Bunn JDF-4S service manual Schematic Wiring Diagram JDF-2S, Models with LED Lited Doors

Page 27

SCHEMATIC WIRING DIAGRAM JDF-2S

(Models with LED Lited Doors)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

120V

 

220-230V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MODELS

 

MODELS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L1 N

GND L1 N

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRN/YEL

BRN BLU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EMI

 

 

 

 

 

 

Models with Dual Dispense Option

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FILTER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

B

 

 

 

 

 

 

 

 

 

 

 

 

TRANSFORMER

 

 

 

 

 

 

 

 

 

 

 

 

A

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLU

L

L

BLK

 

 

 

 

 

 

 

 

 

GRN

A

B

 

A

B

 

 

 

 

 

 

 

 

 

 

O

I

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/BLU

A

N

WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D

E

 

 

 

 

 

 

 

 

 

 

 

 

 

BRN/WHI

WHI/GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRANSFORMER

 

 

 

 

BLK

WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLU

L

 

L

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

 

I

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/BLU

A

 

N

WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D

 

E

 

 

 

 

 

 

 

 

 

 

COMPRESSOR ASSY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLU/BLK

 

 

COMPRESSOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LIMIT

 

 

MOTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THERM.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-16

 

START

 

RUN

 

 

 

 

 

 

 

WHI

 

WHI/BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

GRN/YEL

 

 

 

 

 

 

 

 

 

 

 

K1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3 6

 

5 2 N

WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PTC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

ASSY

1

 

CONDENSOR FAN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLU/BLK

MOTOR

WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI

 

 

 

 

 

BLU/BLK

RED/BLK

 

 

 

 

 

 

 

RED/BLK

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

K1

 

 

 

 

 

 

 

 

REFRIGERATION

 

 

 

 

 

WATER INLET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI

 

 

RED/BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RECIR.

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

LEFT

 

 

 

RIGHT

 

 

 

 

 

 

 

 

VALVE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PUMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BRN

 

WHI

 

 

 

 

 

DISPENSE

 

 

DISPENSE

 

 

GRN

 

 

 

 

 

 

 

 

 

SOL

 

 

 

 

 

RED

PUMP

VIO

 

RED

PUMP

ORN

 

 

 

 

 

 

WHI BLK WHI/BLK BRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

WHI/VIO

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/VIO

 

 

 

L

 

 

 

RED

 

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J3-1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

O

5

 

WHI/RED

 

 

BLK

FAN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J1-

J1-

 

J3-2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J2-1

T

 

 

 

 

 

 

 

 

 

 

 

 

Models with Lited Doors

+ _

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ORN

 

N

J7-1

GRY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VIO

VIO

 

VIO

 

O

WHI/BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/ORN

WHI/ORN

 

YEL

 

C

J7-2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YEL

YEL

WHI/ORN

 

 

J9-1

BLK or ORN

1

 

 

 

 

LEFT

 

 

 

RIGHT

 

 

 

 

 

WHI/VIO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J2-6

 

WHI

 

 

 

 

 

DISPENSE

 

 

 

DISPENSE

 

 

 

 

 

 

 

 

J9-2

 

BLK BLK

 

 

 

 

 

 

 

 

 

RED

RED

 

 

 

 

 

BLK WHI

 

 

WHI/VIO

SOL

YEL

 

YEL

SOL

WHI/ORN

 

 

 

 

 

D

 

 

 

 

 

 

 

 

 

 

 

 

ORN

ORN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12

 

WHI/BLU

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J6-1

P

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

t

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLU

J6-3

O

 

 

t

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

CABINET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/BLU

J12-1

 

 

 

WATER BATH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THERMISTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLU

J12-3

 

 

 

THERMISTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Models with Mechanical Switches

RIGHT

 

Models with Membrane Switches

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DISPENSE

 

 

 

 

 

 

 

 

 

 

 

 

 

J6-1

 

BLK

J11-1

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

AUXILLARY

 

 

 

 

 

RED

 

 

 

 

 

BLK

 

RED

 

 

 

 

 

 

 

 

 

 

 

 

BLU

 

 

 

 

 

 

 

 

 

 

 

 

 

CONTROL BOARD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J6-5

 

ORN

J11-5

 

 

GRN or YEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J5-1

 

LEFT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

5

 

1

 

5

1

5

1

3

1

5

 

 

 

 

 

RED

 

 

DISPENSE

 

 

 

 

 

 

 

 

 

BLK

 

 

 

J2-

 

J2-

 

J3-

 

J3-

J4-

J4-

J1-

J1-

J5-

J5-

 

 

 

J8-1 J8-2

 

 

 

SWITCH

 

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J5-4

 

BLK

 

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STOP/PLUS LARGE

MEDIUM

SMALL

STATIC

STOP/PLUS

LARGE

MEDIUM SMALL

STATIC

 

 

 

 

 

 

 

 

WHI

 

 

 

 

 

 

SHIELD

SHIELD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

 

DISPENSE

 

 

 

DISPENSE

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

STATION

 

 

 

STATION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

#1

 

 

 

#2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PUSH BUTTON OPTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

 

BLK

PROGRAM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BRN

 

YEL

 

BRN

GRN

DISPENSE

 

 

 

DISPENSE

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

 

STATIC

 

 

STATIC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SHIELD

 

 

SHIELD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YEL

DISPENSE

 

 

YEL

DISPENSE

 

