Douwe Egberts Cafitesse 700, Back Office Manual

Page: 249 / 265

July 2004
5K - 18
Functions - Power supply unit
and control system
• Activation of two cooling/dosing units is
carried out via the module C board.
• The following items are activated via the
36-pin plug PX5 (1, Fig. 1):
-
2 B2 or B3 coils with empty detection,
middle and right-hand
- 1 Peltier element, middle and right-hand
- 2 mixing units, middle and right-hand
- trough lid detection system
- 2 touch switchover systems
- temperature detection system - cooling
compartment
- door-open sensor – cooling compartment
• In addition, voltage is supplied and data
exchanged. (Fig. 1)
• This circuit board is equipped with its own
processor including a rewritable memory.
Software updates can be carried out by
using a special programming adapter when
connecting a notebook or by replacing the
circuit board.
• Voltage conditioning for power supply of the
B2 coil (19.75 V), Peltier and Peltier
standby is carried out in the top section (2)
of the circuit board. (24 V/9.7 V) (Fig. 1)
K.3.9 Function: circuit board – module C
Fig. 1
1
2
Cafitesse 700 - Functions - power supply and control system