Fujitsu R410A User's Manual
Contents
1. LT 48 QTMERMODE DAY IFAN ooo MODE OTT eue w AC D OSET BACK 3 00 m s i Lok dr 9 9 WERDELETE TMERSET UANTENAIOE ECONOMY 2 u 9 2 FILTER A TA pam H D Start Stop Button 2 Set Temperature Button 3 Master Control Button 4 Fan Control Button Economy Button 6 Timer Mode CLOCK ADJUST Button T DAY DAY OFF Button 8 SET BACK Button 9 Set Time Button 40 DELETE Button 4 SET Button 42 Vertical Airflow Direction and Swing Button 63 Horizontal Airflow Direction and Swing Button Filter Button 5 Operation Lamp Timer and Clock Display 40 Operation Mode Display Fan Speed Display Operation Lock Display Q9 Temperature Display Function Display Defrost Display Thermo Sensor Display Economy Display Vertical Swing Display Horizontal Swing Display 5 HH Filter Display 1 6 These functions cannot be used PREPARATORY OPERATION Set the current day and time y DAY 1 aa l Press the DAY button and select the current day AL Jappears around the selected day CLOCK ADJUS DAY OFF Press the timer mode CLOCK SU MO TU WE TH FR SA ADJUST button for 2 seconds or more The time display on the remote contr2. Use to cool your room Use for gently cooling while dehumidifying your room You cannot heat the room during Dry mode During Dry mode the unit will operate at low speed in order to adjust room humidity the indoor unit s fan may stop from time to time The fan speed cannot be changed manually when Dry mode has been selected Use to circulate the air throughout your room Set the thermostat to a temperature set ting that is higher than the current room temperature The Heating mode will not operate if the thermostat is set lower than the actual room temperature During Cooling Dry mode Set the thermostat to a temperature set ting that is lower than the current room temperature The Cooling and Dry modes will not operate if the thermostat is set higher than the actual room temperature in Cooling mode the fan alone will ope rate During Fan mode You can not use the unit to heat and cool your room AUTO Restart In Event of Power Interruption e Should the power supply to the air conditioner be inter rupted by a power failure the air conditioner will restart automatically in the previously selected mode once the power is restored 13 Use of other electrical appliances electric shaver etc or nearby use of a wireless radio transmitter may cause the air conditioner to malfunction In this event temporarily disconnect the power supply reconnect it and then use the remote cont
3. result in the death of or serious injury to the user or service personnel This mark indicates procedures which if improperly performed might lead to the I A WARNING death or serious injury of the user IN CAUTION This mark indicates procedures which if improperly performed might possibly result i in personal harm to the user or damage to property DANGER e Do not attempt to install this air conditioner by yourself e This unit contains no user serviceable parts Always consult authorized service person nel for repairs e When moving consult authorized service personnel for disconnection and installation of the unit e Do not become over exposed to cold air by staying in the direct path of the airflow of the air conditioner for extended periods of time e Do not insert fingers or objects into the outlet port or intake grilles e Do not start and stop air conditioner operation by turning off the electrical breaker and so on e In the event of a malfunction burning smell etc immediately stop operation turn off the electrical breaker and consult authorized service personnel e Provide occasional ventilation during use A CAUTION e Do not direct air flow at fireplaces or heating apparatus e Do not climb on or place objects on the air conditioner e Do not hang objects from the indoor unit e Do not set flower vases or water containers on top of air conditioners e Do not exp
4. 11 OPERATING TIPS Instructions relating to heating are applicable only to HEAT amp COOL MODEL Reverse Cycle Heating Performance This air conditioner operates on the heat pump principle absorbing heat from outdoor air and transferring that heat indoors As a result the operating performance is reduced as outdoor air temperature drops If you feel that insufficient heating performance is being produced we recommend you use this air conditioner in conjunction with another kind of heating appliance e Heat pump air conditioners heat your entire room by recirculating air throughout the room with the result that some time may be required after first starting the air conditioner until the room is heated When Indoor and Outdoor Tempera ture are High When both indoor and outdoor temperatures are high during use of the heating mode the outdoor unit s fan may stop at times Fan speed AUTO Heating The fan will stop when the temperature of the air issued from the indoor unit is low Cooling As the room temperature approaches that of the set temperature the fan speed becomes slower Fan The fan runs at the low fan speed Microcomputer controlled Automatic Defrosting When using the Heating mode under conditions of low outdoor temperature and high humidity frost may form on the outdoor unit resulting in reduced operating per formance In order to prevent this
