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H V A C S Y S T E M S M O N I T O R I N G Smoke for Special with B404B/B404BT RTC Remote Test Kit 268A RTC Overview standby current LEDs in standby head plugs easily into base adjustable sensitivity test switch with B404BT and RTC the RTS451) sensitivity metering of detector to meet requirements of NFPA 72 and 24VAC/DC bases with built-in spring tamper-resistant feature for mounting on standard electrical box screws for easy wiring and positive wire cover and insect screen for field System Sensor 2451 photoelectronic smoke detector is UL listed UL 268A specifically for use in no-flow/low-flow air-handling sys- It designed for installations where a standard Venturi principle smoke detector is unsuitable. This is the perfect combination for in ducts where the air velocity is below 500 fpm or for duct as small as 8 inches in diameter. Pendant mounted in a standard box within the duct, the twist-in/twist-out head allows easy from the base for quick cleaning and maintenance. The detec- can be combined with the System Sensor B404B 120VAC base or B404BT 24VAC/DC base. Remote testing is accomplished using our Test Coil accessory that includes the RTS451. The APA451, Annunciator with Piezo Alarm, can also be connected to pro- an audible and visible indication of smoke detector status. Voltage/ Alarm current base dependent (see chart) current mA maximum .7% / ft. ib. (277 g) cm height cm diameter retardant Noryl plastic Temperature to 120 (0 to 49 Range to 93% RH non-condensing Velocity Rating to 3000 fpm maximum Specifications air duct detector shall be a System Sensor model 2451 Series Smoke detector UL listed to UL 268A specifically for use in handling systems when used in conjunction with the B404B (120VAC) or the B404BT (24VAC/DC) base. The detector shall at air velocities up to 3000 feet per minute. It shall be capable of local testing via magnetic switch or remote testing the UL listed RTC Remote Test Coil accessory with the RTS451 Remote Test Station. It shall be capable of providing smoke detector status via the UL listed model APA451 Piezo Annunciator. Chart Box Selection Type Contact Type Voltage Limit A&C + A supy. A&C + A supy. rms Current Model Gang Oct. Oct. Sq. 60mm 75mm Guide Typical Wiring Diagrams: VAC LEADS VAC INITIATION LOOP PANEL Base Terminals Annunciator (+) Used Used Used Annunciator (-) Relay A Contacts Relay A Contacts Relay C Contacts LEADS VAC PANEL INITIATION LOOP Typical Wiring Diagrams: VACrms/DC INITIATION LOOP VACrms/DC
H V A C S Y S T E M S M O N I T O R I N G Smoke for Special with B404B/B404BT RTC Remote Test Kit 268A RTC Overview standby current LEDs in standby head plugs easily into base adjustable sensitivity test switch with B404BT and RTC the RTS451) sensitivity metering of detector to meet requirements of NFPA 72 and 24VAC/DC bases with built-in spring tamper-resistant feature for mounting on standard electrical box screws for easy wiring and positive wire cover and insect screen for field System Sensor 2451 photoelectronic smoke detector is UL listed UL 268A specifically for use in no-flow/low-flow air-handling sys- It designed for installations where a standard Venturi principle smoke detector is unsuitable. This is the perfect combination for in ducts where the air velocity is below 500 fpm or for duct as small as 8 inches in diameter. Pendant mounted in a standard box within the duct, the twist-in/twist-out head allows easy from the base for quick cleaning and maintenance. The detec- can be combined with the System Sensor B404B 120VAC base or B404BT 24VAC/DC base. Remote testing is accomplished using our Test Coil accessory that includes the RTS451. The APA451, Annunciator with Piezo Alarm, can also be connected to pro- an audible and visible indication of smoke detector status. Voltage/ Alarm current base dependent (see chart) current mA maximum .7% / ft. ib. (277 g) cm height cm diameter retardant Noryl plastic Temperature to 120 (0 to 49 Range to 93% RH non-condensing Velocity Rating to 3000 fpm maximum Specifications air duct detector shall be a System Sensor model 2451 Series Smoke detector UL listed to UL 268A specifically for use in handling systems when used in conjunction with the B404B (120VAC) or the B404BT (24VAC/DC) base. The detector shall at air velocities up to 3000 feet per minute. It shall be capable of local testing via magnetic switch or remote testing the UL listed RTC Remote Test Coil accessory with the RTS451 Remote Test Station. It shall be capable of providing smoke detector status via the UL listed model APA451 Piezo Annunciator. Chart Box Selection Type Contact Type Voltage Limit A&C + A supy. A&C + A supy. rms Current Model Gang Oct. Oct. Sq. 60mm 75mm Guide Typical Wiring Diagrams: VAC LEADS VAC INITIATION LOOP PANEL Base Terminals Annunciator (+) Used Used Used Annunciator (-) Relay A Contacts Relay A Contacts Relay C Contacts LEADS VAC PANEL INITIATION LOOP Typical Wiring Diagrams: VACrms/DC INITIATION LOOP VACrms/DC