Special Functions; System Gas Extraction Function; Calibration Function; Chimney Sweeper - Baxi LUNA DUO-TEC MP 1.90 Manual De Uso

12. SPECIAL FUNCTIONS

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 mainte-
nance when the water is drained from the primary circuit.
To enable the system gas extraction function press buttons
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
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.
to adjust boiler power 1=minimum, 2=maximum DHW, 3=maximum heating.
• Press and
• 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
RESET attempts by the user) RESET the board by pressing the black button ( R) located un-
der the rubber cap (symbol

14. PARAMETER SETTINGS

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
• press to confirm the value or press
Further information concerning the parameters listed in the following table are supplied together with the required acces-
sories.
7104645.02 (1-01/12)
together for at least 6 seconds. When the function is enabled, the displays shows "On" for a few
(such as E151 or exceeding 5 manual
) of the front control panel (figure to side).
to exit without saving.
together for 6 seconds. When the function is active, On appears
to change the value;
32