Summary of Contents for Siemens Cerberus PRO OH720
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Cerberus™ PRO OH720, OP720, HI720, HI722 Automatic fire detectors For the automatically addressable detector bus C-NET The ideal fire detector for every application Signal processing with detection algorithms Address automatically issued during commissioning Communication via C-NET (addressed individually) A6V10202198_m_en_-- Building Technologies 2018-06-15 Control Products and Systems...
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Properties Features Resistant to environmental and interfering influences such as dust, fibers, insects, moisture, extreme temperatures, electromagnetic interference, corrosive vapors, vibration Shock resistant, protection against sabotage Protected electronics, high-quality components Integrated line separator: The defective part on the detector line is located by the fire control panel and isolated between two C-NET devices.
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OP720 smoke detector 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 which obstructs disruptive extraneous light but provides excellent detection of smoke particles Selectable detection behavior thanks to two parameter sets –...
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Type Overview Type Designation Order number Weight [kg] OH720 Multi-sensor fire detector S54310-F2-A1 0.144 OP720 Smoke detector S54310-F1-A1 0.094 HI720 Heat detector (static and differential) S54310-F4-A1 0.130 HI722 Heat detector (static only) S54310-F3-A1 0.130 DB721 Detector base with loop contact S54319-F11-A1 0.052 DB722...
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Accessories Detector base DB721 Function: Universal base for all point detectors of the Cerberus™ PRO FD720 series Use: For recess-mounted supply lines For surface-mounted supply lines with cables up to max. Ø 8 mm The detector base DB721 has a loop contact. When using the DB721, the detector line is also not interrupted when there is no point detector mounted in the detector base.
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Detector locking device LP720 For protection against theft of the point detector Set screw M3 x 12 mm prevents the point detector being unscrewed from the detector base Point detector can only be removed with the appropriate Allen key Base attachment BA720 Function: For routing surface-mounted ducts (max.
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Detector heating unit FDBH291 For operating point detectors in critical ambient conditions during icy conditions or when there is a danger of moisture condensation. Examples of application: Cold stores, attics, loading ramps, cheese cellars Optimum function is only guaranteed in conjunction with base attachment wet BA721.
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Notes Installation Universal detector base with two break-out points for surface-mounted cable entry at the side. Max. cable diameter: 8 mm. Extra-long mounting slits allow existing drill holes from other systems to be reused. Hole spacing 40…90 mm Screw terminals for conductors up to 2.5 mm² Space for auxiliary terminals: –...
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Technical data OH720 OP720 HI720 / HI722 Operating voltage DC 12…33 V DC 12…33 V DC 12…33 V Operating current (quiescent) ~230 µA ~220 µA ~200 µA Max. number of external alarm indicators that can be connected Operating temperature -10...+55 °C -10...+55 °C -10...+55 °C Storage temperature...
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The declared performance and conformity can be seen in the Declaration of Performance (DoP) and the EU Declaration of Conformity (DoC), which is obtainable via the Customer Support center: Tel. +49 89 9221-8000 or https://siemens.com/bt/download DoP No.: 0786-CPR-20711; DoC No.: CED-OH720 Siemens Schweiz AG;...
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Dimensional drawings OH720 OP720 HI720, HI722 OH720 with base OP720 with base HI720, HI722 with base Building Technologies A6V10202198_m_en_-- Fire Safety 2018-06-15...