Bunn ULTRA-2 manual Service Auger Shaft ASSEMBLYcont, Remove and clean condenser air filter, Fig

Page 26

SERVICE (cont.)

AUGER SHAFT ASSEMBLY(cont.)

Open face of seal away from tool

Cooling Drum Seal

Seal Insertion Tool

P1760

FIG. 7 COOLING DRUM SEAL

14.Assemble motor/shaft assembly as shown in Fig. 8, then install assembly into cooling drum. Make sure the pins do not hit the sensor board and cool- ing drum seal is not dislodged as the shaft passes through.

Lube about 1 1/2” of shaft and in the groove with #29563.0000 “Krytox” Lubricant

Auger Shaft Assy

P1761

FIG. 8 MOTOR/SHAFT ASSEMBLY

15.Secure motor and capacitor to the cooling drum mounting bracket. Install rear motor cover.

16.Refer to Hopper Installation for hopper assembly and installation procedures. Be sure to use new hopper/drum seal and faucet seals

FIG 9

17.Remove and clean condenser air filter, Fig. 10.

18.Refer to the Programming Manual, “Menu Function Index”. Scroll to menu “PM Complete?” and answer “YES” to reset the reminder message “PM Due”.

ULTRA-2 shown

P3682

FIG 10

26

41084 102709

 

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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-2One side of the handle first, then Other and disconnect from Be taken when handling HopperFrom the rear of the drum Under spring tension. Spread SurfaceAuger nose Drums and press the sealsFirmly into place as shown Assemble the drip traySanitizing Procedure Materials requiredPreventive Maintenance Normal OperationInstructions Required Regular MaintenanceKit Contents DescriptionRequired Regular Maintenance Board TroubleshootingNo Power Set into ICE mode Is display showing Troubleshooting Chills but Won’t freezeSet into DAY mode Done Adjust CleanTroubleshooting No cooling At all Brix ratio Too much Troubleshooting Freezes, but not Thick enoughAdjust thickness Screen higher Drum alignment Check auger shaft bushings Troubleshooting NoiseAuger jumping Check fan Auger won’t turnTorque Sensor Error TroubleshootingTorque Sensor Error Torque Sensor Shorted Torque Sensor OpenTemperature Sensor Open Troubleshooting Temperature Sensor ErrorTemperature Sensor Shorted Freezing is Disabled Troubleshooting Clean Filter MessagesFilter Needs Cleaning Monthly reminderService Component Access PanelsMotor Coil Resistance SERVICEcontAuger Motors Auger Motor Capacitor Auger Motor CapacitorsAuger Shaft Assembly Auger Shaft AssemblyService Auger Shaft ASSEMBLYcont Remove and clean condenser air filter, FigCircuit Breaker Test ProceduresRemove the wires from the circuit breaker Location120V Compressors 230V Compressors Compressor Start Relay Terminals Service Compressor Embraco ULTRA-2 Compressor AssyModel T-2168 Service Compressor Embraco ULTRA-2Model T-2155 Secure compressor to the dispenser chassis using four Compressor Model Compressor SpecificationCSR Motor Wiring Diagram Capacitor RatingsImportant Safeguards Compressor Wiring DiagramTesting Compressor Windings/Insulation with a Meg- ger Disconnect all electrical power to the Bunn ULTRA-2 HPStart Capacitor External Thermal ProtectorPotential Start Relay Mounting Position 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 SupportFAN ULTRA-2 Front of the condenser Test ProceduresUse cable ties to secure wires away from fan blades 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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