Bunn LPG-2, G9WD, G2 TRIFECTA, G9-2T DBC, FPG-2 Component Access, Component Locations

Page 14

SERVICE

This section provides procedures for testing and replacing various major components used in this grinder should service become necessary. Refer to Troubleshooting for assistance in determining the cause of any problem.

WARNING - Inspection, testing, and repair of electri- cal equipment should be performed only by qualified service personnel. The grinder should be unplugged when servicing, except when electrical tests are re- quired and the test procedure specifically states to plug-in the grinder.

Component Access

WARNING - Unplug the grinder before the removal of any panel or the replacement of any component.

All components are accessible by the removal of the lid, hopper, or front and rear access panels. Mark and retain all screws,washers and nuts for installation.

Component Locations

Some pictures showing component locations may be general to all grinders unless the component is specific to your model.

P602

CAUTION

PERSONAL INJURY

HAZARD.

KEEP FINGERS AND

FOREIGN OBJECTS

OUT OF HOPPER

OR CHUTE OPENING.

P603

14

P1306

P1307

P1308

41545 122209

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Contents Post Office BOX SPRINGFIELD, Illinois Phone 217 529-6601 FAX 217BUNN-O-MATIC Commercial Product Warranty Contents Introduction Recommended Daily CleaningCapacity Chart Housing. Figure G9 WD Packaging & Shim RemovalModel G9WD Model G9-2Models LPG, LPG-2E Model G9Models G1, G2, G3 & G2 trifecta Power ON/OFF Pad e 100V Models Operating Controls Model MHGPressing Grind initiates a timed grind cycle Batch Selector SwitchPressing the pad allows programming access see Hopper/Batch Selector Pads dProcedures Problem Probable Cause RemedySwitch for testing procedures Volts for 230 volt modelsTroubleshooting From hopper Placement proceduresHoppers Supplies of whole bean coffeeProblem Probable Cause Remedy Component Access Component LocationsCUP Sensor Switch Model G2 Trifecta ServiceBAG Sensor Switch Models G1, G2, G3 or Remove the electrical access panel at the rear of the motor AC Motor and Grind ChamberInstall shear plate Install burr rotor cup AC Motor and Grind ChamberGrind Chamber Components DC Motor and Grind Chamber G1MD only DC Motor and Grind Chamber G1MD only DC Motor TerminalsMotor and Grind Chamber Removal Motor Models LPG & FPG MotorSolenoid and Gates Install load disc 11 flat side towards rotor ROTOR/AUGER, Burrs and Motor CoverDechaffer Models LPG & FPG DechafferMarathon Motor Motor Models G9, G9-2, MHGFranklin Motor Replace if excessively worn or damaged Remove and inspect stationary burr9 for wearSnubber Models G9, G9-2, MHG LocationLevel 2 Functions Grinder Scale Model G9WD onlyCalibration Capacitor Model LPG only Capacitor TerminalsCircuit Breaker Models LPG, LPG-2E, FPG, FPG-2 DBC Circuit BreakerHopper Selector Switch Model LPG-2E only Viewed from rearHopper Selector Switch Model G9-2 only Refer to Fig. below when reconnecting the wiresGrinders with Analog Timer OFF/ON/START SwitchGrinders with Digital Timer OFF/ON/START Switch TerminalsURN/CARAFE Switch Terminals Urn/Carafe Switch Models G9, G9-2Refer to the illustration below when reconnecting the wires Batch Selector Switch Terminals Batch Selector Switch Model FPGBatch Selector Switch Potentiometer Model FPG Potentiometer TerminalsRectifier Models G1 MD, FPG-2 DBC RectifierRelay Test Procedure Disconnect the grinder from the power supplyRelay Early Model G-9 Relay TerminalsRemove the white/red wires from relay contacts 7 Relay Models G1, G2, G3, G2 trifectaRelay Early Models Late ModelsRelay Models MHG, FPG-2 DBC, Late Model G-9, G9-2, G9-2 DBC Hopper Slide Plates Slide plates must always remain flat for proper operationHopper Slide Plates Models MHG Solenoids Models MHG, FPG-2 DBC, LPG-2, G9-2, G9-2 DBC SolenoidsTimer Model LPG-2E Place the hopper selector switch in the left posi- tionTimer Models LPG, FPG Timer Model G9 Timer TerminalsAnalog Timer Timer Model G9-2Digital Timer TimerControl Board Model MHG Control Board Terminals Refer to when connecting wiresControl Board Membrane Switches Model MHG only Nuetral Membrane SwitchMembrane Switch EMI Filter Models FPG & FPG-2 EMI Filter TerminalsFunnel Sensing Coil Models MHG & G9-2 DBC Memory Clock Board Model MHG Disconnect the harness from the memory clock boardDisplay Board Model MHG Triac MAP for MHG MOV1Controls Relay @ J1-2 Triac MAP for FPG-2 DBC and G9-2 DBCControls Left Gate @ J1-1 Controls Right Gate @ J1-3G9-2 DBC, G9-2T DBC W/SMART Funnel 50/60 HZRelay Coil WHI/GRN Schematic Wiring Diagram G9-2TB DBC W/SMART Funnel 50 HZSchematic Wiring Diagram MHG Volts AC, 120 Volts AC Wire + GndSingle PHASE, 50/60HZ Volts AC Wire Single Phase 60 HZWiring Diagrams Wiring Diagrams Schematic Wiring Diagram LPG Schematic Wiring Diagram Wiring Diagrams Schematic Wiring Diagram LPG W/CapacitorWiring Diagrams Schematic Wiring Diagram LPG-B Schematic Wiring Diagram G1, G2, G3 & G2 trifecta Volts AC Volts AC Wire Single Phase60 HZ Schematic Wiring Diagram G9A HD 50 HZBLK WHI/RED WHI/YEL WHI/BLU SCHEMATICWIRINGDIAGRAMG9-2A HD Wiring Diagrams FPG Wiring Diagrams 60 HZFPG-2A DBC
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FPG-2, G9-2T DBC, G9-2, G2 TRIFECTA, G9 specifications

