Viessmann Vitoladens 300-W Installation And Service Instructions For Contractors page 35

Adjusting the standard burner settings
Note
Check that the service instructions are applicable to
the relevant burner. See applicability information on
the last page and serial no. on the boiler type plate.
Standard values for burner adjustment
Rated heating output
at T /T 50/30 °C
F R
at T /T 80/60 °C
F R
Rated heating input range
Oil burner nozzle
Oil throughput (full load)
Max. permiss. vacuum in the oil line
Static burner pressure approx.
Base load
■
Full load
■
CO content
2
Nozzle gap
G
(see page 30)
!
Please note
An incorrectly adjusted nozzle gap
in irregular operation of the burner and even a
fault shutdown.
Always maintain the stated dimension and
check it in accordance with the details on
page 30.
Only use replacement nozzles from the spare
parts list (page 79).
Checking the neutralising system (accessories)
Check the pH value of the condensate with a pH test
strip. Replace the granulate if the pH value is < 6.5.
Note
Part no. for pH test strips: 9517 678.
Checking the active charcoal filter (accessories)
Note
Please observe the active charcoal filter manufactur-
er's instructions.
Checking the expansion vessel and system pressure
Commissioning, inspection, maintenance
kW
kW
kW
Type
Gph
l/h
bar
kPa
mbar
kPa
mbar
kPa
%
mm
can result
G
Please observe the neutralising system manufacturer's
instructions.
10.3 - 19.3 10.3 - 23.6
9.6 - 18.0 9.6 - 22.4
10.0 - 18.7 10.0 - 22.9
80 °H V
0.32
1.9
0.35
35
3.5 - 6.0 3.5 - 6.0
0.35 - 0.60 0.35 - 0.60
9.5 - 16.0 13.5 - 22.5
0.95 - 1.60 1.35 - 2.25
12.7 - 13.6 12.7 - 13.6
1.5 +0.2/-0.3 1.5
80 °H V
0.32
2.3
0.35
35
+0.2/-0.3
35