Riello 20171510, Installation, Use And Maintenance Instructions

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20171652 18 GB
Installation
4.8 Combustion head adjustment
At this point of the installation, the combustion head is fixed to the
boiler as shown in Fig. 13. It is therefore especially easy to adjust,
and this adjustment depends only on the maximum output of the
burner.
In the diagram (Fig. 17) find the notch at which to adjust both air
and central gas/air. External air R1 adjustment

Rotate the screw 4)(Fig. 16) until the notch you have found
corresponds with the front surface 5) of the flange.
t
NOTE:
he diagram (Fig. 17) indicates the optimum adjustment for a
type of boiler according to Fig. 3 on page 9.
WARNING
To facilitate adjustment, loosen the screw 6),
adjust and then lock.
6 4 5
Fig. 16
20186050
WARNING
The adjustments indicated can be modified during
the initial start-up.
Fig. 17
Max burner output
No
. notche
s
(R1)RS 68
(R1)RS 120
20136052