Fujitsu 18RC Air Conditioner
Contents
1. The range of swing is relative to the currently set air flow If the swing range is not as desired use the remote con direction troller s AIR FLOW DIRECTION SET button to change the Air flow direction set Range of swing range r swing D Oto The SWING operation may stop temporarily when the air conditioner s fan is not operating or when operating at to very low speeds to All range Air flow direction range see Fig 6 En 12 CLEANING AND CARE Before cleaning the unit be sure to stop the unit and disconnect the power supply CAUTION Turn off the electrical breaker A fan operates at high speed inside the unit and personal injury could result Cleaning the Air Filter 1 Push the intake grille pushbuttons two When reinstalling the filter be sure that the hooks at A and B engage correctly into place places 2 Open the intake grille 4 Clean the air filters Remove the dust from the air filters by vacuuming or washing them After washing allow the air filters to dry thoroughly in an area protected from sunlight 3 Hold down the hook at A and pull the fil Dust can be cleaned from the air filter either with a vacuum ter out cleaner or by washing the filter in a solution of mild de tergent and warm water If you wash the filter be sure to allow it to dry thoroughly in a shady place before rein stalli2. zeis sL N 7 PM TIMER Y WEEKLY 3mm L ECL OFF SET TIME TEMPJDAY __FAN i CONTROL MASTER mR CONTROL ZONE ENERGY SAVE Ps SETON DAY OFF 2 Example Clearing the WEEKLY 1 ON OFF times for day 4 Thurs day Lisa En 8 TIMER OPERATION WEEKLY TIMER To Change Selected Time Settings Press the START STOP button to stop the air conditioner and then proceed as fol lows 1 Carry out steps 1 to 3 of the Setting Up the Weekly Timer Operation procedure to select the day you want to edit FAN CONTROL 2 Press the SET button to select the time that you want a e x to change The selected setting flashes on the display Each press moves you to the next setting for the selected day as follows MASTER CONTROL ZONE ENERGY SAVE START STOP SET Q DaY OFF m gt WEEKLY 1 gt WEEKLY 1 gt WEEKLY 2 gt WEEKLY 2 XX ON OFF ON OFF Example Changing the WEEKLY 2 ON setting for day 5 Friday from 2 00p m to 3 30p m 3 Press the SET TIME button to change the time setting NPM TIMER y Press the SET button WEEKLY FTA ore A The new setting overwrites the previous setting in SET TIME TEMP DAY cone 5 Once the setting has been canceled hold down the SET CONTROL button for 3 se
3. Do not operate the air conditioner with wet hands Turn off power source when not using the unit for extended periods Always turn off the electrical breaker whenever cleaning the air conditioner or the air filter Connection valves become hot during Heating handle with care Check the condition of the installation stand for damage Do not place animals or plants in the direct path of the air flow When restarting after a long period of disuse in the winter do Turn the power switch on at least 12 hours before starting the unit Do not drink the water drained from the air conditioner Do not use in applications involving the storage of foods plants or animals precision equipment or art works Do not apply any heavy pressure to radiator fins Operate only with air filters installed Do not block or cover the intake grille and outlet port Ensure that any electronic equipment is at least one metre away from each the indoor and outdoor units Avoid installing the air conditioner near a fireplace or other heating apparatus When installing the indoor and outdoor unit take precautions to prevent access to infants Do not use inflammable gases near the air conditioner En 1 NAME OF PARTS Instructions relating to heating are applicable only to HEAT amp COOL MODEL Reverse Cycle Fig 1 Fig 2 Electrical Breaker Ne Fig 3 This breaker is installed during t
