System Sensor DH400I -P

400 Series Duct Detector Division of Pittway Ohio Avenue St Charles IL 60174 736 7672 Fax 630 377 6495 Available Ionization Duct Smoke Detector Ionization ULC Listed Photoelectronic Duct Smoke Detector 12 24 VDC operation Accommodates ion or photo heads Simple change out of detector heads Air velocity rating from 500 to 4000 FPM Powered output for remote LED Remote test station option Easy and quick mounting to round or rectangular ducts 1 12 wide Clear cover for convenient visual inspection UL 268A listed 3 year warranty Sensor DH400 2 wire duct housing will either the 1451DH ionization sensor or the photoelectronic sensor The twist in twist out heads allow easy removal for quick cleaning and or a change in application without removing Weight Range inches 37 cm inches 13 cm inches 10 cm lbs 1.8 kg to 120 cid 176 F 0 cid 176 to 49 cid 176 C duct housing The DH400 samples air currents passing a duct and gives dependable performance for of fans blowers and air conditioning preventing the spread of toxic smoke and fire through the protected area Duct smoke detectors have specific limitations DETECTORS ARE a substitute for an open area smoke detector a substitute for early warning detection and a replacement for a building regular fire system to NFPA 72 and 90A for additional duct detector information Range Duct Velocity to 93 relative humidity to 4000 ft min System Sensor 3 96 document is not intended to be used for installation purposes Specifications air duct smoke detector shall be a System Sensor DH400 Series Duct Smoke Detector The detector shall be UL listed per UL 268A specifically for use air handling systems The detector shall operate at air of 500 feet per minute to 4000 feet per minute detector housing shall be equipped with an integral base capable of accommodating either or ionization detector heads It shall be of local testing via magnetic switch or remote using the RTS451KEY Remote Test Station NOTE DH400 cannot be reset by the RTS451KEY detector be reset at control panel The duct detector housing incorporate an airtight smoke chamber in compliance UL 268A Standard for Smoke Detectors for Duct The housing shall be capable of mounting to rectangular or round ducts without adapter An integral filter system shall be included to dust and residue effects on detector and housing reducing maintenance and servicing Sampling shall be easily installed after the housing is mounted the duct by passing through the duct housing Terminal shall be of the strip and clamp method for 14 AWG wiring SAMPLING TUBE SEPARATELY HOLES DETECTOR BOARD DETECTOR TUBE BASE SCREWS ADAPTER View of Duct Smoke Components HEAD SEPARATELY MAGNET TUBE Ratings DH400 Includes Detector Voltage Ripple Voltage 4 volts peak to peak Capacitance Ratings VDC m F maximum VDC minimum VDC maximum m A maximum VDC minimum at 10 mA VDC maximum at 100 mA current must be limited to 100 mA or less by the control panel used the RA400Z remote annunciator operates within the specified alarm currents VDC minimum seconds maximum seconds maximum Ratings Voltage Time Time 2 Wiring Guide LISTED 2 WIRE PANEL DETECTOR LOOP DH400 IN OUT DETECTOR LOOP DH400 IN OUT RESISTOR BY MANUFACTURER OPTIONAL ALARM LED mA MAX VDC NOM ALARM OPTIONAL ALARM LED mA MAX VDC NOM ALARM IN OUT IN OUT D OPTIONAL WIRING Do not loop wire under terminals when wiring detectors wire runs to provide system supervision of connections Wiring Diagram DH400 2 Wire Duct Detectors RED VDC ALARM OPTIONAL TEST STATION DETECTOR 1 AUX POWER LOCATED AT DUCT DETECTOR VDC POWER USER VAC 10 WAVE RECTIFIED POWER BE USED VDC ALARM RED VDC POWER USER VAC 10 WAVE RECTIFIED POWER BE USED Diagram for Remote Test to DH400 2 wire Smoke Detectors OPTIONAL TEST STATION DETECTOR 2 AUX POWER LOCATED AT TEST STATION 3 ionization duct detector as above Canadian model photoelectronic duct detector ionization sensor head photoelectronic sensor head Information No sampling tube duct widths 1 sampling tube duct widths 2 sampling tube duct widths 4 sampling tube duct widths 8 test station with key lock see below test station test module annunciator alarm LED see below cover removal tool air filters two per package magnet cap for metal sampling tubes replacement screen replacement screen test card for photo units only installation kit mounting Remote Alarm LED Test Station Sensor Worldwide Distribution India Canada Sensor India Sensor Canada Maheshwari Nagar Kitimat Road Unit 7 Mills Lane Ontario East Mumbai 400093 L5N 3T5 91 022 8202564 905 812 0767 905 812 0771 the United Kingdom Sensor Europe Ltd Gates III North St West Sussex 5PJ United Kingdom 44 1403 276500 44 1403 276501 4 the Far East Sensor Far East Ltd 706 New T T Centre Canton Road Kowloon Hong Kong 852 2730 9090 852 2736 6580