OPERATION MANUAL
Contents
1. DAIKIN ory DAIKIN ROOM AIR CONDITIONER OPERATION MANUAL INVERTER MODELS Ip FTXS20LVMA MIFTXS25LVMA wIFTXS35LVMA wIFTXS46LVMA MwIFTKS20LVMA wIFTKS25LVMA MIFTKS35LVMA L FTKSA46LVMA Feature For your comfort and energy INTELLIGENT EYE The INTELLIGENT EYE sensor detects the human movement in a room If no one is room for more than 20 minutes the operation automatically changes to energy saving operation on WEEKLY TIMER WEEKS Up to 4 timer settings can be saved for each day of the week according to your family s life style The WEEKLY TIMER allows you to set on off time and the desired temperature functions COMFORT AIRFLOW OUTDOOR UNIT QUIET airflow direction will be in upward ft OUTDOOR UNIT QUIET operation while in COOL operation in downward lowers the noise level of the outdoor 4 while in HEAT operation This function unit This function is useful when you will prevent cold or warm air from need to consider the noise for your directly blowing your body neighbourhood Contents E Read before Operation Safety Precautions e e o 3 Name of Parts sett t C 5 Preparation before Operation 9 E Operation Adjusting the Airflow Direction and E ale ee Sao oh 13 COMFORT AIRFLOW INTELLIGENT2. 3 Set the filters as they were and close the front panel Press the front panel at both sides and the central area 4 2 Pull down A Wash the air filters with water or clean them with vacuum cleaner It is recommended to clean the air filters every 2 weeks N CAUTION Do not touch the aluminum fins by bare hand at the time of dismounting or mounting the filter 32 Care and Cleaning B Titanium apatite photocatalytic air purifying filter 1 Take off the titanium Replacement apatite photocatalytic air Remove the tabs on the filter purifying filter frame and replace with a new Open the front panel and pull out the air filters filter Hold the recessed parts of the frame and unhook the 4 claws Do not throw away the filter frame Reuse the filter frame when replacing the titanium apatite photocatalytic air purifying filter Dispose of the old filter as non flammable waste 3 Set the filters as they were and close the front panel 1 Press the front panel at both sides and the 2 Clean or replace the titanium A apatite photocatalytic air purifying filter Maintenance 2 1 Vacuum dusts and soak in lukewarm water or water for about 10 to 15 minutes if dirt is heavy Do not remove the filter from frame when washing with water NOTE Operation with dirty filters cannot deodorize the air cannot clean the air
3. results in poor heating or cooling may cause odour Dispose of old filters as non flammable waste To order titanium apatite photocatalytic air purifying 2 2 After washing shake off remaining water and dry in the shade Since the material is made out of polyester do filter contact to the service shop there you bought the not wring out the filter when removing water from air conditioner it itani i i ern Titanium apatite photocatalytic air purifying filter without frame 1 set Part No KAF970A46 33 B Check the units E Check that the base stand and other fittings of the outdoor unit are not decayed or corroded W Check that nothing blocks the air inlets and the outlets of the indoor unit and the outdoor unit E Check that the drain comes smoothly out of the drain hose during COOL or DRY operation If no drain water is seen water may be leaking from the indoor unit Stop operation and consult the service shop if this is the case B Before a long idle period 1 Operate the only for several hours on a fine day to dry out the inside Press and select 29 operation ONO Press start the operation 2 After operation stops turn off the breaker for the room air conditioner 3 Clean the air filters and set them again 4 Take out batteries from the remote controller When a multi outdoor unit is connected make sure the heating operation is not
4. 1 Slide a Disconnect the front panel shaft on the other side in the same manner N CAUTION 2 Clean the front panel Wipe it with a soft cloth soaked in water Only neutral detergent may be used n case of washing the panel with water wipe it with dry soft cloth dry it up in the shade after washing 3 Attach the front panel Align the front panel shaft on the left and right of the front panel with the slots then push them all the way in Front panel lt shaft Close the front panel slowly Press the panel at both sides and the central area When removing or attaching the front panel use a robust and stable stool and watch your steps carefully When removing or attaching the front panel support the panel securely with hand to prevent it from falling After cleaning make sure that the front panel is securely fixed 31 B Air filter 1 Pull out the air filters If the dust does not come off easily Open the front panel Push a little upwards the filter tab at the center of each air filter then pull it down Wash the air filters with neutral detergent thinned with lukewarm water then dry them up in the shade Be sure to remove the titanium apatite photocatalytic air purifying filter Refer to Titanium apatite photocatalytic air purifying filter on the next page
5. Press this button once to start gt Page 14 operation Press once again to stop it POWERFUL button POWERFUL operation Open the front cover HEAT PUMP model 452 4 COOLING ONLY model ARC452A13 Open the front cover MODE selector button t selects the operation mode AUTO DRY COOL HEAT FAN ECONO button ECONO operation QUIET button OUTDOOR UNIT QUIET SWING button operation Adjusting the airflow direction SECON COMFORT SENSOR QUIET COMFORT button 1 WEEKLY button COMFORT AIRFLOW and SENSOR PROGRAM button INTELLIGENT EYE COPY button operation BACK button NEXT button WEEKLY TIMER operation OFF TIMER button ON TIMER button TIMER CANCEL button t cancels the timer setting CLOCK button t cannot be used for the WEEKLY TIMER operation SELECT button It changes the ON OFF TIMER and WEEKLY TIMER settings Preparation before Operation E To set the batteries Position and 1 Slide the front cover to take it off 2 Set 2 dry batteries AAA LRO3 alkaline 3 Set the front cover as before fix the remote controller holder the wall 1 Choose a place from where the signals reach the unit 2 Fix the holder to a wall a pillar e
6. Take an appropriate measure according to the symptom Q Not trouble These cases are not troubles 52 2 Please check again before calling a repair person The air conditioner does not operate OPERATION lamp is off Hasn t a breaker turned off or a fuse blown sn t it a power failure Are batteries set in the remote controller s the timer setting correct Hot air does not flow out soon after the start of heating operation The air conditioner is warming up You should wait for 1 to 4 minutes The system is designed to start discharging air only after it has reached a certain temperature Operation stopped suddenly OPERATION lamp is on For system protection the air conditioner may stop operating on a sudden large voltage fluctuation It automatically resumes operation in about 3 minutes Operation stopped suddenly OPERATION lamp flashes Are the air filters clean Clean the air filters s there anything to block the air inlet or the outlet of the indoor and the outdoor units Turn the breaker off and take all obstacles away Then turn it on again and try operating the air conditioner with the remote controller If the lamp still flashes call the service shop where you bought the air conditioner Are operation modes all the same for indoor units connected to outdoor units in the multi system If not set all indoor units to the same operation mode and confirm tha
