user`s manual air
Contents
1. COOL HEAT DRY FAN mode operation Point the remote control toward the air conditioner and Press the MODE select button Move the m mark to the required operation position 3 Cool X Heat Dry Fan 2 Press the ON OFF button Press the TEMP button Press or V button for the preferred temperature Recommendation 4 Press the FAN SPEED button SLEEP CANCEL CLEAN 44 Set the fan speed as preferred Airflow direction adjustment procedure Page 12 Press the ON OFF button e Incase air is not blown out when starting the heating operation r Page20 e 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 N Cooling operation Heating operation Outside temperature Approximately 15 C to 46 C Approximately 15 to 24 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 humidity 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 e The un2. 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 sometimes performs defrosting automatically Please wait Dur ing defrosting 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 This may occur if the room s temperature and humidity are very high It disappears as soon as the temperature and humidity decrease There is a slight smell 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 20 After a power cut the unit does not restart even if power has been restored Ifthe auto restart function is not set the unit will no
3. Asahi Nishibiwajima cho Kiyosu Aichi 452 8561 Japan http www mhi co jp MITSUBISHI HEAVY INDUSTRIES AIR CONDITIONING EUROPE LTD 7 Roundwood Avenue Stockley Park Uxbridge Middlesex UB11 1AX United Kingdom Tel 44 20 7025 2750 Fax 44 20 7025 2751 http www mhiae com MITSUBISHI HEAVY INDUSTRIES AIR CONDITIONERS AUSTRALIA PTY LTD 9C Commercial Road Kingsgrove NSW 2208 PO BOX 318 Kingsgrove NSW 1480 Tel 461 2 8571 7977 Fax 61 2 8571 7992 http www mhiaa com au
4. Are the batteries running down F Replacing the batteries above Replace the batteries with new ones and retry the operation e If the operation fails operate the unit with temporary operation function Contact your dealer to have the remote control 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 e OPERATION MODE e FAN SPEED AUTO AUTO AUTO AIR FLOW er Below amp Operation starts by pressing the unit ON OFF button it stops if you press the button again Do not hold the Unit ON OFF button down for more than 5 seconds Unit ON OFF button 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 FAN SPEED button OPERATION MODE select button Each time the button is pressed the m Each time the button pressed the m display is switched over in turn aa MITSUBISHI display is switched over in turn CF Page 10 Page 10 11 HI POWER ECONO button ON OFF luminous button This button changes the HIGH POWER Press to start operation press again to ECONOMY mode stop CF Pase 16 TEMPERATURE button AIR FLOW UP DOWN button This button changes the air flow up do
5. 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 F Page 15 WoO BA H POWER AIR FLOW eJECONO TEMP VI SLEEP CANCEL CLEAN 44 Changing of set time Set a new time by pressing SLEEP button How to cancel Press the CANCEL button to turn off the SLEEP display Press the SLEEP button E 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 ej h Looy p J Units of one hour No indication 2 2 canceled ILI D Example You prefer it to stop after 7 hours G Set to The The timer light yellow is on e The unit stops after the set time lapses e Cannot be set at the same time with OFF TIMER OFF TIMER operation 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 WOOO Eu 1 BA H POWER AIR FLOW G ECONO TEMP IN SLEEP CANCEL CLEAN 2 4 Changing of set time Set a
6. annex II l Batteries at their end of life should be disposed of separately from general household waste If a chemical symbol is printed beneath the symbol l shown above this chemical symbol means that the batteries contain a heavy metal at a certain concentration This will be indicated as follows Hg mercury 0 0005 Cd cadmium 0 002 Pb lead 0 004 Please dispose of batteries correctly at your local community waste collection or the recycling center l The emission sound pressure level from each Indoor and Outdoor unit is under 70 dB A contents Safety precautions sssessssuse 2 SLEEP TIMER operation 13 Name of each part and its function 6 OFF TIMER operation ess 13 Remote control handling 8 ON TIMER operation eeess 14 Operation failure with the remote control 8 SLEEP TIMER 4 ON TIMER operation 14 Temporary run operation 8 PROGRAM TIMER operation 15 Operation and display section for remote HIGH POWER ECONOMY operation 16 CONTON pete ETE 9 SELF CLEAN operation WA Current time setting 9 Auto restart function seesesususss 17 AUTO mode operation 10 Tips for effective operation 17 Tempe
