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Program unit
Description
The program unit is electronic and comprises a
circuit board containing microprocessor, pro-
gram memory, current regulating circuits, tem-
perature and level control, etc.
The program unit receives its power from a se-
parate voltage unit.
The program unit receives information from the
temperature sensor, door lock and level swit-
ches. There is also a serial interface to the motor
control.
The program unit controls the water and drain
valves and the heating via the I/O board, door
closing/opening via a drum module and the mo-
tor via the motor control.
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2
1. Program unit A1
2. Temperature sensor B1
3, Level switch B2
4, Level switch B4
5. Display A2
6. Heater element E1 -3
7. Motor control U1
8. Rotation sensor B3
9. Door lock module A41
10. Voltage unit A5, PSU
11. I/O board
12. Watervalves
13. Drain valve
14. Power supply
Program unit