JDF-2S, JDF-4S JDF-4D, JDF-4SB SERVICE & REPAIR MANUAL BUNN-O-MATIC CORPORATION POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 PHONE: (217) 529-6601 FAX: (217) 529-6644 To ensure you have the latest revision of the Operating Manual, or to view the Illustrated Parts Catalog, Programming Manual, or Service Manual, please visit the Bunn-O-Matic website, at www.bunn.com. This is absolutely FREE, and the quickest way to obtain the latest catalog and manual updates.
BUNN-O-MATIC COMMERCIAL PRODUCT WARRANTY Bunn-O-Matic Corp. (“BUNN”) warrants equipment manufactured by it as follows: 1) Airpots, thermal carafes, decanters, GPR servers, iced tea/coffee dispensers, MCP/MCA pod brewers thermal servers and Thermofresh servers (mechanical and digital)- 1 year parts and 1 year labor. 2) All other equipment - 2 years parts and 1 year labor plus added warranties as specified below: a) Electronic circuit and/or control boards - parts and labor for 3 years.
INTRODUCTION Safety first! To avoid electrical shock, unplug dispenser from power source before servicing inside. Basic Maintenance In order to maintain proper machine operation, a Preventative Maintenance schedule must be performed on a regular basis. The following procedures pretain to all versions in the JDF family of machines unless otherwise noted. CONTENTS Warranty....................................................................................................................................
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 2. Close door, place an empty con- 3. Dispense from each station unproduct containers to discontil clear water flows from the tainer under the dispense noznect them from the machine inzles. dispense nozzle. let. 4.
REQUIRED REGULAR MAINTENANCE: When performing Daily-Weekly Cleaning procedures, inspect o-rings, seals, and bushings for signs of wear or damage and replace immediately. Check and/or replace every 6 months or as required: 39690.0000 Pump Tube Replacement Kit (Includes items indented below) 28755.1011 Tube, Norprene .25" ID x 17.0" lg 32732.0000 Clamp .39"/.48" 32656.0000 Fitting, Elbow .25" Barb x .38" Barb 21275.0003 Clamp .57"/.70" 34325.0032 Hose, Flex .38" ID x 5.
TROUBLESHOOTING A troubleshooting guide is provided to suggest probable causes and remedies for the most likely problems encountered. If the problem remains after exhausting the troubleshooting steps, contact the Bunn-O-Matic Technical Service Department. • • • • • • • Inspection, testing, and repair of electrical equipment should be performed only by qualified service personnel. All electronic components have high voltage ac and low voltage dc potential on their terminals.
TROUBLESHOOTING (Continued) PROBLEM PROBABLE CAUSE 1. Compressor ON/OFF switch. Refrigeration Dispense stations not working. Note: Cooling failure or excessive bath and cabinet temperatures for 2. Dirty condenser filter or fins. more than 4 hours will result in dispense lockout or no dispense. 3. Condenser fan not running. REMEDY Check for "ON" position or no continuity - replace switch. Clean filter and fins or replace condenser filter. (Filter not supplied on some machines).
TROUBLESHOOTING (Continued) PROBLEM PROBABLE CAUSE Dispense station not working 1. Dispense Lockout switch set to Place switch in ON position. OFF position. 2. Dispense switch failed All stations dispense concentrate Main water supply only Frozen bath REMEDY Check switch and harness for proper continuity. Check for ON position. A) Compressor relay/contacts shorted - replace relay. B) Recirculating pump - replace or check for kinked flex line.
TROUBLESHOOTING (Continued) PROBLEM PROBABLE CAUSE REMEDY Dispense station concentrate only Water solenoid Replace solenoid (24vdc) or check wire connection between water valve and main control board. Dispense station water only Concentrate out Replace refill concentrate container or BIB Product pump not pumping Check for proper counterclockwise rotation of pump rollers. If counterclockwise, replace pump tubing. If clockwise, wire connection to pump is reversed. Switch wires on terminals.
