Owner manual

2
Electrical Requirements
• TheDH95isequippedwithanappliancecordandmaybepluggeddirectlyintoa120volt,15amphouseholdtype
convenienceoutlet.Ifusedinawetareasuchasanindoorpool,sparoom,oranareapronetoooding(basement
orcrawlspace),agroundfaultinterrupterprotectedcircuitisrequired.Inallcaseslocalcodesprecedeoverall
installationandwiringrecommendations.
• IfaremotewallmountedHumidistatisutilized,installtheHumidistatcontrolinacentralareaofthestructurewhere
itwillsensetherelativehumidityofthestructureaccurately.Donotinstallthecontrolwhereitmaynotaccurately
sensetherelativehumidity:nearHVACsupplyregisters,nearexteriordoors,ornearapoolorspa.Donotinstall
thecontrolinanareanotservedbytheDH95.TheinstallermustsupplythewiringbetweentheDH95andthe
Humidistatcontrol.Besuretosafelyroutethecontrolwiringtopreventdamageduringinstallation.Becarefulnot
tocrossthewireswhenconnectingtheDH95andthecontrolordamagetothetransformermayresult.
• When a remote Humidistat is utilized, set the unit mounted humidistat to the “OFF” position.
• ConsulttheelectricalschematicinthismanualorinsidetheaccesspaneloftheDH95beforemakingthecontrol
connections.
Condensate Removal
Condensatedrainsbygravity,viathe¾”PVCdrainoutletlocatedattwolocations,frontsideandbackside.Use
ofbothisnotrequired.Asshippedthereardrainisplugged,andmayberemovedandreplacedintothefrontdrain
outletiftherearoutletisused.Alsoincludedwiththeunitisthecondensatedraintrap,this trap must be used to
allow the unit to drain properly during operation and prevent air from being drawn from the area where the unit
is located.Anoptionalcondensatepumpkitmaybeinstalledifaliftisrequiredtodisposeofthecondensate.If an
option pump is used the condensate trap is still necessary and must be installed between the unit and pump.
Whenthecondensatedrainislocatedin,orpassesthrough,anon-conditionedspace,the condensate piping should
be insulated topreventsweatingthatmaycausedamage.
Ducting (SeeDuctingDiagram)
A. Installing Duct
TheDH95isequippedwithan10”roundductcollarinlet,andan10”roundexhaust/supplycollarthatprovidesfor
connectingtothesupplydistributionsystem.Inallcasessoundductdesignpracticesmustbefollowedsuchasthose
providedinACCAmanual“D”,orASHRAE’s“FundamentalsofAirSystemdesign”.
B. Ducting for Dehumidification
Fortheidealinstallation,drawairfromthecentralpartofthehomeandreturnittotheisolatedareasofthehomelike
thebedrooms,den,utilityroom,orfamilyroom.TheductworkoftheexistingHVACsystemcanbeusedtosupply
airtothehome.Iftheexistingsupplyductadequatelyservesallareasofthehome,dischargethesupplyairofthe
DH95intothereturnoftheexistingHVACsystemwhereitcandistributedthroughoutthespace.Theexistingreturn
duct,ifadequate,maybeusedasreturnfortheDH95,DONOTdrawairdirectlyfromthekitchen,laundry,orisolated
basement.Youmaydrawairfromabasementthatisopentothehome.AllexibleductingconnectedtotheDH95
shouldbeapprovedbylocalcodesandinmostcasesinsulated.
• Returnairductsshouldbedesignedtoallowunimpededairowtothereturnsideofthesystem.Forreturnsless
than10’inlength,a10”roundorequalmaybeutilized.Multiplereturnsareacceptable.
• ThesupplyairoutletandthereturnairinletarelocatedoneachendoftheDH95.Alengthofacousticalex
ductingontheoutletoftheDH95willreduceairnoisefromthefan.AlengthofexibleductingonallDH95duct
connectionsisrecommendedtoreducenoiseandvibrationtransmittedtorigidductworkinthestructure.
• DuctingtheDH95asmentionedinthe“Ducting”sectionsrequiresconsiderationofthefollowingpoints:
• Duct Sizing:Fortotalductlengthsupto10’,useaminimum10”diameterroundorequivalentrectangular.For
longerlengths,upto25’,useaminimum12”diameterorequivalentductsize.Grillsordiffusersutilizedmust
notexcessivelyrestrictairow.
• Isolated Areas: Effectivedehumidicationmayrequirethatductingbebranchedtoisolated,stagnantareas.
Use10”orlargerdiameterbranchductingtoeachoftwoorthreeareas,use6”orlargertoeachoffourormore
areas.