SERVICE (Cont.)

RELAY (cont.)

Removal and Replacement (120 Volt and 240V 60 Hz Models):

1.Remove the wires from the relay terminals.

2.Remove the two #6-32 screws securing the relay bracket w/relay to the grinder base and remove bracket and relay as an assembly.

3.Remove the #6-32 screw securing the relay to the bracket and remove relay and discard.

4.Install new relay to the mounting bracket using one #6-32 screw,

5.Mount the new relay w/bracket to the grinder base using two #6-32 screws.

6.Refer Fig. 41 when reconnecting the wires.

Removal and Replacement (230 volt 50 Hz Models):

1.Remove the wires from the relay terminals.

2.Remove the two #6-32 screws securing the relay to the grinder base.

3.Remove relay and discard.

4.Install new relay to the grinder base using two #6-32 screw.

5.Refer Fig. 41 when reconnecting the wires.

WHI/VIO from

Switch to Relay

K-6

WHI/BLU from Motor to Relay K-4

WHI/RED from Switch to Relay K-7 & K-9

WHI to Main

Harness 120V (B)

RED/BLK to Main

Harness 240V (B)

WHI/ORN from Bag Sensor Switch (A)

WHI to Main Harness 120V(0) RED/BLK to Main Harness 240V(0)

WHI/RED from Switch to Relay K-2 & K-8

WHI/ORN from Bag

Sensor Switch(1)

WHI/VIO from

Switch to Relay K-6

WHI/BLU from

Motor to Relay K-4

120V AND 240 VOLT AC MODELS

120V AND 240 VOLT AC MODELS

WHI/VIO from

WHI to Main

Switch to Relay

Harness 120V (B)

K-6

RED/BLK to Main

 

Harness 240V (B)

WHI/BLU from

 

Motor to Relay

 

K-4

WHI/ORN from Bag Sensor

WHI/RED from

Switch (A)

Switch to Relay

 

K-7 & K-9

 

WHI to Main

Harness (0)

WHI/RED from

Switch to Relay

K-2 & K-8

WHI/ORN from Bag

Sensor Switch(1)

WHI/VIO from

Switch to Relay K-6

WHI/BLU from

Motor to Relay K-4

120 VOLT DC MODELS

120 VOLT DC MODELS

WHI/VIO from Switch to Relay K-6

WHI/BLU from Motor to Relay K-4

WHI/RED from Switch to Relay K-7 & K-9

RED from Main

Harness (B)

WHI/ORN from Bag Sensor Switch (A)

WHI/ORN from Bag

RED from MainSensor Switch(1) Harness (0)

WHI/RED from

WHI/VIO from

 

Switch to Relay

Switch to Relay K-6

K-2 & K-8

WHI/BLU from

 

 

 

 

Motor to Relay

K-4

230 VOLT AC 50 Hz MODELS

P1707

230 VOLT AC 50 Hz MODELS

P3696

EARLY MODELS

 

LATE MODELS

FIG. 41 RELAY TERMINALS

 

 

 

 

41

41545 122209

 

Page 41
Image 41
Bunn G9WD, LPG-2, G9-2T DBC, G1, FPG-2 service manual Relay, Early Models Late Models

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.