Munters ComDry - Functions and Display Information

ComDryControlSystem
2.5Functions
2.5.1Processfanmode
Therearethreeprocessfanmodes:
FanmodeDescription
[FanON]In[FanON]mode,thedehumidierwillruntheprocessfancontinuously,regardlessofthereisa
dehumidicationneedornot.Thisisthedefaultmode.
[FanINT]
(INTermittent)
In[FanINT](INTermittent)mode,thefanwillstopwhenthedesiredhumidity(SetValueminusHysteresis)
isreached.IfthehumidityreadingstaysbelowtheSetValue,theprocessfanwillanyhowstartafter30
minutestoletthebuilt-insensormoreaccuratelysensetheconditionoftheincomingprocessair.The
fanwillrunforaminutetoproduceapropermeasurement.IfthehumidityisstillbelowtheSetValue,
thefanwillstopagain.ThisisrepeateduntilthehumidityreachestheSetValue,whichwillmakethe
dehumidicationstartagain.
[FanDEM](on
DEMand)
In[FanDEM](onDEMand)mode,thefanwillstopwhenthedesiredhumidity(SetValueminus
Hysteresis)isreached.Itwillstartagainwhenthesensedhumidityisequalto,orgreaterthantheSet
Value.Thisgivesinpracticeacontrolwithgreaterhysteresisthan“FanINT”,dependingonthefollowing:
Whenthedehumidierhasreachedthedesiredhumiditylevel,itwillshifttostand-byandstoptheprocess
fan.Afterawhile,internalmachineheatwillincreasethetemperatureofthehumiditysensor.Thismakes
thesensorreadingevenlower,i.e.thesystemfunctionsasiftherewasa“negativehysteresis”.Asa
result,agreaterhumidityloadwillbenecessarytomakethedehumidierstartcomparedwiththe“Fan
INT”mode.
2.5.2Humiditycontrolandunits
Itispossibletosetthecontrol/presentationofthehumiditytoeitherRelativehumidity(RH%),Dewpoint
(Dp°C)orabsolutehumidity(Xgr/kg).
Dependingonunitsystemsetting,SIformetricorIPforImperial,thereadingswillbeshowninCelsiusand
g/kg,orFahrenheitandgrain/lb.AllthesesettingsaremadeintheFunctionsmenu.
14MenusandparametersMEN-CDCS-A1808