11/2010 - Art. Nr. 4200 1029 8600A 17
- If the boiler heating
request is not present, the
boiler remains on standby.
In this case, it is still possible
to return to the previous
setting menu "Pre-setting
without flame". To do this,
position the cursor on the
symbol and confirm with
the button .
- If a boiler heating request
is present (T1-T2 contact
closed), the burner starts.
The air flap is opened to move
to the pre-ventilation position.
Pre-ventilation and pre-
ignition
The air flap switches to the
ignition position.
The fuel valve opens.
Awaiting flame signal
If no flame is detected at the
end of the safety time, the
control unit switches to
malfunction mode.
Flame detected
Flame stabilisation
The control unit awaits the
regulation authorisation.
Commissioning
Setting the flame
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