7. available during the DRY and 3 When it has been 15 min since HIGH POWER the program timer operations operation has started e When HIGH POWER operation is set after ON TIMER operation e Not operable while the air conditioner is OFF HIGH POWER operation will start from the set time Concerning ECONOMY operation Pressing the HI POWER ECONO button initiates a soft operation with the power suppressed in order 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 eco displays and the FAN SPEED display disappears GK e t will go into ECONOMY operation at the next time the air e When the following operations are set ECONOMY operation conditioner runs in the following case will be canceled When the air conditioner is stopped by ON OFF button When the HI POWER ECONO button is pressed during ECONOMY operation again When the air conditioner is stopped in SLEEP or OFF 2 When the operation mode is changed from DRY to TIMER operation during ECONOMY operation FAN 3 When the operation is retrieved from CLEAN operation e Not operable while the air conditioner is OFF 16 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 t
8. great care Provide proper earth Strictly prohibited ing e The system must be installed by your dealer or a qualified professional It is not advisable to install the system by yourself as faulty handling may cause leak age of water electric shock or fire A CAUTION G e Do not install it where flammable gas may leak Gas leaks may cause fire e Depending on the place of installa e Make sure to install the drain hose tion an earth leakage breaker may be properly so that all the water is necessary drained out If you do not install an earth leakage Improper installation may lead to water breaker you may get an electric shock drop in the room resulting in wet furni ture e 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 installation of the earth cable may produce an elec tric shock I Safety precautions I OPERATION PRECAUTIONS A WARNING e Children shall not play with the appli Cleaning and user maintenance shall ance not be made by children without su e Do not expose yourself to the cooling PerviSion air for a long period e Do not insert anything into the air in This could affect your physical condition let This may cause injury as the internal fan rotates at high speed and cause health problems QD e This
9. new time by using the OFF TIMER button How to cancel Press the CANCEL button to turn off the timer display Example You prefer it to stop 22 30 Press the ON OFF button Press the OFF TIMER button OFF TIMER display OB is blinking Press the or button Every time the button is pressed the display is switched in the order of m 0 0 20 1 00 1 10 Units of ten minutes Every time the button is pressed the display is switched in the order of fee 23 00 22 50 Units of ten mn 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 Different from SLEEP TIMER operation automatic set temperature adjust ment is not done during OFF TIMER operation 13 ON TIMER operation Wi Operation starts 5 to 60 minutes before the set time so that the room temperature reaches the optimum temperature at the set time F Page 15 ON TIMER operation can be set regardless of whether the air conditioner is running or not Example In the case the preferred room temperature is required at 8 00 uum Press the ON TIMER button ON TIMER display ON is bli
10. or the button During automatic operation 24 C is preset both for heating and cooling When a change in temperature is required Press the or button When it is a little cold Press the button E Each time the button is pressed the switch over occurs in the following order 6 2 52 19 0 6 2 HI POWER AIR FLOW When 6 is indicated even if the button is pressed the indicator does not change ECONO bz When it is a little hot H M Press the button E Each time the button is pressed the switch over occurs in the following order 6 2 45 2 oe 24135 40 9 1 6 When 4 is indicated even if the button is pressed the indicator does not change Remote Control display Setting 6 5 4 3 2 1 0 1 2 3 4 5 6 temp C 18 19 20 21 22 23 24 25 26 27 28 29 30 CLEAN 4 E You can choose the capacity of your air conditioner Press the FAN SPEED button when heating mode cooling mode or fan mode Move the m mark to the preferred fan speed position AUTO HI MED LO Set automatically by microcomputer AUTO poo Powerful operation with high capacity HI Standard operation MED Energy saving operation LO e When changing FAN SPEED from HI to LO the sound of refrigerant flowing may be heard
11. other stable object when removing the filter During the operational season Cleaning the air filter Recommendation interval is once every two week e Hook fingers on this side of the top face of air filter Pull the air filter forward The air filter will separate from front panel A CAUTION e When removing the air filter pull it out gently without tilting and with care not to shake off dirt accumulated on the air filter Be careful not to allow dirt shaken off the air filter entering in the eyes or mouth 2 Cleaning Remove dirt from the air filter using a vacuum cleaner If the filter is very dirty clean it with warm water approx 30 C and dry it thoroughly A CAUTION e Do not clean the filter with boiling water e Do not dry them over an open flame Pull them out gently 3 Reinstall the air filter e Insert the air filter s ditch to the rail of the front panel and push it in the back Rail both side A CAUTION e Operating without putting back the air filter will Ditch both side make the unit dusty and may cause damage Cleaning the unit e Wipe the unit with a soft dry cloth or use a vacuum cleaner e lf the unit is very dirty wipe it with a cloth soaked in warm water 18 Cooling heating is affected by an air filter clogged up with dust etc and the operation noise becomes louder lt may also use extra electricity Please clean the air filter at recommendation in
