Bunn FMD-1 FMD-2 Frother and Whipper Motor FMD-1 shown & FMD-2, Whipper Motor Terminals P1221

Page 26

SERVICE (cont.)

FROTHER AND WHIPPER MOTOR - FMD-1 (shown) & FMD-2 (cont.)

5.Remove the steam collector (1) by pulling it for- ward and at the same time twisting it clockwise.

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

7.Remove the two #4-40 x .25" screws securing the fan baffle (13) to the whipper motor mounting panel and remove fan baffle. Set aside for reas- sembly.

8.Remove dispense tip (3) and twist the whipper chamber (4) clockwise and pull it off the whipper chamber receptacle (7).

9.Pull the frother (6) off the motor shaft. Notice the flat side on the shaft and the matching flat inside the frother. It is important that these two flats are lined up when reassembling.

10.Slip the O-ring (5) off the whipper chamber recep- tacle (7).

11.Slide the receptacle w/seal off of the motor shaft.

12.Slide the slinger (9) off of the motor shaft.

13.Remove the two nuts (8) securing whipper cham- ber receptacle (7) and whipper motor (10) to the

front panel.

NOTE: To remove the receptacle only rotate clockwise until the receptacle clears the nuts (8) and slide off of the motor shaft.

14.Disconnect the black leads on the motor (10) from the main wiring harness.

15.Remove motor and discard.

16.Install new motor (10) on rear of front panel and secure with two nuts (8) and connect black leads on the motor to the main wiring harness. Refer to Fig. 20 when reconnecting wires

17.Slide slinger (9) onto the motor shaft flush against the front panel.

18.Wash remaining components in a mild solution of dish detergent using a bristle brush.

19.Rinse thoroughly and allow to dry before reinstall- ing in the dispenser.

20.Slide whipper chamber receptacle w/seal (7) and O-ring (5) on to the motor shaft.

21.Rotate the receptacle w/seal (7) counterclockwise until it snaps into place on the motor mounting nuts (8).

22.Push frother (6) onto the motor shaft, making sure the flat in the frother (6) lines up with the flat on the motor shaft.

23.Install whipper chamber (4) on the whipper cham- ber receptacle (7) by twisting counterclockwise until the tabs on the whipper chamber (4) lock with the tabs on the whipper chamber receptacle (7). Be sure dispense port is pointing down.

24.Install dispense tip (3) into the bottom of the whipper chamber (4).

25.Using two #4-40 screws secure the fan baffle to the whipper motor mounting panel.

26.Install vacuum hose (12) on fan baffle (13).

27.Install hopper support panel using four #8-32 screws.

28.Slip the mixing chamber (2) onto the mixing chamber water inlet tube far enough so the mixing chamber (2) will seat inside the whipper chamber

(4).

29.Install the steam collector (1) onto the mixing chamber (2) by pushing down and toward the dispenser while twisting until the flange on the steam collector lines-up with the slot in the front panel.

30.Install hopper assembly in the dispenser by sliding hopper assembly on the hopper support panel until the slot in the bottom rear of the hopper seats against the shoulder screw in the hopper support panel.

BLK to Main Harness RED

BLK to Main Harness WHI

FMD-1

BLK to Main Harness ORN

BLK to Main Harness WHI

BLK to Main Harness Red

BLK to Main Harness WHI

LEFTRIGHT

FMD-2

FIG.20 WHIPPER MOTOR TERMINALS P1221

26

29112 101598

 

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Contents FMD-1 FMD-2 User Notices WarrantyIntroduction FMD-1 FMD-228368.0001 00656.0000FMD-1 only Electrical HOOK-UP Initial SET-UPElectrical Requirements Plumbing RequirementsLiquid Level Control Rinse Timer FMD-2 onlyInitial Fill & Heat Running a Rinse SequenceHopper Motor Speed Adjustment FMD-1 CleaningAdjustments Cold Beverage SET-UP Optional FMD-2 onlyHopper Motor Speed Programing FMD-2 Draining the HOT Water TankProduct will not dispense TroubleshootingProblem Probable CauseProbable Cause Remedy Problem Probable Cause Problem Probable Cause Remedy Refer to Service Lamp, see page 29 for lamp replacement Dispenser is making unusualContents ServiceComponent Access Auger Drive Components FMD-1Spacer Auger Motor Hopper Base Dust Seal Washer Retainer Clip Hopper AssemblyHopper Lid Retainer Clip Ing panelAuger Drive Components FMD-2 Auger Drive Components FMD-1To the rear of the auger motor mounting panel Hopper Hopper Assy Hopper Dust Seal Auger Drive Components FMD-2Bushing Panel Auger Drive Shaft Remove auger motor and discard Disconnect the wires from the auger motor 16 to be removedRemove dust seal 17 from auger motor 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 Starter and Socket Refer to Location Lamp Replacement Refer toAs assembly 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 LocationBLK from Main Harness WHI/BRN to YEL to Control Board J2-3 RINSE/RUN Switch FMD-2WHI/RED to 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 HeaterMain Harness Thermostat Tank Heater Switch FMD-1 shown & FMD-2Tank Heater FMD-1 shown & FMD-2 Transformer FMD-2 only WHI/GRN T7 WHI/BLK T12Schematic Wiring Diagram FMD-1 BLU WHISchematic Wiring Diagram FMD-2

FMD-1 FMD-2 specifications

The Bunn FMD-1 and FMD-2 models represent a significant advancement in the realm of coffee brewing equipment, catering to the demands of both commercial establishments and serious coffee enthusiasts. These machines are designed to efficiently brew high-quality coffee while minimizing operational complexity.

The Bunn FMD-1 is a single brewer, while the FMD-2 features dual brewing capabilities. This distinction allows the FMD-2 to meet higher coffee volume demands, making it an ideal choice for bustling cafes or restaurants where efficiency is paramount. Both models are engineered with a robust stainless steel construction, ensuring durability and longevity in high-traffic environments.

One standout feature of both models is the infusion technology. This proprietary system enhances the extraction process, allowing for optimal flavor development. The machines utilize a programmable brewing timeline, which provides users with a high level of control over the brewing variables such as time and temperature. This leads to a customizable brewing experience tailored to specific coffee blends or personal taste preferences.

Additionally, these brewers are equipped with an integrated hot water faucet, offering convenience for making tea, hot chocolate, or even instant soup. This multifunctionality improves workflow in busy kitchens, as it eliminates the need for separate hot water dispensers.

The FMD series is also designed with user-friendly interfaces. The digital display provides clear, intuitive information about the brewing process, including brew progress and maintenance alerts. This makes it easy for operators to monitor and manage the machine, ensuring consistency and quality in every cup.

Moreover, both models are designed for quick and efficient cleaning. The removable brewing components facilitate maintenance, which is crucial in a commercial setting where hygiene and equipment uptime are critical.

In terms of capacity, the FMD-1 brews up to 3.8 gallons per hour, while the FMD-2 can produce an impressive 7.5 gallons per hour, demonstrating their suitability for high-volume service.

Overall, the Bunn FMD-1 and FMD-2 models embody the perfect blend of technology, efficiency, and user-centric design, making them a valuable addition to any coffee service operation. Their ability to deliver consistent, high-quality coffee with ease is sure to enhance the customer experience and streamline operations simultaneously.
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