7. After reading keep this manual in a convenient place so that you can refer to it whenever necessary If the equipment is transferred to a new user be sure also to hand over the manual N WARNING In order to avoid fire explosion or injury do not operate the unit when harmful among which flammable or corrosive gases are detected near the unit Be aware that prolonged direct exposure to cool or warm air from the air conditioner or to air that is too cool or too warm can be harmful to your physical condition and health Do not place objects including rods your fingers etc in the air inlet or outlet Product malfunctioning product or injury damage may result due to contact with the air conditioner s high speed fan blades Do not attempt to repair dismantle reinstall or modify the air conditioner yourself as this may result in water leakage electric shocks or fire hazards Do not use flammable spray near the air conditioner or otherwise fire may result o Beware of fire in case of refrigerant leakage If the air conditioner is not operating correctly i e not generating cool or warm air refrigerant leakage could be the cause Consult your dealer for assistance The refrigerant within the air conditioner is safe and normally does not leak However in the event of a leakage contact with a naked burner heater or cooker may result in generation of noxious gas Do not longer use the air conditioner until a qualified s
8. ON OFF TIMER mode time and set temperature only for ON TIMER mode can be set with WEEKLY TIMER Other settings for ON TIMER are based on the settings just before the operation Both WEEKLY TIMER and ON OFF TIMER operation cannot be used at the same time The ON OFF TIMER operation has priority if it is set while WEEKLY TIMER is still active The WEEKLY TIMER will go into standby state and will disappear from the LCD When ON OFF TIMER is up the WEEKLY TIMER will automatically become active Only the time and set temperature with the WEEKLY TIMER are sent with the Set the WEEKLY TIMER only after setting the operation mode the airflow rate and the airflow direction ahead of time Shutting the breaker off power failure and other similar events will render operation of the indoor unit s internal clock inaccurate Reset the clock Gaz Mit The BACK can be used only for the time and temperature settings It cannot be used to go back to the reservation number 24 WEEKLY TIMER Operation Copy mode Areservation made once can be copied to another day of the week The whole reservation of the selected day of the week will be copied Program 1 Program 2 Program 3 Program 4 ON OFF ON OFF 500 z 25 Monday 27 6 00 8 30 17 30 22 00 Program 1 Program 2 Program 3 Program 4 Tuesday ON OFF ON _OFF to
9. blank JON Tees ONTIMER OFF TIMER blank D Press NEXT The selected reservation will be deleted 6 Press If there are still other reservations WEEKLY TIMER operation will be activated The reservations for each day of the week This function can be used for deleting reservations for each day of the week It can be used while confirming or setting reservations A 1 Press to select the day of the week to be deleted 2 Hold WEEKLY for 5 seconds The reservation of the selected day of the week will be deleted Hold WEEKLY for 5 seconds while normal display Be sure to direct the remote controller toward the indoor unit and check for a receiving tone This operation is not effective on the setting display of WEEKLY TIMER All reservations will be deleted 2f Note for Multi System Multi system has one outdoor unit connected to multiple indoor units Selecting the operation mode With the priority room setting present but inactive or not present When more than one indoor unit is operating priority is given to the first unit that was turned on In this case set the units that are turned on later to the same operation mode as the first unit Otherwise they will enter the standby state and the OPERATION lamp will flash this does not indicate malfunction B Notes on operation mode for multi system COOL DRY
10. EYE Operation 15 POWERFUL Operation 17 OUTDOOR UNIT QUIET Operations 18 ECONO 19 OFF TIMER 20 ON 699 ON TIMER Operation 21 WEEKLY TIMER Operation 22 B Multi Connection Note for Multi System 28 B Care Care and 30 Troubleshooting Troubleshooting 1n sd acetone 35 19 Safety Precautions Keep this manual where the operator can easily find it Read the precautions in this manual carefully before operating the unit The precautions described herein are classified as WARNING and CAUTION They both contain important information regarding safety Be sure to observe all precautions without fail N WARNING N CAUTION Failure to follow these instructions properly may result in personal injury or loss of life Failure to observe these instructions properly may result in property damage or personal injury which may be serious depending on the circumstances Q Never attempt NO Never wet the air conditioner nor the remote controller with 51 water Q Be sure to follow the instructions W Never touch the air conditioner nor the remote controller with Be sure to establish an earth connection wet hands
11. Notes on COMFORT AIRFLOW operation The flap position will change preventing air from blowing directly on the occupants of the room POWERFUL operation and COMFORT AIRFLOW operation cannot be used at the same time Priority is given to the function of whichever button is pressed last The airflow rate will be set to AUTO If the upper and lower airflow direction is selected the COMFORT AIRFLOW function will be canceled B Notes on INTELLIGENT EYE operation Application range is as follows Horizontal angle 110 Vertical angle 90 Side view REPOS SERERE PANE Top view 27 Sensor may not detect moving objects further than 7m away Check the application range Sensor detection sensitivity changes according to indoor unit location the speed of passersby temperature range etc The sensor also mistakenly detects pets sunlight fluttering curtains and light reflected off of mirrors as passersby INTELLIGENT EYE operation will not go on during POWERFUL operation NIGHT SET MODE will not go on during use of INTELLIGENT EYE operation B Notes on combination of COMFORT AIRFLOW operation and INTELLIGENT EYE operation The airflow rate will be set to AUTO If the upper and lower airflow direction is selected the COMFORT AIRFLOW operation will be canceled Priority is given to the function of whichever button is pressed last N CAUTION Do not place large objects near the sensor Also keep heating un
12. and FAN operation may be used at the same time AUTO operation automatically selects COOL operation or HEAT operation based on the room temperature Therefore AUTO operation is available when selecting the same operation mode as that of the room with the first unit to be turned on N CAUTION Normally the operation mode in the room where the unit is first run is given priority but the following situations are exceptions so please keep this in mind If the operation mode of the first room is FAN operation then using HEAT operation in any room after this will give priority to HEAT operation In this situation the air conditioner running in FAN operation will go on standby and the OPERATION lamp will flash With the priority room setting active Refer to Priority room setting on the next page LS NIGHT QUIET operation Available only for COOL operation NIGHT QUIET operation requires initial programming during installation Please consult your retailer or dealer for assistance NIGHT QUIET operation reduces the operation noise of the outdoor unit during the nighttime hours to prevent annoyance to neighbors The NIGHT QUIET operation is activated when the temperature drops 6 C or more below the highest temperature recorded that day When the temperature difference between the current outdoor temperature and the maximum outdoor temperature becomes less than 4 C the NIGHT QUIET operation will be stopped NIGHT QUIET op
