Bunn FMD-5 service manual Schematic Wiring Diagram FMD-4

Page 42

SCHEMATIC WIRING DIAGRAM FMD-4

L1

GRN

 

N

 

 

 

 

 

 

TANK HEATER

 

CONTROL

LIMIT

 

 

SWITCH

K

THERMOSTAT

THERMOSTAT

TANK HEATER

 

BLK-16

BLK-16

BLK-16

BLK-16

BLK-16

WHI-16

 

 

 

 

 

 

 

 

 

 

FAN

 

BLK

 

 

 

 

BLK

M

WHI

 

 

 

 

 

 

 

 

 

BLK

BLK LAMP #1 BLK

RED

RED

BLK LAMP #2 BLK

BLK BLK

 

 

 

WHI

BALLAST

 

 

BALLAST

 

 

WHI

J4-1

 

 

 

 

 

 

VIO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CWHI

O

J4-4

WHI/VIO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REFILL VALVE

 

N

 

 

 

 

 

 

 

 

 

 

 

 

WHI/BLK

 

BLK

VIO

 

 

 

WHI

T

 

 

 

 

OVERFLOW PROTECTION SWITCH

 

 

120V : 24V AC

 

 

SOL

 

R

 

 

 

BLK

 

 

 

 

RED

RED

 

 

WHI/VIO

LOAD

LINE

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/GRN

TRANSFORMER

WHI

 

 

 

 

WHI

L

 

WHI/ORN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

J3-1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RBRN/WHI

CGRN

UWHI/GRN

J3-5WHI/BLKI

T

 

 

B

 

WHI/VIO

O

J2-1

GRY

A

 

RWHI/GRY

D

 

WHI/RED

#

J2-5

TAN

RED/BLK

 

1WHI/BLK

WHI/ORN GRN

J2-10

PNK

 

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J1-1

 

I

D

INCREASE/

 

 

HOPPER #1

 

 

 

HOPPER #2

 

 

 

HOPPER #3

 

 

 

N

E

DECREASE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

C

BRN/WHI

RED

 

BLK

WHI/RED RED

 

BLK

WHI/ORN RED

 

BLK

WHI/YEL

 

 

WHI/VIO

 

SWITCH

M

M

M

J1-4

 

RED/BLK

 

 

 

 

GRN

 

 

 

 

GRN

 

 

 

 

GRN

 

 

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STATION #1

 

 

 

STATION #2

 

 

 

STATION #3

 

 

PROBE

 

 

 

 

 

WHIPPER

 

 

 

 

WHIPPER

 

 

 

WHIPPER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RINSE/PROGRAM/

 

BLK

M

BLK

 

BLK

 

M

BLK

 

BLK

 

M

BLK

 

 

 

 

 

RUN SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/GRY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RINSE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STATION #1

 

 

 

STATION #2

 

 

 

STATION #3

 

 

 

 

 

GRN

 

 

 

 

 

 

 

 

 

 

 

 

GRY

PGM

BRN

 

DISPENSE

 

 

 

DISPENSE

 

 

 

DISPENSE

 

 

 

 

 

RUN

 

VALVE

WHI

RED

 

 

VALVE

WHI

ORN

 

 

VALVE

WHI

YEL

 

 

BRN/BLK

 

 

 

 

 

 

 

RINSE

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

TAN

SOL

WHI

 

RED

 

SOL

WHI

 

ORN

 

SOL

WHI

 

 

 

BRN/BLK

PGM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RUN

 

 

 

WHI

RED

 

 

 

WHI

ORN

 

 

 

WHI

YEL

 

 

 

 

 

 

 

 

 

 

 

WHI

 

COLD DRINK OPTION (LEFT ONLY)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BRN

1

 

HOT/COLD SWITCH

WHI/YEL

 

 

 

 

 

 

 

 

 

 

 

 

 

RED

 

 

COLD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BRN

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TAN

TAN

 

HOT

 

SOL

 

 

 

 

 

WHI/BLK WHI/RED WHI/ORN WHI/YEL

 

 

 