4. TIMER OPERATION WEEKLY TIMER Use the weekly timer to set operating times for each day of the week Weekly Timer Features Set different operating times for each day of the week Set one or two operating spans one or two ON times and one or two OFF times per day Set time to a resolution of 5 minutes OFF time can be carried over to the subsequent day Use the DAY OFF setting to cancel operation for any day of the coming week one time cancellation Setting Up the Weekly Timer Operation Press the START STOP button to stop the air conditioner and then proceed as fol lows 1 Press the TIMER MODE button so that WEEKLY ap pears on the display The display now shows the current day by DAY CODE the first ON and gt gt oer OFF times for the day the WEEKLY 1 times the fan speed and the operating mode TIMER set Time TEMP DAY FAN The top time value gives the ON time and the bottom value gives the x conmo OFF time If either time is not set the corresponding time display is blank o START STOP 2 Press the TEMP DAY button to select the day that you want to set up A Use to advance the day forward v Use to turn the day back DAY CODE 1 2 3 4 5 6 7 DAY OF THE WEEK MON TUE WED THU FRI SAT SUN 3 Hold the SET button down for 3 seconds The WE
5. to move them manu ally could result in improper operation in this case stop operation and restart The flaps should begin to operate The remote controller s display does not change The air flow direction is set automatically as shown in accordance with the type of operation selected During Cooling mode Horizontal flow properly again During Heating mode Downward flow When used in a room with infants chil During AUTO mode operation for the first minute after beginning operation dren elderly or sick persons the air air flow will be horizontal the air flow direction cannot be adjusted during flow direction and room temperature this period should be considered carefully when making settings SWING OPERATION Begin air conditioner operation before performing this procedure To Select SWING Operation Press the AIR FLOW DIRECTION SWING button The AIR FLOW DIRECTION SWING lamp orange will light In this mode the UP DOWN air flow direction flaps will swing automatically to direct the air flow both up and down FAN CONTROL MASTER RQ CONTROL ENERGY SAVE START STOP DAY OFF To Stop SWING Operation Press the AIR FLOW DIRECTION SWING button once again The AIR FLOW DIRECTION SWING lamp will go out Air flow direction will return to the setting before swing was begun About Swing Operation
6. EKLY 1 ON time starts flashing and the fan speed and operat ing mode displays go off 4 Press the SET TIME button to set the day s first ON time A Use to advance the time forward V Use to turn the time back Press once to move the time 5 minute hold down and the time will move SET TIME TEMAYI o ONTROL 10 minutes at a time X contao 5 Press the SET button o ENERGY SAVE Pg This registers the first ON time setting for the selected day ed The ON time display stops flashing and the WEEKLY 1 OFF time starts flashing En 6 TIMER OPERATION WEEKLY TIMER Z al 6 Press the SET TIME button to set the day s first OFF time The earliest OFF time you can set is 5 minutes after the ON time The latest OFF time is 11 55 p m on the subsequent day zE SENSE 7 0 PIRE tin gt Fasen ZA 4 SET TIME TEMP DAY FAN DN CONTROL MASTER Press the SET button amp conmo This registers the first OFF time for the day completing the WEEKLY 1 settings for that day f Beda an The display switches to WEEKLY 2 and the day s second ON time be avor gins flashing 8 Repeat the operations described in Steps 4 to 7 to set the second ON and OFF times for the day the WEEKLY If the timer is not set press the SET but LLA 2 times ton with the time disp
7. FF ON OFF Previous day s WEEKLY Next day s WEEKLY settings settings 12 00 a m 12 00 a m 5 If you set the OFF time to occur on the day following the ON time the NEXT DAY caption appears on the display PM ee N 5 40 on PM TIMER W En 7 f Starting Weekly Timer Operation 1 2 Press the TIMER MODE button so that WEEKLY ap pears on the display Press the START STOP button to start operation This step is not necessary if the air conditioner is already running Weekly timer operation starts and the operation lamp comes on If the current time is between the first or second ON and OFF time set tings for the current day the air conditioner will start Otherwise the air conditioner will remain off The day display is replaced by the temperature display The upper time display now shows the current time and the lower time display shows the next scheduled ON or OFF time HHF WEEKLY 0 50 ore a TIMER SET TIME TEMP DAY FAN MODE PN CONTROL MASTER a 9 2 CONTROL vw hd SET DAY OFF Oane EE ZONE ENERGY SAVE START STOP To Stop Weekly Timer Operation Reviewing the Time Settings To stop weekly timer while leaving the air conditioner run ning Press the TIMER MODE button to select NONSTOP OFF Press the START STOP button to stop the air conditio
