AIR DAMPER ADJUSTMENT
ECO 3 - 3R - 3 ST 3 3 R ST - 5 N - 5 R N - 5 R N ST - 7 R
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.
kW
GpH
11
...
0.35
1
19
...
0.50
21
...
0.65
2
30
...
0.75
3
35
...
0.85
kW
GpH
32
...
0.65
1
45
...
1.00
2
59
...
1.35
3
UK
42
ECO 3 - 3R - 3 ST 3 3 R ST
5
MAX
kW
11
...
4
19
...
3
21
...
2
30
...
1
MIN
35
...
ECO 5 N - 5 R N - 5 R N ST
5
MAX
kW
4
32
...
3
45
...
2
59
...
1
MIN
GpH
5
MAX
0.35
4
1
0.50
3
0.65
2
2
0.75
3
0.85
1
MIN
5
MAX
GpH
4
0.65
1
3
1.00
2
2
1.35
3
1
MIN
ECO 7 R
kW
GpH
5
MAX
11
...
0.35
4
1
19
...
0.50
3
21
...
0.65
2
2
30
...
0.75
3
35
...
0.85
1
MIN
5
MAX
kW
GpH
4
32
...
0.65
1
3
2
45
...
1.00
2
59
...
1.35
3
1
MIN