Munters MG50 - Dehumidifier Design; Product Description; Principle of Operation

MG50&MG90
2Dehumidierdesign
2.1Productdescription
Thedesiccantdehumidiersaredesignedtoeffectivelydehumidifytheair.Theircompactformis
comprisedofsectionsthatareheldtogetherwithjustfourbolts.Thefan,desiccantrotorandreactivation
heaterareheldintheirrespectivesectionswithoutanyfurthermeansofattachment.Oneofthesections
containsadistributionchamberwithinsulatedsectionsthatprovideexactlytherightbalancebetweenthe
dehumidifyingandreactivationairows.Thesturdyoutercasingismadeofcorrosionresistant,die-cast
aluminium.
TheelectricalequipmentcomplieswiththeEN60204-1standard.Thedehumidierismanufactured
accordingtouniformEuropeanstandardsandtheestablishedrequirementsforCE-marking.
2.2Principleofoperation
Thedesiccantrotoristheadsorptiondehumidifyingcomponentintheunit.Therotorstructureis
comprisedofalargenumberofsmallairchannels.
Thedesiccantrotorismadeofacompositematerialthatishighlyeffectiveinattractingandretainingwater
vapour.Therotorisdividedintwozones.Theairowtobedehumidied,processair,passesthroughthe
largestzoneoftherotorandthenleavestherotorasdryair.Sincetherotorrotatesslowly,theincomingair
alwaysmeetsadryzoneontherotor,thuscreatingacontinuousdehumidicationprocess.
Theairowthatisusedtodrytherotor,reactivationair,isheated.Thereactivationairpassesthrough
therotorintheoppositedirectiontotheprocessairandleavestherotoraswetair(warm,moistair).This
principleenablesthedehumidiertoworkeffectively,evenatfreezingtemperatures.
1.Filter
2.Heater
3.Rotor
4.Drivemotor
5.Circuitboard
6.Filter
7.Impeller
A.Reactivationair
B.Wetair
C.Processair
1
2
3
4
5
6
7
A
B
C
D
Figure2.1Principleofoperation
D.Dryair
190TGB-1004–N1402Dehumidierdesign4