Bunn DV, H5X, H5E manual Electronic Controls, Liquid Level Control Flow Charts, Location

Page 8

SERVICE

Electronic Controls

Liquid Level Control Flow Charts

H5E, H5X LIQUID LEVEL CONTROL

PROBLEM: Does Not Refill

H 5

Overflow Cup Full

Yes

 

 

 

?

 

 

 

 

No

 

 

 

 

 

 

 

 

Disconnect Level Probe

 

 

 

 

 

 

 

 

Voltage present at

 

Yes

Solenoid Valve

 

 

 

?

 

 

 

 

No

 

 

 

 

 

 

 

Remove Power

Drain cup

Retry

Does Water Flow

?

No

Yes

Replace Probe

P4093.35

FIG. 8a ELECTRONIC CONTROL

Unplug Ready Lamp

 

 

 

 

 

 

 

 

Yes

Voltage present at

Solenoid Valve

 

 

?

 

 

Replace Solenoid Valve

Replace Ready Lamp

Triac Assy

No

Replace Control Board

H5E, H5X LIQUID LEVEL CONTROL

Electronic

Control Board

%811

H 10

P1991-1.30

FIG. 8b ELECTRONIC CONTROL

BOARD AND TRIAC

PROBLEM: Overflows

Drain cup

Unplug Ready Lamp

Retry

 

Overflow

No

 

?

 

Yes

Drain cup

Disconnect Probe

Wire From Probe

Short Probe Wire

To Chassis

Retry

Replace Ready Lamp

Location:

The electronic control board is located inside the rear of the dispenser. Access will also be needed to the temperature sensor, overflow tube temperature sensor, and liquid level probe located on the tank lid.

General:

This system controls the liquid level and water temperature of the dispenser. These two functions act independently of each other and should be tested separately.

Overflow

No

?

 

Yes

 

 

 

Drain cup

 

 

 

Disconnect Wire From

 

Solenoid Valve

 

Retry

 

 

Yes

Overflow

?

 

No

 

 

 

Replace Control Board

 

 

 

Replace Probe

Replace Solenoid Valve

8

42311 071310

 

Page 7 Page 9
Image 8
Page 7 Page 9
Contents H5E/DV PC Phone 217 529-6601 FAX 217BUNN-O-MATIC Commercial Product Warranty Contents 19-23Problem Probable Cause Remedy FlashesProblem Probable Cause Water boils continuously Temperature control Noises Water supply Ready indicator will not lightLime build-up Deposits. Delime as requiredComponent Access H5E/DV-PC/X Component Access H10XLocation Liquid Level Control Flow ChartsElectronic Controls Service Service Electronic ControlsLiquid Level Control Test Procedure H5X Thermostat Replace the electronic control board Location Limit thermostat is located on the tank lid Service Limit ThermostatTest Procedure Service Safety Overflow Switch Safety Overflow WiringService Solenoid Valve Late Models If voltage was present as described, proceed to #5Service Solenoid Valve Early Models Check for continuity across the tank heater termi- nals Service Tank HeaterLocation Tank heater is located in the tank lid Service Steam Sensor Thermistor Thermistor PositionService Dispense Valve PC Only Location Dispense Valve is located behind control panelSingle Phase 230V AC 2 Wire + GND Wire + GND Schematic Wiring Diagram H5E/H5X Wire + GND Single Phase
Related manuals
Manual 25 pages 51 Kb Manual 9 pages 10.17 Kb Manual 2 pages 44.15 Kb Manual 25 pages 6.43 Kb

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.
Top Page Image Contents