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Bunn ULTRA-2 manual 41084

Models: ULTRA-2

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Bunn ULTRA-2 manual 41084

Contents

SERVICE & REPAIR MANUAL ULTRA-1 ULTRA-2BUNN-O-MATICCORPORATION 41084.0000D 03/13 2009 Bunn-O-MaticCorporationBUNN-O-MATICCOMMERCIAL PRODUCT WARRANTY CONTENTS Preventive MaintenanceService USER NOTICESSafety first Basic MaintenanceFault codes INTRODUCTION161h TEMP & TORQUE SCREENDISPLAY TEMP & TORQUE OPERATING CONTROLS ULTRA-1 OPERATING CONTROLS ULTRA-2 RECOMMENDED DAILY CLEANING ULTRA-2shown RECOMMENDED DAILY CLEANING Continued Auto-fillCleaning Instructions With Brixing Pump InstalledSanitizing Procedure Materials requiredPOSSIBLE CAUSES FOR FALSE READINGS PREVENTIVE MAINTENANCENORMAL OPERATION REQUIRED REGULAR MAINTENANCE Semi Annual Kit ContentsINSTRUCTIONS 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 TROUBLESHOOTING cont Temperature Sensor Error TEMPERATURE SENSOR SHORTEDTEMPERATURE SENSOR OPEN Thermistor unplugged or break in wiring“FILTER NEEDS CLEANING!!!” TROUBLESHOOTING cont Clean Filter Messages“FILTER NEEDS CLEANING” SERVICE COMPONENT ACCESS PANELSSERVICEcont AUGER MOTORS FIG. 1 AUGER MOTORSMOTOR COIL RESISTANCE 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 SERVICE cont Location120V COMPRESSORS 230V COMPRESSORSSERVICE cont 120V DISPENSERS230V DISPENSERS FIG. 16 COMPRESSOR START RELAY TERMINALSCOMPRESSOR AMERICOLD ULTRA-2cont SERVICE contRemoval and Replacement Compressor Assy SERVICE cont COMPRESSOR EMBRACO ULTRA-2 SERVICE cont COMPRESSOR EMBRACO ULTRA-2cont Model T-2155FIG. 22 THERMAL OVERLOAD PROTECTOR TERMINALS Model T-2168SERVICE cont COMPRESSOR EMBRACO ULTRA-2cont Compressor Specification CSR Motor Wiring DiagramCompressor Model Capacitor RatingsSERVICE cont COMPRESSOR EMBRACO ULTRA-2 Important SafeguardsCompressor Wiring Diagram SERVICE cont COMPRESSOR EMBRACO ULTRA-2 Check Compressor Windings for Ground FaultExternal Thermal Protector Potential Start Relay Mounting PositionStart Capacitor Run CapacitiorSERVICE cont COMPRESSOR APPLIANCES ULTRA-1 1.Compressor Start Relay2.Compressor Run Capacitor 3.Thermal Overload ProtectorSERVICE cont FIG. 26 RELAY TERMINALSFIG. 28 COMPRESSOR CAPACITOR 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 SCHEMATIC WIRING DIAGRAM ULTRA-1 120 VOLTS AC or 230 VOLTS AC 2WIRE SINGLE PHASEConfiguration for CF VALVE Models 50/60 HZInput and Output Chart ULTRA-2 SCHEMATIC WIRING DIAGRAM ULTRA-2AF 120 VOLTS AC230 VOLTS AC 4108441084