5. and 4 To complete the weekly timer settings press the SET button for 2 seconds or more BH NoTEs The operating time can be set in 30 minute increments only The OFF time can be carried over to the next day If the DELETE button is pressed during steps 3 or 4 the operating time for the selected day will be deleted If all the days are selected the operating times for all of the days will be deleted The ON timer and the OFF timer functions cannot be set using the weekly timer Both an ON and OFF time must be set WEEKLY TIMER WEEKLY timer operation To start To cancel SU MO TU WE TH FR SA A i TIMER MODE TIMER DELETE La rer CLOCK ADJUS 6 9 12 15 18 21 When the weekly timer is selected the KZ EE 0 RR timer starts automatically 3 6 9 12 15 18 21 ex Operating time 7 00 18 00 Press the DELETE button to cancel the timer mode Thetimermode can also be canceled by changing the timer mode using the timer mode button The operating time for the current day is displayed To set the DAY OFF for a holiday TIMER SET Ll DAY L g DAY OFF TIMER SET Ce 4 3 During the weekly timer press the SET button for 2 seconds or more to set Select the day to set the DAY OFF Press the DAY DAY OFF button for 2 seconds or more to set the DAY OFF Press the SET button for 2 seconds or more to com plete the DAY O
6. display decreases as time passes To cancel TIMER DELETE Press the DELETE button to cancel the timer mode The timer mode can also be canceled by changing the timer mode using the timer mode button WEEKLY TIMER Weekly timer setting 1 G TIMER MODE C e CLOCK ADJUS TU WE TH FR SA 3 6 9 12 15 18 21 Press the timer mode button to select the weekly timer 2 TIMER SET LC a Press the SET button for 2 sec onds or more 3 Day of the week setting DAY TIMER SET C ol 2 Press the DAY button to select the day of the week and then press the SET button to confirm the setting For ALL all of the days can be set together when al appears around each day SU MO TU WE TH FR SA 3 6 9 12 15 18 21 4 Time setting TIMER SET DAY 3 ON 1 OFF 1 ON 2 OFF 2 GII AO Orl Press the set time buttons to set the time and then press the SET button to confirm the setting and proceed to the next ON or OFF time setting Up to two ON and OFF times can be set per day Press the DAY button to complete the time setting and return to the day of the week setting When the operating time is set the EE mark appears SU MC TU WE TH FR SA 3 6 9 12 15 18 21 ex The timer is set for 7 00 18 00 5 TIMER SET To delete the operating time TIMER DELETE Repeat steps 3
7. kind of reduced performance this unit is equipped with a Microcomputer controlled Automatic Defrosting function During the defrost cycle the indoor fan will shutdown and will be displayed on the remote controller It will take anywhere from 4 to 15 minutes before the air conditioner starts up again Low Ambient Cooling When the outdoor temperature drops the outdoor unit s fans may switch to Low Speed or one of the fans may stop intermittently Hot start The indoor unit prevents cold drafts when heating opera tion begins The indoor unit fan will not operate until the heat exchanger reaches the set temperature About ECONOMY OPERATION At the maximum output ECONOMY OPERATION is approxi mately 70 of normal air conditioner operation for cooling and heating When ECONOMY OPERATION is performed during the cooling mode dehumidification is improved This function is especially convenient when you want to remove the humidity in the room without significantly lowering the room temperature During ECONOMY OPERATION the thermostat setting automatically changes according to the temperature to avoid Unnecessary cooling and heating for the most economical operation ifthe room is not cooled or heated well during economy operation select normal operation During the monitor period in the AUTO mode the air conditioner operation will not change to ECONOMY OPERATION even if ECONOMY OPERATION is
