Manuals / Bunn / Kitchen Appliance / Coffee Grinder

Bunn G9WD, G9-2T DBC, G1, FPG-2 Schematic Wiring Diagram, LPG-2E, LPGB-2E, Wiring Diagrams

Models: FPG-2 G1 FPG G9-2T DBC G9-2 G9 G9WD LPG-2

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WIRING DIAGRAMS

	SCHEMATIC WIRING DIAGRAM
L1		LPG-2E, LPGB-2E				N
L1						N
				GRN
BLK				SELECTOR
BLK	3			SWITCH		WHI
	3			SWITCH
	AMP
	AMP
			GRN
		1				WHI
		2				WHI
		2
TIMER ASSY.		3	BLU	BLK	GRINDER
(Hopper Slide		4	BLU	BLK	GRINDER
Gate Timer		5	YEL	WHI
Dial Wiring)		5	WHI/BLK	RED	M
Dial Wiring)		6	WHI/BLK	RED	M
Right - Brown		6	BLK	RED
Right - Brown		7	BLK	RED
Left - Orange		7	RED		RED
Left - Orange		8	RED		RED
		8	VIO
		9	VIO	RT	RED
		9	ORA
		10	ORA
		10		SOL
				SOL
OFF/ON/START		RED		SLIDE GATES
SWITCH				SLIDE GATES
SWITCH				LT	RED
				LT	RED
		RED	RED	SOL
		YEL
						WHI

100 VOLTS AC

120 VOLTS AC

2WIRE

SINGLE PHASE

60 HZ

65	41545 122209

Page 65

Image 65

Bunn G9WD, FPG Schematic Wiring Diagram, LPG-2E, LPGB-2E, Wiring Diagrams, VOLTS AC 120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZ

