Bunn LPG-2, G2 TRIFECTA, G9-2 Grinder Scale Model G9WD only, Calibration, Level 2 Functions

Page 29

SERVICE (Cont.)

Grinder Scale (Model G9WD only)

CALIBRATION

1.Place empty funnel into funnel rails.

2.Press and hold the right hidden (copyright) button until the “MACHINE TYPE” menu appears. (See level 2 programming)

3.Press the middle button under the screen until the “CALIBRATE SCALES?” menu appears.

4.Press the right button under “YES” in the “CALIBRATE SCALES?” screen.

5.Press the middle button under “TARE”.

6.When the “PLACE 8oz” screen appears, remove the funnel, and place a calibrated 8oz weight in the funnel. Replace the funnel in the funnel rails.

7.Press the middle button under “DONE”. The grinder will go through a calibration, and then return to the main screen when calibration is complete.

8.Remove the weight from the funnel. The grinder is now ready calibrated and ready for normal operation.

LEVEL 2 FUNCTIONS:

Press the hidden

(copyright) button for 3 seconds in “ENTER PASSWORD” menu.

MACHINE TYPE

WEIGHT TIMED

CALIBRATE SCALE ?

NO YES

MODIFY MAXBIT

NO SPREAD? YES

SHUToff Bits ##

(-) DONE (+)

MaxBits read #

(-) DONE (+)

Finished, returns

to main screen

CALIBRATION OZ

(-) 8.00 (+)

CALIBRATE SCALES EXIT TARE

PLEASE WAIT TARE

PLACE 8.00 oz

EXIT DONE

PLEASE WAIT CAL

29

41545 072710

 

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Contents Phone 217 529-6601 FAX 217 Post Office BOX SPRINGFIELD, IllinoisBUNN-O-MATIC Commercial Product Warranty Contents Introduction Recommended Daily CleaningCapacity Chart G9 WD Packaging & Shim Removal Housing. FigureModel G9-2 Model G9WDModels LPG, LPG-2E Model G9Models G1, G2, G3 & G2 trifecta Operating Controls Model MHG Power ON/OFF Pad e 100V ModelsPressing the pad allows programming access see Batch Selector SwitchPressing Grind initiates a timed grind cycle Hopper/Batch Selector Pads dSwitch for testing procedures Problem Probable Cause RemedyProcedures Volts for 230 volt modelsTroubleshooting Hoppers Placement proceduresFrom hopper Supplies of whole bean coffeeProblem Probable Cause Remedy Component Locations Component AccessCUP Sensor Switch Model G2 Trifecta ServiceBAG Sensor Switch Models G1, G2, G3 or AC Motor and Grind Chamber Remove the electrical access panel at the rear of the motorAC Motor and Grind Chamber Install shear plate Install burr rotor cupGrind Chamber Components DC Motor and Grind Chamber G1MD only DC Motor Terminals DC Motor and Grind Chamber G1MD onlyMotor and Grind Chamber Removal Motor Motor Models LPG & FPGSolenoid and Gates ROTOR/AUGER, Burrs and Motor Cover Install load disc 11 flat side towards rotorDechaffer Dechaffer Models LPG & FPGMarathon Motor Motor Models G9, G9-2, MHGFranklin Motor Remove and inspect stationary burr9 for wear Replace if excessively worn or damagedLocation Snubber Models G9, G9-2, MHGLevel 2 Functions Grinder Scale Model G9WD onlyCalibration Capacitor Terminals Capacitor Model LPG onlyCircuit Breaker Circuit Breaker Models LPG, LPG-2E, FPG, FPG-2 DBCViewed from rear Hopper Selector Switch Model LPG-2E onlyRefer to Fig. below when reconnecting the wires Hopper Selector Switch Model G9-2 onlyGrinders with Digital Timer OFF/ON/START SwitchGrinders with Analog 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 Terminals Potentiometer Model FPGRectifier Rectifier Models G1 MD, FPG-2 DBCRelay Early Model G-9 Test Procedure Disconnect the grinder from the power supplyRelay Relay TerminalsRelay Models G1, G2, G3, G2 trifecta Remove the white/red wires from relay contacts 7Early Models Late Models RelayRelay Models MHG, FPG-2 DBC, Late Model G-9, G9-2, G9-2 DBC Slide plates must always remain flat for proper operation Hopper Slide PlatesHopper Slide Plates Models MHG Solenoids Solenoids Models MHG, FPG-2 DBC, LPG-2, G9-2, G9-2 DBCPlace the hopper selector switch in the left posi- tion Timer Model LPG-2ETimer Models LPG, FPG Timer Terminals Timer Model G9Digital Timer Timer Model G9-2Analog 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 Terminals EMI Filter Models FPG & FPG-2Funnel Sensing Coil Models MHG & G9-2 DBC Disconnect the harness from the memory clock board Memory Clock Board Model MHGDisplay Board Model MHG MOV1 Triac MAP for MHGControls Left Gate @ J1-1 Triac MAP for FPG-2 DBC and G9-2 DBCControls Relay @ J1-2 Controls Right Gate @ J1-350/60 HZ G9-2 DBC, G9-2T DBC W/SMART FunnelRelay Coil WHI/GRN 50 HZ Schematic Wiring Diagram G9-2TB DBC W/SMART FunnelSchematic Wiring Diagram MHG Volts AC, 120 Volts AC Wire + GndSingle PHASE, 50/60HZ 60 HZ Volts AC Wire Single PhaseWiring Diagrams Wiring Diagrams Schematic Wiring Diagram LPG Schematic Wiring Diagram LPG W/Capacitor Wiring Diagrams Schematic Wiring DiagramWiring Diagrams Schematic Wiring Diagram LPG-B Schematic Wiring Diagram G1, G2, G3 & G2 trifecta Volts AC Volts AC Wire Single Phase60 HZ 50 HZ Schematic Wiring Diagram G9A HDBLK WHI/RED WHI/YEL WHI/BLU SCHEMATICWIRINGDIAGRAMG9-2A HD Wiring Diagrams FPG 60 HZ Wiring DiagramsFPG-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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