Adjusting maximum gas pressure:
– press the button
s
until "SUMMER" mode
lected
– turn the domestic hot water knob as far as it will go
– press and hold down the buttons
for approximately 6 seconds until the message "Au" appears
on the display alternating with "to"
– open one or more than one hot water tap
– the boiler will start up and the message "P01" will appear on
the display (Adjusting maximum gas pressure)
– press the buttons
>
or
the table appears on the pressure gauge
– once the value indicated in the table has been reached, press
the button
s
for approximately 2 seconds to confirm the value
which will then flash once.
Adjusting minimum gas pressure:
– press the button
o
twice, the message "P00" will appear on
the display
– press the buttons
>
or
the table appears on the pressure gauge
– once the value indicated in the table has been reached, press
the button
s
for approximately 2 seconds to confirm the value
which will then flash once
– press and hold down the buttons
for approximately 6 seconds until the water delivery tempera-
ture appears on the display and the boiler shuts down
80
l
has been se-
r
o
and
s
at the same time
<
until the pressure value indicated in
<
until the pressure value indicated in
and
at the same time
o
s
– close the valves which were opened previously
– disconnect the pressure gauges, carefully close the pressure
points (6) and (7), put the control panel back to the original
position and refit the front panel (2).
Gas supply pressure
Type of gas
G20
Pressure (mbar)
20
Installation with SPLIT PIPE SYSTEM smoke outlet
Heat
Model
Output
Max
Brava One 25 BF
min
Max
Brava One 30 BF
min
Installation with CONCENTRIC smoke outlet
Heat
Model
Output
Max
Brava One 30 BF
min
EN
6
7
Fig. 54
G30
G31
28-30
37
Pressure at nozzles (mbar)
G20
G30
G31
12,2 - 12,6
27,8 - 28,2
35,8 - 36,2
0,8 - 1,1
2,2 - 2,5
2,8 - 3,1
12,5 - 12,9
27,8 - 28,2
35,8 - 36,2
0,6 - 0,9
2,6 - 2,9
3,4 - 3,7
Pressure at nozzles (mbar)
G20
G30
G31
12,9 - 13,3
27,8 - 28,2
35,8 - 36,2
1,4 - 1,7
3,8 - 4,1
4,8 - 5,1