BOSCHSECURITYSYSTEMS,INC.
130PerintonParkway
Fairport,NY14450USA
II. MOUNTING THEDETECTOR
Thesamplingtubesmaybeorderedtoa desiredlengthororderedinoneof3 standardlengthsandcut
perrequirements. Theintakesamplingtubeconsistsofapieceof steelpipingwithaseriesofholes
drilledtheentirelengthofthetubeandshouldextendtheentirewidth oftheduct.Theholesmustbe
facingintotheairflow(seeFigure2). Theexhausttubeconsistsofapieceofsteelpiping
approximately7-1/2"long.
1.Removepaper backingfrommountingtemplateAP121(packagedin installationkit)andaffixto
ductatdesiredlocation.
2.Usingtemplateasa guide, drill4mountingholes(3/32"diameter)forductmountingscrews(4#12
x1/2"sheetmetalscrewspackagedininstallationkit). Drillorpunchholesforsamplingtubesinair
ducts(1-3/8"diameter),usingtemplateasa guide. Cleanallholes.
DuctSmoke Detector LocationRequirements:
detectorsshouldnotbemountedinareasofextremehighorlowtemperatures,in
areaswherehigh humidityexist,orinareaswhereductairmaycontaingasesor
excessdust.Theductdetectorshould,whenpossible,belocatedaminimumofsix
duct widthsdownstreamfroma sourceofturbulence(bends,inlets,ordeflection
plates).Attheselocations,airflowislessturbulentandthe air/smokemixture
shouldbemorehomogenous.RefertoNFPA90A,72,and101formoreinformation.
SeeFigure1Aand1B.
Exception:Where itisphysically impossible tolocatetheductdetectoraccordingly,
theductdetectorcan be positioned closer thansixductwidths,butasfaras
possiblefrominlets, bends,or deflectionplates .
*TheseproductsarecompatibleexclusivelywithfirealarmcontrolpanelsthatutilizeBOSCH'sprotocol,DCP.
TheseareInstallationInstructions(DWG.# HA-06-184) fortheAnalogDuctHousingcustomizedasfollows:
FAD-325 DuctHousingwiththeFAD-325-DHAnalogPhotoelectricSmokeSensor*
FAD-325-V2F Duct Housingwith theFAD-325-V2F-DHAnalogPhotoelectricSmokeSensor*
FAD-325-R Duct HousingwiththeFAD-325-DHAnalogPhotoelectricSmokeSensor&Relays*
FAD-325-V2F-R DuctHousingwiththe FAD-325-V2F-DHAnalogPhotoelectricSmokeSensor&Relays*
INSTALLATIONINSTRUCTIONSFORTHEDUCTSMOKEDETECTOR
A.DUCTPREPARATION
TheDuctDetectorsaredesignedforusein ductswheretheair velocitiesare from300to4000feetper
minute. Verify this bycheckingspecificationsofinstallationandifnecessary,useanAlnorModel
6000Pvelocitymeter(orequivalent)tochecktheairvelocity.SeeFigure2forsamplingtube
orientation toairflowdirection.
SET
SCREW CONNECTORS
FIGURE 1B:DUCT HOUSINGMOUNTING
TOPOF DUCTHOUSING
DUCT MOUNTING
SCREWS
FIGURE 2 SAMPLING TUBE ORIENTATION
INSERT STOPPERAT THISENDOF
INTAKETUBE
TOP OF DUCT HOUSING
EXHAUST
TUBE
AIRFLOW
INTAKE
TUBE
INTAKE
SAMPLING
TUBETOBE
SUPPORTED
WHERETHE
WIDTHOF
THEDUCTIS
GREATER
THAN 3FEET.
WIDTHOFDUCT
TOP OF DUCT HOUSING
EXHAUST
TUBE
INTAKE
TUBE
AIRFLOW
EXHAUST
TUBE
Bendor
Other
Obstruction
6Duct
Widths
Minimum
FIGURE1A
TEMPLATE
AIRFLOW
FORTHIS
ILLUSTRATION
INTAKE
SAMPLING
TUBE
STOPPER
1.Withpowersourcede-energizedandthesmokedetectornotinstalled,wire allconnectionsperengineeringdrawings.
