Siemens OOH740 - Removing the Diode Unit

Mounting / Installation
Migration from collective detector line to addressed detector line
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Building Technologies
A6V10305793_m_en_
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Fire Safety
2016-02-15
5.13.1 Removing the diode unit
Figure 23: Removing the diode unit
1 Detector base DB721D 3 Diode unit
2 Screwdriver size 1
WARNING
Falling diode unit
Risk of eye damage
●
Wear safety goggles when removing the diode unit!
w There is no point detector in the detector base DB721D.
1. Attach a size 1 screwdriver (2) between the connection terminal '6' in the
detector base (1) and the diode unit (3). See arrow in the figure.
2. NOTICE! The loop contact in the detector base is damaged when the diode
unit is removed! Avoid bending the spring contact next to the connection
terminal '6'!
3. Hit the handle of the screwdriver (2).
a The diode unit (3) falls out of the detector base (1).