USER`S MANUAL
Contents
1. 17 Cooling heating is affected by an air filter clogged up with dust etc and the operation noise becomes louder It may also use extra electricity Please clean the air filter at appropriate intervals At the end of the season At the beginning of the season Perform the fan operation for a half day Make sure that there are no obstacles blocking the airflow around the air intake and outlet openings of Dry the inside of the unit the indoor and outdoor units Check if there is no corrosion or rust on the base frame of the outdoor unit Stop the unit and turn off the power supply The unit consumes appr 2W even when the unit is not operating Ensure that the earth wiring is not snapped nor Turning off the power supply will help saving energy consumption and cost disconnected Clean and reinstall the air filters Ensure that the air filters are clean Clean both the indoor and outdoor units Turn on the power supply Remove batteries from the remote control Insert batteries in the remote control 1 Open the air inlet panel and remove the air filters CP Page 17 2 Remove the filter holders with the air cleaning filter installed in the folders from the air conditioner Remove the allergen clear filter Light orange from filter holder and inspect the filter Use a vacuum cleaner to remove an2. Outdoor heat exchanger fluid pipe sensor error Broken heat exchanger fluid pipe sensor wire poor connector connection 4 time flash Discharge pipe sensor error Broken discharge pipe sensor wire poor connector connection 5 time flash Suction pipe sensor error Broken suction pipe sensor wire poor connector connection 1 time flash Current cut Compressor locking open phase on compressor output shortcircuit on power transistor closed service valve 2 time flash Trouble of outdoor unit Broken power transistor broken compressor wire Broken discharge pipe sensor wire poor connector connection Compressor blockage 3 time flash Over current Overload operation overcharge 4 time flash RUN light ON Power transistor error Broken power transistor 5 time flash Over heat of compressor Gas shortage defective discharge pipe sensor closed service valve 6 time flash Error of signal transmission Defective power supply Broken signal wire defective in outdoor unit boards 7 time flash Outdoor fan motor error Defective fan motor poor connector connection RUN light 2 time flash Keep flashing Cooling high pressure protection Gas over charge short circuit of outdoor unit 2 time fla
3. Powerful operation with high capacity Standard operation Energy saving operation When changing FAN SPEED from HI to LO the sound of refrigerant flowing may be heard COOL HEAT DRY FAN mode operation Point the remote control toward the air conditioner and Press the MODE select button MITSUBISHI HEAVY INDUSTRIES LTD Move the B mark to the required operation position 3k Cool 0 Heat Dry Fan E 1 Press the ON OFF button HI POWER Press the TEMP button ECONO TEMP AIRFLOW N Press or button for the preferred temperature Standard ce Ic 4 Press the FAN SPEED button Sp SLEEP CANCEL ALLERGEN CLEAN 44 ACL Set the fan speed as preferred Press the ON OFF button In case air is not blown out when starting the heating operation F Page20 The operation program can also be set or changed when the air conditioner is not in operation Air conditioner operable temperature setting W Use within the following operational range Operating outside of this range may result in the protection devices being activated preventing the unit from working Cooling operation Heating operation Outside temperature Approximately 15 to 46 C Approximately 15 to 21 C Inside temperature Approximately 18 to 32 C Approximately 15 to 30 C Below approximately 80 The long term use of the unit with a hum
4. CLEAN operation is not operated after HEAT and FAN OFF TIMER SLEEP O and ALLERGEN CLEAR operations have finished The indoor unit fan runs for about two hours in CLEAN operation i9 oN TES jf OFF MUI NA Ser The RUN light illuminates during CLEAN operation SLEEP CANCEL ALLERGEN 3 sec pg en ACL ON Eu NoD 1 OFF 1 sec Pressing the SLEEP button or ALLERGEN CLEAR button during CLEAN op eration cancels the CLEAN operation and then the unit is set to SLEEP or ALLERGEN CLEAR operation This is not a function for removing mold germs or grime that have already ad hered to the unit Auto restart function W What is auto restart function Auto restart function records the operational status of the air conditioner immediately prior to be switched off by a power cut and then automatically resumes operations after the power has been restored The following settings will be cancelled D Timer settings 2 HIGH POWER operations Auto restart function is set at on when the air conditioner is shipped from the factory Consult with your dealer if this function needs to be switched off When power failure occurs the timer setting is cancelled Once power is resumed set the timer again Tips for effective operation W Please observe the following for the most economic and comfortable use of your unit Set a suitable room temperature Clean the filters frequently Avoid direct
5. Set to 10 30 HI POWER Press the ON OFF button eOPECONO TEMP AIRFLOW The display changes from blinking to steady lighting and the setting is complete Make sure to press the button within 60 seconds from the last operation in step 2 otherwise the time is not set SLEEP CANCEL Es coco CLEAN d f The timer operation works based on the time clock so please set it correctly The remote control data is reset when the present time is set AUTO mode operation W Automatically selects the operation mode COOL HEAT DRY depending on the room temperature when switched on MITSUBISHI HEAVY INDUSTRIES LTD AK i 2 z HI POWER 9 ECONO TEMP ARRFLOW the operation In case air is not blowing out during Page 20 When the included clean filter is in stalled the air conditioner will clean When the unit is not in AUTO mode Press MODE button Move the m mark to the Auto position Point the remote control toward the air conditioner and Press the ON OFF button Press the ON OFF button AUTO mode can be operated by simply pressing the ON OFF button the air during automatic operation air conditioner is turned off The current time and preset OPERA TION MODE are displayed while the If you do not want the AUTO mode program change to COOL HEAT DRY or FAN instead of AUTO CP Page 9 Airflow direction
