Bunn service manual CDS-2 CDS-3, Post Office BOX SPRINGFIELD, Illinois

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CDS-2

CDS-3

DISCONTINUED VERSION

The information in this manual

is no longer current.

OPERATING & SERVICE MANUAL

BUNN-O-MATIC CORPORATION

POST OFFICE BOX 3227

SPRINGFIELD, ILLINOIS 62708-3227

PHONE: (217) 529-6601 FAX: (217) 529-6644

To obtain the Illustrated Parts Catalog, visit the Bunn-O-Matic website, at www.bunn.com. This is absolutely FREE, and the quickest way to obtain the catalog. Contact Bunn-O-Matic Corporation at 1-800-286-6070 to obtain a paper copy of the required Illustrated Parts Catalog mailed via U.S. Postal Service.

27646.0000N 04/08 ©1997 Bunn-O-Matic Corporation

www.bunnomatic.com

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Contents Post Office BOX SPRINGFIELD, Illinois CDS-2 CDS-3Introduction Contents12559.0003 00986.0002 User Notices28720.0000 27443.0000 27664.0000 User NoticesCDSA-2 Only Electrical Requirements Site preparationHand Each cooling drum seal Initial setupAs shown Place Inside of each auger shaftApproximately Operating Controls Setting Time DAY/NIGHT TimerSetting Night Time Mode Operating ControlsUsing the Dispenser for Cold Liquid Products Using the Dispenser for GRANITA-TYPE ProductsOther Recommendations for Your Dispenser Recommended Daily Cleaning Sugar & Alcohol products Lubrication Recommended Weekly CleaningAssembly DisassemblyLubrication Faucet HandlesSnap it onto the assembly Auger assembly & Disassembly Early Augers onlyProblem Probable Cause Remedy TroubleshootingAuger Motor Capacitors Refer to Service Auger Motor Auger Motor won’t turn Auger ON/OFF SwitchesTime Delay Hopper Display Lights not on Circuit BreakerIng procedures. See Compressor not running Power cordWith adjustment Board L.E.D.s With an extension cord. Refer toProblem Probable Cause Become unusual. Auger Motors ProblemComponent Access ServiceAuger Motors Test ProceduresLocation Auger Motor Capacitors Auger Motor CapacitorAuger Shaft Assembly Auger Shaft AssemblyService Auger Shaft ASSEMBLYcont Volts ac for 120 volt models Volts ac for 230 volt models Auger ON/OFF SwitchesCircuit Breaker Remove the wires from the circuit breakerConnect the black wire from the compressor Dispenser chassis Two wire 230 volt modelsProperly discharged before proceeding Compressor Start Relay Refer to FIG120V Dispensers Remove run capacitor and discard Refer to a and reconnect the wiresCompressor Thermal P1819 Overload Protector Location Compressor & Components CDS-3Refer to a and reconnect the wires to the compressor Disconnect the fan leads from the main wiring harnessRED from Relay T2 WHI from Relay T4 BLK from Relay T-5 Compressor Relay Terminals Contactor Electronic Control Cooling Drum Alignment SymptomsDAY/NIGHT Switch Dispenser ON/OFF Switch Dispenser ON/OFF SwitchElectronic Control Electronic ControlFAN Use cable ties to secure wires away from fan bladesFuse Holder Fuse and Fuse HolderICE/OFF/NO ICE Switches ICE/OFF/NO ICE SwitchesLamp Cord Assy Lamp Cord AssyUpper left side of the auger covers Test Procedures Lamp Cord ConnectorInside the hopper covers Lamp HOLDER/SOCKET AssemblyE.D./ Adjustment Board D./ADJUSTMENT BoardSolenoids SolenoidsTemperature Sensor Temperature SensorTorque Sensor Circuit Board P1341 Location Torque Sensor Circuit BoardRemove transformer and discard TransformerVoltage Divider ServiceCoolant Schematic Diagram CDS-2 Prior to S/N CDS Coolant Schematic Diagram CDS-3CDS 0019500 Up 27646 27646 Schematic Wiring Diagram for CDS-2 PAF Schematic Wiring Diagram for CDSA-2 PAF 27646 27646 27646
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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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