The most downward Ho 1 UPPER 4 Return to the position of shipment F HOW TO SET THE AIR FLOW DIRECTION lt WIRED REMOTE CONTROL gt T Press SET button Fixing of the upper limit position The upper limit position is fixed and the setting position is displayed for two seconds Then proceed to lower limit position selection display EXAMPLE Ho 1 LIPPER lit for two seconds y No 1 LOWERS shows current setting 8 Press A or Y button Selection of lower limit position Select the lower limit position of louver Ona position 1 is the most horizontal and position 6 is the most downwards position is to return to the factory setting If you need to change the setting to the factory setting use position e No 1 LOWER P the most horizontal downwards Ho 1 LOWERS gt Mo 1 LOWERS gt gt No 1 LONERA No 1 LOWERS Ho 1 LONER the most downwards Ho 1 LOWER 4 return to the position of shipment the pos
51. len leaves to pile up Fallen leaves may induce insects and worms in them and they may lead to failure ignition or smoking by touching electric components Do not use with inlet outlet grilles or other panel removed Otherwise it may lead to injuries Do not operate or stop the unit by using the power supply switch O lt may lead to fire or water leakage If auto restart is set effectively the fan may rotate suddenly causing injuries Do not touch blowout port when the swing louver O moves Otherwise it may lead to injuries Do not strain the remote control cord O A part of core wire may be cut off causing electric leakage remote control If a Vapor generating appliance is used near them it may lead to water drop causing electric leakage or short circuit Do not use water heater etc near the indoor unit or O Do not use the unit where powder or fiber is floating Fine powder or fiber passing through the air filter may stagnate inside the unit and lead to electric leak or short circuit Do not place objects under the unit which must avoid being exposed to water O Over 80 percent humidity or the clogging of drain pipe may damage them through dew dropping E PRECAUTIONS FOR RELOCATION OR REPAIRING A CAUTION Never perform any modification Contact your dealer for repairing O Improper repairing may lead to water leakage electric shock or fire Normally the refrigerant does not leak But
52. mately 10 to 21 C If outside air temperature becomes low the heating efficiency is lowed and the heating becomes difficult Heating Approximately operation 27 C or less Note Operation range may differ depending on models Please check the catalog
53. n be turned on and off independently regardless of the operation of the air conditioner When the ventilator is set to VENTI LINK the ventilator operation will be interlocked with the air conditioner operation VENTILATION OPERATION NOT LINKED WITH UNIT S MITSUBISHI 0 P E RATI 0 N 1 Press Go EY is displayed and the ventilation operation begins Stop Press 21 VENTI button again e If no ventilator is connected no operation can be performed by pressing the ventilation button INVALID OPER is displayed AIR CON No VENTILATION OPERATION LINKED WITH UNIT S OPERATION 1 Press ON OFF button If a ventilator is connected ventilation will operate automatically 2 is displayed Stop Press DON OFF button again e No operation can be performed by pressing the ventilation button CSINVALID OPER is displayed H FOR COMFORTABLE USE Clean the filter frequently The filter should be cleaned when Block direct sunlight and prevent draft the Filter cleaning message Block direct sunlight with blinds and curtains during cooling Close is displayed and at the end of the windows and doors except when ventilation is necessary cooling and heating seasons t See page 14 If the filter is clogged Adjust the airflow properly e The cooling heating capacity will get reduced Moreover it leads Do not expose you
54. ndoor units are connected I If errors have occurred for all the connected air conditioning unit Initially the error display shows the formation of the air conditioning unit whose number is the lowest Errors of other air conditioning unit can be checked with the following procedure A i 4 Press AIR CON No button aa MITSURISHE Enter AIR CON No display mode iTEMP ON OFF J 2 Press A button AIR CON No and error codes are displayed in order from the lowest Press W button to display in the reverse order 2 E ED E T RESET LOUVER VENTI 3 Press DON OFF button Return to the AIR CON of the lowest number I if errors have occurred for some of the connected AIR CON units Only the units for which errors have occurred stop operating The remote control shows the operating units f ul f Press AIR CON No button DR AIR CON No display mode appears J 2 Press A button AIR CON No are displayed in order from the lowest And error codes are displayed on the unit in trouble Press Y button to display in the 1 2 reverse order 3 Press DON OFF button Return to the AIR CON of the lowest number e If OON OFF button is pressed once while errors are displayed the errors display is turned off and return to th
