Bunn ULTRA-2 manual Service LED Lamps, Disconnect the black and red leads from the LEDs

Page 52

SERVICE (cont.)

LED Lamps

P4110

FIG. 45 LED HOPPER LIGHTS

Location:

The LED hopper lights are located inside the hop- per lid.

Test Procedures:

1.Disconnect power from the dispenser.

2.Disconnect the black and red leads from the LEDs.

3.Check the voltage across the two leads with a voltmeter. Reconnect power to the dispenser. The indication must be approximately 12 volts ac.

4.Disconnect power from the dispenser.

If voltage is present as described, the LED board is faulty.

If voltage is not present as described, retrace the wiring circuit to find the fault.

5.Check for continuity across the terminals on the leads and the LED harness.

If continuity is present as described, the lamp is op- erating properly.

If continuity is not present as described, replace the lamp.

Removal and Replacement:

1.Disconnect power from the dispenser.

2.Disconnect the lamp cord assembly from the lamp cord connector assembly in the top of the auger motor cover.

3.Remove the hopper cover with the lamp cord as- sembly from the hopper.

4.Remove hopper cover liner from the hopper cover.

5.Remove the two #2-28 screws securing the LED circuit board assembly to the cover liner.

6.Replace the LED circuit board assembly.

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Contents ULTRA-1 ULTRA-2 Phone 217 529-6601 FAX 217BUNN-O-MATIC Commercial Product Warranty Contents User NoticesIntroduction Temp & Torque Screen Operating Controls ULTRA-1 Switch upper left corner of the control pad Operating Controls ULTRA-2Other and disconnect from Be taken when handling Hopper From the rear of the drum Under spring tension. SpreadOne side of the handle first, then SurfaceDrums and press the seals Firmly into place as shownAuger nose Assemble the drip traySanitizing Procedure Materials requiredPreventive Maintenance Normal OperationRequired Regular Maintenance Kit ContentsInstructions DescriptionRequired Regular Maintenance No Power TroubleshootingBoard Troubleshooting Chills but Won’t freeze Set into DAY modeSet into ICE mode Is display showing Done Adjust CleanTroubleshooting No cooling At all Adjust thickness Screen higher Troubleshooting Freezes, but not Thick enoughBrix ratio Too much Troubleshooting Noise Auger jumping Check fanDrum alignment Check auger shaft bushings Auger won’t turnTroubleshooting Torque Sensor ErrorTorque Sensor Error Torque Sensor Shorted Torque Sensor OpenTemperature Sensor Shorted Troubleshooting Temperature Sensor ErrorTemperature Sensor Open Troubleshooting Clean Filter Messages Filter Needs CleaningFreezing is Disabled Monthly reminderService Component Access PanelsAuger Motors SERVICEcontMotor Coil Resistance Auger Motor Capacitor Auger Motor CapacitorsAuger Shaft Assembly Auger Shaft AssemblyService Auger Shaft ASSEMBLYcont Remove and clean condenser air filter, FigTest Procedures Remove the wires from the circuit breakerCircuit Breaker Location120V Compressors 230V Compressors Compressor Start Relay Terminals Service Compressor Embraco ULTRA-2 Compressor AssyModel T-2155 Service Compressor Embraco ULTRA-2Model T-2168 Secure compressor to the dispenser chassis using four Compressor Specification CSR Motor Wiring DiagramCompressor Model Capacitor RatingsImportant Safeguards Compressor Wiring DiagramTesting Compressor Windings/Insulation with a Meg- ger Disconnect all electrical power to the Bunn ULTRA-2 HPExternal Thermal Protector Potential Start Relay Mounting PositionStart Capacitor Run CapacitiorCompressor Appliances ULTRA-1 Compressor ThermalRelay Terminals Service Service Compressor Danfoss ULTRA-1B Compressor Capacitor Terminals Service Relay or Contactor on Early Models Control Board TIC boardCooling Drum Alignment Cooling Drum Shipping SupportUse cable ties to secure wires away from fan blades Front of the condenser Test ProceduresFAN ULTRA-2 FAN ULTRA-1 FANHOT GAS Temperature Sensor Alternate TestLamp Cord Wires Lamp Cord AssyLamp Cord Connector Lamp Cord ConnectorLamp HOLDER/SOCKET Assembly Lamp HOLDER/SOCKET AssemblyService LED Lamps Disconnect the black and red leads from the LEDsLamp Relay ULTRA-2 ULTRA-1Membrane Switch ULTRA-2 Ribbon CableMembrane Switch ULTRA-1 Refer to and connect the ribbon cable to the Control BoardSolenoids WHI from Main HarnessTemperature Sensor Temperature SensorTorque Sensor Circuit Board Do not Turn on AugersTransformer LoadCoolant Schematic ULTRA-1 Coolant Schematic ULTRA-2 ULTRA-1 Triacs TH1 & MOV4 Controls AugerLiquid AUTO-FILL Board ULTRA-2 Triacs TH6 & MOV6 Controls Right AugerInput and Output Chart ULTRA-1 Schematic Wiring Diagram ULTRA-1 Input and Output Chart ULTRA-2 Schematic Wiring Diagram ULTRA-2 AF 41084
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ULTRA-2 specifications

The Bunn ULTRA-2 is an exceptional frozen beverage dispenser that caters to both commercial and home use, making it a popular choice in various establishments such as cafes, restaurants, and convenience stores. Renowned for its reliability and efficiency, the ULTRA-2 serves a wide range of frozen beverages, including slushes, smoothies, and frozen cocktails, providing an irresistible treat for customers.

One of the standout features of the Bunn ULTRA-2 is its high-capacity design. With a dual hopper system, this machine allows operators to serve two different flavors simultaneously. Each hopper can hold up to 3.2 gallons of product, allowing for continuous service without the need for frequent refills. This is particularly advantageous during peak hours when demand is high.

The ULTRA-2 is equipped with Bunn's advanced refrigeration technology, which ensures rapid freezing and consistent product quality. The machine uses a patented freezing mechanism that maintains optimal product texture and temperature, resulting in a smooth, uniform consistency that keeps customers coming back for more. Additionally, the ULTRA-2's adjustable temperature control allows operators to customize the consistency of the beverages to their liking.

User-friendliness is another hallmark of the Bunn ULTRA-2. The machine features intuitive controls that simplify operation, making it easy for staff to learn and use efficiently. A built-in safety feature prevents the machine from operating when the hoppers are too low, minimizing waste and ensuring product quality.

Durability and ease of maintenance are also prominent characteristics of the ULTRA-2. Constructed from high-quality stainless steel, the machine offers enhanced longevity and is resistant to rust and corrosion. The removable hoppers and door assemblies facilitate quick cleaning and maintenance, allowing businesses to keep the machine in top working condition with minimal effort.

In summary, the Bunn ULTRA-2 stands out in the crowded market of frozen beverage dispensers through its dual hopper functionality, advanced refrigeration technology, user-friendly design, and robust construction. Whether for a busy café or a family gathering, the ULTRA-2 provides a reliable solution for delivering delicious frozen beverages that satisfy a variety of tastes and preferences.
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