Bunn CDS-3 service manual Compressor Relay Terminals

Page 33

SERVICE (cont.)

COMPRESSOR & COMPONENTS (CDS-3) (cont.)

Compressor Start Capacitor:

WARNING: The compressor start capacitor must be properly discharged before proceeding.

1.Disconnect the two leads on the compressor start capacitor.

2.Loosen the capacitor retaining strap and remove the capacitor.

3.Securely install new start capacitor under the retain- ing strap.

4.Refer to Fig. 18 and reconnect the wires to the start capacitor.

Compressor Run Capacitor:

WARNING: The compressor run capacitor must be properly discharged before proceeding.

1.Disconnect the three leads from the compressor run capacitor.

2.Loosen the capacitor retaining strap and remove

the capacitor.

4.Securely install new run capacitor under the retain- ing strap.

5.Refer to Fig. 18 and reconnect the wires to the relay.

 

 

 

 

 

 

 

 

 

 

BLK to Compressor

 

 

 

 

 

 

 

 

 

 

Relay T6

BLK to Compressor

 

 

 

 

 

 

 

 

 

BLK to Compressor

Relay T1

 

 

 

 

 

 

 

 

 

Relay T2

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

START RUN

P1817

FIG. 18 COMPRESSOR CAPACITOR TERMINALS

Compressor Start Relay

WARNING: The compressor start capacitor must be properly discharged before proceeding.

1.Disconnect the wires from the compressor relay.

2.Remove the #6-32 screw securing the relay to the rear of the component bracket.

3.Remove and discard relay.

4.Install new relay on the rear of the component bracket and secure with a #6-32 screw.

5.Refer to Fig. 19 and reconnect the wires.

T4

WHI from Compressor

 

and Main Harness

 

T4

BLK from Run Capacitor

 

 

 

4

T5

BLK from Compressor

 

Thermal Overload Protector

6

and Main Harness

5

1

T1

BLK from Start Capacitor

2

T2

BLK from Run Capacitor

 

T2

Red from Compressor

 

P1820

FIG. 19 COMPRESSOR RELAY TERMINALS

Compressor Thermal Overload Protector: Refer to FIG. 17

1.Remove terminal cover retainer (7) and terminal cover (6).

2.Remove the wire from thermal overload protector from the compressor wiring harness to the thermal overload protector.

3.Remove overload protector retainer (5) and thermal overload protector (4) as an assembly

4.Remove retainer (5) from overload protector (4) and discard overload protector.

5.Install retainer (5) on new overload protector (2).

6.Install retainer (5) and overload protector (4) on the compressor terminal bracket.

7.Refer to Fig. 20 and reconnect the thermal overload protector wires.

8.Reinstall terminal cover (6) and cover retainer

(7).

BLK to Compressor Relay T5

P1821

FIG. 20 THERMAL OVERLOAD PROTECTOR TERMINALS

33

27646

122200

 

Image 33
Contents Post Office BOX SPRINGFIELD, Illinois CDS-2 CDS-3Introduction ContentsUser Notices 12559.0003 00986.000228720.0000 27443.0000 User Notices 27664.0000CDSA-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 ServiceTest Procedures Auger MotorsLocation 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-3Disconnect the fan leads from the main wiring harness Refer to a and reconnect the wires to the compressorRED 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.