34
7.9
automatic calibration procedure
this procedure MUst Be CaRRieD oUt after replacing:
– the nozzles for gas conversion
– the gas valve following a fault
– the electronic board following a fault
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 which mUst be carried out after:
– changing the gas valve following a fault
– changing the the electronic board following a fault.
– press 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 “1” (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 "ts 4.9"
– press the button
o
to confirm (approximately 3 seconds)
and access the default value which is flashing
– press the button
>
or
<
to set the valueat “49”
– press the button
o
to confirm the modification the value
will stop flashing
– keep the button
>
pressed and scroll through the parameters
until reaching parameter "ts 7.0"
– press the button
o
to confirm (approximately 3 seconds)
and access the default value which is flashing
– press the button
>
or
<
to set the value at “5”
– press the button
o
to confirm the modification the value
will stop flashing
– exit the parameter section by pressing and holding down
the buttons
<
and
o
at the same time (approximately 5
seconds) until the delivery temperature is displayed.
m
important
to complete this task the user mUst carry out the
following procedure.
