Bunn FMD-4, FMD-5 manual Frother and Whipper Motor all Models except -2FD

Page 33

SERVICE (cont.)

FROTHER AND WHIPPER MOTOR (all Models except -2FD)

FMD DBC-3 shown

P4102.40

FIG. 24 FROTHER AND WHIPPER MOTOR

Location:

The frothers are located behind the dispenser door, mounted on the whipper motor shaft inside the whipper chamber.

The whipper motors are located on the back side of the whipper motor mounting panel.

Test Procedure:

1.Check that the rinse/run switch is in the rinse (up) position.

2.Disconnect the dispenser from the power source.

3.Disconnect both wires from the black leads on the motor to be checked.

4.Press and hold the appropriate dispense switch and, with a voltmeter, check the voltage across the disconnected harness. Connect the dispenser to the power source. The reading must be:

a)120 volts ac for two wire 120 volt models, three wire 120/208 volt and 120/240 volt models.

b)240 volts ac for two wire 240 volt models.

c)230 volts ac for two wire 230 volt models.

5.Disconnect the dispenser from the power source.

If voltage is present as described, replace the motor. If voltage is not present as described, refer to the Wiring Diagrams and check the dispenser wiring harness

 

 

 

 

 

 

11

12

13

 

 

 

 

 

 

 

 

 

1

2

10

 

 

 

 

 

 

 

 

 

9

8

7

6

5

4

3

 

 

 

FIG. 25 MIXING/WHIPPER CHAMBER

P1630.35

 

COMPONENTS

 

 

 

 

 

1.

Steam Collector

8.

Receptacle w/Seal

2.

Mixing Chamber

9.

Slinger

3.

Dispense Tip

10.

Motor Assy.

4.

Whipper Chamber

11.

Fan

5.

O-Ring

12.

Vacuum Hose

6.

Frother

13.

Baffle

7.Nut

Removal, Cleaning & Replacement (Refer to Fig. 25):

1.Disconnect the dispenser from power.

2.Open the dispenser door and turn elbows up.

3.Remove the steam collectors (1) by pulling forward and at the same time twisting clockwise.

4.Pull the mixing chamber (2) out of the whipper chamber (4).

5.Remove dispense tip (3) and twist the whipper chamber (4) clockwise and pull it off the whipper chamber receptacle (8).

33

42672 122209

 

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Contents Phone 217 529-6601 FAX 217 FMD SeriesExcluding regular maintenance items BUNN-O-MATIC Commercial Product WarrantyIntroduction Cleaning Required Regular Maintenance Problem Probable Cause Product will not dispense ProblemLevel Control Board and Probe FMD-1 RemedyProblem Probable Cause Remedy Troubleshooting Install a regulator if necessary to Product overflows container Dispense SwitchExcess dust Fan Refer to Service Procedures. See42672 20,23 Component AccessAccess Panels SERVICEcontService Auger Drive Components all Models Test Procedures Auger MotorLocation Auger Drive Components ServiceSpacer Auger Motor Hopper Base Dust Seal Washer Retainer Clip Panel RED to Control BoardRinse and dry each item thoroughly Remove auger drive shaft bushing from hopperBushing Panel Auger Drive Shaft Locknut Auger Motor BracketAuxillary Control Board FMD DBC-3 only Disconnect the dispenser from the power source Service Auxillary Control BoardBallast all Models ServiceControl Board Test Procedure Power SupplyHopper Motor Control Circuitry Check that the RINSE/RUN switch is in the Rinse positionConnectors on the control board Using four #6-32 keps nutsControl Board Control board to the component bracketControl Board Check that the rinse/run switch is in the run posi- tion Control Board Connectors Remove temperature probe from the tank LocationRemove bulb from the tank Control Thermostat BLK to MainWHI to Main Open the dispenser door and remove the bottom door cover If voltage is present as described, proceed to #6If voltage is present as described, proceed to #7 Digital Touch Control Switch FMD DBC-2,DBC-3 FMD DBC-3FMD DBC-2FD Connectors Digital Touch Control SwitchEMI Filter EMI Filter 230 Volt FMD DBC-3Test Procedures Disconnect the black and white wires from the fan terminalsVacuum FAN all Models Frother and Whipper Motor Frother and Whipper Motor all Models except -2FDWill seat inside the whipper chamber Frother and Whipper MotorHopper Drive Board Hopper Drive Board FMD-1 onlyHopper Drive Board Terminals Disconnect the wires from the switch terminals HOT/COLD Switch Optional for FMD DBC-3Terminals Door Assy Upper Panel Lamp Holders Lower Panel Lamp Holder all ModelsLamp Starter and Socket Level Control Board and Level Probe FMD-1 only Reconnect the violet wire to terminalLevel Board Terminals Limit Thermostat Limit Thermostat all ModelsOverflow Protection Switch RINSE/RUN Switch Rinse /RUN Switch all ModelsCold Water Solenoid Terminals Solenoid Valve Cold Water Optional for FMD-2,-3,-4,-5Dispense Solenoid Valves P1637.40 Location Solenoid Valves Dispense all ModelsSolenoid Valve HOT Water Dispense Solenoid Valve FMD-2FD,DBC-2FD,-3,DBC-3Inlet Solenoid Valve Solenoid Valve Inlet all ModelsTank Heater all Models WHI or RED to Main BLK to Limit Wiring HarnessBRN/BLK from WHI from Main Harness Tank Heater Relay FMD-4,-5,120V Dispensers onlyTank Heater Switch Tank Heater Switch all ModelsDisconnected from the main wiring harness Transformer all ModelsRemove and discard the transformer Q2 & MOV3 Controls Center Whipper Motor Q1 & MOV1 Controls Left Whipper MotorQ5 & MOV4 Controls Right Whipper Motor Q7 & MOV2 Controls Refill ValveBLK Schematic Wiring Diagram FMD-1WHI-16 Schematic Wiring Diagram FMD-1ASchematic Wiring Diagram FMD-2 Schematic Wiring Diagram FMD-2A Schematic Wiring Diagram FMD DBC-2 Freeze Dried W/HOT Water Schematic Wiring Diagram FMD-2FD 42672 42672 42672 42672 Schematic Wiring Diagram FMD DBC-3 With HOT Water Dispense Schematic Wiring Diagram Fmda DBC-3 With HOT Water Dispense 42672 42672 42672 42672 Schematic Wiring Diagram FMD-5A
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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.
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