Bunn FMD-4, FMD-5 service manual Draining the HOT Water Tank

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DRAINING THE HOT WATER TANK

CAUTION - The dispenser must be disconnected from the power source throughout these steps.

1.Disconnect the dispenser from the power source.

2.Place the tank heater switch in the “OFF” position.

3.Shut-off and disconnect the incoming water supply.

4.Remove the front, lower access panel.

5.Pull out drain tube to empty into a sink or a container with a minimum of 6-1/2 gallon capacity.

6.Make sure drain clamp is closed. Then, remove drain plug.

7.Direct tube into sink or container and open drain clamp. Continue draining tank until ALL of the water is out. WARNING: Be very careful with the draining water because it can be very hot.

8.Close drain clamp, insert drain plug, place drain tube back into machine, and replace lower access panel. NOTE - The dispenser must be refilled using the INITIAL FILL & HEAT steps before reconnecting to the power source.

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Contents Phone 217 529-6601 FAX 217 Post Office BOX SPRINGFIELD, IllinoisFMD-4 BUNN-O-MATIC Commercial Product WarrantyIntroduction User Notices28368.0000 00831.0000FMD-4 FMD-5 Plumbing Requirements Initial SET-UPElectrical Requirements Electrical HOOK-UPDispenser USE Liquid Level Control Rinse TimersInitial Fill & Heat Running a Rinse SequenceHopper Motor Speed Programing CleaningAdjustments Cold Beverage SET-UP OptionalDraining the HOT Water Tank Probable Cause TroubleshootingProblem Product will not dispenseProbable Cause Remedy Leaks Problem Probable CauseStat for testing procedures. See Dripping from dispense tip Lime build-upTip with a thermometer. Reading Product overflows container Dispense SwitchWeak product Water Temperature Refer to Operation Rinse Timer. SeeTroubleshooting Problem Auger Drive Components FMD-4 ServiceComponent Access ContentsSpacer Auger Motor Hopper Base Dust Seal Washer Hopper LidRetainer Clip Panel To the rear of the auger motor mounting panel Auger Drive Components FMD-4Location Hopper Dust Seal Auger Drive Components FMD-4 & FMD-5Bushing Panel Auger Drive Shaft LocknutRemove dust seal 17 from auger motor Ballasts FMD-4 & FMD-5 Refer to and reconnect the wiresLocation Control ThermostatControl Board Control BoardService Control Board Connectors FMD-4 Dispense Switchs FMD-4 & FMD-5FMD-5 Dispense Switch Terminals Dispense SwitchesFAN FANComponents Frother and Whipper Motor FMD-4 shown & FMD-5Whipper Motor Terminals INCREASE/DECREASE Switch INCREASE/DECREASE SwitchLamp Holders Lamp Replacement Refer to FigDoor Assy Upper Panel Lamp Holders Lower Panel Lamp Starter and Socket Refer to Location Lamp Replacement Refer toLimit Thermostat Limit ThermostatBLK from Main Harness BRN/BLK to RINSE/RUN SwitchBoard J2-3 HOT/COLD Switch HOT/COLD Switch OptionalCold Water Solenoid Valve Solenoid Valve Cold Water OptionalDispense Solenoid Valve Dispense Solenoid Valve Terminals Solenoid Valve Dispense FMD-4 & FMD-5Inlet Solenoid Valve Solenoid Valve InletMain Harness Thermostat Tank HeaterTank Heater Switch Pull component bracket out the front of the dis Tank Heater Relay 120V Dispensers onlyIf the resistance measures as described, proceed to step WHI/GRN from TransformerRemove and discard the transformer WHI from BLK from Main HarnessSchematic Wiring Diagram FMD-4 Single PHASE, 60HZ Schematic Wiring Diagram FMD-5 Single PHASE, 60HZ

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FMD-4, FMD-5 specifications

The Bunn FMD-5 is a state-of-the-art coffee dispenser designed specifically for high-volume coffee brewing situations. This machine is ideal for restaurants, convenience stores, and other establishments that require an efficient and reliable coffee dispensing solution.

One of the primary features of the Bunn FMD-5 is its ability to brew and serve fresh, hot coffee with exceptional speed. The unit is capable of dispensing up to five gallons of coffee per hour, making it an ideal choice for busy environments where customer demand is high. The system utilizes a digital brewer control that allows for precise brewing temperatures and times, ensuring consistency in flavor and quality.

The FMD-5 also incorporates advanced technologies to streamline the brewing process. It features a programmable control panel that allows users to adjust settings based on their specific needs. This includes the ability to set brew cycles, control brew levels, and even program different brew strengths. The easy-to-read digital display shows real-time information, making it simple for operators to monitor the brewing process.

Another notable characteristic of the Bunn FMD-5 is its compact and space-saving design. Despite its robust brewing capacity, the unit is designed to fit easily in various retail and foodservice environments. The machine is also built with durable materials, ensuring longevity and reliability under heavy usage.

For maintenance, the FMD-5 is designed with user convenience in mind. It features removable components and accessible areas for easy cleaning and routine maintenance. Users can also benefit from preventative maintenance features that monitor the machine’s performance, alerting operators to any potential issues before they escalate.

In terms of versatility, the Bunn FMD-5 can accommodate different brewing systems and coffee types, allowing users to customize their offerings based on customer preferences. It supports pre-ground coffee and can also be adapted for different brewing styles, enhancing its usability in various coffee service environments.

Overall, the Bunn FMD-5 is an impressive combination of speed, efficiency, and flexibility, making it an excellent choice for any operation that demands high-quality coffee with minimal wait time. Whether you are serving a morning rush of customers or maintaining a steady stream of coffee through the day, the Bunn FMD-5 stands out as a reliable and efficient coffee dispensing solution.