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4
Main components
4.1
Coffee boiler
Each delivery group is equipped with a coffee boiler
(1) of limited capacity (1,2 litres).
These boilers provide hot water for the coffee.
Heat is provided by an
electric heating element
(2).
The boilers include a
temperature sensor (3)
and a safety thermostat (4).
4.2
Services boiler
I n s i d e t h e c o f f e e
machine, there is a services boiler (5).
This boiler provides steam and hot water for tea.
Heat is provided by an electric heating element (6).
The boiler includes a temperature sensor (7), a safety
valve (8), a level probe (9a) and a safety probe (9b).
9b
9a
6
!
Do not replace the heating element with a more
powerful one. Before making any modifications,
contact the manufacturer.
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4.3
Dispensing group
The dispensing group is composed as follows:
• the group body (1) is made up of a metallic block
which is hooked onto the coffee boiler (2);
• the activation of the motor pump and solenoid valve
(3) located on the side of the group allows the cold
water to enter the boiler (4), consequently the hot
water in the boiler is carried towards the delivery
3
group (5);
• the electrical cartridge heating element (6) installed
in the group is controlled by an electronic control unit
and allows the group to be heated at a programmed
temperature;
• the temperature sensor (7) detects the value of the
temperature of the group and sends it to the elec-
tronic control unit;
• the activation of the safety thermostat (8) prevents
risks if there is a failure in the electronic system
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Technical manual
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