Saeco Aulika SUP040R, Service Manual, Page: 26 / 56

AULIKA 04 OPERATING LOGIC
Rev. 00 / July 2012 Page / 07
The temperature sensor is an NTC which, in case of excess temperatures, reduces the resistan-
ce absorption.
The electronics recognises and regulates the actual temperature of the boiler through a voltage
reduction.
Resistance values and their corresponding temperatures: see table
4.7. Temperature sensor (adjustment)
Temp. (° C) R nom (kΩ) ΔR (+/- %)
20 61,465 8,6
50 17,599 5,9
75 7,214 4,1
80 6,121 3,7
85 5,213 3,4
90 4,459 3,1
100 3,3 2,5
125 1,653 3,9
150 0,893 5,1
4.6. Single Microswitch
The gearbox is operated by a direct current
motor that acts on the smallest double too-
thed wheel through a worm screw.
The assembly is mounted on the axle of a
large toothed wheel and, when a request for
coffee must be addressed from idle mode, it
moves to the delivery position and then goes
back to the idling position.
- Idling position: 1
- Delivery position: 2
2
1
05