12. service call The air conditioner does not work at all Has the power switch been turned off position Has the timer been set in the ON Is there a power failure or a blown fuse Poor cooling or heating Have you set the thermostat at a suitable temperature Is the air filter clean Not clogged Poor cooling Did you leave any doors or windows open Is there any direct sunlight entering the room Is there a heat source in the room Are there too many people in the room If the air conditioner does not operate properly after you have checked the above points or if any doubt still exists after you have consulted page 20 or if things happen as shown on page 21 switch off the power and contact your dealer P 4 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 ees sd The unit does not restart immediately after you have stopped it RUN light is on Restart is blocked for 3 minutes after you have stopped the op eration to protect the unit The three minute protection timer in the microcomputer auto matically starts it up again Airflow is not blown out when starting the HEATING opera tion RUN light blinks slowly 1 5 sec ON 0 5 sec OFF
13. set after the warm air supply is starting e The flap direction will be controlled to the horizontal position when the room temperature reaches the set temperature and compressor stops or when defrosting is in operation e 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 goes to the set position MEMORY FLAP FLAP STOPPED When you press the AIRFLOW button once while the flap is operating it stops swinging at the position Since this angle is memorized in the microcomputer the flap will automatically be set at this angle when the next operation is started e Recommended angle of the flap when stopping A WARNING e Do not expose directly to airflow from the air conditioner for a long time JI Slant fotward lowin A CAUTION m iiid e 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 EX m e Do not try to adjust the flaps by hand as the control angle may change or S blowing the flap may not be closed completely Adjusting left right air flow direction W Adjust the direction by moving the left right louver by hand When you adjust the direction touch the operation point of louver Operation point A CAUTION e Please stop the air conditioner when adjusting the air flow direction apo SLEEP
14. 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 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 Ifthe 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 19 Troubleshooting Please carry out the following checks before making a
15. 2 Set to 10 30 O AA BA HI POWER AIR FLOW 3 ow Gg eDECONO TEMP N The display changes from blinking to steady lighting and the setting is complete EN H Make sure to press the button within 60 seconds from the last operation in A step 2 otherwise the time is not set NY OFF OM amp 3s SLEEP CANCEL perry em Press the ON OFF button CLEAN 44 e The timer operation works based on the time clock so please set it correctly e 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 um 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 X 9 Press the ON OFF button Press the ON OFF button ON SUR OFF CN e Incase air is not blowing out during the operation SLEEP CANCEL ir Page 20 CLEAN 4 Display in OFF status e f you do not want the AUTO mode program change e The current time and preset OPERA to COOL HEAT DRY or FAN instead of AUTO TION MODE are displayed while the C Page 11 air conditioner is turned off e Airflow direction adjustment procedure CF Page 12 W Air temperature adjustment is possible even during automatic operation There are 6 levels of adjustment possible with the button
16. ERLANDS PORTUGUES EAAHNIKA PYCCKMM T RKCE RLC012A003A 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 conditioner 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 p rc M 1 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 LIL LIILILLLIL ILL LL L IL H 4 Ce KG RE PE A USL AL CLV WE Your Air Conditioning product may be marked with this symbol It means that waste electrical and electronic equipment WEEE as in directive 2012 19 EU should not be mixed with general household waste Air conditioners mmm 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 l contact the installer or local authority for more information ee ee WAA WA WAA M WAA AA AU 4 rP This symbol printed in the batteries attached to your Air Conditioning Ee lt HU a for end users according to the EU directive 2013 56 article 20
