7698967.01 (1-01/18)
38
INST
ALLER Section
(en)
12. INITIAL IGNITION - SPECIAL FUNCTIONS
When the boiler is powered up, the code “311” appears on the display and the boiler is ready for “initial ignition”.
Follow the procedure “GAS EXTRACTION FUNCTION” as described in the section below and enable programme 312.
After this operation, the boiler is ready to ignite the burner.
During this phase it is recommended to keep the pressure in the system at a value between 1 and 1.5 bar.
12.1 SYSTEM GAS EXTRACTION FUNCTION
This function is used to facilitate the elimination of the air inside the heating circuit when the boiler is first installed or after
maintenance when the water is drained from the primary circuit.
To enable the system gas extraction function press buttons
together for 6 seconds. When the function is active,
On
appears on the display for a few seconds, followed by programme row
312
.
The electronic board will activate a pump on/off cycle lasting 10 minutes. The function will automatically stop at the end of the
cycle. To manually exit this function, press the above buttons together for 6 seconds once again.
12.2 CALIBRATION FUNCTION
To calibrate the gas valve, proceed as follows:
• Press buttons
and
together for at least 6 seconds. When the function is enabled, the displays shows “
On
” for a few
seconds followed by programme row “
304
” alternated with the % of boiler power.
• Press
to gradually adjust power (sensitivity 1%).
• To exit press both buttons together for at least 6 seconds, as described in point one
Press
to display the instantaneous flow temperature for 15 seconds.
12.3 CHIMNEY SWEEPER
When this function is enabled, the boiler generates maximum heating power. To enable the function, proceed as follows:
• press
together for 6 seconds. The display shows "
303
" alternated with the power output of the boiler.
• Press
and
to adjust boiler power
1
=minimum,
2
=maximum DHW,
3
=maximum heating.
• To interrupt the function repeat the procedure described in point one.
13. FAULTS THAT CANNOT BE RESET BY THE USER
In case of
FAULTS
that cannot be reset by pressing
(such as E151 or exceeding 5 manual
RESET attempts by the user) RESET the board by pressing the black button (
R
) located
under the rubber cap (symbol
) of the front control panel (figure to side).
14. PARAMETERS SETTING
To programme the parameters of the boiler electronic board, proceed as follows:
• Press
together and hold them down for 6 seconds until programme row “
P02
” appears on the display alternated with
the set value (°C);
• Press and hold down for 6 seconds until "
On
" appears on the display. Release the button and "
P01
" appears on the display;
• Press
to scroll the list of parameters;
• Press
, the value of the selected begins flashing, press
to change the value;
• press
to confirm the value or press
to exit without saving.
Further information concerning the parameters listed in the following table are supplied together with the required
accessories.
(a)
(b)
ZONE 1 HEATING PARAMETERS (main zone)
Factory setting
P01
700
*
Operating mode (0=Frost Protection, 1=Timed, 3=T.comfort)
-
3
P02
712
*
Reduced ambient temperature
°C
16
P03
720
*
“Kt” curve slope
-
1,5
P04
721
*
“Kt” curve drift
-
0
P05
726
*
“Kt” curve adaptation (0=off)
-
1
P06
740
Flow temperature setpoint (minimum value)
°C
25
P07
741
Flow temperature setpoint (maximum value)
°C
80
P08
742
*
Enable modulating temperature if set = “---”
°C
80
P09
750
*
Room influence (“---” = disabled)
%
50
P10
834
*
Opening/Closing speed of mix valve
S
30
