Bunn JDF-4S manual Schematic Wiring Diagram JDF-2S

Page 26

SCHEMATIC WIRING DIAGRAM JDF-2S

MODELS

 

MODELS

 

120V

 

230V

 

L1 N

GND L1 N

 

 

 

 

GRN/YEL

BRN BLU

EMI

FILTER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

B

A

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

B

A

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRANSFORMER

 

 

BLK

WHI

BRN/WHI

WHI/GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLU

L

L

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

I

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/BLU

A

N

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D

E

WHI

 

 

 

 

 

 

 

COMPRESSOR ASSEMBLY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

K2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LIMIT

 

 

 

 

 

 

 

 

WHI

 

WHI/BLK

 

 

 

 

 

 

 

 

 

 

 

THERMOSTAT

 

 

 

 

 

 

 

K1

 

 

 

 

 

 

 

 

 

 

BLU/BLK

 

 

COMP.

 

 

K2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONDENSOR FAN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLU/BLK

MOTOR

WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REFRIGERATION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

BLU/BLK

RED/BLK

 

 

 

 

 

RED/BLK

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

K1

 

 

 

 

 

 

 

 

 

 

 

WATER INLET

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI

RECIR.

RED/BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VALVE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PUMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BRN

 

 

WHI

 

 

 

 

 

LEFT

 

 

 

RIGHT

 

 

 

 

 

 

 

 

 

SOL

 

 

 

 

 

 

 

 

 

 

GRN

 

 

 

WHI BLK WHI/BLK BRN

 

 

 

 

 

 

 

 

DISPENSE

 

 

 

DISPENSE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED

PUMP

VIO

 

RED

PUMP

ORN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

-1

-5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/VIO

WHI/VIO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J1

J1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED

J2-1

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ORN

J3-1

RED

 

 

 

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FAN

 

 

 

 

 

 

 

 

 

 

 

VIO

VIO

 

 

VIO

 

WHI/RED

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J3-2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/ORN

WHI/ORN

 

YEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YEL

YEL

 

WHI/ORN

 

 

 

 

 

 

 

 

 

 

 

 

LEFT

 

 

 

RIGHT

 

 

 

 

 

WHI/VIO

J2-6

 

 

 

 

 

 

 

 

 

 

DISPENSE

 

 

 

DISPENSE

 

 

 

 

 

 

 

GRY

 

 

 

 

 

 

 

 

 

 

 

 

RED

RED

 

 

 

 

J7-1

 

 

 

 

 

 

 

 

WHI/VIO

 

YEL

 

YEL

 

 

WHI/ORN

 

 

 

C

WHI/BLK

 

 

 

 

 

 

 

 

SOL

 

SOL

 

 

 

J7-2

 

 

 

 

 

 

 

 

 

 

 

 

 

ORN

ORN

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12

 

 

 

N

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

J9-1

BLK

 

 

 

 

BLK

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L

J9-2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

t

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

BLK

WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

CABINET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THERMISTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D

 

 

 

 

 

 

 

 

RIGHT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

t

 

 

 

 

DISPENSE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WATER BATH

 

 

 

BLK

 

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THERMISTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/BLU

 

J5-1

GRN

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J6-1

 

 

 

 

 

 

LEFT

 

 

 

 

 

 

 

 

 

 

 

 

 

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DISPENSE

 

 

 

 

 

 

 

 

 

 

 

 

BLU

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J6-3

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J5-4

 

 

 

 

 

 

 

 

120 VOLTS AC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

230 VOLTS AC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 WIRE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DISPENSE

 

 

 

 

 

 

SINGLE PHASE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LOCKOUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

26

 

 

 

 

 

 

 

 

 

39992 042007

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Image 26
Contents JDF-2S JDF-4S Phone 217 529-6601 FAX 217Contents 00656.0000 12559.0003 User Notices27442.0000 33461.0001Plumbing Requirements Initial SET-UPElectrical Requirements Electrical HOOK-UPSecure the door cover using 5 screws provided Door Cover InstallationInstall door cover Initial Fill Plumbing HookupPlumbing Connections JDF-2S Plumbing Connections JDF-4S Initial Fill Hose JDF-2S Initial Fill Hose JDF-4SInitial Fill Frozen Concentrates LoadingPriming Ambient Concentrates OptionalDispenser USE Refrigeration SwitchOperating Controls Operating Controls Portion Control OptionTemperature LEDs JDF-4S Daily Parts Washing Cleaning & Preventive MaintenanceDaily Rinse Procedure Weekly Semi-Automatic Sanitize ProcessOpen dispenser door Cleaning Monthly Clean Condenser CoilsAnnually Replace Pump Tubing Pump Speed Adjustment Adjustment & Optional SettingsWater Flow Testing and Adjustment Mix RatioAdjustment & Optional Settings Temperature Compensated Refractometer MethodAdjustment & Optional Settings Dispenser Lockout LED # Circuit Board LED Indicators JDF-2SFunction List LED Color IlluminatesFunction List Circuit Board LED Indicators JDF-4S JDF-4SProbable Cause TroubleshootingProblem RemedyRefrigeration TroubleshootingCompressor ON/OFF switch Dirty condenser filter or fins Space around machineProblem Probable Cause Remedy Concentrate only Water onlyTray Initial fill/setupNect fittings Water pressure greater thanProblem Probable Cause Coolant Schematic Diagram Schematic Wiring Diagram JDF-2S Schematic Wiring Diagram JDF-4S Quick Setup Guide JDF-2S and JDF-4S JDF-2S shown Machine door
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Manual 28 pages 48.61 Kb Manual 31 pages 40.19 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.