Bunn CDS-3, CDS-2 service manual Schematic Wiring Diagram Pafa

Page 34

WIRING DIAGRAMS

SCHEMATIC WIRING DIAGRAM PAFA￿

L1

 

 

 

 

 

 

 

 

 

 

GRN/YEL

L2

 

 

 

 

 

 

 

 

 

 

 

 

BRN

 

 

MAIN POWER

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

BLK

 

 

 

 

 

 

 

BLU

 

 

 

 

 

 

WHI/BLK

 

 

 

 

WHIPPER

 

 

 

 

 

 

 

 

WHI/GRN

 

 

 

 

 

 

 

 

 

 

 

 

230V : 24V AC

 

MOTOR

 

 

 

 

 

 

 

 

WHI

 

 

 

 

 

 

 

 

 

 

TRANSFORMER

WHI/RED

M

WHI/BRN

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HOPPER

 

 

 

 

 

 

 

DISPENSE

 

 

 

 

 

 

 

 

SOLENOID

 

 

MOTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

M

RED

4

1

 

 

 

 

SOL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

DOOR

 

 

 

 

 

RED

J1

 

J7

BLK

 

 

 

LAMP

 

 

 

 

 

WHI/GRN

1

 

1

WHI/RED

 

 

 

 

 

 

 

BLK-22

2

WHI/BLK

 

C

 

WHI

 

 

 

WHI

 

 

 

GRY

 

O

4

WHI/BRN

 

 

 

 

 

BLK

RED-22

VIO

5

N

 

 

 

 

 

 

J2

 

 

 

 

BLK

 

 

BLK

 

1

WHI/ORN

T

WHI

 

 

 

 

 

 

 

 

 

GRN

 

R

1

BLK

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

L

 

 

 

 

 

TEST/SERVICE

 

 

ORN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/ORN SWITCH

 

 

RED/BLK

10

P

J6

WHI

 

 

 

 

 

 

SERVICE

GRN

 

BLU/BLK

 

C

1

 

 

 

 

 

 

 

 

PNK

 

 

BLK

 

 

 

BLU/BLK

 

 

 

 

 

B

 

 

 

 

 

 

TEST

 

 

MOTOR

 

 

 

LOW PRODUCT

 

 

 

 

 

SPEED ADJUST

J3

O

4

 

DETECT

 

 

 

 

 

 

A

 

 

 

 

 

 

 

CW

GRN

 

 

 

 

 

 

 

 

 

BLK

1

R

 

 

 

 

 

 

 

 

 

 

 

 

D

 

 

 

 

 

 

 

HOPPER

 

 

RED

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED/BLK

 

 

GRN

 

 

 

 

 

 

 

 

 

 

 

 

DOOR

 

P

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

O

 

 

 

 

 

 

 

 

ORN

 

 

 

GRN

B

230 VOLTS AC - 2 WIRE ￿

 

 

 

 

 

 

E

 

 

 

 

 

 

 

 

 

SINGLE PHASE, 50 HZ￿

 

 

 

 

 

 

 

 

 

 

 

￿

 

 

 

 

 

 

 

 

 

 

 

29780.0001B

10/99

© 1999 BUNN-O-MATIC CORPORATION

 

34

29793 011500

 

Image 34
Contents Post Office BOX SPRINGFIELD, Illinois Phone 217 529-6601 FAX 217Introduction BUNN-O-MATIC Commercial Product WarrantyInitial SET-UP User Notices Operating Instructions Adjustments Removing and cleaning the whipper chamber once a day CleaningRecommended Daily Cleaning and Maintenance Tips Thorough cleaning of the hopper once a weekDispense Fault ListNormal operation Powder Auto-Fill ready to Door not closedTroubleshooting Problem Probable CauseRemedy TroubleshootingProblem CDS product tastes watery or sugaryProblem Probable Cause Remedy Install a regulator if necessary to Procedures. SeeImproper adjustment of product Product overflows CDS hopper Control Board and ProbeComponent Access ServiceContents Retainer Clip Auger Drive ComponentsHopper Lid Spacer Dust Seal Hopper BaseDiagrams and check wiring harness Auger Drive MotorFrother and MIXING/WHIPPER Chamber Mixing ChamberWhipper Motor Volts ac for 120 volt models Volts ac for 230 volt CE modelsInstall dispense tip into the bottom of the whipper chamber Whipper MotorIf voltage is present as described, proceed to #5 Control Board and Level ProbeIf voltage is present as described, proceed to #9 Test Procedure Low Product Detect Instal the new control board using the four #6-32 keps nuts Remove the control boardDisconnect the wires from the switch terminals TEST/SERVICE SwitchLocation Main Power ON/OFF Switch Main Power ON/OFF SwitchLamp Cord Assembly Refer to when reconnecting the wiresDisconnect the lamp cord from the lamp cord connector Lamp Cord ConnectorRemove new nut and washer from new lamp cord connector Lamp HOLDER/SOCKET Assembly Close the dispenser doorTransformer TransformerPotentiometer PotentiometerHopper Level Indicator Hopper Level IndicatorHopper Switch Hopper SwitchDoor Switch Door SwitchAdjustments Pressure Regulator and Needle ValveDispense Solenoid Valve Dispense Solenoid Valve LocationWiring Diagrams Schematic Wiring Diagram PAFSchematic Wiring Diagram Pafa
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CDS-2, CDS-3 specifications

The Bunn CDS-3 is a commercial coffee brewer renowned for its reliability, efficiency, and high-quality performance. Designed for busy environments such as cafés, restaurants, and convenience stores, it offers the perfect balance of capacity and functionality, making it ideal for high-demand situations.

One of the standout features of the Bunn CDS-3 is its ability to brew up to 3.8 gallons of coffee per hour. This impressive capacity meets the needs of busy establishments where a constant supply of fresh coffee is crucial. The brewer’s stainless steel construction not only ensures durability but also maintains temperature, thus preserving the coffee’s rich flavor and aroma.

The CDS-3 incorporates Bunn's patented brewing technology, including the "Pour-Over" method. This feature allows for easy operation and contributes to the even extraction of coffee grounds. The machine is equipped with a pre-infusion mode that saturates coffee grounds before brewing, enhancing extraction for a fuller, more complex flavor profile.

Temperature control is another vital characteristic of the Bunn CDS-3. It maintains the water temperature between 195°F to 205°F, the ideal range for optimal coffee brewing. The brewer’s internals are designed for rapid heating, ensuring that the water reaches the desired temperature quickly and consistently, which is essential for high-quality coffee production.

In terms of usability, the Bunn CDS-3 offers an intuitive interface, allowing staff to operate it with minimal training. The front-access design not only simplifies maintenance, but also makes it easy to refill water and perform routine cleaning. Furthermore, the large capacity coffee pots ensure that the brewed coffee can be stored efficiently, minimizing waste.

Equipped with a unique spray head system, the Bunn CDS-3 ensures uniform saturation of the coffee grounds. This feature supports optimal extraction, allowing users to produce a rich and flavorful brew that keeps customers coming back for more.

In summary, the Bunn CDS-3 is a well-engineered, commercial-grade coffee brewer that excels in high-demand environments. Its robust construction, advanced brewing technology, consistent temperature control, and user-friendly design make it a favorite among coffee enthusiasts and professionals alike, affirming its reputation as a reliable and effective solution for coffee brewing needs. Whether for a bustling café or a catering service, the Bunn CDS-3 delivers a consistently great cup of coffee every time.