Adjusting The Air Volume (Static Burner Pressure) - Viessmann VITOLADENS 300-W Installation And Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps
Select burner stage 1 or 2:
1. Press OK and å simultaneously
for approx. 4 s.
2. "Actuator test"
3. Select the lower heating output:
Select "Burner stage 1 ON" and
confirm with OK.

Adjusting the air volume (static burner pressure)

A
1. Start the boiler.
2. Remove the plug from test nipple
A.
3. Connect the U-shaped pressure
gauge to test nipple A.
4. Press OK and å simultaneously
for approx. 4 s.
5. "Service functions"
34
(cont.)
4. Select the upper heating output:
Select "Burner stage 1 + 2 ON" and
confirm with OK.
6. "Max. fan speed"
7. "Change?" Select "Yes" and con-
firm with OK.
The display shows % values for the
fan speed at burner stage 1 and 2.
The display is limited by boiler-spe-
cific parameters to the lowest of the
two min. values and the max. value of
burner stage 2.
8. Select value and confirm with OK.
Changes only become effective after
this.
9. Check the set values.
10. Seal test nipple A again with the
previously removed plug.
Note
Do not seal the connector next to
test nipple A.