Bunn H10X service manual Service Limit Thermostat, Test Procedure

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SERVICE (cont.)

Limit Thermostat

Limit Thermostat

Location:

The limit thermostats are located on the tank lid. To test the limit thermostats, access will also be needed to the terminal block located on the side of the dis- penser.

P1993

FIG. 5 LIMIT THERMOSTAT

Test Procedure:

1.Disconnect the dispenser from the power source.

2.There are two black wires on the limit thermostat terminals. One comes from the terminal block. The other goes directly to the tank heater terminal. Re- move the black wire at the limit thermostat coming from the terminal block.

3.Check the voltage across the black wire removed from the limit thermostat and the red wire of the terminal block with a voltmeter. Connect the dis- penser to the power source. The indication must be 200 to 240 volts ac for 200 to 240 volt models.

4.Disconnect the dispenser from the power source.

If voltage was present as described, reconnect the black wire and proceed to #5.

If voltage was not present as described, refer to the Wiring Diagrams and check the dispenser wiring har- ness.

5.Check for continuity across the terminals of the limit thermostat.

If continuity is not present as described, the circuit is broken. Press the reset button of the limit thermostat and recheck for continuity.

If continuity is not present as described, replace the limit thermostat.

Removal and Replacement:

1.Remove both wires from the limit thermostat ter- minals.

2.Remove the two #10-32 nuts attaching the limit thermostat to the top of the tank.

3.Install the new limit thermostat and secure into place with two #10-32 nuts.

4.Refer to FIG. 6 when reconnecting the wires.

BLK to Terminal Block

Reset

BLK to Tank Heater

P1776

FIG. 6 LIMIT THERMOSTAT WIRING

15

10889 091599

 

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Contents Bunn H10X Warranty User Notices 10044.000012593.0000 Electrical Requirements Plumbing RequirementsElectrical Hook-Up Cleaning Initial SET-UPDraining the Dispenser Els TroubleshootingEquipment will not operate No power or incorrect voltage Overflow protection switchTroubleshooting Water flows into the tank continu Solenoid valveLimit thermostat Water is cold Tank heater Temperature controlWater boils continuously Temperature control Replace the indicator LEDComponent Access ServiceGeneral To the triac assembly located on the insideLocation Rear wallLiquid Level Control Test Procedure Service Electronic ControlsVolts ac for 200 to 240 volt models while the red Temperature Control Test ProcedureBe replaced as a set With a voltmeter. Connect the dispenser toElectronic Control Removal and Replacement Replace the triac assemblyService Electronic Controls Test Procedure Service Limit ThermostatOverflow Protection Switch Service Overflow Protection SwitchHot Service Solenoid ValveLift out the solenoid valve Solenoid Valve WiringTank Heater Service Tank HeaterWiring Diagram
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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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