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INSTALLER Section (en)
18.3 REPLACEMENT OF PARTS
Water-fumes exchanger
Fan
Gas valve
Gas nozzle
Burner
Flame sensing electrode
2
% value as indicated in the section
“COMBUSTION ADJUSTMENT FUNCTION (CO
2
% )”.
When working on the appliance, check the condition and position of the ame sensing electrode and replace it if necessary.
AUTOMATIC CALIBRATION FUNCTION
Before performing this function make sure there are no heat demands in progress.
Press and On
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, and
and appear on the display.During
When , and
Press ESC.
19. DISMANTLING, DISPOSAL AND RECYCLING
Only qualied technicians are authorised to service the device and system.
and system connections.
More than 90% of the materials that make up the appliance are recyclable.
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