espresso coffee machine - technician instructions
30
- english
R
18.5 AUTOSTEAMER SYSTEM OPERATION
Below is listed the operating principle of the autosteamer:
• press the appropriate button
(1)
placed on the base to the left of the machine;
• opening of the solenoid valve
(2)
with consequent flow of steam from the boiler to the autosteamer;
• simultaneously, the system activates the air pump
(6)
which is controlled by the control unit
(3)
and powered by a processor
(8)
.
The regulation of milk foaming can be made by changing the amount of air intake operating the valve
(5)
as indicated in par. 18.3;
• after passing through the non-return valve (
4)
, the air mixes with the steam in the "autosteamer interface"
(11)
;
• leakage of steam from the pipe
(9)
;
• the
probe
(10)
connected to the electronic unit of the machine detects the temperature of the heating milk;
• Once the set temperature of the milk has been reached, the electronic system blocks the flow of air and steam.
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