SERVICE (cont.)

BALLAST - FMD-1 & FMD-2 (cont.)

Location

FMD-1

The front door lamp ballast is located behind the front access panel on the left front side of the com- ponent bracket.

FMD-2

The front door lamp ballast is located behind the front access panel on the left rear side of the com- ponent bracket.

Test Procedure

1.Disconnect the dispenser from the power source.

2.Disconnect the two black lead on the ballast from the main harness.

3.Check for continuity between the two black leads on the ballast.

If continuity is present as described the ballast is operating properly.

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

Removal and Replacement

FMD-1

1.Disconnect the wires from the ballast.

2.Remove the two #8-32 screws securing the bal- last to the component bracket.

3.Remove and discard ballast.

4.Using two #8-32 screws install new ballast on the component bracket.

5.Refer to the Fig. 9 when reconnecting the wires. FMD-2

1.Loosen the two #8-32 screws securing the com- ponent bracket to the dispenser housing base.

2.Pull component bracket out the front of the dis- penser far enough so the leads on the ballast can be disconnected from the main wiring harness and the door interconnect harness.

3.Remove the two #8-32 screws securing the ballast the rear of the component bracket.

4.Remove and discard ballast.

5.Install new ballast on the rear of the component bracket and secure with two #8-32 screws.

6.Refer to Fig. 9 and reconnect the wires.

7.Place the component bracket into position and

tighten the two #8-32 screws securing the compo- nent bracket to the dispenser housing base.

BLK to BLK

 

from Main

 

Wiring Harness

 

BLK to BLU from

 

Main Harness

 

FIG. 9 BALLAST TERMINALS

P1447

 

CONTROL THERMOSTAT - FMD-1 & FMD-2

 

FIG. 10 CONTROL THERMOSTAT

P1665

 

Location

 

The control thermostat is located under the front tank mounting bracket on the upper right side of the dispenser housing.

Test Procedure

1.Disconnect the dispenser from the power source.

2.Disconnect the black wire of the control thermo- stat from the black lead from the limit thermostat.

3.Remove bulb from the tank.

4.Check the voltage across black wire on the control thermostat and the white or red wire on the tank heater with the tank heater switch in the “ON” lower position with a voltmeter. Connect the dis- penser to the power source. The indication must be:

19

29112 101598

 

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Bunn FMD-1 FMD-2 service manual Ballast FMD-1 & FMD-2, Location
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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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