SERVICE (cont.)

TEST/OPERATE ON/OFF SWITCH

 

 

 

 

 

 

 

 

 

 

1

 

 

 

REFIL

L

 

2

 

 

 

 

 

 

 

 

 

3

 

MAIENR

 

 

 

 

 

 

POW

 

 

 

 

R

 

 

 

 

 

 

ATET

 

 

 

 

 

 

WINPU

 

 

 

 

 

1

1

 

 

 

 

 

FLUATVPOURT

OR

 

 

 

 

 

FILNAPVUT

 

 

 

 

 

O

2

 

 

 

 

2

ER

 

 

 

 

 

WATPUT

3

 

 

 

 

 

OUT

 

 

 

 

R

 

 

 

 

 

 

AVOUT

 

 

 

 

 

 

OFLUTP

 

 

 

 

 

3

ER

 

 

 

 

 

WATPUT

 

 

 

 

 

 

OUT

 

 

 

 

 

OR

 

 

 

 

 

 

FLAVPUT

 

 

 

 

 

 

OUT

 

 

 

 

 

 

ER

 

 

 

 

 

 

WATPUT

 

 

 

 

 

 

OUT

 

 

 

 

 

 

FIG. 20 TEST/OPERATE SWITCH

P1521

 

Location

The test/operate switch is located inside the autofill box on the right side.

Test Procedures:

1.Disconnect the dispenser from the power source.

2.Remove the black wire from the top center switch terminal.

3.Connect the dispenser to the power source. With a voltmeter, check the voltage across the black wire removed from the test/operate switch and the white wire from one of the solenoids. The indica- tion must be:

a)120 volts ac for two wire 120 volt models.

b)200 to 240 volts ac for two wire 200 or 240 volt models.

c)230 volts ac for two wire 230 volt models.

5.Disconnect the dispenser from the power source.

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

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

6.Disconnect the wires from the left and center terminals.

7.Check for continuity across the left and center terminals in rows one, two, three and four with the switch in the “operate” position. Continuity should not be present across the left and center terminals with the switch in the “center” or “Test” position.

If continuity is present as described, replace the wires. The switch is operating properly.

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

Removal and Replacement:

1.Disconnect the dispenser from the power source.

2.Remove the wires from the switch terminals.

3.Compress the clips inside on the back of the switch panel and gently push the switch through the opening.

4.Push the new switch into the opening and spread the clips to hold the switch in the switch panel.

5.Refer to FIG. 21 when reconnecting the wires.

BLK to Circuit

Board J4-3

BLU from Solenoid Switch #1

VIO from Solenoid Switch #2

WHI/VIO from Solenoid Switch #3

BLK from Main

ON/OFF Switch

RED/BLK from Pump Switch #1

RED/BLK to Refill Switch #1

BRN/BLK from Pump Switch #2

BRN/BLK to Refill Switch #2

WHI/RED from Pump Switch #3

WHI/RED to Refill Switch #3

FIG. 21 TEST/OPERATE SWITCH TERMINALS

P1525

 

18

28791 040501

 

Page 17 Page 19
Page 18
Image 18
Bunn AFPO-3, AFPO-2 SL service manual TEST/OPERATE Switch Terminals
Page 17 Page 19

AFPO-2, AFPO-2 SL, AFPO-3 specifications

The Bunn AFPO-2 SL, AFPO-3 SL, and AFPO-3 are advanced coffee brewing systems that cater to the needs of commercial establishments seeking efficiency and high-quality coffee production. These machines are designed for ease of use, high throughput, and flexibility, making them ideal for coffee shops, restaurants, and workplaces.

The Bunn AFPO-2 SL is known for its dual-brew capabilities, allowing users to brew coffee and tea simultaneously. This model features a sleek, stainless-steel design that fits well in various settings. It comes equipped with an electronic controls interface that ensures precise brewing temperatures and times, enabling baristas to consistently produce flavorful coffee. The AFPO-2 SL has a brewing capacity of up to 3.8 gallons per hour, making it suitable for high-demand environments.

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In summary, the Bunn AFPO-2 SL, AFPO-3 SL, and AFPO-3 represent the pinnacle of brewing technology in the commercial coffee market. With their advanced brewing capabilities, user-friendly designs, and robust construction, these machines are perfectly suited for any establishment that values quality coffee and operational efficiency.
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