Manuals / Bunn / Kitchen Appliance / Coffeemaker

Bunn FMD-1 FMD-2 service manual SCHEMATIC WIRING DIAGRAM FMD-1

Models: FMD-1 FMD-2

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Page 40

SCHEMATIC WIRING DIAGRAM FMD-1

HEATER	CONTROL
SWITCH	THERMOSTAT

BLK-16				BLK-16
				BLK-16

BLK

RUN/RINSE

SWITCH

RED	RED	WHI/RED

	DISPENSE		WHIPPER
RED	SOL	WHI	RED
	SOL		M

WHI

RED

BLK

BLK	BLK	FLUORESCENT	BLK BLU
BLK	BLK	LAMP	BLK BLU
		LAMP	BLU	WHI BLK RED
		BALLAST	BLU	WHI BLK RED
		BALLAST
		GRN	CHASSIS
			1	BLK RED
				BLK RED
			BLU	WHI

GRN

LIMIT

L2 N

THERMOSTAT

TANK HEATER

RED-16 (3-WIRE MODELS)

BLK-16

WHI-16 (2-WIRE MODELS)

							FAN	WHI
							FAN
HOPPER SPEED ADJUST							TANK INLET
HOPPER SPEED ADJUST					1	VIO	SOL	WHI
				LIQUID		VIO		WHI
						BLK
GRN			RED		2	BLK
	BLK			LEVEL	2			WHI
	BLK			LEVEL	4			WHI
				BOARD	3	PNK
						PNK
				GRN
J1	1	2	3	WHI			PROBE
				WHI			PROBE

	HOPPER						GRN
	DRIVE
		PCB
	HOPPER
RED		M	BLK
		M

WHI

DISPENSE SWITCH

RED BLK

DOOR

BLUWHI

120 VOLTS A C - 2 WIRE

120/208-240 VOLTS AC - 3WIRE

SINGLE PHASE

BLU		WHI
BLU	RED	BLK
	BLK	STARTER
	BLK	STARTER
	RED	BLK
		WHI

40	29112 101598

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Image 40

Bunn FMD-1 FMD-2 SCHEMATIC WIRING DIAGRAM FMD-1, VOLTS A C - 2 WIRE 120/208-240 VOLTS AC - 3WIRE SINGLE PHASE

Contents

FMD-1 FMD-2 BUNN-O-MATICCORPORATIONPOST OFFICE BOX SPRINGFIELD, ILLINOIS PHONE 217 529-6601 FAX S/N FMD0013000-UPINTRODUCTION WARRANTYUSER NOTICES USER NOTICES Cont 28964.000028964.0001 PUSH and HOLD BUTTON UNTIL CUPINITIAL 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 ONLYHOPPER MOTOR SPEED PROGRAMING FMD-2 DRAINING THE HOT WATER TANKTROUBLESHOOTING PROBLEMPROBABLE CAUSE REMEDYTROUBLESHOOTING cont PROBLEMPROBABLE CAUSE REMEDYTROUBLESHOOTING cont PROBLEMRefer to Service - Level Control Board Refer to Service - Control Board andPROBLEM TROUBLESHOOTING contfor test procedures. See page Refer to Operation - Rinse TimerDispenser is making unusual PROBLEMREMEDY SERVICE COMPONENT ACCESSContents AUGER DRIVE COMPONENTS FMD-1AUGER DRIVE COMPONENTS - FMD-1 CONT SERVICEAUGER DRIVE COMPONENTS - FMD-1 cont SERVICE contAUGER DRIVE COMPONENTS - FMD-2 AUGER DRIVE COMPONENTS - FMD-2 CONT SERVICE contFIG. 5 AUGER DRIVE & HOPPER DISASSEMBLY 19. Hopper Support plateAUGER DRIVE COMPONENTS - FMD-2 cont SERVICE contSERVICE cont 9. Using four #8-32 screws install new auger motorAUGER DRIVE COMPONENTS - FMD-2 cont FIG. 7 AUGER MOTOR TERMINALSBALLAST - FMD-1 & FMD-2 cont SERVICE contSERVICE cont CONTROL BOARD - FMD-2 ONLYCONTROL THERMOSTAT - FMD-1 & FMD-2 cont CONTROL BOARD - FMD-2 ONLY CONT SERVICE contSERVICE cont FIG.14 DISPENSE SWITCHCONTROL BOARD - FMD-2 ONLY CONT FMD-1DISPENSE SWITCHS - FMD-1 & FMD-2 cont SERVICE contSERVICE cont FAN - FMD-1 & FMD-2DISPENSE SWITCHS - FMD-1 & FMD-2 cont FMD-2 SERVICE contDisconnect the red and white wires FMD-1 voltage across the disconnected harness wiresFROTHER AND WHIPPER MOTOR - FMD-1 shown & FMD-2 cont SERVICE contHOPPER DRIVE BOARD - FMD-1 ONLY SERVICE contSERVICE cont HOPPER DRIVE BOARD - FMD-1 ONLY contFIG. 24 INCREASE/DECREASE SWITCH SERVICE cont LAMP REPLACEMENT Refer to FigStarter W/Socket LAMP REPLACEMENT Refer to Fig.24cont LAMP STARTER and SOCKET Refer to Fig. 25 LocationLEVEL CONTROL BOARD AND LEVEL PROBE - FMD-1 ONLY SERVICE contLEVEL CONTROL BOARD AND LEVEL PROBE - FMD-1 ONLY cont SERVICE contRINSE/RUN SWITCH - FMD-1 FIG. 30 RINSE/RUN SWITCHFIG. 28 LIMIT THERMOSTAT LocationRINSE/RUN SWITCH - FMD-2 RINSE/RUN SWITCH - FMD-1 CONTSERVICE cont SERVICE cont SOLENOID VALVE COLD WATER OPTIONALFMD-2 ONLYLocation SERVICE cont LocationFMD-1 FMD-2SOLENOID VALVE DISPENSE - FMD-1 & FMD-2 cont FIG. 38 INLET SOLENOID VALVESERVICE cont SOLENOID VALVE INLET - FMD-1 & FMD-2SOLENOID VALVE INLET - FMD-1 & FMD-2 cont FIG. 40 TANK HEATERSERVICE cont LocationTANK HEATER SWITCH - FMD-1 shown & FMD-2 TANK HEATER - FMD-1 shown & FMD-2 contSERVICE cont BLK to LimitTRANSFORMER - FMD-2 ONLY WHI/GRN - T7WHI/BLK - T12 SERVICE contSCHEMATIC WIRING DIAGRAM FMD-1 120 VOLTS A C - 2 WIRE 120/208-240 VOLTS AC - 3WIRE SINGLE PHASESCHEMATIC WIRING DIAGRAM FMD-2 120/208-240 VOLTS AC - 3 WIRE120 VOLTS AC - 2 WIRE SINGLE PHASE, 60 HZ