49
EN
1.2 Preliminary checks
a
WARNING
– Should it be necessary to access the areas in the bot-
tom part of the appliance, make sure that the system
components and pipes ar
e not hot (risk of burning).
– Before replenishing the heating system, put on pro
-
tective gloves.
Commissioning of the
Brava Slim BF
boiler must be carried out
by professionally qualified technicians, after which the boiler can
operate automatically. It may, however, be necessary for the user
to start the appliance autonomously without involving a techni
-
cian: for example, after a holiday.
Firs
t of all check that the gas isolation and water system valves
are open.
1.3 Ignition
After having carried out the preliminary checks, perform the fol-
lowing to start the boiler:
–
set the main system switch to "ON" in order for the display to
show the pressure level in the system during refilling
–
make sure that the operating mode is set to "Stand-by";
if this is
not the case, press the button
y
until "Stand-by" mode has
been selected
ON
Fig. 2
– on the display (1), check that the heating system pressure when
cold is
1-1.2 bar
. If this is not the case, open the filling valve (2)
and restore the heating system pressure until the display (1)
shows a reading of
1-1.2 bar
– close the filling valve (2)
1
Fig. 3
– select the "SUMMER"
l
operating mode by pressing and
holding the
y
button for at least 1 second. the value of the
delivery sensor detected at that moment will appear on the
display
– open one or more than one hot water tap. The boiler will work
at maximum power until the taps are closed.
Once the boiler has been commissioned in "SUMMER mode"
l
"WINTER mode"
n
can be selected by pressing and holding the
button
y
for at least 1 second. The value of the delivery water
temperature detected at that moment will appear on the display.
In this case it is necessary to adjust the air thermostat/s to the
required temperature or if the system has a chrono-thermostat,
check that this is "active" and adjusted.
1.4 Adjusting the heating temperature
If the heating temperature is to be increased or decreased, press
the button
t
followed by the buttons
>
or
<
until the desired tem-
perature is reached. The temperature can be set to between 20
and 80°C.
1.5 Adjusting the domestic hot water tempera-
ture
If the domestic hot water temperature is to be increased or de-
creased, press the button
r
followed by the buttons
>
or
<
until
the desired temperature is reached. The temperature can be set
to between 10 and 60°C.
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