TROUBLESHOOTING (Continued) PROBLEM PROBABLE CAUSE REMEDY Water leak filling drip tray or around 1. Initial fill/setup dispense deck area Some expansion normal. May fill drip tray during initial ice block formation 2. Dispense deck Inspect or replace fittings clamps, o-rings, solenoids and quick disconnect fittings. NOTE: Dispense deck area slopes to drain tube that leads to the drip tray. 3. Water pressure greater than Install water pressure regulator and 100psi reduce to 50 psi.
TROUBLESHOOTING (Continued) PROBLEM PROBABLE CAUSE REMEDY Unit is not working 1. Step-down transformer. Check for 120/24 or 230/24 vac. If no 24vac reading, replace step-down transformer. 2. Main control board. If 24 vac present and no LED’s lit, replace control board.. Difficulty brixing and/or weak bever- 1. Product viscosity or too cold. age Thorough thaw of product before use (35° - 40°) 2. Low water pressure. Maintain 20 psi or higher and a minimum flow rate of 1 fl oz/sec. 3.
SERVICE This section provides procedures for testing and replacing various major components used in this dispenser should service become necessary. Refer to Troubleshooting for assistance in determining the cause of any problem. WARNING - Inspection, testing, and repair of electrical equipment should be performed only by qualified service personnel.
SERVICE(CONT.) ACCESS PANELS Location: All access panels are similar through the whole JDF family (JDF-4S shown). Before removing panels, make sure power is OFF to the machine and water is disconnected accept where indicated in testing procedures. Retain all screws and other attaching hardware for re-assembly. JDF-4S shown FIG.
SERVICE(CONT.) DISPENSE PLATFORM REMOVAL 1. 2. 3. 4. 5. 6. Remove concentrate dispense tips by turning 1/4 turn to the left, then pull straight down. Lift and remove product shelf to access dispense platform(s). Remove front thumb screw holding dispense platform(s). Disconnect 12 pin connector above dispense platform in rear. Disconnect 3/8” water line at quick disconnect. Remove dispense platform(s) by pulling forward. JDF-2S shown The JDF-4S uses 2 of the two head dispense platforms. FIG.
SERVICE (CONT.) 5. Remove the wire to the ballast from the back of each bracket. 6. To disengage the ballast wire from the bracket, push a 1/16” allen wrench (or equivalent tool) into the front hole that lines up with the wire in the back. Pull the wire out. 7. Repeat for each bracket. 8. White jumper must remain in place on the back of the light socket. 9. Remove screws from each ballast. Remove the green ground wire from the ballast bracket by removing the bracket’s bottom screw. 10.
SERVICE (CONT.) Cabinet Fan (all Models) Removal and Replacement: 1. Disconnect the dispenser from the power source. 2. Remove the four screws attaching the fan and cover assembly. 3. Gently pull the cover forward and disconnect the 2-pin connector from the main wiring harness. 4. Remove the fan from the cover assembly and discard the old fan. 5. Install the new fan to the cover assembly using screws previously removed. 6. Reconnect the fan to the 2-pin connector on the main wiring harness. 7.
SERVICE (CONT.) LG Compressor (JDF-2S,4S,4D) Test Procedures: Compressor Relay: Refer to FIG. 8 JDF-4S shown FIG. 7 COMPRESSOR 1. Disconnect the dispenser from the power source. 2. Remove compressor terminal cover retainer (1). 3. Connect a voltmeter across the white wire and the blue/black wire. Connect the dispenser to the power source. The indication must be: (a) 120 volts ac for two wire 120 volt models or (b) 230 volts ac for two wire 230 volt models. 5.
SERVICE (CONT.) Compressor (Cont.) Removal and Replacement: Compressor Relay: Refer to FIG. 8 1. Remove the terminal cover (1) 2. Disconnect the white wire from the compressor relay. 3. Pull relay (2) off of the compressor pins and discard. 4. Push new relay onto the compressor pins. 5. Refer to Fig. 9 and reconnect the wires. 6. Reinstall terminal cover (1). WHI Wire Compressor Thermal Overload Protector: Refer to FIG. 8 1. Remove terminal cover (1). 2.