8. the Automatic Defrosting mode operates During the Automatic Defrosting operation will be shown on the remote controller display The fan may operate at low speed when the unit is monitoring the room s temperature Water is produced from the outdoor unit During Heating operation water may be produced from the out door unit due to the Automatic Defrosting operation 5 EJ thermo sensor display on the remote controller is flashing The room temperature sensor may be malfunctioning Please consult authorized service personnel CHECK ONCE MORE Doesn t operate at all Has the circuit breaker been turned off Has there been a power failure Has a fuse blown out or a circuit breaker been tripped Is the timer operating Poor Cooling or Heating performance Is the air filter dirty Are the air conditioner s intake grille or outlet port blocked Did you adjust the room temperature settings thermostat cor rectly Is there a window or door open In the case of Cooling operation is a window allowing bright sunlight to enter Close the curtains In the case of Cooling operation are there heating apparatus and computers inside the room or are there too many people in the room If the problem persists after performing these checks or if you notice burning smells stop operation immediately disconnect the power supply and consult with authorized service personnel
9. to stop air conditioner operation The timer operates and air conditioner operation stops after the set time has passed The timer can be set up to 24 hours in advance amp ON timer See page 6 Use this timer function to start air conditioner operation The timer operates and air condition operation starts after the set time has passed The timer can be set up to 24 hours in advance 7 WEEKLY timer See page 7 Use this timer function to set operating times for each day of the week SK Use the DAY OFF setting to switch off timed operation for a selected day in the coming week Because all days can be set together the weekly timer can be used to repeat the timer settings for all of the days Temperature SET BACK timer See page 9 Use this timer function to change the set temperature in the operation times set for each day of the week This can be used together with other timer settings ON OFF TIMER To set the ON OFF timer 1 QD TIMER MODE O SU GO w we TH FR SA C o Press the timer mode button to se XN u CLOCK AIS lect the ON timer or OFF timer From 1 to 24 hours ex OFF timer set for 6 hours odisplay AO 07 Press the set time buttons to set the time NON OFF ON WEEKLY After the time is set the timer will start automatically STOP TIMER TIMER TIMER The amount of time until the OFF timer operates that is displayed on the timer
10. used to start or stop air conditioner operation The SET BACK timer can be set to operate up to two times per day but only one temperature setting can be used The SET BACK timer can be used together with the ON OFF and weekly timer functions The SET BACK operating time is displayed only in the SET BACK confirmation display Refer to step 1 for the SET BACK confirmation display CLEANING AND CARE Before cleaning the unit be sure to stop the unit and turn off the electrical breaker N CAUTION A fan operates at high speed inside the unit and personal injury could result When used for extended periods the unit may accumulate dirt inside reducing its performance We recommend that the unit be inspected regularly in addition to your own cleaning and care For more information consult authorized service personnel When cleaning the unit s body do not use water hotter than 40 C harsh abrasive cleansers or volatile agents like benzene or thinner Do not expose the unit body to liquid insecticides or hairsprays If the unit will not be operated for a period of one month or more be sure to allow the inner parts of the unit to dry thoroughly in advance by operating the unit in fan mode for half a day Cleaning the Air Filter M A Remove the dust from the air filters by vacuuming or washing them After washing allow the air filters to dry thoroughly in an area p
11. FF setting the day SU MO TU WE TH FR SA m NER ee ee SU IO TU WE TH FR SA E END U ee m Ui T1 LOLOL unm 3 6 9 12151821 ex The DAY OFF is set for Monday The Bii mark flashes under a day of the week ri ruri LU LULI niin 3 6 9 12151821 mej To cancel Follow the same procedures as those for setup Fi Notes The DAY OFF setting is only available for days for which weekly settings already exist Ifthe operating time carries over to the next day during a next day setting the effective DAY OFF range will be set as shown below Normal Next day setting DAY OFF i i DAY OFF i I 1 1 1 1 1 ON OFF ON OFF ON OFF ON OFF WEEKLY WEEKLY WEEKLY WEEKLY Preceding day Setting day Next day Preceding day Setting day Next day The DAY OFF setting can only be set one time The DAY OFF setting is cancelled automatically after the set day has passed TEMPERATURE SET BACK TIMER Temperature SET BACK timer setting amp SET BACK SU RO TU Wm FR GA 3 6 9 12 15 1821 Press the SET BACK button to change to the SET BACK con firmation display The SET BACK operating time and the set temperature will be displayed If there is no existing SET BACK tempera ture setting will gn be displayed for the temperature 2 TIMER SET Lal Press the SET button for 2 seconds or more e Operating time settin
