Bunn CDS-3 manual Hopper Level Indicator

Page 28

SERVICE (cont.)

HOPPER LEVEL INDICATOR

Photo LED

Photo Transistor

P1932

FIG. 25 HOPPER LEVEL INDICATOR

Location:

The photo transistor and LED are located on the hopper side panels mounted just below the hopper guide rails.

Test Procedures:

Refer to the section CONTROL BOARD and LEVEL PROBE for test procedures.

Removal and Replacement:

1.Disconnect the dispenser from the power source and the water supply.

2.Remove the dispenser from the CDS machine and place it on a flat work surface.

3.Disconnect the door lamp cord from the lamp con- nector.

4.Remove the two #8-32 screws securing the door hinge to the dispenser housing.

5.Carefully pull the door forward until the door sup- port arms come completely out of the dispenser housing and set aside.

6.Remove the six #8-32 truss head screws securing the rear cover to the dispenser housing.

7.Remove the six #8-32 round head screws securing the front of the housing to the side panels.

8.Remove the six #8-32 truss head screws securing the back of the housing to the side panels.

9.Carefully lift and spread the housing to remove it from the rest of the dispenser.

10.Disconnect the photo transistor (J6) or LED (J2) plug from the control board.

11.Cut the cable tie securing the cable assembly to the cable tie mount.

12.Gently pull the photo transistor or LED from its mounting lens.

13.Pull the photo transistor or LED through the grom- met and free of the dispenser.

14.Snap the photo transistor or LED into the mount- ing lens and feed the cable end through the grom- met.

15.Gently bend the cable flush to the cable tie mount and secure with new cable tie. Cut away excess cable tie.

16.Connect the photo transistor (J6) or LED (J2) plug to the control board.

17.Reassemble the dispenser top housing, rear panel, and door assembly to the dispenser.

18.Reconnect the dispenser to the power source and the water supply.

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Contents Powder Auto Fill Post Office BOX SPRINGFIELD, IllinoisIntroduction BUNN-O-MATIC Commercial Product WarrantyInitial SET-UP User Notices Operating Instructions Adjustments Cleaning Recommended Daily Cleaning and Maintenance TipsFault List Normal operation Powder Auto-Fill ready toDispense Door not closedTroubleshooting Problem Probable CauseProblem RemedyProblem Probable Cause Remedy Procedures. See Improper adjustment of productInstall a regulator if necessary to Product overflows CDS hopper Control Board and ProbeService Component AccessAuger Drive Components Hopper LidRetainer Clip Spacer Dust Seal Hopper BaseDisconnect the dispenser from the power source Auger Drive MotorFrother and MIXING/WHIPPER Chamber Mixing ChamberWhipper Motor Volts ac for 120 volt models Volts ac for 230 volt CE modelsInstall dispense tip into the bottom of the whipper chamber Whipper MotorControl Board and Level Probe If voltage is present as described, proceed to #9Test Procedure Low Product Detect Instal the new control board using the four #6-32 keps nuts Remove the control boardTEST/SERVICE Switch LocationMain Power ON/OFF Switch Main Power ON/OFF SwitchLamp Cord Assembly Refer to when reconnecting the wiresDisconnect the lamp cord from the lamp cord con- nector Lamp Cord ConnectorIf voltage is present as described, proceed to #6 Lamp HOLDER/SOCKET Assembly Lamp HOLDER/SOCKET AssemblyTransformer TransformerPotentiometer PotentiometerHopper Level Indicator Hopper Level IndicatorHopper Switch Hopper SwitchDoor Switch Door SwitchAdjustments Pressure Regulator and Needle ValveDispense Solenoid Valve Dispense Solenoid ValveWiring Diagrams Schematic Wiring Diagram PAF BLK REDWiring Diagrams Schematic Wiring Diagram Pafa BLK
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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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