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BD-SS and BDT-SS
Description
Features
* Transmitter/receiver built into same unit. * Six user-selectable sensitivity levels. * 16' to 328' (use BEAMLRK beyond 230') protection range. * Removable plug-in terminal blocks. * Digital display -- no special tools required. * Built-in automatic gain control compensates for signal deterioration from dust buildup. * Optional remote test station. * Optional long-range kit (BEAMLRK) for applications in excess of 230' (70 m). * Optional multi-mount kit (BEAMMMK) providing ceiling or wall mount capability with increased angular adjustment. * Optional heater kits (BEAMHK and BEAMHKR) for prevention of condensation (not intended to increase or reduce the specified operating temperature).ing service.
Single-Ended, Reflected-Type, Addressable Beam Smoke Detector with SmartScanTM
The Gamewell BD-SS and BDT-SS are intelligent, addressable projected beam smoke detectors with SmartScanTM protocol. They are uniquely suited for protecting open areas with high and sloping ceilings, and wide-open areas, where spotBD-SS with reflective plate (top); type smoke detectors are difficult to and with BEAMMMK install and maintain. Ideal applications are atriums, cathedral ceilings, aircraft hangers, warehouses, sporting arenas, concert halls, and enclosed parking facilities. Installation of the single-ended reflective design is much quicker than a dualended projected beam detector. Alignment is easily accomplished with an optical sight and a two-digit signal strength meter incorporated into the beam detector. Listed for operation from -22F to 131F, the BD-SS and BDT-SS are usable in open area applications where temperature extremes exceed the design limits of other types of smoke detection. The BD-SS and BDT-SS are a transmitter/receiver unit and a reflector. When smoke enters the area between the unit and the reflector it causes a reduction in the signal strength. When the smoke level (signal strength) reaches the predetermined threshold, an alarm is activated. The detectors have four standard sensitivity selections as well as two AcclimateTM settings. When either AcclimateTM setting is selected, the detector's advanced software algorithms automatically adjust to the optimum sensitivity for the specific environment. The protection range is 16 to 328 feet and there are built-in isolators for Style 7 operation. The BDT-SS has an integral sensitivity test feature of a filter attached to a servomotor inside the detector optics. Activation of the RTS451 remote test station moves the filter into the pathway of the light beam, testing the detector's sensitivity. This sensitivity test feature allows the user to quickly and easily meet the annual maintenance and test requirements of NFPA 72, without physical access to the detector.
Listings
Listings and approvals below apply to the basic BD-SS and BDT-SS beam smoke detectors. In some cases, certain modules may not be listed by certain approval agencies, or listing may be in process. Consult factory for latest listing status. * UL Listed: file S1195. * FM approved. * MEA approved: file 269-04-E. * CSFM approved: file 7260-1288:171.
Sensitivity Selection
The detector has six sensitivity selections. Each of these selections is only acceptable over a specific distance separation between the detector and the reflector per UL 268. The chart below determines which selections are acceptable for your installed distance. The sensitivity of the detector can be set only when the housing is removed and the detector is not in the fine adjustment step of the alignment mode, indicated by the illumination of the dual digital display. To set the sensitivity, depress the sensitivity button one time. See Switch Locations diagram. Once the switch is pressed, the
BD-SS and BDT-SS CS-2516 09/01/06 Page 1 of 4
Specifications
digital display will illuminate and read the current sensitivity setting in percent obscuration. To change the sensitivity, continue to depress the sensitivity switch until the desired setting is achieved. The digital display will turn off automatically if no further switch presses occur.
Acceptable DISTANCE Display between Reading detector and reflector (ft)
25 30 40 50 A1 A2 16.4 to 120 25 to 150 60 to 220 80 to 328 80 to 150 80 to 220
Operational Specifications
Protection range 16 to 230 feet (5 to 70 m), 230 to 328 feet (70 to 100 m) using optional BEAMLRK kit. Adjustment angle 10 horizontal and vertical. Note that the optics move independently of the unit. Sensitivity (6 levels)
Sensitivity Setting
Level 1 Level 2 Level 3 Level 4 AcclimateTM Level 1 AcclimateTM Level 2
Percent Obscuration
25% 30% 40% 50% 30% to 50% 40% to 50%
Acceptable DISTANCE between detector and reflector (m)
5.0 to 36.6 7.6 to 45.7 18.3 to 67
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24.4 to 100 24.4 to 45.7 24.4 to 67
* Level 1 -- 25%. * Level 2 -- 30%. * Level 3 -- 40%. * Level 4 -- 50%. * AcclimateTM Level 5 -- 30% to 50%. * AcclimateTM Level 6 -- 40% to 50%. Fault condition (trouble) * 96% or more obscuration blockage. * In alignment mode. * Improper initial alignment. * Self-compensation limit reached. Alignment aid * Optical gunsight. * Integral signal strength indication. * Two-digit display. Indicators * Alarm -- local red LED and remote alarm. * Trouble -- local yellow LED and remote trouble.
