6
The water coming from the water supply by a motor pump with a pressure
ranging from 9 to 10 bar, passes through an overpressure valve set to 12 bar.
From the volumetric meter, controlled electronically, the water goes into the
boiler by means of exchanger.
The boiler water heated by a resistance, heats in its turn the water in the
exchanger, which, by means of a suction lift allows a constant temperature .
From the exchanger, the water goes directly into the group which, by an electric
valve controlled electronically by a push-button panel, allows the water to get in
for the coffee infusion.
(Refer to fig. 1)
For the description of the controls, refer to the table of the inside back cover of
this instruction booklet.
The espresso machine DE MBM01 is produced in different versions from 1 to 4
groups.
Starting from 2-group version, resistances with power above 3000 W (except
the versions feeded by 110-120 V 50-60 Hz) can be supplied, on request.
This handbook describes the 2-group version; however, use instructions and
control panel apply to the other versions too.
CHAPTER 3
DESCRIPTION OF THE MACHINE
3.1 Machine operating cycle
3.2 Controls Description
3.3 Specifications