Contents

SERVICE & REPAIR MANUAL BUNN-O-MATIC CORPORATIONGRINDERS Includes MHG, FPG FPG-2, LPG-2, G1, G2, G3 G2 trifecta, G9, G9WDBUNN-O-MATIC COMMERCIAL PRODUCT WARRANTY CONTENTS CAPACITY CHART RECOMMENDED DAILY CLEANINGINTRODUCTION ADJUSTMENTSSEE INSTRUCTIONS BELOW BEFORE USING MUST BE COMPLETED BY AUTHORIZED SERVICE PERSONNEL DO NOT PLUG ING9 WD - Packaging & Shim Removal housing. FigureHopper Selector Switch Off/On/Start SwitchBatch Selector Switch Optional Dispense TimerModel G9 OPERATING CONTROLS ContinuedModels G1, G2, G3 & G2 trifecta Models LPG, LPG-2EModel G9-2T DBC Power ON/OFF Pad e 100V ModelsOPERATING CONTROLS Continued Model MHG OPERATING CONTROLS Continued Model FPG Batch Selector SwitchModel FPG-2 DBC PAD cProblem TROUBLESHOOTINGProbable Cause RemedyProblem TROUBLESHOOTING contProbable Cause RemedyRefer to Service - Snubber for re ProblemProbable Cause RemedyPROBABLE CAUSE PROBLEMREMEDY TROUBLESHOOTING contComponent Access SERVICEComponent Locations P602CUP SENSOR SWITCH MODEL G2 TRIFECTA SERVICE ContBAG SENSOR SWITCH Models G1, G2, G3 or SERVICE Cont AC MOTOR AND GRIND CHAMBERSERVICE Cont AC MOTOR AND GRIND CHAMBER contFIG. 5 GRIND CHAMBER COMPONENTS SERVICE ContAC MOTOR AND GRIND CHAMBER cont DC MOTOR AND GRIND CHAMBER - G1MD ONLY SERVICE ContSERVICE Cont DC MOTOR AND GRIND CHAMBER - G1MD ONLY contDC MOTOR AND GRIND CHAMBER - G1MD ONLY cont SERVICE Cont12. Slide burr auger rotor/spring assembly and burr FIG. 10 MOTOR REMOVAL MOTOR Models LPG & FPGSERVICE Cont 8. Remove spacer plate 3 and set aside for reas- sembly SERVICE ContMOTOR Models LPG & FPG MOTOR Models LPG & FPG SERVICE Cont21. Discard old motor and housing assembly SERVICE Cont DECHAFFER Models LPG & FPGFIG. 14 DECHAFFER REMOVAL/REPLACEMENT OPTONAL EXTRAFIG. 15 MOTOR MOTOR Models G9, G9-2, MHGSERVICE Cont FIG. 16 MOTOR WIRINGReplace if excessively worn or damaged FIG. 17 MOTOR AND GRIND CHAMBERNOTE Burrs must be replaced as a set SERVICE ContWHI/ BLU to Snubber SNUBBER Models G9, G9-2, MHGSERVICE Cont SERVICE Cont Grinder Scale Model G9WD only CALIBRATIONLEVEL 2 FUNCTIONS FIG. 20 CAPACITOR Capacitor Model LPG onlySERVICE Cont RED from Motor-LPG-2E BLK from Start Switch-LPG BLK from Power Cord Circuit Breaker Models LPG, LPG-2E, FPG, FPG-2 DBCSERVICE Cont SERVICE Cont Hopper Selector Switch Model LPG-2E onlyFIG. 24 HOPPER SELECTOR SWITCH WHI to OFF/ON/START Switch BLU to Timer P1-4 bluFIG. 26 HOPPER SELECTOR SWITCH Hopper Selector Switch Model G9-2 onlySERVICE Cont VIO to timer P1-2 BLK to Cordset BLK to timer P4-1 SERVICE ContWHI/RED timer to P4-6 BLU to SW2 PNK to Intf conn VIO to timer P1-2 BLK to Cordset WHI/RED timer to P4-6FIG 30 URN/CARAFE SWITCH Urn/Carafe Switch Models G9, G9-2SERVICE Cont ORN to TIMER Batch Selector Switch Model FPGSERVICE Cont FIG 34 POTENTIOMETERS Potentiometer Model FPGSERVICE Cont FIG. 37 RECTIFIER TERMINALS Rectifier Models G1 MD, FPG-2 DBCSERVICE Cont SERVICE Cont Relay Early Model G-9Single set timer shown Multi set timer Urn/Carafe similarSERVICE Cont Relay Models G1, G2, G3, G2 trifectaFIG. 41 RELAY TERMINALS RELAY contSERVICE Cont SERVICE Cont Relay Models MHG, FPG-2 DBC, Late Model G-9, G9-2, G9-2 DBCFIG 42 RELAY FIG 43 RELAY TERMINALSThe slide plates must always remain flat for proper operation 5. Inspect the slide plates after reassembly. They must move freelySERVICE Cont Replace if excessively worn or damagedSERVICE Cont Hopper Slide Plates Models MHG5. Inspect the slide plates after reassembly. They must move freely The slide plates must always remain flat for proper operationSERVICE Cont Solenoids Models MHG, FPG-2 DBC, LPG-2, G9-2, G9-2 DBC7. Check the solenoid for coil action when the control press the Off/On/Start switch to “START” lowerP1061 Timer Model LPG-2ESERVICE Cont SERVICE Cont Timer Models LPG, FPGTimer Model LPG-2E P1748If voltage is present as described, proceed to step Timer Model G9SERVICE Cont FIG 52 TIMER Timer Model G9-2SERVICE Cont Digital TimerSERVICE Cont Control Board Model MHGFIG 53 CONTROL BOARD FIG 54 CONTROL BOARD TERMINALSControl Board Models FPG-2 & G9-2 DBC FIG 55 CONTROL BOARDSERVICE Cont SERVICE Cont Membrane Switches Model MHG onlyTEST SWITCHES? NO YES PRESS RIGHT HIDDEN TO EXIT NOTHING PRESSED TEST FREQUENCY? NO YESMembrane Switches Models FPG-2 & G9-2 DBC FIG 58 MEMBRANE SWITCHSERVICE Cont 118.0 kΩ - 118.5 kΩ Across either pair EMI Filter Models FPG & FPG-2SERVICE Cont SERVICE Cont Funnel Sensing Coil Models MHG & G9-2 DBCFIG 62 FUNNEL SENSING COIL FIG 63 FUNNEL SENSING COIL TERMINALSSERVICE Cont Memory Clock Board Model MHGMEMORY BOARD GRN WHI RED BLKSERVICE Cont Display Board Model MHGFIG 66 DISPLAY BOARD To Control Board J8@ J5-4,5,6 TRIAC MAP for MHGTH1 & MOV2 TH2 & MOV3TH1 & MOV1 TRIAC MAP for FPG-2 DBC and G9-2 DBCTH2 & MOV2 TH3 & MOV3WIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM2 WIRE SINGLE PHASE 50/60 HZ G9-2 DBC, G9-2T DBC W/SMART FUNNELWIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM2 WIRE SINGLE PHASE 50/60 HZ G9-2 DBC, G9-2T DBC W/SMART FUNNELWIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM G9-2TB DBC W/SMART FUNNEL100 VOLTS AC 2 WIRE SINGLE PHASE 50 HZ 50/60 HZ 2 WIRE SINGLE PHASESCHEMATIC WIRING DIAGRAM MHG WIRING DIAGRAMSWIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM MHG with WD CBA100 VOLTS AC, 120 VOLTS AC 240 VOLTS AC 2 WIRE + Gnd SINGLE PHASE, 50/60HZLPG-2E, LPGB-2E SCHEMATIC WIRING DIAGRAMWIRING DIAGRAMS 100 VOLTS AC 120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZWIRING DIAGRAMS 120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZ WIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM LPG230 VOLTS AC 2 WIRE SINGLE PHASE 50/60 HZ WIRING DIAGRAMS SCHEMATIC WIRING DIAGRAMLPG-A 120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZ WIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM LPG W/Capacitor100 VOLTS AC 2 WIRE SINGLE PHASE 50-60 HZ WIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM LPG-BSCHEMATIC WIRING DIAGRAM G1, G2, G3 & G2 trifecta WIRING DIAGRAMS2 WIRE + GRD SINGLE PHASE 50/60 HZ 100 VOLT AC 120 VOLT AC 230 VOLT AC 240 VOLT ACSCHEMATIC WIRING DIAGRAM G9-URN/CARAFE SCHEMATIC WIRING DIAGRAM G9120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZ 2 WIRE50 HZ SCHEMATIC WIRING DIAGRAM G9A HDWIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM G9WD-RHSCHEMATIC WIRING DIAGRAM G9 SCHEMATIC WIRING DIAGRAM G9WIRING DIAGRAMS 120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZWIRING DIAGRAMS 230 VOLTS AC 2 WIRE SINGLE PHASE 50 HZSCHEMATICWIRINGDIAGRAMG9-2A HD WIRING DIAGRAMS WIRING DIAGRAMS FPGA120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZ 230 VOLTS AC 2 WIRE SINGLE PHASE 50/60 HZWIRING DIAGRAMS 100 VOLTS AC 120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZFPG-2 DBC, FPGB-2 DBC SCHEMATIC WIRING DIAGRAM230 VOLTS AC FPG-2A DBC50 HZ SCHEMATIC WIRING DIAGRAM