L Manual

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Figure 25: Stairwell lighting timer switch
b) Stairwell lighting timer switch and motion detector
Because the button engages the line voltage (L), it can be replaced by
a motion detector. Parallel switching with the switch is also possible.
Because the switch-on time is set on the stairwell lighting time switch,
the switch-on time of the motion detector can be set to a minimum.
Figure 26: Stairwell lighting timer switch and motion detector