79
EN
3 COMMISSIONING
3.1
Preliminary operations
Before commissioning the appliance, check that:
– the type of gas is correct for the appliance
– the gas isolation valves for the heating system and the wa-
ter system are open
– the system pressure as shown on the pressure gauge when
the system is cold , is between 1 and 1.2 bar
– the pump impeller rotates freely.
3.2
Before commissioning
After having carried out the preliminary operations, perform
the following to start the boiler:
– set the main system switch to "ON"
ON
Fig. 30
– the type of gas for which the boiler has been calibrated, “nG”
(methane) or “LG” (LPG,) will appear followed by the power.
After this the correct representation of the symbols will be
checked and finally “- -”will appear on the display
– press the button
Y
once for at least 1 second to select "SUM-
MER mode"
l
. 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.
– if there is a fault, the message “ALL” will appear on the dis-
play, the fault code (eg. “06” - no flame detected) and the
message
d
.
m
CAUTION
To restore the start conditions press and hold the
button
y
for more than 3 seconds. This operation
can be carried out no more than 6 times.
– close the taps opened previously and check that the appli-
ance shuts down
– press the button
y
once to select "WINTER mode"
n
.
the value of the heating water temperature detected at that
moment will appear on the display
– adjust the air thermostat and check that the boiler starts
and operates correctly
– to check that the pressure in the network and the nozzles
are correct, the procedure described in section "must be
carried outChimney sweep function".
3.3
Parameter setting and display
To go into the parameter menu:
– from the selected mode (eg. WINTER)
– press the buttons
r
and
t
(for approximately 5 seconds)
at the same time until “PAR 01” (parameter number) and the
value set (0-4) appears on the display
Содержание Brava Slim 25 BF
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