MCS300
3.8Connectionofductsandhoses
3.8.1General
Followtheinstructionsbelowwhenattachingductsorexiblehosestotheunit'sairconnections.
■Ductlengthshouldbekeptasshortaspossibletominimisestaticpressureloss.
■Allductandhoseconnectionsmustbeairtightandvapourtighttoensurefullperformance.
■Toretainthecorrectairowforreactivationair,anairdampermustbeinstalled.Thisdamperistobe
installedinthewetairoutletducting,seeFigure3.2andFigure3.3.Foradjustmentofairow ,followthe
instructionsinsection4.5,Adjustingreactivationtemperature.
■Ductingforwetairshallbeinstalledatadownwardinclinetoenablecondensatetodrain.Thewet
airductingshouldbeprovidedwithsuitabledrainageatlowpointstopreventthecollectionof
condensationwater.Alternatively,condensationcanbeavoidedbyinsulatingtheductwithatleast
25mmofsuitableinsulatingmaterial.
■Covertheductopeningwithmeshtopreventbirdsandrodentsfromenteringtheunit.Positionthe
openingsothatrainandsnowcannotenterthelines.
■Thewetairductorhosemustbecorrosionresistantandabletowithstandtemperaturesupto70°C.
CA CA
CA
UTION! UTION!
UTION!
Ifthereisriskforfreezingtemperatures,thewetairductingmustbeinsulated.
3.8.2Installationexamples
Closedairowsystem
Thedehumidierisplacedinthespacetobedehumidied.Thewetairistransportedoutdoorswithducting.
Noconnectionismadetothedryairoutlet,seeFigure3.2.Theadvantagewiththisinstallationmethodisa
simplersetup;ductingdoesnotneedtobeconnectedtothedryairoutlet.
Figure3.2Installationinaclosedairowsystem.
A.DryairD.Leakageair
B.ProcessairE.Wetair
C.Connectiontting
1)
F.Reactivationair
1)
Fittingwithdiameter80mm(forexample,LindabSafeNPUnippleoralternateLindabDamperDRU80).
190TEN-1027-F1404Installation8