90
GB
Flame signal
The flame signal value is displayed in uA.
If the flame signal read should exceed the flame signal detection threshold value by 10 times, the display is:
Air damper servo-motor
The current position of the air damper servo-motor is displayed (closure total, first stage, total opening or second
stage).
TWO-STAGE BURNER
Flame
signal
in micro A
uA
Flame
signal
in micro A
uA
If servo-motor
anomaly present
MODULATING BURNER
If modulating burner is selected, the percentage opening of the damper with respect to the minimum position is
also indicated.
If servo-motor
anomaly present