Munters MCS300 - Adjusting Reactivation Temperature; Fault Indication; Service and Maintenance; General Maintenance

MCS300
4.3.2Manualoperation
1.Resetmeasurementofpowerconsumptionasrequired,seesection4.3.1,Measuredvalues.
2.Switchtheon-offswitchtopositionI,seeFigure4.1.
3.SelecttheManoperatingmodebypressingtheoperatingmodeselectorbutton.
4.3.3Automaticoperation
ForthedehumidiertooperateinAuto1or2,thehumidistatmustbeconnectedtothehumidistatsocketof
theunit,seesection3.10,Connectingthehumidistat.
1.Resetmeasurementofpowerconsumptionasrequired,seesection4.3.1,Measuredvalues.
2.Adjustthehumidistattothedesiredsetpoint.
3.Switchtheon-offswitchtopositionI,seeFigure4.1.
4.SelecttheAuto1or2operatingmodebypressingtheoperatingmodeselectorbutton,seeFigure4.1.
NOTE!Connectionofthehumidistatactivatesabuilt-in2minutesdelayfunctionforre-start.Theopeningand
closingofthehumidistatcircuitwithinthe2minutesperiodwillnotstartthedehumidieragainbecauseofthedelay
function.Incasethehumidistatcircuithasbeenopenedformorethan2minutesandthencloses,thedehumidier
willstartimmediately.Thepurposewiththisfunctionistopreventthecircuitfromcontinuouslycyclingonandoff,in
casethehumidistatisinstalledinapoorlychoosenlocation.
4.4Stop
Switchtheon-offswitchtoposition0,seeFigure4.1.
4.5Adjustingreactivationtemperature
Ifadamperisinstalledonthewetairside,thedehumidier’sreactivationtemperatureisadjustedasfollows:
1.Whiletheunitisoperating,pressthemeasurementselectorsothereactivationtemperatureisshown
onthedisplay,seeFigure4.2.
2.Adjustthedamperandcheckthereactivationtemperature.Whenthedamperisproperlyadjusted,the
differencebetweenthereactivationtemperatureandtheambienttemperatureshouldbeabout95°C.
NOTE!Atstart-up,thedisplayshowsLO°Cforreactivationtemperaturesbelow65°C.
4.6Faultindication
Excessivelyhighreactivationtemperaturesareindicatedonthecontrolpanel,seeFigure4.3andTable6.1.
-Fixedlight,thedehumidierisstillrunning.
-Blinkinglight,thedehumidierhasstopped.
Man
Auto 1
Auto 2
KWH
Temp
E
Figure4.3Faultindication
E.Indicationfortemperaturecontrolandtrippedthermostat
190TEN-1027-F1404Operation14