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PREINFUSION
The digital preinfusion can be set, that is
the machine delivers water for a time that
can be set (time ON), stops for a period
that can be set (time OFF), and then con-
tinues the delivery. By selecting the digital
preinfusion ON, the following parameters
can be changed (gravimetric version):
1.
Pour time OFF: In the total pour time
count the pour time OFF set can be
included (ON) or excluded (OFF);
2.
Preinfusion Time ON: It sets the
pour starting time, when the coffee
pad gets wet. It changes from 0.5 to
3 seconds with 0.1 second interval.
3.
Preinfusion Time OFF: It sets the
pause time before the pouring con-
tinues. It changes from 2 to 8 sec-
onds with 0.1 second interval.
Time ON
T ON
T OFF
T ON
T OFF
Gravimetric version only
SCALE CALIBRATION :
The calibration function was added to
have an univocal correspondence with a
external, potential scale of reference.
Select the group to calibrate.
Scales calibration
Select group calibration
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Press the rotary switch to select the group
to calibrate.
1. Rotate the rotary switch to increase/
reduce the calibration;
2. Select a 100 g delivery of coffee.
In the first case, just rotate the rotary
switch up to the required value.
EXAMPLE: The external scale always reads
two grams more than the dis-
Machine settings
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played value: the calibration
value must be set at 98 g.
Time OFF
T DOSE
T DOSE
In the second case, carry out a specific
pouring, as follows:
1. the tare of a container of at least 120 g
with the external scale.
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2. Insert some coffee in the filter holder
and put the container on the grid.
3. Confirm the calibration.
Scales calibration
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Weight adjust
100.0
Start calibration delivery
Scales calibration
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Weight adjust
98.0
Scales calibration
Weight calibration
Confirm operation?
The machine will deliver up to 100 g.
The value shown may be slightly larger.
At this point, check the correspondence
between the value shown on the group (e.g.
102) and the reference one of the external
scale (e.g. 104). The difference must be
added to the value displayed on the
machine, then set the calibration to 102 g.
to improve the accuracy of the system.
Scales calibration
Weight adjust
102.0
TARE SCALE (gravimetric only)
During the set time of "Tare Scale", the
machine continuously calibrates the
weight of the cup on the grid.
At the end of the set time, the machine
starts weighing regularly. This parameter
varies between 0.5 and 5 seconds in 0.1
steps.
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