DescriptionThe model 2551HR photoelectronic sensors utilize a stateof- the-art, optical sensing chamber. These sensors are designed for use with duct housings DH500 and DH500AC/ DC only, and to be used with compatible control panels only. Connect detectors only to compatible control units. (For in...
2551HR: DescriptionThe model 2551HR photoelectronic sensors utilize a stateof- the-art, optical sensing chamber. These sensors are designed for use with duct housings DH500 and DH500AC/ DC only, and to be u...
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The model 2551HR photoelectronic sensors utilize a stateof- the-art, optical sensing chamber. These sensors are designed for use with duct housings DH500 and DH500AC/ DC only, and to be used with compatible control panels only. Connect detectors only to compatible control units. (For installation in Canada, refer to CAN/ULC-S524-M86, Standard for the Installation of Fire Alarm Systems and CEC Part 1, Sec. 32.)
Two LEDs on each 2551HR light to provide a local 360° visibility of the sensor indication. The LEDs can be latched ON by code command from the panel for an alarm indication. The LEDs can also be unlatched to the normal condition by code command. Remote LED annunciator capability is available as an optional accessory (part no. RA400Z).