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

Page 71

SCHEMATIC WIRING DIAGRAM FMD-5A

L1

GRN

 

L2

 

 

 

 

 

 

 

 

 

 

J4-1

 

 

WHI

 

 

 

C

 

 

 

 

VIO

 

 

 

 

 

 

 

WHI

 

 

 

O

J4-4

 

 

WHI/VIO

 

 

 

N

 

 

 

 

 

T

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

L

 

 

 

 

 

 

 

 

 

 

 

 

C

J3-1

 

 

WHI/ORN

 

 

 

I

 

 

 

 

 

 

 

WHI/RED

 

 

 

R

 

 

 

 

 

 

 

C

 

 

 

 

BRN/WHI

 

 

 

U

 

 

 

 

GRN

 

 

 

I

J3-5

 

 

WHI/GRN

 

 

 

T

 

 

WHI/BLK

 

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

A

J2-1

 

 

WHI/VIO

 

 

 

R

 

 

GRY

 

 

 

D

 

 

 

 

WHI/GRY

 

 

 

#

 

 

 

 

WHI/RED

 

 

 

1

J2-5

 

 

TAN

 

 

 

 

 

 

 

RED/BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/BLK

 

 

 

 

 

 

 

 

 

WHI/ORN

 

 

 

 

 

 

 

 

 

GRN

 

 

 

 

 

J2-10

 

 

PNK

 

 

 

 

 

 

J1-1

 

 

 

 

 

 

 

 

 

 

 

 

J1-4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PROBE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRN

TAN

PNK1

RED/WHI

BLU/WHI

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

PNK

RED/GRN

ORN/RED

GRY 1

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

1

WHI/RED BLK/WHI

BLK WHI/BLK

 

 

 

 

 

 

CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI

J4-1

 

 

TANK HEATER

 

 

 

 

 

 

 

 

LIMIT

 

 

 

THERMAL

 

 

 

 

THERMAL

 

 

 

 

 

 

BRN/BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

SWITCH

 

 

 

 

THERMOSTAT

 

 

 

THERMOSTAT

 

 

 

FUSE

 

 

 

 

FUSE

 

 

 

 

 

 

 

WHI

 

 

 

 

K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK-16

 

TANK HEATER

 

 

 

 

 

 

 

 

BLK

J4-4

BLK-16

 

BLK-16

 

 

BLK-16

 

BLK-16

 

 

 

 

 

 

 

WHI-16

 

 

K

 

 

N

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FAN

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

M

 

 

 

 

 

WHI

 

 

 

 

 

 

 

L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J3-1

I

BLK

 

 

BLK

LAMP #1 BLK

RED

RED

BLK

LAMP #2

BLK

 

BLK

BLK

 

 

 

 

 

 

 

 

 

 

 

 

WHI/BLU

R

 

 

 

 

BALLAST

 

 

 

BALLAST

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/YEL

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI

 

 

 

 

 

U

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRN

 

I

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/GRN

J3-5

T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REFILL VALVE

 

 

 

 

 

 

 

WHI/BLK

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/BLK

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OVERFLOW PROTECTION SWITCH

 

 

 

 

 

 

 

 

 

VIO

SOL

 

 

WHI

 

 

 

 

WHI/VIO

J2-1

A

BLK

WHI/VIO

 

 

 

LOAD

 

240V : 24V AC

LINE

 

 

 

 

 

 

 

 

 

 

 

 

 

GRY

R

RED

RED

 

 

 

 

 

TRANSFORMER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D

 

 

 

 

 

 

 

 

WHI/GRN

WHI

 

 

 

 

 

 

 

 

WHI

 

 

 

 

WHI/GRY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

#

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/BLU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLU/BLK

J2-5

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED/BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/YEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/ORN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/BLK

J2-10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J1-1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/RED

J1-4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N

GRN

E

INCREASE/

 

 

 

 

HOPPER #1

 

 

 

HOPPER #2

 

 

 

HOPPER #3

 

 

HOPPER #4

 

 

HOPPER #5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I

 

D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

C

DECREASE

 

BRN/WHI

RED

M

BLK

WHI/RED

RED

 

BLK

 

WHI/ORN

RED

 