6. This will prevent the outer air inlet panel from suddenly opening which can occur without support from the thumbs as seen in the picture on the right Proper finger placement can be seen in the picture on the left The outer air inlet panel will automatically shut about 5 seconds after you shut the inner air inlet panel if the unit is plugged in Please do not shut forcibly Doing so will likely damage the unit Please do not wash the air inlet panel Removal installation of air inlet panel Removal installation of air inlet top panel The outer air inlet panel Removal Removal I When removing the air inlet panel for internal cleaning or others open the Remove the air inlet panel D Hold the handle of the air inlet top panel and panel by 80 degrees and then pull it forward lift up until you hear a click and the tabs come out Pull the panel towards you Installation Secure the upper edge of the air inlet panel by lightly pushing it in and then Installation close the panel Align the air inlet top panel with the rail and slide the panel towards the back until in strikes the end Push the panel in until you hear a click and the tabs lock into place To install the air inlet top panel Follow the opposite of the removal procedure
7. Heat exchanger z E 6 ER NM a Air blows out of here Indoor unit fan Left right airflow direction adjustment louver Drain hose Drains water from the indoor unit Refrigerant piping connection and electric wire Air Inlet top panel vu E oa On side amp rear surface Outdoor unit fan Heat exchanger l AB l Name of each part and its function Unit display section Unit ON OFF button This button can be used for turning on off the unit when remote control is not available CP Page 6 Remote control signal receiver RUN HOT KEEP light green blue lluminates during operation green except ECONO operation blue ECONO operation Blinks when airflow stops due to the HOT KEEP and CLEAN operation ON OFF 1 5 sec TimER vere FY HI POWER 20 OFF ci 3 sec O CLEAN operation 3D AUTO light green Illuminates during 3D AUTO operation HI POWER light green Illuminates during HIGH POWER operation Illuminates during TIMER operation Accessories Allergen clear filter K Light orange Battery R03 AAA Micro x2 3 Wireless remote control Wireless remote Photocatalytic washable Wood screw Quantity 2 control ho
8. Press the CJ or button Every time the J button is pressed the display is switched in the order of 0 00 0 10 90 20 gt 1 00 gt 1 10 Units of ten minutes Every time the V button is pressed the display is switched in the order of 0 00 23 50 23 40 gt 23 00 22 50 Units of ten minutes Set at 22 30 Press the OFF TIMER button The display changes from blinking to steady lighting and the setting is complete The timer light yellow is on The unit stops at the end of the set period of time Make sure to press the button within 60 seconds from the last operation in step 3 otherwise the setting is not completed The current time is not displayed during OFF TIMER operation OFF TIMER operation will not function during ALLERGEN CLEAR operation Different from SLEEP TIMER operation automatic set temperature adjustment is not done during OFF TIMER operation ON TIMER operation W Operation starts 5 to 60 minutes before the set time so that the room temperature reaches the optimum temperature at the set time r Page 13 ON TIMER operation can be set regardless of whether the air conditioner is running or not TSUBISHI MITS HEAVY INDUSTRIES LTD 2 H POWER eS ECONO TEMP AIR FLOW OFF ite _ SLEEP CANCEL AG LERGEN CLEAN ACL Changing of set time Set a new time by using the ON TIMER button How to cancel Press the CANCEL butto
9. Contact your dealer to have the remote control Replace the batteries with new ones and retry the operation checked Temporary run operation The unit ON OFF button on the unit operates ON OFF temporarily when the remote control is not used Operation program OPERATION MODE AUTO FAN SPEED AUTO AIR FLOW AUTO Operation starts by pressing the unit ON OFF button it stops if you press the button again Unit ON OFF button Do not hold the Unit ON OFF button down for more than 5 seconds Holding it down longer than 5 seconds sets the automatic cooling used during servicing or when relocating the air conditioner Operation and display section for remote control Operation section Each time the button is pressed the Im display is switched over in turn CP Page 8 HI POWER ECONO button This button changes the HIGH POWER ECONOMY mode CP Page 14 TEMPERATURE button These buttons set the room temperature These buttons are used for setting the current time and timer function as well ON TIMER button ON D This button selects ON TIMER operation r Page 12 SLEEP button This button selects SLEEP operation F Page 11 CLEAN switch This switch selects the CLEAN mode C Page 15 CANCEL button This button cancels the ON timer OFF timer and SLEEP operation Transmission procedure The above illustration shows all controls but in prac
10. adjustment procedure CP Page 10 W Air temperature adjustment is possible even during automatic operation There are 6 levels of adjustment possible with the button or the button During automatic operation 24 C is preset both for heating and cooling a MITSUBL HEAVY INDUSTRIE aE E exer c ECONO TE AIR FLOW CANCEL hy SLEEP ALLERGEN CLEAN 4 ACL W You can choose the capacity of your air conditioner when heating mode cooling mode or fan mode Operation capacity by your choice FAN SPEED When a change in temperature is required Press the 7 or button When it is a little cold Press the button W Each time the button is pressed the switch over occurs in the following order 6 5 ee 1 gt 40 gt l 6 When 6 is indicated even if the button is pressed the indicator does not change E When it is a little hot Press the button W Each time the 2 button is pressed the switch over occurs in the following order 46 45 uuu 1 gt 0 gt 1 Remote Control display Setting 6 5 4 3 2 1 0 1 2 temp C 18 19 22 23 24 25 26 3 27 4 28 5 29 6 30 Press the FAN SPEED button Move the I mark to the preferred fan speed position Set automatically by microcomputer E AUTO HI MED LO
11. du du s 4 i lt Flap stopped Swing Change on AIRFLOW UP DOWN mode Left right direction can be adjusted with the AIRFLOW LEFT RIGHT button on the remote control Every time you press this button the mode changes as follows Change on AIRFLOW LEFT RIGHT mode J J J 0744 4 l AA A V Louver stopped ps Lbs 4M 70 vat i NN NOTE FOR HEATING OPERATION Swing When operation starts the flap and louver direction is fixed at the horizontal center position in order to avoid cold draft and return to the set the position that was set after the warm air supply is starting The flap and louver direction will be controlled to the horizontal center position when the room temperature reaches the set temperature and compressor stops or when defrosting is in operation The airflow direction cannot be set during the period mentioned above Change the airflow direction settings after the warm air is supplied and the flap louver goes to the set position MEMORY FLAP FLAP OR LOUVER STOPPED When you press the AIRFLOW UP DOWN or LEFT RIGHT button once while the flap or louver is operating it stops swinging at the position Since this angle is memorized in the microcomputer the flap or louver will automatically be set at this angle when the next operation is started Recommended angle of the flap when stopping A DANGER Do not expose directory to airflow from the air conditioner for a long time Jf Slant forw
