Bunn ULTRA-2 manual Compressor Start Relay Terminals

Page 29

SERVICE (cont.)

COMPRESSOR (AMERICOLD) (ULTRA-2) (cont.)

Removal and Replacement:

Compressor Start Relay: Refer to FIG. 15

1.Remove the terminal cover retainer (5) and the terminal cover (4)

2.Disconnect the wires from the compressor start re- lay.

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

4.Push new relay onto the compressor pins.

5.Refer to Fig. 16 and reconnect the wires.

6.Reinstall terminal cover (4) and cover retainer (5).

White from Main Harness

Plug directly to two lower terminals on Compressor

120V DISPENSERS

Black from Run Capacitor

White from Main Harness

Plug directly to two lower terminals on Compressor

230V DISPENSERS

P1338

FIG. 16 COMPRESSOR START RELAY

TERMINALS

Compressor Thermal Overload Protector: Refer to FIG. 15

1.Remove terminal cover retainer (5) and 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 retainer (3) and thermal overload protector (2) as an assembly.

5.Remove retainer (3) from overload protector (2) and discard overload protector.

6.Install retainer (3) on new overload protector (2).

7.Install retainer (3) and overload protector (2) on the compressor terminal bracket.

8.Refer to Fig. 17 and reconnect the thermal overload protector wires.

9.Reinstall terminal cover (4) and cover retainer (5).

WHI/ORN from

Main Harness

BLK to Compressor

FIG. 17 THERMAL OVERLOAD PROTECTOR TERMINALS

Compressor Run Capacitor (230V Dispensers Only): Refer to FIG. 15

1.Remove terminal cover retainer (5) and terminal cover

(4).

2.Disconnect the run capacitor leads.

3.Remove the #6 crimptite screw securing the run capaci- tor to the rear of the component bracket.

4.Remove run capacitor and discard.

5.Place new run capacitor on the rear of component bracket and secure with #6 crimptite screw.

6.Refer to Fig. 18 and reconnect the wires.

BLK to Start Relay T1

BLK to Start Relay T3

P1816

FIG. 18 COMPRESSOR RUN CAPACITOR

TERMINALS

29

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 padFrom the rear of the drum Under spring tension. Spread Other and disconnect from Be taken when handling HopperOne side of the handle first, then SurfaceFirmly into place as shown Drums and press the sealsAuger nose Assemble the drip trayMaterials required Sanitizing ProcedureNormal Operation Preventive MaintenanceKit Contents Required Regular MaintenanceInstructions DescriptionRequired Regular Maintenance Board TroubleshootingNo Power Set into DAY mode Troubleshooting Chills but Won’t freezeSet into ICE mode Is display showing Done Adjust CleanTroubleshooting No cooling At all Brix ratio Too much Troubleshooting Freezes, but not Thick enoughAdjust thickness Screen higher 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 OpenTemperature Sensor Open Troubleshooting Temperature Sensor ErrorTemperature Sensor Shorted Filter Needs Cleaning Troubleshooting Clean Filter MessagesFreezing is Disabled Monthly reminderComponent Access Panels ServiceMotor Coil Resistance SERVICEcontAuger Motors 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-2Model T-2168 Service Compressor Embraco ULTRA-2Model T-2155 Secure compressor to the dispenser chassis using four CSR Motor Wiring Diagram Compressor SpecificationCompressor Model Capacitor RatingsCompressor Wiring Diagram Important SafeguardsDisconnect all electrical power to the Bunn ULTRA-2 HP Testing Compressor Windings/Insulation with a Meg- gerPotential Start Relay Mounting Position External Thermal ProtectorStart Capacitor Run CapacitiorCompressor 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 AlignmentFAN ULTRA-2 Front of the condenser Test ProceduresUse cable ties to secure wires away from fan blades 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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