TEST/OPERATE Switch | Bunn AFPO-3 SL specs

SERVICE (cont.)

TEST/OPERATE ON/OFF SWITCH
		1
		2
	3
	1
	1
	2
2	3
	3
3
FIG. 20 TEST/OPERATE SWITCH		P1521
FIG. 20 TEST/OPERATE SWITCH

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 indication 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 open- ing.

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		BLK from Main
Board J4-3		ON/OFF Switch
BLU from Solenoid Switch #1		RED/BLK from Pump Switch #1
BLU from Solenoid Switch #1		RED/BLK to Refill Switch #1
		RED/BLK to Refill Switch #1
VIO from Solenoid Switch #2		BRN/BLK from Pump Switch #2
VIO from Solenoid Switch #2		BRN/BLK to Refill Switch #2
		BRN/BLK to Refill Switch #2
WHI/VIO from Solenoid Switch #3		WHI/RED from Pump Switch #3
WHI/VIO from Solenoid Switch #3		WHI/RED to Refill Switch #3
		WHI/RED to Refill Switch #3
FIG. 21 TEST/OPERATE SWITCH TERMINALS			P1525
FIG. 21 TEST/OPERATE SWITCH TERMINALS
	18	41093 040408
	18

AFPO-3 SL 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.

Another standout model is the Bunn AFPO-3 SL, which builds upon the features of the AFPO-2 SL with an increased brewing capacity of up to 4.5 gallons per hour. This model includes a programmable digital control module, which allows users to customize brew cycles for different coffee blends, enhancing versatility. The AFPO-3 SL is designed with stainless-steel construction, ensuring durability and longevity while maintaining easy cleaning and maintenance routines.

The hallmark of the Bunn AFPO-3 is its single-serve capability, which provides a fresh-brewed experience for every cup. With advanced technology that ensures optimal water temperature and flow rate, the AFPO-3 guarantees rich and robust flavors in every pour. This model is ideal for establishments that want to offer their customers a variety of coffee options without sacrificing quality or speed. It also features an intuitive user interface, allowing staff to operate the machine with minimal training.

All three models are equipped with a built-in hot water tap, providing instant access to hot water for tea or other beverages, further increasing their utility in busy environments. The Bunn AFPO series is known for its reliability, with heavy-duty components that withstand the rigors of daily use.

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.

SERVICE (cont.)

FIG. 20 TEST/OPERATE SWITCH

FIG. 21 TEST/OPERATE SWITCH TERMINALS

AFPO-3 SL specifications