12. it is required to stop after 3 hours and then start operation at 8 00 near the set temperature B SLEEP TIMER setting Set by the procedures on page 11 Set to Jh E ON TIMER operation setting Set by the above procedure mentioned in ON TIMER Set to ON AA LILI The setting of the lighting of the timer light yellow of this unit is complete After the SLEEP TIMER set time has elapsed the operation stops and it starts from 5 to 60 minutes before the ON TIMER s set time The timer light is turned off when ON TIMER set time comes How to cancel Press the CANCEL button to turn off the timer display 12 PROGRAM TIMER operation W The timer operations of the combination of ON and OFF TIMER Once this has been set the timer operations will be repeated at the same time every day unless the ON OFF button is pressed MITSUBISHI A HEAVY INDUSTRIES LTD 2 HI POWER 9 ECONO TEMP AIR FLOW lt gt m O on SR OFF 3D TIMER J Aut u 0 0 SLEEP CANCEL ALLERGEN CLEAN ACL Comfort Start up In ON TIMER operation the unit starts the operation a little earlier so that the room can approach optimum temperature at ON time This is so called Comfort start up Mechanism The room temperature is checked 60 minutes before the ON time Depending on the temperature at that time the operation starts 5 to 60 minutes before the timer is at
13. to avoid an excessive cooling or heating The unit operates 1 5 C higher than the setting temperature during cooling or 2 5 C lower than that during heating The remote control ecop displays and the FAN SPEED display disappears Gk It will go into ECONOMY operation at the next time the air condi When the following operations are set ECONOMY operation will tioner runs in the following case be canceled D When the air conditioner is stopped by ON OFF button during When the HI POWER ECONO button is pressed again ECONOMY operation When the operation mode is changed DRY to FAN When the air conditioner is stopped in SLEEP or OFF Not operable while the air conditioner is OFF TIMER operation during ECONOMY operation 3 When the operation is retrieved from CLEAN or ALLERGEN CLEAR operation 14 SELF CLEAN operation W CLEAN operation should be run after AUTO COOL and DRY operation to remove the moisture from inside the indoor unit and control the growth of mold and bacteria In order to active CLEAN operation press the CLEAN switch mitsuBIS i with the tip ofa ballpoint pen AW HEAVY INDUSTRIES LTD Every time the CLEAN switch is pressed the display is switched in the order of No display CLEAN on CLEAN off ti eg TEMP I T ECONO yale Two hours later the air conditioner stops running automatically To stop the air conditioner immediately press the ON OFF button
14. unit do not attempt to do by yourself The use of a non approved detergent or improper washing method may damage the unit s plastic compo nents and cause leaks Damage smoke or fire may also happen if the detergent comes in contact with electrical parts or the unit s motor A DANGER Consult your dealer for repairs Wrong repairs could cause an electric shock fire etc In case the air conditioner is relocated elsewhere contact your dealer or a professional fitter Faulty installation may cause water leakage electric shock fire etc If the air conditioner fails to cool or warm the room it may have a refrigerant leakage Contact your dealer If refrigerant needs to be added check with your dealer for proper instructions The refrigerant used in your air conditioner is safe However if refrigerant unexpectedly leaks from the unit onto a fan heater stove hotplate or other heat source harmful gases could be generated If you notice anything abnormal smell of burning etc stop the system turn off the power supply and consult your dealer Continued use of the system in ab normal circumstances may result in malfunctioning electric shock fire etc Name of each part and its function INDOOR UNIT Air Inlet panel Draws the indoor air CP Page 17 Removes dust or dirt from the inlet air Air cleaning filter Room temperature sensor
15. ON The function is available for both COOL and HEAT operation mode including AUTO It does not work for DRY mode Qs AUTO fF CANCEL e SLEEP ALLERGEN CLEAN 4 ACL gt In COOL operation lt Stop Operation starts Operation Set temperature Check the room Set time temp 60 mins before Example When it is prefered to stop at 22 30 and then start operation at 8 00 near the set temperature E OFF TIMER operation setting OFF ge 3l Set by the procedures on page 11 Set to W ON TIMER operation setting Oy mm LILI Set by the procedures on page 12 Set to Timer light yellow on the unit will light when the setting is completed The set time will be displayed on the remote control unit The display will change depending on the operational status o OFF AA LILI With ON TIMER the air conditioner starts running Then with OFF TIMER the air conditioner stops running On oFF With OFF TIMER the air conditioner stops running Then ce Jl with ON TIMER the air conditioner starts running Changing of set time Set a new time by using the OFF TIMER or ON TIMER button How to cancel Press the CANCEL button to turn off the timer display SLEEP TIMER When SLEEP TIMER is selected the set temperature is automatically adjusted after a while ensuring that the room is not too cold during coolin
16. USER S MANUAL MITSUBISHI HEAVY INDUSTRIES LTD AIR CONDITIONER SRK20ZIX S SRK25ZIX S SRKS35ZIX S SRK50ZIX S SRK60ZIX S MANUEL DE L UTILISATEUR CLIMATISEUR ANWENDERHANDBUCH KLIMAGERAT ISTRUZIONI PER LUSO CONDIZIONATORE D ARIA MANUAL DEL PROPIETARIO ACONDICIONADOR DE AIRE GEBRUIKERSHANDLEIDING AIRCONDITIONING MANUAL DO UTILIZADOR APARELHO DE AR CONDICIONADO OAHMIES XPHZH2 KAIMATIZTIKO PVKOBOJICTBO MO OKCIIIYATALINN Cc This air conditioner complies with EMC Directive 2004 108 EC LV Directive 2006 95 EC Ce climatiseur est conforme la Directive EMC 2004 108 EC LV Directive 2006 95 EC Dieses Kimager t erf llt die EMC Direktiven 2004 108 EC LV Direktiven 2006 95 EC Questo condizionatore d aria conforme alla Direttiva EMC 2004 108 EC LV Direttiva 2006 95 EC KOHAMLIAOHEP BO3HyXA KULLANIM KILAVUZU SPLIT KLIMA Este acondicionador de aire cumple con la directiva EMC 2004 108 EC LV Directiva 2006 95 EC Deze airconditioner voldoet aan EMC Directive 2004 108 EC LV Directive 2006 95 EC Este aparelho de ar condicionado esta em conformidade com a Directiva EMC 2004 108 EC e a Directiva LV 2006 95 EC NEDERLANDS PORTUGUES RKY012A006 Thank you for purchasing a MITSUBISHI HEAVY INDUSTRIES LTD Air Conditioner To get the best long lasting performance please read and follow this User s Manual carefully before using your air con
