19
EN
6.3 PREHEATING
To avoid the effects of heat loss when the oven door is opened to place food inside it is advised to preheat to at
least 30 °C higher than the desired cooking temperature.
7. MECHANICAL OVEN CONTROL PANEL
Only models GRAFEN: 223819, 223796, 223772,
223758, 223734
K1 Thermostat
knob
K2 Steam
knob
K4 Timer
knob
L1 Thermostat
light
L2 Humidifi cation Light
B11 Speed regulation
TIMER KNOB
When manual is selected, the oven stays on until
someone turns it off.
When a certain value is selected, the oven stays on
for that time (120 minutes maximum).
THERMOSTAT KNOB
This knob allows selecting the desired coking tem-
perature.
THERMOSTAT LIGHT
This light is on when the oven heating elements are
on therefore the temperature in the cooking cham-
ber is less than that set by the thermostat dial.
When the light goes off it means that the heat is
off and that the cooking chamber has reached the
set temperature.
STEAM KNOB
This knob allows activating the moisturizing func-
tion and it can be regulated from minimum to max-
imum in the clockwise direction.
WARNING: Satisfactory operation of the moistur-
izing function requires that the temperature of the
thermostat be set at least at 80-100°C. Steam is not
produced at low temperatures in the oven and the
majority of water in the oven fl ows into the drain.
Furthermore, good vapour cooking required pre-
heating the oven to the desired temperature before
activating the vapour supply.
K4
K1
K2
L2
L1
HUMIDIFICATION LIGHT
When it is on it means that water is fl owing into
the cooking chamber to produce steam. This takes
place irrespective of temperature (the operator
must check that the temperature is high enough to
cook effectively).
SPEED ADJUSTMENT
The oven fan/motor has two speed levels. Press the
button and enter the speed required:
• 1 means that the motor is at its maximum speed.
Used for most cooking methods.
• 2 means that the motor is at its minimum speed.
Used especially to cook delicate dishes, such as
pastries.
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