Smeg ALFA135XB - Manual (Page 15)

Additional instructions for steam ovens
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7.3 Use of the oven
Warnings and general suggestions
To prevent any problems that could be caused from the steam in the
oven, open the door in two stages: keep the door ajar (about 5-6 cm) for
4-5 seconds and then open it fully.
N.B. The fan, oven elements and steam supply are all disconnected
automatically when the door is opened.
7.3.1 Steaming foods
STEAM DISTRIBUTION KNOB
On pos. 1
(max. 10 sec. a time)
THERMOSTAT KNOB BETWEEN 150° AND 250°C
TIMER KNOB
No steam is created at temperatures lower than 150°C: temperatures
below 150°C give rise to condensation and consequent dripping.
Therefore, turn the thermostat knob to 150°C and wait until the (orange)
thermostat indicator light switches off before opening the steam supply.