17. ard AN CAUTION 4l blowing When in COOL or DRY operation do not operate for a long period with the airflow blowing straight down Otherwise condensation may appear on the outlet grill and drip down ARV Horizontal Do not try to adjust the flaps and louvers by hand as the control angle may change or the flap or louver may not be closed completely blowing 3D AUTO operation W Fan speed and air flow direction are automatically controlled allowing the entire room to be efficiently conditioned Press the ON OFF button MITSUBISHI HEAVY INDUSTRIES LTD Press the 3D AUTO button Each time the 3D AUTO button is pressed the indicator is switched in the order of 3DAUTO Q No indication 3D AUTO Normal operation Releasing procedure Press the 3D AUTO button to turn off the 3D AUTO indicator 3D AUTO operation is cancelled when you switch the operation program SLEEP CANCEL ALERGEN The 3D AUTO light illuminates during 3D AUTO operation CLEAN 4 ACL If 3D AUTO operation is cancelled then the air flow direction changes to that used before 3D AUTO was set 10 SLEEP TIMER operation W The unit stops automatically after the set time lapses The set temperature is automatically adjusted according to the elapsed time in order to avoid too much cooling or heating C Page 13 MITSUB A HEAVY INDUSTRI HI POWER e ECONO TEMP AIRFLOW
18. ctly at your local community waste l collection or the recycling center L contents Safety precautions 2 OFF TIMER operation Name of each part and its function 4 ON TIMER operation Remote control handling 6 SLEEP TIMER ON TIMER operation Operation failure with the remote control 6 PROGRAM TIMER operation Temporary run operation 6 ALLERGEN CLEAR operation Operation and display section for remote HIGH POWER ECONOMY operation aemula ato a NE 7 SELF CLEAN operation Current time setting 7 Auto restart function AUTO mode operation 8 Tips for effective operation Temperature adjustment during AUTO 8 Installation location setting FAN SPEED a ansa n aT aan MA nias MaIntendne asa u a uu huu aa COOL HEAT DRY FAN mode operation 9 Proper installation Air conditioner operable Troubleshooting temperature setting 9 INGOUGE usu maiaa asua u fe gode iat Characteristics o
19. d is printed on the battery This may be shorter due to manufacturering time to the unit However the battery may still be in working order after expiry of its nominal life 2 Insert new batteries R03 AAA Micro x2 Pay attention to the and W When the display shows any abnormal condition Press the ACL switch with the tip of a ballpoint pen Using the remote control holder The remote control can be attached to a wall or pillar by using a remote control holder Before installing the remote control check that the air conditioner receives the signals Press the ACL switch with the properly tip of a ballpoint pen For installing or removing the remote control move it up or The timer setting mode is displayed down in the holder Cr Page 7 Warning note for remote control handling O Strictly prohibited Do not go near high temperature Donotleave the remote control ex Do not drop the remote control places such as an electric carpet posed to direct sunlight or other Handle with care or stove strong lighting Do not put any obstructing obsta Do not spill any liquid on the Do not place heavy objects on the cles between the remote control remote control remote control or step on it and the unit Operation failure with the remote control Are the batteries running down If the operation fails operate the unit with a i ste temporary operation function r Replacing the batteries above
20. dealer or a qualified pro fessional I If used in severer environments such as an engineering It is not advisable to install the system by yourself as faulty workplace the equipment may function poorly handling may cause leakage of water electric shock or fire I I I ZN CAUTION Do not install it where flammable gas may leak Depending on the place of installation an earth leakage breaker may be necessary If you do not install an earth leakage breaker you may get an electric shock Gas leaks may cause fire Make sure to install the drain hose properly so that all the water is drained out Make sure that the system has been properly earthed Earth cables should never be connected to a gas pipe water pipe lightning conductor or telephone earth cable Incorrect installa tion of the earth cable may produce an electric shock Improper installation may lead to water drop in the room resulting in wet furniture I OPERATION PRECAUTIONS N DANGER Do not expose yourself to the cooling Do not insert anything into the air inlet Store the remote control out of reach air for a long period of infants I I This could affect your physical condi This may cause injury as the inter Failure to observe this may result in tion and cause health problems nal fan rotates at high speed the batteries being swallowed or other accidents A CAUTION Only use approved fuses Do not handle the switc
21. ditioner After reading please store the Manual in a safe place and refer to it for operational questions or in the event of any irregularities This air conditioner is intended for domestic use 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 i u T a DA asa a Chk NER m ERE l Your Air Conditioning product may be marked with this symbol It means l l pe that waste electrical and electronic equipment WEEE as in directive 2002 l 96 EC should not be mixed with general household waste Air conditioners l amm should be treated at an authorized treatment facility for re use recycling l l and recovery and not be disposed of in the municipal waste stream Please contact the installer or local authority for more information s Vr m p a a n a r This symbol printed in the batteries attached to your Air Conditioning I product is information for end users according to the EU directive 2006 66 I EC article 20 annex Il Batteries at their end of life should be disposed of separately from general l household waste If a chemical symbol is printed beneath the symbol shown above this chemical symbol means that the batteries contain a l heavy metal at a certain concentration This will be indicated as follows l Hg mercury 0 0005 Cd cadmium 0 002 Pb lead 0 004 Please dispose of batteries corre
22. f HEAT mode operation 9 Contact your dealer Airflow direction adjustment 10 About the Multiple Air conditioner 3D AUTO operation 10 Self diagnosis function SLEEP TIMER operation 11 Safety precautions Before starting to use the system please read these Safety precautions carefully to ensure proper operation of the system The safety precautions are classified as ZA DANGER and A CAUTION Precautions as shown in the column DANGER indicate that improper handling could lead to drastic result like death serious injury etc Even precautions as shown in the column Z 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 rea Observe instructions with S Strictly prohibited Q great care Provide proper earthing When you have read this instruction manual please keep it without missing If someone else takes over as operator make certain that the manual is also passed on to the new operator E INSTALLATION PRECAUTIONS Z DANGER The system is for domestic residential etc use i The system must be installed by your