13. each day of the week It is convenient if the WEEKLY TIMER is set according to the family s life style E Using these cases of WEEKLY TIMER Example The same timer settings are made for the week from Monday through Friday while different timer settings are made for the weekend Monday Make timer settings up to programs 1 4 Program 1 Program 2 Program 3 Program 4 ON OFF Tuesday Use the copy mode to make settings for Tuesday to Friday because these settings are the same as to those for Monday Friday Program 1 Program 2 Program 3 Program 4 ON ON OFF 27 6 00 8 3 17 30 22 00 Saturday No timer settings Sunday Make timer settings up to programs 1 4 Program 1 Program 2 Program 3 Program 4 ON OFF OFF 211 b 8 00 d 9 Up to 4 reservations per day and 28 reservations per week can be set in the WEEKLY TIMER The effective use of the copy mode ensures ease of making reservations The use of ON ON ON ON settings for example makes it possible to schedule operating mode and set temperature changes Furthermore by using OFF OFF OFF OFF settings only the turn off time of each day can be set This will turn off the air conditioner automatically if
14. used at the other room before you use the fan operation E We recommend periodical maintenance n certain operating conditions the inside of the air conditioner may get foul after several seasons of use resulting in poor performance It is recommended to have periodical maintenance by a specialist aside from regular cleaning by the user For specialist maintenance contact the service shop where you bought the air conditioner The maintenance cost must be born by the user 34 Troubleshooting E These cases not troubles The following cases are not air conditioner troubles but have some reasons You may just continue using it The flaps do not start swing immediately The air conditioner is adjusting the flap position The flap will start moving soon The HEAT operation stops suddenly and a flowing sound is heard The outdoor unit is taking away the frost The HEAT operation starts after the frost on the outdoor unit is removed You should wait for about 4 to 12 minutes Operation does not start soon im When ON OFF button was pressed soon after operation was stopped E When the mode was reselected This is to protect the air conditioner You should wait for about 3 minutes Outdoor unit HEAT operation conditioner is in defrost operation COOL or DRY operation unit piping and drips 35 The outdoor unit emits water or steam The frost on the outdoo
15. 27 gt Friday s 8 30 17 30 22 00 Setting Displays he e ON nn gt WEEKLY lt gt CEN lt ON nn MON Ju TUE Ju MON cm A 05 25 15 38 Confirmation display Copy display Paste display Normal display 1 Press A 2 Press to confirm the day of the week to be copied Press COPY The whole reservation of the selected day of the week will be copied 3 A 4 Press to select the destination day of the week 5 Press COPY The reservation will be copied to the selected day of the week The whole reservation of the selected day of the week will be copied To continue copying the settings to other days of the week repeat STEP 4 and STEP 5 6 Press to complete the setting GE is displayed on the LCD and WEEKLY TIMER operation is activated NOTE B Note on COPY MODE The entire reservation of the source day of the week is copied in the copy mode In the case of making a reservation change for any day of the week individually after copying the content of weekly reservations press and change the settings in the steps of Setting mode 25 anm TUE 5 00 B Confirming a reservation The reservation can be confirmed Setting Displays 500 630 05 Normal display Confirmation display 1 Press 29 The day o
16. 5555555955555005565555 5060005 155555555555 5250560990000 25 52555525555650595565 555555555555 825555555555 25 555 Appearance of the outdoor unit may differ from some models Air inlet back and side 5525555 555559 5555 255555554 see Air outlet Air filter VT ANS Titanium apatite photocatalytic air purifying filter Outdoor temperature sensor back nz Drain hose IH Earth terminal lt It is inside of this cover Name plate e Refrigerant piping and inter unit wiring Name of Parts Remote Controller Signal transmitter Display LCD or It displays the current settings Receiver 5 In this illustration each section is x 2 shown with all its displays on for the purpose of explanation To use the remote controller aim the amp 57579 transmitter at the indoor unit If there is anything to block signals between OFF the unit and the remote controller SATSUN ngA 98 such as a curtain the unit will not operate gt Ch ON OFF TEMPERATURE Do not drop the remote controller Do adjustment buttons not get it wet POWERFUL maximum distance for t changes the temperature setting communication is approx 7m FAN setting button ON OFF button It selects the airflow rate setting
17. Press a or v TEMP The displayed items on the LCD will change whenever either one of the buttons is pressed COOL operation HEAT operation AUTO operation DRY or FAN operation 18 32 C 10 30 C 18 30 C The temperature setting is Press to raise the temperature and press W to lower the not variable temperature Operating conditions B Recommended temperature setting For cooling 26 28 For heating 20 24 E Tips for saving energy Be careful not to cool heat the room too much Keeping the temperature setting at a moderate level helps save energy Cover windows with a blind or a curtain Blocking sunlight and air from outdoors increases the cooling heating effect Clogged air filters cause inefficient operation and waste energy Clean them once in about every 2 weeks B Notes on the operating conditions The air conditioner always consumes a small amount of electricity even while it is not operating f you are not going to use the air conditioner for a long period for example in spring or autumn turn the breaker off Use the air conditioner in the following conditions MODE Operating conditions If operation is continued out of this range Outdoor temperature 10 to 46 A safety device may work to stop the operation COOL Indoor temperature 18 to 32 C In multi system it may work to s
18. TURE SENSOR L3 ELECTRICAL PARTS HEAT FAULT L4 HIGH TEMPERATURE AT INVERTER CIRCUIT HEATSINK L5 OUTPUT OVERCURRENT P4 FAULTY INVERTER CIRCUIT HEATSINK TEMPERATURE SENSOR NOTE Ashort beep and 2 consecutive beeps indicate non corresponding codes To cancel the code display hold the CANCEL down for 5 seconds The code display also cancel itself if the button is not pressed for 1 minute 39 Quick Reference DAIKIN INDUSTRIES LTD Head office Umeda Center Bldg 2 4 12 Nakazaki Nishi Kita ku Osaka 530 8323 Japan Tokyo office JR Shinagawa East Bldg 2 18 1 Konan Minato ku Tokyo 108 0075 Japan http www daikin com global_ac uM TR for manufacturing 3 291209 1 11 021
