Espresso Coffee - BIANCHI VENDING BVM 901 LEISA Use And Maintenance Manual

ESPRESSO COFFEE

This process only occurs for the versions provided with an express
coffee group.
– the grinder is activated until it reaches the dose of ground coffee
set by the doser (Fig.3.11)
– the doser electromagnet is activated , causing the opening of the
door and consequent fall of the coffee into the brew chamber
– the rotation group geared motor brings it into the dispensing
position and simultaneously compresses the ground coffee
(Fig.3.12).
– the pump that dispenses the quantity of programmed water and
that is controlled by a specific electronic device, (volume meter),
withdrawing the water from the coffee boiler (Fig.3.13).
– the coffee group geared motor is activated again so as to bring
again into standby position; during this movement the used
coffee grounds are expelled (Fig.3.14).
The operational sequence (coffee grinding and release) may
occur in an inverse order according to the type of programming
involved.
Fig. 3.13
Fig. 3.12
Fig. 3.14
14
Fig. 3.11