Bunn dispenser service manual Hopper Level Indicator

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SERVICE (cont.)

HOPPER LEVEL INDICATOR

Photo LED

Photo Transistor

P1932

FIG. 25 HOPPER LEVEL INDICATOR

Location:

The photo transistor and LED are located on the hopper side panels mounted just below the hopper guide rails.

Test Procedures:

Refer to the section CONTROL BOARD and LEVEL PROBE for test procedures.

Removal and Replacement:

1.Disconnect the dispenser from the power source and the water supply.

2.Remove the dispenser from the ULTRA machine and place it on a flat work surface.

3.Disconnect the door lamp cord from the lamp connector.

4.Remove the two #8-32 screws securing the door hinge to the dispenser housing.

5.Carefully pull the door forward until the door sup- port arms come completely out of the dispenser housing and set aside.

6.Remove the six #8-32 truss head screws securing the rear cover to the dispenser housing.

7.Remove the six #8-32 round head screws securing the front of the housing to the side panels.

8.Remove the six #8-32 truss head screws securing the back of the housing to the side panels.

9.Carefully lift and spread the housing to remove it from the rest of the dispenser.

10.Disconnect the photo transistor (J6) or LED (J2) plug from the control board.

11.Cut the cable tie securing the cable assembly to the cable tie mount.

12.Gently pull the photo transistor or LED from its mounting lens.

13.Pull the photo transistor or LED through the grom- met and free of the dispenser.

14.Snap the photo transistor or LED into the mounting lens and feed the cable end through the grommet.

15.Gently bend the cable flush to the cable tie mount and secure with new cable tie. Cut away excess cable tie.

16.Connect the photo transistor (J6) or LED (J2) plug to the control board.

17.Reassemble the dispenser top housing, rear panel, and door assembly to the dispenser.

18.Reconnect the dispenser to the power source and the water supply.

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Contents Bunn Powder Auto Fill Post Office BOX SPRINGFIELD, IllinoisBUNN-O-MATIC Commercial Product Warranty IntroductionUser Notices Initial SET-UP34561.0000 Operating Instructions Adjustments Recommended Daily Cleaning and Maintenance Tips CleaningRinse and dry each item thoroughly before reas- sembling Fault List Normal operation Powder Auto-Fill ready toDispense Door not closedTroubleshooting Problem Probable CauseRemedy ProblemPowder Auto-Fill hopper not in- stalled properly Control Board and Probe Auger DriveTransformer Water Strainer OptionalProblem Probable Cause Remedy Service Component AccessAuger Drive Components Hopper LidRetainer Clip Spacer Dust Seal Hopper BaseDiagrams and check wiring harness Auger Drive MotorFrother and MIXING/WHIPPER Chamber Mixing ChamberWhipper Motor Volts ac for 120 volt models Volts ac for 230 volt CE modelsInstall dispense tip into the bottom of the whipper chamber Whipper MotorIf voltage is present as described, proceed to #5 If voltage is present as described, proceed to #9Test Procedure Low Product Detect Instal the new control board using the four #6-32 keps nuts Remove the control boardDisconnect the wires from the switch terminals TEST/SERVICE SwitchLocation Main Power ON/OFF Switch Main Power ON/OFF SwitchLamp Cord Assembly Refer to when reconnecting the wiresDisconnect the lamp cord from the lamp cord connector Lamp Cord ConnectorRemove new nut and washer from new lamp cord connector Lamp HOLDER/SOCKET Assembly Close the dispenser doorTransformer TransformerPotentiometer PotentiometerHopper Level Indicator Hopper Level IndicatorHopper Switch Hopper SwitchDoor Switch Door SwitchAdjustments Pressure Regulator and Needle ValveDispense Solenoid Valve Dispense Solenoid Valve LocationWiring Diagrams Schematic Wiring Diagram PAFSchematic Wiring Diagram Pafa

dispenser specifications

The Bunn dispenser is a highly regarded name in the beverage service industry, known for its reliable coffee brewers, steeping equipment, and beverage dispensing solutions. These dispensers are designed with efficiency and quality in mind, making them a favorite in restaurants, cafes, and other foodservice establishments.

One of the main features of the Bunn dispenser is its rapid brewing capability. Utilizing a unique brewing system, Bunn dispensers can quickly brew large quantities of coffee, which is essential for high-demand environments. The machines are equipped with advanced heating technology that ensures water is brewed at the optimal temperature for extracting the best flavors from coffee grounds. This feature not only enhances the quality of the beverage but also significantly reduces waiting times for customers.

Another key characteristic of Bunn dispensers is their durability. Built with high-quality materials, these machines are designed to withstand the rigors of a busy kitchen environment. The robust construction ensures a long lifespan, minimizing the need for frequent repairs or replacements. Additionally, many models feature stainless steel components that are resistant to corrosion and easy to clean, maintaining hygiene standards while also looking professional.

Bunn dispensers are also known for their versatility. With a range of models available, including single and multi-hopper options, they can dispense various beverages, including coffee, tea, and iced drinks. This flexibility allows businesses to cater to different customer preferences without requiring multiple machines. Moreover, Bunn dispensers often come with programmable features, enabling users to customize brew strengths and volumes for optimal beverage consistency.

In terms of technology, Bunn has incorporated advanced digital controls and user interfaces in many of its models. These digital displays simplify operation, allowing staff to monitor brewing processes and receive alerts for maintenance requirements efficiently. Such technological integration enhances user experience and operational efficiency.

Energy efficiency is another consideration in the design of Bunn dispensers. Many models are equipped with energy-saving features, which help reduce power consumption during both operation and standby modes. This focus on sustainability not only lowers utility costs for businesses but also aligns with the growing consumer demand for environmentally responsible practices.

In conclusion, Bunn dispensers combine speed, durability, versatility, advanced technology, and energy efficiency, making them an excellent choice for any foodservice operation. Their ability to deliver high-quality beverages quickly and consistently makes them a pivotal asset for businesses aiming to provide an exceptional customer experience.