Viessmann Vitoligno 300-H Installation And Service Instructions For Contractors page 141

Combustion flow chart
Fig. 85
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.
*5
ag1 Flushing speed
ag2 Ignition speed
e1 Charge time entry
e1 Fill time entry (if necessary)
z Ignition on
For Vitoligno 300-H, only from C
l1 Air damper calibration
l2 Air damper flushing position
l3 Air damper ignition position
w1 Heat exchanger cleaning
r1 Grate cleaning *5
ea Ash removal motor
*5
Function description
*5
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