SERVICE (cont.)

COMPRESSOR (AMERICOLD) (ULTRA-2) (cont.)

Removal and Replacement:

Compressor Start Relay: Refer to FIG. 15

1.Remove the terminal cover retainer (5) and the terminal cover (4)

2.Disconnect the wires from the compressor start re- lay.

3.Pull relay (1) off of the compressor pins and discard.

4.Push new relay onto the compressor pins.

5.Refer to Fig. 16 and reconnect the wires.

6.Reinstall terminal cover (4) and cover retainer (5).

White from Main Harness

Plug directly to two lower terminals on Compressor

120V DISPENSERS

Black from Run Capacitor

White from Main Harness

Plug directly to two lower terminals on Compressor

230V DISPENSERS

P1338

FIG. 16 COMPRESSOR START RELAY

TERMINALS

Compressor Thermal Overload Protector: Refer to FIG. 15

1.Remove terminal cover retainer (5) and terminal cover

(4).

2.Disconnect the WHI/ORN wire of the harness from the thermal overload protector.

3.Disconnect the BLK wire from the Compressor’s upper terminal.

4.Remove overload protector retainer (3) and thermal overload protector (2) as an assembly.

5.Remove retainer (3) from overload protector (2) and discard overload protector.

6.Install retainer (3) on new overload protector (2).

7.Install retainer (3) and overload protector (2) on the compressor terminal bracket.

8.Refer to Fig. 17 and reconnect the thermal overload protector wires.

9.Reinstall terminal cover (4) and cover retainer (5).

WHI/ORN from

Main Harness

BLK to Compressor

FIG. 17 THERMAL OVERLOAD PROTECTOR TERMINALS

Compressor Run Capacitor (230V Dispensers Only): Refer to FIG. 15

1.Remove terminal cover retainer (5) and terminal cover

(4).

2.Disconnect the run capacitor leads.

3.Remove the #6 crimptite screw securing the run capaci- tor to the rear of the component bracket.

4.Remove run capacitor and discard.

5.Place new run capacitor on the rear of component bracket and secure with #6 crimptite screw.

6.Refer to Fig. 18 and reconnect the wires.

BLK to Start Relay T1

BLK to Start Relay T3

P1816

FIG. 18 COMPRESSOR RUN CAPACITOR

TERMINALS

29

41084 102709

 

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Image 29
Bunn ULTRA-1 manual Compressor Start Relay Terminals
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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.
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