17. FLOW Set to OON JI LILI The setting of the lighting of the timer light yellow of this unit is complete ECONO TEMP A e After the SLEEP TIMER set time has elapsed the operation stops and zaji TIMER 2 sta 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 SLEEP CANCEL CLEAN 44 Changing of set time How to cancel Set a new time by using the SLEEP or ON TIMER button Press the CANCEL button to turn off the timer display 14 PROGRAM TIMER operation W The timer operations of the combination of ON and OFF TIM same time every day unless the ON OFF button is pressed MNCOKO BA H POWER AIR FLOW o ECONO TEMP x SLEEP CANCEL CLEAN 4 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 e 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 ON The function is available for both COOL and HEAT operation mode including AUTO It does gt In COOL operation lt 4 Stop Operation starts Operatio Set temperature ER Once this has been set the timer operations will be repeated at the Example When it is prefered to stop at 22 30 and
18. WWW SERVIZ KLIMATICI COM a or SRK25ZMP S SRK35ZMP S SRK45ZMP S ORIGINAL INSTRUCTIONS USER S MANUAL MITSUBISHI HEAVY INDUSTRIES LTD AIR CONDITIONER MANUEL DE LUTILISATEUR CLIMATISEUR ANWENDERHANDBUCH KLIMAGERAT ISTRUZIONI PER LUSO CONDIZIONATORE D ARIA MANUAL DEL PROPIETARIO ACONDICIONADOR DE AIRE GEBRUIKERSHANDLEIDING AIRCONDITIONING MANUAL DO UTILIZADOR APARELHO DE AR CONDICIONADO OAHME XPHZH2 KAIMATIZTIKO PVKOBOJICTBO MO SKCTUIVATALIMM CE 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 KOHABMLIMOHEP BOSIVXA 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 AUTO TO KAILATLOTIKO Eival OULPWVO pe TIG ripo iaypao g TNG Odnyiag EMC 2004 108 EK kat tng Odnyiacs LV 2006 95 EK ENGLISH FRANCAIS DEUTSCH ITALIANO ESPANOL NED
19. appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved eStore the remote control out of reach of infants Failure to observe this may result in the batteries being swallowed or other accidents A CAUTION e Only use approved fuses Use of steel or copper wire instead of an approved fuse is strictly prohibited as it may cause a breakdown or fire e Do not handle the switches with wet hands This may cause an electric shock e Do not swing from the indoor unit If the indoor unit falls down you may get injured e Do not place a flammable insecticide or paint spray near the blower nor spray it directly on the system This may result in a fire e You should not expose any combus tion appliance directly to the air stream of the air conditioner The appliance may then work inad equately e Do not wash the air conditioner with water This could cause an electric shock eThe system should only be used for its original purpose and not for any thing else like for instance preserva tion of food plants or animals preci sion devices or works of art The system is only intended for use in ordinary domestic rooms Any other use of the system may damage the quality of fo
20. connector connection 4 time flash Discharge pipe sensor error Broken discharge 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 RUN light ON 4 time flash 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 Keep flashing RUN light 2 time flash Cooling high pressure protection Gas over charge short circuit of outdoor unit 2 time flash Rotor lock Defective compressor Open phase on compressor Defective outdoor unit boards 22 E MITSUBISHI HEAVY INDUSTRIES LTD AIR CONDITIONING amp REFRIGERATION DIVISION 3 1
21. er inoperable elf the power cord becomes damaged contact your dealer or a qualified en gineer If it is not replaced it may cause a breakdown or fire I Safety precautions I PRECAUTIONS FOR RELOCATION OR REPAIRS A WARNING e Do not perform any repairs or modifications by yourself Consult the dealer if the unit requires repair If you repair or modify the unit it can cause water leaks electric shocks or fire QD e Consult your dealer for repairs Wrong repairs could cause an electric shock fire etc e n case the air conditioner is relo cated elsewhere contact your dealer or a professional fitter Faulty installation may cause water leakage electric shock fire etc elf 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 abnor mal circumstances may result in mal functioning electric shock fire etc e f the air conditioner fails to cool or warm the room it may have a refrig erant leakage Contact your dealer If refrigerant needs to be added check with your dealer for proper instructions If the refrigerant comes in contact with the bare skin it may cause cold injury If the refrigerant gas is inhaled exces Sively it may cause deterioration of nerve function like dizziness and headache or deterioration of heart function like irregu lar heartbeat and heart palpita
22. he CLEAN switch with the tip of a ballpoint pen Every time the CLEAN switch is pressed the display is switched in the order of No display CLEAN on CLEAN off WOOO BA H POWER AIR FLOW lt DPECONO TEMP 2 Two hours later the air conditioner stops running automatically To stop the air conditioner immediately press the ON OFF button CLEAN operation is not operated after HEAT FAN OFF TIMER and SLEEP operations have finished The indoor unit fan runs for about two hours in CLEAN operation The RUN light illuminates during CLEAN operation 0 ONT TIMER If OFF 9 SLEEP CANCEL 3 sec K ON OFF 1 sec Pressing the SLEEP button during CLEAN operation cancels the CLEAN operation and then the unit is set to SLEEP operation This is not a function for removing mold germs or grime that have al ready adhered to the unit Auto restart function E What is auto restart function e 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 e The following settings will be canceled D Timer settings 2 HIGH POWER operations e 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 switc
