Bunn JDF-2 Troubleshooting Guide download pdf (Page 13)

ADJUSTMENT & OPTIONAL SETTINGS

Total Dispense Ratio Set Up Procedure

1. Adjust water ﬂow as described in Water Flow Testing and Adjustment. Record water output setting for later

reference on each dispense head.

2. Enter program mode by simultaneously pressing both hidden switches.

3. Press and hold the dispense button, you will hear 5 beeps then two short beeps, continue holding until you

hear three short beeps. At this time the dispenser will run product and water for 3 seconds.

4. Record the total ounces dispensed.

5. Refer to the Brix/Ratio chart below to conﬁrm proper total dispensed amount for ratio desired and water

output previously recorded.

6. To increase or decrease the product output, refer to Pump Speed Programming section. *

* Always dispense 12 ounces of ﬁnished product after making a pump speed adjustment before taking an ad-

ditional sample for the brix/ratio check.

38310 092905

Temperature Compensated Refractometer Method

1. Adjust the water ﬂow as described in Water Flow Testing and Adjustment.

2. Place an empty container under the appropriate dispense nozzle.

3. Dispensers with Press and Hold Feature:

Press and hold the “Product Dispense Switch” Fig 5, until water and concentrate begin ﬂowing freely

from the dispense nozzle.

Dispensers with Portion Control Feature:

Press and hold the “+/Stop Switch” Fig 6, until water and concentrate begin ﬂowing freely from the dis-

pense nozzle.

4. Discard the product caught previously and place the empty container back under the dispense nozzle.

5. Dispensers with Press and Hold Feature:

Press and hold the “Product Dispense Switch” until the cup is ﬁlled.

Dispensers with Portion Control Feature:

Press and hold the “+/Stop 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 Programming.

Ratio Target

2:1 3:1 4:1 5:1 6:1 7:1 8:1 9:1 10:1 11:1 12:1 13:1 14:1 15:1

1.5 2.25 2.00 1.88 1.80 1.75 1.71 1.69 1.67 1.65 1.64 1.63 1.62 1.61 1.60

1.75 2.63 2.33 2.19 2.10 2.04 2.00 1.97 1.94 1.93 1.91 1.89 1.88 1.88 1.87

2.0 3.00 2.67 2.50 2.40 2.33 2.29 2.25 2.22 2.20 2.18 2.17 2.15 2.14 2.13

2.25 3.38 3.00 2.81 2.70 2.63 2.57 2.53 2.50 2.48 2.45 2.44 2.42 2.41 2.40

2.5 3.75 3.33 3.13 3.00 2.92 2.86 2.81 2.78 2.75 2.73 2.71 2.69 2.68 2.67

2.75 4.13 3.67 3.44 3.30 3.21 3.14 3.09 3.06 3.03 3.00 2.98 2.96 2.95 2.93

3.0 4.50 4.00 3.75 3.60 3.50 3.43 3.38 3.33 3.30 3.27 3.25 3.23 3.21 3.20

3.25 4.88 4.33 4.06 3.90 3.79 3.71 3.66 3.61 3.58 3.55 3.52 3.50 3.48 3.47

3.5 5.25 4.67 4.38 4.20 4.08 4.00 3.94 3.89 3.85 3.82 3.79 3.77 3.75 3.73

3.75 5.63 5.00 4.69 4.50 4.38 4.29 4.22 4.17 4.13 4.09 4.06 4.04 4.02 4.00

4.0 6.00 5.33 5.00 4.80 4.67 4.57 4.50 4.44 4.40 4.36 4.33 4.31 4.29 4.27

4.25 6.38 5.67 5.31 5.10 4.96 4.86 4.78 4.72 4.68 4.64 4.60 4.58 4.55 4.53

4.5 6.75 6.00 5.63 5.40 5.25 5.14 5.06 5.00 4.95 4.91 4.88 4.85 4.82 4.80

4.75 7.13 6.33 5.94 5.70 5.54 5.43 5.34 5.28 5.23 5.18 5.15 5.12 5.09 5.07

5.0 7.5 6.67 6.25 6.00 5.83 5.71 5.63 5.56 5.50 5.45 5.42 5.38 5.36 5.33

3 second

water dispense

(oz)

Dispensed product (oz)

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 31 32

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Bunn JDF-2 Troubleshooting Guide Page 13

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