 

BRN/BLK

 

 

 

WHI

WHI

 

 

 

 

 

TAN GRN

BLU/BLK

GRN

GRN

BRN

RED ORN

YEL

 

RED WHI RED

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

PNK

 

1

 

 

1

6

1

RED/BLK ORN/BLK

 

6

1

4

GRN

 

 

 

 

 

 

 

 

RED/WHI

 

 

 

BLK/WHI RED ORN GRN/WHI

WHI/RED

WHI/BLK

GRN/BLK

BLK

BLK/RED WHI BLU/RED

 

 

 

 

 

 

 

 

 

BLU/WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRY

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

"RINSE" #1-3 L.E.D.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PNK

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK/RED WHI

 

 

BLU/RED WHI

 

 

 

 

ORN/RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED/GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRY

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

"RINSE" #4 & 5 L.E.D.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLU RED

RED RED

RED BLU

BLU

RED

RED RED

RED BLU

 

1

 

 

 

2

 

 

3

 

 

 

 

4

WHI BLK

BLK BLK

BLK WHI

WHI

BLK

BLK BLK

BLK WHI

 

 

 

 

 

 

 

 

 

 

 

STARTER

 

 

 

STARTER

 

 

WHI/RED

BLK/WHI

 

 

WHI/RED

RED

WHI/RED

 

 

ORN

 

WHI/RED

 

GRN/WHI

 

 

 

 

 

BLK

WHI/BLK

 

 

BLK

RED/BLK

BLK

 

 

ORN/BLK

 

BLK

 

GRN/BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI

 

 

J4-1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BRN/BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

J4-4

O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N

 

 

 

 

 

K

 

 

 

 

 

 

 

 

 

 

 

 

T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J3-1

I

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

WHI/YEL

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

GRN

 

 

 

U

 

 

 

 

 

 

 

 

 

 

 

 

WHI/GRN

 

 

J3-5

I

 

 

 

 

 

 

 

 

 

 

 

 

WHI/BLK

 

 

T

 

 

 

 

 

 

 

 

 

 

 

 

WHI/VIO

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J2-1

O

 

 

 

 

 

 

 

 

 

 

 

 

GRY

 

 

 

A

 

 

 

 

 

 

 

 

 

 

 

 

WHI/GRY

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

GRN

 

 

 

D

 

 

 

 

 

 

 

 

 

 

 

 

BLU/BLK

 

 

J2-5

#

 

 

 

 

 

 

 

 

 

 

 

 

 

RED/BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/YEL

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/ORN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/BLK

 

 

J2-10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J1-1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/RED

 

 

J1-4

 

 

 

 

 

 

 

 

 

 

 

 

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HOPPER #4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED

M

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STATION #4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHIPPER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

M

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STATION #4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DISPENSE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VALVE

 

 

WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YEL

 

SOL

WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI

 

 

 

 

 

 

RED

JUMPER PLUG MUST BE

RED

USED WHEN COLD

DRINK FEATURE NOT

RED

INSTALLED

 

120 VOLTS AC - 2 WIRE SINGLE PHASE, 60HZ

34725.0000C 03/03 ©2002 BUNN-O-MATIC CORPORATION

42

35135 012103

 