8. at exchanger may freeze leading to water leakage and other damage Do not use this unit for any purposes other than the Cooling Heating Dehumidifying and air circulation of rooms in ordinary dwellings En 15 SYSTEM OPERATION lt Control Several Units with just one Remote Controller gt One remote controller can control up to 16 air conditioners All the air conditioners can be operated with the same set Outdoor unit ting Indoor unit 5 ES Remote i controller a Unit No 1 i To Use the ZONE CONTROL When the ZONE control button is pressed while multiple air conditioners are being centralized controlled only the preset air conditioners stop Press the ZONE control button Preset units will stop The ZONE lamp green will light To Stop the ZONE CONTROL Unit No 2 Unit No 16 f NON STOP AM _ CLOCK 0 55 f E wW xy AUTO SET TIME TEMP DAY a hd FAN ONTROL x MASTER CONTROL ZONE ENERGY SAVE SE ay OFF START STOP Press the ZONE control button one more time Those units that were stopped will start again The ZONE lamp will go out En 16 TROUBLESHOOTING Instructions relating to heating are applicable only to HEAT amp COOL MODEL Rever
9. cO FUJITSU En OPERATING MANUAL CASSETTE TYPE Indoor Unit AUU18RC AUU24RC AUU36RC AUU42RC Outdoor Unit AOQU18RC AOU 24RC AOU36RC AOUA42RC KEEP THIS OPERATION MANUAL FOR FUTURE REFERENCE FUJITSU GENERAL LIMITED P N9368987022 CONTENTS SAFETY PRECAUTIONS neee 1 ADJUSTING THE DIRECTION OF NAME OF PARTS sccccsscesaccvsstesescavnessaressacevecssvaeseaseys 2 AIR CIRCULATION vcisctecsccsccsctssccatietascseseeraestessttesti 12 PREPARATION sesccsscsissey sas castes ssrzesccvasseesscetsecasaczacsis 3 SWING OPERATION assessor secs iveecsevsszcvccssetetrteesis 12 OPERATION nar crcactevacresseescivdsceenutceceecvecupecevecteteae 3 CLEANING AND CARE eeen 13 TIMER OPERATION OFF TIMER ON TIMER 5 ERRORS AND SELF DIAGNOSIS ecese 14 TIMER OPERATION WEEKLY TIMER 6 OPERATION DETAILS nennen eneen 15 ENERGY SAVE OPERATION nne 11 SYSTEM OPERATION jccscccseteesteceietticctaaceradtcnssenee 16 TROUBLESHOOTING eenen 17 SAFETY PRECAUTIONS Before using the appliance read these PRECAUTIONS thoroughly and operate in the correct way The instructions in this section all relate to safety be sure to maintain save operating conditions DANGER WARNING and CAUTION have the following meanings in these instructions A DANGER This mark indicates procedures which if improperly performed are most likely to i result in the death of or seri
10. conds The WEEKLY display flashes briefly and then the clock display appears ZONE ENERGY SAVE START STOP SET Q DAY OFF 4 ena cases cancel the set time prior to making the required amendments 1 If you want to change the ON time to a time that is later than the currently set OFF time ON OFF Time ON OFF Change WEEKLY 1 Time 2 If the change would cause a temporary overlap between the first and second ON OFF time spans ON OFF WEEKLY 1 WEEKLY 2 Temporary overlap Time Change LA OFF WEEKLY 1 WEEKLY 2 Time En 9 About the DAY OFF Use the DAY OFF setting to switch off timed operation for a selected day in the coming week This is a temporary one time setting The DAY OFF setting is automatically cleared as soon as the specified day passes Using the DAY OFF Setting Press the START STOP button to stop the air conditioner and then proceed as fol lows Z ON v m Cun PM TIMER WEEKLY nn Las OFF 1 Carry out steps 1 to 2 of the Setting Up the Weekly Timer Operation procedure to select the day that you want to set as the DAY OFF CONTROL 2 Press the DAY OFF button The DAY OFF setting is registered and the DAY OFF caption appears on ENERGY SAVE DAY OF START STOP the display To cancel the DAY OFF setting You can cancel th
11. e hold down and the time will move 10 minutes at a time AM CLOCK ore EAS TIMER AM _ TIMER ann ELL OFF Ey Ey W xW FAN pr pe CONTROL X v v MASTER CONTROL H SET TIME TEMP DAY DE 2 ENERGY SAVE En AM CLOCK ra oak OFF ea TIMER PM TIMER c35 CCAA OFF Example Setting the OFF TIMER to 11 35 p m To confirm or Change Settings Before Starting Operation To Change the Timer Setting During Operation To Cancel the Timer Mode During Timer Operation To confirm settings Press the TIMER MODE button once The timer setting information will be displayed for 15 seconds after the TIMER MODE button is pressed To change settings Confirm the settings as noted above then press the SET TIME button and TIMER MODE button as necessary to change the desired timer setting The timer settings will be displayed for 15 seconds after the button is pressed After confirming or changing the set tings press the START STOP button to start operation En 5 Operate as noted in step 2 Press the TIMER MODE button and set the display to NON STOP the unit will switch to non stop operation To Change the Timer Mode During Operation To Stop Operation During Use of Timer Mode Press the TIMER MODE button and set the unit to the desired mode Press the START STOP button