12. button to start or stop ECONOMY OPERA t THERMO SEN TION For details on the function refer to page 12 OPERATION Room temperature sensor selection ECONOMY THERMO SEN Indoor unit m ay Press the ECONOMY button for more than 2 seconds to se lect whether the room temperature is detected at the indoor unit remote sensor or the remote controller When the H thermo sensor display appears the room temperature is detected at the remote controller u Fl Notes This function is locked at the factory In order to detect the room temperature correctly consult authorized service personnel when using this function If this function is locked the location where the room temperature is detected cannot be changed and the mark flashes when the ECONOMY button is pushed for 2 seconds or more Child lock function TIMER MODE DAY MEER Press the DAY DAY OFF button and SET button simul CLOCK ADJUST DAY OFF taneously for 2 seconds or more to activate the child lock G SET BACK function and lock all buttons on the remote controller Press the buttons again for 2 seconds or more to deacti vate the child lock function TIMER DELETE TIMER SET When the child lock function is activated the BEZ mark ae appears If any button is pressed during the child lock the CL display and flash TIMER FUNCTIONS OO OFF timer See page 6 Use this timer function
13. co AIR CONDITIONER DUCT TYPE ART Series OPERATING MANUAL TU WE TH FR SA mui nun 6 9 1215 1821 N CAUTION R410A REFRIGERANT This Air Conditioner contains and operates with refrigerant R410A THIS PRODUCT MUST ONLY BE INSTALLED OR SERVICED BY QUALIFIED PERSONNEL Refer to Commonwealth State Territory and local legislation eee p diwy esl rnm bafara FOR FUTURE REFERENCE i P i FUJITSU GENERAL LIMITED PART NO 9374379354 CONTENTS SAFETY PRECAUTIONS eene 1 TEMPERATURE SET BACK TIMER 9 NAME OF PARTS innert rns 2 CLEANING AND CARE eee 10 PREPARATORY OPERATION eene 3 TROUBLESHOOTING renis 10 OPERATION esy c ez 4 OPERATING TIPS centenos 12 TIMER FUNCTIONS neris 6 SELF DIAGNOSIS eee tdeo dts 14 ON OFF TIMER ciere enceinte ecrit erae 6 TEMPERATURE AND HUMIDITY RANGE 14 WEEKLY TIMER tuere tenete tis 7 SAFETY PRECAUTIONS Before using the appliance read these SAFETY PRECAUTIONS thoroughly and operate in the correct way The instructions in this section all relate to safety be sure to maintain safe operating conditions DANGER WARNING and CAUTION have the following meanings in these instructions IN DANGER This mark indicates procedures which if improperly performed are most likely to
14. e noted here the automatic protection circuit may operate interrupting the operation If the unit is used under lower temperature conditions than those noted here the heat exchanger may freeze causing water leakage or other malfunction Do not use the air conditioner for any purpose other than room cooling dry room heating or fan 14 co FUJITSU FUJITSU GENERAL LIMITED enaga Tak saki 213 8502 Japan
15. g 3 Day setting DAY TIMER SET C Ww Ce DAY OFF 2 4 TIMER SET MO TU FR SA 3 6 9 12 15 18 21 ex When setting all days together Follow the same procedures to set the operating time as those for the weekly timer The DELETE button is also used as described in the procedures for the weekly timer the temperature The temperature setting range is the same as the range for the operation mode 4 Temperature setting Press the set temperature buttons to set f SETTEMP SU MO TU WE TH FR SA m UA AX AMA Umm ir FUT CL uil 3 6 9 12 15 18 21 SET BACK temperature Normal temperature To start amp SET BACK ex Display during SET BACK timer operation The operating time will not be displayed Press the SET BACK button The SET BACK confirmation display appears for 5 seconds and then the timer starts automatically Fl Notes TIMER SET LJ Repeat steps 3 and 4 Press the SET button for 2 sec onds or more to complete the temperature SET BACK timer settings To cancel G SET BACK TIMER DELETE Le Cal 2 Press the SET BACK button and then press the DELETE button while the SET BACK confirmation display is dis played Even if the SET BACK button is pressed again the SET BACK timer will be cancelled The SET BACK timer only changes the set temperature it cannot be
