85
ES
PT
ENG
For the 30 BF boiler to function with LPG,
press until 04 appears.
Confirm this value using or .
Exit the parameters section by pressing .
The table below gives the values to set
when the supply gas is changed:
4.2.2 Adjusting valve pressure (fig. 20)
Set maximum and minimum pressure on
gas valves as follows (fig. 20):
– Connect the column or a manometer to
the intake downstream of the gas valve.
In “25-30 BF” models, disconnect the
valve VENT pressure test point tube (5
fig. 18).
– Remove the cap (1) from the modulator.
– Press the keys ( and ) at the same
time for a few seconds and completely
open the hot sanitary water faucet.
–Press the key (Hi).
–Remember that rotating clockwise will
increase pressure while rotating anti-
clockwise will diminish it.
– Adjust maximum pressure using the nut
(3) with a wrench to the maximum pres-
sure value indicated in Table 4.
–Adjust the maximum pressure before
adjusting the minimum.
–Press the key (Lo) while the sanitary
water tap is on, with the water running.
–Lock the nut (3) in place, turn the
screw/nut (2) to the minimum pressu-
re indicated in Table 4.
–Press the keys ( and ) while kee-
ping the hot sanitary water running all
the time, and check that the maximum
and minimum pressures correspond to
the set values; if necessary correct the
regulation.
–Press the key again to quit the func-
tion.
–Put the pipe back on the valve VENT
pressure test point.
–Remove the manometer, remembering
to tighten the screw for closing the pres-
sure test point.
– Put the plastic cap (1) back on the modu-
lator and seal with a drop of coloured
sealant if necessary.
BOILER GAS MODELS PAR 1
METHANE 25 01
BF (G20) 30 02
LPG 25 03
(G30/G31)
30 04
METHANE 25 05
OF (G20) 30 06
LPG 25 07
(G30/G31)
30 08
3
2
1
Fig. 20
KEY
1 Plastic tap
2 Minimum pressure adjusting nut
3 Maximum pressure adjusting nut
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