Setting The Maximum Output - Viessmann VITODENS 300 Service Instructions Manual

Initial start-up, inspection, maintenance
Further details regarding the individual steps

Setting the maximum output

Note
The maximum output can be limited for heating operation. You can limit the
output via the modulation range.
1. Start up the boiler.
16
(cont.)
4. Check the CO content. Should the
2
actual value deviate by more than
1% from the above range, imple-
ment the steps from page 15 (pos-
sibly replace the burner).
5. Enter actual values into the service
report.
6. Adjust the upper output.
Constant temperature control unit:
With a/b in the display, select
"2".
Weather compensated control unit:
With a/b in the display, select
"Full load".
7. Check the CO content. Should the
2
actual value deviate by more than
1% from the above range, imple-
ment the steps from page 15 (pos-
sibly replace the burner).
8. After testing, press d.
9. Enter actual values into the service
report.