19
COMBUSTION HEAD ADJUSTMENT
Head adjustment is made by the screw
1
, as for indications of index
2
.
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).
AIR FLAP ADJUSTMENT
It is necessary to make combustion tests and to turn the air shaft regulating screw for adjusting the air quantity.
ECO 3 - 3R
ECO 5 - 5RN