Architectural/Engineering Specifications

TheairductsmokedetectorshallbeaSystemSensorModelDH100LPSeriesDuctSmokeDetector.Thedetectorhousingshall

beULlistedperUL268Aspecificallyforuseinairhandlingsystems.Thedetectorshalloperateatairvelocitiesof100feetper

minuteto4000feetperminute(0.5to20.32m/sec.).Itshallbecapableoflocaltestingviamagneticswitchorremotetesting

usingtheRTS451KEYRemoteTestStation.TheunitshallberesetbylocalresetbuttonorRTS451KEY.Theductdetectorhousing

shallincorporateanairtightsmokechamberincompliancewithUL268A,StandardforSmokeDetectorsforDuctApplications.The

housingshallbecapableofmountingtoeitherrectangularorroundductswithoutadapterbrackets.Anintegralfiltersystemshall

beincludedtoreducedustandresidueeffectsondetectorandhousing,therebyreducingmaintenanceandservicing.Sampling

tubesshalleitherbeplasticorbeeasilyinstalledafterthehousingismountedtotheductbypassingthroughtheducthousing.

TheenclosureshallmeetallapplicableNECandNFPAstandardsregardingelectricaljunctionboxes.Terminalconnectionsshall

beofthestripandclampmethodsuitablefor12–18AWGwiring.

Size

ShippingWeight

OperatingTemperatureRange

32°to131°F(0°to55°C)

StorageTemperatureRange

–22°to158°F(–30°to70°C)

OperatingHumidityRange

10%to93%relativehumidity

AirDuctVelocity

100to4000ft./min.

(0.5to20.32m/sec.)

Standard Specifications

Electrical Ratings

SystemVoltage

12/24VDC

RippleVoltage

4Voltspeaktopeak

Start-upCapacitance

0.02µFmaximum

StandbyRatings

8.5VDCminimum

35VDCmaximum

120µAmaximum

AlarmRatings

4.2VDCminimumat10mA

6.6VDCmaximumat100mA

Alarmcurrentmustbelimitedto

100mAorlessbythecontrolpanel.

Ifused,theRA400Zremotelamp

operateswithinthespecifiedalarm

currents.

ResetVoltage:

2.50VDCminimum

ResetTime:

0.3Sec.maximum

Start-upTime

34.0Sec.maximum