12. e Current Time and Day 1 Press the CLOCK ADJUST button for more than three seconds Press the TEMP DAY button and set the day A Use to advance the day forward Vv Use to turn the day back The day is indicated by a code number from 1 to 7 as shown in the table below Set to the number that corresponds to the current day 2 DAY CODE 1 2 3 4 5 6 7 DAY OF THE WEEK MON TUE WED THU FRI SAT SUN Press the SET TIME button and set the time A Use to advance the time forward Vv Use to turn the time back Press once to move the time 1 minute hold down and the time will move 10 minutes at a time Press the CLOCK ADJUST button again This registers the new day and time values The day display goes off and the time display stops flashing OPERATION FAN CONTROL MASTER AQ contro Example Set the time to 9 31 Instructions relating to heating are applicable only to HEAT amp COOL MODEL Reverse Cycle To Select Mode Operation 1 Press the START STOP button The unit will start and the remote controller s operation lamp green will light up Press the MASTER CONTROL button to select the de 2 sired mode gt AUTO gt HEAT COOL FAN lt To Set the Thermostat Press the TEMP DAY button to the desired temperature A Press to raise the thermostat
13. e setting by pressing the DAY OFF button again 2 Example To switch off timed operation for day 2 Tuesday NOTES 1 The DAY OFF setting is only available for days for which weekly time settings already exist 2 You can make this setting for any of the next seven days counting from the current day set is eligible for the day in which the DAY OFF has been set Effective range of DAY OFF setting ON OFF ON OFF WEEKLY setting for preceding WEEKLY setting day Preceding day 12 00 a m lt DAY OFF day 12 00 a m Next day AM CLOCK IE a Oda Bor TIMER WEEKLY DAY OFF 3 The DAY OFF setting is effective over the range illustrated below The Weekly setting for which an ON time has been 4 The display on the clock s lower line will usually be for the DAY OFF set day during Weekly operations Precautions during setup Setup is not possible in the following cases so amend the time If you set an ON time while leaving the OFF time setting blank Nothing will happen when you press the SET button To proceed press the SET TIME button and enter an appropriate setting When an attempt is made to set only the OFF time Nothing will happen when you press the SET TIME button Press the SET button and amend the entry for the ON time ON and OFF times cannot be set to the same value The OFF time cannot be s
14. ell 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 Mist or steam are emitted During Cooling a thin mist may be seen emitted 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 Automatic Defrosting operation 15 Air flow is weak or stops When Heating operation is started fan speed is temporarily very low to allow internal parts to warm up During Heating operation if the room temperature rises above the thermostat setting the outdoor unit will stop and the indoor unit will operate at very low fan speed If you wish to warm the room further set the thermostat for a higher setting During Heating operation the unit will temporarily stop opera tion between 2 and 16 minutes as the Automatic Defrosting mode operates During Automatic Defrosting operation DEFROST will be shown on the remote controller display 15 The fan may operate at very low speed when the unit is monitor ing the room s temperature In the monitor AUTO operation the fan will operate at very low speed Water is produced from the outdoor unit During Heating ope
