Page 30 of 62
SK2014‐SON‐002‐TechMnl‐FMCD‐003
LOWTEMPERATUREPROTECTIONOFINDOORCOIL
a) IfTi1≤2ºCfor2minutes,thenMTV1andAUX2areturnedoff.Ifindoorfanissetforlowspeed,thenit
will runat medium speed.If it is setatmedium orhigh speed, then it willkeeprunning at
the same
speed.
b) IfTi1≥5ºCfor2minutes,thenMTV1andAUX2areturnedon.Indoorfanrunsatsetspeed.
OVERHEATPROTECTIONOFINDOORCOIL
a) IfTi2≥75ºC,thenMTV2andAUX1areturnedoff.Indoorfanremainsonandrunsathighspeed.
b)
IfTi2<70ºC,thenMTV2andAUX1areturnedon.Indoorfanremainsonandrunsatsetspeed.
c) Iftheindoorcoiltemperaturesensorisdamaged,thentheprotectionmodewillbeoverriddenandthe
unitwillworkaccordingtothepre‐heatandpost‐heatsettimes.
DEHUMIDIFICATIONMODE
a) MTV2,AUX1andheaterarealwaysoff.
b) IfTr≥25ºC,thenMTV1andAUX2willbeturnedonfor3minutes,andthenofffor4minutes.
c) If16ºC≤Tr<25ºC,thenMTV1andAUX2willbeturnedonfor3minutes,and
thenofffor6minutes.
d) IfTr<16ºC,thenMTV1andAUX2willbeturnedofffor4minutes.
e) Attheendoftheabovedehumidificationcycle,thesystemwilldecidethenextdehumidification
controloption.Indoorfanwillrunatlowspeedthroughoutthedehumidificationprocess.
AUTO‐
MODE
a) Ifthecurrentrunningmodeis AUTOCOOLmode, itwill changeoverto AUTOHEAT modeupon satisfyingall
theconditionsbelow:
1) Ts–Tr≥1°C(or–4ºCifeconomycontactisactivated).
2) MTV1hasstopped≥10minutes.
b) Ifthecurrentrunning
modeisAUTO HEAT mode,it willchangeover toAUTOCOOL modeuponsatisfyingall
theconditionsbelow:
1) Tr‐Ts≥1°C(or+4ºCifeconomycontactisactivated).
2) MTV2hasstopped≥10minutes.
Note:AUTOCOOLorAUTOHEAToperationsarethesameasCOOLor
HEATmoderespectively.
To Next Page
Loading...
