The Notifier FAPT-851(A) Acclimate® Plus™ detector is an intelligent, addressable, multi-sensing, low-profile detector designed for use with Notifier Notifier Onyx and CLIP seriesFire Alarm Control Panels (FACPs).

• Automatically adjusts sensitivity levels without operator intervention or programming. Sensitivity increases with heat.
• Microprocessor-based, combination photo and thermal technology.
• Compatible with all Notifier Onyx and CLIP series Fire Alarm Control Panels (FACPs).
• Addressable-analog communication.
• Sleek, low-profile design.
•  Two-wire SLC connection.
•  Rotary, decimal addressing (1-99 on CLIP systems, 1-159 on FlashScan systems).
•  Addresses can be viewed and changed without electronic programmers.
•  Dual bi-color LED design provides 360° viewing angle.
•  LEDs lock red when in alarm. In FlashScan, LEDs flash green in standby for normal condition.
• Built-in tamper-resistant feature.
•  Constructed of off-white fire-resistant plastic, designed to commercial standards, and offers an attractive appearance.
• SEMS screws for wiring of the separate base.
• Several base options, including relay, isolator, and sounder.
•  Built-in functional test switch activated by external magnet.
•  Listed to UL 268.
•  Capable of heat-only alarm mode, enabled by a special command from the panel. Smoke alarms are ignored.
•  Low-temperature signal at 45°F +/– 10°F (7.22°C +/–5.54°C).

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FAPT-851 Low-Profile Intelligent Detector

• Sensitivity: auto-adjusting levels: 1 to 2%/ft. and 2 to 4%/ft. with classic CLIP systems; 1 to 2, 2 to 3, and 3 to 4%/ft. with systems; fixed-sensitivity levels: 1, 2, and 4%/ft. with classic CLIP systems; 0.5, 1, 2, 3, and 4%/ft. with FlashScan systems.
  Size: 2.0" (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.
  Shipping weight: 5.2 oz. (147 g).
• Operating temperature: 0°C to 38°C (32°F to 100°F).
• UL-Listed velocity range: 0 – 4000 ft./min. (1219.2 m/min.), suitable for installation in ducts.
• Relative humidity: 10% – 93% noncondensing.
• Thermal sensing rating: fixed-temperature setpoint 135°F (57°C).
  ELECTRICAL SPECIFICATIONS
• Voltage range: 15 – 32 volts DC peak.
• Standby current (max. avg.): 300 A.
• Loop resistance: 50 ohms maximum; varies according to control panel used. Refer to panel installation manuals.
• LED current (max.): 6.5 mA @ 24 VDC (“ON”).

• UL Listed: S1115.
• ULC Listed: S1115.
• MEA Listed: 225-02-E.
• FM Approved.
• CSFM: 7272-0028:0206.
• 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)).
• Maryland State Fire Marshal: Permit # 2122.