Bunn FMD-1 service manual Schematic Wiring Diagram FMD-2

Page 40

SCHEMATIC WIRING DIAGRAM FMD-2

 

 

 

L1

 

 

 

 

 

 

 

 

GRN

 

 

 

 

L2

N

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TANK HEATER

 

CONTROL

 

 

 

LIMIT

 

 

 

 

 

 

 

 

 

 

SWITCH

 

THERMOSTAT

 

 

 

THERMOSTAT

TANK HEATER

 

RED-16 (3-WIRE MODELS)

 

 

 

 

BLK-16

BLK-16

 

BLK-16

 

BLK-16

 

BLK-16

 

 

 

 

 

 

 

 

 

WHI-16 (2-WIRE MODELS)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

BLK

FAN

WHI

 

 

 

 

 

 

 

 

WHI

 

 

 

 

 

 

 

WHI

 

J4-1

WHI

 

 

 

 

 

WHI

 

 

 

 

 

 

 

 

 

VIO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TANK INLET

 

 

 

WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

VIO

 

WHI

 

J4-4

BLK

 

 

 

 

 

 

 

WHI/BLK

4

WHI/BLK

 

 

 

SOL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/GRN

 

WHI/GRN

 

120V : 24V AC

 

 

 

 

 

 

 

 

 

 

 

 

WHI

 

WHI

 

TRANSFORMER

 

 

C

 

 

 

 

 

 

 

 

 

BLK

 

BLK

WHI/BLK

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

N

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/GRN

 

 

 

T

J3-1

WHI/ORN

 

 

 

 

 

 

 

 

 

 

 

 

WHI

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

O

 

WHI/RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRN

 

L

 

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P.

 

WHI/GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J3-6

WHI/BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J2-1

BRN/BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

GRY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI

 

 

 

 

 

 

 

 

 

 

 

WHI

O

 

YEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

 

WHI/ORN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

J2-5

WHI/YEL

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D

RED/BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/RED

 

 

 

 

 

 

 

 

 

 

RINSE/PROGRAM/

 

 

 

 

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRN

 

 

 

 

 

GRY

RUN SWITCH

 

 

 

 

 

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PNK

 

 

 

 

 

 

 

 

 

 

 

RUN

 

GRN

 

 

 

J2-10

 

 

FLUORESCENT

 

 

 

 

 

 

 

PGM

 

 

 

 

 

BLK

BLK

I

D

INCREASE/

 

 

 

 

 

 

 

 

 

 

 

YEL

 

 

 

 

 

 

 

LAMP

 

 

 

 

 

 

 

 

 

 

GRN

 

 

 

N

E

DECREASE

 

 

RINSE

 

 

 

 

 

 

 

 

BALLAST

C

C

 

WHI/BRN

 

 

 

 

 

 

 

 

 

SWITCH

 

RUN

 

 

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

BRN/BLK

 

 

 

 

WHI/BRN

PGM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLU

 

 

 

 

RINSE

 

 

 

 

 

 

PROBE

 

 

 

RED/BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RIGHT DISPENSE

RIGHT WHIPPER

 

 

 

RIGHT HOPPER

 

 

 

 

 

 

ORN

SOL

WHI

ORN

M

 

WHI

 

WHI/ORN

 

RED

M

BLK

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LEFT DISPENSE

LEFT WHIPPER

 

 

 

LEFT HOPPER

 

 

 

 

 

 

TAN

SOL

WHI

RED

M

 

WHI

 

WHI/RED

RED

M

BLK

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ORN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED1

COLD DRINK OPTION (LEFT ONLY)

 

 

 

 

 

 

 

 

 

 

 

 

 

BLU

 

 

WHI

RED

 

 

 

 

 

 

 

 

 

 

 

RED

BLU

 

SOL

JUMPER PLUG MUST BE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TAN

 

 

 

 

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

USED WHEN COLD

 

 

 

 

 

 

 

 

 

WHI

WHI

 

 

 

RED

DRINK FEATURE NOT

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

INSTALLED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRN

WHI/YEL

1

WHI/ORN GRN WHI/RED

4

BLU WHI

1

ORN WHI/BRN RED

4

G

CHASSIS

 

120/208-240 VOLTS AC - 3 WIRE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

120 VOLTS AC - 2 WIRE

GRY

1

 

 

 

 

1

 

 

 

R

 

 

 

SINGLE PHASE, 60 HZ

 

 

 

 

 

 

 

 

N

 

 

 

 

1

 

 

BLK/WHI ORN BLU/WHI

 

 

RED/WHI BLK RED

 

 

 

 

 

 

 

 

GRN/BLK

 

 

 

BLU WHI

 

 

 

DOOR

 

 

 

 

 

 

WHI/BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PNK

 

 

 

 

 

 

 

 

 

 

WHI

BLU

 

WHI

 

 

"RINSE" L.E.D.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLU

BLU

RED

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

STARTER

 

 

 

ORN

 

BLU/WHI

ORN

BLK/WHI

 

 

 

 

 

RED

BLK

 

 

 

BLK

 

RED

 

BLK

RED/WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI

 

 

 

LEFT DISPENSE SWITCH

RIGHT DISPENSE SWITCH

 

 

 

 

 

 

 

 

 

40

29112 101598

 

Image 40
Contents BUNNFMD-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 onlyDraining the HOT Water Tank Troubleshooting ProblemProduct will not dispense Probable CauseProbable Cause Remedy Problem Probable Cause Stat for testing procedures. SeeFMD-1 SeeProblem Probable Cause Remedy Refer to Service Lamp, see page 28 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 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 Main Harness ThermostatTransformer FMD-2 only WHI/GRN T7 WHI/BLK T12Schematic Wiring Diagram FMD-1 Single PhaseSchematic Wiring Diagram FMD-2
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Manual 8 pages 61.25 Kb

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.