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Bunn JDF-4SB ELECTRICAL SCHEMATIC DIAGRAM for JDF-2S, Models with Flourescent Lited Doors, 49179

Models: JDF-4D JDF-4SB JDF-4S

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ELECTRICAL SCHEMATIC DIAGRAM for JDF-2S

ELECTRICAL SCHEMATIC DIAGRAM for JDF-2S

(Models with Flourescent Lited Doors)

BLK

WHI

WHI/BLK

DISPENSE		LOCKOUT SWITCH
		WHI/GRN

-		RECTIFIER +
		µ
	˜

1	BLK
	BLK
	WHI
4
WHI
BR or BLU
GRN
	Chassis Ground

	TRANSFORMER
LINE		LOAD
N	DOOR	HARNESS

WHI/BLK

WHI/GRN

BRN or BLU

WHI

GRN

3 1 DOOR (Dual Ballast)

3 1 DOOR (Single Ballast)

WHI

1

WHI

WHI

BRN

RE

D

WHI

2

BL

K

WHI

1

WHI

WHI

BRN

RE

D

WH

I

2

BL

K

GRN

WHI

Chassis Ground

WHI

BL U

BL U

BL K

BL K

RE D

WHI

GRN

Chassis

Ground

BALLASTBALLAST WHI WHI

BALLAST

WHIWHI

230V

MODELS

NL1GND

GRN/YE

EMIFILTERL

BA BA

BL U

WHI/GRN

BR N

BRN/WHI

120V

MODELS

L1 N

A B

A B

BLK

WHI

GRN

				BLK
			FAN	BLK
	WHI		FAN	1
	WATER INLET VALVE	WHI	RED BLK
			1
		SOL		WHI
				BLK
			WHI/RED	WHI/BLK
		BRN	WHI/RED	WHI/BLK

t t

THERMISTOR

WATER BATH THERMISTOR

CABINET

Models with Mechanical SwitchesRIGHT

DISPENSE SWITCH

BLKRED

BLKGRN

1 GRN or YELLEFT REDDISPENSE BLKSWITCH BLK

BLK

DIAGRAM JDF-2S

TRANSFORMER

BLK	WHI
	L I N E
	L O A D
BLU	WHI/BLU

WHI/BLK

	RED	GRY	BLK WHI
	J3-1 J3-2	J7-1 J7-2	J9-1 J9-2
BRN	5-J1
BRN
WHI/BL	K	C O N T R O L
BLK
WHI	1-J1
	1-J1

BLK

REFRIGERATION SWITCH

J2-1

J2-6

J5-1

J5-4

P C B O A R D
J6-1 J6-3 J12-1 J12-3	J11-1	J11-5

Chassis Ground

DISPENSE LOCKOUT SWITCH

BLK

MATIC CORPORATION

SCHEMATIC WIRING

Models with Dual Dispense Option

TRANSFORMER

BLK	WHI
	L I N E
	L O A D
BLU	WHI/BLU

K1

WHI

CONDENSOR FAN

WHI

	RED/BLK			RED ORN VIO	YEL	WHI/ORN WHI/VIO
	RECIR. RED/BLK PUMP	GRN	WHI/VIO	VIO	WHI/ORN	YEL	RED	ORN
	WHI		1
WHI	WHI		WHI/VIO	VIO	WHI/ORN	YEL	RED	ORN
MOTOR
BLU/BLK	RIGHT DISPENSE	ORN				RIGHT DISPENSE	WHI/ORN
BLU/BLK	RIGHT DISPENSE	PUMP				RIGHT DISPENSE		SOL

WHI/BLU	BLU WHI/BLU
12

BLU

BLK RED BLU YEL ORN
BLK RED BLU YEL ORN
-1	-5	5-J5
J6	J6	5-J5
		1-J5
		3-J1
		1-J1
	AUXILLARY CONTROLBOARD	5-J4
		1-J4

38951.0001D 10/09 © 2006 BUNN-O-

VOLTS AC or VOLTS AC WIRE PHASE

COMPRESSOR ASSY	COMPRESSOR MOTOR LIMIT THERM.
	BLU/BLK

RUN	N
RUN	2	1
	5

	6	PTC ASSY
	6
START	3	4

1-GRN/YEL

RED/BLK					RED		YEL
				K1
BLU/BLK				LEFT DISPENSE	VIO		YEL
BLU/BLK					PUMP		SOL
		6			RED		LEFT DISPENSE WHI/VIO
		6			RED

Switches	5-J3
Switches
Membrane	1-J3
Membrane	5-J2
Models with	1-J2

STATIC SHIELD		DISPENSE STATION #2
MEDIUM	L	DISPENSE STATION #2
SMAL	L
LARGE
STOP/PLUS
STATIC SHIELD		DISPENSE STATION #1	BUTTONOPTION
STOP/PLUS	L	DISPENSE STATION #1	BUTTONOPTION
SMAL	L
MEDIUM
LARGE
			PUSH

DISPENSESTATION#2 STATICSHIELD

DISPENSE

DISPENSESTATION#1 STATICSHIELD

DISPENSE

120 230 2 SINGLE

52	49179	110613

Image 52

Bunn JDF-4SB ELECTRICAL SCHEMATIC DIAGRAM for JDF-2S, Models with Flourescent Lited Doors, Schematic Wiring, 49179, 110613

