Siemens HI722 Heat Detector (static)

Siemens HI722 Heat Detector (static)

SKU: SIEMENS-0008
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AED 210.00

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The Siemens HI722 is an addressable C-NET static heat detector designed for fixed-temperature thermal detection, featuring selectable parameter sets, integrated short-circuit isolation, and auto-addressing.

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Description

The Siemens HI722 (MPN: S54310-F3-A1) is an open-area addressable thermal heat detector engineered for commercial, industrial, and institutional fire protection systems within the Siemens Cerberus PRO family. Built with internal dual thermistors and microprocessor evaluation, the detector monitors static thermal limits to ensure fast, reliable fire response in environments where dust, steam, smoke, or rapid ambient temperature fluctuations would trigger false alarms on other detectors. It operates over a 12V to 33V DC supply range via the Siemens C-NET protocol (compatible with FC720 series control panels). The unit features selectable static parameter sets (Class A2S and Class CS high-temperature static modes), an integral bi-directional loop short-circuit isolator, 360-degree LED status indication, and automatic soft-addressing during commissioning.

Features

  • Static Fixed Temperature Detection: Operates on fixed thermal threshold monitoring (Parameter Set A2S), making it ideal for spaces subject to rapid ambient temperature spikes where rate-of-rise detectors cause false alarms.
  • Built-in Line Isolator: Features an integrated EN 54-17 short-circuit isolator to protect C-NET loop communication integrity during wiring short circuits.
  • Automatic Address Assignment: Automatically assigned a distinct system address during commissioning over the C-NET bus, eliminating manual addressing configurations.
  • Environmental Reliability: Designed specifically for demanding environments like kitchens, boiler rooms, or workshops exposed to heat fluctuations, steam, or high dust levels.
  • 360-Degree LED Indication: Features central status LED indication to communicate normal loop polling and alarm conditions clearly from any viewing angle.

Specifications

  • Brand Name: Siemens
  • Model: HI722 (Part No: S54310-F3-A1)
  • Type: Intelligent Addressable Static Heat Detector with Loop Isolator
  • Operating Voltage: 12V to 33V DC (C-NET Loop Powered)
  • Quiescent Current: ~200 µA @ 24V DC
  • Operating Temperature: -10°C to +55°C
  • Ingress Protection: IP40 / IP42 (With detector base seal)
  • Operating Class / Parameter Set: Class A2S (Static / Fixed Temperature)
  • Compatible Base: Siemens DB721 / DB722 Base Series
  • Certifications: EN 54-5, EN 54-17 (Isolator), LPCB Approved, VdS Certified, CE Marked

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