Viessmann VITODENS 050-W Installation And Service Instructions Manual page 7

Safety instructions
Danger
If water escapes from
the appliance there is
a risk of scalding.
Never touch hot heat-
ing water.
Condensate
Danger
Contact with conden-
sate can be harmful
to health.
Never let condensate
touch your skin or
eyes and do not
swallow it.
Flue systems and com-
bustion air
Ensure that flue systems
are clear and cannot be
sealed, for instance due to
accumulation of conden-
sate or other external cau-
ses.
Ensure an adequate sup-
ply of combustion air.
(cont.)
Inform system users that
subsequent modifications
to the building characteris-
tics are not permissible
(e.g. cable/pipework rout-
ing, cladding or partitions).
Safety instructions
Danger
Leaking or blocked
flue systems, or an
inadequate supply of
combustion air can
cause life threatening
poisoning from car-
bon monoxide in the
flue gas.
Ensure the flue sys-
tem is in good work-
ing order. Vents for
supplying combustion
air must be non-seal-
able.
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