Bunn FMD-2 service manual Schematic Wiring Diagram FMD-1, Single Phase

Page 39

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

 

 

 

1

 

 

 

DOOR

WHI

 

 

 

BLU

120 VOLTS A C - 2 WIRE

120/208-240 VOLTS AC - 3WIRE

SINGLE PHASE

 

 

 

 

 

 

 

 

 

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

 

 

 

2

 

 

BLK

RED

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

BLU

 

WHI

BLU

RED

BLK

 

BLK

STARTER

 

BLK

 

RED

BLK

 

 

WHI

39

29112 101598

 

Image 39
Contents BUNNFMD-1 FMD-2 FMD-1 FMD-2 WarrantyIntroduction User Notices00656.0000 FMD-1 only28368.0001 Plumbing Requirements Initial SET-UPElectrical Requirements Electrical HOOK-UPRunning a Rinse Sequence Rinse Timer FMD-2 onlyInitial Fill & Heat Liquid Level ControlCold Beverage SET-UP Optional FMD-2 only CleaningAdjustments Hopper Motor Speed Adjustment FMD-1Draining the HOT Water Tank Probable Cause TroubleshootingProblem Product will not dispenseProbable Cause Remedy See Problem Probable CauseStat for testing procedures. See FMD-1Problem Probable Cause Remedy Dispenser is making unusual Refer to Service Lamp, see page 28 for lamp replacementAuger Drive Components FMD-1 ServiceComponent Access ContentsRetainer Clip Ing panel Retainer Clip Hopper AssemblyHopper Lid Spacer Auger Motor Hopper Base Dust Seal WasherAuger Drive Components FMD-1 To the rear of the auger motor mounting panelAuger Drive Components FMD-2 Hopper Hopper Assy Disconnect the wires from the auger motor 16 to be removed Remove dust seal 17 from auger motorRemove auger motor and discard Location Ballast FMD-1 & FMD-2Thermostat Terminals Control Board FMD-2 onlyService Dispense Switch Dispense Switchs FMD-1 & FMD-2 FAN FMD-1 & FMD-2 Dispense Switch Terminals P1449FMD-2 Whipper Motor Terminals P1221 Frother and Whipper Motor FMD-1 shown & FMD-2Hopper Drive Board Hopper Drive Board FMD-1 onlyHopper Drive Board Terminals Hopper Drive Board FMD-1 onlyDoor Assy Upper Panel Lamp Holders Lower Panel Lamp Replacement Refer to FigLevel Control Board and Level Probe FMD-1 only Lamp Replacement Refer toAs assembly Lamp Starter and Socket Refer to LocationLevel Control Board and Level Probe FMD-1 only Reconnect the violet wire to terminalLocation RINSE/RUN Switch FMD-1RINSE/RUN Switch FMD-2 WHI/RED toBLK from Main Harness WHI/BRN to YEL to Control Board J2-3 Cold Water Solenoid Valve Solenoid Valve Cold Water OPTIONALFMD-2 onlyFMD-1 Solenoid Valve Dispense FMD-1 & FMD-2 Tank Heater Solenoid Valve Inlet FMD-1 & FMD-2Main Harness Thermostat Tank Heater FMD-1 shown & FMD-2WHI/GRN T7 WHI/BLK T12 Transformer FMD-2 onlySingle Phase Schematic Wiring Diagram FMD-1Schematic Wiring Diagram FMD-2
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FMD-2, FMD-1 specifications

The Bunn FMD-2 is an advanced coffee dispensing machine designed for high-traffic environments, such as cafés, restaurants, and convenience stores. This commercial coffee equipment stands out for its reliability, efficiency, and user-friendly features, making it a preferred choice among coffee retailers.

A standout feature of the FMD-2 is its dual coffee bean hopper system, which allows for the storage and dispensing of two different coffee blends simultaneously. This versatility provides establishments the opportunity to cater to varying customer preferences, whether they prefer a robust espresso or a smooth medium roast. The hoppers can hold a significant amount of coffee beans, ensuring that the machine can keep up with high demand without the need for frequent refilling.

The FMD-2 incorporates state-of-the-art brewing technology, including the ability to brew coffee quickly while preserving the essential flavor characteristics of the beans. Its precision brewing process ensures consistency in taste and quality, which is crucial for customer satisfaction in a commercial setting. The machine is equipped with adjustable brew times and temperatures, allowing operators to fine-tune the brewing process according to specific coffee styles or customer preferences.

Another notable characteristic of the Bunn FMD-2 is its digital interface, which features an intuitive touchscreen display. This modern interface simplifies the operation of the machine, enabling baristas and staff to quickly train and adapt to its functionalities. The display provides real-time feedback on brewing status, maintenance reminders, and settings adjustments, making it easier to ensure optimal performance and reduce downtime.

In addition to its user-friendly design, the Bunn FMD-2 is constructed for durability. Its stainless steel exterior not only enhances its aesthetic appeal but also ensures that it can withstand the rigors of daily use in a bustling environment. The machine is designed with easy maintenance in mind, allowing for straightforward cleaning and servicing to keep it operating at peak performance.

Overall, the Bunn FMD-2 is a versatile, reliable, and innovative coffee dispensing solution that meets the demands of today’s coffee enthusiasts. With its dual hopper system, precision brewing technology, and user-friendly interface, it’s an ideal choice for any establishment looking to elevate their coffee offerings and enhance customer experience.