Viessmann Vitodens 100 Series Installation And Service Instructions Manual page 16

Installation sequence
Mounting the boiler and making connections
1. Position the supplied installation
template on the wall.
2. Mark out the rawl plug holes.
3. Drill 7 10 mm holes and insert the
rawl plugs supplied.
16
(cont.)
4. Fit the wall mounting bracket with
the screws supplied.