19. Timer functions are useful for automatically switching the air conditioner on or off at night or in the morning You can also use OFF TIMER and ON TIMER in combination To use OFF TIMER operation Check that the clock is correct If not set the clock to the present time 1 Press OFF loc is displayed on the LCD OFF blinks and day of the week disappear from the LCD 2 Press T until the time setting reaches the point you like Each pressing of either button increases or decreases the time setting by 10 minutes Holding down either button changes the time setting rapidly 3 Press again OFF and setting time are displayed on the LCD The TIMER lamp lights yellow TEO Ce Display B To cancel OFF TIMER operation Press CANCEL OFF and setting time disappear from the LCD and day of the week are displayed on the LCD The TIMER lamp goes off NOTE B Notes on TIMER operation When TIMER is set the present time is not displayed Once you set ON OFF TIMER the time setting is kept in the memory The memory is canceled when remote controller batteries are replaced When operating the unit via the ON OFF timer the actual length of operation may vary from the time entered by the user Maximum approx 10 minutes m NIGHT SET MODE When the OFF TIMER is set the air conditioner automat
20. as shown in the illustration so that the HEAT operation can be selected with the MODE selector button B The LCD displays AUTO and HEAT operation modes though the unit is a cooling only model Slide the DIP switch to the right as shown in the illustration so that the AUTO and HEAT operation displays will disappear Heat pump model Cooling only model DIP switch DIP switch ur de zi 37 The ON OFF TIMER does not operate according to the settings Check if the ON OFF TIMER and the WEEKLY TIMER are set to the same time Change or deactivate the settings in the WEEKLY TIMER The indoor unit gives out odour This happens when smells of the room furniture or cigarettes are absorbed into the unit and discharged with the airflow If this happens we recommend you to have the indoor unit washed by a technician Consult the service shop where you bought the air conditioner The outdoor fan rotates while the air conditioner is not in operation B After operation is stopped The outdoor fan continues rotating for another 60 seconds for system protection E While the air conditioner is not in operation When the outdoor temperature is very high the outdoor fan starts rotating for system protection An abnormal functioning happens during operation The air conditioner may malfunction with lightning or radio waves Turn the breaker off turn
21. d open it Press the front panel at both sides and the center to close it Cleaning parts S tab Air filter Vacuum dust or wash the filter Once every Nes with pe cloth 2 weeks EIL soaked in water If bothered by dirt Refer to Refer to 6 Front panel Titanium apatite photocatalytic air purifying filter Indoor unit Outdoor unit and Vacuum dust or replace the filter Remote controller Cleaning Replacement Once every 6 months Once every 3 years Wipe them with soft cloth Refer to Refer to If bothered by dirt Notes on cleaning E For cleaning do not use the materials as follows Hot water above 40 C Benzine gasoline thinner other volatile oils Polishing compound Scrubbing brushes other hard stuff Benzine CAUTION Before cleaning be sure to stop the operation and turn the breaker off Do not touch the aluminum fins of the indoor unit If you touch those parts this may cause an injury 30 Care and Cleaning B Front panel 1 Remove the front panel Open the front panel Slide the front panel to either the left or right and pulling it toward you This will disconnect the front panel shaft on one side p 2 Pull m Front panel shaft mel Pull
22. e or trouble Do not sit on the outdoor unit put things on the unit or pull the unit Doing so may cause accidents such as falling or toppling down thus resulting in injury product malfunctioning or product damage N CAUTION Do not place objects that are susceptible to moisture directly beneath the indoor or outdoor units Under certain conditions condensation on the main unit or refrigerant pipes air filter dirt or drain blockage may cause dripping resulting in fouling or failure of the object concerned After prolonged use check the unit stand and its mounts for damage If they are left in a damaged condition the unit may fall and cause injury To avoid injury do not touch the air inlet or aluminum fins of the indoor or outdoor units This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Children should be supervised to ensure that they do not play with the unit or its remote controller Accidental operation by a child may result in impairment of bodily functions and harm health Do not give impact to the indoor and outdoor units or otherwise product damage may result Do not place flammable items such as spray cans within 1 meter of the air outlet The spray cans may explode as a result
23. er can select a different operation mode from other rooms Example Room A is the priority room in the examples When COOL operation is selected in room A while operating the following modes in room B C and D Operation mode in room B C and D Status of room B C and D when the unit in room A is in COOL operation COOL or DRY or FAN Current operation mode maintained HEAT The unit enters standby mode Operation resumes when the room A unit stops operating If the unit is set to COOL operation operation continues If the unit is set to HEAT operation it enters standby mode Operation resumes when the room A unit stops operating Priority when POWERFUL operation is used Example e Room A is the priority room in the examples The indoor units in rooms A B C and D are all operating If the unit in room A enters POWERFUL operation operation capacity will be concentrated in room A In such a case the cooling heating efficiency of the units in room B C and D may be slightly reduced Priority when using OUTDOOR UNIT QUIET operation Example Room A is the priority room in the examples Just by setting the unit in room A to QUIET operation the air conditioner starts OUTDOOR UNIT QUIET operation You don t have to set all the operated indoor units to QUIET operation AUTO 29 Care and Cleaning B Quick reference How to open close the front panel Hold the front panel by the panel tabs on the 2 sides an
24. eration reduces slightly the cooling efficiency of the unit B OUTDOOR UNIT QUIET operation Refer to OUTDOOR UNIT QUIET operation With the priority room setting present but inactive or not present When using the OUTDOOR UNIT QUIET operation feature with the Multi system set all indoor units to OUTDOOR UNIT QUIET operation using their remote controllers When clearing OUTDOOR UNIT QUIET operation clear one of the operating indoor units using their remote controller However OUTDOOR UNIT QUIET operation display remains on the remote controller for other rooms We recommend you release all rooms using their remote controllers With the priority room setting active Refer to Priority room setting on the next page 28 Note for Multi System E COOL HEAT mode lock The COOL HEAT mode lock requires initial programming during installation Please consult your authorized dealer for assistance The COOL HEAT mode lock sets the unit forcibly to either COOL or HEAT operation This function is convenient when you wish to set all indoor units connected to the multi system to the same operation mode B Priority room setting The priority room setting requires initial programming during installation Please consult your authorized dealer for assistance The room designated as the priority room takes priority in the following situations Operation mode priority As the operation mode of the priority room takes precedence the us
