Manuals / Bunn / Kitchen Appliance / Beverage Dispenser

Bunn ULTRA-2 manual SERVICE cont LAMP CORD CONNECTOR

Models: ULTRA-2

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SERVICE (cont.)

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

50	41084 102709

Image 50

Bunn ULTRA-2 manual SERVICE cont LAMP CORD CONNECTOR

Contents

BUNN-O-MATICCORPORATION SERVICE & REPAIR MANUALULTRA-1 ULTRA-2 41084.0000D 03/13 2009 Bunn-O-MaticCorporationBUNN-O-MATICCOMMERCIAL PRODUCT WARRANTY Service CONTENTSPreventive Maintenance USER NOTICESFault codes Safety firstBasic Maintenance INTRODUCTION161h TEMP & TORQUE SCREENDISPLAY TEMP & TORQUE OPERATING CONTROLS ULTRA-1 OPERATING CONTROLS ULTRA-2 RECOMMENDED DAILY CLEANING ULTRA-2shown RECOMMENDED DAILY CLEANING Continued Sanitizing Procedure Auto-fillCleaning InstructionsWith Brixing Pump Installed Materials requiredPOSSIBLE CAUSES FOR FALSE READINGS PREVENTIVE MAINTENANCENORMAL OPERATION INSTRUCTIONS REQUIRED REGULAR MAINTENANCE Semi AnnualKit Contents DescriptionREQUIRED REGULAR MAINTENANCE Continued TROUBLESHOOTING No PowerTROUBLESHOOTING cont Chills but won’t freeze TROUBLESHOOTING cont No cooling at all TROUBLESHOOTING cont Freezes, but not thick enoughTROUBLESHOOTING cont Noise Auger won’t turnTORQUE SENSOR OPEN TROUBLESHOOTING cont TORQUE SENSOR ERRORTorque Sensor Error TORQUE SENSOR SHORTED TEMPERATURE SENSOR OPEN TROUBLESHOOTING cont Temperature Sensor ErrorTEMPERATURE SENSOR SHORTED Thermistor unplugged or break in wiring“FILTER NEEDS CLEANING!!!” TROUBLESHOOTING cont Clean Filter Messages“FILTER NEEDS CLEANING” SERVICE COMPONENT ACCESS PANELSMOTOR COIL RESISTANCE SERVICEcont AUGER MOTORSFIG. 1 AUGER MOTORS FIG. 2 AUGER MOTOR TERMINALSSERVICE cont AUGER MOTOR CAPACITOR FIG. 4 AUGER MOTOR CAPACITOR TERMINALSSERVICE cont AUGER SHAFT ASSEMBLY SERVICE cont AUGER SHAFT ASSEMBLYcont SERVICE cont CIRCUIT BREAKER 120V COMPRESSORS SERVICE contLocation 230V COMPRESSORS230V DISPENSERS SERVICE cont120V DISPENSERS FIG. 16 COMPRESSOR START RELAY TERMINALSCOMPRESSOR AMERICOLD ULTRA-2cont SERVICE contRemoval and Replacement Compressor Assy SERVICE cont COMPRESSOR EMBRACO ULTRA-2 FIG. 22 THERMAL OVERLOAD PROTECTOR TERMINALS SERVICE cont COMPRESSOR EMBRACO ULTRA-2contModel T-2155 Model T-2168SERVICE cont COMPRESSOR EMBRACO ULTRA-2cont Compressor Model Compressor SpecificationCSR Motor Wiring Diagram Capacitor RatingsSERVICE cont COMPRESSOR EMBRACO ULTRA-2 Important SafeguardsCompressor Wiring Diagram SERVICE cont COMPRESSOR EMBRACO ULTRA-2 Check Compressor Windings for Ground FaultStart Capacitor External Thermal ProtectorPotential Start Relay Mounting Position Run Capacitior2.Compressor Run Capacitor SERVICE cont COMPRESSOR APPLIANCES ULTRA-11.Compressor Start Relay 3.Thermal Overload ProtectorFIG. 28 COMPRESSOR CAPACITOR TERMINALS SERVICE contFIG. 26 RELAY TERMINALS COMPRESSOR APPLIANCES ULTRA-1contCompressor Assy SERVICE contCOMPRESSOR APPLIANCES ULTRA-1cont SERVICE cont COMPRESSOR DANFOSS ULTRA-1Bcont SERVICE cont COMPRESSOR DANFOSS ULTRA-1Bcont FIG. 30 RELAY TERMINALSSERVICE cont RELAY or CONTACTOR on Early Models SERVICE cont CONTROL BOARD TIC boardSERVICE cont COOLING DRUM ALIGNMENT SERVICE cont FAN - ULTRA-2 FAN - ULTRA-1 SERVICE contSERVICE cont HOT GAS TEMPERATURE SENSOR SERVICE cont LAMP CORD ASSY FIG. 45 LAMP CORD ASSYSERVICE cont LAMP CORD CONNECTOR SERVICE cont LAMP HOLDER/SOCKET ASSEMBLY SERVICE cont LED Lamps SERVICE cont LAMP RELAY MEMBRANE SWITCH ULTRA-2 SERVICE contMEMBRANE SWITCH ULTRA-1 SERVICE contSERVICE cont SOLENOIDSFIG. 59 SOLENOIDS SERVICE cont TEMPERATURE SENSOR SERVICE cont TORQUE SENSOR CIRCUIT BOARD DO NOT TURN ON AUGERSTRANSFORMER SERVICE contCOOLANT SCHEMATIC ULTRA-1 COOLANT SCHEMATIC ULTRA-2 TRIAC MAP for ULTRA-1 ULTRA-1TRIACSULTRA-2TRIACS TRIAC MAPS for ULTRA-2LIQUID AUTO-FILLBOARD Input and Output Chart ULTRA-1 Configuration for CF VALVE Models SCHEMATIC WIRING DIAGRAM ULTRA-1120 VOLTS AC or 230 VOLTS AC 2WIRE SINGLE PHASE 50/60 HZInput and Output Chart ULTRA-2 230 VOLTS AC SCHEMATIC WIRING DIAGRAM ULTRA-2AF120 VOLTS AC 4108441084