Bunn H10X manual Replace the triac assembly, Electronic Control Removal and Replacement

Page 13

SERVICE (cont.)

Electronic Controls (cont.)

11. Disconnect the dispenser from the power source.

If voltage was present as described, return the new triac assembly to Bunn-O-Matic for credit. The temperature control of the system is operating properly. If voltage was not present as described, reinstall your existing electronic control assembly and temperature sensor, and proceed to #12

12.Replace the triac assembly.

13.Check the voltage across the tank heater terminals with a voltmeter. Connect the dispenser to the power source. The indication must be 200 to 240 volts ac for 200 to 240 volt models while the red indicator on the circuit board is on or blinking.

14.Disconnect the dispenser from the power source.

If voltage was present as described, the temperature control of the system is operating properly. Return the new electronic control assembly and temperature sensor to Bunn-O-matic for credit.

5.Install the new temperature sensor into the grom- met on the tank lid. Route the wires to the location of the new electronic control assembly.

6.Attach the temperature sensor, overflow tube temperature sensor, and indicator wires to the electronic control assembly.

7.Fasten the new electronic control assembly to its bracket.

8.Reconnect the wires.

9.Review the initial set-up procedures.

BLU to Triac Assy

TAN to Triac Assy

BLU to Triac Assy

TAN to Triac Assy

PNK to Liquid Level Probe

RED to Terminal block

RED to Solenoid

BLK to Overflow Safety Switch

GRN to Chassis Ground

WHI/BLU to Solenoid

Electronic Control Removal and Replacement

FIG. 2 WIRING CONNECTIONS

P1992

NOTE - Each electronic control assembly is calibrated to a temperature sensor probe. Both components MUST be replaced as a set.

1.Remove all wires from the electronic control as- sembly terminals.

2.Remove the two 8-32 screws holding the electronic control assembly to the component bracket.

3.Disconnect the temperature sensor, overflow tube temperature sensor, and indicator wires from the left side of the electronic control assembly board.

4.Remove the temperature sensor from the grommet in the tank lid.

WHI & WHI to

 

Temperature Sensor

 

PNK & GRY to

P1

 

Heater Indicator

P2

Refill Indicator

Power Indicator

 

Ready Indicator

 

GRY & GRY

 

to Thermistor

P101

 

P1992

FIG. 3 WIRING CONNECTIONS

13

10889 091599

 

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Contents H10X BUNN-O-MATIC Commercial Product Warranty 12537.0000 User NoticesPlumbing Requirements Electrical RequirementsElectrical Hook-Up CE Requirements CleaningInitial SET-UP Draining the DispenserTroubleshooting Troubleshooting Water boils continuously Temperature control Temperature controlTemperature is within 4˚ of its se Lected setting Water is cold Tank heaterComponent Access ServiceElectronic Control and Triac Liquid Level Control Test Procedure Service Electronic ControlsService Electronic Controls Electronic Control Removal and Replacement Replace the triac assemblyService Electronic Controls Test Procedure Service Limit ThermostatLocation Overflow Protection Switch Service Overflow Protection SwitchSolenoid Valve Service Solenoid ValveLift out the solenoid valve Solenoid Valve WiringTank Heater Service Tank HeaterVolts AC Wiring Diagram Schematic Wiring Diagram H10XA
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H10X specifications

The Bunn H10X is a state-of-the-art coffee brewer designed for both commercial and high-demand home environments. Renowned for its reliability and superior performance, the H10X is engineered to deliver exceptional coffee quality while streamlining the brewing process.

One of the main features of the Bunn H10X is its capacity to brew large quantities of coffee efficiently. It boasts a 10-gallon tank, allowing it to produce up to 20 gallons of freshly brewed coffee in just one hour. This makes it an ideal choice for offices, cafes, and businesses that require a constant supply of coffee for their customers or employees.

The H10X is equipped with advanced brewing technology that ensures optimal extraction of flavor from coffee grounds. Its patented Pulse Brew feature enhances the brewing process by controlling the flow of water through the coffee grounds, enhancing flavor extraction and improving the overall taste profile. This technology is particularly beneficial for specialty coffees, where nuanced flavors are essential.

Additionally, the Bunn H10X incorporates a digital thermal control system, allowing users to adjust brewing temperatures for their specific coffee types. This precise control ensures that the coffee is brewed at the ideal temperature, maximizing flavor and aroma while minimizing bitterness. The machine also features a built-in water tank heater, providing consistent brewing temperatures throughout the day.

User-friendliness is another hallmark of the H10X. The intuitive interface includes programmable options for brewing strength and timing, enabling users to customize their coffee experience easily. An LCD display provides real-time updates on brewing status, making it simple to monitor the process.

Durability is a key characteristic of the Bunn H10X. Constructed from high-grade materials, this coffee brewer is built to withstand the demands of a bustling environment. Enhanced insulation keeps coffee hot for extended periods while reducing energy consumption.

For ease of maintenance, the H10X features a removable brew basket and a straightforward cleaning process. This design not only helps maintain the unit's performance but also extends its lifespan.

In summary, the Bunn H10X is a powerful, efficient, and user-friendly coffee brewer that stands out in the marketplace. With its impressive capacity, advanced brewing technologies, and robust construction, it is an ideal choice for anyone seeking a high-quality coffee solution.
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