Bunn FMD-5, FMD-4 service manual Dispense Switches, Dispense Switch Terminals

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SERVICE (cont.)

DISPENSE SWITCHES (cont.)

7.Check for continuity across the terminals (top right to top left; bottom right to bottom left) of the dispense switch with the switch in the “ON” posi- tion. Continuity must not present when the switch is in the “OFF” released position.

If continuity is present as described, reconnect the connector to the door interconnect wiring harness, the switch is operating properly.

If continuity is not present as described, replace the switch.

Removal and Replacement

1.Open the dispenser door.

2.Remove the six #8-32 screws securing the bot- tom door cover and remove cover.

3.Disconnect the wires on the dispense switch from the door interconnect wiring harness.

4.Compress the clips inside the door on the dis- pense switch and gently push the switch through the opening

5.Push the new switch into the opening and spread the clips to hold the switch in the door.

6.Reconnect the wires to the dispense switch from the door interconnect wiring harness.

7.Reinstall the door bottom cover using six #8-32 screws.

8.Refer to Fig. 14 when reconnecting wires.

BLK

RED/WHI

STATIONS

BLK/WHI -1- WHI/BLK

RED -2- RED/BLK

ORN -3- ORN/BLK

GRN/WHI -4- GRN/BLK

BLU -5- BLU/BLK

P1449

FIG. 14 DISPENSE SWITCH TERMINALS

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35135 012103

 

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Contents Post Office BOX SPRINGFIELD, Illinois Phone 217 529-6601 FAX 217BUNN-O-MATIC Commercial Product Warranty IntroductionUser Notices FMD-400831.0000 28368.0000FMD-4 FMD-5 Initial SET-UP Electrical RequirementsElectrical HOOK-UP Plumbing RequirementsLiquid Level Control Rinse Timers Initial Fill & HeatRunning a Rinse Sequence Dispenser USECleaning AdjustmentsCold Beverage SET-UP Optional Hopper Motor Speed ProgramingDraining the HOT Water Tank Troubleshooting ProblemProduct will not dispense Probable CauseProbable Cause Remedy Problem Probable Cause Stat for testing procedures. SeeDripping from dispense tip Lime build-up LeaksProduct overflows container Dispense Switch Weak product Water TemperatureRefer to Operation Rinse Timer. See Tip with a thermometer. ReadingTroubleshooting Problem Service Component AccessContents Auger Drive Components FMD-4Hopper Lid Spacer Auger Motor Hopper Base Dust Seal WasherRetainer Clip Panel Auger Drive Components FMD-4 To the rear of the auger motor mounting panelLocation Auger Drive Components FMD-4 & FMD-5 Bushing Panel Auger Drive ShaftLocknut Hopper Dust SealRemove dust seal 17 from auger motor Refer to and reconnect the wires Ballasts FMD-4 & FMD-5Control Thermostat LocationControl Board Control BoardService Control Board Connectors Dispense Switchs FMD-4 & FMD-5 FMD-4FMD-5 Dispense Switches Dispense Switch TerminalsFAN FANFrother and Whipper Motor FMD-4 shown & FMD-5 ComponentsWhipper Motor Terminals INCREASE/DECREASE Switch INCREASE/DECREASE SwitchLamp Replacement Refer to Fig Lamp HoldersDoor Assy Upper Panel Lamp Holders Lower Panel Lamp Replacement Refer to Lamp Starter and Socket Refer to LocationLimit Thermostat Limit ThermostatRINSE/RUN Switch BLK from Main Harness BRN/BLK toBoard J2-3 HOT/COLD Switch Optional HOT/COLD SwitchSolenoid Valve Cold Water Optional Cold Water Solenoid ValveDispense Solenoid Valve Solenoid Valve Dispense FMD-4 & FMD-5 Dispense Solenoid Valve TerminalsSolenoid Valve Inlet Inlet Solenoid ValveTank Heater Main Harness ThermostatTank Heater Switch Tank Heater Relay 120V Dispensers only Pull component bracket out the front of the disIf the resistance measures as described, proceed to step Transformer Remove and discard the transformerWHI from BLK from Main Harness WHI/GRN fromSchematic 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.