'22 • PAC-SM-412
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24
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(32) Fan circulator operation (RC-EXZ3A only)
Whenthefanisusedforcirculation,theunitisoperatedasfollowsdependingonthesettingwiththeremotecontrol.
(a)Iftheinvalidisselectedwiththeremotecontrol,thefanisoperatedcontinuouslyduringthefanoperation.(normalfanmode)
(b)If the valid is selected with the remote control, the fan is operated or stopped when on the dierence of the remote
controltemperaturesensorandthereturnairtemperaturesensorbecomesbiggerthan3°C.
(33) The operation judgment is executed every 5 minutes (RC-EXZ3A only)
SettingtemperatureTsischangedaccordingtooutdoortemperature.
Thiscontrolisvalidwithcoolingandheatingmode.(Notautomode)
(a) Operate 5 minutes forcedly.
(b)Settingtemperatureisadjustedevery10minutes.
(i)Coolingmode.
Ts = outdoor temperature
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osetvalue
(ii)Heatingmode.
Ts = outdoor temperature
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osetvalue
(c)Ifthereturnairtemperaturelowerthan18°Cincoolingorreturnairtemperaturebecomeshigherthan25°Cinheating,
unitgoesthermostatOFF.
(34) Auto fan speed control (RC-EXZ3A only)
Inordertoreachtheroomtemperaturetothesettemperatureasquicklyaspossible,theairowrateisincreasedwhenthe
settemperatureofthermostatdierslargelyfromthereturnairtemperature.Accordingtotemperaturedierencebetween
set temperature and return air temperature, indoor fan speed are controlled automalically.
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Auto1:ChangestheindoorfanspeedwithintherangeofHi↔Me↔Lo.
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Auto2:ChangestheindoorfanspeedwithintherangeofP-Hi↔Hi↔Me↔Lo.
(35) Indoor unit overload alarm (RC-EXZ3A only)
Ifthefollowingconditionissatisedat30minutesafterstartingoperation,RC-EXZ3Ashowsmaintenancecode"M07"
andthesignalistransmittedtotheexternaloutput(CnT-2-5).
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Cooling,Dry,Auto(Cooling):Indoorairtemperature=Setroomtemperaturebyremotecontrol+Alarmtemperaturedierence
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Heating,Auto(Heating):Indoorairtemperature=Setroomtemperaturebyremotecontrol-Alarmtemperaturedierence
Alarmtemperaturedierenceisselectablebetween5to10°C.
Ifthefollowingconditionissatisedorunitisstopped,thesignalisdisappeared.
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Cooling,Dry,Auto(Cooling):Indoorairtemperature=Setroomtemperature+Alarmtemperaturedierence-2°C
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Heating,Auto(Heating):Indoorairtemperature=Setroomtemperature-Alarmtemperaturedierence+2°C
(36) Peak-cut timer (RC-EXZ3A only)
Powerconsumptioncanbereducedbyrestrictingthemaximumcapacity.
Setthe[Starttime],the[Endtime]andthecapacitylimit%(Peak-cut%).
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4-operation patterns per day can be set at maximum.
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Thesettingtimecanbechangedby5-minuteinterval.
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Theselectablerangeofcapacitylimit%(Peak-cut%)isfrom0%to40-80%(20%interval).
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Holidaysettingisavailable.