Image 42
Contents Post Office BOX SPRINGFIELD, Illinois Phone 217 529-6601 FAX 217User Notices BUNN-O-MATIC Commercial Product WarrantyIntroduction FMD-400831.0000 28368.0000FMD-4 FMD-5 Electrical HOOK-UP Initial SET-UPElectrical Requirements Plumbing RequirementsRunning a Rinse Sequence Liquid Level Control Rinse TimersInitial Fill & Heat Dispenser USECold Beverage SET-UP Optional CleaningAdjustments Hopper Motor Speed ProgramingDraining the HOT Water Tank Product will not dispense TroubleshootingProblem Probable CauseProbable Cause Remedy Dripping from dispense tip Lime build-up Problem Probable CauseStat for testing procedures. See LeaksRefer to Operation Rinse Timer. See Product overflows container Dispense SwitchWeak product Water Temperature Tip with a thermometer. ReadingTroubleshooting Problem Contents ServiceComponent Access Auger Drive Components FMD-4Hopper Lid Spacer Auger Motor Hopper Base Dust Seal WasherRetainer Clip Panel Auger Drive Components FMD-4 To the rear of the auger motor mounting panelLocation Locknut Auger Drive Components FMD-4 & FMD-5Bushing Panel Auger Drive Shaft Hopper Dust SealRemove dust seal 17 from auger motor Refer to and reconnect the wires Ballasts FMD-4 & FMD-5Control Thermostat LocationControl Board Control BoardService Control Board Connectors Dispense Switchs FMD-4 & FMD-5 FMD-4FMD-5 Dispense Switches Dispense Switch TerminalsFAN FANFrother and Whipper Motor FMD-4 shown & FMD-5 ComponentsWhipper Motor Terminals INCREASE/DECREASE Switch INCREASE/DECREASE SwitchLamp Replacement Refer to Fig Lamp HoldersDoor Assy Upper Panel Lamp Holders Lower Panel Lamp Replacement Refer to Lamp Starter and Socket Refer to LocationLimit Thermostat Limit ThermostatRINSE/RUN Switch BLK from Main Harness BRN/BLK toBoard J2-3 HOT/COLD Switch Optional HOT/COLD SwitchSolenoid Valve Cold Water Optional Cold Water Solenoid ValveDispense Solenoid Valve Solenoid Valve Dispense FMD-4 & FMD-5 Dispense Solenoid Valve TerminalsSolenoid Valve Inlet Inlet Solenoid ValveTank Heater Main Harness ThermostatTank Heater Switch Tank Heater Relay 120V Dispensers only Pull component bracket out the front of the disIf the resistance measures as described, proceed to step WHI from BLK from Main Harness TransformerRemove and discard the transformer WHI/GRN fromSchematic Wiring Diagram FMD-4 Single PHASE, 60HZ Schematic Wiring Diagram FMD-5 Single PHASE, 60HZ
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FMD-4, FMD-5 specifications

The Bunn FMD-5 is a state-of-the-art coffee dispenser designed specifically for high-volume coffee brewing situations. This machine is ideal for restaurants, convenience stores, and other establishments that require an efficient and reliable coffee dispensing solution.

One of the primary features of the Bunn FMD-5 is its ability to brew and serve fresh, hot coffee with exceptional speed. The unit is capable of dispensing up to five gallons of coffee per hour, making it an ideal choice for busy environments where customer demand is high. The system utilizes a digital brewer control that allows for precise brewing temperatures and times, ensuring consistency in flavor and quality.

The FMD-5 also incorporates advanced technologies to streamline the brewing process. It features a programmable control panel that allows users to adjust settings based on their specific needs. This includes the ability to set brew cycles, control brew levels, and even program different brew strengths. The easy-to-read digital display shows real-time information, making it simple for operators to monitor the brewing process.

Another notable characteristic of the Bunn FMD-5 is its compact and space-saving design. Despite its robust brewing capacity, the unit is designed to fit easily in various retail and foodservice environments. The machine is also built with durable materials, ensuring longevity and reliability under heavy usage.

For maintenance, the FMD-5 is designed with user convenience in mind. It features removable components and accessible areas for easy cleaning and routine maintenance. Users can also benefit from preventative maintenance features that monitor the machine’s performance, alerting operators to any potential issues before they escalate.

In terms of versatility, the Bunn FMD-5 can accommodate different brewing systems and coffee types, allowing users to customize their offerings based on customer preferences. It supports pre-ground coffee and can also be adapted for different brewing styles, enhancing its usability in various coffee service environments.

Overall, the Bunn FMD-5 is an impressive combination of speed, efficiency, and flexibility, making it an excellent choice for any operation that demands high-quality coffee with minimal wait time. Whether you are serving a morning rush of customers or maintaining a steady stream of coffee through the day, the Bunn FMD-5 stands out as a reliable and efficient coffee dispensing solution.