15. erate at very low speed for about one minute while the unit determines the current conditions of the room and accordingly selects the proper operation mode When the air conditioner has adjusted your room s temperature to near the thermostat setting it will begin monitor opera tion 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 Cooling to adjust the temperature to the value set in the thermostat The monitor operation range is 4 F relative to the thermostat setting If the mode automatically selected by the unit is not satisfactory see page 3 for instructions on changing the mode setting HEAT COOL FAN Dry Operation Thermostat control Setting temperature H Heating During Heating mode Use to Warmi YOUN TOOM 8 AN 8 Set the thermostat to a temperature set When Heating mode is selected the air conditioner will operate at very low fan f PE Bayi en ting that is higher than the current room speed for about 3 to 5 minutes after which it will switch to the selected fan set F B f dj K 7 f temperature The Heating mode will not ting This period of time is provided to allow the indoor unit to warm up before operate if the thermostat is set lower than begin full operation the actual room temperature When the room temperature is very low frost may fo
16. et earlier than the ON time The WEEKLY 2 settings cannot be set earlier than the WEEKLY 1 settings The WEEKLY 1 and WEEKLY 2 time spans cannot overlap En 10 ENERGY SAVE OPERATION Instructions relating to heating are applicable only to HEAT amp COOL MODEL Reverse Cycle To Use the ENERGY SAVE Press the ENERGY SAVE button NON STOP AM _ 0LOCK AUTO The unit will run in the ENERGY SAVE mode ada Ber J W The ENERGY SAVE lamp green will light SET TIME TEMP DAY FAN DN CONTROL STER R CONTROL To Stop the ENERGY SAVE i TOF Press the ENERGY SAVE button one more time ZONE ERE ne SET pay Xl The ENERGY SAVE mode will be turned off The ENERGY SAVE lamp goes off and the unit will return to the former operat ing conditions About the ENERGY SAVE The energy conservation mode ENERGY SAVE raises the set temperature slightly in the cooling mode and lowers the set temperature in the heating mode using a computer program to economically control the operation of the unit If you press the ENERGY SAVE button while the air conditioner is on it will change to the conservation mode If you press the ENERGY SAVE button while the unit is in the timer mode ON timer WEEKLY timer the unit will go into the conserva tion mode when the unit starts with the timer If you turn off the air conditioner while i
17. he electrical installation Fig 4 NONSTOP AM aoe igs ag W xy NONSTOP AP oode d x NOR lo ROO wise OFFON A OI ON Hi oF my se COOL SOS TIMER weu mmea y ay MY Fan WEEKLY HEHE ON Davor My HEAT EEA next day x Naristop Saori EEDE Fig 5 Display 60 For explanatory purposes the figure showing the remote controller display shows all possible displays The actual display shows only that area that is being adjusted or used Fig 1 Indoor Unit Fig 4 Remote Controller Air Filter START STOP Button FAN CONTROL Button Air Intake Grille Air Flow Direction Flaps Fig 2 Outdoor Unit Air intake Air outlet Operation Lamp ENERGY SAVE Button DAY OFF Button ENERGY SAVE Lamp ZONE Control Button SET Button ZONE Control Lamp AIR FLOW DIRECTION SWING Button AIR FLOW DIRECTION SWING Lamp AIR FLOW DIRECTION SET Button CLOCK ADJUST Button TIMER MODE Button SET TIME Button TEMP DAY Button MASTER CONTROL Button Remote Controller Display Fig 5 Timer Mode Display Clock Display CLOCK TIMER Set Temperature Display TEMP Fan Speed Display Operation Mode Display DEFROST Display 6 TEST Display En 2 PREPARATION Set th
18. lay blank When you press the SET button after setting the WEEKLY 2 OFF time and perform next operation the system registers the WEEKLY 2 settings for the day and returns you to the WEEKLY 1 ON time setup process The first ON setting reap pears and begins flashing You can review your settings by pressing the SET button Each press moves you to the next setting as follows gt WEEKLY 1 gt WEEKLY 1 WEEKLY 2 WEEKLY 2 ON OFF ON OFF 9 Press the TEMP DAY button to select another day for setup The repeat steps 4 to 8 above to set the ON and OFF times for that day 1 When you have finished setting all of the times hold down the SET button for 3 seconds The WEEKLY display flashes for 3 seconds while the new WEEKLY TIMER settings are registered and then the clock display reappears NOTES 1 If no time values are flashing the clock display will automatically reappear after 15 seconds if no buttons are pressed 2 A flashing time value indicates that the system is in time setting mode To return to the clock display you must hold down the SET button for 3 seconds 3 You do not need to set values for both WEEKLY 1 and WEEKLY 2 If you wish you can set values only for WEEKLY 1 or only for WEEKLY 2 4 The allowable range for the day s time settings is shown below Cannot set 5 min Available range 5 min Cannot set H M MM ON O
