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INSTALLATION AND MAINTENANCE INSTRUCTIONS Intelligent Air Duct Detector Housing Temperature Range: Humidity Range: Air Velocity: inches inches inches lbs. to 120 (0 to 49 to 93% Relative Humidity 4000 ft./min. (91.4 1219.2 m/min. kg.) cm.) cm.) cm.) 3825 Ohio Avenue, St. Charles, Illinois 60174 FAX: 630-377-6495 Supply Electrical Ratings For DH500ACDC VAC (102 – 132) rms MAX. VAC (204 – 264) rms MAX. VAC (20.6 – 26.4) rms MAX. VDC (20 – 30) DC MAX. Device DH500ACDC PA400* RA400ZA* RTS451/RTS451KEY* RTS451**/RTS451KEY currents shown for the DH500ACDC are maximum values with no accessories. All accessory currents are additional to DH500ACDC. There are no additional currents for accessories in standby. RTS451/RTS451KEY when the magnet is held in place to initiate an alarm. output maximum load is 80 mA; auxiliary alarm output maximum load is 20 mA. Relay Contacts contact current must be greater than 500 mA at 24 VDC amps maximum at 30 VDC amps maximum at 250 VAC Installing thoroughly read the System Sensor Manual I56- Guide for Proper Use of Smoke Detectors in Duct which provides detailed information on spacing, placement, zoning, wiring, and special Copies of this manual are available at no from System Sensor. NFPA Standards 72 and 90A also be referenced for detailed information. This manual should be left with the owner/user this equipment. This detector must be tested and maintained following NFPA 72 requirements. The detector be cleaned at least once a year. Description HVAC system supplies conditioned air to virtually every of a building. Smoke introduced into this air duct sys- will be distributed to the entire building. Smoke detec- designed for use in air duct systems are used to sense presence of smoke in the duct. DH500ACDC Air Duct Detector Housings are used with Sensor Model 1551 ionization detector heads and 2551 photoelectronic detector heads (purchased sep- These two smoke detection methods are combined an efficient housing design that samples air passing a duct and allows detection of a developing hazard- condition. When sufficient smoke is sensed, an alarm is initiated at the fire control panel monitoring the and appropriate action can be taken to shut off and blowers, change over air handling systems, etc. can prevent the distribution of toxic smoke and fire throughout the areas served by the duct system. 1: SAMPLING TUBE SEPARATELY) HOLES DETECTOR Note 1 below for inlet tube and detector information. BOARD DETECTOR TUBE BASE SCREWS ADAPTER HEAD SEPARATELY) MAGNET TUBE DH500ACDCs are built to operate on 120/240 VAC or VAC/DC. Two form-C (SPDT) relay contacts are avail- for control purposes. Two LEDs on each detector latch to provide a local alarm indication. Remote alarm indi- is made possible by using the auxiliary alarm output Figure 5). The duct detector can be tested and alarm be reset by using the correct respective code commands the panel. See panel instructions for details. Of The Duct Detector Housing Kit DH500ACDC Air Duct Detector Housings consist of the items: (See Figure 1.) Complete housing base and cover assembly. Two #10 sheet metal mounting screws. Two sampling tube filters. One test magnet. Drilling template. Two 5/16-inch O-rings. Two foam gaskets. Four #6 self-tapping mounting screws for the sampling
INSTALLATION AND MAINTENANCE INSTRUCTIONS Intelligent Air Duct Detector Housing Temperature Range: Humidity Range: Air Velocity: inches inches inches lbs. to 120 (0 to 49 to 93% Relative Humidity 4000 ft./min. (91.4 1219.2 m/min. kg.) cm.) cm.) cm.) 3825 Ohio Avenue, St. Charles, Illinois 60174 FAX: 630-377-6495 Supply Electrical Ratings For DH500ACDC VAC (102 – 132) rms MAX. VAC (204 – 264) rms MAX. VAC (20.6 – 26.4) rms MAX. VDC (20 – 30) DC MAX. Device DH500ACDC PA400* RA400ZA* RTS451/RTS451KEY* RTS451**/RTS451KEY currents shown for the DH500ACDC are maximum values with no accessories. All accessory currents are additional to DH500ACDC. There are no additional currents for accessories in standby. RTS451/RTS451KEY when the magnet is held in place to initiate an alarm. output maximum load is 80 mA; auxiliary alarm output maximum load is 20 mA. Relay Contacts contact current must be greater than 500 mA at 24 VDC amps maximum at 30 VDC amps maximum at 250 VAC Installing thoroughly read the System Sensor Manual I56- Guide for Proper Use of Smoke Detectors in Duct which provides detailed information on spacing, placement, zoning, wiring, and special Copies of this manual are available at no from System Sensor. NFPA Standards 72 and 90A also be referenced for detailed information. This manual should be left with the owner/user this equipment. This detector must be tested and maintained following NFPA 72 requirements. The detector be cleaned at least once a year. Description HVAC system supplies conditioned air to virtually every of a building. Smoke introduced into this air duct sys- will be distributed to the entire building. Smoke detec- designed for use in air duct systems are used to sense presence of smoke in the duct. DH500ACDC Air Duct Detector Housings are used with Sensor Model 1551 ionization detector heads and 2551 photoelectronic detector heads (purchased sep- These two smoke detection methods are combined an efficient housing design that samples air passing a duct and allows detection of a developing hazard- condition. When sufficient smoke is sensed, an alarm is initiated at the fire control panel monitoring the and appropriate action can be taken to shut off and blowers, change over air handling systems, etc. can prevent the distribution of toxic smoke and fire throughout the areas served by the duct system. 1: SAMPLING TUBE SEPARATELY) HOLES DETECTOR Note 1 below for inlet tube and detector information. BOARD DETECTOR TUBE BASE SCREWS ADAPTER HEAD SEPARATELY) MAGNET TUBE DH500ACDCs are built to operate on 120/240 VAC or VAC/DC. Two form-C (SPDT) relay contacts are avail- for control purposes. Two LEDs on each detector latch to provide a local alarm indication. Remote alarm indi- is made possible by using the auxiliary alarm output Figure 5). The duct detector can be tested and alarm be reset by using the correct respective code commands the panel. See panel instructions for details. Of The Duct Detector Housing Kit DH500ACDC Air Duct Detector Housings consist of the items: (See Figure 1.) Complete housing base and cover assembly. Two #10 sheet metal mounting screws. Two sampling tube filters. One test magnet. Drilling template. Two 5/16-inch O-rings. Two foam gaskets. Four #6 self-tapping mounting screws for the sampling