BLK

WHI/YEL

RED

 

BLK

WHI/BLU

RED

 

BLK

 

 

 

 

 

SWITCH

 

M

 

M

M

M

 

 

WHI/VIO

RED/BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRN

 

 

 

 

GRN

 

 

 

GRN

 

 

 

 

GRN

 

 

GRN

 

 

 

 

 

 

 

 

 

 

STATION #1

 

 

 

STATION #2

 

 

 

STATION #3

 

 

STATION #4

 

 

STATION #5

 

 

 

 

 

 

 

 

 

 

 

 

WHIPPER

 

 

 

WHIPPER

 

 

 

WHIPPER

 

 

WHIPPER

 

 

WHIPPER

 

 

 

 

RINSE/PROGRAM/

 

 

BLK

M

BLK

BLK

M

 

BLK

 

 

BLK

M

BLK

 

 

BLK

M

BLK

BLK

M

BLK

 

 

 

WHI/GRY RUN SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RINSE

 

 

 

STATION #1

 

STATION #2

 

 

 

 

 

STATION #3

 

 

 

STATION #4

 

STATION #5

 

 

 

 

 

PGM

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRY

 

 

BRN

 

DISPENSE

 

 

DISPENSE

 

 

 

 

 

DISPENSE

 

 

 

DISPENSE

 

DISPENSE

 

 

 

 

RUN

 

 

VALVE

WHI

RED

VALVE

 

WHI

ORN

 

 

VALVE

 

WHI

YEL

 

VALVE

WHI

BLU

VALVE

WHI

 

 

 

BRN/BLK

 

 

 

 

 

 

 

 

 

 

RINSE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PGM

BLK

 

 

TAN

SOL

WHI

RED

SOL

WHI

 

ORN

SOL

WHI

 

 

YEL

SOL

WHI

BLU

SOL

WHI

 

 

 

BRN/BLK

 

 

 

 

 

 

 

 

ORN

 

 

 

 

 

 

 

 

 

 

 

 

RUN

 

 

 

 

WHI

RED

 

 

 

WHI

 

 

 

 

WHI

YEL

 

 

WHI

BLU

 

WHI

 

 

 

 

 

 

 

 

 

 

 

WHI

 

 

 

COLD DRINK OPTION (LEFT ONLY)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BRN 1

RED

 

HOT/COLD SWITCH

WHI/YEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BRN

 

RED

 

 

 

COLD

 

 

 

 

RED

JUMPER PLUG MUST BE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TAN

 

TAN

 

 

 

 

 

SOL

 

 

RED

USED WHEN COLD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HOT

 

 

 

DRINK FEATURE NOT

 

 

 

 

 

 

BRN RED ORN YEL BLU BRN/BLK

 

 

 

 

 

 

 

WHI

 

WHI

 

 

 

 

 

 

 

RED

 

 

BLU/BLK GRN

WHI/BLK WHI/RED WHI/ORN WHI/YEL WHI/BLU GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INSTALLED

 

 

 

RED WHI RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

6

 

1

6

1

4

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK/WHI RED ORN GRN/WHI BLU WHI/RED

 

WHI/BLK

RED/BLK ORN/BLK GRN/BLK BLU/BLK BLK

BLK/RED WHI BLU/RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK/RED WHI

 

 

 

BLU/RED WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLU RED

RED RED

RED BLU

 

BLU RED

RED RED

RED BLU

 

 

 

 

 

 

 

 

2

 

 

3

 

 

4

 

5

 

 

WHI BLK

BLK BLK

BLK WHI

 

WHI BLK

BLK BLK

BLK WHI

 

 

230 VOLTS AC

 

 

 

BLK

 

BLK

 

BLK

BLK

BLU/BLK

 

 

 

STARTER

 

 

 

STARTER

 

 

 

 

 

 

 

RED/BLK

 

ORN/BLK

 

GRN/BLK

 

 

 

 

 

 

 

 

 

 

SINGLE PHASE, 50/60HZ

 

 

 

WHI/RED

RED

WHI/RED

ORN

WHI/RED

GRN/WHI

WHI/RED

BLU

 

 

 

 

 

 

 

 

 

 

 

 

 

2 WIRE + GND

 

 

