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.
Orientative positions of deflector and air flap according to various Boiler power levels (kW)
and nozzle size (GPH).
It is necessary to make combustion tests and to turn the air shaft regulating screw for adju-
sting the air quantity.
5
kW
GpH
4
32
...
0.65
1
3
45
...
1.00
2
2
1.35
59
...
3
1
MAX
kW
GpH
32
...
0.65
1
45
...
1.00
2
1.35
59
...
3
MIN
5
MAX
kW
GpH
4
32
...
0.65
3
45
...
1.00
2
59
...
1.35
1
MIN
5
MAX
4
1
3
2
2
3
1
MIN
UK
31