Bunn JDF-4S User Manual download pdf (Page 10)

OPERATING CONTROLS (Continued)

Portion Control Option (Mechanical Switch Machines)

The dispenser is also equipped with a portion control option. The following steps will guide you through the set

up process for this option. Portion control can be set on one or all dispense heads as needed.

1. Unplug dispenser from power source.

2. Set the Program Switch (near main control board) to the ON position. (On older models without program

switch, set the Dispense Lockout Switch to the OFF position)

3. Remove drip tray and splash panel from the front of the machine then replace the drip tray.

4. Press and hold the left most (Station 1) dispense switch while plugging the dispenser into the power source.

Continue holding dispense switch(s) until all 4 temperature LED’s, Figs. 15 and 16 on the circuit board start

ﬂashing slowly (this takes about 5 seconds). Release dispense switch(s).

5. Press and release any dispense switch 6 times to enter the portion control set up mode. This will cause the

4 temperature LED’s to ﬂash rapidly.

6. Place a container under the desired dispense nozzle to measure the portion size.

7. Press and hold the desired dispense switch to dispense product until the desired amount of product is

achieved. (Maximum dispense time is 150 seconds). Repeat this on all dispense heads as desired.

8. Set the Program Switch (near main control board) to the OFF position. (On older models without program

switch, set the Dispense Lockout Switch to the ON position)

9. Place a container under the dispense nozzle(s) and press the dispense button to conﬁrm that the portion size

is set correctly. Repeat steps 1-8 if any changes are needed.

10. Replace splash panel.

Note: The portion control dispense can be cancelled during a dispense by pressing the dispense button again.

Note: If a portion size is not set for a dispense head while in the portion control set up mode, that dispense head

will remain a push and hold dispense head.

Portion Control Option (Membrane Switch Machines)

Portion sizes are preset but can be adjusted by following these steps below.

1. Set the Program Switch (near main control board) to the ON position. (On older models without program

switch, set the Dispense Lockout Switch to the OFF position)

2. Press and hold the large and medium buttons on the left most (Station #1) dispense station until you hear

the machine "beep" three times.

3. Place a measuring container under the station to be adjusted, then press and hold the apprpriate dispense

switch until the desired amount is dispensed. The machine will record the amount of time that the button is

pressed continously. If the button is released too soon, simply empty the container and start over.

4. Repeat step 3 for all stations as desired.

5. Turn the program switch to the OFF position.

DISPENSER USE

Press and Hold Dispensing:

1. Place a cup on the drip tray beneath the desired dispensing nozzle.

2. Press and hold the “Product Dispense” switch until the beverage reaches the desired level, then release.

Push and Hold Membrane Switch Machines

1. To set single portion sizes on a push and hold membrane type dispense switch, follow steps 1 - 10 above.

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Bunn JDF-4S User Manual Page 10