5.8
Air damper adjustment
To regulate the air damper, do the following:
1st stage adjustment
Loosen the nut 1)(Fig. 10), adjust the screw 2)(Fig. 10), and
bring the indicator 3) to the required position.
When the adjustment is completed screw in the nut 1)(Fig. 10).
Pressure adjustment
It leaves the factory set at 9 bar.
If necessary recalibrate the pressure, or if you prefer change it,
just turn the screw 7). The pressure gauge for checking pressure
should be assembled in place of the plug 8)(Fig. 10).
Installation
S7078
15
2nd stage adjustment
Loosen the nut 4)(Fig. 10), adjust the screw 5)(Fig. 10), and
bring the indicator 6) to the required position.
When the adjustment is completed screw in the nut 4)(Fig.
10) again.
Pressure adjustment
It leaves the factory set at 14 bar.
If necessary recalibrate the pressure, or if you prefer change it,
just turn the screw 9)(Fig. 10). The pressure gauge for checking
pressure should be assembled in place of the plug 8)(Fig. 10).
When burner shuts down the air damper automatically close still
a max. chimney depressure of 0.5 mbar.
GB
Fig. 10
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