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5.9
Gas butterfly valve
If necessary, replace the gas butterfly valve. The correct position
is shown in Fig. 17.
5.10
Combustion head adjustment
Rotate the screw 1) until the notch you have found corresponds
with the front surface of the screw itself.
The combustion head is opened by turning the screw 1) anti-
clockwise.
The combustion head is closed by turning the screw 1) clockwise
(Fig. 18).
Central air adjustment:
The factory setting is shown in Tab. J
Burner
RS 310
Set-point
7
Normally the calibrations indicated in Tab. J
should not be changed.
WARNING
In the event that the specific application requires a particular ad-
justment, it is possible to change the central air flow rate using the
ring nut 4)(Fig. 19). To carry out this operation loosen the
screws 5)(Fig. 19) and move the ring nut 4)(Fig. 19). When fin-
ished, lock the screws 5) again (Fig. 19).
20080128
RS 410
RS 510
RS610
4
7
Installation
YES
20078516
7
Tab. J
20073539
20077011
22
GB
NO
Fig. 17
Fig. 18
Fig. 19
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