Viessmann Vitoladens 300-W Installation And Service Instructions Manual page 28

Commissioning, inspection, maintenance
Adjusting the oil pressure and checking the...
3. Set burner stage 1 (see page 28).
4. Where the vacuum measures higher than 0.35 bar
(35 kPa), check the filter for contamination and
check the pipe route.
5. If required, adjust the oil pressure for stage 1 at
pressure adjusting screw
standard values, see page 26).
6. Test to check the actual emission values after
adjusting the oil pressure.
7. Set burner stage 2 (see page 28).
8. If required, adjust the oil pressure for stage 2 at
pressure adjusting screw
Adjusting the air volume (static burner pressure)
A
Fig. 24
01. Start the boiler.
02. Remove the plug from test connector
03. Connect the U-tube pressure gauge to test con-
nector .
A
04. Press OK and simultaneously for approx. 4 s.
å
28
C of the oil pump (for
of the oil pump.
D
A .
(cont.)
9. Test to check the actual emission values after
adjusting the oil pressure.
Selecting burner stage 1 or 2:
1. Press OK and simultaneously for approx. 4 s.
å
2. "Actuator test"
3. Selecting the lower heating output:
Select "Burner stage 1 ON" and confirm with OK.
4. Selecting the upper heating output:
Select "Burner stage 1 + 2 ON" and confirm with
OK.
05. "Service functions"
06. "Max. fan speed"
07. "Change?" Select "Yes" and confirm with OK.
The display shows % values for the fan speed at
burner stage 1 and 2. The display is limited by
boiler-specific parameters to the lowest of the two
min. values and the max. value of burner stage 2.
08. Set values and confirm with OK.
Changes only become effective after this.
09. Check the set values.
10. Reseal test connector
ously removed.
Note
Never seal the connector adjacent to test connec-
tor .
A
using the plug previ-
A