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
