Bunn Trifecta MB Service Manual download pdf (Page 7)

1. Apply power to machine and turn on by pressing the power button.

2. Enter the display menu by pressing the “Gourmet” button for about 5 seconds. Press and release “Gourmet”

button to step through the menu to the “Test Reﬁll” screen. Press and release the “Ice” button to select YES.

3. The Activate Valve screen will allow you to test the pumping and reﬁll circuit. Press and hold the ULTRA

button to activate the left reﬁll system. Conﬁrm that the left side is ﬁlling when the ULTRA button is pressed.

Release the ULTRA button to stop the ﬁlling process. Repeat this process for the right side by pressing the

ICE button to test. Check for leaks at the hoses while pumping system is running.

4. Run each side until water and product are ﬂowing freely.

5. Take a sample from each side (directly from the tubes going into the hopper) to check for proper brix ratio.

6. Make adjustments to the brix/ratio by turning the screw/valve adjuster on the water side at the top of the

motor cover. Turning the screw clockwise will decrease the water ﬂow. Counter-clockwise will increase the

water ﬂow. The ﬂow rate on the syrup side is not adjustable.

7. Once the testing is complete, exit the programming menu.

8. The auto ﬁll feature can be turned on by pressing the auger button for each side until the display reads

“AUGER REFILL ON”.

NOTE: Some models also include a “Delay Reﬁll” option. This feature is used to dose in small amounts of new

product while delaying between doses. This can help the already frozen product from becoming deluted and not

ready to serve. These delay and ﬁll times are to be determined and set based on each application as desired by

the end user.

NOTE: Reﬁll system includes a “Maximum Fill Time” in the software. If the time to ﬁll the hopper exceeds this

limit, the hopper lights will ﬂash and a “Reﬁll Fault” will be displayed on the screen. If this accurs, check the

product supply to ensure the BIB is not empty. (Change BIB if empty). Then press the “ULTRA” button for 3

seconds to clear the fault and restart the reﬁll system.

Internal Brixing System Brix Adjustment Instructions

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Bunn Trifecta MB Service Manual Page 7