SERVICE (cont.)

L.E.D./ADJUSTMENT BOARD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P1343

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FIG. 43 L.E.D./ ADJUSTMENT BOARD

 

 

 

 

 

 

 

 

Location:

 

 

The L.E.D./adjustment board is located in the dis-

penser drawer attached to the bottom of the control panel.

Test Procedures:

1.Disconnect the dispenser from the power source.

2.Disconnect the connector at the rear of the L.E.D./ adjustment board from the dispenser main wiring harness.

3.With a voltmeter, check the voltage between pin hole #1 (black wire) and pin hole #8 (pink wire) with the ON/OFF switch in the “ON” position. Connect the dispenser to the power source. The indication must be 5 volts dc.

4.Disconnect the dispenser from the power source. If voltage is present as described, replace the L.E.D./ adjustment board.

If voltage is not present as described, refer to the Wiring Diagram and check the dispenser wiring harness.

Removal and Replacement:

1.Pull the dispenser drawer out far enough to expose the four #8 -32 locking screws securing the switch panel to the drawer.

2.Remove the four #8-32 locking screws.

3.Lift switch panel with wires and L.E.D. /adjust- ment

board as an assembly and turn over.

4.Disconnect the connector on the dispenser wiring harness from the pin connector on the rear of the L.E.D./adjustment board.

5.Remove the #4 keps nut from the right rear stud on the control panel and remove the green ground wire.

6.Remove the remaining five #4 keps nuts from the studs on the control panel.

7.Remove the #6 stainless steel washer and the #6 nylon washer from the front stud on the control panel.

8.Remove board and discard.

9.Position a new board on the studs and spacers.

10.Install the #6 nylon washer and the #6 stainless steel washer on the front stud of the control panel. Be sure the nylon washer is installed first.

11.Secure the new board to the control panel using five #4 keps nuts.

12.Connect the green lead from the dispenser main harness to the right rear stud of the control panel and secure with a #4 keps nut.

13.Reconnect the connector from the dispenser main wiring harness to the pin connector at the rear of new L.E.D./adjustment board.

14.Turn board and panel over and position in the dis- penser drawer and secure with four #8-32 locking screws.

45

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Page 45
Image 45
Bunn CDS-3 service manual D./ADJUSTMENT Board, E.D./ Adjustment Board

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.