79
EN
Adjusting maximum gas pressure:
– turn the domestic hot water knob as far as it will go
r
– press and hold down the buttons
o
and
s
at the same time
for approximately 6 seconds until the message "MA" appears
on the display alternating with "nu"
–
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
<
until the pressure value indicated in
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
<
until the pressure value indicated in
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
o
and
s
at the same time for
approximately 6 seconds until the water delivery temperature
appears on the display and the boiler shuts down/starts up.
– close the valves which were opened previously.
3.8
Gas conversion
Brava One OF ErP
models can be converted from operation with
G20 to operation with G30/G31 by installing the "Nozzle kit
for G30/G31 - code 5144722 to be ordered separately from the
boiler.
m
CAUTION
The maintenance interventions described must ONLY
be carried out the professionally qualified personnel.
a
DANGER
Before carrying out any interventions described:
– set the main system switch to "OFF"
– close the gas valve
– make sure that no hot parts inside the appliance are
touched.
OFF
Fig. 35
3.8.1
Preliminary operations
To carry out the conversion:
– remove the two screws (1), pull the front panel (2) forwards
and release it from the top by lifting it
1
2
Fig. 36
