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28. HOW TO MAKE THE PERFECT COFFEE
Obtaining a good cup of coffee is the result of certain conditions: the 5 golden rules of perfect espresso:
MIX / GRINDER / MACHINE / HAND / and MAINTENANCE.
The Mix:
o The type of coffee is very important. It can be distinguished 2 mains qualities:
It gives a fragant taste, sweet, chocolaty, slightly acid, with a pleasant bitterness. The coffee
color is hazelnut cream
It gives a less fragrant taste, rough, astringent and significantly more bitter. The caffeine
content is about twice. The coffee color is greyish brown.
o The roaster has a great importance on the quality of each coffee (choice of grain,
selection processes, roasting, packaging processes, ...).
The Grinder:
The grinder and the grind adjustment are essential:
o The coffee grinder:
grinding capacity of the coffee beans must be commensurate with the needs of the
user. Indeed, excessive use causes overheating of the mill wheels and thus a rapid
realignment of the mill.
o The grind adjustment:
setting the mill to choose the fineness of the grind and the right dose required to
achieve optimum coffee. The dose should be adjusted to 7 grams for a cup; finesse
should allow a flow time of coffee in the cup about 20 - 25 seconds: this time ensures
the dissemination of flavors in the cup.
The Machine:
It must be well adjusted and kept very clean !
o Pump Pressure limited to 0,9 MPa.
o Water temperature out of the shower must be between 86 °C and 92 ° C
o Correct programming doses.
o Daily cleaning performed every evening.
o Ensure that the water treatment is operating well.
o Follow the maintenance recommendations
Edition 06/2019 - CC200 Display - TECHNICAL DOCUMENTS - page 53
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