16. oller will flash Press the set time buttons to set the current time Press repeatedly to adjust the current time in 1 minute increments Press and hold to adjust the current time in 10 minute increments 7 gt ens SPM i FLILI 77 LVN SU MO TU WE TH FR SA NM ex Monday PM11 00 4 SET BACK Press the SET BACK button to switch between the 12 and 24 hour time displays SU MO TU WE TH FR SA SU MO TU WE TH FR SA 12 23 00 NN CLOCK ADJUS Press again to end OPERATION Instructions relating to heating are applicable only to HEAT amp COOL MODEL Reverse Cycle To start stop operation Press the start stop button START STOP Operation lamp al Air conditioner ON Lit brightly Air conditioner OFF Not lit To set the operation mode e Operation mode setting Press the master control button to set the operation mode oxov MODE If DRY is selected the fan speed will be set to AUTO bk 0 X l AUTO COOL DRY FAN HEAT e Room temperature settin oom temperature seting Press the set temperature buttons to set the room temperature SETTEMP Temperature setting range r 18 to 30 C COOL DRY 16 to 30 C Lower Rise Fan speed setting GO FAN Press the fan control button to set the fan speed EJ AUTO ECONOMY Press the ECONOMY
17. ose the air conditioner directly to water e Do not operate the air conditioner with wet hands e Do not touch the switches with sharp objects e Turn off power source when not using the unit for extended periods e Always turn off the electrical breaker whenever cleaning the air conditioner or chang ing the air filter e Connection valves become hot during Heating handle with care e Check the condition of the installation stand for damage e Do not place animals or plants in the direct path of the air flow e When restarting after a long period of disuse in the winter turn the power switch on at least 12 hours before starting the unit e Do not drink the water drained from the air conditioner e Do not use in applications involving the storage of foods plants or animals precision equipment or art works e Do not apply any heavy pressure to radiator fins e Operate only with air filters installed e Do not block or cover the intake grille and outlet port e Ensure that any electronic equipment is at least one metre away from either the indoor or outdoor units e Avoid installing the air conditioner near a fireplace or other heating apparatus e When installing the indoor and outdoor units take precautions to prevent access by infants 1 e Do not use inflammable gases near the air conditioner NAME OF PARTS Remote controller
18. rol unit to resume operation OPERATING TIPS Notice J e During use of the heating mode the outdoor unit will e During use of the heating mode the top of the indoor occasionally commence the defrost operation for brief unit may become warm but this is due to the fact that periods During the defrosting operation if the user sets coolant is circulated through the indoor unit even when the indoor unit for heating again the defrosting mode it is stopped it is not a malfunction will continue and the heating operation will begin after completion of defrosting with the result that some time may be required before warm air is emitted SELF DIAGNOSIS When EE in Temperature Display is displayed inspection of the air conditioning system is necessary Please consult authorized service personnel Unit number usually 00 Error code SU MO TL WE Til FR SA ex Self diagnosis check TEMPERATURE AND HUMIDITY RANGE Permissible ranges of temperature and humidity are as follows Cooling Dry Outdoor temperature About 15 C to 46 C Operation Indoor temperature About 18 C to 32 C Indoor humidity Below approximately 8096 If the air conditioner is used continuously for many hours water may condense on the surface and drip Heating Outdoor temperature About 15 C to 24 C Indoor temperature About 16 C to 30 C If the unit is used under higher temperature conditions than thos
19. rotected from sunlight Dust can be cleaned from the air filter either with a vacuum cleaner or by washing the filter in a solution of mild detergent and warm water If you wash the filter be sure to allow it to dry thoroughly in a shady place before reinstalling e If dirt is allowed to accumulate on the air filter air flow will be reduced lowering operating efficiency and increasing noise TROUBLESHOOTING Instructions relating to heating are applicable only to HEAT amp COOL MODEL Reverse Cycle In the event of a malfunction burning smell etc immediately stop operation turn off the AA WARNING electrical breaker and consult authorized service personnel Merely turning off the unit s power switch will not completely disconnect the unit from the power source Always be sure to turn off the electrical breaker to ensure that power is completely off Before requesting service perform the following checks Symptom Problem See Page NORMAL Doesn t operate immedi f the unit is stopped and then immediately started again the FUNCTION ately compressor will not operate for about 3 minutes in order to prevent fuse blowouts Whenever the electrical breaker is turned off then on again the protection circuit will operate for about 3 minutes preventing unit operation during that period Noise is heard e During operation and immediately after stopping the unit the sound of water flowing in
