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The central computer server will contain all logic needed to control all
aspects of the drink machine. Logic includes; processing server station
request, accessing mixed drink database and controlling all station and
dispenser support hardware.
Each server station will feature a touch screen terminal interface (12"
minimum) and a drink dispenser. The terminal will perform all standard
Point of Sales (POS) system actions in addition to controlling the EDM.
Standard POS functions include: pricing information, sales routines and
receipt printing. The Server station will accept requests to make drinks
via the bartender (referred to as the operator). The operator must enter
their unique ID before using the EDM. Once The ID is entered it is valid
for all future operations unless changed by a different operator. The
operator then can enter a mixed drink by navigating a menu using the touch
screen terminal (Attachment C1) Once entered the central server processed
the request and performs the necessary actions to dispense the drink.
Every operation performed at the terminal is recorded and available for
later use. The number of terminals is based on the number needed per
installation.
The drink database will be stored on the central server. It will contain
all know mixed drink combinations by the manufacturer at time of
manufacture and will be updateable. The database can be temporarily
updated by the operator during use, and will be permanently be updated
periodically or during required maintenance.
The drink dispenser will contain all mechanisms needed to properly
dispense mixed drink ingredients. The dispenser will be of standing type,
requiring the operator to place the holding container underneath during
dispensing. In addition to drink dispensing the dispenser will feature a
cleaning feature, which will assist in cleaning. Cleaning is mentioned
later.
The drink dispenser support hardware is all of the hardware needed to
assist the drink dispenser. This includes an array of high-pressure tubing
and valves, reversible pneumatic compressors and various operation
indicators.
The drink ingredients are dispensed using air pressure. Air is pushed into
the bottle forcing the liquid out. The central server determines the
amount of pressure needed per operation. In order to achieve pouring
ingredients accuracy (determined start and stop times) a solenoid operated
valve system is used at the server station dispenser. Every high-pressure
tube and pump contains pressure and flow gauges, allowing for system
tuning during installation.
The actual source ingredients will be stored a fixed distance away into
two different storage areas. One area designated for cold /chilled
beverages and the other for those at room temperature. During installation
lines can be configured as cold lines. In which at the server station
dispenser they are sent though a cold valve array, causing the contents of
the line at the dispenser to arrive cold. The EDM will feature a mechanism
to reverse lines before long periods of non-use and reenter ingredients
into their respective bottles.
Internal system cleaning and sanitization is handled by cycling water and
then sanitizer through all system lines. This operation is invoked
manually and carried out semi-automatically requiring some operations to
be completed by the operator. The operator must handle all external system
cleaning. This includes: cleaning and sanitizing all external surfaces.
The operator will not perform required maintenance of the system. A
qualified EDM maintenance office will perform all maintenance. In the
event of a system failure or exceeding tolerances, all systems and
stations will be automatically shut down. The system will perform a system
check and be restarted if passed. If the system check fails repeatedly and
cannot be resolved by the operator, the system will remain down until
serviced.
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