Bunn AFPO-3, AFPO-2 SL service manual Refill Switches

Page 15

SERVICE (cont.)

REFILL SWITCHES

 

 

 

 

 

1

 

 

 

 

 

REFILL

2

 

 

 

 

 

 

 

 

 

 

3

 

IN

 

 

 

 

 

MA ER

 

 

 

 

 

 

POW

 

 

 

 

WAT

ER

 

 

 

 

 

 

 

 

 

 

 

IN

 

 

 

 

 

1

1

 

 

 

 

 

 

OR

 

 

 

 

 

VORT

FLAVPUT

 

 

 

 

 

FLATPU

IN

 

 

 

 

 

OU

2

 

 

 

 

2

R

 

 

 

 

 

WATE

3

 

 

 

 

 

OUTPUT

 

 

 

 

OR

 

 

 

 

 

 

FLAVPUT

 

 

 

 

 

 

OUT

 

 

 

 

 

3

ATERT

 

 

 

 

 

W PU

 

 

 

 

 

 

OUT

 

 

 

 

 

OR

 

 

 

 

 

 

FLAV

 

 

 

 

 

 

OUTPUT

 

 

 

 

 

 

R

 

 

 

 

 

 

WATEUT

 

 

 

 

 

 

OUTP

 

 

 

 

 

 

FIG. 14 REFILL SWITCHES

P1516

 

Location:

The refill switches are located on the upper right front of the autofill box.

Test Procedures:

1.Disconnect the dispenser from the power source.

2.Disconnect the two white/red, brown/black or red/ black wires from the switch terminals.

3.Connect the dispenser to the power source. Check for voltage across the white/red, brown/black or red black wires from the test/operate switch and the white wire on solenoid #2 or #3. 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.

4.Disconnect the dispenser from the power source.

If voltage is present as described, proceed to #5.

If continuity is present as described, reconnect the wires to the switch terminals.

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

Removal and Replacement:

1.Remove the wires from the switch terminals.

2.Compress the clips inside the autofill box and gently push the switch through the opening in the front of autofill box.

3.Push the new switch into the opening and spread the clips to hold switch in the autofill box.

4.Refer to Fig. 15 when reconnecting the wires.

#1 AFPO-2 & 3

RED/BLK from Test/

Operate Switch

RED/BLK to Vacuum

Switch #1

#2 AFPO-2 & 3

BRN/BLK from Test/

Operate Switch

BRN/BLK to Vacuum

Switch #2

#3 AFPO-3 ONLY

WHI/RED from Test/

Operate Switch

WHI/RED to Vacuum

Switch #3

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

5.Check for continuity across the switch terminals with the switch in the “ON” position. Continuity must not be present when the switch is in the “OFF” position.

FIG. 15 REFILL SWITCH TERMINALS

P1522

15

28791 040501

 

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Contents Phone 217 529-6601 FAX 217 Post Office BOX SPRINGFIELD, IllinoisWarranty IntroductionUser Notices Initial SET-UP Electrical RequirementsElectrical Hook-Up Plumbing RequirementsCleaning Recommended Weekly Cleaning MIX Ratio AdjustmentsInitial SET-UP Time for Flavor Output 1/2 cup Time for Water Output 1 cup MIX Ratio ADJUSTMENTScontProbe Control BOX LOW/OFF/HIGH Main Power ON/OFFRefill Circuit ON/OFF TEST/OPERATEProblem Probable Cause Remedy TroubleshootingTroubleshooting Contents Component AccessCircuit Board Circuit Board Connector LocationLocation Fuse and Fuse HolderMain ON/OFF Switch ServiceMoving Probe System#3 AFPO-3 only Pump Flavor ON/OFF Switches#1 AFPO-2 #2 AFPO-2Refill Switches Refill SwitchesOnly #2 AFPO-2 #3 AFPO-3Solenoid Water ON/OFF Switches Solenoid Water ON/OFF SwitchesTEST/OPERATE Switch Terminals Pump Motor Removal and Replacement VACUUM/SUPPLY Pump AssemblyTubing Start Position VACUUM/SUPPLY Pump Tube InstallationVacuum Switches Vacuum SwitchesPiping Diagram AFPO-2 Schematic Wiring Diagram AFPO-2 Schematic Wiring Diagram AFPO-3 Schematic Wiring Diagram AFPOA-2
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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.

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.
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