Bunn has established itself as a leader in the coffee and beverage equipment industry, providing advanced solutions that cater to a variety of needs. Among its notable products are the Bunn LPG-2, G9, FPG-2, G9-2, and G9WD, which showcase the company’s commitment to innovation, quality, and efficiency.

The Bunn LPG-2 is an ideal solution for high-volume coffee production. This model features a two-watt heating element that ensures rapid brew cycles and consistent temperature control. With a sleek design and user-friendly interface, the LPG-2 simplifies the brewing process while delivering exceptional coffee quality. Its large capacity enables institutions to serve multiple customers simultaneously, making it suitable for restaurants, cafes, and hotels.

The G9 series, particularly the G9 and G9-2, are known for their versatility and robust performance. Both models come equipped with a stainless steel hot water faucet, allowing users to draw hot water for various applications such as tea or soup preparation. The G9 model is designed for single-brew operation, while the G9-2 accommodates dual brewing, making it an efficient choice for those needing to meet demand quickly. Additionally, both G9 models have advanced brewing technology to ensure optimal flavor extraction.

The FPG-2 model stands out for its precision and control over brewing parameters. It features a touchscreen interface that allows users to customize brew strength and temperature, ensuring that each cup meets individual preferences. The FPG-2 is also remarkably user-friendly, which is essential in a busy environment. Its dual-brew functionality allows it to serve two different coffee options simultaneously, enhancing service efficiency.

The G9WD is designed for those who require the ultimate convenience. Featuring a built-in water line connection, the G9WD minimizes the need for manual refilling, ensuring a continuous supply of fresh coffee. This model is equipped with a programmable timer, allowing users to set brew cycles in advance, which can be a significant time-saver during peak hours.

In summary, the Bunn LPG-2, G9, FPG-2, G9-2, and G9WD offer a range of features that cater to various coffee brewing needs. With advanced technologies, efficient designs, and user-centric interfaces, these models are engineered to deliver consistent, high-quality beverages, making them essential tools for any coffee-focused establishment. Whether for high-volume brewing or versatile beverage options, Bunn's offerings stand out in the competitive landscape of beverage equipment.
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