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The main components of the Barista are the
following:
Boiler:
Contains hot water and steam. Water needed
to brew coffee is not taken from the boiler but
from the heat exchanger (see below).
Coffee Delivery Group and Heat Exchanger:
This is the component where the filter holder
is inserted. The hot water goes to the delivery
group. This is where the pre-infusion, infusion
and brewing process of the coffee begins. The
heat exchanger is located inside the boiler and
its purpose is to heat up the fresh water co-
ming from the internal tank to the correct tem-
perature.
Heating Source:
An electric heater heats the water in the boiler.
Electric Pump:
This component is used to increase the water
pressure to the correct water pressure nee-
ded for espresso coffee preparation, which is
9 bar.
Steam Valve and Wand:
This valve delivers hot steam for milk frothing
as well as for heating water and other drinks
(cocoa, tea…).
Hot Water Faucet:
This faucet delivers hot water to prepare hot
drinks such as tea, cocoa, etc..
Control and Monitoring Devices:
1. Pressure gauge - Indicates the boiler
pressure.
2. Pressure switch - This is used to keep the
water boiler temperature constant by con-
trolling the heating elements based on the
boiler pressure.
3. Electronic Control Unit (ECU): Electronic
circuitry used to monitor and control the
internal tank water level, as well as to ad-
just the delivery quantities automatically
via the programmable touch-pad.
Technical Description
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