55. on which is disabled at the factory setting Consult your dealer E What is auto restart e When a power failure occurs or the power supply is turned off the function allows the system to automatically resume operation with the remote control setting made set before the power failure when the power supply recovers If the system is stopped before power failure it remains stopped after the power recover e Note that in the following cases it is needed to set again with the remote control Timer setting is cancelled But the sleep timer recovers after power failure recover Weekly timer settings however recover with all days holiday setting And time setting returns to default To return to original setting after time setting execute holiday cancel Louver stops at the horizontal position Make sure to stop the operation before turning off the power supply when the auto restart function is enabled If the power supply is turned off while the system is operating the indoor unit fan will start immediately when the power supply is turned on In addition the outdoor unit starts operating 3 minutes after the power supply is turned on 16 Y SETTING TO DISABLE BUTTON OPERATION lt wired remote controt gt The following button operations can be disabled If the button is pressed M4 NVALI OPER is displayed provided the button is disabled and returns to original display Consult your dealer for I NVALI OPER setting O OO
56. ooling dehumidifying operation If the operation or operation noise is abnormal e f the check indicator light flashes The phenomena mentioned below is not malfunction The air conditioning system Sounds of rustling or gurgling may be heard when the operation is started when the compressor is activated sounds as if water is deactivated during operation or when the operation is stopped These are the sounds of the refrigerant draining from it flowing through the system Sounds of rustling or These sounds can be heard when the air conditioning system is performing automatic control gurgling may be heard from a stopped indoor unit The supply air from the The supply air from the indoor unit may smell bad if the smell of cigarettes cosmetics and or furniture has indoor unit smells bad saturated the air conditioning system White vapor is generated White vapor may be generated during operation if the system is used in environment where oils and fats are from the indoor unit during frequently used such as in restaurants In this case consult the dealer and clean the heat exchanger operation The operation switched to The operation may switch to fan operation automatically in order to avald frost being built up on the surface of fan operation during cooling the heat exchanger The operation will soon return to cooling operation operation The indoor fan does The indoor unit fan may continue operating for 40 seconds in order to remo
57. ou set and the display appears as the left diagram Proceed to MNext setting and Exiting Weekly timer Mode on the right page In case TEMP SFT ON F has been selected SET UP gt is displayed Proceed to step 12 12 Press the temperature setting buttons or SD Press the or the button to increase or decrease by 1 C Set the temperature of operation starting Press the reset button to return to the display TEMP SETON Y 13 Press SET button ON timer setting with start up temperature has been completed The temperature display switches from flashing to lighting stably A _ mark is lit MON gt MON under the day of the week which you set and the display appears as the left diagram Proceed to MWNext setting and Exiting Weekly timer Mode on the right page WNext setting and Exiting Weekly timer Mode After d SELECT is displayed SELECT Ho is displayed 1 Press A or Y button By pressing A or Y button it is possible to choose the item to set fa MITSUBISHI SELECT Ho Y selecting the next timer operation number for the same day of the week 1 DAY SET selecting the next day of the week O OON OFF EMO d Timer mode ends 2 Press SET button In case SELECT Ho Y is selected m SELECT Ho is displayed Repeat step 3 and onward of Weekly timer setting on page 5 TET em In case TIA SET is selected
58. rself directly to the airflow for too long time For to waste of electricity and larger operation noise small animals and plants it is harmful as well e It may cause failure e Dew may form and drop during cooling If you feel cold underneath your feet during heating If the ceiling is so high that the warm airflow does not circulate Do not block the inlet and outlet grilles of the underneath your feet it is recommended to use a circulator indoor and outdoor units Consult your dealer for more detail Excessive load to the unit may cause failure Stop the operation and turn the power supply Keep moderate room temperature off if there are any possibility of lightning Too much cooling or heating is not good for your health It will also strikes during a thunderstorm waste the electricity Lightning strikes may lead to the failure of air conditioning system E INSPECTION DISPLAY FILTER SIGN AIR CONDITIONER NUMBER STANDBY AND ROOM TEMPERATURE DISPLAY lt WIRED REMOTE CONTROL gt E WHEN THE CHECK INDICATOR LIGHT RED FLASHES Error code II The air conditioner stops in the event A LL any trouble occurs At the same time the check indicator light flashes in red and the error code is displayed in the ON timer display area and the following is displayed in the display area T U000 e PROTECT STOP i M Air conditioner number Air conditioner No lit for 2 seconds by turns ERROR display when multiple i
