• Water-fumes exchanger
• Fan
• Gas valve
• Gas nozzle
• Burner
• Flame sensing electrode
"
Press
and
after pressing the previous buttons).
If the display indicates "303" the Automatic Calibration function has not been activated. Disconnect the boiler from the mains
power supply for a few seconds and repeat the procedure.
When the function is enabled,
When
,
and
Press
and system connections.
More than 90% of the materials that make up the appliance are recyclable.
7651561.02 (1-03/16)
% )".
2
and
ESC.
42
% value as indicated in the section
2
On
and
appear on the display.During