25. ervice person confirms that the leakage has been repaired Do not attempt to install or repair the air conditioner yourself Improper workmanship may result in water leakage electric shocks or fire hazards Please contact your local dealer or qualified personnel for installation and maintenance work When the air conditioner is malfunctioning giving off a burning odour etc turn off power to the unit and contact your local dealer Continued operation under such circumstances may result in a failure electric shocks or fire hazards Be sure to install an earth leakage breaker Failure to install the earth leakage breaker may result in electric shocks or fire Be sure to earth the unit Do not earth the unit to a utility pipe lightning conductor or telephone earth lead Imperfect earthing may result in electric shocks N CAUTION S Do not use the air conditioner for purposes other than those for which it is intended Do not use the air conditioner for cooling precision instruments food plants animals or works of art as this may adversely affect the performance quality and or longevity of the object concerned Do not expose plants or animals directly to airflow from the unit as this may cause adverse effects Do not place appliances that produce naked flames in places exposed to the airflow from the unit as this may impair combustion of the burner Do not block air inlets nor outlets Impaired airflow may result in insufficient performanc
26. f the week and the reservation number of current day will be displayed A 2 Press to select the day of the week and the reservation number to be confirmed A Pressing displays the reservation details v To change the confirmed reserved settings select the reservation number and press NEXT The mode is switched to setting mode Go to Setting mode STEP 4 3 Press to exit confirming mode is displayed on the LCD and WEEKLY TIMER operation is activated The TIMER lamp lights yellow IE Cg Display B To deactivate WEEKLY TIMER operation Press WEEKLY j while is displayed the LCD disappears from the LCD The TIMER lamp goes off To reactivate the WEEKLY TIMER operation press again If a reservation deactivated with WEEKLY is activated once again the last reservation mode will be used 26 WEEKLY TIMER Operation delete reservations The individual reservation 1 Press The day of the week and the reservation number will be displayed ON TUE 5 00 A 2 Press to select the day of the week and the reservation number to be deleted 3 Press NEXT PIIM and or OFF blink A 4 Press and select blank A Pressing SELECT changes ON OFF TIMER mode v The reservation will be no setting with selecting
27. ically adjusts the temperature setting 0 5 C up in COOL 2 0 C down in HEAT to prevent excessive cooling heating for your pleasant sleep 20 ON TIMER Operation Check that the clock is correct If not set the clock to the present time 1 Press ON is displayed on the LCD o EOD ON blinks e and day of the week disappear from the LCD A 2 Press until the time setting reaches the point you like Each pressing of either button increases or decreases the time setting by 10 minutes Holding down either button changes the setting rapidly 3 Press again ON and setting time are displayed on the LCD The TIMER lamp lights yellow LEO ce Display B To cancel ON TIMER operation Press CANCEL ON and setting time disappear from the LCD and day of the week are displayed on the LCD The TIMER lamp goes off combine TIMER and OFF TIMER Asample setting for combining the 2 timers is shown below Example Present time 23 00 The unit operating OFF TIMER at 0 00 Combined ON TIMER at 14 00 NOTE B In the following cases set the timer again After a breaker has turned off After a power failure After replacing batteries in the remote controller 21 WEEKLY TIMER Operation Up to 4 timer settings can be saved for
28. it on again and try operating the air conditioner with the remote controller Call the service shop immediately N WARNING B When an abnormality such as a burning smell occurs stop operation and turn the breaker off Continued operation in an abnormal condition may result in troubles electric shocks or fire Consult the service shop where you bought the air conditioner E Do not attempt to repair or modify the air conditioner by yourself Incorrect work may result in electric shocks or fire Consult the service shop where you bought the air conditioner If one of the following symptoms takes place call the service shop immediately The power cord is abnormally hot or damaged An abnormal sound is heard during operation The safety breaker a fuse or the earth leakage breaker cuts off the operation frequently Turn the breaker off and call the service shop Q A switch or a button often fails to work properly There is a burning smell Water leaks from the indoor unit B After a power failure The air conditioner automatically resumes operation in about 3 minutes You should just wait for a while B Lightning If lightning may strike the neighbouring area stop operation and turn the breaker off for system protection B Disposal requirements Dismantling of the unit treatment of the refrigerant oil and eventual other parts should be done in accordance with the relevant l
29. its or humidifiers outside the sensor s detection area This sensor can detect undesirable objects Do not hit or violently push the INTELLIGENT EYE sensor This can lead to damage and malfunction 16 4 POWERFUL Operation POWERFUL operation quickly maximizes the cooling heating effect in any operation mode You can get the maximum capacity B To start POWERFUL operation Press during operation POWERFUL operation ends in 20 minutes Then the system automatically operates again with the previous settings which were used before POWERFUL operation 4 is displayed on the LCD B To cancel POWERFUL operation Press again t disappears from the LCD Example B Normal operation BPOWERFUL operation E Back to normal When you want to get the POWERFUL operation will operation cooling effect quickly start work for 20 minutes the powerful operation B Notes on POWERFUL operation When using POWERFUL operation there are some functions which are not available POWERFUL operation cannot be used together with ECONO COMFORT AIRFLOW or OUTDOOR UNIT QUIET operation Priority is given to the function of whichever button is pressed last ON OFF POWERFUL operation can only be set when the unit is running Pressing causes the settings to be canceled and 2 disappears from the LCD POWERFUL operation will not increase the capacity of the air co