SERVICE (CONT.) GD Compressor (JDF-2S,4S,4D) Test Procedures: Compressor Start Relay: Refer to FIG. 12 WARNING: The compressor capacitor must be properly discharged before proceeding. This is most commonly done on low voltage capacitors by shorting across the terminals with a screwdriver. JDF-4S shown FIG. 11 COMPRESSOR 1. Disconnect the dispenser from the power source. 2. Remove compressor terminal cover retainer (4). 3. Connect a voltmeter across the white wire and the blue/black wire.
SERVICE (CONT.) Compressor (Cont.) Removal and Replacement: Compressor Start Relay: Refer to FIG. 12 1. Remove the terminal cover (4) 2. Disconnect the wires from the compressor start relay. 3. Pull relay (1) off of the compressor pins and discard. 4. Push new relay onto the compressor pins. 5. Refer to Fig. 26 and reconnect the wires. 6. Reinstall terminal cover (4). BLU/BLK GRN WHI FIG. 13 RELAY TERMINALS Compressor Thermal Overload Protector: Refer to FIG. 12 1. Remove terminal cover (4). 2.
SERVICE (CONT.) Compressor (JDF-4SB) Test Procedures: Compressor Start Relay: Refer to FIG. 16 WARNING: The compressor capacitor must be properly discharged before proceeding. This is most commonly done on low voltage capacitors by shorting across the terminals with a screwdriver. 1. Disconnect the dispenser from the power source. 2. Remove compressor terminal cover retainer (4). 3. Connect a voltmeter across the white wire and the blue/black wire. Connect the dispenser to the power source.
SERVICE (CONT.) Compressor (Cont.) Removal and Replacement: Compressor Start Relay: Refer to FIG. 16 1. Remove the terminal cover (4) 2. Disconnect the wires from the compressor start relay. 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). BLU/BLK GRN WHI BLU from Capacitor BRN from Capacitor FIG. 17 RELAY TERMINALS Compressor Thermal Overload Protector: Refer to FIG. 16 1.
SERVICE (CONT.) Compressor Switch (all Models) Removal and Replacement: 1. Disconnect the dispenser from the power source. 2. Remove the cover or splash panel to gain access to the switch. 3. Gently disconnect the wiring harness from the switch. 4. Remove the switch from the mounting bracket and discard. 5. Install the new into the mounting bracket. 6. Reconnect the wiring harness to the new switch. 7. Install covers or panels previously removed. 8. Reconnect power to the dispenser. JDF-4S shown P1684.
SERVICE (CONT.) Condenser Fan (all Models) Removal and Replacement: 1. Disconnect the dispenser from the power source. 2. Remove the four screws attaching the fan and cover assembly to the refrigeration cabinet. 3. Gently pull the cover assembly forward and disconnect the 2-pin connector from the fan to the main harness. 4. Remove the fan from the cover assembly and discard. 5. Install the new fan onto the cover assembly. 6. Reconnect the wiring harness to the new fan. 7.
SERVICE (CONT.) Control Board, Main (all Models) Removal and Replacement: 1. Remove the four #6-32 screws securing the control board to the component bracket. 2. Disconnect all the plugs on the main wiring harness from the connectors on the control board. 3. Remove the spacers from the control board and discard. 4. Install the spacers on to the new control board 5. Reconnect all plugs on the main harness to the connectors on the control board. 6.
SERVICE (CONT.) Portion Control Board (JDF-2S,4S) Removal and Replacement: 1. Remove the five screws securing the door cover to the door frame. 2. Carefully pull the cover forward and disconnect all switch harnesses from the connectors on the control board. 3. Remove the four #6-20 screws securing the control board to the light panel. 4. Remove the spacers from the control board and discard the old board. 5. Install the spacers on to the new control board. 6.
