Bunn CDS-3 manual TEST/SERVICE Switch, Location

Page 21

SERVICE (cont.)

TEST/SERVICE SWITCH

P1923

FIG. 13 TEST/SERVICE SWITCH

Location:

The TEST/SERVICE switch is located on the left front of the whipper motor mounting panel.

Test Procedure:

1.Disconnect the dispenser from the power source.

2.Disconnect the wires from the switch terminals.

3.Check for continuity between the center terminal and upper terminal with switch in the SERVICE position (lower). Check for continuity between the center terminal and the lower terminal with the switch in the TEST position (upper). Continu- ity must not be present when the switch is in the center position.

If continuity is present as described, the switch is operating properly.

If continuity is not present as described, replace the switch.

Removal and Replacement:

1.Disconnect the dispenser from the power source.

2.Open the dispenser door and remove the hopper assembly out the front of the dispenser.

3.Remove the four #8-32 screws securing the hopper support panel to the auger motor mounting panel and the whipper motor mounting panel.

4.Slowly lift the hopper support panel up and discon- nect the red/black and green wires from the hopper switch.

5.Remove the facenut securing the TEST/SERVICE switch the whipper motor mounting panel.

6.Remove switch with wires attached from the back side of the whipper motor mounting panel.

7.Disconnect the wires from the switch and discard the switch.

8.Refer to Fig. 14 when connecting the wires to the new switch.

9.Install new switch with wires attached through the hole in the whipper mounting panel and secure with facenut.

10.Connect the red/black and green wires to the hopper switch. See Fig. 10 on page 17.

11.Install the hopper support panel to the auger motor mounting panel and the whipper motor mounting panel using the four #8-32 screws.

12.Install the hopper assembly.

WHI/ORN from Control

 

Board J1-6

 

GRN from Control

 

Board J1-8

 

BLU/BLK from Control

 

Board J1-11

 

FIG. 14 TEST/SERVICE SWITCH

P1906

 

TERMINALS

 

21

29793 061599

 

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Contents Post Office BOX SPRINGFIELD, Illinois Powder Auto FillBUNN-O-MATIC Commercial Product Warranty IntroductionInitial SET-UP User Notices Operating Instructions Adjustments Recommended Daily Cleaning and Maintenance Tips CleaningNormal operation Powder Auto-Fill ready to Fault ListDispense Door not closedProblem Probable Cause TroubleshootingRemedy ProblemProblem Probable Cause Remedy Improper adjustment of product Procedures. SeeInstall a regulator if necessary to Product overflows CDS hopper Control Board and ProbeComponent Access ServiceHopper Lid Auger Drive ComponentsRetainer Clip Spacer Dust Seal Hopper BaseAuger Drive Motor Disconnect the dispenser from the power sourceMixing Chamber Frother and MIXING/WHIPPER ChamberVolts ac for 120 volt models Volts ac for 230 volt CE models Whipper MotorWhipper Motor Install dispense tip into the bottom of the whipper chamberIf voltage is present as described, proceed to #9 Control Board and Level ProbeTest Procedure Low Product Detect Remove the control board Instal the new control board using the four #6-32 keps nutsLocation TEST/SERVICE SwitchMain Power ON/OFF Switch Main Power ON/OFF SwitchRefer to when reconnecting the wires Lamp Cord AssemblyLamp Cord Connector Disconnect the lamp cord from the lamp cord con- nectorIf voltage is present as described, proceed to #6 Lamp HOLDER/SOCKET Assembly Lamp HOLDER/SOCKET AssemblyTransformer TransformerPotentiometer PotentiometerHopper Level Indicator Hopper Level IndicatorHopper Switch Hopper SwitchDoor Switch Door SwitchPressure Regulator and Needle Valve AdjustmentsDispense Solenoid Valve Dispense Solenoid ValveBLK RED Wiring Diagrams Schematic Wiring Diagram PAFBLK Wiring Diagrams Schematic Wiring Diagram Pafa
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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.
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