Burner Control Unit - Viessmann VITOFLAME 100 Service Instructions Manual

Initial start−up, inspection and maintenance

Burner control unit

Program sequence during commissioning
A Start command
B B' Interval for flame to build
C Burner operating position
achieved
C D Burner operation
D Controlled shutdown
Burner control unit LOA 24. ...
t1 Pre−purge time
t3 Pre−ignition time
t3n Post−ignition time in case
a flame builds
t4 Interval stage I II
tw Dwell time
TSA Safety time during
process
18
1 qW Plug−in terminals on the
E Burner motor
F Solenoid valve stage 2
H Solenoid valve stage 1
N Ignition transformer
O Flame monitor
approx.13 s
approx.13 s
approx.15 s
approx.15 s
2.5 s
max.10 s
burner control unit