Viessmann VITODENS 050-W Installation And Service Instructions Manual page 16

Preparing for installation
Preparing for installation
Electrical equipment in rooms contain-
ing a bathtub or a shower must be
installed in such a way that users can-
not be exposed to dangerous shock
currents.
Preparing for boiler installation
Dimensions and connections
400
5
A B C D
F
58 58
123 123
Shown without fittings
A Heating flow 7 22 mm
B DHW 7 15 mm
C Gas connection 7 22 mm
D Cold water 7 15 mm
16
(cont.)
E
VDE 0100 specifies that cables supply-
ing permanently installed consumers in
zones 1 and 2 should only be run verti-
cally and routed into the equipment
from the back.
350
156
F
41
125
E Heating return 7 22 mm
F Condensate drain/safety valve
drain: plastic hose 7 22 mm
700