Bunn FMD-3 service manual Schematic Wiring Diagram FMDA-1, FMDA-2, & FMDA-3

Page 36

SCHEMATIC WIRING DIAGRAM FMDA-1, FMDA-2, & FMDA-3

 

FMD-1 Components

 

FMD-2)

FMD-2 & FMD-3 Components

COMPONENTS ELIMINATED ON

 

(CENTER

L1

 

 

 

 

 

 

GRN

 

 

 

 

 

 

L2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HEATER SW.

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK-16

BLK-16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LIMIT

 

 

 

 

 

 

 

 

 

THERMOSTAT

BLK-16

THERMOSTAT

TANK HEATER

 

 

 

WHI - 16

 

 

 

 

 

BLK-16

 

 

 

 

 

 

 

 

 

 

 

 

GRN

 

PROBE

 

 

 

 

 

 

 

 

 

 

OVERFLOW SWITCH

 

 

 

 

TANK INLET

 

BLK

 

WHI/VIO

 

 

BLK

 

RED

RED

 

 

VIO

 

WHI

 

 

1

HOPPER

 

 

 

 

 

1

 

SOL

 

 

ORA

BLK

 

 

 

LIQUID

BLU

 

 

 

 

2

DELAY

 

 

 

2

 

 

 

 

RUN/RINSE SWITCH

GRY

 

 

 

 

LEVEL

 

 

 

WHI

 

3

 

 

 

 

 

3

 

 

 

BLK

BLK

BLK

 

 

 

 

 

BOARD

PNK

 

 

 

4

 

 

 

 

 

 

4

 

 

 

 

 

RED

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

GRY

 

FLUORESCENT

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

GRY

7

 

 

LAMP

BLK

BLK

 

 

 

 

 

 

 

 

WHI

 

BALLAST

 

 

 

 

 

 

 

 

8

 

 

 

WHI FAN

 

 

 

 

 

 

 

 

BLU

BLK

 

 

 

 

 

 

 

WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI

WHI

 

 

 

 

 

WHI

 

WHI

 

 

 

 

 

 

WHI

 

 

 

 

 

DISPENSE

 

 

WHIPPER

 

 

HOPPER

 

 

 

 

WHI/RED

SOL

WHI

WHI/RED

M

WHI

RED

M

GRY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI

 

WHI

 

 

 

 

 

WHI

 

 

RIGHT DISPENSE

 

RIGHT WHIPPER

RIGHT HOPPER

 

 

WHI/VIO

SOL

WHI

WHI/VIO

M

WHI

WHI/VIO

M

GRY

WHI/VIO

WHI/VIO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CENTER DISPENSE

 

CENTER WHIPPER

CENTER HOPPER

 

ORA

 

SOL

WHI

ORA

 

M

WHI

ORA

M

GRY

ORA

ORA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LEFT DISPENSE

 

LEFT WHIPPER

 

 

LEFT HOPPER

 

 

TAN

 

SOL

WHI

RED

 

M

WHI

RED

M

GRY

 

 

 

 

 

 

 

 

 

 

 

COLD DRINK OPTION (LEFT ONLY)

 

 

 

 

 

 

WHI

4

WHI

 

 

 

 

SOL

 

 

 

 

TAN

 

TAN

 

 

 

 

 

 

JUMPER PLUG MUST BE

 

 

 

 

 

 

 

RED

RED

 

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

USED WHEN COLD

RED

 

RED

 

 

 

 

 

 

RED

 

 

 

 

WHI/YEL

 

DRINK FEATURE NOT

CHASSIS

1

 

 

 

 

 

RED

 

 

HOT/COLD SWITCH

 

 

INSTALLED

 

 

 

 

 

 

 

 

 

1

4

1

WHI

BLU

 

 

WHI

 

 

 

BLU

BLU

RED

 

BLK

 

 

 

RED

1

 

 

 

 

 

 

BLK

 

 

BLK

 

 

 

 

RED/WHI

 

 

 

GRN

 

 

RED/BLK

 

 

BLK

STARTER

 

 

DOOR

 

 

 

 

 

 

RED

 

BLK

 

 

DISPENSE SWITCH

BLK

 

 

 

 

 

 

 

WHI

 

 

(RIGHT, MODELS FMD-2 & FMD-3)

 

 

 

 

 

 

RED/BLK

 

 

 

 

 

DISPENSE SWITCH

BLK

 

 

 

 

 

 

(CENTER, MODEL FMD-3 ONLY)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED/WHI

 

 

 

240 VOLTS A C - 2 WIRE

 

 

 

 

 

 

 

SINGLE PHASE, 50 HZ

DISPENSE SWITCH

 

 

 

 

 

BLK

 

 

 

 

 

 

 

(LEFT, MODELS FMD-2 & FMD-3)

 

 

 

 

 

 

 

 

 

 

 

 

 

28341.0001E 6/98 © 1997 BUNN-O-MATIC CORPORATION

(ALSO FMD-1 SWITCH)

 

 

 

 

 

 

RED

36

28364 011598

 

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Contents Post Office BOX SPRINGFIELD, Illinois Phone 217 529-6601 FAX 217BUNN-O-MATIC Commercial Product Warranty FMD-2 FMD-300656.0000 00831.0000 28368.000026536.0002 FMD-2Initial SET-UP Initial Fill & Heat Plumbing HOOK-UPDraining the HOT Water Tank Problem Probable Cause RemedyTroubleshooting Replacement Control thermostatStat for testing procedures. See Product overflows container Dispense switch Dripping from dispense tip Lime build-upLeaks ColdProblem Probable Cause RemedyRefer to Service Lamp, see page 23 for lamp replacement Dispenser is making unusualNoises Water Supply Tank Heater Excess dust Fan Display not lit Lamp Lamp Holder Starter Lamp BallastComponent Access ContentsAuger Drive Components Hopper Lid Auger Wire Agitator Disc Assy If voltage is present as described, proceed to #5Off of the auger drive shaft Auger Drive Shaft Optional Bushing Ejector ElbowAuger Drive Components Remove dust seal 18 from auger motorRefer to when reconnecting the wires BallastHarness BLK to BLU From Door Interconnect Remove temperature probe from the tank Control ThermostatDispense Switch Control ThermostatLocation Dispense Switch FANLocation FAN Frother and Whipper MotorSteam Collector Ring Mixing Chamber #8-32 Acorn Nut Washer Ring Nut FrotherFrother and Whipper Motor Hopper Delay Board Whipper Motor Terminals P1451.40HOT/COLD Switch Optional Disconnect the wires from the switch termi- nalsLamp Replacement Refer to Fig Lamp HolderDoor Assy Upper Panel Lamp Holders Lower Panel Remove the outside window and display graphicAs assembly Lamp Starter and SocketLevel Control Board and Level Probe Level Control Board and Level Probe Limit Thermostat Limit ThermostatOverflow Protection Switch From Main HarnessBoard Rinse /RUN Switch RINSE/RUN SwitchSolenoid Valve Cold Water Optional Cold Water Solenoid ValveCold Water Solenoid Terminals Solenoid Valves DispenseSolenoid Valves Dispense Solenoid Valve InletSolenoid Valve Inlet Tank HeaterMain Wiring Thermostat Harness Tank Heater SwitchTank Heater Tank Heater Switch Tank Heater Switch TerminalsSchematic Wiring Diagram FMD-1, FMD-2, & FMD-3 Schematic Wiring Diagram FMDA-1, FMDA-2, & FMDA-3
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