23. hed off e When power failure occurs the timer setting is canceled 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 Excessively high or low temperatures are not good for your health and waste of electricity Clean the filter frequently Clogged filter may block the airflow and cause less efficient operation Avoid direct sunlight and draught Cut out direct sunlight by drawing the cur tains or blinds when cooling Keep windows and doors shut except when ventilating Adjust the airflow direction properly Adjust the up down and left right airflow to ensure a steady room temperature Operate the unit only when needed Use the timer properly to operate the unit only when needed ez Keep heat source away when cooling Keep heat sources out of the room as much as possible Maintenance Carefull matter during maintenance Turn off the power e Do not spill any liquid Do not use the following articles supply q e Hot water 40 C or more Wipe the unit with a There s a danger fi lt may deform or discolour the unit C soft dry cloth of electric shock Petrol paint thinner benzine or cleanser etc ON They may deform or scratch the unit amp OFF e Do not touch the aluminum fins on the heat exchanger e Stand firmly on a stepladder or
24. it and do not put water container on this unit Water entering the unit could damage the insulation and therefore cause an electric shock elf you operate the system together with a combustion appliance you must regularly ventilate the indoor air Insufficient ventilation may cause acci dents due to oxygen deficiency eStand 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 toppling Over e When you clean the system stop the unit and turn off the power supply Never open the panel while the internal fan is rotating e Do not place objects near the out door 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 electrical parts and may cause a break down smoke or fire e Contact your dealer to clean inside the indoor 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 components and cause leaks Damage smoke or fire may also happen if the detergent comes in con tact with electrical parts or the unit s motor eStop the unit and turn off the power if you hear thunder or there is a danger of lightning It may damage the unit e Do not let the foreign matters enter the indoor unit through the air out lets This may cause the dump
25. it 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 e t may take some time to supply hot air after turning on the air conditioner e 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 e Both indoor and outdoor fans stop and the RUN light blinks slowly 1 5 sec ON 0 5 sec OFF during defrosting e The outdoor unit may give off some steam during defrosting This is to help the defrosting process and is not a defect e The HEAT operation resumes as soon as defrosting has been completed 11 Airflow direction adjustment W Up down direction can be adjusted with the AIRFLOW button on the remote control Every time you press this button the mode changes as follows Change on AIRFLOW UP DOWN mode C A EI sAN N Ep us 2E d 4 1 ui Flap stopped Swing NOTE FOR HEATING OPERATION e When operation starts the flap direction is fixed at the horizontal position in order to avoid cold draft and return to the set the position that was
26. nking Press the or button WoS Every time the button is pressed the display is switched in the order of 0 00 0 10 0 20 1 00 1 10 Units of ten minutes E H POWER AIR FLOW Every time the button is pressed the display is switched in the order of ECONO TEMP 0 00 23 50 23 40 23 00 22 50 gt Units of ten minutes Set at 8 00 Press the ON TIMER button SLEEP CANCEL The display changes from blinking to steady lighting and the setting is com CLEAN plete The timer light yellow is on 1 5 3 The operation stops if it is set during operation Changing of set time Set a new time by using the ON TIMER button Operation starts 5 to 60 minutes before the set time H The timer light yellow goes out at the set time ow to cance Make sure to press the button within 60 seconds from the last operation in step Press the CANCEL button to turn off the timer noiherwise mne ssttingiiS noticomplSted The current time is not displayed during ON TIMER operation display W Combined timer operation of SLEEP TIMER and ON TIMER Example When it is required to stop after 3 hours and then start operation at 8 00 near the set temperature at MITSUBISHI B SLEEP TIMER setting HEAVY INDUSTRIES LTD Set by the procedures on page 13 Set to e E ON TIMER operation setting J SG Set by the above procedure mentioned in ON TIMER BE H POWER AIR
