Bunn FMD-1 FMD-2 service manual FAN FMD-1 & FMD-2, Dispense Switch Terminals P1449

Page 24

SERVICE (cont.)

DISPENSE SWITCH(S) - FMD-1 & FMD-2 (cont.)

BLK

 

RED

 

 

FMD-1

BLK

 

RED/WHI

BLK

 

RED

 

 

RIGHT

 

ORN

 

BLK/WHI

ORN

LEFT

FMD-2

BLU/WHI

FIG. 15 DISPENSE SWITCH TERMINALS P1449

FAN - FMD-1 & FMD-2

P1665

FIG. 16 FAN

Location:

The fan is located inside the dispenser hous- ing on the right rear of the dispenser base plate.

Test Procedures:

1.Disconnect the dispenser from the power source.

2.Disconnect the black and white wires from the fan terminals.

3.Check the voltage across the black and white wires on the main harness with a voltmeter. Connect the dispenser to the power source. The indication must be:

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

b)120 volts ac for three wire 120/208 volt or 120/ 240 volt models.

If voltage is present as described, replace the fan

If voltage is not present as described, refer to wiring diagram and check the dispenser wiring harness.

Removal and Replacement:

1.Disconnect the vacuum hose from the fan.

2.Remove the two #8-32 locking screws securing the fan to the dispenser housing base plate.

3.Disconnect the wires from the fan terminals and discard the fan

4.Refer to Fig. 17 and connect the wires to the new fan.

5.Install new fan through the rear access hole and secure to the dispenser housing base plate using two #8-32 locking screws.

6.Reconnect the vacuum hose to the fan.

 

BLK from Control Harness

 

WHI from Control Harness

 

P1507

 

FIG. 17 FAN TERMINALS

24

29112 101598

 

Image 24
Contents FMD-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 onlyHopper Motor Speed Programing FMD-2 Draining the HOT Water TankTroubleshooting ProblemProduct will not dispense Probable CauseProbable Cause Remedy Problem Probable Cause Problem Probable Cause Remedy Refer to Service Lamp, see page 29 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 Auger Drive Components FMD-2 Bushing Panel Auger Drive ShaftHopper Dust Seal 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 Switch FMD-1 shown & FMD-2 Tank Heater FMD-1 shown & FMD-2Main Harness Thermostat 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.