Bunn TWIN service manual Schematic Wiring Diagram Cdbc Twin 2/2 Right

Page 36

SCHEMATIC WIRING DIAGRAM CDBC TWIN 2/2 (RIGHT)

 

 

WHI

WHI

WHI

WHI

WHI

WHI

&

 

 

HEATERTANK

REFILL

SOL

 

 

WARMERFRONT

P1,P2,

GRN

 

BREWSTATIONWARMER (CONTROLLEDBYON/OFFSW)

WHI/BLU

SOL

 

 

 

 

 

 

 

 

 

P1

 

L2

14-RED(MODEL35)

BLK-14

WHI/RED

DISPENSE

WHI/GRN

 

VIO

 

 

 

 

 

 

 

 

TOP

 

N

 

WHI

HEATER

P3

L1

BLK

BLK-14

"KEEPWARM"

 

LIMIT THERMOSTAT BLU-14

WHI

COUNTER (OPTIONAL) BLK BLK BLU-14 BLK-14

WHI BLK

VIO WHI/BLU WHI/RED

CONNECTOR.

THREE-PIN

POLARIZED

PINS OF A

P3 ARE

 

CONTROLPANELASSY

 

 

 

 

TOPFRNTSW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/GRN

RIGHT

BREWSW

 

 

 

ON/OFFSW

 

 

 

HIDDENSW

 

 

 

 

STATIC SHIELD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

120/208V AC 3 WIRE 120/240V AC 3 WIRE SINGLE PHASE

PROBE

LEVEL

t°

PNK GRN WHI

BLK

1POWERCORDONLY

N L2

WITH

L1

BREWERS

 

SCHEMATIC WIRING DIAGRAM CDBC TWIN 2/2 (LEFT)

(MODEL35)

 

 

 

 

 

J1-1

J1-2

14

 

 

 

 

 

 

C

RED- WHI-14 BLK-14

 

 

 

 

 

 

 

BLK-14 WHI-14 RED-14(MODEL35)

 

 

 

 

 

 

 

 

 

 

 

WHI

WHI

WHI

 

 

 

 

 

 

REFILL

SOL

 

 

 

(MODEL35)

HEATER

BREWSTATIONWARMER

(CONTROLLEDBYON/OFFSW)

WHI/BLU

DISPENSE

 

 

14-

 

WHI/RED

 

 

 

 

TANK

 

 

 

 

L2

 

RED-14

BLK

HEATER

 

 

 

N

 

WHI

 

 

 

 

L1

BLK

BLK-14

 

"KEEPWARM"

 

 

 

GRN

 

LIMIT THERMOSTAT

BLU-14

WHI

COUNTER (OPTIONAL)

BLK

BLK

 

 

 

 

 

 

 

 

 

 

 

 

J1-1

J1-2

 

 

 

 

 

 

 

C

COM N.O. J1-1

 

J1-5

O N T R O L

P

C

WHI

WHI

WHI

&

 

 

 

P1,P2,

 

 

P1

 

SOL

 

FRONTWARMER

 

WHI/GRN

 

TOP

 

 

VIO

 

 

 

P3

 

BLU-14 BLK-14

WHI BLK

VIO WHI/BLU WHI/RED

COM N.O.

J1-1

 

J1-5

O N T R O L

P

C

J1-10

J2-1

J2-6

J2-11

B O A R D

 

 

 

CONNECTOR.

THREE-PIN

POLARIZED

PINS OF A

P3 ARE

WHI/GRN

LEFTCONTROLPANELASSY

BREWSW

 

 

ON/OFFSW TOPFRNTSW

 

HIDDENSW

 

 

STATIC SHIELD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J1-10

 

J2-1

 

 

 

J2-6

 

J2-11

B O A R D

 

 

 

 

 

 

 

 

 

 

J3-1

J3-4

29323.0002A 8/00 ©2000 BUNN-O-MATIC CORPORATION

120/208V AC 3 WIRE 120/240V AC 3 WIRE SINGLE PHASE

PROBE

LEVEL

t°

PNK GRN WHI BLK

J3-1

J3-4

Page 36

29319 091203

 