59. self directly to cooled air flow for a long time or cool too much S It may be cause of deconditioning or health disorder Do not insert fingers or sticks into the air inlet or outlet grilles O lt may cause injuries because of the fan rotating at high speed If the unit has been submerged under water due to a natural disaster such as flood or typhoon consult your ED dealer before using it again If you use it as it stands it may lead to failure electric shock or fire If any abnormal symptom scorched flavor etc is found cut off the power and stop the operation OQ Then consult your dealer If you use it as it stands it may lead to failure electric shock or fire One of the causes of poor cooling or poor heating may be refrigerant leakage Please consult your dealer If the repair requires additional refrigerant determine the service with the service staff The refrigerant of air conditioner is not toxic Normally the refrigerant does not leak But if it leaks and contacts fire such as fan heater space heater or cooking heater it may produce toxic chemicals Do not insert fingers or sticks even if air blower does O not operate A CAUTION Do not use for particular purpose such as the storage of food animals and plants precision apparatus and arts etc Storage goods may degrade Do not operate the button with wet hand It may cause electric shock Y
60. six hours beforehand to save harmless Do not place any other electric appliances or household S goods below or around the air conditioner Dripping from the unit may lead to failure or contamination Do not touch the aluminum fin Otherwise it may lead to injuries Do not clean the inside of the indoor unit by yourself Make sure to consult your dealer or user inquiry counter specified by our company If you select incorrect detergent or improper method resin parts may be damaged and lead to water leakage If the detergent is dropped on the electric component or motor it may lead to failure smoking or ignition Do not place objects on the outdoor unit nor mount on it It may lead to injuries resulting from dropping or falling unstable footrest It may lead to injuries resulting from falling During the operation or maintenance do not use an S the switch A lightning strike may lead to failure During thunderstorm stop the operation and turn off e After several seasons of operating inspections and maintenances are required except routine care and cleaning Accumulated dirt or dust inside the indoor unit may cause odor water leakage through the clogging of water discharging pipe for dehumidification Specialized information and skills are required for inspections and maintenances Therefore contact your dealer Do not place any object around the outdoor unit nor allow fal
61. ss the RESET button to return to step 1 display F HOW TO PERFORM THE TIMER OPERATION lt WIRED REMOTE CONTROL gt lt When 4 OFF TIMER is selected gt 5 Press SET button lt mark next to a number is switched to light IN TIMER Y or 9 OFF TIMER 4 is displayed The settings so far are effective and the display changes as shown on the left 6 Press A or Y button Press Y button and Q DFF TIMER k is displayed Press A button and 2 DH TIMER 4 is displayed Select either of the above two Press the RESET button to return to the step 3 display Y Press SET button bo El TIMER is displayed 8 Press A or Y button Set the time Press the RESET button to return to the step 5 display 9 press SET button Time display is switched to light and is fixed In case of OFF timer setting setting process is completed on this step A _ mark is lit MON gt MON under the day of the week which you set and the display appears as the left diagram Proceed to MiNext setting and Exiting Weekly timer Mode on the right page In case of ON timer setting TEMP SET UN is displayed proceed to step 10 10 Press A or Y button Select either TEMP SET UN F or TEMP SET OFF A 1 1 Press SET button In case TEMP SET OFF 4 has been selected ON timer setting process is completed A _ mark is lit MON gt MON under the day of the week which y