30. k A 6 Press EET to select the desired time The time can be set between 0 00 and 23 50 in 10 minute intervals To return to the ON OFF TIMER mode setting press BACK Go to STEP 9 when setting the OFF TIMER 7 Press NEXT The time will be set and the temperature blink A 8 Press E to select the desired temperature The temperature can be set between 10 and 32 Cooling The unit operates at 18 even if it is set at 10 to 17 Heating The unit operates at 30 even if it is set at 31 to 32 To return to the time setting press BACK J The set temperature is only displayed when the mode setting is on 9 Press NEXT The temperature will be set and go to the next reservation setting To continue further settings repeat the procedure from STEP 4 10 Press to complete the setting Be sure to direct the remote controller toward the indoor unit and check for a receiving tone and flashing the OPERATION lamp GET is displayed on the LCD and WEEKLY TIMER operation is activated The TIMER lamp lights yellow bA VAEN Ce Display Areservation made once can be easily copied and the same settings used for another day of the week Refer to Copy mode NOTE B Notes on WEEKLY TIMER operation Do not forget to set the clock on the remote controller first The day of the week
31. laps or louvers have reached the desired position the 3 D airflow the flaps and louvers move in turn or ZN disappears from the LCD 13 To adjust the airflow rate setting Press e Each pressing of advances the airflow rate setting in sequence Bia A e e gt ie gt fies v o 2 2 Auto Indoor unit quiet Low Middle low e e High Middle high Middle e When the airflow is set to 2 amp indoor unit quiet operation will start and the noise from the unit will become quieter indoor unit quiet operation the airflow rate is set to a weak level In DRY operation the airflow rate setting is not variable NOTE E Note on the angles of the flaps The flaps swinging range depends on the operation mode See the figure COOL and DRY operation HEAT operation FAN operation Stop 8 ea AIRFLOW 30 Upper limit lo Upper limit 45 Upper limit 70 Lower limit Stop operation Lower limit gge Lower limit Stop operation COMFORT AIRFLOW E Note on 3 D airflow Using 3 D airflow circulates cold air which tends to collected at the bottom of the room and hot air which tends to collect near the ceiling throughout the room preventing areas of cold and hot developing B Note on airflow rate setting At smaller airflow
32. nditioner if the air conditioner is already in operation with its maximum capacity demonstrated In COOL HEAT and AUTO operation To maximize the cooling heating effect the capacity of outdoor unit is increased and the airflow rate is fixed to the maximum setting The temperature and airflow settings are not variable DRY operation The temperature setting is lowered by 2 5 C and the airflow rate is slightly increased In FAN operation The airflow rate is fixed to the maximum setting When using priority room setting See note for multi system 17 OUTDOOR UNIT QUIET Operation OUTDOOR UNIT QUIET operation lowers the noise level of the outdoor unit by changing the frequency and fan speed on the outdoor unit This function is convenient during the night B To start OUTDOOR UNIT QUIET operation Press 79 RX is displayed on the LCD B To cancel OUTDOOR UNIT QUIET operation Press again disappears from the LCD WU UU U0 Example Using the OUTDOOR UNIT QUIET operation during the night aula The noise level of the outdoor unit will be lower This function is useful when you need to consider the noise for your neighbourhood NOTE B Notes on OUTDOOR UNIT QUIET operation If using a multi system the OUTDOOR UNIT QUIET operation will work only when this func
33. ocal and national regulations 38 Troubleshooting Fault diagnosis by remote controller the ARC452A series the temperature display sections on the main unit indicate corresponding codes 1 When is held down for 5 seconds a indication flashes on the temperature display section 2 Press CANCEL repeatedly until a continuous beep is produced The code indication changes as shown below and notifies with a long beep CANCEL CODE MEANING 00 NORMAL UA INDOOR OUTDOOR UNIT COMBINATION FAULT SYSTEM UO REFRIGERANT SHORTAGE U2 DROP VOLTAGE OR MAIN CIRCUIT OVERVOLTAGE 04 FAILURE OF TRANSMISSION BETWEEN INDOOR UNIT AND OUTDOOR UNIT At INDOOR PCB DEFECTIVENESS INDOOR 5 HIGH PRESSURE CONTROL OR FREEZE UP PROTECTOR A6 FAN MOTOR FAULT UNIT C4 FAULTY HEAT EXCHANGER TEMPERATURE SENSOR C9 FAULTY SUCTION AIR TEMPERATURE SENSOR EA COOLING HEATING SWITCHING ERROR 1 CIRCUIT BOARD FAULT E5 OL STARTED E6 FAULTY COMPRESSOR START UP E7 DC FAN MOTOR FAULT OVERCURRENT INPUT F3 HIGH TEMPERATURE DISCHARGE PIPE CONTROL F6 HIGH PRESSURE CONTROL IN COOLING OUTDOOR HO SENSOR FAULT UNIT H6 OPERATION HALT DUE TO FAULTY POSITION DETECTION SENSOR H8 DC CURRENT SENSOR FAULT H9 FAULTY SUCTION AIR TEMPERATURE SENSOR J3 FAULTY DISCHARGE PIPE TEMPERATURE SENSOR J6 FAULTY HEAT EXCHANGER TEMPERA
34. of hot air from the indoor or outdoor units Be careful not to let pets urinate on the air conditioner Urination on the air conditioner may result in electric shocks or fire e To avoid oxygen depletion ensure that the room is adequately ventilated if equipment such as a burner is used together with the air conditioner Before cleaning be sure to stop unit operation turn the breaker off or remove the power cord Otherwise an electric shock and injury may result Only connect the air conditioner to the specified power supply circuit Power supplies other than the one specified may result in electric shocks overheating and fires Arrange the drain hose to ensure smooth drainage Imperfect drainage may cause wetting of the building furniture etc Do not place objects in direct proximity of the outdoor unit and do not let leaves and other debris accumulate around the unit Leaves are a hotbed for small animals which can enter the unit Once in the unit such animals can cause malfunctions smoke or fire when making contact with electrical parts Do not place objects around the indoor unit Doing so may have an adverse influence on the performance product quality and life of the air conditioner This appliance is not intended to be used by persons with reduced physical sensory or mental capabilities or with lack of operation knowledge unless they have been given supervision or instruction concerning the appliance use by person respon
35. on E To set the clock 1 Press 6 is displayed MON and blink 4n blinks A 4 Press to set the clock to the present time Holding down A or W button rapidly increases or decreases the time display 5 Press 6 Point the remote controller at the indoor unit when pressing the buttons blinks NOTE B Note on setting the clock If the indoor unit s internal clock is not set to the correct time ON OFF TIMER and WEEKLY TIMER will not operate punctually AUTO DRY COOL HEAT FAN Operation The air conditioner operates with the operation mode of your choice From the next time on the air conditioner will operate with the same operation mode Bi To start operation 1 Press and select a operation mode Each pressing of the button advances the mode setting in sequence 6 gt COOLING ONLY model COOL 5 men model AUTO DRY COOL HEAT FAN ON OFF 2 Press ON is displayed on the LCD The OPERATION lamp lights green Go oe Display To stop operation ON OFF Press again disappears from the LCD The OPERATION lamp goes off NOTE MODE Notes on each operation mode Since this air conditioner heats the room by taking heat from outdo