Contents

SERVICE & REPAIR MANUAL JDF-2S, JDF-4S JDF-4D, JDF-4SBBUNN-O-MATIC CORPORATION 49179.0000C 02/14 2013 Bunn-O-Matic CorporationBUNN-O-MATIC COMMERCIAL PRODUCT WARRANTY CONTENTS Safety firstBasic Maintenance Preventive MaintenanceRecommended Daily Cleaning Instructions REQUIRED REGULAR MAINTENANCE TROUBLESHOOTING PROBLEMPROBABLE CAUSE Cold Water CirculationTROUBLESHOOTING Continued RefrigerationDispenser Locked Out PROBLEMTROUBLESHOOTING Continued PROBLEMPROBABLE CAUSE REMEDYconcentrate only water onlyTROUBLESHOOTING Continued PROBLEMTROUBLESHOOTING Continued PROBLEM1. Initial fill/setup PROBABLE CAUSETROUBLESHOOTING Continued PROBLEMfrom bag-in-box connector to bottle PROBABLE CAUSESERVICE COMPONENT ACCESSSERVICECONT ACCESS PANELS FIG. 1 ACCESS PANELSJDF-4S shown 49179SERVICECONT DISPENSE PLATFORM REMOVAL The JDF-4S uses 2 of the two head dispense platformsFIG. 3 BALLAST SERVICE CONT Ballast JDF-2S,4SLocation Location SERVICE CONT Cabinet Fan all ModelsFIG. 5 CABINET FAN SERVICE CONT LG Compressor JDF-2S,4S,4D GRN WireSERVICE CONT Compressor Cont SERVICE CONT GD Compressor JDF-2S,4S,4D FIG. 11 COMPRESSORLocation FIG.12 COMPRESSOR THERMALBLU/BLK GRN WHI SERVICE CONT Compressor ContPlugs into Relay SERVICE CONT Compressor JDF-4SB 230V shownSERVICE CONT Compressor Cont BLU/BLKBLU from Capacitor BRN from CapacitorSERVICE CONT Compressor Switch all Models FIG. 19 COMPRESSOR SWITCHLocation RED/BLK BLKSERVICE CONT Condenser Fan all Models FIG. 21 CONDENSER FANLocation BLU/BLKSERVICE CONT Control Board, Main all Models SERVICE CONT Portion Control Board JDF-2S,4S Disconnect the dispenser from the power sourceSERVICE CONT Push Button Control Board JDF-4D FIG. 28 CONTROL BOARD CONNECTORSSERVICE CONT Portion Control Board JDF-4DSERVICE CONT Circulation Pump all Models SERVICE CONT Dispense Platform Switch all Models FIG. 33 DISPENSE PLATFORM SWITCHSERVICE CONT Dispense Pump all Models except JDF-4D FIG. 38 DISPENSE MOTOR CONNECTORS SERVICE CONT Dispense Motor all ModelsFIG. 37 DISPENSE MOTOR SERVICE CONT Dispense Valve all Models FIG. 39 DISPENSE VALVEDispense Station #1 WHI/VIO #3 WHI/VIO Dispense Station #4 WHI/ORN YEL to Control BoardSERVICE CONT Dispense Switches JDF-2S, JDF-4S P1449SERVICE CONT Cold Water Dispense Switch JDF-4S only SERVICE CONT Dispense Membrane Switch all Models LocationFIG. 48 MEMBRANE SWITCH SERVICE CONTCold Water Dispense Membrane Switch all Models FIG.47 MEMBRANE SWITCHESFIG. 49 EMI FILTER SERVICE CONT EMI Filter all ModelsJDF-4S shown FIG. 51 LAMPS & HOLDERS SERVICE CONT Lamps, Holders and Ballasts Early ModelsFIG. 52 LAMP HOLDERS SERVICE CONT LED Lamps JDF-2S, JDF-4S SERVICE CONT Rectifier JDF-2S, JDF-4SFIG. 55 RECTIFIER SERVICE CONT Relay all ModelsFIG. 57 RELAY SERVICE CONT Resistor all 230V ModelsFIG. 59 RESISTOR SERVICE CONT Solenoid - Cold Water JDF-4S only WHI/VIO to Control BoardWHI to Control Board FIG. 62 COLD WATER SOLENOIDSERVICE CONT Solenoid - Inlet all Models BRN to Control BoardSERVICE CONT Temperature Probe all Models TEMPRESISTANCE VOLTAGESERVICE CONT Temperature Sensor all Models FIG. 67 TEMPERATURE SENSORTEMP RESISTANCESERVICE CONT Transformer all Models WHI/BLU to ControlBoard J6-1,J12-1 to ControlSERVICE CONT Transformer - Lited Doors JDF-2S, JDF-4S WHI/GRN - T8WHI/BLK - T12 WHI - 120V T2, 240V T6Triac Map StationStation StationDIAGRAM for JDF-2S LED Lited Doors SCHEMATIC WIRING DIAGRAM JDF-2SELECTRICAL SCHEMATIC Models with 2 WIREELECTRICAL SCHEMATIC DIAGRAM for JDF-2S Models with Flourescent Lited DoorsSCHEMATIC WIRING DIAGRAM JDF-2SELECTRICAL SCHEMATIC DIAGRAM for JDF-4S Models with LED Lited Doors SCHEMATIC WIRING DIAGRAM JDF-4S2 WIRE SINGLE PHASEELECTRICAL SCHEMATIC DIAGRAM for JDF-4S SCHEMATIC WIRING DIAGRAM JDF2 WIRE SINGLE PHASE Models with Flourescent Lited DoorsELECTRICAL SCHEMATIC DIAGRAM for JDF-4D Press & Release ModelsSCHEMATIC WIRING DIAGRAM JDF-4D 2 WIREELECTRICAL SCHEMATIC DIAGRAM for JDF-4D Portion Control Models SCHEMATIC WIRING DIAGRAM JDF-4D2 WIRE SINGLE PHASEELECTRICAL SCHEMATIC DIAGRAM for JDF-4S-SB SCHEMATIC WIRING DIAGRAM JDF-4S-SB2 WIRE SINGLE PHASE