27. od etc e Do not place anything containing wa ter like vases on top of the unit Water entering the unit could damage the insulation and therefore cause an electric shock e Do not install the system where the airflow direction is aimed directly at plants or animals This will damage their health e Do not sit on the outdoor unit nor put anything on it If the unit falls down or things drop off it people could get hurt e 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 I Safety precautions A CAUTION 9 e Do not touch the aluminum fins on the air heat exchanger It may result in injury e Do not place household electrical appliances or household items under neath the indoor or outdoor units Condensation falling from the unit may stain objects and cause accidents or electrical shock e Do not operate the system without the air filter It can cause malfunction of the system due to clogging of the heat exchanger e Do not shut off the power supply im mediately after stopping the opera tion Wait at least 5 minutes otherwise there is a risk of water leakage or breakdown e Do not control the system with main power switch It can cause fire or water leakage In addition the fan can start unexpectedly which can cause personal injury e Do not pour liquid into this un
28. on A switch does not activate properly You hear a strange noise during operation When abnormalities occur turn off the power supply imme diately and turn it on after 3 minutes Restart the operation with ON OFF button of the remote control and the abnor malities still continue The RUN and TIMER lights on the unit display section blink quickly 0 5 sec ON 0 5 sec OFF and do not work apja Self diagnosis function W We are constantly trying to do better service to our customers by installing such judges that show abnormality of each function as follows RUN light _ v Description of trouble Cause 1 time flash Heat exchanger sensor error Broken heat exchanger sensor wire poor connector connection 2 time flash TIMER light ON Room temperature sensor error Broken room temperature sensor wire poor connector connection 5 time flash Active filter voltage error Defective power supply 6 time flash TIMER light 9 Indoor fan motor error Defective fan motor poor connector connection 1 time flash RUN light keeps flashing Outdoor temperature sensor error Broken outdoor sensor wire poor connector connection 2 time flash Outdoor heat exchanger fluid pipe sensor error Broken heat exchanger fluid pipe sensor wire poor
29. ours han the present temperature n not work for DRY mode i temp 60 mins before Check the room Set time 15 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 eWMO OE e 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 eco e oj No display HIGH POWER ECONOMY Normal operation When the operating mode is DRY or PROGRAM TIMER Every time the HI POWER ECONO button is pressed the display is Switched in the order of EL ec No display CLEAN 44 A 3 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 e displays and the FAN SPEED display disappears Gk During the HIGH POWER operation the room temperature is e When the following operations are set HIGH POWER operation not controlled When it causes an excessive cooling or heating will be canceled press the HI POWER ECONO button again to cancel the HIGH When the HI POWER ECONO button is pressed again POWER operation 2 When the operation mode is changed HIGH POWER operation is not
30. ow stops due to the HOT KEEP and CLEAN operation TIMER 1 5 sec 3 sec ON E ON ko HOT KEEP CLEAN operation OFF OFF 0 5 Sec sec CP Page 17 TIMER light yellow Illiuminates during TIMER operation Accessories qe Wireless remote control Wireless remote Battery Wood screw Quantity 2 control holder R03 AAA Micro x2 for remote control holder mounting e 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 Hi de 2 e z E 05 226 PI PI PIPI PI PIPI too Replacing the batteries 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 Pull out the cover and take out old batteries Insert new batteries R03 AAA Micro x2 Su Pay attention to the and O marks D T Close the cover Press the ACL switch with the tip of a ballpoint pen The timer setting mode is displayed CF Page 9 ak Do not use old and new batteries together Remove the batteries when the
31. rature adjustment during AUTO 10 Maintenance eee 18 FAN SPEED tette tente 10 Proper installation 19 COOL HEAT DRY FAN mode operation 11 Troubleshooting eeeseeses 20 Air conditioner operable NOCO eere T e e 20 temperature Setting 11 Contact your dealer sssuuss 21 Characteristics of HEAT mode operation 11 Self diagnosis function 22 Airflow direction adjustment 12 Safety precautions e Before starting to use the system please read these Safety precautions carefully to ensure proper operation of the system e 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 Improper handling could lead to drastic result like death se As WARNING igus injury etc A CAUTION oe a serious problem depending on the circum Please observe these precautions with great care since they are essential to your safety e Symbols which appear frequently in the text have the following meaning o I INSTALLATION PRECAUTIONS A WARNING G eThe system is for domestic residential etc use If used in severer environments such as an engineering workplace the equipment may function poorly q Observe instructions with
