Pellet Combustion Sequence Chart - Viessmann Vitoligno 300-C Installation And Service Instructions For Contractors

Function description

Pellet combustion sequence chart

A´ A´
Flue gas
fan
Supply
motor
Ignition
element
Air
dampers
Secondary
heating surface
cleaning
and
grate
cleaning
Fig. 69
A' Burner start initiation
A Purge phase
B Ignition phase starts
C Ignition
D 2nd ignition phase
E Control mode
F Stop
G Idle state
Output-dependent control
A
116
A B
ra1
l1 l2
w1
r1
C D E
ra2
ra3
e1 e2
z
l3 l4
ra1 Purge speed
ra2 Ignition speed
ra3 2nd ignition phase speed
ra4 Stop speed
e1 Charge filling time
e2 2nd ignition phase charge
z Ignition on
l1 Air damper calibration
l2 Air damper purge position
l3 Air damper ignition position
l4 Air damper 2nd ignition phase (controlled)
l5 Air damper stop position
w1 Secondary heating surface cleaning
r1 Grate cleaning
F G
A
ra4
l5