37X INSTALLATION & OPERATION MANUAL
372/373 MODEL
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7. DISPENSER OPERATION
Operation of the dispenser is simple because many of the operations/functions are automated.
7.1 Freeze
To freeze the product down, press the up or down arrows on the keypad until the desired barrel is highlighted and then
press the RUN button. If the product is liquid, it will take 5 to 9 minutes per barrel (depending on temperature of product)
to complete the initial freeze cycle. Dispense two drinks to condition the barrel.
7.2 O
There are two options for turning off the dispenser. The first is to turn off one barrel at a time. To turn off, press the up or
down arrows on the keypad until the desired barrel is highlighted and then press the OFF button.
The second option is to turn off all barrels at the same time. To do this, press the red octagon button (with picture of a
hand) and then press the green check button to confirm.
7.3 Defrost
Sometimes a barrel needs to be defrosted for service or because the product quality is poor. In order for the barrel to
turn off after the defrost cycle, it must be turned off before the cycle starts; otherwise, it will return to the run mode after
defrosting. To start the defrost cycle, press the up or down arrows on the keypad until the desired barrel is highlighted and
then press the DEFROST button. It will take about eight to twelve minutes to defrost (depending on the activity of the other
barrel).
7.4 Drink Quality
NF*
Many factors can affect the quality of a frozen beverage such as time since last defrost, brand of syrup used, and the local
water quality. There can even be drink quality differences between the various flavors within a given brand. Because
of these factors, the dispenser drink quality settings are designed to be easily adjusted to compensate for these natural
differences or even to adjust the drink quality for personal preferences.
There are two settings that can be adjusted for each barrel to change drink quality: the FREEZE ADJUSTMENT, which
controls how frozen the drink is, and the EXPANSION ADJUSTMENT, which controls how much CO is injected into the
product. Both of these adjustments are electronic settings; therefore, no tools are required to make an adjustment. The
type of adjustment to make will actually be made based on the drink characteristic that needs to be changed. Please note
that a barrel that has been idle for hours, such as overnight, will produce a wetter, heavier drink. It is best to dispense
a drink or two to recondition the barrel before judging drink quality. Consider the condition of the product in the barrel
before making a judgement on the drink quality.
* Refer to Appendices for additional information on Nitrofub configuration.
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