Manuals / Bunn / Kitchen Appliance / Coffee Grinder

Bunn G9WD, G9-2 SCHEMATIC WIRING DIAGRAM MHG with WD CBA, Wiring Diagrams, Li N, Control Pc Board

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

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Page 64

WIRING DIAGRAMS

WIRING DIAGRAMS

LI N

SCHEMATIC WIRING DIAGRAM

MHG with WD CBA

WHT

BLK

LINE

CONTROL PC BOARD

T1

LOAD

MOTOR RELAY

J1

SWITCH UNIT ASSEMBLY CODES

RED

1

RED

A1

GRIND

GRY

K1

VIO

VIO

GRY

A2

STOP

ORG

5

B1

HIDDEN BUTTON "LEFT"

YEL

LEFT GATE RELAY

8

B2

HIDDEN BUTTON "RIGHT"

C1 LARGE BATCH SIZE "LEFT"

GRY

C2 MEDIUM BATCH SIZE "LEFT"

K2

ORG

C3 SMALL BATCH SIZE "LEFT"

J12

C4 LARGE BATCH SIZE "RIGHT"

RIGHT GATE RELAY

YEL

C5 MEDIUM BATCH SIZE "RIGHT"

RIGHT HOPPER

1

C6 SMALL BATCH SIZE "RIGHT"

COIL

YEL

D1 "DIGITAL' LEFT HIDDEN BUTTON

LEFT HOPPER

ORG

GRY

K3

YEL

5

D2

"BREWER" CENTER HIDDEN BUTTON

COIL

ORG

D3

"CONTROL" RIGHT HIDDEN BUTTON

VIO

FUNNEL COIL

VIO

9

J6

1

4

J19

1

5

10

16

LIMIT

RIGHT GATE

THERMOSTAT

P2

K3

BLK

WHT

SOL

WHT/YEL

WHT/YEL

GRN

LIMIT

LEFT GATE

THERMOSTAT

P3

K2

WHT

P1

WHT

WHT/ORG

WHT/ORG

BLK

SOL

GRN

GRINDER

P4

MOTOR

K1

A2

C5

C6

C4

B2

B1

D3

D2

D1

C3

C2

C1

A1

STATIC

WHT

MTR

WHT/BLU

BLK

SHIELD

BLK

SWITCH UNIT ASSY

100 VOLTS AC, 120 VOLTS AC,

240 VOLTS AC

2 WIRE + Gnd

SINGLE PHASE, 50/60HZ

64	41545 111711

Image 64

Bunn G9WD, LPG-2, G9-2 SCHEMATIC WIRING DIAGRAM MHG with WD CBA, Wiring Diagrams, VOLTS AC, 120 VOLTS AC 240 VOLTS AC, Li N

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-2EOPERATING CONTROLS Continued Model MHG Power ON/OFF Pad e 100V ModelsModel 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 P602BAG SENSOR SWITCH Models G1, G2, G3 or SERVICE ContCUP SENSOR SWITCH MODEL G2 TRIFECTA AC MOTOR AND GRIND CHAMBER SERVICE ContAC MOTOR AND GRIND CHAMBER cont SERVICE ContAC MOTOR AND GRIND CHAMBER cont SERVICE ContFIG. 5 GRIND CHAMBER COMPONENTS SERVICE Cont LocationDC MOTOR AND GRIND CHAMBER - G1MD ONLY cont SERVICE Cont12.Slide burr auger rotor/spring assembly and burr SERVICE ContDC MOTOR AND GRIND CHAMBER - G1MD ONLY cont MOTOR Models LPG & FPG SERVICE ContMOTOR Models LPG & FPG SERVICE Cont11.Lay motor on it’s side 21.Discard old motor and housing assembly SERVICE ContMOTOR 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 ContLEVEL 2 FUNCTIONS Grinder Scale Model G9WD only CALIBRATIONSERVICE Cont SERVICE Cont Capacitor Model LPG onlyFIG. 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 ContSERVICE Cont Potentiometer Model FPGFIG 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 damagedSERVICE Cont Hopper Slide Plates Models MHGReplace if excessively worn or damaged SERVICE Cont wires, and proceed to #7Timer Model LPG-2E SERVICE ContSERVICE Cont Timer Models LPG, FPGTimer 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 FUNNEL100 VOLTS AC 2WIRE SINGLE PHASE 50 HZ SCHEMATIC WIRING DIAGRAM G9-2TBDBC W/SMART FUNNELWIRING 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 HZLPG W/Capacitor WIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM120 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 HZSCHEMATICWIRINGDIAGRAMG9-2AHD 230 VOLTS AC 2 WIRE SINGLE PHASE 50 HZWIRING 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