62. ss the Timer button and S NVALID OPER is displayed the button can not be operated because the button operation is disabled If you want to make the button effective consult your dealer e If you do not press any button for several minutes after pressing the Timer button Timer mode ends and returns to the original display e If a power failure occurs the specified timer settings will be canceled except Sleep timer Weekly timer setting will return to the condition that all days of the week selected as holidays F HOW TO PERFORM THE TIMER OPERATION SETTING THE TIME Timer operation is performed based on the time of the clock which is set by the following steps Make sure to set the time to the current time correctly lt WIRED REMOTE CONTROL gt 1 Press TIMER button It enters the timer mode Current day of the week and Current time are displayed Y Display area SUN MON TUE WED THU FRI SAT 4 Loom COD O ITEMP ON OFF _ gt CLOCK SET YI 7 2 Press SET button A Ce The display area shows SUN MON TUE WED THU FRI SAT TINER ser FAN SPEED MODE V flashes ED Ly LB a EHE current time GRILL RESET LOUVER VENTI P Zam Zam SET DAY 3 Press A or Y button Align the Y mark above the day of the week to the current day of the week Press A and Y mark to move to the right and the left respectively If you press the RESET button t
63. tarts to operate at the set time It is possible to set temperature at which you want to start the operation One setting results in one operation only OON OFF J 1 0 o TEMP NS A O TINER sit FANSPEED MODE a ly m G ALL RESET VENTI Oene gle W e If you press the OON OFF button while timer mode is operative timer mode is canceled and the display will return to the original display e f you do not press any button for several minutes after entering the timer mode the timer mode ends and returns to the original display e ON timer and either Sleep timer or OFF timer are set together the temperature of ON timer is not displayed e ON timer and either Sleep timer or OFF timer are set together OFF timer or Sleep timer shows preference 1 Press TIMER button 2 Press V button for three times gt CLOGK SET YI gt Ce SLEEP TIMER gt OFF TIMER gt ON TIMER 3 Press SET button EXAMPLE 04M 4 7 flashes do SET TIMER lit 4 Press A or Y button Set the preferred time to start the operation e Set Hour If you press A or Y button for a while Hour display is changed by one hour and stops when you stop pressing e Set Minute If you press A or Y button the display increases or decreases by ten minutes 5 Press SET button ON timer has been set The left display is displayed in the display
64. urrent time are MITSUBISHI displayed th MON TUE WED THU FRI SAT CLOCK SET P ON OFF 2 Press V button for five times 2 GLUCK SET Y y os ED 3 SLEEP TIMERS first press y E E OFF TIMER y SUN TIMER y WEEKLY TIMER y TIMER CANCEL d 3 Press SET button Timer Cancellation Mode begins Y second press AIRCON No CHECK TEST Y third press Y fourth press 2 4 3 5 6 Y fourth press 4 Press A or V button By pressing A or Y button it is possible to choose the item to cancel 3 SLEEP TIMERS o OFF TIMER SN TI NER P WEEKLY TIMER canceling all days of the week If you press the RESET button the remote control will return to the previous screen and display TIMER CANCEL a step 2 above In case SLEEP TIMERS CFF TIMER or 2 0N TIMER was Incase IIFEKL TIMER 4 was selected selected All the Weekly timer setting will be canceled if you proceed the following steps 5 Press SET button To cancel a part of the timer setting please see Canceling The detailed setting of selected timer mode are displayed Weekly timer Mode Setting on page 7 hown below as shown below 5 Press LO SET button But if not set MO SETTING is displayed The settings are displayed as shown belo
65. ve remaining heat in the indoor not stop even when the unit operation is stopped in Do not turn off the power supply until the fan stops heating mode The air conditioning system During the first 3 minutes after stopping operation it is not possible to perform cooling dehumidifying or cannot start operating again heating operation even if the ON OFF button is pressed to indicate operation This is because a circuit for immediately after stopping protecting the compressor is activated the fan is operating during this period No air comes out during During dehumidifying operation the fan speed is automatically controlled in low speed stop cycle in order to dehumidifying operation avoid both drastic temperature drop and humidity rise The airflow volume cannot be changed The swing louver moves The swing louver automatically swings twice when the power supply switch is turned on This is not a trouble without any operation The louver also moves automatically to the horizontal position when PREPARATION OF HEATING is displayed The outdoor unit discharges Water or steam is discharge during defrosting operation which removes frost built up on the surface of the water or steam during heat exchanger in the outdoor unit in heating mode heating operation The outdoor unit fan is not The fan speed is automatically controlled according to the ambient temperature It may be stopped in high running even when the amb
