68
B
With PM/M-E type burners, the air flap is activated by an electric servo control. The air flap positions are
determined by means of the cams, with their alignment indicated on the reference disc.
The cams can be moved by using the equipped wrench as they are self-locking.
By pressing button
B
, the air flap drive system is disengaged, and the air flap is free to be moved manually (if
necessary).
Cams
I
Max air opening
II
Air closing on stopping
III
Air opening on start-up or 1st stage
IV
SKP... valve opening
Release button
Wrench
Wrench
CALIBRATION SQN 30.401
AIR REGULATION
