Bunn 428220001E service manual Daily Cleaning Sprayhead Removal, Check Valve Removal

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DAILY CLEANING

SPRAYHEAD REMOVAL

1

Clean & inspect parts daily.

Replace if loose, cracked or damaged.

2

3.

Lift handle. Remove brew chamber and cup. Wipe down sprayhead with a soft cloth to remove any residue. Once a month, or as use necessitates, rotate sprayhead coun- terclockwise and remove as illustrated.

Clean & lube guides as needed.

Thoroughly wash sprayhead, cup and check valve (with mild soap and water) and rinse with fresh water. Wipe out the cap area above sprayhead and around O-rings. Replace sprayhead by rotating clockwise, take care not to over tighten or cross thread the sprayhead when reinstalling.

CHECK VALVE REMOVAL

After cleaning, apply very light film of silicon lube (included) to O-rings & check valve (1-4)

Push the check valve up from underneath the cup support.

4

STOP!

DO NOT LUBE

THIS O-RING

Thoroughly flush the check valve while pushing the center poppet open with a probe.

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Contents Installation & Operating Guide BUNN-O-MATIC Commercial Product Warranty Introduction ContentsRecommended Preventive Maintenance For USE by Trained Personnel only Important Safe GuardsElectrical Requirements CE RequirementsPlumbing Requirements Plumbing Hook-UpRinse Initial SET-UPOperating Controls Brew StartCoffee Brewing On NextAdjusting Brewing Parameters SET Temp Press OUT TimeRinsing Daily Cleaning Sprayhead Removal Check Valve RemovalCleaning Tablets Cleaning Cycle Deep Clean CycleTank Draining Front Panel Removal and Tank DrainingDisconnect Brewer From Water Supply Before Draining YES Recipe Changes Enabled LockedLevel House Special Change Next Decaf House SpecialCustom Name Advanced Adjustments & Optional SettingsCustom No Save ? YESEnglish Select Default English Units Metric DoneBase Temperature Enable Disable Brew Lockout ? No Done YESReset Rinse AIR PowerEnter Service # Test Outputs ? Service ToolsFactory Defaults Vent Valve On Next OFF Turbulence Pump Press OUT PumpBrew Chamber On Next OFF Test Switches YESNothing Pressed Calibrate Flow ?HOT Liquids CAL TemperatureBrewing Do not Open Brew Chamber or Remove Container Until FinishedAre YOU Sure ? Trifecta

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.