General Installation Instructions; Flue Gas Temperature Protection; Required Tools/Equipment - Viessmann Flue gas system Installation Instructions Manual

General installation instructions

Engineering
Prior to the installation check that the
maximum possible flue length in
accordance with the technical guide for
the respective boiler will not be exceeded.

Flue gas temperature protection

The flues are approved for flue gas
temperatures up to 120°C
Installation information
The component overviews for the types
n
of routing also apply to the Vitocrossal
300 and the Vitoladens 300-T.
Keep flue paths as short as possible with
n
the fewest number of bends possible.
Check the gaskets in all female
n
connections.
Use only the special gaskets supplied
n
with the boiler.

Required tools/equipment

Rope for lowering the flue gas system
n
into a duct (length: chimney height plus 3
metres).
Saw and file for trimming and chamfering
n
the pipe sections.
Power drill for securing the duct cover and
n
the support rail.
2
Measures inside the Viessmann condensing
boilers ensure that the maximum
permissible flue gas temperature will never
be exceeded.
Plug-in fem. connections in the flue must
n
always point in the flow direction.
Only use the components supplied with
n
the PP flue gas system.
Twist the pipes slightly whilst pushing
n
them in.
Inner and outer pipe can be trimmed to
n
the same length.