Bunn H5E, H5X, DV manual Service Tank Heater, Location Tank heater is located in the tank lid

Page 16

SERVICE (cont.)

Tank Heater

Location:

The tank heater is located in the tank lid.

H 5

P4093

FIG. 16a TANK HEATER

H 10

P1993

FIG. 16b TANK HEATER

Test Procedure:

1.Disconnect the dispenser from the power source.

2.Check the voltage across the terminals of the tank heater with a voltmeter. Connect the dispenser to the power source. The indication must be:

a.) 100 to 120 volts ac for 100 to 120 volt models or

b.) 200 to 240 volts ac for 200 to 240 volt models or

c.) 230 volts ac for 230 volt models.

3.Disconnect the dispenser from the power source.

If voltage is present as described, proceed to #4.

If voltage is not present as described, replace the tank heater.

4.Remove the tank heater from the tank lid and in- spect it for cracks in the sheath.

If the sheath shows no sign of damage, proceed to #5. If the sheath is damaged, replace the tank heater.

5.Check for continuity across the tank heater termi- nals.

If continuity is present as described, reinstall the tank heater. The tank heater is operating properly.

If continuity is not present as described, replace the tank heater.

Removal and Replacement:

1.Remove the wires to the tank heater.

2.Remove the 8-32 nuts from the tank heater flange.

3.Remove the tank heater.

4.Inspect the tank heater gasket and replace if neces- sary.

5.Securely install the new tank heater. Be certain of a watertight seal.

6.Reconnect the wires, FIG. 10.

BLU to Control

BLK to Limit

Board Relay

Thermostat

P1780

FIG. 16c TANK HEATER WIRING

HEATER

RESISTANCE

1800W-120V

07.44

- 08.67

4000W-240V

13.43

- 15.51

4000W-208V

10.09

- 11.99

6000W-240V

08.85

- 10.23

6000W-208V

06.67

- 07.70

TERMINAL TO SHEATH - INFINITE (OPEN)

16

42311 071310

 

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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 H10XElectronic Controls Liquid Level Control Flow ChartsLocation Liquid Level Control Test Procedure Service Electronic ControlsService H5X Thermostat Replace the electronic control board Test Procedure Service Limit ThermostatLocation Limit thermostat is located on the tank lid Service Safety Overflow Switch Safety Overflow WiringService Solenoid Valve Late Models If voltage was present as described, proceed to #5Service Solenoid Valve Early Models Location Tank heater is located in the tank lid Service Tank HeaterCheck for continuity across the tank heater termi- nals 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
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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.
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