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Water Flow Testing and Adjustment
NOTE: Purge all dispense stations to remove air from water line before
making initial adjustments.
1. Place a graduated measuring cup or the large chamber of the empty
brixing cup (BUNN-O-MATIC part number 33095.0000) under the ap-
propriate dispense nozzle. Place the Program switch in the ON position.
2. Press and release the desired "Product Dispense Switch" three times.
(On Portion Control models, use the plus/stop switches)
3. The selected position will dispense water (no concentrate) only for 3
seconds.
4. Measure the water dispensed.
5. Adjust the water flow rate Fig 17, (clockwise to increase flow rate;
counterclockwise to decrease flow rate) to the corresponding product
mix ratio as follows:
Mix Ratio
(water + concentrate)
2+1
4+1
5+1
3+1 through 7+1
Above 7+1
High Viscosity Juice
*Maximum flow rate may be less depending on the water pressure supply at each location.
Note: Information for specific products listed in this table is to be used for reference only. Consult the product
label for exact mix ratio and/or brix %. See product label for target brix %.
6. Repeat steps 1 through 5 as necessary until the correct water flow rate is achieved.
7. Repeat steps 1 through 5 for the remaining dispense positions.
8. Place the Program switch back into the OFF position.
Pump Speed Adjustment
1. Disconnect the dispenser from the power source.
2. Remove the drip tray.
3. Remove the two screws securing the splash panel and remove the splash panel.
4. Locate the adjustment knobs on the circuit board.
5. Turn the adjustment knobs clockwise to increase speed and counterclockwise to decrease speed.
6. The knob positions directly correspond to dispense station locations.
NOTE: Some 2S models have 4 adjustment knobs on the circuit board. For these models use the two left most
knobs to make pump speed adjustments. Left most being station #1 (left side dispense) and left center being
station #2 (right side dispense).
7. Reinstall the splash panel and drip tray and reconnect the dispenser to the power source.
ADJUSTMENT & OPTIONAL SETTINGS
Adjust water flow rate to:
*3.75 fl. oz (111 ml)
per 3-second test
*4.0 fl. oz (118 ml)
per 3-second test
*4.0 fl. oz (118 ml)
per 3-second test
2.25 - 3.0 fl. oz (66.5 - 89 ml)
per 3-second test
Product
Prune Juice
Other
Orange Juice
Pineapple Juice
Cranberry Fruit Cocktail
Grapefruit Juice
Lemonade
Apple Juice
Fruit Punch
Grape Juice
Other
Other
As Required
14
FIG 17 Adjusting Water Flow
Using 1/4" allen wrench
Brix %
16.0%
*
11.8%
12.8%
14.0%
10.6%
12.0%
13.0%
*
*
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P3586
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