
C–GeneralInformation
C‐
4
StandardNPseriesdehumidifiersaresemi‐custom:whilebasicconceptandlayoutisthesame,optionsand
specificsystemsandcomponentslayoutandlocationmayvaryfromonedehumidifiertoanother.Oneofthe
typicaldehumidifierarrangementisshownonPic.C.1.
DehumidifierOptions
Indoororoutdoorinstallation.
oNote:Pic.C.1.showsoutdoormodel,equippedwithlouvers(toprotectairintakeanddischarge
openingsfromelements).Indoormodelwouldhaveductsconnectedtorespectiveopenings,no
louverswouldbeneeded.
Capacity(numberofcompressors)–twotofourcompressors(seeDehumidifierOptionalArrangementbelow
formoredetails):
oTwo‐compressordehumidifieroption(18to80tons,modelsNP018toNP080).
oThree‐compressordehumidifieroption(90to100tons,modelsNP090toNP100).
oFour‐compressordehumidifieroption(128tons,modelNP128).
Airflow/ductworkconnection*.Pic.C.1showssomeoptionsonly;eachoptionlocationavailabilitydependson
thedehumidifierinstallation(indoororoutdoor)andotheroptions:
oReturnAir(RA)ductworkconnection‐top,bottom,end,sides.
oSupplyAir(SA)ductworkconnection–top,bottom,sides.
oOptionalMinOutdoorAir(OA)ductworkconnection/termination–top,sides.
oOptionalMinExhaustFan(EF)andPurgeFan(PF)ductworkconnections/terminations–end,sides.
oOptionalPurgeOutdoorAir(POA)ductworkconnection/termination‐top,sides.
OptionalPoolWaterHeating**.
oDehumidifiercanaccommodateuptotwopoolwaterheatingcircuits
OptionalSpaceHeating‐hotwatercoil,electricorgasheater***.
OptionalHeatRecovery(HR)circuit.
AirConditioning(AC)*–externalwatercoolingorfluidcooler(packagedorseparate).
oNote:Pic.C.1showsoutdoormodelwith“packaged”fluidcooler(mountedwiththedehumidifier).
“Packaged’ACoptionisavailableforoutdoormodelsonly;alternatively,indoorandoutdoormodels
couldbefittedforseparate/remoteACoption–remotefluidcoolerorotherexternalcoolingmedia
source.
*
Someavailableoptions(tonnage,ductworkconnections,ACoptionsetc.)areshown.Refertothesubmittal
andotherrelevantdocumentationforyourdehumidifier’soptions.
**Thepoolwaterheatingoptionreliesoncompressor‐createdexcessheatandisusedasanadditional
heatingsource.Itdoesnoteliminatetheneedforamainpoolwaterheater.
***Forspecificdetailsonspaceheating(hotwater,gas,electric)option,refertothesubmittalandother
documentation:
Gas‐firedductheatercanbeinstalledinternally(fittedinsidethedehumidifieratthefactory)orprovidedforfield
installation(tobefittedinthesupplyairductwork).
Electricheaterorhotwatercoil,dependingoncapacity,model,size,etc.,canbeinstalledexternally(mountedonthe
topofSAopeningorfittedinthesupplyairductwork)orinternally.Refertoyourdehumidifier’ssubmittal
documentation.
Attention!EquipmentClearancesandDimensions!
CAUTION!
Forequipmentproperoperation,maintenanceandservice,respectiveclearancesshouldbe
maintained.Generally,30”clearancestotheequipmentmustbekeptforthemaintenanceandservicepurposes.
Forthespecificrequiredclearancesinformation,aswellasdehumidifieroveralldimensions,distancestopipe
connections,ductconnectionsetc.,refertothesubmittaldocumentation.