32
7 COMMISSIONING
7.1
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 water
system are open
– the pump impeller rotates freely
– the siphon has been filled.
7.2
Before commissioning
After having carried out the preliminary operations, proceed
as follows:
– set the main system switch to "ON"
– the type of gas for which the boiler has been calibrated, “nG”
(methane) or “LG” (LPG,) will appear followed by the power.
Finally “- -”will appear on the display
– check that the system pressure as shown when the system
is cold , is between 1 and 1.2 bar
– press the button
Y
once for at least 1 second to select
"SUMMER mode"
l
. the value of the delivery sensor
detected at that moment will appear on the display
7.2.1 Self-calibrating procedure
Carry out the "Automatic self-calibrating procedure" as
follows:
– press button
r
and set the DOMESTIC HOT WATER SET to
maximum using the button
>
– press and hold down the buttons
<
and
>
at the same time
for approximately 10 seconds until the flashing symbols
l
and
n
appear on the display
– as soon as the symbols begin to flash, release the buttons
<
and
>
and press the button
y
, within 3 seconds
– the "Automatic self-calibrating procedure" starts
– to dissipate the heat , tun on one or more DHW taps
– the values flash on the display: “100” (maximum value),
followed by an "intermediate value" and finally “00”
(minimum value)
It may take up 15 minutes for the "self-calibrating procedure"
to end and the message "SUMMER mode"
l
to reappear on
the display Once the procedure has terminated:
– close the taps opened previously and check that the
appliance shuts down.
if there is a fault, the message “ALL” will appear on the display,
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 performed up to a maximum of 6 times without
the "self-calibrating procedure" being interrupted.
– press the button
Y
once for at least 1 second to select "WINTER
mode"
n
. The value of the heating water temperature
detected at that moment will appear on the display
– operate the heating controls and check that the boiler starts
and operates correctly
– using the procedure shown in section"Chimney sweep
function"complete inlet working gas pressure test and a
flue gas analysis.
