FDOOT221, FDO221, FDT221
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Sinteso™ C-LINE Automatic fire detectors FDOOT221, FDO221, FDT221 For the automatically addressed detector bus FDnet ● ● ● ● ● The ideal fire detector for every application Signal processing with detection algorithms (DA) Early and reliable detection when fires occur Highly developed immunity to deceptive phenomena Supports disturbance-free function testing with DFTtechnology™ (DisturbanceFree Test) as well as scan and test of external alarm indicator (FDOOT221, FDO221)

Properties Features ● Resistant to environmental and interfering influences such as dust, fibers, insects, moisture, extreme temperatures, electromagnetic interference, corrosive vapors, vibration, artificial aerosols, and atypical fire phenomena ● Shock resistant, theft protection as an accessory ● Signal processing with detection algorithms ● Proven immunity to faults in power electronics ● Protected electronics, high-quality components ● Sophisticated sensors and electronic monitoring ● Internal alarm indicator (IAI), 360° visibility, alignment not necessary ● Integrated line separator ●...

Smoke detector FDO221 Smoke detector consisting of: ● Point detector ● Detector dust cap to protect the point detector during the construction phase Function ● Functions according to the scattered light principle with one sensor: Optical forward scattering ● Opto-electronic measuring chamber: Obstructs disruptive extraneous light but can be relied upon to detect both light and dark smoke particles ● Selectable detection behavior thanks to different parameter sets ● Integrated temperature sensor for room temperature measurement Use ● For early detection of flaming fires as well as smoldering...

Product documentation Document ID Data Sheet Detector bases and accessories FDB22x, FDB20x, FDB241, FDB251, FDB281, FDB299 Equipment overview Sinteso™ Detector system FD20 List of compatibility (for 'Sinteso™' product line) Data sheet Colored detectors, bases and base attachment FDO.., FDOOT…, FDT…, FDB…, FDCW241 Related documents such as the environmental declarations, CE declarations, etc., can be downloaded from the following Internet address: https://siemens.com/bt/download Installation Easy, time-saving, and top quality mounting ● Detector base FDB221 for surface-mounted and...

Disposal The device is considered an electronic device for disposal in accordance with European Directive and may not be disposed of as domestic waste. ● Use only designated channels for disposing the devices. ● Comply with all local and currently applicable laws and regulations. Technical data FDOOT221 Operating voltage (modulated) Operating current (quiescent) Communication protocol Operating temperature External alarm Without sounder indicators which can be base connected With sounder base System compatibility FDnet FS20, SIGMASYS AlgoRex: Product version <67 FS20, SIGMASYS AlgoRex:...

Dimensional drawing With base FDB221 for surface-mounted cable entry Issued by Siemens Switzerland Ltd Smart Infrastructure Global Headquarters Theilerstrasse 1a CH-6300 Zug +41 58 724 2424 www.siemens.com/buildingtechnologies Document ID With base FDB222 for flush mounting © Siemens Switzerland Ltd, 2014 Technical specifications and availability subject to change without notice.