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Bunn JDF-4S service manual Operating Controls, Refrigeration Switch

Models: JDF-4S

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OPERATING CONTROLS

Refrigeration Switch

The refrigeration switch is located on the Electrical Panel of the dispenser near the Circuit Board. This switch controls power to the water bath pump and relay contacts for the compressor and condenser fan motor.

FIG 7 Refrigeration Switch

Product Dispense Switch (Mechanical Switch Machines)

Pressing and holding switch will initiate product flow from the respective nozzle; releasing the switch will stop the flow.

FIG 9 Product Dispense Switches - JDF-2S

FIG 10 Product Dispense Switches - JDF-4S

8	44744.2 110813

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Bunn JDF-4S service manual Operating Controls, Refrigeration Switch

Contents

BUNN-O-MATICCORPORATION INSTALLATION & OPERATING GUIDEJDF-2S JDF-4S Silver SeriesBUNN-O-MATICCOMMERCIAL PRODUCT WARRANTY CONTENTS USER NOTICESWARNING AVERTISSEMENT INITIAL SET-UP CE REQUIREMENTSELECTRICAL REQUIREMENTS PLUMBING REQUIREMENTSDOOR COVER INSTALLATION PLUMBING HOOKUP INITIAL FILLINITIAL FILL Continued Refrigeration Switch OPERATING CONTROLSProduct Dispense Switch Membrane Switch Machines Dispense Lockout SwitchProgram Switch OPERATING CONTROLS ContinuedPortion Control Option Mechanical Switch Machines Push and Hold Membrane Switch MachinesPortion Control Option Membrane Switch Machines OPERATING CONTROLS Continued DISPENSER USE1.Unplug dispenser from power source OPERATING CONTROLS ContinuedCLEANING & PREVENTIVE MAINTENANCE Daily Rinse ProcedureDaily Parts Washing Sanitize Process for Semi-Automaticand ManualAnnually Replace Pump Tubing CLEANING contMonthly Clean Condenser Coils and Filter ADJUSTMENT & OPTIONAL SETTINGS Water Flow Testing and AdjustmentLOADING PRIMINGFrozen Concentrates Ambient Concentrates OptionalADJUSTMENT & OPTIONAL SETTINGS cont Total Dispense Ratio Set Up ProcedureRatio Target 1.64Temperature Compensated Refractometer Method Optional Cold Water Flow AdjustmentDispenser Lockout ADJUSTMENT & OPTIONAL SETTINGS contCircuit Board LED Indicators - JDF-2SEarly Models FUNCTION LISTLED # LED ColorFUNCTION LIST Continued LED #LED Color IlluminatesTROUBLESHOOTING PROBLEMPROBABLE CAUSE REMEDYREMEDY TROUBLESHOOTING cont PROBLEM RefrigerationPROBABLE CAUSE TROUBLESHOOTING cont PROBLEMPROBABLE CAUSE REMEDYconcentrate only water onlyTROUBLESHOOTING cont PROBLEMTROUBLESHOOTING cont PROBLEM1. Initial fill/setup PROBABLE CAUSETROUBLESHOOTING cont PROBLEMPROBABLE CAUSE Unit is not workingCOOLANT SCHEMATIC DIAGRAM EVAPORATORPROCESS TUBE COMPRESSORSCHEMATIC WIRING DIAGRAM JDF-2S 2 WIRESINGLE PHASE 44744.2SCHEMATIC WIRING DIAGRAM JDF-2S 2 WIRESINGLE PHASE 44744.2SCHEMATIC WIRING DIAGRAM JDF-4S 2 WIRESINGLE PHASE 44744.2SCHEMATIC WIRING DIAGRAM JDF-4S 2 WIRESINGLE PHASE 44744.2shown.See Initial Fill QUICK SETUP GUIDE - JDF-2Sand JDF-4S JDF-2SshownPlumbing Requirements