36. on are used at same time a circuit breaker may trip if the air conditioner operate with its maximum capacity Running current and power consumption Maximum during Normal normal operation operation Maximum during ECONO operation ECONO operation Time From start up until set temperature is reached NOTE The maximum power consumption of the air conditioner is limited by using ECONO operation The circuit breaker will hardly trip even if the air conditioner and other appliances are used at same time This diagram is a representation for illustrative purposes only The maximum running current and power consumption of the air conditioner in ECONO operation vary with the connecting outdoor unit B Notes on ECONO operation ECONO operation can only be set when the unit is running Pressing causes the settings to be canceled and 7 disappears from the LCD ECONO operation is a function which enables efficient operation by limiting the power consumption of the outdoor unit operating frequency ECONO operation functions in AUTO COOL DRY and HEAT operation POWERFUL and ECONO operation cannot be used at the same time Priority is given to the function of whichever button is pressed last f the level of power consumption is already low ECONO operation will not drop the power consumption 19 FF OFF TIMER Operation
37. or air to indoors the heating capacity becomes smaller in lower outdoor temperatures If the heating effect is insufficient it is recommended to use another heating appliance in combination with the air conditioner The heat pump system heats the room by circulating hot air around all parts of the room After the start of heating operation it takes some time before the room gets warmer In HEAT operation frost may occur on the outdoor unit and lower the heating capacity In that case the system switches into defrosting operation to take away the frost During defrosting operation hot air does not flow out of indoor unit HEAT This air conditioner cools the room by releasing the heat in the room outside Therefore the cooling performance of the air conditioner may be degraded if the outdoor temperature is high The computer chip works to rid the room of humidity while maintaining the temperature as much as possible It automatically controls temperature and airflow rate so manual adjustment of these functions is unavailable e In AUTO operation the system selects an appropriate operation mode COOL or HEAT based on the room and outside AUTO temperatures and starts the operation The system automatically reselects setting at a regular interval to bring the room temperature to user setting level COOL DRY FAN This mode is valid for fan only 11 E change the temperature setting TEMP
38. ple again INTELLIGENT EYE operation is useful for energy saving B Energy saving operation If no presence detected in the room for 20 minutes the energy saving operation will start This operation changes the temperature 2 in HEAT 2 C in COOL 2 in DRY operation from set temperature When the room temperature exceeds 30 C the operation changes the temperature 1 C in COOL 1 C in DRY operation from set temperature This operation decreases the airflow rate slightly in FAN operation only E Combination COMFORT AIRFLOW and INTELLIGENT EYE operation The air conditioner can go into operation with the COMFORT AIRFLOW and INTELLIGENT EYE functions combined 15 To start operation Press and select the desired mode Each time the 2 27 is pressed a different setting option is displayed on the LCD The INTELLIGENT EYE lamp lights green 9 TEx N Display By selecting from the following icons the air conditioner will be in COMFORT AIRFLOW operation combined with INTELLIGENT EYE operation COMFORT INTELLIGENT Combination No Setting AIRFLOW EYE When the flaps horizontal blades are swinging the operating as above will stop movement of them The lamp will be lit while human movements are detected cancel operation Press and select blank on the LCD The INTELLIGENT EYE lamp goes off NOTE B
39. r unit melts into water or steam when the air Moisture in the air condenses into water on the cool surface of outdoor Wo Wai Wa Wa Wl Wn MT UEM i WA sound like a flow of water This sound is generated because the refrigerant in the air conditioner is flowing This is a pumping sound of the water in the air conditioner it is heard when the water is pumped out from the air conditioner in cooling or drying operation The refrigerant flows in the air conditioner even if the air conditioner is not working when the indoor units in other rooms are in operation BBlowing sound This sound is generated when the flow of the refrigerant in the air conditioner is switched over sound This sound is generated when the size of the air conditioner slightly expands or shrinks as a result of temperature changes iWhistling sound This sound is generated when refrigerant flows during defrosting operation Clicking sound during operation or idle time This sound is generated when the refrigerant control valves or the electrical parts operate EClopping sound This sound is heard from the inside of the air conditioner when the exhaust fan is activated while the room doors are closed Open the window or turn off the exhaust fan Troubleshooting measures are classified into the following two types on a remedial basis
40. rates the cooling heating effect is also smaller N CAUTION Always use a remote controller to adjust the angles of the flaps and louvers If you attempt to move the flaps and louvers forcibly with hand when they are swinging the mechanism may be broken Always use a remote controller to adjust the louvers angles Inside the air outlet a fan is rotating at a high speed 14 P COMFORT AIRFLOW INTELLIGENT EYE Operation COMFORT AIRFLOW operation The flow of air will be in the upward direction while in COOL operation and in the downward direction while in HEAT operation which will provide a comfortable wind that will not come in direct contact with people COOL operation HEAT operation B INTELLIGENT EYE operation INTELLIGENT EYF is the infrared sensor which detects the human movement If no one is in the room for more than 20 minutes the operation automatically changes to energy saving operation Example When someone is When no one is in the Someone is back in the room E Normal operation 20 min after start E Back to normal The air conditioner is in energy saving operation normal operation while the operation The air conditioner will sensor is detecting the The set temperature is return to normal operation movement of people shifted in 2 steps when the sensor detects the movement of peo
41. sible for their safety Keep out of children s reach to ensure that they do not play with the appliance To avoid electric shocks do not operate with wet hands Do not wash the air conditioner with water as this may result in electric shocks or fire Do not place water containers vases etc above the unit as this may result in electric shocks or fire hazards Installation site E To install the air conditioner in the following types of environments consult the dealer Places with an oily ambient or where steam or soot occurs Salty environment such as coastal areas Places where sulfide gas occurs such as hot springs Places where snow may block the outdoor unit The indoor unit is at least 1 meter away from any television or radio set unit may cause interference with the picture or sound The drain from the outdoor unit must be discharged to a place of good drainage Consider nuisance to your neighbours from noises B For installation choose a place as described below A place solid enough to bear the weight of the unit which does not amplify the operation noise or vibration A place from where the air discharged from the outdoor unit or the operation noise will not annoy your neighbours Electrical work For power supply be sure to use a separate power circuit dedicated to the air conditioner System relocation B Relocating the air conditioner requires specialized knowledge and skills Please con
