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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.
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.
ECO 22
ECO 30
UK
45
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