52
IT
EN
3.8
Automatic calibration procedure
This procedure MUST ALWAYS be performed when the appliance
is first turned on, when the gas is changed and after replacing:
– the nozzles for gas conversion
– the gas valve following a fault
– the electronic board following a fault
– electrode
– fan
– burner
and is necessary so that the new components can be identified
and can communicate with those already fitted on the boiler.
m
CAUTION
Considering that:
– the front panel has been removed, the control
panel has been brought forward and down and that
the points (6) and (7) of the gas valve have been
connected to the pressure gauges
– 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
l
with hot water valve closed or
"Winter"
n
with air thermostats open)
–
the adjustments described below must be carried out
in sequence.
6
7
Fig. 36
Procedure valid for GAS CONVERSION
– go into the parameter section by pressing the buttons
<
and
o
(approximately 5 seconds) at the same time until
"tS"
(installer) appears on the 2 digits of the display which
alternate with
"0.1"
(parameter number) and a
"2"
(set value)
NOTE:
holding the buttons
>
or
<
increases the speed of the
scrolling movement. Pressing the button
<
allows the user to
scroll through the previous parameters.
– keep the button
>
pressed and scroll through the parameters
until reaching parameter "0.3"
– press the button
o
to confirm (approximately 3 seconds) and
access the default value which is flashing
– press the button
>
and select "1" (LPG)
– press the button
o
for at least 3 seconds to confirm the
modification. the value will stop flashing.
Procedure which MUST be carried out after:
–
the nozzles for gas conversion
–
changing the gas valve following a fault
–
changing the the electronic board following a fault
–
electrode
–
fan
–
burner
– go into the parameter section (if not already there) by pressing
the buttons
<
and
o
(approximately 5 seconds) at the same
time until
"tS"
(installer) appears on the 2 digits of the display
which alternate with
"0.1"
(parameter number) and a
"2"
(set
value)
– keep the button
>
pressed and scroll through the parameters
until reaching parameter "tS 4.9"
– press the button
o
to confirm (approximately 3 seconds) and
access the default value which is flashing
Summary of Contents for 24 OF
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