Bunn FMD-1 FMD-2 service manual Schematic Wiring Diagram FMD-1, Blu Whi

Page 40

SCHEMATIC WIRING DIAGRAM FMD-1

L1

HEATER

CONTROL

SWITCH

THERMOSTAT

BLK-16

 

 

 

BLK-16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

BLK

RUN/RINSE

SWITCH

RED

RED

WHI/RED

 

 

DISPENSE

 

WHIPPER

RED

SOL

WHI

RED

 

 

M

WHI

RED

BLK

BLK

BLK

FLUORESCENT

BLK BLU

 

LAMP

 

 

 

BLU

WHI BLK RED

 

 

BALLAST

 

 

 

 

 

 

GRN

CHASSIS

 

 

 

 

1

BLK RED

 

 

 

 

 

 

 

BLU

WHI

 

 

 

 

 

 

 

 

 

GRN

 

 

 

 

 

 

LIMIT

 

 

 

 

 

 

 

 

 

 

 

L2 N

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THERMOSTAT

 

TANK HEATER

 

RED-16 (3-WIRE MODELS)

BLK-16

 

 

 

 

 

BLK-16

 

 

WHI-16 (2-WIRE MODELS)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FAN

WHI

 

 

 

 

 

 

 

 

HOPPER SPEED ADJUST

 

 

 

TANK INLET

 

 

1

VIO

SOL

WHI

 

 

 

 

LIQUID

 

 

 

 

BLK

 

GRN

 

 

RED

2

 

 

BLK

LEVEL

 

 

WHI

4

 

 

 

 

 

 

BOARD

3

PNK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRN

 

 

 

 

J1

1

2

3

WHI

 

 

PROBE

 

 

 

 

 

 

 

 

 

 

 

 

HOPPER

 

 

 

GRN

 

 

DRIVE

 

 

 

 

 

 

 

PCB

 

 

 

 

 

 

 

HOPPER

 

 

 

 

 

RED

 

M

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI

DISPENSE SWITCH

RED BLK

4

1

DOOR

BLUWHI

120 VOLTS A C - 2 WIRE

120/208-240 VOLTS AC - 3WIRE

SINGLE PHASE

29096.0000C 8/98 © 1998 BUNN-O-MATIC CORPORATION

BLU

 

WHI

BLU

RED

BLK

 

BLK

STARTER

 

BLK

 

RED

BLK

 

 

WHI

40

29112 101598

 

Image 40
Contents FMD-1 FMD-2 Warranty IntroductionUser Notices FMD-1 FMD-2FMD-1 only 00656.000028368.0001 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 panelTo the rear of the auger motor mounting panel Auger Drive Components FMD-1Auger Drive Components FMD-2 Hopper Hopper Assy Bushing Panel Auger Drive Shaft Auger Drive Components FMD-2Hopper Dust Seal Remove dust seal 17 from auger motor Disconnect the wires from the auger motor 16 to be removedRemove 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 LocationWHI/RED to RINSE/RUN Switch FMD-2BLK 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 Tank Heater Switch 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.