Initial SET-UP, Operating Controls, Rinse | Bunn 428220001E instruction

INITIAL SET-UP

1.Install check valve. Refer to pictures on page 10.

2.Install clear brew chamber and empty brew cup. Lock chamber in place.

3.Place an empty container that holds at least 20 ounces under the brew chamber.

4.Connect the brewer to the power source.

5.Press the brew start switch. Water will flow into the brew tank. Some excess water will flow into the container below and the brew cup.

6.Wait approximately five minutes for the water in the tank to heat to the proper temperature. Display will show "HEAT- ING" until tank reaches it's operating temperature. Some water will drip from the brew chamber during this time; this is due to expansion and should not occur thereafter. Any excess water in the brew chamber will be automati- cally purged at the end of the initial setup.

7.Water volumes and flow settings have been preset at the factory. Refer to "Adjusting Brewing Parameters" section of this manual should the volume need to be increased or decreased.

8.The brewer is now ready for use in accordance with the instructions for Coffee Brewing.

NOTE: If brewer has been drained/moved, perform "Reset to first time" procedure on page 11.

Brew water temperature is factory set at 200° F (93.3° C) Areas of high altitude will require lowering this tempera- ture to prevent boiling. This chart should be used as a guide when readjusting the brew water temperature.

Altitude	Boiling point		Recommended
	of water		water temperature
(Feet)	° F	° C	° F	° C

-1000	213.8	101.0	200	93.3
-500	212.9	100.5	200	93.3
0	212.0	100.0	200	93.3
500	211.1	99.5	200	93.3
1000	210.2	99.0	200	93.3
1500	209.3	98.5	200	93.3
2000	208.4	98.0	200	93.3
2500	207.4	97.4	200	93.3
3000	206.5	96.9	199	92.8
3500	205.6	96.4	198	92.2
4000	204.7	95.9	197	91.7
4500	203.8	95.4	196	91.1
5000	202.9	94.9	195	90.6
5500	201.9	94.4	195	90.6
6000	201.0	93.9	194	90.0
6500	200.1	93.4	193	89.4
7000	199.2	92.9	192	88.9
7500	198.3	92.4	191	88.3
8000	197.4	91.9	190	87.8
8500	196.5	91.4	189	87.2
9000	195.5	90.8	188	86.7
9500	194.6	90.3	187	86.1
10000	193.7	89.8	186	85.6

OPERATING CONTROLS

RINSE

Press this button to rinse brew chamber after each brew cycle.

(+)/YES

(-)/NO

BREW START

Press again to cancel.

PROGRAM/SELECT

Page 6	42822.1 110411

428220001E specifications

The Bunn 428220001E is a high-quality commercial coffee brewer designed for businesses that prioritize speed and efficiency in their coffee service. This model stands out in the realm of brewing technology, featuring a range of innovative designs and functionalities that cater to various commercial environments, including restaurants, cafes, and office spaces.

One of the main features of the Bunn 428220001E is its dual-brew capability, allowing users to brew multiple pots of coffee simultaneously. This is particularly advantageous for high-demand situations where time is of the essence. The machine is equipped with two warmers, ensuring that coffee can be kept at optimal serving temperatures while additional batches are being prepared.

The brewer utilizes Bunn's advanced brewing technology, which includes an internal tank that maintains water at optimal brewing temperatures. This feature enables quick brewing, reducing wait times for customers. Additionally, the Bunn 428220001E offers easy-to-use controls, allowing baristas to set brew strength and adjust temperature settings to suit their specific preferences.

The machine is built with durability in mind, featuring high-quality materials that are designed to withstand the rigors of a busy coffee service environment. Its stainless steel construction not only provides added longevity but also ensures ease of cleaning, making maintenance straightforward and hassle-free.

Another characteristic of the Bunn 428220001E is its versatility. It is compatible with both ground coffee and coffee pods, giving businesses the flexibility to choose their preferred brewing method. This adaptability allows establishments to cater to a wide range of customer preferences, enhancing overall customer satisfaction.

Furthermore, the machine includes a safety feature that prevents overheating, ensuring that the brewing process is safe. This focus on safety, along with its user-friendly interface, makes it an excellent choice for coffee shops with a diverse workforce.

In summary, the Bunn 428220001E is an exceptional commercial coffee brewer that combines efficiency, durability, and versatility. With its dual-brew capability, advanced brewing technology, and user-friendly controls, it is perfectly suited for any high-volume coffee service environment. Its robust design ensures longevity and reliability, making it a worthy investment for businesses looking to enhance their coffee offerings.

Bunn 428220001E Initial SET-UP, Operating Controls, Rinse, Brew Start, Program/Select

Models: 428220001E