Description
Specifications
| Notifier® by Honeywell | Fixed Temperature Thermal (Heat) Detectors | |||||||
| Product Type | FST-851 | |||||||
| Operating Temperature | –4°F to 100°F (–20°C to 38°C) | |||||||
| Rotary address switches | ||||||||
| Dual LEDs for 360° visibility | ||||||||
| Size | 2.1″ (5.3 cm) high; base determines diameter | |||||||
| – B210LP(A): 6.1″ (15.5 cm) diameter | ||||||||
| – B501(A): 4.1″ (10.4 cm) diameter | ||||||||
| – B200S(A): 6.875″ (17.46 cm) diameter | ||||||||
| – B200SR(A): 6.875″ (17.46 cm) diameter | ||||||||
| – B224RB(A): 6.2″ (15.748 cm) diameter | ||||||||
| – B224BI(A): 6.2″ (15.748 cm) diameter | ||||||||
| Detector spacing | UL approved for 50 ft. (15.24 m) center to center | |||||||
| FM approved for 25 x 25 ft. (7.62 x 7.62 m) spacing. | ||||||||
| Relative humidity | 10% – 93% noncondensing. | |||||||
| Thermal ratings | Fixed-Temperature Setpoint 135°F (57°C), | |||||||
| Rate Of Rise Detection 15°F (8.3°C) Per minute, | ||||||||
| High Temperature Heat 190°F (88°C). | ||||||||
| Electrical Specifications | ||||||||
| Voltage range | 15 – 32 volts DC peak | |||||||
| Standby current (max. avg.) | 300 A @ 24 VDC (one communication every 5 seconds with LED enabled). | |||||||
| LED current (max.) | 6.5 mA @ 24 VDC (“ON”) | |||||||
Specifications subject to change without notice.
Features :
• Sleek, low-profile, stylish design
• State-of-the-art thermistor technology for fast response
• Rate-of-rise model (FST-851R/A), 15°F (8.3°C) per minute
• Factory preset fixed temperature at 135°F (57°C); high-temperature model fixed at 190°F (88°C)
• Addressable by device
• Compatible with FlashScan® and CLIP protocol system
• Rotary, decimal addressing (1-99 on CLIP systems, 1-159 on FlashScan systems)
• Two-wire SLC connection
• Visible LEDs “blink” every time the unit is addressed
• 360°-field viewing angle of the visual alarm indicators (two bi-color LEDs). LEDs blink green in Normal condition and turn on steady red in Alarm
• Integral communications and built-in device-type identification
• Remote test feature from the panel
• Built-in functional test switch activated by external magnet
• Walk test with address display (an address of 121 will blink the detector LED 12-(pause)-1)
• Low standby current
• Backward-compatible
• Built-in tamper-resistant feature
• Designed for direct-surface or electrical-box mounting
• Sealed against back pressure
• Plugs into separate base for ease of installation and maintenance. Separate base allows interchange of photoelectric, ionization and thermal sensors
• SEMS screws for wiring of the separate base
• Constructed of off-white fire-resistant plastic, designed to commercial standards, and offers an attractive appearance
• 94-5V plastic flammability rating
• Remote LED output connection to optional RA100Z(A) remote LED annunciator
• Optional sounder, relay, and isolator bases
• Optional flanced surface mounting kit
Agency Listings and Approvals :
• UL Listed: S747
• ULC Listed: S6978
• MEA Listed: 383-02-E
• FM Approved
• CSFM: 7270-0028:0196
• BSMI: CI313066760025
• CCCF: Certif. # 2004081801000018
• U.S. Coast Guard: 161.002/42/1 (NFS-640); 161.002/50/0 (NFS2-640/NFS-320/NFS-320C, excluding B210LP(A)).
• Lloyd’s Register: 11/600013 (NFS2-640/NFS-320/NFS-320C, excluding B210LP(A))



