Bunn Silver JDF-4S Installation & Operating Manual page 16

Product Adjustment
1. Adjust the water flow as described in Water Flow Testing and Adjustment.
2. Place an empty container under the appropriate dispense nozzle.
3. Press and hold the "Product Dispense Switch", until water and concentrate begin flowing freely from the dispense nozzle.
4. Discard the product caught previously and place the empty container back under the dispense nozzle.
5. Press and hold the "Product Dispense Switch" until the cup is filled.
6. Stir the contents of the cup, and use the refractometer (according to the manufacturer's instructions) to check the brix %.
7. Adjust the pump speed (down to decrease the brix %; up to increase the brix %) to achieve the correct brix % as described
in Pump Speed Adjustment.
Optional Cold Water Flow Adjustment
Some dispensers are equipped with an optional cold water dispense valve. It is recommended to adjust the flow rate upon initial
set up of the dispenser. The adjustment for the cold water can be located inside the dispenser behind the right service panel.
The cold water dispense valve is mounted to the frame just above the ice bath. Attached to this valve is a needle type adjustment
valve. Turn the adjustment clockwise to decrease the water flow, and counter-clockwise to increase the water flow.
Dispenser Lockout
Dispense functions of the dispenser can be turned-off to prevent unauthorized use of the dispenser, while keeping
the refrigeration system running.
1. Early models has the Dispense Lockout switch at the bottom front of the dispenser behind the drip tray. Later
model juice dispensers has the Dispense Lockout switch located on the rear side of the cabinet door at the
top.
2. Place the switch in the OFF position to prevent dispensing.
3. Place the switch in the ON position to allow dispensing.
NOTE: This switch will also operate the door lights on models equipped with this feature.
ADJUSTMENTS AND OPTIONAL SETTINGS
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