32. 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 recommended effective period 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 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 properly For installing or removing the remote control move it up or down in the holder Warning note for remote control handling Do not go near high temperature places such as an electric carpet or stove O Strictly prohibited Do not leave the remote control ex posed to direct sunlight or other strong lighting Do not drop the remote control Handle with care Do not put any obstructing obsta cles between the remote control and the unit Do not spill any liquid on the remote control Do not place heavy objects on the remote control or step on it Operation failure with the remote control
33. t restart auto matically 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 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 will not stop immediately after unit operation was stopped Indoor fan Outdoor fan Fan will not stop after 2 hours if set to CLEAN operation Fan will not stop about a 1 minute period in order to protect the unit RUN light stays on even though operation was stopped Contact your dealer The RUN light illuminates during CLEAN operation Run light turns off when CLEAN operation ends W Turn off the power switch immediately and inform your dealer in any of the following situations The cable becomes extremely hot The covering of the cable is cracked A CAUTION If the power cord becomes damaged ask your dealer or a qualified engineer to install the replacement to avoid accidents The fuse or switch blows continuously The TV radio or other equipment starts to malfuncti
34. tervals 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 block ing the airflow around the air intake and outlet Dry the inside of the unit openings of the indoor and outdoor units Cooling season only 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 approx 2W even when the unit is not operat Ensure that the earth wiring is not snapped ing Turning off the power supply will help saving energy con nor disconnected sumption and cost Clean and reinstall the air filter Ensure that the air filter 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 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 e Where there is a danger of leaking flammable gases e 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
35. then start operation at 8 00 near the set temperature E OFF TIMER operation setting Set by the procedures on page 13 Set to 9 OFF eead E ON TIMER operation setting Set by the procedures on page 14 Set to ON Jn LILI 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 DC wit ON TIMER the air conditioner starts running TD Then with OFF TIMER the air conditioner stops running O o With OFF TIMER the air conditioner stops running Then with ON TIMER the air conditioner starts running geai ILI 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 cooling 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 tem perature goes up by 1 C every an hour to become 1 C higher than he present temperature During heating The preset temperature is lowered by 1 C at the start of SLEEP operation when the timer is set After that the tem perature becomes 3 C lower in an hour and 6 C lower in two h
36. tion tempo rarily If refrigerant unexpectedly leaks from the unit onto a fan heater stove hotplate or other heat source harmful gases could be generated Name of each part and its function Remove dust or dirt from the inlet air Page 18 Indoor unit fan Heat exchanger Front panel Unit display section U ey Room temperature sensor U w Q o mji Air outlet Air blows out of here Left right airflow direction adjustment louver r Page 12 Up down airflow direction adjustment flap U I Q D N Drain hose o rains water from the indoor unit Refrigerant piping connection and electric wire OUTDOOR UNIT On side amp rear surface gu EM Z E Outdoor unit fan Heat exchanger l Oo Name of each part and its function Unit display section Remote control signal receiver Unit ON OFF button ON OFF This button can be used for turning on off the unit when remote control is not available Page 6 RUN RUN HOT KEEP light green e llluminates during operation Blinks when airfl
37. wn direction Page 12 AIR FLOW m C ON TIMER button NY f orF TIMER This button selects ON TIMER operation amp Page 14 SLEEP CANCEL oO eee CLEAN 4 SLEEP button This button selects SLEEP operation Page 13 CLEAN switch This switch selects the CLEAN mode Page 17 CANCEL button This button cancels the ON timer OFF timer and SLEEP operation These buttons set the room temperature These buttons are used for setting the current time and timer function as well OFF TIMER button This button selects OFF TIMER operation Page 13 ACL switch This switch is for resetting microcomputer and setting time CP Page 8 e The above illustration shows all controls but in practice only the relevant parts are shown Transmission procedure 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 Example Set to 10 30 E m Press the ACL switch 4 SUB Press with the tip of a ballpoint pen etc The time display blinks and can be set to the current time Press the or button 9
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