Input and Output Chart (ULTRA-1)

J1 connector - black is TIC board ground and white is data wire.

J9 connector for liquid crystal display.

J10 connector for Main harness

PIN

WIRE COLOR

FUNCTION

COMPONENT

VOLTAGE

NUMBER

AND GAUGE

 

 

 

1

White/Blue 18

- - - - - -

Rectifier

- - - - - -

2

Blue 22

Output

Torque Sensor

5VDC

3

Tan 22

Input/Signal

Temp Sensor

*

4

White/Gray 22

Output

Torque Sensor

5VDC

5

White/Black 18

- - - - - -

Rectifier

- - - - - -

6

Not used

Not used

Not used

Not used

7

Not used

Not used

Not used

Not used

8

Brown/White 18

Output

Auger Motor

120VAC

9

Brown/Black 18

Output

Auger Motor

120VAC

10

Black 18

Supply

PC Board

120VAC

11

Yellow 22

Input/Signal

Hot Gas Temp

*

12

Violet 18

Output/Switched

Lamp Relay

12VDC

13

Gray 22

Output

Condenser Fans

120VAC

14

Blue/Black 18

Output

Lamp Relay

+12VDC

15

White/Black 22

Board Ground

Sensors

5VDC

16

Not used

Not used

Not used

Not used

17

White 18

Neutral

PC Board

Neutral

18

Not used

Not used

Not used

Not used

19

Brown 22

Output

Solenoid

120VAC

20

Orange 18

Output

Compressor Relay

120VAC

*With sensor disconnected you will read +5VDC, but when connected, voltage will vary according to temperature. To check sensor, see repair section.

J11 connector for touch pad/ membrane switch (see touch pad pin out test).

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Image 59
Bunn manual Input and Output Chart ULTRA-1

ULTRA-1 specifications

The Bunn ULTRA-1 is a state-of-the-art coffee brewing system designed for commercial use, offering an unmatched combination of speed, efficiency, and flavor extraction. This single-serve coffee brewer is tailored for businesses that require high-quality coffee brews in a fast-paced environment, such as cafes, restaurants, and office kitchens.

One of the standout features of the Bunn ULTRA-1 is its ability to brew up to 14 different cup sizes, accommodating various customer preferences. This flexibility allows operators to serve everything from small espresso shots to larger coffee servings, making it a versatile addition to any beverage-serving establishment. At the heart of this brewing system is Bunn's patented brewing technology, which ensures precise water temperature and ideal brew time, optimizing the extraction process for a full-bodied flavor profile.

The ULTRA-1 is equipped with a large, easy-to-read LCD screen that provides real-time feedback, allowing users to monitor brewing progress, select cup sizes, and customize brewing parameters. This intuitive interface simplifies operation, reducing the learning curve for new staff members and enhancing overall efficiency during peak hours.

Another innovative aspect of the Bunn ULTRA-1 is its advanced thermal carafe system, which keeps brewed coffee at the optimal serving temperature without the need for a traditional warming plate. This technology helps preserve the coffee's rich flavor and aroma by preventing it from becoming bitter or stale due to prolonged exposure to heat.

The ULTRA-1 emphasizes ease of maintenance with its removable brew chamber and drip tray, allowing for quick cleaning and routine upkeep. Additionally, the brewer features a self-diagnostic system, alerting operators to any potential issues, further minimizing downtime.

From its sleek design to its robust construction, the Bunn ULTRA-1 combines aesthetics and durability, making it a reliable choice for any coffee-centric business. The compact design ensures it can fit on counters without taking up excessive space, while its stainless steel components provide longevity and resistance to wear and tear.

In conclusion, the Bunn ULTRA-1 stands out in the crowded market of commercial coffee brewers due to its advanced technology, versatility, and user-friendly features. It is designed to meet the demands of modern coffee service while ensuring that every cup brewed meets the highest standards for taste and quality.