BUNNEspress®

WIRING DIAGRAM

 

Model ES•1AF

L1

 

 

 

 

 

 

 

 

 

 

N

 

 

 

 

 

 

 

GRN

 

 

 

 

LIMIT

LIMIT

PRESSURE

 

 

 

 

 

 

 

T'STAT

T'STAT

SWITCH

BLK

 

BLK

1785W

WHI

BLK

BLK

BLK

 

 

 

 

 

 

 

 

 

 

K-N.O.

TANK HEATER

 

 

 

 

 

 

 

WHI

 

 

WHI

 

 

 

 

 

HOT WATER

BREW

 

 

A I R

D

J2-1

RED

PUMP

WHI

WHI

SOL

 

SOL

WHI

WHI

SOL

 

 

 

 

 

 

 

 

 

 

 

I

J2-3

WHI

 

 

 

 

 

 

 

 

 

G

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I

J2-5

 

 

 

 

 

 

 

 

 

 

T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

J2-7

BLK

 

 

 

 

 

 

 

 

 

L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J2-9

WHI/YEL

 

 

 

 

 

 

 

 

 

B

WHI/RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

J2-11

ORA

 

 

 

 

 

 

 

 

 

E

BLU

 

 

 

 

 

 

 

 

 

 

 

 

 

PRIMARY

SECONDARY

 

 

W

J2-13

WHI/BLU

 

 

 

 

REFILL

E

V I O

 

 

 

STEAM

 

STEAM

 

 

 

 

WHI

WHI

 

WHI

WHI

R

J2-15

WHI/ORA

K

SOL

 

SOL

SOL

 

 

 

 

 

 

 

C

 

GRN

 

 

 

 

WHI

 

 

WHI

O

J3-1

 

 

 

 

 

 

 

 

 

N

PNK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T

J3-3

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

J3-5

 

 

 

 

 

 

 

 

 

 

L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

J3-7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I

J3-9

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

J3-11

 

 

 

 

 

 

 

 

 

 

U

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I

J3-13

 

 

 

 

 

 

 

 

 

 

T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

J3-15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

J3-17

 

 

 

 

 

 

 

FLOW METER

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUT

 

R

 

 

 

 

 

 

 

 

 

 

J3-19

BLK

 

 

 

 

 

GRN

+

 

D

 

 

 

 

 

 

 

 

 

 

 

 

-

 

 

J3-21

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J3-23

GRY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J3-25

 

 

 

 

 

 

 

 

 

 

 

J3-27

 

 

 

 

 

 

 

TANK LEVEL

 

 

 

 

 

 

 

 

 

 

J3-29

 

 

P1

 

P1

 

 

 

SENSING

 

 

 

YEL

YEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J3-31

 

 

P2

BLU

P2

BLU

 

CONTROL PANEL,

 

 

 

 

 

 

 

 

J3-33

 

 

P3

 

P3

 

 

PROGRAM

SWITCH,

 

 

 

WHI

WHI

& DISPLAY INTERFACE

 

 

V I O

 

 

 

 

J3-35

 

P4

ORA

P4

ORA

 

 

 

 

 

 

 

 

 

 

 

 

 

ORA

 

 

 

 

 

 

 

 

J3-37

 

P5

BLK

P5

BLK

 

120 VOLTS AC

 

BLU

 

 

 

 

 

 

 

J3-39

YEL

 

P6

RED

P6

RED

 

 

2 WIRE

 

WHI

 

 

 

 

 

 

 

 

 

SINGLE PHASE

26564.0000B

11/95 © 1995 BUNN-O-MATIC CORPORATION

 

 

 

 

 

 

 

 

 

 

 

 

12

 

 

 

 

 

Page 12
Image 12
Bunn ES.1AF service manual Wiring Diagram

ES.1AF specifications

The Bunn ES.1AF is an innovative coffee brewer designed for commercial use, particularly favored in restaurants, cafes, and office environments. This machine stands out for its efficient brewing capabilities and user-friendly features, making it an essential tool for coffee enthusiasts and professionals alike.

One of the main features of the Bunn ES.1AF is its ability to deliver high-quality coffee quickly. This coffee brewer can produce up to 3.8 gallons of fresh coffee per hour, ensuring that there is always a ready supply for busy settings. Its large-capacity design enables users to brew multiple batches without significant downtime, making it an ideal choice for high-traffic venues.

A key technology integrated into the Bunn ES.1AF is its advanced brewing system. The brewer employs a unique water immersion method, which optimizes the extraction process and allows for a fuller, richer flavor in each cup. This technology ensures that the coffee grounds are evenly saturated, resulting in a consistent brew temperature and extraction time, crucial for achieving the perfect coffee taste.

Additionally, the Bunn ES.1AF features adjustable brew settings, allowing users to customize the strength and flavor profile of their coffee. This adaptability makes it suitable for a variety of coffee types, including robust blends and milder flavors. The machine also includes a digital display that provides real-time feedback and alerts, helping users monitor the brewing process with ease.

Durability and reliability are critical characteristics of the Bunn ES.1AF. Constructed from high-quality materials, this commercial-grade brewer is built to withstand the demands of frequent use. Its stainless-steel components not only enhance its aesthetics but also contribute to its longevity and resistance to corrosion.

Furthermore, the Bunn ES.1AF is designed with safety in mind. It features an automatic shut-off function that prevents overheating and reduces energy consumption, thereby making it an environmentally friendly choice. The easy-to-clean design ensures that maintenance is minimal, allowing users to focus more on serving great coffee than on upkeep.

In conclusion, the Bunn ES.1AF is a highly efficient, technologically advanced coffee brewer that delivers versatility, durability, and quality. Ideal for businesses that prioritize performance and consistency, this brewer exemplifies the perfect blend of innovative technology and practical design, making it a leader in the commercial coffee brewing market.