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GAGGIA UNICA
4.3.
Single microswitch
2
4.4.
Temperature sensor (adjustment)
An NTC is used as a temperature sensor; in the event of overheating this reduces boiler
element power consumption.
The electronic system detects the current boiler temperature from the drop in voltage of the
sensor and adjusts it accordingly.
Heating element values and corresponding temperatures: see table
Saeco International Group
1
Temp. (°C) R nom (kΩ)
20
61.465
50
17.599
75
80
85
90
100
125
150
The gearmotor is powered by a direct current
motor that engages with the smaller double
toothed wheel using a worm screw. The
unit is mounted on the axle of the large
gear wheel and when a coffee is requested,
it moves from the standby position to the
dispensing position, and then back to the
standby position again.
- Standby position: 1
- Dispensing position: 2
R (+/- %)
8.6
5.9
7.214
4.1
6.121
3.7
5.213
3.4
4.459
3.1
3.3
2.5
1.653
3.9
0.893
5.1
Rev. 01
04 OPERATING LOGIC
Page
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03
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