SERVICE (cont.)

 

 

 

 

Test Procedures:

COMPRESSOR & COMPONENTS (CDS-2)

 

 

WARNING: The compressor start capacitor must be

 

 

properly discharged before proceeding.

 

 

 

 

 

 

 

 

 

 

 

 

Compressor Start Relay: Refer to FIG. 12

 

 

 

 

 

 

1. Disconnect the dispenser from the power source.

 

 

 

 

 

 

2. Remove compressor terminal cover retainer (6)

 

 

 

 

 

 

and compressor terminal cover (5).

 

 

 

 

 

 

3. Disconnect the black wire from the thermal over-

 

R2

 

 

 

 

load protector (3) and white/black wire from the

 

2

 

 

 

 

 

 

 

 

 

 

 

compressor start relay (1).

 

 

 

 

 

 

4. With a voltmeter, check voltage across the black

 

 

 

 

 

 

wire and the white/black wire and the ON/OFF

 

 

 

 

 

 

switch in the “ON” position, DAY/NIGHT switch in

FIG. 11 COMPRESSOR ASSY

 

P1342

 

the “DAY” position and the ICE/OFF/NO ICE switch

 

 

 

in the “ICE” position. Connect the dispenser to the

Location:

 

 

 

 

 

 

 

 

 

 

power source. The indication must be 120 volts ac

The compressor assy is located inside the front

 

for two wire 120 volt models or 230 volts ac for

of the dispenser chassis.

 

 

 

 

two wire 230 volt models.

 

 

 

 

 

 

5. Disconnect the dispenser from the power source.

1

4

 

 

 

 

If voltage is present as described, proceed to #6.

 

 

 

 

 

 

If voltage is not present as described, refer to the Wiring

 

 

 

 

 

 

Diagram and check the dispenser wiring harness.

 

 

 

 

 

 

6. Disconnect the two black wires from the compres-

 

 

 

 

 

 

sor start capacitor.

 

 

 

 

 

 

7. Remove relay from the compressor.

 

3

2

5

6

 

8. Check for continuity across the upper left terminal

R

 

and the right pin socket on the rear of the relay.

22

 

 

 

 

 

 

 

120V COMPRESSORS

 

 

 

 

If continuity is present as described, the compressor

 

 

 

 

 

start relay is operating properly.

 

 

 

 

 

 

4

 

 

 

 

 

If continuity is not present as described, replace re-

3

 

 

 

 

 

lay.

1

 

 

 

 

 

Compressor:

 

 

 

 

 

 

 

 

 

 

 

 

1. With the compressor start relay (1) removed, dis-

 

 

 

 

 

 

connect the black wire from the compressor.

 

 

 

 

 

 

2. Check for continuity across the terminal on the

R22

 

5

6

7

 

compressor and the left pin on the compressor.

 

 

 

 

 

If continuity is present as described, the electrical part

 

 

 

 

 

 

 

230V COMPRESSORS

 

 

P1344

 

of the compressor is operating properly.

 

 

 

 

If continuity is not present as described, replace the

FIG. 12 COMPRESSOR ELECTRICAL COMPONENTS

 

1. Compressor Start Relay

 

 

 

 

compressor.

 

 

 

 

Thermal Overload Protector:

2. Overload Protector Retainer

 

 

 

 

3. Thermal Overload Protector

 

 

 

 

1. Check for continuity across the terminals on the

4. Compressor Start Capacitor

 

 

 

 

thermal overload protector (3).

5. Compressor Terminal Cover

 

 

 

 

If continuity is present as described, the thermal over-

6. Compressor Terminal Cover Retainer

 

 

load protector is operating properly.

7. Compressor Run Capacitor

 

 

 

 

If continuity is not present as described, replace the

 

 

 

 

 

 

 

 

 

 

 

28

thermal overload protector.

 

 

 

 

 

27646 122200

 

 

 

 

 

 

Page 27 Page 29
Page 28
Image 28
Bunn CDS-3 Properly discharged before proceeding, Compressor Start Relay Refer to FIG, Compressor terminal cover, Lay
Page 27 Page 29

CDS-3 specifications

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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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