Viessmann VITODENS 100-W Installation And Service Instructions Manual page 13

Fitting the boiler and making connections
Connection, safety valve and condensate drain
A
■ The condensate line is connected with
the safety valve discharge pipe. The
condensate hose supplied meets the
temperature requirements that are
part of the CE certification.
■ Connecting the condensate hose
internally to the domestic waste water
system, either directly or via a drip
water funnel (tundish) is recommen-
ded.
Installation sequence
(cont.)
■ If the condensate line is routed outside
the building, use a pipe of at least
7 30 mm and insulate it against frost.
Avoid long external pipelines.
!
Please note
A frozen condensate pipe can
result in faults and boiler dam-
age.
Always insulate condensate
lines against frost.
■ Observe the local building regulations.
Connect condensate line A with a con-
stant fall and a pipe vent to the public
sewage system.
Observe the local waste water regula-
tions.
Note
Fill the siphon with water before com-
missioning.
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