Bunn AFPO-3, AFPO-2 SL service manual Component Access, Contents

Page 9

SERVICE

This section provides procedures for testing and replacing various major components used in this dispenser should service become necessary. Refer to Troubleshooting for assistance in determining the cause of any problem.

WARNING - Inspection, testing, and repair of electri- cal equipment should be performed only by qualified service personnel. The dispenser should be un- plugged when servicing, except when electrical tests are required and the test procedure specifically states to plug in the dispenser.

COMPONENT ACCESS

WARNING - Disconnect the dispenser from the power source before the removal of any panel or the replace- ment of any component.

All components are accessible by removing the eight #8-32 screws (five on the front and three on the rear) securing the main housing to the main mount- ing panel and the removal of the four #8-32 nuts se- curing the pump/solenoid switch panel to the sole- noid mounting bracket. Refer to Fig. 1

Refer to the contents listing for component loca- tion.

Contents

 

Circuit Board

10

Fuse & Fuse Holder

11

Main ON/OFF Switch

12

Probe LOW/OFF/HIGH Switches

13

Pump (Flavor) Start Switches

14

Refill ON/OFF Switches

15

Solenoid

16

Solenoid (Water) Start Switches

17

Test/Operate Switch

18

Vacuum/Supply Pump Assembly

19

Vacuum Switches

21

Piping Diagram

22

Wiring Diagrams

23

 

 

 

 

 

 

 

1

 

 

 

 

 

REFI

LL

2

 

 

 

 

3

 

 

N

 

 

 

 

 

 

MAIER

 

 

 

 

 

 

 

POW

 

 

 

 

TER

 

 

 

 

 

 

WA

UT

 

 

 

 

 

 

INP

 

 

 

 

 

1

 

1

 

 

 

 

 

OR

LAV

OR

 

 

 

 

 

T

 

 

 

 

 

FLUATVPUT

FINPU

2

 

 

 

 

 

O

 

 

 

 

 

2

TERT

 

 

 

 

 

 

WATPU

3

 

 

 

 

 

 

OU

 

 

 

 

 

R

 

 

 

 

 

 

 

VO T

 

 

 

 

 

 

 

FLATPU

 

 

 

 

 

 

 

OU

 

 

 

 

 

 

3

TERT

 

 

 

 

 

 

WATPU

 

 

 

 

 

 

 

OU

 

 

 

 

 

 

R

 

 

 

 

 

 

 

VO T

 

 

 

 

 

 

 

FLATPU

 

 

 

 

 

 

 

OU

 

 

 

 

 

 

 

TERT

 

 

 

 

 

 

 

WATPU

 

 

 

 

 

 

 

OU

 

 

 

 

 

 

 

FIG. 1 COMPONENT ACCESS

 

 

P1521

 

 

 

9

28791 040501

 

Image 9
Contents Phone 217 529-6601 FAX 217 Post Office BOX SPRINGFIELD, IllinoisWarranty IntroductionUser Notices Electrical Hook-Up Electrical RequirementsPlumbing Requirements Initial SET-UPCleaning Recommended Weekly Cleaning MIX Ratio AdjustmentsInitial SET-UP Time for Flavor Output 1/2 cup Time for Water Output 1 cup MIX Ratio ADJUSTMENTScontRefill Circuit ON/OFF Main Power ON/OFFTEST/OPERATE Probe Control BOX LOW/OFF/HIGHProblem Probable Cause Remedy TroubleshootingTroubleshooting Contents Component AccessCircuit Board Circuit Board Connector LocationLocation Fuse and Fuse HolderMain ON/OFF Switch ServiceMoving Probe System#1 AFPO-2 Pump Flavor ON/OFF Switches#2 AFPO-2 #3 AFPO-3 onlyRefill 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.