Bunn H5X, H5E, DV service manual Contents

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

 

CONTENTS

TroubleShooting

4

Component Access

7

Electronic Controls

8-11

Limit Thermostat

12

Safety Overflow Switch

13

Solenoid Valve (Late Models)

14

Solenoid Valve (Early Models)

15

Tank Heater

16

Steam Sensor

17

Dispense Valve (PC)

18

Schematic Wiring Diagrams

19

3

42311 071310

 

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Contents Phone 217 529-6601 FAX 217 H10X/H5X H5E/DV PC H5 ElementBUNN-O-MATIC Commercial Product Warranty Contents Remedy Fault CodesProblem Flashes Description of FailureProblem Probable Cause Remedy Deposits. Delime as required Water boils continuously Temperature controlNoises Water supply Ready indicator will not light Lime build-upComponent Access H10X Component Access H5E/DV-PC/XLocation ServiceLiquid Level Control Flow Charts Electronic ControlsService Electronic Controls Liquid Level Control Test ProcedureService H5X Thermostat Replace the electronic control board Location Limit thermostat is located on the tank lid Service Limit ThermostatSafety Overflow Wiring Service Safety Overflow SwitchIf voltage was present as described, proceed to #5 Service Solenoid Valve Late ModelsService Solenoid Valve Early Models Service Tank Heater Location Tank heater is located in the tank lidCheck for continuity across the tank heater termi- nals Thermistor Position Service Steam Sensor ThermistorLocation Dispense Valve is located behind control panel Service Dispense Valve PC OnlyTest Procedures Removal and ReplacementSingle Phase Early H5E, H5X, H10X Install jumper thru ver120V AC 2 Wire + GND 120/208V AC 3 Wire + GND 120/240V AC 3 Wire + GNDSchematic Wiring Diagram H5E-PC 230V AC 2 Wire + GNDH5-PC Schematic Wiring DiagramWire + GND Schematic Wiring Diagram H5E/H5X Relay Schematic Wiring Diagram H5XA, H5EA CESingle Phase Schematic Wiring Diagram H5 Element
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DV, H5E, 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.