 

Chassis

 

 

 

 

 

 

 

 

 

 

 

 

 

LOCKOUT

 

 

LOCKOUT

Chassis

 

Ground

 

DISPENSE

 

 

 

DISPENSE

 

 

 

 

 

 

 

SWITCH

 

 

 

SWITCH

Ground

 

 

 

STATION

 

 

 

STATION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

#1

 

 

 

#2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

120 VOLTS AC

 

or

 

220-230 VOLTS AC

 

2 WIRE

 

SINGLE PHASE

44745.0000A 03/11© 2011 BUNN-O-MATIC CORPORATION

 

_ +

RED

BLK

RED

 

 

Regulator

 

 

 

RED

J2-1

Board

J3-1

RED

 

BLK

 

BLK

 

 

 

 

 

 

 

J1-1

 

 

 

 

 

 

 

 

 

 

WHI

BRN

 

 

WHI

BRN

GRN

Door

Ground

BLK

RED +

BLK _

27

44744.2 062912

 

Image 27
Contents Phone 217 529-6601 FAX 217 JDF-2S JDF-4SBUNN-O-MATIC Commercial Product Warranty User Notices ContentsPlumbing Requirements Initial SET-UPCE Requirements Electrical RequirementsSecure the door cover using 5 screws provided Door Cover InstallationPlumbing Hookup Plumbing Connections JDF-2S Plumbing Connections JDF-4SInitial Fill Initial Fill Operating Controls Refrigeration SwitchRefrigeration Switch Product Dispense Switch Mechanical Switch MachinesProgram Switch Product Dispense Switch Membrane Switch MachinesDispense Lockout Switch Dispense Lockout SwitchDispenser USE Portion Control Option Mechanical Switch MachinesPush and Hold Membrane Switch Machines Portion Control Option Membrane Switch MachinesTemperature LEDs JDF-2S Late Models Temperature LEDs JDF-4SDaily Rinse Procedure Cleaning & Preventive MaintenanceOpen dispenser door Cleaning Monthly Clean Condenser Coils and FilterWater Flow Testing and Adjustment Adjustment & Optional SettingsAmbient Concentrates Optional LoadingPriming Frozen ConcentratesRatio Target Dispenser Lockout Optional Cold Water Flow AdjustmentLED Color Illuminates Circuit Board LED Indicators JDF-2S Early ModelsFunction List LED #JDF-4S Remedy TroubleshootingProblem Probable CauseSpace around machine TroubleshootingCompressor ON/OFF switch Dirty condenser filter or fins RefrigerationProblem Probable Cause Remedy Water only Concentrate onlyWater pressure greater than Initial fill/setupNect fittings TrayProblem Probable Cause Coolant Schematic Diagram Models with LED Lited Doors Schematic Wiring Diagram JDF-2SRED BLK Models with Flourescent Lited DoorsBRN BLU EMI Schematic Wiring Diagram JDF-4SWire Shown.See Initial Fill Quick Setup Guide JDF-2S and JDF-4S JDF-2S shown
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Manual 28 pages 48.61 Kb Manual 28 pages 35.87 Kb Manual 57 pages 43.05 Kb

JDF-4S specifications

The Bunn JDF-4S is a high-performance commercial coffee brewer designed to meet the needs of busy coffee shops, restaurants, and other establishments requiring a reliable and efficient coffee brewing solution. This versatile machine boasts an array of advanced features and technologies, making it a prominent choice among professionals in the coffee industry.

One of the most notable features of the Bunn JDF-4S is its ability to brew up to 4 gallons of coffee per hour, ensuring that establishments can keep pace with high-demand environments. This capacity makes it an ideal choice for venues that experience peak periods of coffee consumption, minimizing wait times for customers. The machine is designed with a multiple-brew option, allowing users to select various brew methods, which can cater to diverse customer preferences.

The JDF-4S incorporates Bunn’s patented brewing technology, which utilizes a precision-controlled process to ensure optimal flavor extraction. The brewed coffee is delivered at an ideal temperature, typically between 195°F and 205°F, promoting maximum taste and aroma. The machine also features a programmable digital controller that enables users to set specific brew times and adjust water temperature settings to achieve consistent results.

Another significant characteristic of the Bunn JDF-4S is its durability and ease of use. Constructed with high-quality materials, the machine is built to withstand the rigors of daily operation. The user-friendly interface features a simple touchpad design for easy navigation and programming. Additionally, the machine includes a built-in diagnostics program, helping users quickly identify and troubleshoot potential issues, thereby minimizing downtime.

The JDF-4S also offers flexible brewing options, including iced coffee brewing, enhancing its versatility. It is compatible with Bunn’s extensive range of coffee and tea dispensers, allowing businesses to expand their beverage offerings effortlessly. Furthermore, the unit features an easy-access water reservoir for quick refilling and reduced wait times during busy service periods.

In terms of maintenance, the Bunn JDF-4S is designed with user convenience in mind. The machine includes a rinse and clean cycle to ensure optimal hygiene and coffee quality. Integrated clean alerts guide users through the cleaning process, promoting regular upkeep and ensuring the longevity of the brewer.

In summary, the Bunn JDF-4S represents a cutting-edge solution for coffee brewing that prioritizes performance, versatility, and ease of use. With its advanced brewing technology, user-friendly features, and robust construction, it offers an exceptional choice for businesses seeking to serve high-quality coffee efficiently.