19. n the conservation mode the mode will be shut off The temperature set on the remote controller will not change if the energy save mode is used B When Heating B When Cooling After the ENERGY SAVE button is pressed the set tempera After the ENERGY SAVE button is pressed the set tempera ture will be lowered about 2 F every 30 minutes When it ture will be raised about 1 F every 30 minutes When it has has lowered a total of 4 F then it will hold that temperature gone up a total of 2 F then it will hold that temperature en 4E V Set to the ENERGY SAVE mode 30 min 30 min A Set to the ENERGY SAVE mode En 11 ADJUSTING THE DIRECTION OF AIR CIRCULATION Instructions relating to heating are applicable only to HEAT amp COOL MODEL Reverse Cycle Begin air conditioner operation before performing this procedure Vertical Air Flow Direction Adjustment Press the AIR FLOW DIRECTION SET button SET TIME TEMP DAY FAN PN a CONTROL Each time the button is pressed the air flow direction range will change as fol a x GARE OWS CLOCK ADJUST x i Fig 6 D ZONE ENERGY SAVE START STOP g SET DAY OFF OOO Always use the remote controller s AIR FLOW DIRECTION SET button to ad just the UP DOWN air flow direction Use the air flow direction adjustments within the ranges shown above flaps Attempting
20. nd the following details regarding this air conditioner Operation and Performance Heating Performance Microcomputer controlled Automatic Defrosting This air conditioner uses a heat pump which absorbs heat When the outside temperature is low and the humidity high from outside air and brings it indoors As a result its heat ing performance is reduced as the temperature of out side air drops If you find that insufficient room heat is produced we recommend that you use the air conditioner together with other heating appliances Heat pump type air conditioners use warm air recirculation to warm your entire room As a result some time will be required after starting operation until your entire room becomes warm When Indoor and Outdoor Temperatures are High frost will collect on the outside unit reducing heater effi ciency When this happens the computer will automatically start the defrost cycle During the defrost cycle the indoor fan will shutdown and DEFROST will be displayed on the remote controller It will take anywhere from 4 to 15 min utes 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 inter mittently When both indoor and outdoor temperatures are high dur ing use of the heating mode the outdo
21. nds to start the self diagnosis check An error code will be displayed in the clock display area 3 Press the SET TIME V and the TEMP DAY V buttons again for more than three seconds to end the self diag nosis check Error Code Error contents Ox Communication error indoor unit 4 gt remote controller rr Communication error indoor unit gt outdoor unit rv pa T Room temperature sensor open rr ae Room temperature sensor shortcircuited rr Z mOn al Indoor heat exchanger temperature sensor open re Indoor heat exchanger temperature sensor shortcircuited rr Outdoor heat exchanger temperature sensor open mr Outdoor heat exchanger temperature sensor shortcircuited rr Power source connection error rr Float switch operated rr Outdoor temperature sensor open rr Outdoor temperature sensor shortcircuited mr mg y Discharge pipe temperature sensor open re Discharge pipe temperature sensor shortcircuited rr Outdoor high pressure abnormal n rr Discharge pipe temperature abnormal rr Model abnormal rr Indoor fan abnormal rr Outdoor signal abnormal re Outdoor EEPROM abnormal En 14 OPERATION DETAILS Instructions relating to heating are applicable only to HEAT amp COOL MODEL Reverse Cycle Please read and understa
22. ner and then proceed as follows TIMER or ON TIMER on the display To stop weekly timer operation and the air conditioner also Press the START STOP button to check 3 Press the SET TIME button A or W to switch between the WEEKLY 1 or WEEKLY 2 time displays Cancelling Selected Time Settings Press the START STOP button to stop the air conditioner and then proceed as fol lows 1 2 Carry out steps 1 to 3 of the Setting Up the Weekly Timer Operation procedure to select the day you want to edit Press the SET button to select the ON time that you want to cancel Be sure to select an ON time the upper time display Hold down the V side of the SET TIME button until the LLA time display becomes blank Press the SET button The first OFF time setting WEEKLY 1 OFF time is deleted and replaced by a flashing blank pattern Press the SET button again This completes deletion of the WEEKLY 1 ON OFF settings The second ON time setting WEEKLY 2 ON time appears and flashes If you wish to delete other time settings repeat steps 2 through 5 Once the setting has been canceled hold down the SET button for 3 seconds The WEEKLY display flashes briefly and then the clock display appears 1 Press the TIMER MODE button so that WEEKLY appears 2 Press the TEMP DAY button to select the day that you want
