Bunn JDF-4D, JDF-4SB manual Schematic Wiring Diagram JDF-4S

Page 53

ELECTRICAL SCHEMATIC DIAGRAM for JDF-4S

(Models with LED Lited Doors)

 

 

 

 

120V

 

220-230V

SCHEMATIC WIRING DIAGRAM JDF-4S

 

 

MODELS

 

MODELS

 

 

L1 N

GND L1 N

 

 

 

GRN

 

 

 

 

 

 

 

 

 

 

 

GRN/YEL

BRN BLU

 

 

 

 

 

 

 

EMI

 

 

 

 

 

 

 

FILTER

TRANSFORMER

 

A

B

 

A

B

 

 

 

 

BLU

L

L

BLK

A

B

 

A

B

 

 

 

 

 

 

 

 

O

I

 

 

 

 

 

 

WHI/BLU

A

N

WHI

 

 

 

 

 

D

E

 

 

 

 

 

TRANSFORMER

 

BLK

WHI

 

BLK

WHI

 

 

 

 

 

 

BLU

L

L

BLK

 

 

 

 

 

 

 

 

 

 

 

 

O

I

 

 

 

 

 

WHI/BLU

A

N

 

 

 

 

 

 

D

E

 

 

 

 

 

 

 

COMPRESSOR ASSY

 

 

 

 

 

 

 

WHI

 

 

 

 

 

 

 

 

 

 

 

BLU/BLK

 

 

COMPRESSOR

 

 

 

 

 

 

 

 

 

 

LIMIT

 

MOTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COLD WATER

 

THERM.

 

 

 

 

 

 

 

 

 

START

 

RUN

 

 

 

 

WHI

K1

WHI/BLK

VALVE

 

-16

 

 

 

 

 

 

WHI/VIO

 

WHI

 

 

 

 

 

 

 

SOL

GRN/YEL

3 6

 

5 2 N

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

PTC

1

 

 

 

 

 

 

 

 

 

 

ASSY

BLU/BLK

 

WHI

 

 

 

 

 

 

 

 

 

 

MOTOR

 

REFRIGERATION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONDENSOR FAN

 

SWITCH

 

 

 

 

BLU/BLK

RED/BLK

 

 

 

 

 

 

 

 

 

 

 

RED/BLK

 

BLK

 

 

 

K1

 

 

 

 

 

 

 

WATER INLET

 

 

 

 

 

 

 

 

 

VALVE

 

 

 

 

 

 

 

WHI

RECIR.

RED/BLK

 

 

 

 

 

 

 

 

 

 

BRN

 

WHI

 

 

 

 

 

 

 

PUMP

 

 

SOL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STATION 1

 

 

 

 

 

STATION 2

 

 

 

 

 

 

 

 

 

 

 

 

 

DISPENSE

 

 

 

 

 

DISPENSE

 

 

 

 

 

 

 

 

 

 

 

RED

 

PUMP

VIO

 

 

RED

 

 

PUMP

 

ORN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STATION 1

 

 

 

 

 

STATION 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DISPENSE

 

 

 

 

 

DISPENSE

 

 

 

 

 

 

 

 

 

 

WHI/VIO

SOL

 

YEL

 

YEL

 

 

SOL

 

WHI/ORN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STATION 3

 

 

 

 

 

STATION 4

 

 

 

 

 

 

 

 

 

 

 

 

 

DISPENSE

 

 

 

 

 

DISPENSE

 

 

 

 

 

 

 

 

 

 

 

RED

 

PUMP

VIO

 

 

RED

 

 

PUMP

 

ORN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STATION 3

 

 

 

 

 

STATION 4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DISPENSE

 

 

 

 

 

DISPENSE

 

 

 

 

 

 

 

 

 

 

WHI/VIO

SOL

 

YEL

 

YEL

 

 

SOL

 

WHI/ORN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Models with Membrane Switches

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AUXILLARY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONTROL BOARD

 

 

 

 

J2-1

 

J2-5

 

 

J3-1

 

 

J3-5

 

J4-1

 

 

 

 

J4-5

 

 

J1-1

 

J1-3

 

 

STOP/PLUS LARGE

MEDIUM SMALL

 

 

 

STOP/PLUS LARGE

MEDIUM SMALL

 

 

STOP/PLUS

 

LARGE MEDIUM

SMALL

 

 

 

DISPENSE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STATIC

 

STATIC

 

STATIC

 

 

STATIC

 

 

 

 

 

 

SHIELD

 

 

 

 

 

 

 

SHIELD

 

 

 

 

 

 

SHIELD

 

 

 

SHIELD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DISPENSE

 

 

 

 

 

 

DISPENSE

 

 

 

 

DISPENSE

 

 

 

