BORETTI CFBG902AN Instruction On Mounting And Use Manual page 186

GAS BURNERS (Dual)
The Dual Burner is a very flexible burner which allows different regulations and optimal
cooking.
It is composed by one inner and one outer crown; the flame of the inner crown can be
regulated separately from the flames of the outer crown.
The Dual Burner can be used:
turn the knob clockwise - as a small burner (flame produced only by the inner crown)
•
which can be adjusted from the maximum (


Intermediate operating adjustments can be achieved by positioning the indicator
between the maximum and minimum opening positions, and never between the
maximum opening and
• turn the knob
simultaneously by inner and outer crown) which can be adjusted from the maximum
( ) to the minimum (


Intermediate operating adjustments can be achieved by positioning the indicator
between the maximum and minimum opening positions, and never between the
maximum opening and
Gas flow to the burner is adjusted by turning the knob (illustrated in fig. 3.3) which controls
the valves.
Knob position
186
position.
anticlockwise - as a high-power burner (all flames produced
) position.
position.
Function
Closed valve
Maximum
crown (only inner flame at
the maximum
Minimum rate of inner crown
(only inner flame at the
minimum)
Maximum rate of inner + outer
crown (inside and outside
flames in simultaneously at
the maximum)
Minimum rate of inner + outer
crown (inside and outside
flames in simultaneously at
the minimum)
) to the minimum (
rate of inner
) position.
DUAL burner