05.23. boiler
05.24. boiler pumps
05.25. electronics
05.25.a. CPU
05.25.b. keyboard p.c.b.
attention
these components may be very hot even if the machine is off;
boiler with all active elements (heating element, thermal
protections, temperature sensor, pumps) fastened to the cover;
pumps with turbine immersed in the boiler water; water is
conveyed in two tubes feeding mixing bowls; attention to the
polarisation of motors (see 03.10.);
the water quantity of instant selections is established by the time
set in the “water N” parameter (see 09.01.a.);
the CPU board is intended to govern the machine operation; it is
the place of location of machine programs and it is secured to the
frame by means of four board supports; the selection keyboard
cable provides for the signal exchange with the keyboard
(see 05.02.) and with the flash key housing (see 05.18.) arranged
inside the door; the temperature probe cable is separated from the
machine wiring to avoid hampering the removal of the probe;
the keyboard p.c.b. secured on the cover is connected to the CPU
by means a flat cable;
1
2
P1
P2
level probe
level probe
water inlet
water outlet 2
water outlet 1
temperature probe
clicson
pump
name sw
outlet
P1
water 1
mixing bowl 1
P2
water 2
mixing bowl 2
selection keyboard
heating element supply
fuse 5 V dc
IN 230 V ac
temperature probe
fusibile 24 V dc
MAN1890105 rel. 02 dated 08.03.2017
page no. 17 of 38
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