Bunn JDF-4SB, JDF-4D manual Recommended Daily Cleaning Instructions

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Recommended Daily Cleaning Instructions

The use of a damp cloth rinsed in any mild, non-abrasive, liquid detergent is recommended for cleaning all surfaces on Bunn-O-Matic equipment. Do NOT clean this equipment with a water jet device.

1.Open dispenser door. Lift up on product containers to discon- nect them from the machine in- let.

2. Close door, place an empty con- 3.

tainer under the dispense noz- zles.

Dispense from each station un- til clear water flows from the dispense nozzle.

4.Open dispenser door and recon- nect all product containers.

5.Remove dispense nozzles and drip tray. Wash all parts in warm soapy water.

6.With a warm/soapy cloth, wipe down interior of cabinet and splash panel area behind dis- pensing nozzles.

7.Replace drip tray and dispense nozzles.

8.Dispense from each station un- til finished product flows from the dispense nozzles.

4	49179	110613

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Contents JDF-4D, JDF-4SB Phone 217 529-6601 FAX 217BUNN-O-MATIC Commercial Product Warranty Introduction Recommended Daily Cleaning Instructions Required Regular Maintenance Cold Water Circulation Problem Probable CauseRemedy Refrigeration Problem Probable Cause RemedyDispenser Locked Out When dispensing. If yes, replace ContinuityEd replace relay Check for kinked flex lineConcentrate only Water onlyNect fittings TrayWater pressure greater than 100psiPump tubing Inspect, clean, or replace tubing Age Adapter assemblyUnit is not working Replace control boardService Component AccessServicecont Access Panels Access PanelsServicecont Dispense Platform Removal Dispense Platform RemovalService Test ProcedureBallast JDF-2S,4S LocationRemove the four screws attaching the fan and cover assembly Cabinet Fan all ModelsLG Compressor JDF-2S,4S,4D LocationCompressor Design Pressures High 335 Low 88 psiGD Compressor JDF-2S,4S,4D CompressorDisconnect and remove the transformer Compressor JDF-4SB Compressor ThermalBLU/BLK Compressor Switch all Models Compressor SwitchCondenser Fan all Models Condenser FANTest Procedure Power Supply Circuitry Control Board, Main all ModelsPortion Control Board JDF-2S,4S With a voltmeter, back probe check the voltageSource. The indication must be 24 volts ac To the transformer See TransformerPush Button Control Board JDF-4D Push Button Control BoardPortion Control Board JDF-4D Circulation Pump all Models With a voltmeterDisconnect the two black wires from the switch Dispense Platform Switch all ModelsReturn power to the dispenser Dispense Pump all Models except JDF-4D Dispense PumpReconnect the two wires to the motor as shown in Fig Dispense Motor all ModelsDispense Valve all Models Dispense ValveDispense Switches JDF-2S, JDF-4S Dispense SwitchesCold Water Dispense Switch JDF-4S only Cold Water Dispense SwitchDispense Membrane Switch all Models LocationMembrane Switch EMI Filter all Models EMI FilterLamps, Holders and Ballasts Early Models Lamps & HoldersLED Lamps JDF-2S, JDF-4S Disconnect power from the dispenserLED regulator board Rectifier JDF-2S, JDF-4S RectifierRelay all Models Refer to to reconnect the wiresVolts ac for 120 volt models Volts ac for 230 volt models Resistor all 230V Models ResistorSolenoid Cold Water JDF-4S only If voltage is present as described, proceed to #5Solenoid Inlet all Models 120V 1.2 kΩ 230V 3.84 kΩTemperature Probe all Models Temp Resistance Voltage32 F 31.2k 34k Ω 77 F 8k 10.2k Ω32 F 5k Ω Temperature Sensor all Models77 F 350 Ω Transformer all Models Transformer TerminalsTransformer Lited Doors JDF-2S, JDF-4S Compressor Relay Q25 Water Q27Water Q28 Water Q7Diagram for JDF-2S LED Lited Doors Schematic Wiring Schematic Wiring Diagram JDF-4S Schematic Wiring Diagram JDF Schematic Wiring Diagram JDF-4D Schematic Wiring Diagram JDF-4D Electrical Schematic Diagram

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