Manuals / Bunn / Kitchen Appliance / Coffee Grinder

Bunn LPG-2, G9WD Schematic Wiring Diagram, G9-2DBC, G9-2TDBC W/SMART FUNNEL, Wiring Diagrams

Models: FPG-2 G9-2T DBC G9-2 G2 TRIFECTA G9 G9WD LPG-2

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WIRING DIAGRAMS

	SCHEMATIC WIRING DIAGRAM
L1	G9-2 DBC, G9-2T DBC W/SMART FUNNEL™
L1
B
L
K

LEFT GATE

LIMIT THERMOSTAT

SOL

WHI/ORA

J1-6

RELAY

COIL

WHI/GRN

LIMIT THERMOSTAT

RIGHT GATE

SOL

WHI/YEL

BLK

WHI

CONTROL PC BOARD

RED/BLK

J1-6

J6-10

J8-3

J8-1

J6-5

J6-1

Switch Unit Assembly Codes

A1	Grind
A2	Stop
B2	Hidden Button "Right"
C1	Large Batch Size "Left"
C2	Medium Batch Size "Left"
C3	Small Batch Size "Left"
C4	Large Batch Size "Right"
C5	Medium Batch Size "Right"
C6	Small Batch Size "Right"

120 OR 230 VOLTS AC

2WIRE

SINGLE PHASE

50/60 HZ

FUNNEL SENSOR

WHI/GRN

WHI/VIO

		SHIELD
		11						1
B2	C4	C5	C6	A2	A1	C3	C2	C1
		SWITCH UNIT ASSY

		GRINDER MOTOR
BLK	WHI/BLU		M	WHI
BLK	WHI/BLU			WHI

RELAY

CONTACTS

60	41545 122209

Page 60

Image 60

Bunn LPG-2 Schematic Wiring Diagram, G9-2DBC, G9-2TDBC W/SMART FUNNEL, Wiring Diagrams, 2WIRE SINGLE PHASE 50/60 HZ

