Animo OptiFresh Bean Touch, Service Book

Page: 34 / 136

34 2017/09 Rev. 0.0
OptiFresh (Bean) Touch
3.4.1 Operation
After making a fresh brew drink selection the following process starts:
Position Action
Start 1
The piston leaves the start (home) position.
ground coffee and hot water is dispensed to the brewer chamber.
Pause 1
The piston stops just above the outlet. Coffee and hot water is still dispensed.
Start 2
The piston continues moving upwards, forcing air through the coffee grounds and water.
The agitation created by the forced air mixes the coffee and water together, starting the
extraction process.
Pause 2
Once the piston reaches its highest position, it pauses to allow more contact time be-
tween the coffee grounds and water. This contact time increases the extraction from the
coffee grounds.
Start 3 The piston then starts moving downwards, creating a vacuum in the brewer cylinder.
Pause 3
When it is just above the pour spout area of the cylinder, the piston then pauses. This
pause allows the vacuum created in the cylinder to pull the liquid (brewed coffee) through
the coffee grounds and through the filter screen at the top of the cylinder, and leaves the
residue ‘dry’ behind on the filter.
Start 4
The piston then moves down just below the pour spout area, dispensing brewed coffee
into the user’s cup. At the same time, the brew chamber lifts and a rubber wiper moves
from the right side of the chamber, to the left side.
Pause 4 The coffee is now dispensed to the cup or jug.
Return
to start
The brew chamber lowers slightly to bring the wiper onto the top surface of the cylinder
and filter screen. The wiper then moves across the top of the cylinder (and filter screen)
wiping the used coffee grounds off the right edge on the cylinder and into a waste con-
tainer. The brewer then moves back to the home (starting) position. The brew chamber
moves down (closing) to create a seal between the bottom of the chamber and the top of
the cylinder. The brewer is ready to repeat the process for the next drink.
The maximum capacity of this brewer is approximately 240 ml (8 oz.). Do not attempt to
exceed this value as doing so may create flooding/overflow problems with the brewer.
Pause 1 Pause 2 Pause 3 Pause 4
retrun to start start
position
Start 1
Start 2
Start 3 Start 4