20. selected by pressing the ECONOMY button Dual Remote Controllers optional An additional remove controller can be added up to the maximum of two remote controllers Either remote controller can control the air conditioner However the timer functions cannot be used at the slave unit Group Control One remote controller can control up to 16 air conditioners All of the air conditioners will be operated with the same settings 12 OPERATING TIPS Mode operation AUTO COOLING MODEL When the room temperature is 2 C higher than the set temperature the mode will switch between Cooling and Drying HEAT amp COOL MODEL Reverse Cycle Auto changeover function When AUTO CHANGEOVER is selected the air conditioner selects the appropriate operation mode Cooling or Heat ing according to your room s present temperature When AUTO CHANGEOVER is first selected the fan will operate at low speed for about 1 minute while the unit determines the current conditions of the room and selects the proper operation mode If the difference between thermostat setting and actual room temperature is more than 2 C Cooling or dry operation Monitor operation may be selected if the outdoor temperature is low If the difference between thermostat setting and actual room temperature is within 2 C Monitor operation If the difference between thermostat setting and actual room temperat
21. the air conditioner s piping may be heard Also noise may be particularly noticeable for about 2 to 3 minutes after starting operation sound of coolant flowing During Heating operation a sizzling sound may be heard occasionally This sound is produced by the Automatic Defrosting 12 operation Smells Some smell may be emitted from the indoor unit This smell is the result of room smells furniture tobacco etc which have been taken into the air conditioner 10 TROUBLESHOOTING Symptom Problem See Page NORMAL FUNCTION Mist or steam are emitted During Cooling or Dry operation a thin mist may be seen emit ted from the indoor unit This results from the sudden Cooling of room air by the air emitted from the air conditioner resulting in condensation and misting During Heating operation the outdoor unit s fan may stop and steam may be seen rising from the unit This is due to the Auto matic Defrosting operation 12 Airflow is weak or stops When Heating operation is started the fan stops temporarily to allow internal parts to warm up During Heating operation if the room temperature rises above the thermostat setting the indoor and outdoor unit will stop If you wish to warm the room further set the thermostat to a higher setting During Heating operation the unit will temporarily stop operation between 4 and 15 minutes as
22. ure is more than 2 C Heating operation Monitor operation may be selected if the outdoor temperature is high About Mode Operation Heating Use to warm your room e During the Drying mode operation the FAN setting should be switched to LOW for a gently cooling effect during which the fan may temporarily stop rotating When the room temperature is near the thermostat set ting the air conditioner will begin monitor operation In the monitor operation mode the fan will operate at low speed If the room temperature subsequently changes the air conditioner will once again select the appropriate operation Heating or Cooling to adjust the temperature to the value set in the thermostat The monitor operation range is 2 C relative to the thermostat setting During Heating mode Cooling Dry Fan When Heating mode is selected the air conditioner will stop for about 3 to 5 minutes after which it will switch to the selected fan setting This period of time is provided to allow the indoor unit to warm up before beginning full operation When the room temperature is very low frost may form on the outside unit and its performance may be reduced In order to remove such frost the unit will automatically enter the defrost cycle from time to time During Automatic Defrosting operation the heat operation will be interrupted After the start of heating operation it takes sometime before the room gets warmer
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