Bunn Ultra 2 PM Kit: Essential Preventive Maintenance for Your Beverage Dispenser
Page 12

REQUIRED REGULAR MAINTENANCE:

Semi Annual:

Bunn Kit #34245.0002 is required for ULTRA-1 and #34245.0000 & #34245.0001 is required for ULTRA-2, to perform the semi annual Preventive maintenance:

Note: Service caused by failure to perform required maintenance is not covered by warranty.

The following instructions apply to one hopper only; repeat each step for all hoppers.

Kit Contents

Inventory this kit for completeness before proceeding.

*34245.0003 PM Kit, ULTRA-2 PAF w/ LEDs ** 34245.0001 PM Kit, ULTRA-2

***34245.0002 PM Kit, ULTRA-1

Part Number

 

Qty.

 

Description

 

*

** ***

 

26781.0000

2

3

1

Auger Shaft Bushing (Blue)

37593.0000

2

3

1

Cooling Drum Seal

32079.0000

2

3

1

Hopper/Drum Seal

32268.1000

2

3

1

Seal Kit, Faucet (Clear)

29563.0000

-

-

-

Lubricant (“Krytox”)

28395.0000

1

1

1

Seal Insertion Tool

INSTRUCTIONS

Auger Motor Cover

Run Capacitor

Auger Motor Assy

Auger Shaft Assy

Hopper/Drum Seal

Cooling Drum

Seal

Cooling Drum

Auger Shaft Bushing

 

P2528

 

FIG 1

WARNING ‑ Disconnect the dispenser from the power source before the removal of any panel or the replacement of any component.

1.Drain, remove and clean hopper; refer to the Recommended Daily Cleaning instructions for proper cleaning procedures. Discard the hopper/drum seal and faucet seal.

2.Remove the #8 locking screws securing auger motor cover to the cooling drum mount assembly; remove cover and set aside for reassembly.

3.Remove the #8 locking screw on the lower right side (viewed from front) of the auger motor mounting bracket securing the auger motor run capacitor. Set capacitor aside with wires attached.

4.Disconnect the auger motor terminal from the terminal on the main wiring harness.

5.Remove the remaining #8 locking screws securing the cooling drum mounting bracket. Remove motor with mounting bracket.

NOTE: When removing or installing motor and shaft assembies, be sure the motor and shaft pins are turned to a position that will clear the torque sensor circuit board.

12

41084 052112

 

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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 Troubleshooting No PowerBoard Troubleshooting Chills but Won’t freeze Set into DAY modeSet into ICE mode Is display showing Done Adjust CleanTroubleshooting No cooling At all Troubleshooting Freezes, but not Thick enough Adjust thickness Screen higherBrix 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 OpenTroubleshooting Temperature Sensor Error Temperature Sensor ShortedTemperature Sensor Open Troubleshooting Clean Filter Messages Filter Needs CleaningFreezing is Disabled Monthly reminderService Component Access PanelsSERVICEcont Auger MotorsMotor 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 AssyService Compressor Embraco ULTRA-2 Model T-2155Model 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 SupportFront of the condenser Test Procedures Use cable ties to secure wires away from fan bladesFAN 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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