Burner Installation; Fuels; Combustion Chamber Sight Glass Installation - Viessmann VITOCROSSAL 300 Installation Instructions Manual

Burner installation

For burner installation, see separate burner documentation.
H Install the burner plate (part of the
standard delivery).
H The circle of burner fixing holes
and blast tube aperture match the
dimensions of many well−known
burner makes.
Rated output from
kW
to kW
∅ mm
Hole circle
∅ mm
Blast tube
aperture
Fixing screws

Fuels

Natural gas and LPG in accordance
with DVGW Code of Practice G 260/I
and II or in accordance with local
regulations.

Combustion chamber sight glass installation

Install the combustion chamber sight
glass.
Connect the sight tube with the
H Drill the burner plate to suit, if the
actual dimensions do not match
the pre−drilled pattern.
H In the case of different dimensions,
adjust the thermal insulation
cut−out of the boiler door
according to the blast tube
diameter.
187 408
314 635
H After the burner installation, seal
the annular gap between the blast
270 330
tube and the thermal insulation
240 290
block with heat−resistant insulation
material supplied.
M 10 M 12
plastic pipe supplied to the fan part
of the burner (test port for static
burner pressure).
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