SERVICE (CONT.) Push Button Control Board (JDF-4D) Removal and Replacement: 1. Remove the five screws securing the door cover to the door frame. 2. Carefully pull the cover forward and disconnect all switch harnesses from the connectors on the control board. 3. Remove the four #6-20 screws securing the control board to the light panel. 4. Remove the spacers from the control board and discard the old board. 5. Install the spacers on to the new control board. 6.
SERVICE (CONT.) Portion Control Board (JDF-4D) Removal and Replacement: 1. Remove the five screws securing the door cover to the door frame. 2. Carefully pull the cover forward and disconnect all switch harnesses from the connectors on the control board. 3. Remove the four #6-20 screws securing the control board to the light panel. 4. Remove the spacers from the control board and discard the old board. 5. Install the spacers on to the new control board. 6.
SERVICE (CONT.) Circulation Pump (all Models) Removal and Replacement: 1. Remove dispense platform(s) for ease of taking out recirculating pump. 2. Remove left and right side panels. 3. Remove silicone condensation hose out of bath tank along side recirculating pump. 4. Disconnect pump motor and condenser fan wires (1/4” spade terminals). 5. Remove 2 screws left and right side of the condenser mounting bracket. Remove condenser fan assembly out the right side of the machine. 6.
SERVICE (CONT.) Dispense Platform Switch (all Models) Removal and Replacement: 1. Disconnect the dispenser from the power source. 2. Loosen the two #8-32 screws securing the component mounting bracket to the dispenser base. 3. Disconnect the two black wires from the switch. 4. Press the locking tabs of the old switch and remove from the component mounting bracket. 5. Press the new switch into the component mounting bracket. 6. Connect the two black wires to the switch terminals as shown below. 7.
SERVICE (CONT.) Dispense Pump (all Models except JDF-4D) 5. Install the new pump tube around the rotor and position into the rear housing with the clamp resting on the top edge. 6. Install the front housing to be flush with the rear housing. 7. Position the pump assembly back on the platform and secure with four #8-32 x 2.45 screws previously removed. 8. Repeat for remaining pumps. FIG. 35 DISPENSE PUMP Location: The Dispense Pumps are located on the platform assembly.
SERVICE (CONT.) Dispense Motor (all Models) Removal and Replacement: 1. Disconnect the two wires from the dispense motor. 2. Loosen the four #8-32 screws securing the motor to the platform assembly and remove the motor. 3. Inspect the gasket and rubber bushings for signs of wear and replace if necessary. 4. Position the new motor into place with the gasket and bushings onto the platform. Secure with four #8-32 screws previously removed. 5. Reconnect the two wires to the motor as shown in Fig. 38. FIG.
SERVICE (CONT.) Dispense Valve (all Models) Removal and Replacement: 1. Disconnect the two wires from the dispense valve. 2. Remove the #6-32 screw and plate securing the water manifold tube to the valve. 3. Loosen the two #6-32 screws securing the valve to the platform assembly and remove the valve. 4. Install the new valve onto the platform and secure with two #6-32 screws previously removed. 5. Inspect the o-ring on the manifold tube connector for signs of wear and replace if necessary. 6.
SERVICE (CONT.) Dispense Switches (JDF-2S, JDF-4S) Removal and Replacement: 1. Disconnect the dispenser from the power source. 2. Remove the five screws attaching the dispenser door cover to the door and move the door cover to gain access to the switches. 3. Disconnect the wires on the dispense switch to be removed from the door wiring harness. 4. Compress the clips inside the door on the dispense switch and gently push the switch through the opening. 5.
SERVICE (CONT.) Cold Water Dispense Switch (JDF-4S only) Removal and Replacement: 1. Disconnect the dispenser from the power source. 2. Remove the five screws attaching the dispenser door cover to the door and move the door cover to gain access to the switches. 3. Disconnect the wires on the dispense switch from the door wiring harness. 4. Compress the clips inside the door on the dispense switch and gently push the switch through the opening. 5.
