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400 SeriesTM High-Temperature Duct Smoke Detector
Models Available DH400ACDCIHT 4-wireionizationhigh-temperatureduct smokedetector
Product Overview
System Sensor DH400ACDCIHT is designed for interior or exterior duct applications where extreme temperatures can exceed standard detector capabilities. (For exterior applications use DH400 OE-1 outdoor enclosure.) The DH400ACDCIHT samples air currents passing through a
Temperature range 32 - 158F (0 - 70C) Air velocity rating from 500 - 4,000 FPM 24 VAC/DC or 120/220 VAC operation Easy and quick mounting to round or rectangular ducts from 1 - 12 (0.3 - 3.7 meters) wide 3-year warranty
duct to provide dependable performance for management of fans, blowers, and air conditioning systems. The twist-in, twist-out 1451DHHT High-Temperature ionization detector head allows easy removal for quick cleaning, maintenance, and replacement without removing the duct housing.
Agency Listings DH400ACDCIHT APA451 RTS451KEY RTS451 RA400Z PA400W ULS911 ULS4011 ULS2522 ULS2522 ULS2522 ULS3593
Accessories
System Sensor provides system flexibility with a variety of accessories, including two remote test stations, and several different means of visible and audible system annunciation.
As with our duct detectors, all duct detector accessories are UL listed.
ALARM
ALARM
POWER
RESET
ON
TEST
F I R E
PA400W with PS24LOW Add-on Strobe
ALARM
RESET
APA451 Piezo Annunciator
RTS451KEY Remote Test Station with Key
RTS451 Remote Test Station
RA400Z Remote Annunciator
Architect/Engineer Specifications
The air duct smoke detector shall be a System Sensor Model DH400ACDCIHT Series Duct Smoke Detector. The detector shall be UL listed per UL S911, standard for Smoke Detectors for Duct Applications, specifically for use in air handling systems. The detector shall operate at air velocities from 500 feet per minute to 4000 feet per minute. The detector shall have an operating temperature range of 32F to 158F. The detector housing shall be equipped with an integral mounting base capable of accommodating ionization detector heads. It shall be capable of local testing via magnetic switch or remote testElectrical Specifications
PowerSupplyVoltage 20-29VDC
ing using the RTS451KEY or RTS451 Remote Test Station. The duct detector housing shall incorporate an airtight smoke chamber in compliance with UL S911. The housing shall be capable of mounting to rectangular or round ducts up to 12 wide without adapter brackets. An integral filter system shall be included to reduce dust and residue effects on detector and housing, thereby reducing maintenance and servicing. Sampling tubes shall be installed after the housing is mounted to the duct by passing through the duct housing. Terminal connections shall be of the strip and clamp method suitable for 14-18 AWG wiring.
24VAC50-60Hz
120VAC50-60Hz
220/240VAC50-60Hz
CURRENTREQUIREMENTS(USINGNOACCESSORIES) Max.standbycurrent Max.alarmcurrent CONTACTRATINGS Alarminitiationcontacts(SPST) Alarmauxiliar ycontacts(DPDT) Troublecontacts(SPST) 2.0A@30VAC/DC(0.6powerfactor) 10A@30VDC 10A@250VAC 0.3@32VDC(resistive) Device AP451 25mA 95mA 35mARMS 55mARMS 20mARMS 55mARMS 20mARMS 30mARMS
Accessory Current Loads at 24 VDC Standby 12mAmax. 0mAmax. 0mAmax. 0mAmax.* 12mAmax.* Alarm 30mAmax. 15mAmax. 7mAmax. 8mAmax. 8mAmax.
PA400W RA400Z RTS451
*NOTE:Wheninitiatinganalarm,theRTS451andRTS451KEYrequire103mAinalarm.Nominalstandby currentis0mA.Alarmcurrentis8mAmaximumwhentestmagnetisremoved. NOTE:Accessoriesareonlyratedto120Fandmustbeinstalledindoors.
RTS451KEY
ANYCOMBINATIONOFACCESSORIESMAYBEUSEDSUCHTHATTHE GIVENCURRENTLOADSTOTAL: 100mAORLESSINTHESTANDBYSTATE, 150mAORLESSINTHEALARMSTATE.
Physical Specifications
Length: 14.5inches(36.8cm) Width: 5inches(12.7cm) Depth: 4inches(10.2cm) Weight: 4.5lbs.(2.0kg) OperatingTemperatureRange: 32to158F(0to70C) StorageTemperatureRange: -22to158F(-30to70C)
AirDuctVelocity: 500to4000ft./min. OperatingHumidityRange: 10%to93%relativehumidity Voltage: 24VAC/VDCor120/220VAC
Ordering Information
Model 1451DHHT ST-1.5 ST-3 ST-5 ST-10 P48-21-00 APA451 DH400OE-1 Description RTS451KEY RTS451 PA400W PS24LOW RA400Z CRT400 F36-05-00 MOD400R M02-04-00 RS14 A2650-01 Remoteteststationwithkey Remoteteststation Piezosounder(white) Add-onstrobe(white) RemoteannunciatoralarmLED Ioncoverremovaltool Replacementairfilters(twoperpackage) Sensitivitytestmodule Testmagnet Ionreplacementscreen Replacementinstallationkit(mountinghardware) smokedetector sensorhead Metalsamplingtubeductwidths1-2 Metalsamplingtubeductwidths2-4 Metalsamplingtubeductwidths4-8 Metalsamplingtubeductwidths8-12 Endcapformetalsamplingtubes AnnunciatorwithpiezoalarmandpowerLEDs WeatherproofOutdoorEnclosure DH400ACDCIHT 4-wireionizationhigh-temperatureduct Replacementionizationhigh-temperature
System Sensor Sales and Service
System Sensor Headquarters 3825OhioAvenue St.Charles,IL60174 Ph:800/SENSOR2 Fx:630/377-6495 www.systemsensor.com System Sensor Canada Ph:905.812.0767 Fx:905.812.0771 System Sensor Europe Ph:44.1403.891920 Fx:44.1403.891921 System Sensor in China Ph:86.29.8832.0119 Fx:86.29.8832.5110 System Sensor in Singapore Ph:65.6273.2230 Fx:65.6273.2610 System Sensor - Far East Ph:85.22.191.9003 Fx:85.22.736.6580 System Sensor - Australia Ph:613.54.281.142 Fx:613.54.281.172 System Sensor - India Ph:91.124.637.1770x.2700 Fx:91.124.637.3118 System Sensor - Russia Ph:70.95.937.7982 Fx:70.95.937.7983
(c) 2003SystemSensor.Thecompanyreservestherighttochangeproductspecificationswithoutnotice.
A05-0953-002*10/03*#1169

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