SERVICE (Cont.)

Timer (Model G9)

 

S

 

 

 

E

TIC

 

 

MINUT-MA

VAC

 

 

-O 120

 

 

BUNN0-

 

 

P/N

262

 

 

Single set timer shown

 

 

 

Multi set timer (Urn/Carafe) similar

 

FIG 50 TIMER

P1312

 

Location:

The timer is located on the timer bracket in the grinder base. The bracket can be removed by loosening the two 8-32 screws beneath the timer dial(s).

Test Procedure:

1.Disconnect the grinder from the power supply.

2.Check the voltage across terminals TL1 & TL2 with a voltmeter when the “Off/On/Start switch is placed in the “START” (right) position and released. Con- nect grinder to the power supply. The indication must be:

(a)120 volts ac for two wire 120 volt models.

(b)240 volts ac for two wire 240 volt models.

3.Disconnect the grinder from the power supply.

If voltage is present as described, proceed to step 4.

6.Check the voltage across terminals TL1 and TL4 with a voltmeter when the Off/On/Start switch is placed in the “START” (right) position and released. Connect grinder to the power supply. The indication must be:

(a)120 volts ac for two wire 120 volt models.

(b)240 volts ac for two wire 240 volt models.

7.Disconnect the grinder from the power supply.

If voltage is present as described, the timer is operating properly. Refer to the Adjustments section to vary the amount dispensed.

If voltage is not present as described, replace the timer.

Removal and Replacement:

1.Remove all wires from the timer terminals.

2.Remove the four 6-32 screws and nuts holding the circuit board to the timer bracket.

3.Remove the two 6-32 screws and nuts holding the dial plate to the timer bracket.

4.Install the new dial plate and circuit board to the timer bracket.

5.Refer to the illustration below when reconnecting the wires.

6.Refer to the Adjustments section to vary the amount dispensed.

WHI/RED to Relay N.O.

WHI/RED to

Off/On/Start Switch

If voltage is not present as described, refer to the Wiring Diagram and check the grinder wiring harness.

4.Remove the white/orange and white/yellow wires from terminals TL3 & TL5.

5.Check for continuity across the white/orange and white/yellow wires when the Off/On/Start switch is placed in the “START” (right) position.

2

3

 

 

 

 

 

 

 

 

4

P/NBUNNMINUTES-

 

5

 

O-

C

 

 

2620- MA

 

 

TI

C

 

120

 

 

 

VA

WHI to Cordset (120 v) RED/BLK to Cordset (240 v)

WHI/ORA to

Off/On/Start Switch

WHI/GRN to Relay Coil

WHI/YEL to

Off/On/Start Switch

If continuity is present as described, reconnect the white/orange wire to terminal TL3 and the white/yellow wire to terminal TL5, and proceed to step 6.

If continuity is not present as described, refer to the Wir- ing Diagram and check the grinder wiring harness.

Single set timer shown

Multi set timer (Urn/Carafe) connections are the same

P1313

FIG 51 TIMER TERMINALS

48

41545 122209

 

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Page 48
Image 48
Bunn LPG-2, G9WD, G9-2T DBC, G1, FPG-2 service manual Timer Model G9, Timer Terminals
Page 47 Page 49

FPG-2, G1, FPG, G9-2T DBC, G9-2 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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