Making The Safety Connections; Mounting The Burner - Viessmann Vitogate 300 Installation Instructions Manual

Making the safety connections

Note
■ Install all pipe connections free of load
and torque stress.
■ Equip boilers with a safety valve that is
type-tested to TRD 721 [or local regu-
lations] and is marked according to the
system version.
1. Make the safety connection.
2. Check the connections on the heat-
ing water side for leaks.
Permiss. operating pressure:
187 to 314 kW
408 to 635 kW
Test pressure:
187 to 314 kW
408 to 635 kW

Mounting the burner

For burner mounting, see sepa-
rate burner documentation.
4 bar (0.4 MPa)
5.5 bar (0.55
MPa)
5.2 bar (0.52
MPa)
7.15 bar/0.715
MPa
!
Please note
Unsuitable water quality can
damage the boiler shell.
Only fill the boiler with water that
complies with the "Water quality
requirements" (see service
instructions).
■ Fit the burner plate (in the pack sup-
plied).
■ The circle of burner fixing holes and
the blast tube aperture match the
dimensions of many well-known
burner makes.
Rated heat- from
ing output kW
to kW
Hole circle 7 mm
Blast tube 7 mm
aperture
Fixing screws
187 408
314 635
270 330
240 290
M 10 M 12
35