Bunn H5X service manual Service, Component Access

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SERVICE

This section provides procedures for testing and replacing various major components used in this dispenser should service become necessary. Refer to Troubleshooting for assistance in determining the cause of any problem.

Component Access

WARNING – Disconnect the dispenser from the power source before the removal of any panel or the replace- ment of any component.

P1770

P1770

The limit thermostat, liquid level probe, tank heater, and temperature sensor are located at the top of the dispenser. Access is gained by removing the top lid, attached with three 4-40 slotted-head screws.

NOTE - Completely drain the tank before tipping the dispenser.

WARNING – Inspection, testing, and repair of electrical equipment should be performed only by qualified service personnel. Disconnect the dispenser from the power source when servicing, except when electrical tests are required and the test procedure specifically states to connect the dispenser to the power source.

The check valve, electronic control board, safety overflow switch, solenoid valve, overflow tube tempera- ture sensor and terminal block are located at the rear of the dispenser. Access is gained by removing the upper and lower rear panels. The upper is attached with six 8-32 slotted-head screws. The lower is attached with four 8-32 slotted-head screws. The middle panel must not be removed from the dispenser.

P1770

Electronic Controls

10

Limit Thermostat

17

Safety Overflow Switch

18

Solenoid Valve

19

Tank Heater

20

Electronic Control Board Troubleshooting: Check these items first

Is circuit board popped-out of bracket?

Is circuit board wet due to misaligned overflow tube?

Is water in overflow cup activating float switch?

Is overflow cup not making good contact with tank?

Is dispenser being operated with panels re- moved?

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10420.1 040309

 

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Contents H5E, H5X BUNN-O-MATIC Commercial Product Warranty Contents IntroductionUser Notices Electrical Requirements CE RequirementsElectrical Hook-Up Plumbing Requirements Initial SET-UPPlumbing Hook-Up Programming Level 1 ProgrammingRestoring Factory Defaults Level 2 ProgrammingCleaning Wall Mounted InstallationDraining the Dispenser Support for Large ReceptaclesTroubleshooting Problem Probable Cause RemedyFlashes Equipment will not Operate Safety overflow switch Water boils continuously Temperature control Service Component AccessService Electronic Controls LocationLiquid Level Control Test Procedure H5X Thermostat Wiring Connections Service Limit Thermostat Test ProcedureService Safety Overflow Switch Safety Overflow SwitchService Solenoid Valve Solenoid ValveService Tank Heater Tank HeaterSchematic Wiring Diagram H5E Schematic Wiring Diagram H5X Volts AC RED Schematic Wiring Diagram H5XA, H5EA
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H5X specifications

The Bunn H5E and H5X coffee machines represent a leap forward in brewing technology, specifically tailored for commercial use. Both models focus on delivering high-quality coffee while maximizing efficiency, making them ideal choices for busy cafés and restaurants.

The Bunn H5E features a unique 5-liter dual tank system, which allows for faster brewing times and reduces wait periods for customers. This dual tank setup facilitates the simultaneous preparation of multiple coffee types, catering to a diverse clientele. The H5X, on the other hand, is equipped with advanced electronic controls that permit precise temperature adjustments to ensure that the ideal brewing conditions are maintained, enhancing flavor extraction.

One of the standout features of both models is the patented BrewOptimized Technology. This technology helps maintain optimal water temperature and consistent flow rates throughout the brewing process, ensuring that each cup of coffee meets the high standards expected in commercial settings. Additionally, the units utilize a patented stainless steel brew basket that enhances durability and simplifies cleaning, making maintenance less of a chore for busy staff.

Another significant characteristic of the H5E and H5X is their programmable settings, which allow operators to customize brewing parameters according to their specific preferences or customer needs. This flexibility means that establishments can experiment with various coffee profiles, ensuring that they serve only the best products to their patrons.

Safety is also a priority in the design of these machines. The H5E and H5X come equipped with built-in safety features such as automatic shut-off and thermal overload protection, which help to prevent accidents and enhance longevity. Moreover, their compact design allows for easy installation in a variety of settings, whether it's a small coffee stand or a large restaurant operation.

Both the Bunn H5E and H5X models are energy-efficient, with features that minimize power consumption without compromising performance. This focus on sustainability not only helps reduce overhead costs but also appeals to environmentally conscious consumers.

In summary, the Bunn H5E and H5X coffee machines are engineered for high performance, reliability, and versatility. With features designed to provide quick, quality coffee while ensuring ease of operation and maintenance, these machines are ideal for any establishment that takes its coffee seriously. Whether you’re brewing for a crowd or crafting specialty drinks, the H5E and H5X stand ready to deliver excellent results every time.