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14
7.8
Automatic calibration procedure
This procedure MUST ALWAYS be performed when the appli-
ance is first turned on, when the gas is changed and after re-
placing:
– 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 pan-
el has been brought forward and down and that the
points (6) and (7) of the gas valve have been connect-
ed 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 ("Sum-
mer" mode
l
with hot water valve closed or "Win-
ter"
n
with air thermostats open)
– the adjustments described below must be carried out
in sequence.
1
Fig. 46
6
7
Fig. 47
Procedure valid for GAS CONVERSION
– go into the parameter section by pressing the buttons
o
(approximately 5 seconds) at the same time until "tS" (in-
staller) appears on the 2 digits of the display which alternate
with "0.1" (parameter number) and a "2" (set value)
holding the buttons
>
NOTE:
scrolling movement. Pressing the button
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 mod-
ification. 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 press-
ing the buttons
<
and
o
same time until "tS" (installer) appears on the 2 digits of the
display which alternate with "0.1" (parameter number) and a
(set value)
"2"
– 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
<
or
<
increases the speed of the
<
allows the user to
(approximately 5 seconds) at the
and
71
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