71

42672 122209

 

Image 71
Contents Phone 217 529-6601 FAX 217 FMD SeriesExcluding regular maintenance items BUNN-O-MATIC Commercial Product WarrantyIntroduction Cleaning Required Regular Maintenance Problem Probable Cause Remedy ProblemProduct will not dispense Level Control Board and Probe FMD-1Problem Probable Cause Remedy Troubleshooting Procedures. See Product overflows container Dispense SwitchInstall a regulator if necessary to Excess dust Fan Refer to Service42672 20,23 Component AccessAccess Panels SERVICEcontLocation Service Auger Drive Components all ModelsTest Procedures Auger Motor Retainer Clip Panel RED to Control Board ServiceAuger Drive Components Spacer Auger Motor Hopper Base Dust Seal WasherLocknut Auger Motor Bracket Remove auger drive shaft bushing from hopperRinse and dry each item thoroughly Bushing Panel Auger Drive ShaftAuxillary Control Board FMD DBC-3 only Disconnect the dispenser from the power source Service Auxillary Control BoardBallast all Models ServiceControl Board Test Procedure Power SupplyHopper Motor Control Circuitry Check that the RINSE/RUN switch is in the Rinse positionControl board to the component bracket Using four #6-32 keps nutsConnectors on the control board Control BoardControl Board Check that the rinse/run switch is in the run posi- tion Control Board Connectors Remove bulb from the tank Remove temperature probe from the tankLocation WHI to Main Control ThermostatBLK to Main If voltage is present as described, proceed to #7 Open the dispenser door and remove the bottom door coverIf voltage is present as described, proceed to #6 FMD DBC-2FD Digital Touch Control Switch FMD DBC-2,DBC-3FMD DBC-3 Connectors Digital Touch Control SwitchEMI Filter EMI Filter 230 Volt FMD DBC-3Vacuum FAN all Models Test ProceduresDisconnect the black and white wires from the fan terminals Frother and Whipper Motor Frother and Whipper Motor all Models except -2FDWill seat inside the whipper chamber Frother and Whipper MotorHopper Drive Board Hopper Drive Board FMD-1 onlyHopper Drive Board Terminals Disconnect the wires from the switch terminals HOT/COLD Switch Optional for FMD DBC-3Terminals Door Assy Upper Panel Lamp Holders Lower Panel Lamp Holder all ModelsLamp Starter and Socket Level Control Board and Level Probe FMD-1 only Reconnect the violet wire to terminalLevel Board Terminals Limit Thermostat Limit Thermostat all ModelsOverflow Protection Switch RINSE/RUN Switch Rinse /RUN Switch all ModelsCold Water Solenoid Terminals Solenoid Valve Cold Water Optional for FMD-2,-3,-4,-5Dispense Solenoid Valves P1637.40 Location Solenoid Valves Dispense all ModelsSolenoid Valve HOT Water Dispense Solenoid Valve FMD-2FD,DBC-2FD,-3,DBC-3Inlet Solenoid Valve Solenoid Valve Inlet all ModelsTank Heater all Models WHI or RED to Main BLK to Limit Wiring HarnessBRN/BLK from WHI from Main Harness Tank Heater Relay FMD-4,-5,120V Dispensers onlyTank Heater Switch Tank Heater Switch all ModelsRemove and discard the transformer Disconnected from the main wiring harnessTransformer all Models Q7 & MOV2 Controls Refill Valve Q1 & MOV1 Controls Left Whipper MotorQ2 & MOV3 Controls Center Whipper Motor Q5 & MOV4 Controls Right Whipper MotorBLK Schematic Wiring Diagram FMD-1WHI-16 Schematic Wiring Diagram FMD-1ASchematic Wiring Diagram FMD-2 Schematic Wiring Diagram FMD-2A Schematic Wiring Diagram FMD DBC-2 Freeze Dried W/HOT Water Schematic Wiring Diagram FMD-2FD 42672 42672 42672 42672 Schematic Wiring Diagram FMD DBC-3 With HOT Water Dispense Schematic Wiring Diagram Fmda DBC-3 With HOT Water Dispense 42672 42672 42672 42672 Schematic Wiring Diagram FMD-5A
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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.