23. g or too warm during heating During cooling the preset temperature is lowered by 1 C at the start of SLEEP operation when the timer is set After that the temperature goes up by 1 C every an hour to become 1 C higher than the present temperature During heating Preset temperature is lowered by 1 C at the start of SLEEP operation when the timer is set After that the temperature to becomes 3 C lower in an hour and 6 C lower in two hours than the present temperature W The power of enzymes is used to eliminate allergy causing allergens that accumulate on the allergen clear filter Aim the remote control at the air conditioner Press the ALLERGEN CLEAR button Press the ON OFF or ALLERGEN CLEAR button Since the room temperature may change quite a bit it is recommended that this be used when no one is in the room It completes automatically in approxi mately 90 min During ALLERGEN CLEAR operation temperature fan speed airflow direc tion and timer operations settings cannot be made 13 HIGH POWER ECONOMY operation If the air conditioner is not operating point the remote control toward the air conditioner and Press the ON OFF button Press the HI POWER ECONO button When the operating mode is AUTO COOL or HEAT 4 Every time the HI POWER ECONO button is pressed the display is switched in the order of e co No display HIGH POWER ECONOMY Normal operation When t
24. he operating mode is DRY or PROGRAM TIMER Every time the HI POWER ECONO button is pressed the display is switched in the order of H POWER e ECONO TEMP AIR FLOW lt gt OS e O o ayo ro SLEEP CANCEL AG TERGEN r n r eo No display CLEAN 4 ACL 2 ECONOMY Normal operation Concerning HIGH POWER operation Pressing the HI POWER ECONO button intensifies the operating power and initiates powerful cooling or heating operation for 15 minutes continuously The remote control eo displays and the FAN SPEED display disappears Gk During the HIGH POWER operation the room temperature is not When the following operations are set HIGH POWER operation controlled When it causes an excessive cooling or heating press will be canceled the HI POWER ECONO button again to cancel the HIGH D When the HI POWER ECONO button is pressed again POWER operation 2 When the operation mode is changed HIGH POWER operation is not available during the DRY the G When it has been 15 min since HIGH POWER operation program timer and 3D AUTO operations has started When HIGH POWER operation is set after ON TIMER operation 4 When the 3D AUTO button is pressed HIGH POWER operation will start from the set time Not operable while the air conditioner is OFF Concerning ECONOMY operation Pressing the HI POWER ECONO button initiates a soft operation with the power suppressed in order
25. hes with wet Do not swing from the indoor unit hands I I Use of steel or copper wire instead of This may cause an electric shock If the indoor unit falls down an approved fuse is strictly I you may get injured prohibited as it may cause a break down or fire Do not place a flammable insecticide or You should not expose any combus Do not wash the air conditioner with wa paint spray near the blower nor spray it tion appliance directly to the air ter directly on the system stream of the air conditioner This may result in a fire The appliance may then work inad This could cause an electric shock equately I Safety precautions A CAUTION The system should only be used for its original purpose and not for anything else like for instance preservation of food plants or animals precision devices or works of art 9 Do not sit on the outdoor unit nor put anything on it 9 Do not place household electrical appli ances or household items under neath the indoor or outdoor units 9 When you clean the system stop the unit and turn off the power supply Stop the unit and turn off the power if you hear thunder or there is a danger of lightning The system is only intended for use in ordinary domestic rooms Any other use of the system may damage the quality of food etc If the unit falls down or things drop off it people could get hurt Condensation falling from the unit may sta
26. idity level exceeding 80 may result in condensation forming on the surface of the indoor unit leading to water drips Inside humidity Characteristics of HEAT mode operation Mechanism and capacity of HEAT mode operation E Mechanism Theunit draws heat from the cold outside air transfers it to indoors and heats the room As a characteristic of heat pump system the heating capacity reduces when the outside air temperature gets colder t may take some time to supply hot air after turning on the air conditioner If the outside temperature becomes extremely low it would be better to use an additional source of heating Defrosting If the outside temperature becomes low and humidity is high the heat exchanger in the outdoor unit may frost over which prevents efficient heating If this happens the automatic defrost function is activated and during defrosting the heating operation stops for 5 to 15 minutes during defrosting Both indoor and outdoor fans stop and the RUN light blinks slowly 1 5 sec ON 0 5 sec OFF during defrosting The outdoor unit may give off some steam during defrosting This is to help the defrosting process and is not a defect The HEAT operation resumes as soon as defrosting has been completed 9 Airflow direction adjustment W Up down direction can be adjusted with the AIRFLOW UP DOWN button on the remote control Every time you press this button the mode changes as follows m
27. in objects and cause accidents or electrical shock Never open the panel while the internal fan is rotating It may damage the unit Do not place anything containing wa ter like vases on top of the unit Water entering the unit could dam age the insulation and therefore cause an electric shock After a long period of use check the unit s support structure from time to time If you do not repair any damage right away the unit may fall down and cause personal injury If you operate the system together with a combustion appliance you must regularly ventilate the indoor air e Insufficient ventilation may cause accidents due to oxygen deficiency Do not place objects near the outdoor unit or allow leaves to gather around the unit If there are objects or leaves around the outdoor unit small animals may enter unit and contact electri cal parts and may cause a break down smoke or fire I PRECAUTIONS FOR RELOCATION OR REPAIRS Do not install the system where the airflow direction is aimed directly at plants or animals This will damage their health Do not touch the aluminum fins on the air heat exchanger It may result in injury Stand firmly on a stepladder or other stable object when removing the inlet panel and filters Failure to observe this may result in injury through insecure objects top pling over Contact your dealer to clean inside the indoor
