45
UK
ECO 22
ECO 30
The immediately accessible micrometric
screw, permits a fine, stable and precise
control of the intake airflow.
After opening the lock-nut, turn the screw
clockwise to reduce the opening of the but-
terfly valve and anticlockwise to open the
valve, referring to the data plate.
AIR DAMPER ADJUSTMENT
After having untightened the screw C, whith the screw A it obtains the air combustion adjustment,
according tothe indications of index B. Block the screw C when the calibration is effected.