SERVICE (CONT.) Dispense Membrane Switch (all Models) Removal and Replacement: 1. Disconnect the dispenser from the power source. 2. Open the dispenser door. 3. Remove the four #8-32 screws securing the lower door panel and remove the panel. 4. Disconnect the six pin harness from the switch board. 5. Carefully peel the membrane switch from the front of the switch bezel. 6. Remove any excess adhesive from the bezel surface. 7. Remove the backing from the new membrane switch. 8.
SERVICE (CONT.) Cold Water Dispense Membrane Switch (all Models) Removal and Replacement: 1. Disconnect the dispenser from the power source. 2. Open the dispenser door. 3. Remove the four #8-32 screws securing the lower door panel and remove the panel. 4. Disconnect the three pin harness from the switch board. 5. Carefully peel the membrane switch from the front of the switch bezel. 6. Remove any excess adhesive from the bezel surface. 7. Remove the backing from the new membrane switch. 8.
SERVICE (CONT.) EMI Filter (all Models) Removal and Replacement: 1. Disconnect the wires from the EMI Filter. 2. Remove the two #8-32 screws and nuts securing the EMI Filter. 3. Remove and discard EMI Filter. 4. Install new EMI Filter using two #8-32 screws and nuts to secure EMI Filter to its former location. 5. Refer to Fig. 50 when reconnecting the wires. JDF-4S shown FIG.
SERVICE (CONT.) Lamps, Holders and Ballast(s) (Early Models) Removal and Replacement: 1. Disconnect the dispenser from the power source. 2. Remove the five #10-32 screws securing the door cover to the door and move the cover aside to gain access to the light panel. 3. Rotate the lamp to remove from the lamp holders. 4. Pry the lamp holder from light panel. 5. Cut the two wires from the ballast as close the lamp holder as possible and remove the lamp holder. 6.
SERVICE (CONT.) LED Lamps (JDF-2S, JDF-4S) Removal and Replacement: 1. Disconnect power from the dispenser. 2. Remove the five #6-32 screws securing the door cover to the door. 3. Carefully lower the door cover and disconnect the lamp terminals from the LED regulator board. 4. Remove and discard the faulty LED board. 5. Install a new LED regulator board exposing the adhesive backing. 6. Refer to Fig. 54 and reconnect wires to the LED regulator board. 7.
SERVICE (CONT.) Rectifier (JDF-2S, JDF-4S) Removal and Replacement: 1. Disconnect the wires from the rectifier. 2. Remove the #10-32 screw securing the rectifier. 3. Remove the rectifier and discard. 4. Secure new rectifier with #10-32 screw. 5. Refer to Fig. 56 and reconnect the wires. BLU from Door Harness (+) WHI/GRN to Transformer (~ AC) WHI/BLK to Transformer (~ AC) WHI from Door Harness (-) FIG. 56 RECTIFIER TERMINALS FIG.
SERVICE (CONT.) Relay (all Models) 4. Disconnect the blue/black wire and the red/black wires from relay terminals #4 and #6. 5. Connect the dispenser to the power source. 6. Turn on power and check for continuity across terminals on relay. If continuity is present as described, disconnect the dispenser from power source and reconnect wires to terminals #4 and #6, the relay is working. If continuity is not present as described, do the same continuity test across terminals #2 and #8.
SERVICE (CONT.) Resistor (all 230V Models) Removal and Replacement: 1. Disconnect the dispenser from the power source. 2. Disconnect the resistor from the relay and discard. 3. Install new resistor to the relay as shown below. 4. Return power to the dispenser. FIG. 59 RESISTOR Location: The resistor is located on the relay at the electrical component mounting bracket on the lower front of the dispenser behind the splash panel. Test Procedures: 1. Disconnect the dispenser from the power source. 2.
SERVICE (CONT.) Solenoid - Cold Water (JDF-4S only) 6. Check the solenoid valve for coil action. Connect the dispenser to the power source. Press the Cold Water dispense switch and listen carefully in the vicinity of the solenoid valve for a “clicking” sound as the coil magnet attracts. 7. Disconnect the dispenser from the power source.
