9
IGNITION PROCEDURE
Turn the selector knob “A” to the “I”
position. The green L.E.D. “E” will
illuminate indicating that the boiler is
ready to operate. The centralised
electronic control unit will ignite the
burner, without any manual intervention
but in response to the request for
domestic hot water or heating. If, after
approximately 10 seconds, the burner
has not ignited, the boiler safety
devices will shut off the gas and the red
L.E.D. “G” illuminates. To reset the
ignition system, the reset “H” must be
pressed and released. Should the
boiler fail to ignite a second time, check
that the external gas cock is open. If
the problem persists, contact an
Authorised Service Centre.
WINTER AND SUMMER
OPERATING MODES
In the ‘winter operating mode’, the
boiler will produce both central heating
and domestic hot water. In the ‘summer
operating mode’, the boiler will produce
only domestic hot water.
Using the knobs on the control panel,
the user can select winter or summer
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