Astoria SABRINA SAE DISPLAY Use And Maintenance Manual page 21

3.11.21 Steam wand (optional)
This system can be used for automatically heating and
foaming milk at the programmed temperature.
The operating principle is listed below:
Press the specific button (1), located on the left side
of the machine's base;
The solenoid valve opens (2) which consequently
allows the steam to flow from the heating unit to the
steam wand nozzle;
The system simultaneously activates the air suction
pump (6) which is controlled by the control unit (3)
and powered by the transformer (7). The milk froth
can be adjusted by changing the amount of air intake
when opening the valve (5);
After the air has passed through the non-return valve
(4), it mixes with the steam in the mixing interface
(10);
Steam comes out of the nozzle (8);
The probe (9) that is connected to the machine's
electronic control unit, detects the temperature of
the milk while it is being heated;
Once the set milk temperature has been reached, the
electronic system stops the air and steam from being
dispensed.
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TECHNICIANS manual
1
To adjust the milk temperature and froth, see para. 7.7 on page
30.
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