SERVICE (CONT.) Solenoid - Inlet (all Models) If the sound is heard as described and water will not pass through the solenoid valve, there may be a blockage in the water line before the solenoid valve or, the solenoid valve may require inspection for wear, and removal of waterborne particles. If the sound is not heard as described, replace the solenoid valve. FIG. 63 INLET SOLENOID VALVE Removal and Replacement: 1. Remove the two wires from the solenoid valve. 2.
SERVICE (CONT.) Temperature Probe (all Models) Removal and Replacement: 1. Disconnect the dispenser from the power source. 2. Remove the top rear cover. 3. Disconnect the two pin connector from the dispenser main wiring harness. 4. Remove the temperature probe by firmly pullingup on the tube at the tank lid. This will disengage the grommet from the tank lid. 5. Slide a new grommet on to the new temperature probe. 6.
SERVICE (CONT.) Temperature Sensor (all Models) Removal and Replacement: 1. Remove the left side housing panel. 2. Disconnect the plug on the temperature sensor leads from the connector on the dispenser main harness. 3. Open the cabinet door and remove the product containers. 4. Remove the cabinet fan and fan guard assembly. 5. Clip off the connector and pull the temperature sensor from the top left rear of the cabinet and discard. 6.
SERVICE (CONT.) Transformer (all Models) A C C + A Removal and Replacement: 1. Loosen the two #8-32 screws securing the component bracket to the dispenser housing base. 2. Pull component bracket out the front of the dispenser far enough so the transformer can be disconnected from the main wiring harness. 3 Remove the two #6-32 keps nuts securing the transformer to the component bracket. 5. Remove and discard the transformer. 6.
SERVICE (CONT.) Transformer - Lited Doors (JDF-2S, JDF-4S) A C C + A Removal and Replacement: 1. Loosen the two #8-32 screws securing the component bracket to the dispenser housing base. 2. Pull component bracket out the front of the dispenser far enough so the transformer connector can be disconnected from the main wiring harness. 3 Disconnect the transformer four pin connector from the four pin plug on the main wiring harness. 4.
Triac Map 1. Compressor Relay Q25 2. Station 2 Water Q27 1 3. Station 1 Water Q28 10 4. Station 1 Concentrate Q23 9 5. Station 2 Concentrate Q18 6. Station 3 Concentrate Q17 7. Station 4 Concentrate Q13 2 6 8. Station 3 Water Q7 7 8 9. Cold Water Valve Q11 10. Inlet Water Valve Q10 11.
SOL MEDIUM LARGE DISPENSE STATION #1 PUSH BUTTON OPTION DISPENSE STATION #1 STATIC SHIELD STATIC SHIELD J2-5 SMALL J2-1 STOP/PLUS DISPENSE YEL VIO K1 YEL RED STATIC SHIELD STATIC SHIELD 120 VOLTS AC or 220-230 VOLTS AC 2 WIRE SINGLE PHASE DISPENSE STATION #2 DISPENSE STATION #2 WHI/ORN ORN AUXILLARY CONTROL BOARD SOL RIGHT DISPENSE PUMP MOTOR RED ORN VIO WHI/ORN YEL J6-5 J6-1 RED ORN VIO WHI/ORN YEL WHI/VIO RED/BLK L I N E K1 BLK WHI/BLK BLK J11-1 BLK RED BLU YEL O
SOL LEFT DISPENSE PUMP YEL VIO K1 LARGE DISPENSE STATION #1 PUSH BUTTON OPTION STATIC SHIELD STATIC SHIELD J2-5 SMALL DISPENSE STATION #1 MEDIUM YEL RED STATIC SHIELD STATIC SHIELD 120 VOLTS AC or 230 VOLTS AC 2 WIRE SINGLE PHASE DISPENSE STATION #2 DISPENSE STATION #2 WHI/ORN ORN AUXILLARY CONTROL BOARD SOL RIGHT DISPENSE PUMP MOTOR L O A D RED ORN VIO WHI/ORN YEL VIO WHI/ORN YEL J6-5 J6-1 RED ORN L I N E K1 BLK WHI/BLK BLK RED BLU YEL ORN BLU WHI/BLU BLU WHI/BLU
ELECTRICAL SCHEMATIC DIAGRAM for JDF-4S (Models with LED Lited Doors) 120V MODELS 220-230V MODELS L1 N GND L1 N GRN/YEL GRN BRN BLU SCHEMATIC WIRING DIAGRAM JDF-4S B A B BLK WHI EMI FILTER A TRANSFORMER BLK WHI/BLU L I N E TRANSFORMER BLU L O A D WHI/BLU L I N E COMPRESSOR ASSY BLU/BLK WHI RUN WHI/VIO MOTOR WHI REFRIGERATION SWITCH CONDENSOR FAN RED/BLK BLK WATER INLET VALVE K1 WHI RECIR.
