Viessmann Vitogate 300 - Making the Safety Connections; Safety Valve and Pressure Checks; Mounting the Burner; Burner Mounting Plate and Dimensions

35
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 4 bar (0.4 MPa)
408 to 635 kW 5.5 bar (0.55
MPa)
Test pressure:
187 to 314 kW 5.2 bar (0.52
MPa)
408 to 635 kW 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).
Mounting the burner
For burner mounting, see sepa-
rate burner documentation.
■ 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-
ing output
from
kW
to kW
187
314
408
635
Hole circle 7 mm 270 330
Blast tube
aperture
7 mm 240 290
Fixing screws M 10 M 12
Making the safety connections
5614 451 GB