Bunn FMD-1 service manual FMD-2

Page 24

SERVICE (cont.)

4. Disconnect the dispenser from the power source.

FROTHER AND WHIPPER MOTOR - FMD-1 (shown)

If voltage is present as described, replace the motor.

& FMD-2

 

 

If voltage is not present as described, refer to the wir-

 

 

ing diagrams and check the dispenser wiring harness.

 

 

 

 

 

 

13

 

 

 

 

 

 

 

 

 

8

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

4

 

 

 

11

12

 

 

 

3

 

 

 

 

10

9

7

6

 

 

 

 

5

 

 

 

 

FIG. 18 MIXING/WHIPPER CHAMBER P1619

 

 

 

 

COMPONENTS

 

 

FIG. 17 FROTHER AND WHIPPER MOTOR P1665

1.

Steam Collector

 

8.

Nut

 

Location:

2.

Mixing Chamber

 

9.

Slinger

3.

Dispense Tip

 

10.

Motor Assy.

 

The frother(s) is (are) located behind the dis-

4.

Whipper Chamber

 

11.

Fan

 

penser door, mounted on the front panel inside the

5.

O-Ring

 

12.

Vacuum Hose

whipper chamber.

6.

Frother

 

13.

Baffle

 

 

The whipper motor(s) is (are) located on the

7.

Receptacle w/Seal

 

 

 

 

 

 

 

 

 

 

 

 

back side of the whipper motor mounting panel.

Removal, Cleaning and Replacement (Refer to Fig.

Test Procedure:

18):

 

 

 

 

 

1.

Open the dispenser door and raise the top front

1. Disconnect the dispenser from the power source.

 

cover.

 

 

 

 

2.

Disconnect the red and white wires (FMD-1 &

2.

Lift the front edge of the each hopper assembly

 

FMD-2 left motor) or orange and white wires

 

over the tab on the hopper support panel and

 

(FMD-2 right motor) of the main harness from the

 

slide each hopper assembly out the front of the

 

black leads of the motor.

 

dispenser. Set aside for reassembly.

3.

Press and hold the dispense switch and check the

3.

Remove the four #8-32 screws securing the hop-

 

voltage across the disconnected harness wires

 

per support panel to auger motor mounting

 

with a voltmeter. Connect the dispenser to the

 

panel and the whipper motor mounting panel.

 

power source. The reading must be:

 

Set aside for reassembly.

 

 

 

a) 120 volts ac for two wire 120 volt models.

4.

Disconnect vacuum hose (12) from fan baffle

 

b) 120 volts ac for three wire 120/208 volt or 120/

 

(13).

 

 

 

 

 

240 volt models.

24

 

 

 

 

 

29112 101598

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Page 23 Page 25
Image 24
Page 23 Page 25
Contents BUNNFMD-1 FMD-2 Warranty IntroductionUser Notices FMD-1 FMD-200656.0000 FMD-1 only28368.0001 Initial SET-UP Electrical RequirementsElectrical HOOK-UP Plumbing RequirementsRinse Timer FMD-2 only Initial Fill & HeatLiquid Level Control Running a Rinse SequenceCleaning AdjustmentsHopper Motor Speed Adjustment FMD-1 Cold Beverage SET-UP Optional FMD-2 onlyDraining the HOT Water Tank Troubleshooting ProblemProduct will not dispense Probable CauseProbable Cause Remedy Problem Probable Cause Stat for testing procedures. SeeFMD-1 SeeProblem Probable Cause Remedy Refer to Service Lamp, see page 28 for lamp replacement Dispenser is making unusualService Component AccessContents Auger Drive Components FMD-1Retainer Clip Hopper Assembly Hopper LidSpacer Auger Motor Hopper Base Dust Seal Washer Retainer Clip Ing panelAuger Drive Components FMD-1 To the rear of the auger motor mounting panelAuger Drive Components FMD-2 Hopper Hopper Assy Disconnect the wires from the auger motor 16 to be removed Remove dust seal 17 from auger motorRemove auger motor and discard Ballast FMD-1 & FMD-2 LocationControl Board FMD-2 only Thermostat TerminalsService Dispense Switch Dispense Switchs FMD-1 & FMD-2 Dispense Switch Terminals P1449 FAN FMD-1 & FMD-2FMD-2 Frother and Whipper Motor FMD-1 shown & FMD-2 Whipper Motor Terminals P1221Hopper Drive Board FMD-1 only Hopper Drive BoardHopper Drive Board FMD-1 only Hopper Drive Board TerminalsLamp Replacement Refer to Fig Door Assy Upper Panel Lamp Holders Lower PanelLamp Replacement Refer to As assemblyLamp Starter and Socket Refer to Location Level Control Board and Level Probe FMD-1 onlyReconnect the violet wire to terminal Level Control Board and Level Probe FMD-1 onlyRINSE/RUN Switch FMD-1 LocationRINSE/RUN Switch FMD-2 WHI/RED toBLK from Main Harness WHI/BRN to YEL to Control Board J2-3 Solenoid Valve Cold Water OPTIONALFMD-2 only Cold Water Solenoid ValveFMD-1 Solenoid Valve Dispense FMD-1 & FMD-2 Solenoid Valve Inlet FMD-1 & FMD-2 Tank HeaterTank Heater FMD-1 shown & FMD-2 Main Harness ThermostatTransformer FMD-2 only WHI/GRN T7 WHI/BLK T12Schematic Wiring Diagram FMD-1 Single PhaseSchematic Wiring Diagram FMD-2
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FMD-2, FMD-1 specifications

The Bunn FMD-2 is an advanced coffee dispensing machine designed for high-traffic environments, such as cafés, restaurants, and convenience stores. This commercial coffee equipment stands out for its reliability, efficiency, and user-friendly features, making it a preferred choice among coffee retailers.

A standout feature of the FMD-2 is its dual coffee bean hopper system, which allows for the storage and dispensing of two different coffee blends simultaneously. This versatility provides establishments the opportunity to cater to varying customer preferences, whether they prefer a robust espresso or a smooth medium roast. The hoppers can hold a significant amount of coffee beans, ensuring that the machine can keep up with high demand without the need for frequent refilling.

The FMD-2 incorporates state-of-the-art brewing technology, including the ability to brew coffee quickly while preserving the essential flavor characteristics of the beans. Its precision brewing process ensures consistency in taste and quality, which is crucial for customer satisfaction in a commercial setting. The machine is equipped with adjustable brew times and temperatures, allowing operators to fine-tune the brewing process according to specific coffee styles or customer preferences.

Another notable characteristic of the Bunn FMD-2 is its digital interface, which features an intuitive touchscreen display. This modern interface simplifies the operation of the machine, enabling baristas and staff to quickly train and adapt to its functionalities. The display provides real-time feedback on brewing status, maintenance reminders, and settings adjustments, making it easier to ensure optimal performance and reduce downtime.

In addition to its user-friendly design, the Bunn FMD-2 is constructed for durability. Its stainless steel exterior not only enhances its aesthetic appeal but also ensures that it can withstand the rigors of daily use in a bustling environment. The machine is designed with easy maintenance in mind, allowing for straightforward cleaning and servicing to keep it operating at peak performance.

Overall, the Bunn FMD-2 is a versatile, reliable, and innovative coffee dispensing solution that meets the demands of today’s coffee enthusiasts. With its dual hopper system, precision brewing technology, and user-friendly interface, it’s an ideal choice for any establishment looking to elevate their coffee offerings and enhance customer experience.
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