Cleaning And Checking The Flame Monitor - Viessmann VITOFLAME 100 Service Instructions Manual

Initial start−up, inspection and maintenance
Further details regarding the individual steps

Cleaning and checking the flame monitor

12
Remove flame monitor A (photo
resistance) from its retainer, whilst
the burner is operating.
The system should then perform a
fault shutdown if the flame monitor
is covered up.
Remove flame monitor B (light
flicker detector) after 30 s from its
retainer whilst the burner is
operating.
B
When the flame monitor is covered,
the flame must die down and the
start should be repeated.
Note
A
The light flicker detector is preset at
the factory to setting 4; only adjust
higher if required.
(cont.)