Section Four: Using The Cooktop; Using The Cooktop; Control Knobs; Burner Caps - Thermador PRDS304 Care & Use Manual

USING THE COOKTOP

Symbols used in this manual are as follows:
This refers to PRDS Dual-Fuel Ranges.
This refers to 12" Secondary Oven in the PRDS48
Dual-Fuel Ranges.
This refers to Convection Oven in the PRDS
Dual-Fuel Ranges.
SEALED BURNERS
BURNER
CAP
FLAME
SPREADER
STAR™ BURNER BASE
WITH IGNITER
The cooktop features four or six gas
surface star burners, each rated at
15,000 BTU/HR (4.4 kwh).
burners are sealed to the metal
top frame to prevent liquid spills
from penetrating below the top
surface. On all models, the two far
left burners are equipped with the
exclusive ExtraLow® feature, which
cycles the flame off and on to achieve
the lowest possible simmer setting.

BURNER CAPS

Burner Cap in Place with
Flame Spreader and Burner Base.
NOTE: For safe and proper
burner operation, be sure that
the porcelain burner cap sits
properly on the flame spreader.

CONTROL KNOBS

Standard Burner Control
Knob
The control knobs for the sealed gas
burners are positioned directly in
front of and below the corresponding
The
burners. There are graphics located
above each knob that identify whether
the knob controls the front or rear
burner. A solid circle indicates which
burner the knob controls. To operate
a burner, push in the desired control
knob, then rotate it counterclockwise
to the HI position. The igniters at all
of the sealed surface burners will
click, then the selected burner will
light. After flame ignition, the ignitors
will stop clicking. The knob can then
be rotated to any position between
HI and LO to achieve the desired
flame height.
burners, the LO setting is equivalent
to 2,200 BTU/HR (.65 KWh) and HI
is equivalent to 15,000 BTU/HR (4.4
KWh).
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SECTION FOUR: USING THE COOKTOP

This refers to the Grates and Sealed Top Burners
provided on all the ranges.
This refers to the Griddle available on some models.
This refers to the Grill available on some models.
For the two far left ExtraLow
burners, the corresponding control
knobs have additional markings
indicating that rotation of the knob
below the LO setting is possible.
Within this LO to XLO control
range, the flame is pulsed OFF and
ON for varying lengths of time to
enable simmering, poaching, melting
chocolate and holding cooked foods
at serving temperature. The XLO
setting is equivalent to 375 BTU/HR
(0.10 KWh) and is achieved by cycling
the flame ON for approximately 10
seconds and OFF for 50 seconds of
each minute. At a position just below
the LO setting, the flame will be ON
for approximately 50 seconds and
OFF for 10 seconds of each minute,
resulting in an output of 1,850 BTU/
HR (.54 KWh).
For the standard
®
ExtraLow Burner Control
Knob
NOTE: Whenever any con-
trol knob for the sealed sur-
face burner is turned be-
yond the OFF position, the
surface burner indicator light
located on the far left of the
control panel will illuminate.
®