Bunn ULTRA-1 Recommended Daily Cleaning, Drums and press the seals, Firmly into place as shown

Page 9

RECOMMENDED DAILY CLEANING (Continued)

1.Install the seal(s) over the 2. Align the auger shaft(s) with the

flange at the rear of the cooling

auger(s). Push the auger(s) as

drum(s) and press the seal(s)

far as they will go and rotate so

firmly into place as shown.

the flat face of the auger shaft

 

is aligned with the flat face of

 

the auger nose.

4.Thoroughly rinse the hopper(s) 5. Slide into place and push down

and install over the auger(s)

until the hopper lock plunger(s)

and cooling drum(s).

snap into place.

3.Install auger nose bushing into inside front of hopper.

6.Set the lids on the hopper(s) and plug in the hopper lid lamp cord(s).

7.Position the faucet seal and re- turn spring in the faucet valve.

8.Slide the faucet valve assembly 9. Press down on the valve to

into place on the hopper.

compress the spring. Position

 

the faucet handle over the fau-

 

cet valve one side at a time and

 

snap into place on the hopper.

10.Assemble the drip tray.

9

41084 102709

 

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Contents Phone 217 529-6601 FAX 217 ULTRA-1 ULTRA-2BUNN-O-MATIC Commercial Product Warranty User Notices ContentsIntroduction Temp & Torque Screen Operating Controls ULTRA-1 Operating Controls ULTRA-2 Switch upper left corner of the control padOther and disconnect from Be taken when handling Hopper Recommended Daily Cleaning ULTRA-2 shownFrom the rear of the drum Under spring tension. Spread One side of the handle first, thenDrums and press the seals Recommended Daily CleaningFirmly into place as shown Auger noseAuto-fill Cleaning Instructions With Brixing Pump Installed Sanitizing ProcedureMaterials required Normal Operation Preventive MaintenanceKit Contents Required Regular Maintenance Semi AnnualInstructions DescriptionRequired Regular Maintenance Troubleshooting No PowerBoard Set into DAY mode Troubleshooting Chills but Won’t freezeSet into ICE mode Is display showing Done Adjust CleanYes Dirty? Check fan Have a certified Troubleshooting No cooling At allTroubleshooting Freezes, but not Thick enough Adjust thickness Screen higherBrix ratio Too much Auger jumping Check fan Troubleshooting NoiseDrum alignment Check auger shaft bushings Auger won’t turnTorque Sensor Error TroubleshootingTorque Sensor Error Torque Sensor Shorted Torque Sensor OpenTroubleshooting Temperature Sensor Error Temperature Sensor ShortedTemperature Sensor Open Filter Needs Cleaning Troubleshooting Clean Filter MessagesFreezing is Disabled Monthly reminderComponent Access Panels ServiceSERVICEcont Auger MotorsMotor Coil Resistance Auger Motor Capacitors Auger Motor CapacitorAuger Shaft Assembly Auger Shaft AssemblyRemove and clean condenser air filter, Fig Service Auger Shaft ASSEMBLYcontRemove the wires from the circuit breaker Test ProceduresCircuit Breaker Location120V Compressors 230V Compressors Compressor Start Relay Terminals Service Compressor Assy Compressor Embraco ULTRA-2Service Compressor Embraco ULTRA-2 Model T-2155Model T-2168 Secure compressor to the dispenser chassis using four Compressor Thermal Compressor Appliances ULTRA-1Relay Terminals Service Service Compressor Danfoss ULTRA-1B Compressor Capacitor Terminals Service Relay or Contactor on Early Models Control Board ULTRA-2 Control BoardCooling Drum Shipping Support Cooling Drum AlignmentFront of the condenser Test Procedures Use cable ties to secure wires away from fan bladesFAN ULTRA-2 FAN FAN ULTRA-1Alternate Test HOT GAS Temperature SensorLamp Cord Assy Lamp Cord WiresLamp Cord Connector Lamp Cord ConnectorLamp HOLDER/SOCKET Assembly Lamp HOLDER/SOCKET AssemblyULTRA-2 ULTRA-1 Lamp RelayRibbon Cable Membrane Switch ULTRA-2Refer to and connect the ribbon cable to the Control Board Membrane Switch ULTRA-1WHI from Main Harness SolenoidsTemperature Sensor Temperature SensorRemove the cover and set aside for reassembly Torque Sensor Circuit BoardDo not Turn on Augers Load TransformerCoolant Schematic ULTRA-1 Coolant Schematic ULTRA-2 Triac MAP for ULTRA-1 ULTRA-1 TriacsTH1 & MOV4 Controls Auger Triac Maps for ULTRA-2 Liquid AUTO-FILL Board ULTRA-2 TriacsTH6 & MOV6 Controls Right Auger Input and Output Chart ULTRA-1 41084 Input and Output Chart ULTRA-2 41084 41084
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ULTRA-1 specifications

The Bunn ULTRA-1 is a state-of-the-art coffee brewing system designed for commercial use, offering an unmatched combination of speed, efficiency, and flavor extraction. This single-serve coffee brewer is tailored for businesses that require high-quality coffee brews in a fast-paced environment, such as cafes, restaurants, and office kitchens.

One of the standout features of the Bunn ULTRA-1 is its ability to brew up to 14 different cup sizes, accommodating various customer preferences. This flexibility allows operators to serve everything from small espresso shots to larger coffee servings, making it a versatile addition to any beverage-serving establishment. At the heart of this brewing system is Bunn's patented brewing technology, which ensures precise water temperature and ideal brew time, optimizing the extraction process for a full-bodied flavor profile.

The ULTRA-1 is equipped with a large, easy-to-read LCD screen that provides real-time feedback, allowing users to monitor brewing progress, select cup sizes, and customize brewing parameters. This intuitive interface simplifies operation, reducing the learning curve for new staff members and enhancing overall efficiency during peak hours.

Another innovative aspect of the Bunn ULTRA-1 is its advanced thermal carafe system, which keeps brewed coffee at the optimal serving temperature without the need for a traditional warming plate. This technology helps preserve the coffee's rich flavor and aroma by preventing it from becoming bitter or stale due to prolonged exposure to heat.

The ULTRA-1 emphasizes ease of maintenance with its removable brew chamber and drip tray, allowing for quick cleaning and routine upkeep. Additionally, the brewer features a self-diagnostic system, alerting operators to any potential issues, further minimizing downtime.

From its sleek design to its robust construction, the Bunn ULTRA-1 combines aesthetics and durability, making it a reliable choice for any coffee-centric business. The compact design ensures it can fit on counters without taking up excessive space, while its stainless steel components provide longevity and resistance to wear and tear.

In conclusion, the Bunn ULTRA-1 stands out in the crowded market of commercial coffee brewers due to its advanced technology, versatility, and user-friendly features. It is designed to meet the demands of modern coffee service while ensuring that every cup brewed meets the highest standards for taste and quality.
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