Bunn CDS-2, CDS-3 service manual Lamp HOLDER/SOCKET Assembly, Close the dispenser door

Page 25

SERVICE (cont.)

LAMP HOLDER/SOCKET ASSEMBLY

P1927

FIG. 21 LAMP HOLDER/SOCKET ASSEMBLY

Location:

The lamp holder/socket assembly is located inside the dispenser door.

Test Procedures:

1.Disconnect the lamp cord from the lamp cord connector.

2.Remove the lamp from the lamp holder/socket assembly.

3.Check the voltage across the two pin holes on the lamp holder/socket assembly with a voltmeter and Day/Night switch in the "DAY" position and the ON/ OFF switch in the "ON" position. Verify that the dispenser hopper is full and in place, the dispenser probe contact is making contact with the CDS liquid level probe, and the dispenser door is closed. Reconnect the lamp cord to the lamp cord connec- tor. The indication must be approximately 12.6 volts ac.

4.Disconnect the lamp cord from the lamp cord connector.

If voltage is present as described, the lamp holder/ socket assembly is operating properly.

If voltage is not present as described, replace the lamp holder/socket assembly

5.Check for continuity across the terminals on the lamps.

If continuity is present as described, the lamp is oper- ating properly.

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

Removal and Replacement:

1.Disconnect the lamp cord assembly from the lamp cord connector assembly in the top of the dis- penser.

2.Remove the display graphic from the dispenser door.

3.Open the dispenser door.

4.Remove the five #6-32 screws securing the rear door cover to the door.

5.Carefully lower the rear door cover and disconnect the lamp holder/socket assembly from the lamp cord terminals.

6.Remove the lamp.

7.Remove #2-56 screw and elastic lock nut securing the lamp holder/socket assembly to the mounting bracket. Remove the lamp holder/socket assembly and discard.

8.Install new lamp holder/socket assembly on mount- ing bracket using the #2-56 screw and lock nut.

9.Reinstall lamp.

10.Connect the new lamp holder/socket assembly to the lamp cord terminals.

11.Reinstall the rear door cover to the dispenser door. Make sure wires are located in notch in door flange.

12.Close the dispenser door.

13.Plug-in the lamp cord assembly to the lamp cord connector assembly on top of the dispenser.

14.Refer to Fig. 22 when reconnecting the wires.

WHI to BLK

at Lamp Cord

BLK to BLK

at Lamp Cord

P1929

FIG. 22 LAMP HOLDER/SOCKET

ASSEMBLY WIRES

25

29793 061599

 

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Contents Phone 217 529-6601 FAX 217 Post Office BOX SPRINGFIELD, IllinoisIntroduction BUNN-O-MATIC Commercial Product WarrantyInitial SET-UP User Notices Operating Instructions Adjustments Recommended Daily Cleaning and Maintenance Tips CleaningRemoving and cleaning the whipper chamber once a day Thorough cleaning of the hopper once a weekNormal operation Powder Auto-Fill ready to Fault ListDispense Door not closedProblem Probable Cause TroubleshootingProblem TroubleshootingRemedy CDS product tastes watery or sugaryProblem Probable Cause Remedy Improper adjustment of product Procedures. SeeInstall a regulator if necessary to Product overflows CDS hopper Control Board and ProbeComponent Access ServiceContents Hopper Lid Auger Drive ComponentsRetainer Clip Spacer Dust Seal Hopper BaseAuger Drive Motor Diagrams and check wiring harnessMixing 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 #5 Control Board and Level ProbeIf voltage is present as described, proceed to #9 Test Procedure Low Product Detect Remove the control board Instal the new control board using the four #6-32 keps nutsDisconnect the wires from the switch terminals TEST/SERVICE SwitchLocation Main Power ON/OFF Switch Main Power ON/OFF SwitchRefer to when reconnecting the wires Lamp Cord AssemblyDisconnect the lamp cord from the lamp cord connector Lamp Cord ConnectorRemove new nut and washer from new lamp cord connector Close the dispenser door Lamp HOLDER/SOCKET AssemblyTransformer TransformerPotentiometer PotentiometerHopper Level Indicator Hopper Level IndicatorHopper Switch Hopper SwitchDoor Switch Door SwitchPressure Regulator and Needle Valve AdjustmentsDispense Solenoid Valve Location Dispense Solenoid ValveSchematic Wiring Diagram PAF Wiring DiagramsSchematic 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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