28. is operated for a long time in high humidity moisture may form on the air outlet grills and start dripping Whistling noise is heard from the outdoor unit The noise means that the revolution speed of the compressor is increasing or decreasing Fan won t stop immediately after unit operation was stopped RUN light stays on even though operation was stopped Indoor fan Fan will not stop after 2 hours if set to CLEAN operation Outdoor fan Fan will not stop about a 1 minute period in order to protect the unit The RUN light illuminates during CLEAN operation Run light turns off when CLEAN operation ends Contact your dealer W Turn off the power switch immediately and inform your dealer in any of the following situations The fuse or switch blows continu The cable becomes extremely hot ously The covering of the cable is cracked f A CAUTION Fuse often blows MITES If the power cord becomes damaged ask your dealer or a qualified engineer to install the replacement to avoid accidents The TV radio or other equipment A switch does not activate properly You hear a strange noise during opera starts to malfunction P tion Y s Em SA When abnormalities occur turn off the power supply The RUN and TIMER lights on the unit display section blink immediately and turn it on after 3 minutes Restart the quickly 0 5 sec ON 0 5 sec OFF and do not work operation with ON OFF butto
29. lder deodorizing filter Orange for remote control holder mounting A CAUTION Do not touch the air inlet panel while it is operating The air inlet panel opens up while the system is operating Please do not install the unit in a fashion in which the air inlet panel cannot open or place objects near the indoor unit Buzzer sound for remote control When preset temperature 24 C automatic operation and automatic airflow are selected the buzzer sound PiPi is produced When turning off the air conditioner by pressing ON OFF button except CLEAN mode the buzzer sound Pi is produced This function is useful for operating the air conditioner in the darkness Air flow setting Preset temperature MED gt LO gt AUTO gt H de 2 e MM lt 05 2 05 PI PI PI PI PIPI PI PIPI PI PI Remote control handling The following cases signify exhausted batteries Replace old batteries with new ones Receiving beep is not emitted when a signal is transmitted Display fades away Xx 1 Pull out the cover and take out old batteries Do not use old and new batteries together Remove the batteries when the remote control is not used for a long period The recommended effective period of a battery conforming to JIS or IEC should be 6 to 12 months with normal use If used longer or when an unspecified battery is used liquid may leak from the battery causing the remote control to malfunction The recommendable effective perio
30. lown fuse Did you leave any doors or windows open Is there any direct sunlight en tering the room Is there a heat source in the room SA ju e lt ZS E Are there too many people in the room exists after you have consulted page 20 or if things happen as shown on page 21 switch off the power and contact your dealer nons EUR MORAL c CC CINE An alternative refrigerant R410A is used in this air conditioner When asking your dealer for service or inspection and maintenance explain the dealer about it L ae eee eee ee ee ee o a l 19 The unit does not restart immediately after you have stopped it RUN light is on Not operating Restart is blocked for 3 minutes after you have stopped the operation to protect the unit Please wait for three minutes The three minute protection timer in the microcomputer automatically starts it up again x s Airflow is not blown out when starting the HEATING operation RUN light blinks slowly 1 5 sec ON 0 5 sec OFF Airflow has stopped to prevent blowing out of cold air until the indoor heat exchanger has warmed up 2 to 5 min HOT KEEP program Airflow is not blown out for 5 to 10 min or blown out not warm wind for a moment at HEATING operation RUN light blinks slowly 1 5 sec ON 0 5 sec OFF When outdoor temperature is low and humidity is high the unit some times
31. lt gt TI IS op SLEEP CANCEL ALLERGEN CLEAN ACL Changing of set time Press the SLEEP button W If it is pressed while the unit is off SLEEP TIMER operation starts with the previous operation settings and the air conditioning is turned off after the set time elapses E If it is pressed while the unit is running The air conditioner is turned off after the set time elapses Every time the button is pressed the display changes as follows G G ls a p Ja Units of one hour No indication a 2 cancelled LIP qu Example You prefer it to stop after 7 hours G Set to la 4 The timer light yellow is on The unit stops after the set time lapses Set a new time by pressing SLEEP button SLEEP operation will not function during ALLERGEN CLEAR operation Cannot be set at the same time with OFF TIMER W The unit stops automatically when the set time comes With the air conditioner turned off start the operation from Step 1 With the air conditioner running start from Step 2 WoO me HI POWER eoPECONO TEMP ARFLOW a SLEEP CANCEL cmm ramcn CLEAN Changing of set time Set a new time by using the OFF TIMER button How to cancel Press the CANCEL button to turn off the timer display CV CJ Example You prefer it to stop 22 30 Press the ON OFF button Press the OFF TIMER button OFF TIMER display OFF is blinking
32. n of the remote control and the abnormalities still continue The air conditioners cannot be in different operating modes at the same time such as one unit being in the Cool mode and one unit being in the Heat mode When conducting different operations the air conditioner that was operated first will be given priority so the air conditioner that is operated after that will conduct air blowing operation When you want to give priority to the air conditioner that was started later either stop the air conditioner that has priority or cause the operation type of the unit operated first to match that of the unit operated second Automatic Operation When the remote control operation switch is in the Auto mode the air conditioner automatically selects either Cool Dry or Heat when operation is started depending on the room temperature During simultaneous operation of air conditioner units operation modes may be automatically changed in response to the temperatures of the individual rooms this will result in the operation of the outdoor unit being stopped In such a case COOL or HEAT mode should be used instead of AUTO This is only relevant when more than one air conditioner unit is being used Refrigerant oil recovery operation If the all of the indoor units are not operated at the same time for an extended period the cooling or heating performance may temporarily decrease This is in order to con