Image 36
Contents CEZ Cdbc Twin Contents IntroductionUser Notices Electrical Requirements Plumbing RequirementsElectrical Hook-Up ON/OFF Switch Brew SwitchAdditional Warmer Switches Ready IndicatorCleaning Initial SET-UPCoffee Brewing CEZ Adjustments & Optional Settings Cdbc Adjustments & Optional Settings Setting Brew TemperatureDisplaying Brew Temperature Setting Brew LockoutAdjusting Brew Volumes Pulse Brew Setup Procedure Cdbc Twin & Cdbcf Twin Troubleshooting Before troubleshooting this brewer, check for the followingTroubleshooting Refill Circuit ProblemProbable Cause RemedyProblem Probable Cause Remedy Heating Circuit Problem Probable Cause Remedy 4b. Temperature Probe CEZ Remove the probe from 3 of the J5 connector. AtIngs are taken Control board4 of the J3 connector. At 2b. Temperature Probe CEZ Remove the probe fromSet the temperature to 200F Bilize. If temperature in tank isBrewing Circuit Problem Brew cycle will not startTroubleshooting Brewing Circuit Probable Cause Remedy Move the two wires. Check for Supply and check wiringSwitch Holes are clear and unobDiagnostics Cause Things to CheckService Component AccessContents Service PC Control Board Model Cdbc Disconnect the 11-pin connector from the control panelService PC Control Board Model CEZ Control Boards CEZService Switch Panel Model Cdbc Switch Panels CdbcService ON/OFF Switches Model CEZ Service Brew Switch Start Model CEZ Bottom switch terminalMinals when the switch is released Service Dispense ValveLimit Thermostat Limit ThermostatsTank Heaters Tank HeaterService Tank Heaters Tank Heater WiringRefill Valve Check for continuity across the refill valve coil terminalsWarmer Elements Warmer ElementsSchematic Wiring Diagram CEZ Twin 0/6 Left Schematic Diagramwiring Twincdbc Schematic Wiring Diagram Cdbc Twin 2/2 Right
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Manual 39 pages 50.34 Kb

TWIN specifications

The Bunn TWIN,ITB is a remarkable coffee brewing system designed for commercial use, aimed at establishments that require a high volume of coffee while maintaining superior quality. This innovative brewer stands out through its dual brewing capability, allowing users to brew two different types of coffee simultaneously. This feature is particularly beneficial for cafes, restaurants, and other food service locations where diverse customer preferences must be met efficiently.

One of the main features of the Bunn TWIN,ITB is its advanced brewing technology. The system utilizes Bunn's patented brewing process, ensuring optimal coffee extraction and flavor profile every time. It employs a digitally controlled brew timer and state-of-the-art heating elements, providing precise temperature control essential for achieving the ideal brew. This technology allows for consistent results, ensuring that each cup meets the high standards expected in a commercial setting.

The design of the TWIN,ITB is user-friendly and intuitive. It includes an easy-to-read LED display that simplifies programming and monitoring of the brewing process. This streamlined interface enables baristas to adjust settings quickly and efficiently, significantly reducing wait times for customers. Additionally, the unit's low-profile design enables it to fit seamlessly into various kitchen layouts and countertops, optimizing valuable space.

Durability and reliability are at the forefront of the Bunn TWIN,ITB's construction. Built with high-quality materials, the brewer is designed to withstand the rigors of intense daily use. Its stainless-steel finish not only provides a sleek and professional appearance but also makes it easy to clean and maintain, ensuring longevity and excellent performance throughout its lifespan.

Furthermore, the TWIN,ITB features an impressive water capacity with a built-in hot water tank. This allows users to brew large batches of coffee without interruption and offers instant hot water for tea, soups, or other hot beverages. The efficient brewing system utilizes pre-infusion technology, which saturates the coffee grounds before extraction, enhancing the overall flavor and aroma of the brewed coffee.

In summary, the Bunn TWIN,ITB is an exceptional choice for any commercial establishment looking to provide high-quality coffee efficiently. Its dual brewing capabilities, advanced technologies, user-friendly design, durability, and additional features make it a valuable addition to any coffee service operation. Whether busy mornings or afternoon rushes, this brewer ensures that every cup of coffee meets the high standards of taste and quality that customers expect.