 

COLD

 

 

 

 

STATION

 

 

 

 

 

 

STATION

 

 

 

 

 

STATION

 

 

 

 

WATER

 

 

 

 

#1

 

 

 

 

 

 

 

#2

 

 

 

 

#3

 

 

 

 

 

 

SWITCH

PUSH BUTTON OPTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DISPENSE

 

 

STATIC

 

DISPENSE

 

 

 

STATIC

DISPENSE

 

 

 

 

 

STATIC

 

DISPENSE

 

STATIC

 

 

 

 

 

 

SHIELD

 

 

 

 

 

 

 

SHIELD

 

 

 

 

 

 

SHIELD

 

 

 

SHIELD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DISPENSE

 

 

 

 

 

 

DISPENSE

 

 

 

 

DISPENSE

 

 

 

 

COLD

 

 

 

 

STATION

 

 

 

 

 

 

STATION

 

 

 

 

 

STATION

 

 

 

 

WATER

 

 

 

 

#1

 

 

 

 

 

 

 

#2

 

 

 

 

#3

 

 

 

 

 

 

SWITCH

 

GRN

 

 

WHI/VIO WHI BLK WHI/BLK BRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED

1

RED

 

 

 

 

 

 

 

1

 

5

J3-1

 

 

 

 

1

 

 

 

-

 

-

WHI/RED

 

BLK

 

FAN

WHI/VIO

WHI/VIO

 

 

J1

 

J1

J3-2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J7-1

GRY

 

 

 

 

 

 

 

 

 

 

 

 

WHI/BLK

 

 

 

 

 

 

 

 

RED

 

 

 

J7-2

 

 

 

 

 

 

 

 

J2-1

 

 

 

 

 

 

 

 

 

 

 

ORN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK or ORN

 

1

 

 

VIO

 

VIO

 

VIO

 

L

 

J9-1

 

 

 

 

 

 

 

WHI

 

 

 

 

WHI/ORN

 

WHI/ORN

 

YEL

 

O

 

J9-2

 

BLK

BLK

 

 

 

 

 

BLK WHI

 

 

YEL

 

YEL

 

WHI/ORN

 

R

 

 

 

CABINET

 

 

 

 

WHI/VIO

J2-6

T

 

 

 

 

 

 

 

 

 

 

 

N

 

 

 

 

 

THERMISTOR

RED

 

RED

 

 

 

O

 

 

 

 

t

 

 

ORN

 

ORN

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

t

 

 

 

 

 

12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WATER BATH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THERMISTOR

 

 

 

 

 

 

 

 

 

D

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

P

 

 

 

 

 

 

 

 

 

 

 

 

 

A

 

 

 

 

 

 

 

 

1

 

 

 

 

OC

 

 

Models with Mechanical Switches

WHI/VIO

TAN

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/GRN

J13-1

 

 

 

 

 

 

 

 

 

 

 

 

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VIO

 

PNK

 

PNK

 

 

 

 

 

 

 

 

 

WHI/ORN

 

BLU

 

GRY

 

 

 

 

 

 

 

 

 

YEL

 

GRY

 

BLU

 

 

 

 

 

 

 

 

 

 

 

 

 

TAN

J13-6

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED

 

WHI/GRN

 

 

 

 

 

J15-1

YEL

 

 

 

 

ORN

 

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ORN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12

 

 

WHI/BLU

J6-1

 

 

 

BLU

 

 

 

 

 

 

 

 

 

 

J15-4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLU

J6-3

 

 

J5-1

GRN or GRY

 

 

 

 

 

 

 

 

WHI/BLU

 

 

 

RED

 

 

 

 

 

 

 

 

J12-1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

BLU

J12-3

 

 

J5-4

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J6-1

BLK

 

BLK

J11-1

 

 

 

 

 

 

 

 

 

 

RED

 

RED

 

 

 

 

 

 

 

 

 

 

 

BLU

 

BLU

 

 

 

 

 

 

 

 

 

 

 

YEL

 

YEL

 

 

 

 

 

 

 

 

 

 

J6-5

ORN

 

ORN

J11-5

J8-1

J8-2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J5-1

J5-5

 

 

 

 

 

 

 

 

 

 

 

 

STOP/PLUS LARGE MEDIUM

SMALL

STATIC

 

 

YEL

 

 

 

 

 

 

 

 

SHIELD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

DISPENSE

 

 

 

 

 

 

 

 

 

 

 

 

STATION

 

 

 

 

 

 

 

 

 

 

 

 

 

#4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

 

 

 

BLK

 

 

 

 

 

 

BRN

 

 

 

 

 

BRN

 

BLK

DISPENSE

 

STATIC

 

 

 

 

 

 

 

 

 

 

 