Referto theapplicablefiguresbelowdependingonyourducthousingmodelnumber.
2.Withallwiringinplace,installthedetectorhead.
3.Energizetheductdetector.
Wiring must conformtoapplicable localcodes, ordinancesand regulations covering thesetypesofdevices. Wirethedetectorsaccordingtotheengineeringdrawingsforthe
particularjobrequirements. Thesedetectorsare notintendedforopenarea protection,norshouldtheybeusedfor openairprotection.Referto NFPA90AandNFPA72for
generalandadditionalinformationonDuctSmoke Detectorsconcerningoperationandinstallation. Terminalsaresuitableforupto#14gaugewire.
Toverifypropersamplingofair,usea DwyerModel4000 differentialpressuregauge(orequivalent).
SeeFigure3forgauge connections. Thepressuredifferentialbetweeninputsamplingtubeand
exhausttubeshouldbegreaterthan0.01"of waterandlessthan1.2"ofwater.
Moveducthousing/samplingtubeassemblytodesiredlocation. Use4 mountingscrews(4#12x1/2"sheet
metalscrews,packagedininstallationkit) tosecurethehousingtotheairduct.
1. Samplingtubeconnectorsareequippedwith setscrews,which allowthetubestobemounted
onlyindirectionsshown in Figure 2. Establish properorientationconsideringairflowdirection.
2. Insertintakeandexhausttubesintoconnectors,alignsetscrewtosetscrewholeintubesand
tightenfirmly.
1. Cuttheintakesamplingtube tothedesiredlength.
2. Firmlyinsertthestopper(packagedininstallationkit) intheendof theINTAKEsamplingtube.
INTAKESAMPLINGTUBESSTANDARDLENGTHS:
III.ELECTRICAL INSTALLATION
FIG. 3AIRSAMPLING
VERIFICATION
For duct widths of 1.0' to 2.5'
For duct widths of 2.5' to 5.0'
For duct widths of 5.0' to 10.0'
EXHAUSTTUBE
HOLE&
CONNECTOR
LOWPRESSURE
SIDE
FAA-325-2.5
FAA-325-5
FAA-325-10
DWYER#4000DIFFERENTIAL
PRESSURE GAUGE(OR
EQUIVALENT)WITH TUBING
AND SIZE0RUBBERSTOPPERS
(HA PART#0700-01118).
HIGHPRESSURE
SIDE
INTAKETUBE
HOLE&
CONNECTOR
Note: Allductdetectormodelscanbetestedwith actualsmoke. Removetheductdetector cover. Testthedetectorheadbylightingapieceofcotton
clothesline.andplacingitapproximately3 inchesfromthedetectorhead. Blowacrossthelitendoftheclothesline towardthedetector. TheLEDsonthe
detectorshouldilluminatewithinoneminute. Afterperformingthistest sequence,reinstalltheductdetectorcover.
Theseductsensors areanalogaddressableandcanbecalibratedbyaU.L.Listedanalogcontrolpanel. SeetheFACPInstallation
Instructions for specificdirections.
Models FAD-325/FAD-325-V2F/FAD-325-R andFAD-325-V2F-R
BOSCHSecuritySystems,Inc. * FAD-325Installation Instructions(HA-06-184.P/N1700-11140Page1of2) Specifications subject tochangewithoutnotice.*February2017
B. VERIFY AIR FLOW ANDDIRECTION
C. SAMPLINGTUBE ASSEMBLY (See Figure2)
D. MOUNTSAMPLING TUBES (SeeFigure2)
E.MOUNT THE DUCTHOUSING (See Figure 1B&2)
F. VERIFY AIR SAMPLING (See Figure3)
A. GENERAL INFORMATION
B. DETECTORWIRING
I.LOCATION REQUIREMENTS Toprevent falsealarmsthe
