141
Heat exchanger cleaning
Air dampers
Ignition element
Charge motor
Flue gas fan
A´A´
A
B
C
D
E
F
G
ag1
ag2
A
e1
z
l1
l2
l3
w1
r1
A
r1
H
Grate cleaning
Ash removal
w1
w1
ea
A
e2
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
A
Control mode
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
*5
r1
Grate cleaning
*5
ea
Ash removal motor
*5
*5
Control time varies depending on the type of boiler.
Function description
Combustion flow chart
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Functions