Bunn SRUA service manual Coffee reservoir overflows Brewer is making unusal noises

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TROUBLESHOOTING (cont.)

PROBLEM

Coffee reservoir overflows

Brewer is making unusal noises

PROBABLE CAUSE

1.Coffee reservoir not completely empty before a brew cycle was started.

2.Timer

3.Pump - Flow Rate

1.Plumbing lines

2.Water supply

3. Tank Heater

REMEDY

Be sure coffee reservoir is empty before brew cycle is started.

Refer to Service -Timer for test- ing procedures. See page 28 or 29

Check pump flow rate with a watch. Pump flow rate should be approxi- mately 24 ounces in 15 seconds. Be sure pump assembly is free of any obstructions.

Plumbing lines should not be rest- ing on the counter top.

(A)The brewer must be connected to a cold water line.

(B)Water pressure to the brewer must not exceed 90 psi (621 kPa). Install a regulator if necessary to lower the pressure to approxi- mately 50 psi (345 kPa).

Remove and clean lime off the tank heater. See page 26

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Contents Bunn Srua Post Office BOX SPRINGFIELD, IllinoisBUNN-O-MATIC Commercial Product Warranty IntroductionUser Notices Electrical Installation Instructions Electrical RequirementsPlumbing Requirements Initial Setup Plumbing Hook-upAdjusting Brew Volumes Cleaning Coffee BrewingFilter Holder Troubleshooting Problem Probable CauseRemedy Problem Brew cycle will not start Tank not fillingDirection of flow arrow must be pointing towards brewer Problem Probable Cause Remedy Refer to Service Solenoid Valve for testing procedures. See Pump tubingFunnel overflows Filters StructedRemove and clean lime off the tank heater. See Coffee reservoir overflows Brewer is making unusal noisesService Component AccessContactor LocationBLK Thermal Block L1 Fuse to Tank Heater RED Thermal Fuse ThermostatDisconnect the red wires from the control thermo- stat Control ThermostatFuse and Fuse Holder Fuse and Fuse HolderLimit Thermostat Limit ThermostatLiquid Level Board and Level Probe Liquid Level BoardService Liquid Level Board and Level Probe ON/OFF Switch Disconnect all wires on the ON/OFF switchRED to Start Switch, Brew Pump Assembly Pump AssemblySelector Switch Half Batch Option Selector Switch Half BatchSolenoid SolenoidStart Switch Brew LocationSwing ARM Switch Swing ARM SwitchTank Heater Tank HeaterThermal Fuses Thermal FusesTimer Service Digital Brew Timer Late Models If voltage is as described, proceed to #7Digital Timer Terminals 10491.0004A 07/02 2002 BUNN-O-MATIC Corporation

SRUA specifications

The Bunn SRUA is an innovative coffee brewer that is designed to meet the needs of commercial environments, like restaurants, cafes, and office breakrooms. This machine is known for its efficiency, reliability, and exceptional brewing quality. The SRUA model is particularly popular for its ability to produce consistently great-tasting coffee with minimal effort.

One of the standout features of the Bunn SRUA is its unique brewing technology. The machine is equipped with a patented brewing system that allows for precise control over temperature and brewing time. This ensures that the coffee is brewed at the optimal temperature, extracting the maximum flavor from the coffee grounds. The SRUA also features a hot water faucet that provides instant hot water for tea or other beverages, enhancing versatility in beverage options.

The Bunn SRUA has a large capacity, able to brew multiple pots of coffee quickly. It can produce up to 3.8 gallons of coffee per hour, making it ideal for high-demand settings. The brewer has a built-in water tank that maintains the right temperature at all times, reducing wait times and allowing for quick service during busy hours.

In terms of design, the SRUA is built to withstand the rigors of daily use in commercial settings. It features high-quality stainless steel construction, ensuring durability and longevity. Additionally, the machine is relatively compact, allowing it to fit on countertops with limited space while still providing high-volume output. The user-friendly interface and clear indicator lights make operating the machine straightforward, even for staff with minimal training.

Moreover, the Bunn SRUA emphasizes easy maintenance. The machine comes with a removable brew basket and a stainless steel funnel that simplify cleaning and prevent residue buildup. Regular maintenance is streamlined, helping to keep the brewer functioning at peak performance.

Security features are also integrated into the Bunn SRUA, with options for water line connection and manual fill capabilities, allowing users to choose the most convenient setup for their needs.

In summary, the Bunn SRUA is a powerful, efficient, and durable commercial coffee brewing solution that delivers exceptional performance and versatility, making it an excellent choice for businesses that prioritize quality and service.