Bunn AFPO-2 SL service manual Schematic Wiring Diagram AFPO-3

Page 24

SCHEMATIC WIRING DIAGRAM

AFPO-3

GRN

N

 

L1

BLK

MAIN ON/OFF

SWITCH

BLK

 

 

 

BLK

 

10

 

 

 

 

 

 

 

 

 

 

AMP

REFILL ON/OFF

SWITCH #3

WHI/RED

WHI/RED

 

SOLENOID

 

 

 

 

SW1D

 

 

 

 

 

 

 

 

 

 

 

SWITCH #3

 

 

 

 

 

 

 

 

WHI/VIO

SOL

WHI

 

 

 

 

 

 

WHI/VIO

#3

 

 

 

 

 

B

PUMP

 

 

 

 

 

 

 

 

 

 

 

 

 

L

 

 

 

 

 

 

 

SWITCH #3

WHI/RED

 

 

 

 

 

REFILL ON/OFF

K

 

 

 

 

 

 

 

 

 

 

 

T

SWITCH #2

 

 

RED

 

WHI

 

 

 

 

PUMP

 

BRN/BLK

BRN/BLK

 

 

 

E

 

 

 

#3

 

 

SW1C

S

 

B

SOLENOID

 

 

 

 

T

 

 

 

 

 

 

 

L

 

 

 

 

 

/

 

SWITCH #2

 

 

 

 

 

 

K

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

VIO

SOL

WHI

 

 

P

 

 

 

 

 

E

 

 

 

 

#2

 

 

 

 

 

 

VIO

 

 

 

R

 

B

 

 

 

 

 

 

PUMP

 

 

 

 

A

REFILL ON/OFF

 

 

 

 

 

L

 

 

 

 

 

T

SWITCH #2

BRN/BLK

 

 

 

 

SWITCH #1

K

 

 

 

 

E

 

 

 

 

W

RED/BLK

RED/BLK

 

 

ORN

PUMP

 

 

 

 

 

H

 

S

 

 

 

 

#2

 

 

 

 

 

 

W

I

 

W

 

B

 

 

 

SW1B

 

SOLENOID

 

 

 

I

 

 

 

H

 

 

L

SWITCH #1

 

 

 

 

T

 

 

 

I

 

 

 

K

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

BLU

SOL

 

 

 

H

VACUUM

 

 

 

#1

 

 

 

 

 

 

 

 

 

 

 

SW ITCH #3

BBLU

PUMP

 

L

SW ITCH #1

RED/BLK

 

 

 

 

 

 

 

 

 

 

 

K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YEL

PUMP

 

 

 

 

 

 

 

 

WHI

 

 

 

 

 

#1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SW1A

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

VACUUM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH #2

 

 

 

 

 

 

 

 

 

 

 

 

 

VACUUM

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH #1

 

 

 

C

 

J4-1

 

 

 

 

 

 

 

 

 

 

 

 

I

 

WHI/RED

 

 

 

 

 

 

 

 

 

 

 

R

 

2

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

C

 

3

 

 

 

 

 

 

 

 

 

 

 

 

BRN/BLK

 

 

 

 

 

 

 

 

 

 

 

U

 

4

 

 

 

 

 

 

 

 

 

 

 

I

 

RED/BLK

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

T

 

WHI

 

 

 

 

 

 

 

 

 

 

WHI

 

 

6

 

 

 

 

 

 

 

 

 

 

B

 

ORN

 

 

 

 

 

 

 

 

 

 

 

 

7

 

 

 

 

 

 

 

 

 

 

 

 

GRY

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

 

A

 

8 VIO

 

 

 

 

 

 

 

 

 

 

 

R

 

9

YEL

 

 

 

 

GRN

 

 

 

 

 

 

D

J4-10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

2

1

 

 

 

 

 

 

 

 

 

 

 

4

3

 

BLK

 

 

 

 

 

 

 

 

 

 

 

3

4

 

1

1

 

 

1

 

 

 

 

 

 

 

 

 

 

BLK

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

2

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI

 

1

1

 

 

GRN 1

 

 

120 VOLT AC 2 WIRE

 

 

 

GRN

 

 

 

 

 

 

 

BLK

GRN

 

BLK

BLK

 

 

 

SINGLE PHASE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

2

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L

H

L

H

L

H

 

 

T

BLU

T

BLU

T

BLU

A

A

A

 

 

 

N

 

N

 

N

 

 

 

 

 

 

PROBE

PROBE

PROBE

CONTROL

CONTROL

CONTROL

1

2

3

24

28791 051599

 

Image 24
Contents Post Office BOX SPRINGFIELD, Illinois Phone 217 529-6601 FAX 217Warranty IntroductionUser Notices Electrical Requirements Electrical Hook-UpPlumbing Requirements Initial SET-UPCleaning Recommended Weekly Cleaning MIX Ratio AdjustmentsInitial SET-UP MIX Ratio ADJUSTMENTScont Time for Flavor Output 1/2 cup Time for Water Output 1 cupMain Power ON/OFF Refill Circuit ON/OFFTEST/OPERATE Probe Control BOX LOW/OFF/HIGHTroubleshooting Problem Probable Cause RemedyTroubleshooting Component Access ContentsCircuit Board Connector Location Circuit BoardFuse and Fuse Holder LocationService Main ON/OFF SwitchProbe System MovingPump Flavor ON/OFF Switches #1 AFPO-2#2 AFPO-2 #3 AFPO-3 onlyRefill Switches Refill Switches#2 AFPO-2 #3 AFPO-3 OnlySolenoid Water ON/OFF Switches Solenoid Water ON/OFF SwitchesTEST/OPERATE Switch Terminals VACUUM/SUPPLY Pump Assembly Pump Motor Removal and ReplacementVACUUM/SUPPLY Pump Tube Installation Tubing Start PositionVacuum 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.