Generalaire DH70 Dehumidifier User Manual download pdf

DH70 - Crawl Space, Attic or Basement

Whole House Dehumidiﬁer

Installation & Owners Manual

Speciﬁcations

• Model:DH70

• Capacity:70pints/day,(3.25lbs./hr)@80°/60%RH

• Electrical:110-120VAC,6.7FLAAmps,60Hz,grounded

• OperatingReturnAirTemp.Range:50°Fmin.,90°Fmax.

• AirFlow:

• 280CFMwithoutexternalducting

• 235CFM@.30IWGexternalstatic

• 195CFM@.50IWGexternalstatic

• RefrigerantCharge:17.5oz.R-410A

• Ductconnections:Returnductange:8”Round,Outlet8”Round,

• FilterSize:HighEfciency(MERV11):Pleated11-3/4”X11-3/4”X2”

• Size(Clearance):14”Heightx26”Widthx14”Depth,12”minimumfrontorrearclearanceforlterservice.

• Weight:65pounds(ShippingWeight80pounds)

Read and Save These Instructions

FORMNO.DH70REVA

Humidistat

27.25

23.25

13.00

12.75

13.75

13.00

Return

Supply

8" 8"

Filter Access

3/4" NPT Drain

3/4" NPT Drain Option

Factory Installed Plug

Grounded 120 V Power Cord - 90"

Service Access

Ajustable Legs 1/4"- 1"

Low Voltage TerminalHumidistat

LEFT SIDE VIEW

TOP VIEW

FRONT VIEW

RIGHT SIDE VIEW

BACK VIEW

DH 70

Read the installation operation and maintenance instructions carefully before installing and using this unit.

Proper adherence to these instructions is essential to obtain maximum beneﬁt from the DH70 system.

Installation contrary to these guidelines or lack required maintenance will void warranty.

Unit Location

TheDH70canbeinstalledinavarietyoflocationstomeetthe

owner’sneedsaslistedbelow.Inallcaseskeepthefollowing

cautionsinmind:

• Theunitisdesignedtobeinstalledindoorsinaspacethatis

protectedfromrain,oodingand/orotherformsofexcesswater.

Unitisnotdesignedtobeexposedtochlorinatedpoolconditions

orspaceswhereunitwillbeexposedtocorrosivechemicalsor

conditions.

Installtheunitwithspacetoaccessthefrontpanelfor

maintenanceandservice.Alsoalloweasyaccesstothelter

coverpanel.DO NOT INSTALL THE UNIT WITH THE FRONT

PANEL OR FILTER COVER PANEL INACCESSIBLE.

• Avoiddischargingtheairdirectlyatpeople,overthewaterinpool

areas,orotherareasorobjectswheredehydrationorevaporation

ofmoistureisnotdesired.

• Ifusednearwetareas,becertainthereisNOchancetheunitcouldfallintothewaterorbesplashedandthatitis

wiredintoaGROUNDFAULTINTERRUPTERprotectedcircuit(seelocalcodesforotherrequirements).

• AsecondarydrainpanMUSTbeplacedundertheunitifinstalledabovealivingareaoraboveanareawherewater

leakagecouldcausedamage(seelocalcodesforotherrequirements).

• DO NOTlocatetheDH70directlyonstructuralmemberswherenoiseorvibrationmaybeobjectionable.TheDH70

isequippedwithadjustablesupportfeettoraiseandleveltheunitfromthemountingsurface,theseadjustablefeet

shouldbeutilizedtoprovideimproveddrainagefromthedrainpanandshouldbeadjustedtotiltslightlytowardthe

drainutilized.

By GeneralAire

1 2 3 4 5 6 7 8

Summary of Contents

Page 1 - Unit Location

1DH70 - Crawl Space, Attic or BasementWhole House Dehumidiﬁer Installation & Owners ManualSpeciﬁcations• Model:DH70• Capacity:70pints/day,

Page 2 - Ducting (SeeDuctingDiagram)

2• Inawholehousesystem,theDH70shouldbelocatedneartheexistingairhandlingsystemtominimizetherequiredductworkforconnectingofthe

Page 3

3B. Ducting for DehumidiﬁcationFortheidealinstallation,drawairfromthecentralpartofthehomeandreturnittotheisolatedareasofthehome

Page 4 - UnitSchematic

4F. Installation in a Structure with No Existing Forced Air HVAC System (Whole House Dehumidiﬁcation)WheninstallingtheDH70inastructurethatdoes

Page 5 - System Variations:

5Field Connections, Low VoltageWhen a remote Humidistat is utilized, set the unit mounted humidistat to the “OFF” position.Typical Equipment Layout Sp

Page 6 - High Efﬁciency Air Filter

6Typical System Operation Sequence Upontherelativehumidityexceedingthehumidistatsetpoint,normallybyapproximately3%,thehumidistatwillen

Page 7

7Limited WarrantyAppliesinU.S.A.andCanadaOnlyFAILURE TO MAINTAIN YOUR EQUIPMENT WILL VOID THIS WARRANTYCOVERED EQUIPMENTThefollowingGeneralFil

Page 8 - APPLICABLE LAW AND VENUE

8LIMITATIONS OF REMEDIESOWNER’SSOLEANDEXCLUSIVEREMEDYUNDERTHEABOVELIMITEDWARRANTYANDCOMPANY’SENTIRELIABILITYTHEREUNDER,SHALLBE,ATTHE

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Generalaire DH70 Dehumidifier User Manual

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