SERVICE (cont.)

HOPPER DRIVE BOARD - FMD-1 ONLY (cont.)

RED from Hopper

Motor

J1 Connector for

J1

Three Pin Plug from

Potentiometer

BLK from

Hopper Motor

RED/WHI from

Main Harness

WHI from Main

Harness

P1669

FIG. 22 HOPPER DRIVE BOARD TERMINALS

INCREASE/DECREASE SWITCH - FMD-2 ONLY

J1

12

J1

J2

J4

J3

P1666

FIG. 23 INCREASE/DECREASE SWITCH

Location:

The increase/decrease switch is located on the lower left front of the whipper motor mounting panel.

Test Procedure:

1.Disconnect the dispenser from the power source.

2.Disconnect the wires from the switch terminals.

3.Check for continuity between the center terminal and upper terminal with switch in the decrease position (lower). Check for continuity between the center terminal and the lower terminal with the switch in the increase position (upper).

If continuity is present as described, the switch is operating properly.

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

Removal and Replacement:

1.Open the dispenser door.

2.Remove the facenut securing the increase/de- crease switch to the whipper motor mounting panel.

3.Remove switch with wires attached from the back side of the whipper motor mounting panel.

4.Disconnect the wires from the switch and discard the switch.

5.Refer to Fig. 24 when connecting the wires to the new switch.

6.Install new switch with wires attached through the hole in the whipper mounting panel and secure with facenut.

RED/BLK from Control

Board J2-6

GRN from Control

Board J2-9

BRN/BLK from Control

Board J2-1

FIG. 24 INCREASE/DECREASE SWITCH

P1208

 

TERMINALS

 

28

29112 101598

 

Page 28
Image 28
Bunn FMD-1 FMD-2 service manual Hopper Drive Board FMD-1 only, Hopper Drive Board Terminals

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.