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8 - BREWING UNIT CONTROL
8.1 - BAR L MODEL
Machine with lever-operated brewing units.
BAR L Model
Coffee is brewed by manually operating the unit lever (26) down-
wards, up to the point in which it stays in place; as soon as coffee
starts pouring out of the filter-holder spouts (22), manually move the
lever upwards until it is half-way up, and then release it.
The machine does not employ a motor-driven pump and is not equip-
ped with an automatic level indicator for automatic boiler control;
this can however be provided for on request.
8.2 - BAR S MODEL
This is a microswitch-operated model equipped with semiautomatic,
continuous delivery brewing units.
BAR S Model
Coffee delivery is obtained by operating the brewing unit control
handle (17) placed on the panel (4); by moving the handle down-
wards, the connected microswitch activates the motor-driven pump,
which conveys water under pressure to the unit, which, thanks to its
internal devices, will allow pre-infusion first and subsequently coffee
brewing in a number of different modalities.
Once the desired amount of coffee has been obtained, move the
handle (17) upwards, until it reaches its stop position, and press the
luminous switch again to stop delivery.
8.3 - BAR M AND HOTEL M MODELS
These models are equipped with semiautomatic, continuous delivery
brewing units with solenoid valve.
BAR M Model
HOTEL M Model
Coffee delivery is obtained by pressing the luminous switch (17)
placed on the control instrument board (18).
The switch will start the motor-driven pump for the delivery of water
under pressure, and also a solenoid valve designed to open the unit
and allow the water (which will have been adequately heated) to wet
the ground blend and obtain a pre-infusion before brewing.
Once the desired amount of coffee has been obtained, press the
luminous switch again to stop delivery.
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26
22
27
13
13
17 18 15
17 18
20
27
20
17 4 27
11
13
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