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TECHNICIANS manual
ENGLISH
2.6.14 Volumetric dispensing
The volumetric dispens-
er installed on EVD-DISPLAY
versions serves the purpose
of measuring the quantity
of water sent to the group
for coffee dispensing.
The dispenser generates
electrical impulses which
are sent to the electronic control unit.
These impulses are read by the control unit and
counted during the programming of the dose.
The flashing LED light (
4
) indicates that the electrical
impulse has been sent from the dosing device to the
control unit.
2.6.15 Electronic push button panels
The electronic push button panels on EVD-DISPLAY
versions allow selection and programming of the coffee
doses. They are connected to the electronic control unit.
For use and programming see the user manual.
2.6.16 Cup heater
The cup heating device is for heating cups before
they are used.
In some versions it is possible to adjust the tempera-
ture by following the instructions on the user manual.
4
2.6.17 Hot water nozzle
The hot water nozzle is connected to a suction pipe
of the boiler. Depending on the model, hot water can be
supplied in two ways:
t
Manually: by turning the adjustment knob on the
front of the machine;
t
Automatically: by selecting a button connected to a
solenoid valve.
2.6.18 Steam nozzle
The steam nozzle is connected to the top of the boiler.
Depending on the model, steam can be supplied in two
ways:
t
Rotary knob: by turning the adjustment knob on the
front of the machine;
t
Lever knob: the steam is supplied through the hori-
zontal or vertical movement of the knob.
OFF
Automatic
return
Automatic
return
Shutdown
Shutdown
2.6.19 Cappuccino maker (optional)
The cappuccino maker is installed on
a steam nozzle. This device allows to both
heat and foam the milk.
For adjusting and cleaning, follow the
provisions in the user's manual.
Summary of Contents for 1GR Series
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