42. sult the dealer if relocation is necessary for moving or remodeling 4 Name of Parts Air inlet Front panel 9 Panel tab AN COS Sa INTELLIGENT EYE I sensor It detects the movements of Model people and automatically lat switches between normal name piate operation and energy saving i tion Air outlet operation Louvers vertical blades The louvers are inside of the air Room temperature outlet sensor t detects the air temperature d the unit Flaps horizontal blades around the uni Display EE O lamp green sa TIMER I Il Signal receiver 7 dol amp yellow GEE It receives signals from the remote cee controller P INTELLIGENT EYE lamp When the unit receives a signal you green will hear a beep sound Case Sound type Operation start beep beep Setting changed beep Indoor unit ON OFF switch Operation stop long beep Press this switch once to start operation Press once again to stop it The operation mode refer to the following table Model Mode Temperature setting Airflow rate COOLING ONLY COOL 22 AUTO HEAT PUMP AUTO 25 AUTO This switch is useful when the remote controller is missing Open the front panel FEDES Rises 555555555555 8
43. t the lamps flash When the operation mode is in AUTO set all indoor unit operation modes to COOL or HEAT for a moment and check again that the lamps are normal If the lamps stop flashing after the above steps there is nor alfur ction 28 Mist comes out of the indoor unit This happens when the air in the room is cooled into mist by the cold airflow during COOL operation This is because the air in the room is cooled by the heat exchanger and becomes mist during defrosting operation 36 Troubleshooting Cooling Heating effect is poor Are the air filters clean s there anything to block the air inlet or the outlet of the indoor and the outdoor units s the temperature setting appropriate Are the windows and doors closed Are the airflow rate and the airflow direction set appropriately Remote controller does not work properly B No remote controller signals are displayed B The remote controller sensitivity is low B The display is low in contrast or blacked out B The display runs out of control The batteries are dying and the remote controller is malfunctioning Replace all the batteries with new size AAA LROS alkaline For details refer to To set the batteries of this manual The operation mode display of the remote controller is unusual B Heating cannot be selected even though the unit is heat pump model Slide the DIP switch to the left
44. tc with the a screws supplied with the holder 1 E 2 z 3 Place the remote controller in the remote controller holder Screws w 2 v1 Remote os controller holder NOTE B Notes on batteries When replacing the batteries use batteries of the same type and replace the 2 old batteries together When the system is not used for a long time take the batteries out The batteries will last for approx 1 year If the remote controller display begins to fade and the degradation of reception performance occurs within a year however replace both 2 batteries with new size AAA LRO3 alkaline The attached batteries are provided for the initial use of the system The usable period of the batteries may be short depending on the manufactured date of the air conditioner B Notes on remote controller Never expose the remote controller to direct sunlight Dust on the signal transmitter or receiver will reduce the sensitivity Wipe off dust with soft cloth Signal communication may be disabled if an electronic starter type fluorescent lamp such as inverter type lamps is in the room Consult the shop if that is the case If the remote controller signals happen to operate another appliance move that appliance to somewhere else or consult the service shop Turn the breaker After the power is turned on the flaps of the indoor unit opens and closes once to set the reference positi
45. the user forgets to turn it off 22 WEEKLY 23 MON ON m Lu 2 WEEKLY TIMER Operation B To use WEEKLY TIMER operation Make sure the day of the week and time are set If not set the day of the week and time Program 1 Program 2 Program 3 Program 4 ON ON OFF Monday Y 27 gt 6 00 8 30 17 30 i 22 00 Setting Displays 111 Se E N 2108 gt LES lt ON Day and number settings ON OFF settings Time settings Temperature settings 1 Press gt The day of the week and the reservation number of the current day will be displayed 1 to 4 settings can be made per day A 2 Press to select the desired day of the week and reservation number A Pressing changes the reservation number and the day of the week 3 Press NEXT The day of the week and reservation number will be set GET and ON blink A 4 Press to select the desired mode A e Pressing SELECT changes or OFF setting in sequence v JON BN 18 ON TIMER OFF TIMER blank In case the reservation has already been set selecting blank deletes the reservation Go to STEP 9 if blank is selected 5 Press NEXT The ON OFF TIMER mode will be set GE and the time blin
46. tion is set on all operated indoor units However if using priority room setting refer to Note for multi system This function is available in COOL HEAT and AUTO operation This is not available in FAN and DRY operation POWERFUL operation and OUTDOOR UNIT QUIET operation cannot be used at the same time Priority is given to the function of whichever button is pressed last Even the operation is stopped using the remote controller or the main unit ON OFF switch when using OUTDOOR UNIT QUIET operation RX will remain on the remote controller display OUTDOOR UNIT QUIET operation will drop neither the frequency nor fan speed if they have been already dropped low enough 18 5 ECONO Operation ECONO operation is a function which enables efficient operation by limiting the maximum power consumption value This function is useful for cases in which attention should be paid to ensure a circuit breaker will not trip when the product runs alongside other appliances B To start ECONO operation Press GEC0N0 during operation X is displayed on the LCD Press GECON0 again disappears from the LCD B To cancel ECONO operation ECONO operation Example Normal operation 99 i IN In case the air conditioner and other appliances which require high power consumpti
47. top the operation of the outdoor unit only Indoor humidity 80 max Condensation may occur on the indoor unit and drip Outdoor temperature 15 to 24 A safety device may work to stop the operation HEAT o Indoor temperature 10 to 30 C Outdoor temperature 10 to 46 A safety device may work to stop the operation DRY Indoor temperature 18 to 32 Condensation may occur on the indoor unit and drip Indoor humidity 80 max Operation outside this humidity or temperature range may cause a safety device to disable the system Adjusting the Airflow Direction and Rate You can adjust the airflow direction to increase your comfort start auto swing Upper and lower airflow direction Press 3 is displayed on the LCD The flaps horizontal blades will begin to swing Press as ul NN es ZIN is displayed on the LCD The louvers vertical blades will begin to swing Bie c n Press and ZI f y and 1 are displayed on the LCD The flaps and louvers move in turn cancel 3 D airflow press either or again uw The flaps or louvers will stop moving B To set the flaps or louvers at desired position This function is effective while flaps or louvers are in auto swing mode Press and when the f
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