33. n to turn off the timer indicator Example In the case the preferred room temperature is required at 8 00 Press the ON TIMER button ON TIMER indicator ON is blinking Press the CJ or button Every time the J button is pressed the display is switched in the order of 0 00 0 10 90 20 1 00 gt 1 10 Units of ten minutes Every time the V button is pressed the display is switched in the order of 0 00 23 50 23 40 gt 23 00 22 50 Units of ten minutes Set at 8 00 Press the ON TIMER button The display changes from blinking to steady lighting and the setting is complete The timer light yellow is on The operation stops if it is set during operation Operation starts 5 to 60 minutes before the set time The timer light yellow goes out at the set time Make sure to press the button within 60 seconds from the last operation in step 2 other wise the setting is not completed The current time is not displayed during ON TIMER operation ON TIMER operation will not function during ALLERGEN CLEAR operation W Combined timer operation of SLEEP TIMER and ON TIMER MITSUBISHI AW HEAVY INDUSTRIES LTD H POWER e PECONO TEMP AIRFLOW lt JO ON OFF zn Cu AUTO n SLEEP CANCEL ALLERGEN CLEAN Sat ACL Changing of set time Set a new time by using the SLEEP or ON TIMER button Example When
34. nsert securely Do not touch the aluminum fins on the heat Operating without putting back the air filters will exchanger make the unit dusty and may cause damage Stand firmly on a stepladder or other stable a object when removing the inlet panel and filter Cleaning the unit Wipe the unit with a soft dry cloth or use a vacuum cleaner Do not use the following articles Tf the unit is very dirty wipe it with a cloth soaked in warm water Hot water 40 C or more Cleaning the air inlet panel It may deform or discolour the unit Removal installation of air inlet panel Petrol paint thinner benzine or cleanser etc e Wipe the panel with a soft dry cloth m They may deform or scratch the unit A CAUTION Do not wash the air inlet panel with water How to open close the air inlet panel Open Close Place fingers at the recesses on both sides of the panel and pull up the panel Push both ends evenly and press further lightly at the center forward so that it will be open by about 60 degrees The inner air The air inlet panel consists of two parts the outer air inlet panel which can inlet panel always be seen and the inner air inlet panel which is usually hidden from view To open and close the air inlet panel please place your fingers in the grooves near the bottom on both sides of it and pull At the same time please also support the face of the outer air inlet panel with your thumbs
35. nstallation Left End Installation Ec SLEEP CANCEL ALLERGEN CLEAN 4 ACL Press within 60 sec Press the ON OFF button The air conditioner s installation location is set Press within 60 seconds of setting the installation location while the installation location setting display illuminates Air conditioner installation location and airflow range The diagram below indicates the airflow ranges corresponding to the air conditioner s installation location Consider your room s layout and set the airflow range to maximize conditioning effectiveness Airflow range Airflow range Airflow range Left End Installation Center Installation Right End Installation 16 Maintenance Before maintenance During the operational season Turn off the power supply Cleaning the air filter Standard interval is once every two week 1 Remove the air filter Pull up the air inlet panel forward 2 Lightly hold the knobs at both sides and lift a ON _ little to remove the panel forward OFF Do not spill any liquid Cleaning If the filter is very dirty clean it with warm water approx 30 C and dry it thoroughly There s a danger AN CAUTION of electric shock Do not clean the filters with boiling water Do not dry them over an open flame Pull them out gently Wipe the unit with a soft 3 Reinstall the air filter dry cloth Hold firmly the filter at both sides as shown at right and i
36. obstacles near the outlet and inlet of the outdoor unit This may cause malfunctioning and increased operating noise If you hear an irregular noise during operation contact your dealer Inspection and maintenance Depending on operating environment the inside of the air conditioner may become dirty after a few year operations This will reduce performance In addition to normal cleaning we would recommend inspection and maintenance This may lead the air conditioner to having a longer life without any trouble Contact your dealer or any distributor for inspection and maintenance There will be a charge for this service We would recommend inspection and maintenance to be carried out during the off season If the supply cord of this appliance is damaged it must only be replaced by a repair shop appointed by the manufacturer because special purpose tools are required Troubleshooting Please carry out the following checks before making a service call If the air conditioner does not oper ate properly after you have checked the left points or if any doubt still The air conditioner does not work at all Has the power switch been turned off ON Gi OFF Have you set the thermostat at a suitable temperature suitable DUM temperature Gr Has the timer been set in the ON position Poor cooling or heating Is the air filter clean Not clogged Poor cooling Is there a power failure or a b
37. performs defrosting automatically Please wait During defrost ing water or steam may escape from the outdoor unit Airflow is not blown out when starting the DRY operation RUN light is on The indoor fan may stop to prevent re evaporation of dehumified moisture and to save energy Some steam escapes during COOL operation There is a slight smell This may occur if the room s temperature and humidity are very high It disappears as soon as the temperature and humidity decrease Air blown out during operation may smell This is caused by tobacco or cosmetics adhering to the unit You hear a slight gurgling sound This is caused by refrigerating liquid moving within the unit You hear a slight cracking sound This is caused by heat expansion or contraction You hear a hissing or clicking sound This is caused by the operation of the refrigerant control valves or electric components After a power cut the unit does not restart even if power has been restored If the auto restart function is not set the unit will not restart automatically Use the remote control to start the operation again Remote control signals are not received Remote control signals may not be received if the signal receiver on the air conditioner is exposed to direct sunlight or other bright light If so cut out the sunlight or reduce the other light Moisture may form on the air outlet grills If the unit
