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PREVENTILATION WITH AIR OPEN (2nd FLAME POSITION) AIR CLOSED WITH BURNER IN STOP POSITION
1 - 2
nd
Flame valve connection cam (must be adjusted in a position between the 1
2 - Air regulation cam 1° flame
3 - Close air shutter cam with burner in stop position
4 - Air regulation cam 2
Motor-cam shaft coupling cutting out pin.
The switching-off of the motor and shaft
connection can be obtained by pushing.
In order to modify the cams regulation it's necessary to intervene on the relative red rings. Pushing by sufficient
strength,in the sens one desires, each red ring can turn in respect to the reffering scale. The pointer of the red ring
indicates on the respective reffering scale the rotation angle set for each cam.
SQN 30.111 A3500
nd
flame
27
N° 8653-1
rev. 09/04/87
st
flame and the 2
nd
flame cam)
4
3
2
1
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