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The 5 Beverage Functions
1. Prewash
2. Fill
3. Infusion
4. Steep
5. Dispense
Prewash - adding a small amount of water to wash the tea leaves (mostly darker teas)
a. Preparation water
b. Preparation vacuum
c. Fill
d. Purge no water
Fill - adding the correct temperature water to the brew cylinder
a. Preparation water
b. Preparation vacuum
c. Fill
Infusion - decreasing the atmospheric pressure of the brew cylinder
a. Vacuum
Steep - giving the beverage time to brew (fl avor extraction)
Dispense - expelling the beverage from the brew cylinder to the cup. By increasing the atmospheric pressure inside
the brew cylinder the check valve inside the purge valve is forced open allowing the brew cylinder to
empty
b. Purge no water
c. Blowout
Beverage functions will vary both in the number of times used and in the amount of time they are engaged. These two
variations are based on the programmed beverage recipe.
Sequence of Operations
Summary of Contents for Craft Brewer
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