Bunn VPR APS service manual Service

Page 9

SERVICE (cont.)

Location:

The control thermostat is located inside the hood on the left end of the mounting bracket.

Test Procedures:

1.Disconnect the brewer from the power source.

2.Locate the black wire on the control thermo- stat.

3.Check voltage across the black wire on the control thermostat and the white wire on the tank heater with a voltmeter. Plug-in the brewer to the power source. The indication must be 120 volts ac.

4.Disconnect the brewer from the power source.

If voltage is present as described, proceed to #5.

If voltage is not present as described, refer to the wiring diagram and check the brewer wiring harness.

5.Locate the blue/black wire on the control ther- mostat.

6.Gently remove the capillary bulb and grommet from the tank.

7.Check voltage across the blue/black wire of the control thermostat and the white wire on the tank heater with a voltmeter when the control thermostat is turned "ON" (fully counterclockwise for thermostat with tee handle control or fully clockwise for thermostats with control knob). Plug-in the brewer to the power source. The indication must be 120 volts ac.

Voltage must not be present across these terminals when the thermostat is turned "OFF" (fully counter- clockwise).

8.Disconnect the brewer from the power source.

If voltage is present as described, reinstall the capillary tube into the tank to the line 4.5" above the bulb, the control thermostat is operating properly.

If voltage is not present as described, replace the thermostat.

Removal and Replacement:

1.Remove wires from control thermostat leads or terminals.

2.Remove the thermostat capillary bulb by firmly pulling-up on the capillary at the tank lid. This will disengage the grommet from the tank lid.

BLK to Terminal Block

BLU/BLK to Limit Thermostat or Thermal Cut-Off

P1252

FIG.4 CONTROL THERMOSTAT TERMINALS

3.Remove two #8-32 screws securing the control thermostat to the mounting bracket inside the hood.

4.Slide the grommet to the line 4.5" above the bulb on the new capillary tube.

5.Insert the capillary bulb through the hole in the tank lid and press the grommet firmly and evenly so that the groove in the grommet fits into the tank lid.

6.Carefully bend the capillary tube so that the tube and bulb inside the tank are in the vertical posi- tion.

NOTE - The capillary tube must be clear of any electri- cal termination and not kinked.

7.Using two #8-32 screws secure the control thermostat to the mounting bracket inside the hood.

8.Refer to Fig. 4 when reconnecting the wires.

9.Adjust the control thermostat as required

Page 9

39064 042806

 

Page 8 Page 10
Image 9
Page 8 Page 10
Contents VPR TC VPR APS BUNN-O-MATIC Commercial Product Warranty IntroductionReturn Policy Avertissement User NoticesElectrical Requirements CleaningInitial SET-UP Coffee BrewingProblem Probable Cause Remedy TroubleshootingWater Temperature Problem Probable CauseProbable Cause Remedy ProblemService Component AccessControl Thermostat Service Tank Heater Limit ThermostatTank Heater Terminals VPR, VPR TC & VPR APS Volts a C Wire

VPR APS specifications

The Bunn VPR APS is a commercial coffee brewer designed for businesses that require a reliable and efficient solution for brewing large quantities of coffee. This equipment is particularly well-suited for restaurants, offices, convenience stores, and other settings where high-demand for coffee is prevalent. With its robust construction and advanced brewing technology, the VPR APS ensures consistent flavor and quality with every batch.

One of the standout features of the Bunn VPR APS is its capacity. The machine can brew up to 3.8 gallons of coffee per hour, making it capable of keeping up with busy service demands. The unit is equipped with two glass decanters, allowing users to have a ready supply of freshly brewed coffee on hand. Additionally, the VPR APS comes with an automatic faucet, which enables easy serving of coffee straight from the brewer into cups or containers, promoting efficiency during peak hours.

The Bunn VPR APS utilizes a unique brewing technology known as the "infusion series," which optimizes the coffee extraction process. This system allows for precise control over water temperature and flow rate, ensuring that the coffee is brewed at the ideal conditions. This level of control not only enhances the flavor profile of the coffee but also contributes to the consistency across different brews.

Another important characteristic of the Bunn VPR APS is its user-friendly interface. The machine is designed with ease of use in mind, featuring intuitive controls and simple operation. This allows staff to quickly learn how to use the machine, minimizing downtime and maximizing productivity.

Moreover, the Bunn VPR APS is constructed with durability in mind. Its stainless steel exterior not only gives it a professional appearance but also makes it resistant to rust and wear. This sturdiness ensures that the machine can withstand the rigors of a busy commercial environment.

Convenience is further enhanced with the Bunn VPR APS's ability to be plumbed or operated with a portable water tank, providing versatility based on the needs of the establishment.

In summary, the Bunn VPR APS stands out in the market for its high brewing capacity, advanced extraction technology, ease of use, durability, and versatility. It's an ideal choice for businesses looking to serve high-quality coffee efficiently.
Top Page Image Contents