SHIELD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YEL

DISPENSE

 

 

 

 

YEL

DISPENSE

 

Chassis

 

 

 

LOCKOUT

 

 

 

 

LOCKOUT

 

STATION

 

 

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

SWITCH

 

Ground

DISPENSE

 

 

 

 

 

 

 

 

 

 

 

 

 

#4

 

 

 

 

 

 

 

 

 

 

 

 

COLD WATER

DISPENSE

SWITCH

BLU BLK

STATION 4

DISPENSE

SWITCH

BLK ORN

STATION 3

DISPENSE

SWITCH

BLK YEL

STATION 2

DISPENSE

SWITCH

BLK RED

STATION 1

DISPENSE

SWITCH

BLK GRN

WHI

PROGRAMBRN SWITCH

GRN

Chassis

Ground

Models with Lited Doors

RED

BLK

_

BLK

 

 

_

+

 

 

+

 

RED

 

 

 

 

 

 

 

RED

 

 

 

 

BLK

_

 

 

 

_

+

 

 

 

+

 

 

Regulator

 

 

 

 

Board

 

 

RED

J2-1

J3-1

RED

 

BLK

BLK

 

 

 

 

 

 

J1-1

 

 

 

WHI

BRN

 

WHI

BRN

GRN

Door

Ground

120 VOLTS AC

 

or

 

220-230 VOLTS AC

 

2 WIRE

 

SINGLE PHASE

44746.0000A 03/11 © 2011 BUNN-O-MATIC CORPORATION

53

49179

110613

 

Image 53
Contents Phone 217 529-6601 FAX 217 JDF-4D, JDF-4SBBUNN-O-MATIC Commercial Product Warranty Introduction Recommended Daily Cleaning Instructions Required Regular Maintenance Remedy Problem Probable CauseCold Water Circulation Dispenser Locked Out Problem Probable Cause RemedyRefrigeration Continuity When dispensing. If yes, replaceEd replace relay Check for kinked flex lineWater only Concentrate onlyTray Nect fittingsWater pressure greater than 100psiAdapter assembly Pump tubing Inspect, clean, or replace tubing AgeUnit is not working Replace control boardComponent Access ServiceAccess Panels Servicecont Access PanelsDispense Platform Removal Servicecont Dispense Platform RemovalTest Procedure ServiceBallast JDF-2S,4S LocationCabinet Fan all Models Remove the four screws attaching the fan and cover assemblyLocation LG Compressor JDF-2S,4S,4DDesign Pressures High 335 Low 88 psi CompressorCompressor GD Compressor JDF-2S,4S,4DDisconnect and remove the transformer Compressor Thermal Compressor JDF-4SBBLU/BLK Compressor Switch Compressor Switch all ModelsCondenser FAN Condenser Fan all ModelsControl Board, Main all Models Test Procedure Power Supply CircuitryWith a voltmeter, back probe check the voltage Portion Control Board JDF-2S,4SSource. The indication must be 24 volts ac To the transformer See TransformerPush Button Control Board Push Button Control Board JDF-4DPortion Control Board JDF-4D With a voltmeter Circulation Pump all ModelsReturn power to the dispenser Dispense Platform Switch all ModelsDisconnect the two black wires from the switch Dispense Pump Dispense Pump all Models except JDF-4DDispense Motor all Models Reconnect the two wires to the motor as shown in FigDispense Valve Dispense Valve all ModelsDispense Switches Dispense Switches JDF-2S, JDF-4SCold Water Dispense Switch Cold Water Dispense Switch JDF-4S onlyLocation Dispense Membrane Switch all ModelsMembrane Switch EMI Filter EMI Filter all ModelsLamps & Holders Lamps, Holders and Ballasts Early ModelsLED regulator board Disconnect power from the dispenserLED Lamps JDF-2S, JDF-4S Rectifier Rectifier JDF-2S, JDF-4SVolts ac for 120 volt models Volts ac for 230 volt models Refer to to reconnect the wiresRelay all Models Resistor Resistor all 230V ModelsIf voltage is present as described, proceed to #5 Solenoid Cold Water JDF-4S only120V 1.2 kΩ 230V 3.84 kΩ Solenoid Inlet all ModelsTemp Resistance Voltage Temperature Probe all Models32 F 31.2k 34k Ω 77 F 8k 10.2k Ω77 F 350 Ω Temperature Sensor all Models32 F 5k Ω Transformer Terminals Transformer all ModelsTransformer Lited Doors JDF-2S, JDF-4S Water Q27 Compressor Relay Q25Water 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
Related manuals
Manual 28 pages 48.61 Kb Manual 28 pages 35.87 Kb Manual 31 pages 40.19 Kb

JDF-4D, JDF-4SB, 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.