23. ng If dirt is allowed to accumulate on the air filter air flow will be reduced lowering operating efficiency and increas ing noise During periods of normal use the air filters should be A cleaned every two months DN yY A SN Intake grille 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 100 F 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 En 13 ERRORS AND SELF DIAGNOSIS Error Code rm i co 23 FAN CONTROL MASTER X CONTROL NE ENERGYSAVE START STOP DAY OFF If there is a problem with the air conditioner it will stop run ning and E EE will be displayed instead of the clock 1 If the operation lamp is on then press the START STOP button to turn it off 2 Press the SET TIME V and the TEMP DAY V buttons at the same time for more than three seco
24. or unit s fan may stop at times AUTO Restart In Event of Power Interruption 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 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 turn off the circuit breaker turn it on again and then use the remote controller to resume operation Temperature and Humidity Range Cooling Dry Mode Heating Mode Outdoor temperature COOLING MODEL About 32 to 115 F era AU COOL MODEL Reverse Cycle AUU36RC AUU42RC About 32 to 115 F About 32 to 75 F About 17 to 75 F Indoor temperature About 65 to 90 F About 86 F or less Indoor humidity About 80 or less If the unit is used for long pe riods under high humidity conditions condensation may form on the surface of the indoor unit and drip onto the floor or other objects un derneath If the air conditioner is used under higher temperature conditioner than those listed the built in protection circuit may operate to prevent internal circuit damage Also during Cooling and Dry modes if the unit is used under conditions of lower temperature than those listed above the he
25. ous injury to the user or service personnel This mark indicates procedures which if improperly performed might lead to the A WARNING death or serious injury of the user A CAUTION This mark indicates procedures which if improperly performed might possibly result 5 in personal harm to the user or damage to property A DANGER Do not attempt to install this air conditioner by yourself This unit contains no user serviceable parts Always consult authorized service per sonnel for repairs When moving consult authorized service personnel for disconnection and installa tion of the unit Do not become over exposed to cold air by staying in the direct path of the air flow of the air conditioner for extended periods of time Do not insert fingers or objects into the outlet port or intake grilles Do not start and stop air conditioner operation by turning off the electrical breaker and so on In the event of a malfunction burning smell etc immediately stop operation turn off the electrical breaker and consult authorized service personnel Provide occasional ventilation during use A CAUTION Do not direct air flow at fireplaces or heating apparatus Do not climb on or place objects on the air conditioner Do not hang objects from the indoor unit Do not set flower vases or water containers on top of air conditioners Do not expose the air conditioner directly to water
26. ration water may be produced from the out door unit due to Automatic Defrosting operation 15 En 17 Instructions relating to heating are applicable only to HEAT amp COOL MODEL Reverse Cycle Symptom Items to check See Page CHECK ONCE Doesn t operate at all Has there been a power failure nn MORE Has a fuse blown out or a circuit breaker been tripped Is the timer operating 5 Poor Cooling or Heating Is the air filter dirty performance 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 p In the case of Cooling operation is a window allowing bright sun light 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 turn off the electrical breaker and consult with authorized service personnel En 18
