Viessmann VITODENS Operating Instructions Manual page 3

For your safety
(cont.)
If you notice fire
Danger
Fire causes a risk of burns and
explosion.
&
Shut down the heating sys-
tem.
&
Close the fuel line shut-off
valves.
&
Use a tested fire extin-
guisher, class ABC.
Installation area conditions
!
Important information
Incorrect ambient conditions
can lead to damage to the
heating system and put safe
operation at risk.
&
Ensure ambient tempera-
tures higher than 0 ºC and
lower than 35 ºC.
&
Prevent the air becoming
contaminated by haloge-
nated hydrocarbons (e.g. as
contained in paints, solvents
or cleaning fluids) and exces-
sive dust (e.g. through grind-
ing/polishing work).
&
Avoid continuously high
humidity levels (e.g. through
frequent drying of washing).
&
Never close existing ventila-
tion apertures.
Safety instructions
Ancillary components, spare and
wearing parts
!
Important information
Components which are not
tested with the heating system
may lead to damage to the
heating system, or may affect
their various functions.
Installation or replacement
must only be carried out by
qualified personnel.
3