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Setup and function
3
Overview
3 Setup and function
3.1 Overview
14 | 62
Building Technologies
Fire Safety
The manual call points are intended for use in places where a fire can be detected
by people who can manually trigger an alarm.
The manual call points FDM221, FDM225, and FDM226 consist of a housing and a
switching unit. The manual call points have the following features:
Manual call points with direct activation
Two-wire installation for all cable types
Individual detector addressing
Indication of the condition (alarm, localization, or test) by means of an LED
Integrated line separation function
FDM221 and FDM225 for surface-mounted and recess-mounted cable entry
with protection category IP44
FDM226 for surface-mounted cable entry with protection category IP66
FDM221 with glass insert
FDM225 and FDM226 with glass insert or resettable plastic insert
Manual call point FDM221 (housing FDMH291-x)
Manual call point FDM225-x
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2016-08-23
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