Bunn ULTRA-1 manual Lamp Cord Connector

Page 46

SERVICE (cont.)

LAMP CORD CONNECTOR

ULTRA-2 shown

FIG. 47 LAMP CORD CONNECTOR Location:

The lamp cord connectors are located inside the center top of the auger motor covers.

Test Procedures:

1.Disconnect the dispenser from the power source.

2.Disconnect the plug on the dispenser main harness from the connector from the lamp cord connec- tor.

3.Connect the dispenser to the power source. Turnon power (I/O) switch. The indication must be approxi- mately 12.6 volts dc.

4.Disconnect the dispenser from the power source. If voltage is present as described, proceed to #5.

If voltage is not present as described, refer to the Wiring Diagram and check the dispenser main wiring harness.

NOTE: Lamp cord assembly (Fig. 47) and lamps, must be tested and determined to be functioning properly before proceeding to step 5.

5.Check for continuity across the black wire pin and red wire pin of the lamp cord connector (Fig. 48). Continuity must be present when the lamp cord assembly is connected and must not be present when lamp cord assembly is disconnected from lamp cord connector.

If continuity is not present when lamp cord assembly is connected or continuity is present when lamp cord assembly is not connected, replace the lamp cord connector.

Removal and Replacement:

1.Disconnect the lamp cord assembly from the lamp cord connector.

2.Remove the two #8-32 locking screws securing the auger motor cover the auger motor bracket/cooling drum bracket. Move cover back far enough to gain access to the lamp cord connector.

3.Disconnect the lamp cord connector wires from the dispenser main wiring harness.

4.Remove nut and washer securing the lamp cord connector to the auger motor cover and discard nut, washer and lamp cord connector.

5.Remove new nut and washer from new lamp cord connector.

6.Push new lamp cord connector through the hole in the auger motor cover and secure with the new nut and washer.

7.Reconnect the wires on the cord connector to the dispenser main wiring harness.

8.Position auger motor cover on auger motor bracket/ cooling drum bracket and secure with two #8-32 locking screws.

9.Refer to Fig. 48 when reconnecting wires.

BLK to Main Wiring Harness

RED to Main Wiring Harness

FIG.48 LAMP CORD CONNECTOR

P1323

 

46

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-2From the rear of the drum Under spring tension. Spread Recommended Daily Cleaning ULTRA-2 shownOther and disconnect from Be taken when handling Hopper One side of the handle first, thenFirmly into place as shown Recommended Daily CleaningDrums and press the seals Auger noseSanitizing Procedure Auto-fill Cleaning Instructions With Brixing Pump InstalledMaterials required Preventive Maintenance Normal OperationInstructions Required Regular Maintenance Semi AnnualKit Contents DescriptionRequired Regular Maintenance No Power TroubleshootingBoard Set into ICE mode Is display showing Troubleshooting Chills but Won’t freezeSet into DAY mode Done Adjust CleanTroubleshooting No cooling At all Yes Dirty? Check fan Have a certifiedAdjust thickness Screen higher Troubleshooting Freezes, but not Thick enoughBrix ratio Too much 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 Shorted Troubleshooting Temperature Sensor ErrorTemperature Sensor Open Freezing is Disabled Troubleshooting Clean Filter MessagesFilter Needs Cleaning 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, 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-2155 Service Compressor Embraco ULTRA-2Model T-2168 Secure compressor to the dispenser chassis using four Compressor Appliances ULTRA-1 Compressor ThermalRelay Terminals Service Service Compressor Danfoss ULTRA-1B Compressor Capacitor Terminals Service Relay or Contactor on Early Models Control Board Control Board ULTRA-2Cooling 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 AssemblyLamp 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 Remove the cover and set aside for reassemblyDo not Turn on Augers Transformer LoadCoolant Schematic ULTRA-1 Coolant Schematic ULTRA-2 ULTRA-1 Triacs Triac MAP for ULTRA-1TH1 & MOV4 Controls Auger Liquid AUTO-FILL Board ULTRA-2 Triacs Triac Maps for ULTRA-2TH6 & 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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