Adjusting Gas Pressure At The Nozzles; Gas Conversion; Preliminary Operations - Sime Brava One 40 BF Manuel Pour L'installation Et L'entretien

3.6.2

Adjusting gas pressure at the nozzles

m
CAUTION
Considering that:
– the front panel (2) has already been removed and
the point (6) is connected to the pressure gauge
– the main system switch must be set to "ON"
– the gas supply must be open
– there must be no current requests for heat
("Summer" mode
"Winter" n with air thermostats open)
– the adjustments described below must be carried out
in sequence.
Adjusting maximum gas pressure:
– 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 "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
>
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
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.
26
l with hot water valve closed or
r
o and s at the same time
until the pressure value indicated in
<
< until the pressure value indicated in
o and s at the same time for
3.7

Gas conversion

models can be converted from operation with
Brava One 40 BF
G20 (methane) to operation with G30/G31 (LPG) by installing
the "Nozzle kit for G30/G31 (LPG) - code 5144725 to be ordered
separately from the boiler.
m
CAUTION
The maintenance interventions described must ONLY
be carried out the professionally qualified personnel.
a
WARNING
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
3.7.1

Preliminary operations

To carry out the conversion:
– remove the screws (1), pull the front panel (2) forwards and
release it from the top by lifting it
2
– remove the four screws (3) and remove the front panel (4)
from the sealed chamber
EN
Fig. 37
1
Fig. 38