38. r may injure your fingers For replacement the air cleaning filter contact your dealer The power of enzyme is used to eliminate allergy causing al Allergen clear filter lergens that accumulate on the filter Light orange Photocatalytic washable Sources of odors on the filter are broken up resulting in a deodorizing filter deodorizing effect ee 18 Proper installation Do not put any obstruction in front of the indoor unit preventing proper ventilation and functioning Do not install the unit in any of the following places Where there is a danger of leaking flammable gases Where there is substantial splashing of oil Malfunctioning due to corrosion may occur if the unit is installed in a spa where sulfide gases are generated or in a seaside resort exposed to sea breezes Contact your dealer The air conditioner and remote control must be at least 1 metre away from a TV set or radio Drain the dehumidified liquid from the indoor unit into a spot that drains well When you install the unit take care to choose a place that can comfortably stand the weight of the unit and does not increase the operating noise or vibration If vibration is transmitted through the house fix the unit with the aid of vibration proof pads between the unit and the fittings Select a place where cold or hot air operation noises from the indoor and outdoor units do not cause any inconvenience to your neighbours Do not leave any
39. sh Rotor lock Defective compressor Open phase on compressor Defective outdoor unit boards 22 EA MITSUBISHI HEAVY INDUSTRIES LTD AIR CONDITIONING amp REFRIGERATION SYSTEMS HEADQUARTERS 16 5 2 Chome Kounan Minato ku Tokyo 108 8215 Japan Fax 03 6716 5926 MITSUBISHI HEAVY INDUSTRIES EUROPE LTD AIR CONDITIONER DIVISION 3rd Floor Thavies Inn House 3 4 Holborn Circus London ECIN 2HA ENGLAND Phone 44 0 20 7842 8171 Fax 44 0 20 7842 8104
40. sunlight and draught Excessively high or low temperatures are not Clogged filters may block the airflow and Cut out direct sunlight by drawing the cur good for your health and waste of electricity cause less efficient operation tains or blinds when cooling Keep windows and doors shut except when ventilating Adjust the airflow direction properly Operate the unit only when needed Keep heat source away when cooling Adjust the up down and left right airflow to Use the timer properly to operate the unit Keep heat sources out of the room as much as ensure a steady room temperature only when needed possible 15 Installation location setting W Take the air conditioning unit s location into account and adjust the left right airflow range to maximize air conditioning If the air conditioning unit is running press the ON OFF button to stop MITSUBISHI The installation location setting cannot be made while the unit is running HEAVY INDUSTRIES LTD Press the AIR FLOW UP DOWN button and the AIRFLOW LEFT RIGHT button together for 5 seconds or more The installation location display illuminates 26 HI POWER Setting the air conditioning installation location Press the AIR FLOW a LEFT RIGHT button and adjust to the ECONO TEMP ARFL j desired location Each time the AIR FLOW lt LEFT RIGHT button is pressed the indicator is switched in the order of Center Installation Right End I
41. tice only the relevant parts are shown m MWCOKO 2 OPERATION MODE select button Each time the button pressed the M display is switched over in turn Page 8 9 ON OFF luminous button Press to start operation press again to stop AIR FLOW UP DOWN button This button changes the air flow up down direction CP Page 10 eco EE AIR FLOW LEFT RIGHT button This button changes the air flow left right direction Page 10 3D AUTO button This button sets 3D AUTO operation Page 10 OFF TIMER button This button selects OFF TIMER operation F Page 11 ACL switch This switch is for resetting microcomputer and setting time CP Pa age 6 ALLERGEN CLEAR button This button selects ALLERGEN CLEAR operation CP Page 13 When each button on the remote control is pressed with the remote control pointing towards the air conditioner unit a signal is transmitted When the air conditioner receives the signal correctly it will beep Current time setting W When inserting the batteries the current time is automatically set to time setting mode 13 00 is displayed as the current time Set the clock to the right time fe MITSUBISHI HEAVY INDUSTRIES LTD Example Set to 10 30 Press the ACL switch Press with the tip of a ballpoint pen etc The time display blinks and can be set to the current time Press the or C2 button
42. trol the recovery of the refrigerant oil in the stopped indoor unit s At this time the sound of refrigerant flowing may be heard from the stopped indoor unit s sofa elf diagnosis function Wi We are constantly trying to do better service to our customers by ins RUN light alling such judges that show abnormality of each function as follows Description of trouble Cause 1 time flash Heat exchanger sensor error Broken heat exchanger sensor 1 wire poor connector connection 2 time flash Room temperature sensor error Broken room temperature sensor wire poor connector connection 3 time flash TIMER light ON 5 time flash Heat exchanger sensor 3 error Broken heat exchanger sensor 3 wire poor connector connection Active filter voltage error Defective power supply 6 time flash Indoor fan motor error Defective fan motor poor connector connection 7 time flash V EREN SE eee Y TIMER light eee Refrigerant is insufficient Closed service valve Heat exchanger sensor 1 error Refrigerant is insufficient leaking Closed serice valve Broken heat exchanger sensor 1 wire poor connector connection 1 time flash Outdoor temperature sensor error Broken outdoor sensor wire poor connector connection 2 time flash RUN light keeps flashing
43. y dust or dirt from the allergen clear filter Replace the allergen clear filter if it cannot be cleaned or if it has been for about 1 year The allergen clear filter should be replaced after about 1 year of use However the actual replacement period may vary depending on the conditions in which the filter is used Remove the photocatalytic washable deodorizing filter orange from the filter holder and inspect the filter Periodically remove any dust or dirt from the photocatalytic washable deodorizing filter If the photocatalytic washable deodorizing filter is particularly dirt it may be washed with water However the filter is fragile so be sure to wash it installed in the filter holder to avoid damaging it After washing the filter place it in sunlight to dry Plac ing the filter in sunlight revitalizes the deodorizing effect Do not dispose of the filter holders They are reusable J cl 7 4 Install the air cleaning filter in the filter holders and then install the filter M T Filter The allergen clear filter and the photocatalytic washable deodorizing filter may be installed on either the right or left side of the air conditioner Install the allergen clear filter with the light orange side front 5 Install the air filters and closed the air inlet panel r Page 17 Z CAUTION The heat exchange
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