Bunn CDS-3, CDS-2 service manual Recommended Daily Cleaning and Maintenance Tips

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CLEANING

RECOMMENDED DAILY CLEANING AND MAINTENANCE TIPS

This should be done in conjunction with the recommended weekly cleaning of your CDS-2 or CDS-3 machine.

Removing and cleaning the whipper chamber (once a day):

1.Open the cabinet door.

2.Pull the mixing chamber out of the whipper cham- ber.

3.Twist the whipper chamber clockwise and pull it off the whipper chamber receptacle.

4.Pull the frother off the motor shaft. Notice the flat keyway on the shaft and the matching keyway inside the frother. It is important that these two keyways are lined up when reassembling.

5.Twist the whipper chamber receptacle clockwise and pull it off the motor shaft.

6.Slip the O-ring off the whipper chamber receptacle.

7.Wash components in a mild solution of dish deter- gent using a bristle brush.

8.Rinse thoroughly and allow to dry before reinstall- ing in the machine.

Mixing Chamber

Whipper Chamber

Receptacle

O-ring

Frother

Dispense Tip

Whipper Chamber

Wiper Blade

Shaft

Wiper Blade

Wiper Drive Gear

Retaining

Clip

Hopper Base

Auger Drive

Shaft

Auger Drive

Bracket

Retaining

Ring

Auger

Ejector Elbow

Slide Gate

Thorough cleaning of the hopper (once a week):

1.Open the cabinet door.

2.Remove the hopper/base assembly from the cabi- net, remove the cover and empty the contents.

3.Pull the ejector elbow off the hopper base; remove the slide gate from the ejector elbow.

4.Remove the wiper blade and drive gear by removing the retaining ring from the wiper blade shaft.

5.Remove the auger by pulling it out of the front hopper base.

6.Remove the auger drive shaft by removing the retaining clip from the auger drive shaft.

7.Wash components in a mild solution of dish deter- gent using a bristle brush when needed.

8.Rinse and dry each item thoroughly before reas- sembling.

NOTICE

The cleaning instructions noted above are for nondairy sugar based food products. When dispensing any other food product, the cleaning cycle for the whipping chamber assembly and ejector elbow must be performed daily.

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Contents Post Office BOX SPRINGFIELD, Illinois Phone 217 529-6601 FAX 217BUNN-O-MATIC Commercial Product Warranty IntroductionInitial 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 ProbeService Component AccessContents 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 MotorControl Board and Level Probe If voltage is present as described, proceed to #5If 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 boardTEST/SERVICE Switch Disconnect the wires from the switch terminalsLocation Main Power ON/OFF Switch Main Power ON/OFF SwitchLamp Cord Assembly Refer to when reconnecting the wiresLamp Cord Connector Disconnect the lamp cord from the 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.
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