Daitsu FMCD*ECM series - Page 27

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SK2014‐SON‐002‐TechMnl‐FMCD‐003
FANMODE
a) Indoorfanrunsatthesetspeedwhileheater,AUX1,AUX2,MTV1andMTV2areturnedoff.
b) Indoorfanspeedcanbeadjustedtolow,mediumandhigh.

HEATMODE
Withoutelectricalheater 

a) MTV1,MTV2,AUX2andheaterarealwaysoff.
b) IfTr≤Ts
‐1ºC(or‐4ºCifeconomycontactisactivated),thenheatoperationisactivatedandAUX1
isturnedon.Indoorfanrunsatthesetspeed.
c) IfTr>Ts,thenheatoperationisterminatedandAUX1isturnedoff.Indoorfanrunsat200rpm.
d) TherangeofTs
is16‐30ºC.
e) Indoorfanspeedcanbeadjustedtolow,medium,highandauto.


Withelectricalheaterasbooster

a) MTV1,MTV2andAUX2arealwaysoff.
b) IfTr≤Ts‐1ºC(or‐4ºCifeconomycontactisactivated),thenheatoperationisactivatedandAUX1
is
turnedon.Indoorfanrunsatthesetspeed.
c) IfTr>Ts,thenheatoperationisterminatedandAUX1isturnedoff.Indoorfanrunsat200rpm.
d) IfTi1<40ºC,thentheelectricalheateristurnedon.If40ºC≤Ti1<45ºC,thentheelectricalheater

maintainsitsoriginalstate.IfTi1≥45ºC,thentheelectricalheateristurnedof f.
e) TherangeofTsis16‐30ºC.
f) Indoorfanspeedcanbeadjustedtolow,medium,highandauto.


PRE‐HEAT
WithoutElectricalHeater
a) MTV1,MTV2andAUX2areoff.
b) If
Ti1 < 36ºC (or > 28ºC is selected by DIPB‐S2 position SW4), then AUX1 is turned on
whileindoorfanremainsoff.
c) If Ti1≥38ºC (or < 30ºC is selected by DIPB‐S2 position SW4), then AUX1 is turned on
whileindoorfanrunsatsetspeed.
d) If
 the indoor coil temperature sensor is damaged, then the pre‐heat time is set for 2
minutesandtheindoorfanrunsatsetspeed.

WithElectricalHeater
a) Iftheindoorfanspeed≥300RPM,thentheelectricalheaterwillturnon.

