Munters MLT350 - Page 24

DehumidierML180-MLT350
6.6.2Automaticmode–humiditysensorconnected
ToruntheunitinAUTOmode,theremustbeaone-stephumiditysensorconnected.Formoredetails,
seesection4.8,Externalhumiditysensor.
1.OperatethemodeswitchtopositionAUTO.
2.Adjustthehumiditysensorsetpointfortheminimumrelativehumidity(RH)value.Operatethe
run/stopswitchtoposition
.Ensurethattheunitrunningindicatorislitandtheunitisoperating.
3.Slowlyincreasethehumiditysetpointandcheckthattheunitswitchesoffwhenthesetpointmatchesthe
RHintheroomwherethehumiditysensorisinstalled.
4.Checkthattheunitrunningindicatorremainson.
5.Slowlydecreasethehumiditysetpointandcheckthattheunitswitchesonwhenthesetpointfallsbelow
theRHintheroomwherethehumiditysensorisinstalled.
6.Operatetherun/stopswitchtoposition
andcheckthattheunitstopsandthattheunitrunning
indicatorgoesout.
7.AdjustthehumiditysetpointtothedesiredRHvalue.
Fordetailsontheoperatorpanel,seesection6.4,Operatorpanel
6.6.3Automaticmode-RH98
IftheunitisttedwithafactoryinstalledRH98(option)humiditycontrolsystem,theexternalhumidity
sensormustbeinstalledandcorrectlyconnectedtotheunit.Thesamesiterequirementsapplytothe
humiditysensorandRH98,seesection4.8,Externalhumiditysensor.
Formoreoperationaldetails,seeappendix1.3,Humiditycontrolsystem.
1.OperatethemodeswitchtopositionAUTO.
2.AdjusttheRH98setpointtothelowestRHvalue,seesection6.5,RH98operatorpanel.
3.Operatetherun/stopswitchtoposition
.Ensurethattheunitrunningindicatorislitandthe
unitisoperating.
4.Slowlyincreasethehumiditysetpointandcheckthattheunitswitchesoffwhenthesetpointmatchesthe
RHintheroomwherethehumiditysensorisinstalled.
5.Checkthattheunitrunningindicatorremainson.
6.Slowlydecreasethehumiditysetpointandcheckthattheunitswitchesonwhenthesetpointfallsbelow
theRHintheroomwherethehumiditysensorisinstalled.
7.Operatetherun/stopswitchtopositionandcheckthattheunitstopsandthattheunitrunning
indicatorgoesout.
8.AdjustthehumiditysetpointtothedesiredRHvalue.
20Operation190TGB-1034-L1604