27. rm 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 defrosting see page 15 the heating mode will be temporarily interrupted DEFROST will be shown on the remote controller display During Cooling mode Set the thermostat to a temperature set ting that is lower than the current room temperature The Cooling mode will not operate if the thermostat is set higher than Cooling the actual room temperature in Cooling Use to cool your room mode the fan alone will operate Fan Use to circulate the air throughout your room En 4 TIMER OPERATION OFF TIMER ON TIMER Before using the timer function be sure that the remote controller is set to the correct current time and Day Press the START STOP button after the unit starts operation perform the following procedure OFF Timer ON Timer 1 Press the TIMER MODE button and display either OFF Timer or ON Timer The timer will start operating If you set the ON timer the air conditioner will stop operating Each time the button is pressed the timer function changes in the follow ing order m gt NON STOP RESET gt OFF gt ON gt WEEKLY 2 Press the SET TIME button and set the timer time A Use to advance the time forward VW Use to turn the time back Press once to move the time 1 minut
28. se Cycle WARNING In the event of a malfunction burning smell etc immediately stop operation turn off the elec trical 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 FUNCTION Doesn t operate immedi ately Ifthe unit is stopped and then immediately started again the com pressor 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 During operation and immediately after stopping the unit the sound of water flowing in 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 operation a slight squeaking sound may be heard This is the result of minute expansion and contraction of the panel due to temperature changes During Heating operation a sizzling sound may be heard occa sional This sound is produced by the Automatic Defrosting op eration 15 Smells Some sm
29. setting Vv Press to lower the thermostat setting Thermostat setting range AUTO iscrneenensenversewenaenderdnede 64 to 88 F Heating narren dense 60 to 88 F Cooling Dry neen 64 to 88 F The thermostat cannot be used to set room temperature during the FAN mode the temperature will not appear on the remote controller s display The thermostat setting should be considered a standard value and may differ somewhat from the actual room temperature En 3 5 NON STOP Au _ aex oN nin Ader E iy Ry S 4 TIMER SET TIME TEMP DAY FAN MODE Si a CONTROL MASTE v v CONTRG CLOCK ADJUST AN ZONE ENERGY SAVE o o ser DAY OFF KN p x NON STOP AM _ CLOCK M IT 0 13 MASTER oe CONTROL FAN DN CONTROL CLOCK ADJUST START STOP D Example When set to 84 F OPERATION Instructions relating to heating are applicable only to HEAT amp COOL MODEL Reverse Cycle To Set the Fan Speed Press the FAN CONTROL button to select the fan speed a aa A A Tx und wa Her Pb AUTO gt HIGH gt MED P LOW SET TIME TEMP DAY FAN Di jn CONTROL When set to AUTO a Is Heating Fan operates so as to optimally circulate warmed air lt However the fan will operate at
30. very low speed when the tem perature of the air issued from the indoor unit is low 5 ZONE I Cooling As the room temperature approaches that of the thermostat set SELIG oF ting the fan speed becomes slower Fan The fan alternately turns on and off when on the fan runs at the Example When set to HIGH low fan speed v CLOCK ADJUST The fan will operate at a very low setting during Monitor operation f W HIGH m F i To Stop Operation r MES Press the START STOP button w Low E The remote controller s operation lamp green will go out The display contents disappear and only the current time is displayed About Mode Operation Cooling Operation AUTO COOLING MODEL When the room temperature is 4 F higher than the set temperature the mode will switch between Cooling and Drying 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 If the mode automatically selected by the unit is not satisfactory see page 3 for instructions on changing the mode setting COOL FAN AUTO AUTO CHANGEOVER HEAT amp COOL MODEL Reverse cycle When AUTO CHANGEOVER is selected the air conditioner selects the appropriate operation mode Cooling or Heating according to your room s present temperature When AUTO CHANGEOVER is first selected the fan will op
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