Viessmann Vitoligno 300-C Installation And Service Instructions Manual page 163

Combustion flow chart
Fig. 89
A' Burner start initiation
A Flushing phase
B Filling combustion chamber
C Ignition
D 2nd ignition phase
E Control mode
F Burnout phase
G Boiler cleaning
H Idle state
Control mode
A
Control time varies depending on the type of boiler.
*14
ag1 Flushing speed
ag2 Ignition speed
e1 Charge time entry
z Ignition on
l1 Air damper calibration
l2 Air damper flushing position
l3 Air damper ignition position
w1 Heat exchanger cleaning
r1
Grate cleaning *14
ea Ash removal motor *14
Function description
*14
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