Beretta NOVELLA 31 RAI Installation Manual page 17

1
Boiler configured for:
G30+G31 28-30/37 mbar L.P.G.
Country of destination: ....
DISABLING THE PRESSURE REGULATOR
For the boiler to work with LPG fuel, the pres-
sure regulator on the valve group needs to be
disabled. To do so, proceed as follows:
- Screw the pressure regulator screw (1) all
the way in (fig. 3.7).
- Unscrew the pressure measurement point
screw (A) about 3 turns and connect up the
pressure gauge (fig. 3.7).
A
Fig. 3.7
SMOOTH IGNITION
- Turn the smooth ignition adjuster screw (B)
to obtain the correct pressure for smooth
ignition (fig. 3.8).
Start up the boiler as instructed on page 20.
B
NOZZLE PRESSURE
Fig. 3.8
- Adjust the pressure regulator on the LPG
supply until the pressure gauge reads out
the value specified in the table below (fig.
3.9):
- Disconnect the pressure gauge and close
the pressure measurement point
Fig. 3.9
- Check the tightness of all the joints discon-
nected previously
- Apply the LPG label supplied with the boiler
to the inside of the boiler casing (fig. 3.10)
- Remove any METHANE (G20) labels from
the outside and inside of the boiler casing
(fig. 3.10).
Fig. 3.10
31 RAI 45 RAI
G30 G31 G30
28,8 34,7 27,8
G31
35,7 mbar
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