In addition to the four standard sensitivity selections, the detector has two AcclimateTM settings. When either AcclimateTM setting is chosen, the detector will automatically adjust its sensitivity using advanced software algorithms to select the optimum sensitivity for the environment. The sensitivity will be continuously adjusted within the ranges specified in the chart above. Total obscuration can be converted to percent per foot, assuming uniform smoke density for the entire length of the beam. The chart below converts total obscuration percent per foot for all acceptable sensitivity settings.
Reflector Mounting Guidelines
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* Normal -- local flashing green LED. Test/reset features * Integral sensitivity test filter (BDT-SS only, requires external power supply). * Sensitivity filter (incremental scale on reflector). * Local alarm test switch. * Local alarm reset switch. * Remote test and reset switch (compatible with RTS451 and RTS451KEY test stations). Smoke detector spacing On smooth ceilings, 30 - 60 feet (9.1 to 18.3 m) between projected beams and not more than one-half that spacing between a projected beam and a sidewall. Other spacing may be used depending on ceiling height, airflow characteristics, and response requirements. See NFPA 72.
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BD-SS and BDT-SS
CS-2516
09/01/06
Wiring Diagram
Specifications
Environmental Specifications
Temperature -22F to 131F (-30C to 55C). Humidity 10 - 93% RH noncondensing.
Electrical Specifications
Voltage 15 to 32 VDC. Average standby current 24 VDC: 2 mA maximum (LED flashing, SLC @ 24 V). LED current 6.5 mA maximum. Remote annunciator current 11.2 mA maximum. Average current during testing 500 mA maximum. Alarm current 24 VDC; 8.5 mA maximum (LED on). Trouble/fault current 24 VDC; 4.5 mA maximum (LED on). Fault condition current Add to standby current; 100 mA maximum. Alignment mode current 24 VDC; 20 mA maximum. External supply (BDT-SS only) Voltage: 15 to 32 VDC. Current: 0.5 A maximum. Remote output (alarm) Voltage: 15 to 32 VDC. NOTE: Output voltage is the same as device input voltage. Current: 15 mA maximum, 6 mA minimum. NOTE: Output current is limited by 2.2K ohm resistor. Heater kit BEAMHK Voltage: 15 to 32 V. Current: 92 mA maximum @ 32 V (heater only). Power consumption: nominal 1.6 W @ 24 V; maximum 3.0 W @ 32 V. Heater kit BEAMHKR Voltage: 15 to 32 V. Current: 450 mA maximum @ 32 V (per reflector). Power consumption (per reflector): nominal 7.7 W @ 24 V; maximum 15.0 W @ 32 V.
Switch Locations
Wiring Diagram (with RTS451/KEY)
BD-SS / BDT-SS
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Mechanical Specifications
Detector dimensions 10.0" H x 7.5" W x 3.3" D (254 mm H x 191 mm W x 84 mm D). Reflector dimensions For 16' to 230' (5 to 70 m) applications: 7.9" x 9.1" (200 x 230 mm). For applications beyond 230'/70 m: 15.7" x 18.1" (400 x 460 mm).
BD-SS and BDT-SS
CS-2516
09/01/06
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Alignment Adjustment Locations
Housing Screw Locations
Parts List
Item Quantity Transmitter/receiver unit ....... 1 Paintable trim ring ................. 1 Reflector ................................... 1 Plug-in terminal blocks ........... 3 Isolator shunts ......................... 2 Instruction manual .................. 1 Orange sticky paper ................ 1
Ordering Information
BD-SS BD-SSA BDT-SS BDT-SSA BEAMLRK BEAMMMK BEAMSMK RTS451 RTS451KEY BEAMHK BEAMHRK
Intelligent beam smoke detector Same as BD-SS with ULC Listing. Intelligent beam smoke detector with integral sensitivity test. Same as BDT-SS with ULC Listing. Long range accessory kit (required for applications in excess of 230 ft/70 m). Multi-mount kit (provides ceiling or wall mount capability with increased angular adjustment). Surface-mount kit. Remote test station. Remote test station with key lock. Heating kit for use with the transmitter/receiver unit of BDT-SS. For prevention of condensation. Heating kit for use with the reflector of BDT-SS. For prevention of condensation.
Gamewell-FCI 12 Clintonville Road Northford, CT 06472-1610 Phone: 203-484-7161 Fax: 203-484-7118 www.gamewell-fci.com A Honeywell Company (c) 2006 Gamewell-FCI
AcclimateTM is a trademark of System Sensor, a Honeywell company. SmartScanTM is a trademark of Gamewell.
Specifications and wiring information are provided for information only and are believed to be accurate. Gamewell-FCI assumes no responsibility for their use. Data and design are subject to change without notice. Installation and wiring instructions shipped with the product shall always be used for actual installation. For more information, contact Gamewell-FCI.
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