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3 Structure and function
3.1 Overview
Figure 1: Overview of FDM1101-Rx
1 Key FDMK295 4 Switching unit
2 Cover cap 5 Supplied screws
3 Plastic insert or glass insert 6
Accessories:
Back box FDMH295-R or
back box FDMH295-S
The manual call points FDM1101-Rx are for manually activating alarms in the case
of fire. They consist of a cover cap and a switching unit. Two back boxes are
available as options for surface-mounted feed lines. Back box FDMH295-R does
not have pre-drilled holes for surface-mounted feed lines. Back box FDMH295-S
has two holes and grommets on its top and can be used for surface-mounted feed
lines with a cable diameter of 5 mm.
The activation button can either be actuated using a resettable plastic insert or a
breakable glass insert.
A protective cover can be optionally used to prevent unintentional alarm activation.
The manual call points have the following characteristics:
● Indication of the alarm status via LED
● Communication: Collective protocol
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