Do you have a question about the Bunn ULTRA and is the answer not in the manual?
Details space, plumbing (PAF and LAF), water treatment, and electrical requirements for machine installation.
Instructions for connecting the machine to a 120VAC outlet, including circuit and receptacle requirements.
Overview of the dispenser's menu-driven display and the function of operating and programming control switches.
Explanation of the ON/OFF toggle switch and the Auger/Chill switches for controlling machine functions.
Details on accessing programming mode and using the ULTRA, GOURMET, and ICE switches for navigation and selection.
Key machine parameters to set for product turnover, including thickness, date/time, language, and maintenance reminders.
Instructions for adjusting product thickness (ice consistency) using the machine's interface, with a range of 1 to 16.
Steps for starting up ULTRA 1 and 2 machines equipped with the Liquid Autofill (LAF) option, including switch operation and refill activation.
Information on the CSR motor type, capacitor ratings, refrigerant charge, and design pressure for the compressor.
Explanation of additions to the circuit board, install date feature, TIC connection, and user settings recording.
Describes the auger motor, mixing, dispensing, and torque sensing system for product consistency.
Explains the cooling system, compressor/fan operation, delay times, and how thickness settings affect cooling.
Describes the thermistor's role in monitoring cooling drum temperature for Night and Chill modes.
Explains the torque sensing system using pins and springs to measure product thickness and control the compressor.
Detailed steps for shaft seal maintenance, including removing/cleaning the auger shaft, installing new seals, and lubricating.
Accessing the Service Tool menu to test individual components and outputs of the control board.
Allows testing of specific components like auger motors, refrigerant valves, and refill circuits.
Accessing the screen to monitor cooling drum temperatures and auger torque for operational diagnostics.
Flowchart for diagnosing Torque Sensor errors, covering auger turning, shaft pins, and sensor circuit checks.
Flowchart for diagnosing Temperature Sensor errors, including shorted, open, and thermistor circuit checks.