LARGE WHI/VIO PUMP SOL STATION 3 DISPENSE RED STATION 3 DISPENSE SOL STATION 1 DISPENSE PUMP STATION 1 DISPENSE RED 4 YEL VIO YEL VIO DISPENSE STATION #1 DISPENSE STATION #1 STATIC SHIELD STATIC SHIELD K1 DISPENSE STATION #2 DISPENSE STATION #2 N SOL STATION 4 DISPENSE PUMP STATION 4 DISPENSE SOL STATION 2 DISPENSE PUMP WHI/ORN ORN WHI/ORN ORN STATIC SHIELD STATIC SHIELD DISPENSE STATION #3 DISPENSE STATION #3 STATIC SHIELD STATIC SHIELD MOTOR WHI COLD WATER SWITCH
ELECTRICAL SCHEMATIC DIAGRAM for JDF-4D 120V MODELS SCHEMATIC WIRING DIAGRAM JDF-4D 230V MODELS L1 N GND L1 N GRN/YEL GRN BRN BLU (Press & Release Models) B A B BLK WHI EMI FILTER A TRANSFORMER L I N E WHI/BLU L O A D L I N E BLK COMPRESSOR MOTOR RUN WHI PTC ASSY 1 COLD WATER VALVE WHI/BLK WHI/VIO WHI REFRIGERATION SWITCH RED/BLK RED/BLK BLK J1-1 GRN STATION 2 PUMP DISPENSE VIO ORN RED PNK ORN WHI/GRN STATION 3 PUMP DISPENSE SOL STATION 3 DISPENSE SOL STATION 4 DISPENSE
ELECTRICAL SCHEMATIC DIAGRAM for JDF-4D 120V MODELS SCHEMATIC WIRING DIAGRAM JDF-4D 220-230V MODELS L1 N GND L1 N GRN/YEL GRN BRN BLU (Portion Control Models) B A B BLK WHI EMI FILTER A TRANSFORMER L I N E WHI/BLU L O A D L I N E BLK COMPRESSOR MOTOR RUN WHI PTC ASSY 1 COLD WATER VALVE WHI/BLK WHI/VIO WHI REFRIGERATION SWITCH RED/BLK BLK RED/BLK J1-1 GRN STATION 2 PUMP DISPENSE VIO ORN RED PNK ORN WHI/GRN STATION 3 PUMP DISPENSE WATER INLET VALVE STATION 3 DISPENSE SOL S
ELECTRICAL SCHEMATIC DIAGRAM for JDF-4S-SB 120V MODELS L1 N GND L1 N GRN/YEL GRN 230V MODELS BRN BLU SCHEMATIC WIRING DIAGRAM JDF-4S-SB B BLK WHI/BLU BLK L O A D L I N E WHI MAIN POWER ON/OFF SWITCH TRANSFORMER BLU WHI/BLU L O A D L I N E BLK COMPRESSOR MOTOR RUN WHI START 3 2 CONDENSOR FAN WHI RED PUMP STATION 2 DISPENSE VIO RED PUMP GRN ORN WHI/VIO 1 VIO WHI/ORN YEL SOL STATION 2 DISPENSE YEL YEL SOL WHI/ORN WHI/VIO VIO WHI/ORN YEL RED ORN WATER INLET VALVE RED ORN