HomeMatic HM-Sen-EP Installation And Operating Manual page 48

secure the loop using the cable tie supplied, as
shown in the figure below:
The wire needs to be at least a few centimetres in
length to allow you to twist it even once. Do not pull
forcefully on the wire. It may be necessary to find
another installation location with a longer wire in
order to obtain the length you need.
If you wish to control a garage door using
the control flashing associated with the
central locking mechanism, it may be useful to use
both the indicator light wire and the high beam wire.
48