Bunn ULTRA-2 manual Relay Terminals

Page 39

SERVICE (cont.)

COMPRESSOR (APPLIANCES) (ULTRA-1) (cont.)

Removal and Replacement:

Compressor Start Relay: Refer to FIG. 25

1.Remove the terminal cover (4)

2.Disconnect the wires from the compressor start relay.

3.Pull relay (1) off of the compressor pins and discard.

4.Push new relay onto the compressor pins.

5.Refer to Fig. 26 and reconnect the wires.

6.Reinstall terminal cover (4).

Compressor Thermal Overload Protector: Refer to FIG. 25

1.Remove terminal cover (4).

2.Disconnect the WHI/ORN wire of the harness from the thermal overload protector.

3.Disconnect the BLK wire from the Compressor’s upper terminal.

4.Remove overload protector (3) and start relay as an assembly.

5.Remove overload protector (3) and discard overload protector.

6.Install new overload protector (3) on to the relay (1).

7.Install relay (1) and overload protector (2) on the com- pressor terminal bracket.

8.Refer to Fig. 27 and reconnect the thermal overload protector wires.

9.Reinstall terminal cover (4).

Compressor Run Capacitor: Refer to FIG. 25

1.Remove terminal cover (4).

2.Disconnect the run capacitor leads.

3.Remove the #8-32 screw securing the run capacitor to the top of the dispenser chassis.

4.Remove run capacitor and discard.

5.Place new run capacitor on the top of the dispenser chassis and secure with #8-32 screw.

6.Refer to Fig. 28 and reconnect the wires.

WHI/ORN

GRN

WHI

BRN/WHI (120V)

BRN (230V)

BLU

FIG. 26 RELAY TERMINALS

Plugs into Relay

FIG. 27 THERMAL OVERLOAD PROTECTOR TERMINALS

BRN/WHI (120V) to Relay

BRN (230V) to Relay

BLU to Relay

FIG. 28 COMPRESSOR CAPACITOR TERMINALS

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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 padSurface Other and disconnect from Be taken when handling HopperFrom the rear of the drum Under spring tension. Spread One side of the handle first, thenAssemble the drip tray Drums and press the sealsFirmly into place as shown Auger noseMaterials required Sanitizing ProcedureNormal Operation Preventive MaintenanceDescription Required Regular MaintenanceKit Contents InstructionsRequired Regular Maintenance Troubleshooting No PowerBoard Done Adjust Clean Troubleshooting Chills but Won’t freezeSet into DAY mode Set into ICE mode Is display showingTroubleshooting No cooling At all Troubleshooting Freezes, but not Thick enough Adjust thickness Screen higherBrix ratio Too much Auger won’t turn Troubleshooting NoiseAuger jumping Check fan Drum alignment Check auger shaft bushingsTorque Sensor Shorted Torque Sensor Open TroubleshootingTorque Sensor Error Torque Sensor ErrorTroubleshooting Temperature Sensor Error Temperature Sensor ShortedTemperature Sensor Open Monthly reminder Troubleshooting Clean Filter MessagesFilter Needs Cleaning Freezing is DisabledComponent 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 ASSEMBLYcontLocation Test ProceduresRemove the wires from the circuit breaker Circuit Breaker120V 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 Capacitor Ratings Compressor SpecificationCSR Motor Wiring Diagram Compressor ModelCompressor Wiring Diagram Important SafeguardsDisconnect all electrical power to the Bunn ULTRA-2 HP Testing Compressor Windings/Insulation with a Meg- gerRun Capacitior External Thermal ProtectorPotential Start Relay Mounting Position Start CapacitorCompressor Thermal Compressor Appliances ULTRA-1Relay Terminals Service Service Compressor Danfoss ULTRA-1B Compressor Capacitor Terminals Service Relay or Contactor on Early Models TIC board 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 AssemblyDisconnect the black and red leads from the LEDs Service LED LampsULTRA-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 SensorDo not Turn on Augers Torque Sensor Circuit BoardLoad TransformerCoolant Schematic ULTRA-1 Coolant Schematic ULTRA-2 TH1 & MOV4 Controls Auger ULTRA-1 TriacsTH6 & MOV6 Controls Right Auger Liquid AUTO-FILL Board ULTRA-2 TriacsInput 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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