Manuals / Bunn / Kitchen Appliance / Beverage Dispenser

Bunn CDS-3 service manual Transformer, Remove transformer and discard

Models: CDS-3

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SERVICE (cont.)

TRANSFORMER

 

FIG. 50 TRANSFORMER

P1342

 

Location:

The transformer is located inside the chassis on the upper rear side of the component bracket.

Test Procedures:

1.Disconnect the dispenser from the power source.

2.Disconnect the plug from the transformer to the connector from the dispenser main wiring har- ness.

3.With a voltmeter, check the voltage across the white/red wire and the white/black wire in the dis- penser main wiring harness connector. Connect the dispenser to the power source. The indication must be:

a)120 volts ac for 120 volt models.

b)230 volts ac for 230 volt models.

4.Disconnect the dispenser from the power source. If voltage is present as described, proceed to #5.

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

5.Reconnect the plug from the transformer to the con- nector from the dispenser main wiring harness.

6.Connect the dispenser to the power source.

7.Disconnect the lamp cord from the lamp cord con- nector.

8.With a voltmeter, check the voltage across the in- side of lamp cord socket and the outside with the DAY/NIGHT switch in the “-” down position. The indication must be approximately 12.6 volts dc.

9.Disconnect the dispenser from the power source. If voltage is present as described, the transformer is operating properly.

If voltage is not present as described, replace the transformer.

Removal and Replacement:

1.Remove the four #8-32 locking screws securing the component bracket to the chassis.

2.Pull component bracket from the chassis far enough to gain access to the transformer.

3.Disconnect the connector from the dispenser main wiring harness from the plug on the transformer.

4.Remove the four #8-32 locking screws securing the transformer to the component bracket.

5.Remove transformer and discard,

6.Position new transformer on the component bracket and secure with four #8-32 locking screws.

7.Reconnect the plug on the transformer to the con- nector on the dispenser wiring harness.

8.Refer to Fig. 51 and reconnect the wires.

9.Position component bracket in the chassis and secure with four #8-32 locking screws.

FIG. 51 TRANSFORMER TERMINALS

P1329

 

49

27646 122200

 

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Page 49
Image 49
Bunn CDS-3 service manual Transformer, Remove transformer and discard
Page 48 Page 50

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.