Burner Fuel Consumption (Stage 1) - Viessmann Vitotronic 11 CC1E Installation And Service Instructions Manual

Boiler
(cont.)

27 Burner fuel consumption (stage 1)

Display
0
...
28 Burner interval ignition
Display
Without
With
29 Burner fuel consumption (stage 2)
Display
0
...
2A Burner fuel consumption (stage 2)
Display
0
...
2B Max. preheating time of butterfly valve
Display
5 min
None
... min
2C Max. run-on time of butterfly valve
Display
5 min
None
... min
Value Explanations
27:0 Never adjust
27:0 to
27:199
Value Explanations
28:0 No burner interval ignition
28:1
Value Explanations
29:0 Never adjust
29:0 to
29:99
Value Explanations
2A:0 Never adjust
2A:0 to
2A:199
Value Explanations
When the boiler is enabled and before control begins,
the butterfly valve is opened for the selected preheat-
ing time.
2B:5
2B:0
2B:1 to
2B:60
Value Explanations
After the boiler enable time ends, the butterfly valve
remains open for the selected run-on time.
2C:5
2C:0
2C:1 to
2C:60
Parameter
73