Contents

BUNN-O-MATICCORPORATION SERVICE & REPAIR MANUALGRINDERS Includes MHG, FPG FPG-2, LPG-2,G1, G2, G3BUNN-O-MATICCOMMERCIAL PRODUCT WARRANTY CONTENTS RECOMMENDED DAILY CLEANING CAPACITY CHARTINTRODUCTION ADJUSTMENTSMUST BE COMPLETED BY AUTHORIZED SERVICE PERSONNEL SEE INSTRUCTIONS BELOW BEFORE USINGG9 WD - Packaging & Shim Removal DO NOT PLUG INOff/On/Start Switch Hopper Selector SwitchBatch Selector Switch Optional Dispense TimerOPERATING CONTROLS Continued Model G9Models G1, G2, G3 & G2 trifecta Models LPG, LPG-2EPower ON/OFF Pad e 100V Models OPERATING CONTROLS Continued Model MHGModel G9-2TDBC Batch Selector Switch OPERATING CONTROLS Continued Model FPGModel FPG-2DBC PAD cTROUBLESHOOTING ProblemProbable Cause RemedyTROUBLESHOOTING cont ProblemProbable Cause RemedyProblem Probable CauseRemedy HoppersPROBLEM PROBABLE CAUSEREMEDY TROUBLESHOOTING contSERVICE Component AccessComponent Locations P602SERVICE Cont BAG SENSOR SWITCH Models G1, G2, G3 orCUP SENSOR SWITCH MODEL G2 TRIFECTA AC MOTOR AND GRIND CHAMBER SERVICE ContAC MOTOR AND GRIND CHAMBER cont SERVICE ContSERVICE Cont AC MOTOR AND GRIND CHAMBER contFIG. 5 GRIND CHAMBER COMPONENTS SERVICE Cont LocationDC MOTOR AND GRIND CHAMBER - G1MD ONLY cont SERVICE ContSERVICE Cont 12.Slide burr auger rotor/spring assembly and burrDC MOTOR AND GRIND CHAMBER - G1MD ONLY cont MOTOR Models LPG & FPG SERVICE ContSERVICE Cont MOTOR Models LPG & FPG11.Lay motor on it’s side SERVICE Cont 21.Discard old motor and housing assemblyMOTOR Models LPG & FPG DECHAFFER Models LPG & FPG SERVICE ContMOTOR Models G9, G9-2,MHG FIG. 15 MOTORSERVICE Cont FIG. 16 MOTOR WIRINGFIG. 17 MOTOR AND GRIND CHAMBER Replace if excessively worn or damagedNOTE Burrs must be replaced as a set SERVICE ContSNUBBER Models G9, G9-2,MHG SERVICE ContGrinder Scale Model G9WD only CALIBRATION LEVEL 2 FUNCTIONSSERVICE Cont Capacitor Model LPG only SERVICE ContFIG. 20 CAPACITOR Circuit Breaker Models LPG, LPG-2E,FPG, FPG-2DBC SERVICE ContHopper Selector Switch Model LPG-2Eonly SERVICE ContHopper Selector Switch Model G9-2only SERVICE ContSERVICE Cont FIG 28 OFF/ON/START SWITCHUrn/Carafe Switch Models G9, G9-2 SERVICE ContBatch Selector Switch Model FPG SERVICE ContPotentiometer Model FPG SERVICE ContFIG 34 POTENTIOMETERS Rectifier Models G1 MD, FPG-2DBC SERVICE ContRelay Early Model G-9 SERVICE ContRelay Models G1, G2, G3, G2 trifecta SERVICE ContRELAY cont SERVICE ContSERVICE Cont LocationSERVICE Cont Replace if excessively worn or damagedHopper Slide Plates Models MHG SERVICE ContReplace if excessively worn or damaged SERVICE Cont wires, and proceed to #7Timer Model LPG-2E SERVICE ContTimer Models LPG, FPG SERVICE ContTimer Model LPG-2E Timer Model G9 SERVICE ContTimer Model G9-2 Digital TimerAnalog Timer FIG 52 TIMERControl Board Model MHG SERVICE ContFIG 55 CONTROL BOARD SERVICE ContMembrane Switches Model MHG only SERVICE ContFIG 58 MEMBRANE SWITCH SERVICE ContEMI Filter Models FPG & FPG-2 SERVICE ContFunnel Sensing Coil Models MHG & G9-2DBC SERVICE ContMemory Clock Board Model MHG SERVICE ContMEMORY BOARD GRN WHI RED BLKDisplay Board Model MHG SERVICE ContTRIAC MAP for MHG TRIAC MAP for FPG-2DBC and G9-2DBC SCHEMATIC WIRING DIAGRAM WIRING DIAGRAMS2WIRE SINGLE PHASE 50/60 HZ G9-2DBC, G9-2TDBC W/SMART FUNNELSCHEMATIC WIRING DIAGRAM WIRING DIAGRAMS2WIRE SINGLE PHASE 50/60 HZ G9-2DBC, G9-2TDBC W/SMART FUNNELSCHEMATIC WIRING DIAGRAM G9-2TBDBC W/SMART FUNNEL 100 VOLTS AC 2WIRE SINGLE PHASE 50 HZWIRING DIAGRAMS 2WIRE SINGLE PHASE 50/60 HZSCHEMATIC WIRING DIAGRAM MHG WIRING DIAGRAMSSCHEMATIC WIRING DIAGRAM MHG with WD CBA WIRING DIAGRAMS2 WIRE + Gnd SINGLE PHASE, 50/60HZ 100 VOLTS AC, 120 VOLTS AC 240 VOLTS ACSCHEMATIC WIRING DIAGRAM LPG-2E, LPGB-2EWIRING DIAGRAMS 100 VOLTS AC 120 VOLTS AC 2 WIRE SINGLE PHASEWIRING DIAGRAMS WIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM LPG 120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZLPG-A WIRING DIAGRAMSSCHEMATIC WIRING DIAGRAM 230 VOLTS AC 2 WIRE SINGLE PHASE 50/60 HZWIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM LPG W/Capacitor120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZ WIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM LPG-B 100 VOLTS AC 2 WIRE SINGLE PHASE 50-60HZWIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM G1, G2, G3 & G2 trifecta2 WIRE + GRD SINGLE PHASE 50/60 HZ 100 VOLT AC 120 VOLT AC 230 VOLT AC 240 VOLT ACSCHEMATIC WIRING DIAGRAM G9 SCHEMATIC WIRING DIAGRAM G9-URN/CARAFE120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZ 2 WIRESCHEMATIC WIRING DIAGRAM G9A HD 50 HZWIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM G9WD-RHSCHEMATIC WIRING DIAGRAM G9 SCHEMATIC WIRING DIAGRAM G9WIRING DIAGRAMS 120 VOLTS AC 2WIRE SINGLE PHASE 60 HZ230 VOLTS AC 2 WIRE SINGLE PHASE 50 HZ SCHEMATICWIRINGDIAGRAMG9-2AHDWIRING DIAGRAMS WIRING DIAGRAMS FPGA WIRING DIAGRAMS120 VOLTS AC 2WIRE SINGLE PHASE 60 HZ 230 VOLTS AC 2WIRE SINGLE PHASE 50/60 HZ100 VOLTS AC 120 VOLTS AC 2WIRE SINGLE PHASE WIRING DIAGRAMSFPG-2DBC, FPGB-2DBC 60 HZFPG-2ADBC 230 VOLTS AC50 HZ SCHEMATIC WIRING DIAGRAM

WIRING DIAGRAMS

SCHEMATIC WIRING DIAGRAM

G9-2 DBC, G9-2T DBC W/SMART FUNNEL™

120 OR 230 VOLTS AC

2WIRE