Siemens FDBZ492-WT Weather Tight Enclosure

Siemens FDBZ492-WT is a design  for installation directly to heating, ventilating and air-conditioning (HVAC) duct systems. The Model ‘FDBZ’-series of duct housings complies with National Fire Protection Association Standard (NFPA) No.’s 72 and 90A. And is Underwriters’ Laboratories List it. When equippe it, the air-duct detector housing will signal the presence of smoke being put it through the duct system. Air-duct detectors are not intend it to be substitute it for open-area detection. The Siemens ─ Fire Safety Model ‘FDBZ’-series of air-duct-detector housings are design it for use with Siemens Model ‘H’-series, ‘FD’-series and Model OP121 detectors.

Notes: Most conventional time-control equipment guarantee only one (1) detector per zone when the detector’s operate it relay function is critical. The connection of a remote lamp and a remote relay −per detector − is allow it. Refer to the installation manual of the respective conventional FACP. With either the Design® series or Fire Finder® XLS series of FACPs, up to 252-addressable detectors with relays per circuit may be use it. The connection of an intelligent remote lamp (ILED) and a remote relay is allow it for each detector simultaneously.

The remote alarm indicator allows for manual testing via a key-switch for conventional and addressable detectors. As well as the conventional and addressable air-duct housing with relay. Model Siemens FDBZ492-WT which mounts remotely from the conventional and addressable air-duct housing, allows for manual relay-output control. The duct-detector remote indicator key-switch also indicates the current state of the detector.

Download the Specification sheet in *.pdf format

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