66. w lt Display EXAMPLE when 2 IN TIMER is selected gt But if not set NO SETTING is displayed If you would like to quit cancellation press the RESET button to return to the UN TIMER display step 4 above 6 Press SET button The display of the detailed timer setting is turned off and after the message CANCELLED is displayed for two seconds D SLEEP TIMERS is displayed again step 4 above Repeat steps 4 to 6 to continue canceling timer mode settings e If you press DON OFF button while timer mode is operative timer mode is canceled and the display will return to the original display e If you do not press any button for several minutes after entering the timer mode the timer mode ends and returns to the original display If you would like to quit cancellation press the RESET button to return to the WEEKLY TIMER 4 display step 4 above 6 Press SET button to confimn The day of the week display area turns off and after the message CANCELLED is displayed for two seconds and the display returns to 4 SLEEP TIMER step 4 above By this operation settings for all days of the week are canceled Y Press ON OFF button Timer mode ends SHOW TO OPERATE IN SILENT MODE lt WIRED REMOTE CONTROL gt When the silent mode is set the unit operates more silently reducing noise from the outdoor unit The system applies the silent operation mo
67. with the inspection display light on the indoor unit flashing even though any button on the remote control is pressed Even if the wired remote Is not central controlling or center displayed control is operated central If controlled with a separately purchased center console etc the unit cannot be operated by the remote contro light only flashes control and doesn t operate ld PREPARATION OF HEATING CASES WHEN 2 PREPARATION OF HEATING IS DISPLAYED q PREPARATION OF HEATING is displayed in the remote control display area in the following cases For wireless devices the run check display lamp on the main body display unit will flash green Setting temperature and preparation of heating are displayed on the wired remote control e At Starting Heating Operation In order to prevent cool air from blowing out the airflow into the room may be stopped depending on the room temperature at the start of heating operation please wait for a while and the operation automatically switches to the normal heating operation e At defrost operation during heating operation When frost may easily formed on the outdoor unit the heating operation automatically is stopped both indoor outdoor unit _ stop fan operation for approximately 5 to 10 minutes per hour and defrosting is operated After the defrosting is complete the Aa gt DEFROST operation automatically switches back to the normal operation
68. ype and model name etc e Press the ON OFF button to stay the air conditioner on the stop mode wink out for 1 second Light for 2 seconds IS SHED FROM THE TIMER CHECK INDICATOR LAMP YELLOW Clean the filter ts See page 14 e When cumulative running time reaches 120 hours long flashing light light for 2 seconds wink out for 1 second is shed from the timer check indicator lamp yellow e After cleaning of filter press the FILTER button on the remote control to turn off the filter cleaning sign Press the button for one second or more 13 E BACKUP BUTTON In time of battery exhausted lost trouble of remote control the air conditioner can be operated with the BACKUP button on the indoor unit display part I Ceiling suspended FDE I Ceiling cassette 4 way FDT Backup button Ceiling cassette 4 way Compact 600x600mm FDTC Edag Backup button In case of FDE FDT FDTC ON OFF MPress backup button and leave it untouched for two seconds The operation starts EPress it again to stop the opearation MSETTING OPERATION MODE AUTO FAN SPEED iiinis HI TIMER cocer No setting SET TEN cee eee 23 C AUTO SWING STOP HORIZONTAL 14 E HOW TO MAINTAIN Clean the filter frequently for economical operation Caution Before cleaning stop the operation and turn off the power supply Otherwise it may lead to injury as fan inside rotates at high speed
69. ys In case press the RESET button the remote control will return to the previous screen and display HOLIDAY SET 3 Press SET button The W mark above the day of the week switches from flashing to lighting stably the day set as a holiday is lit with and the following is displayed y SUN MON TUE WED THU FRI SAT lit HOLIDAY SET DK lit for two seconds y v SUN MON TUE WED THU FRI SAT lit ds SET DAY lit After the holiday setting has been completed the remote control returns to step 1 Repeat step 2 and 3 to continue setting further holidays If you set a day of the week for which no timer operation is set HO SETTING is displayed for two seconds and the display returns to the one shown in step 1 Press DON OFF button Timer mode ends In the Weekly timer mode select and set HOLIDAY SET t See Selecting Weekly timer setting step 1 to 5 on page 5 Press A or Y button Move the Y mark displayed above the day of week to the day on which you want to cancel Holiday setting Select a day of the week that has been set as holiday Press SET button display is turned off and the following is displayed Vv SUN MON TUE WED THU FRI SAT lit HOLI DAY CANCEL gt lit for two seconds y Vv SUN MON TUE WED THU FRI SAT lit dos SET DAY gt it After the holiday setting has been canceled the remote control returns to step 1 Rep

user`s manual mitsubishi heavy industries ltd. packaged air conditioner

Contents

Download Pdf Manuals

Related Search

Related Contents