Viessmann VITOCAL 242-G Installation And Service Instructions Manual page 58

Installation sequence
Fitting the water drain (Vitocal 242)
4. Note
Min. clearance between the wall
and the back of the equipment
when the drain connection is
located behind the equipment: 15
mm, and when the drain connec-
tion is located adjacent to the
equipment: 45 mm.
Push the compact unit against the
wall or into the recess.
5. Compress the drain hose that is
hanging out of the front of the
equipment and connect it to the
siphon.
58
(cont.)
6. Install the siphon.