Head adjustment is made by the screw 1, as for indications of index 2.
ECO 3 - 3R - 3RL / 5 - 5R / 7 - 7R
After having untightened the screw C, whith the screw A it obtains the air combustion adjustment, according
to the indications of index B. Block the screw C when the calibration is effected.
Orientative positions of deflector and air flap according to various Boiler power levels (kW) and nozzle size
(GPH).
COMBUSTION HEAD ADJUSTMENT
2
1
AIR FLAP ADJUSTMENT
23