Manual Call Points Fdm223H And Fdm224H - Siemens FDM223 Technical Manual

3.2.2 Manual call points FDM223H and FDM224H

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The manual call point FDM223H triggers an alarm when the glass insert is pushed
in and the alarm button is pressed (indirect activation). The alarm is immediately
transmitted to the control panel.
The manual call point FDM224H triggers an alarm when the glass insert is pushed
in. The alarm button, which is pre-stressed by the glass insert, then pops out
(direct activation). The alarm is immediately transmitted to the control panel.
To reset the manual call points after an alarm, a new glass insert must be
inserted. With FDM223H, the locking lever on the switching unit must also be
reset.
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Figure 4: Manual call point FDM223H with housing FDMH292-R with open door
1 Housing
2 Switching unit
3 Spring clips
4 Locking lever
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5 Glass insert
6 Guides for the glass insert
7 Internal alarm indicator
8 Alarm button
Structure and function
Setup
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