Bunn CEZF, CDBC service manual Schematic Wiring Diagram CEZ-APS/TS/TSR

Page 33

SCHEMATIC WIRING DIAGRAM CEZ-APS/TS/TSR

 

 

 

 

 

 

 

 

 

 

GRN

 

 

 

 

 

 

 

 

AUXILIARY

 

 

 

 

 

 

 

L1

 

 

 

 

OUTLET

 

 

 

 

 

N

L2

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI

 

 

 

 

 

 

 

 

GRN

 

 

 

 

 

 

 

 

LIMIT

 

 

 

 

 

 

 

 

 

 

 

 

 

THERMOSTAT

 

 

 

 

 

TANK HEATER

WHI-14 (MODELS 15 & 20)

 

 

BLK-14

BLU-14

 

 

 

BLK-14

 

 

 

 

 

 

 

 

RED-14 (MODEL 35)

 

 

 

 

 

 

 

 

"KEEP WARM" HEATER

 

 

 

BLK

 

 

 

WHI

WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON/OFF SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COUNTER (OPTIONAL)

BLK

 

 

 

 

REFILL

 

 

 

 

 

BLK

 

WHI/RED

WHI/BLU

SOL

 

WHI

 

 

TRM-1

 

BLK

 

 

 

BLK

 

 

 

 

 

DISPENSE

 

 

 

TRM-2

 

 

 

 

 

 

 

 

 

 

 

COM

BLU-14

 

 

 

 

 

 

 

WHI/GRN

SOL

WHI

 

 

N.O.

BLK-14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J1-1

WHI

 

 

 

 

 

 

 

 

 

WHI

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/BLU

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

N

 

WHI/GRN

 

 

 

 

 

 

 

 

 

 

 

T

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

O

 

BLK

 

 

BREW SWITCH

 

 

 

 

 

 

 

 

L

J1-8

WHI/RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

WHI/YEL

 

 

WHI/ORA

 

 

 

 

 

 

J5-1

 

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

A

 

WHI

 

 

 

 

 

 

 

 

 

 

 

R

 

GRN

 

 

 

 

 

 

 

 

 

 

 

D

 

PNK

 

 

 

 

 

 

 

120V AC 2 WIRE

 

 

 

J5-6

WHI/ORA

 

 

 

 

 

 

 

120/208V AC 3 WIRE

 

 

GRY

 

 

LEVEL

 

 

 

 

 

 

J7-1

 

 

 

 

 

 

120/240V AC 3 WIRE

 

 

PNK

 

 

PROBE

 

 

 

 

 

 

J7-2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SINGLE PHASE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

t°

29341.0000B 6/99 ©1998 BUNN-O-MATIC CORPORATION

Page 33

29253 091603

 

Image 33
Contents Phone 217 FAX 217 Post Office BOX SPRINGFIELD, IllinoisIntroduction ContentsUser Notices Electrical Requirements Plumbing RequirementsElectrical Hook-Up Brew Switch ON/OFF SwitchReady Indicator Operating ControlsCleaning Initial SET-UPCoffee Brewing Adjusting Brew Volumes CEZ-APS/TS/TSR Adjustments & Optional SettingsSetting Brew Temperature CDBC-APS/TC/TS/TSR Adjustments & Optional SettingsDisplaying Brew Temperature Setting Brew LockoutCDBC-APS/TC/TS/TSR Adjustments & Optional Settings Water Sensing Threshold Adjustment ProcedureBefore troubleshooting this brewer, check for the following TroubleshootingRefill Circuit Problem TroubleshootingProbable Cause Remedy2a. Water Level Probe Sensing System CDBC-APS/TS/TSR Troubleshooting Refill CircuitHeating Circuit Problem Probable Cause Remedy Water does not heat to proper temperatureWater not touching temperature probe Problem Probable Cause Remedy Troubleshooting Heating CircuitControl Board Cdbc & CEZ ContReplace the control board.See Pages 21Brewing Circuit Problem Probable Cause Troubleshooting Brewing Circuit Set-upinstructions Water temperatureDripping from sprayhead Lime build up RequiredProblem Probable Cause Dry coffee grounds remain Sprayhead FunnelFunnel loading Cause Things to Check DiagnosticsService Component AccessContents Control Board ServiceControl Board Service Control Board Model CEZ-APS/TS/TSRSwitch Panel Service Switch Panel Model CDBC-APS/TC/TS/TSRON/OFF Switch Wiring Brew Switch Wiring Service Brew Switch Start Model CEZ-APS/TS/TSRDispense Valve Dispense ValveLimit Thermostat Limit ThermostatTank Heater Tank HeaterTank Heater Wiring Service Tank HeaterCheck for continuity across the refill valve coil terminals Refill ValveLevelsingle Phase 120V AC 2 Wire 120/208V AC 3 Wire 120/240V AC 3 WireSchematic Wiring Diagram CEZ-APS/TS/TSR Cdbc 15, 20 & 35 APS/TC/TS 120V AC 2 Wire

CEZF, CDBC specifications

The Bunn CEZF and CDBC are two popular commercial coffee brewers offered by Bunn, a leader in the coffee equipment industry. Both models are designed to meet the demands of high-traffic settings such as cafes, restaurants, and other foodservice establishments. They combine advanced technology with user-friendly features to ensure consistent, high-quality coffee with minimal effort.

The Bunn CEZF model is known for its easy-to-use design and efficiency. One of its standout features is the "Digital Brewer" control, which allows operators to adjust brewing parameters such as brew time and water temperature. This level of customization enables baristas to consistently create the perfect cup of coffee tailored to their specific blends. Furthermore, the CEZF has a unique "intelligent" warming plate that maintains the optimal serving temperature without over-extraction, ensuring that each cup of coffee remains flavorful.

On the other hand, the Bunn CDBC incorporates a dual brewing capacity that allows for larger batches of coffee to be made simultaneously. This feature is particularly beneficial in high-demand environments where quick service is essential. The CDBC also utilizes a patented brew control technology, enabling users to select their brew strength with just a few button presses. This flexibility is complemented by its high-performance heating element, which heats water rapidly, ensuring that coffee is brewed at the ideal temperature for optimal extraction.

Both models are equipped with a large water reservoir, ensuring a continuous supply of hot water for brewing. They also feature high-quality stainless steel constructions that enhance durability and make cleaning easier. The intuitive interface on both models simplifies operation, with clear instructions that allow even novice users to brew exceptional coffee right away.

In terms of safety, both the CEZF and CDBC are designed with auto shut-off features and integrated safety protocols, minimizing the risk of overheating and ensuring a secure brewing environment.

Overall, the Bunn CEZF and CDBC are excellent choices for any commercial kitchen or café looking to serve high-quality coffee efficiently. Their advanced features, durability, and ease of use make them top contenders in the commercial brewing category.