WP ProV1 2.Gen Bedienungsanleitung Seite 71

First, turn off the fuse of your doorbell.
Then dismantle the old existing
doorbell and disconnect the bell wires
so that they are exposed.
Carefully feed the bell wires
through the mounting plate and
optionally the mounting bracket
Mark and drill the screw holes.
Insert the dowels and fasten the
mounting plate (or mounting bracket
- optional) to the wall using the
Mounting-
screws (1)
mounting screws (1).