Bunn Liquid Coffee Ambient Dispenser LCA-2PC

Remove the lower splash guard assembly to access the digital programming module with LCD display

Open the cabinet door and set the Function Switch to the Rinse position. Close the door

Place a large container under the Left dispenser tip, then activate and hold the left dispenser

Dispense long enough to rinse all the concentrate out of the mix chamber and for the Conductance reading to stabilize and stop dropping

Record the nominal Conductance value displayed. This is the conductance reading of the water in your area

Repeat steps 3, 4 & 5 for the Right dispenser

Add 100 points to the larger of the Left or Right side Conductance value. This is the new Empty BIB threshold value for your dispenser

Enter this new value into the Empty BIB Alarm threshold

CAUTION: The dispenser must be disconnected from the power source throughout these steps

Disconnect the dispenser from the power source

Shut off and disconnect the incoming water supply

Pull out drain tube to empty into a sink or a container with a minimum of five-gallon capacity

Make sure drain clamp is closed. Then, remove drain plug

Be very careful with the draining water because it can be very hot

Direct tube into sink or container and open drain clamp. Continue draining tank until ALL of the water is out

Close drain clamp, insert drain plug, place drain tube back into machine, and replace splash panel

Select Prime on the Function Selector Switch and Run on the Mode Selector Switch

Remove the bag connector from the product box and disassemble or prop open the internal valve to allow free flow of product through the connector

Place the bag connector into a one-gallon (3.8 liter) container of warm soapy tap water 140°F (60°C)

Place an empty container under dispense tip and activate the corresponding Dispenser until the clean soapy water is dispensed from the dispense tip

Repeat steps 4 and 5 with warm tap water 140°F (60°C) to rinse the soapy water from the pump tubing

Continue dispensing until the water is clear, and no soapy water is being dispensed

Prepare 2.5 gallons (9.46L) of sanitizing solution by dissolving 1 packet of Kay 5 sanitizer into 2.5 gallons (9.46L) of 120°F (48.9°C) water to ensure 100 ppm of available chlorine

Again, repeat steps 4 and 5 with the sanitizing solution. Once sanitizing solution is visible, continue to dispense for 1 minute. Release handle and allow solution to sit for 5 minutes

NOTE: Replacement parts or service caused by failure to perform required maintenance is not covered by warranty

Replace pump hoses every 6-Months or as needed

The pumps and tubing used in the dispenser are designed to give maximum performance and long life. However, the tubes are a wear item and must be replaced periodically.

Rinse the pump tubing with warm tap water

Loosen the thumbscrew securing the tubing retainer plate to the pump housing

Depress the tension screw and remove it from the notch in the pump housing, releasing the spring tension on the pump band

Open the compression band and gently pull the pump tube from around the pump's rotor

Inspect the pump bands for signs of wear. Replace if necessary

Apply lubricant (BUNN-O-MATIC part number M2531.0001) to the new pump tubing's rotor side.

Locate the programming module and use the Arrow Down key to scroll through the LCD screen until 'CAL HOT WTR FLO?' appears

Did the unit dispense Hot Water for 20 seconds and then shut OFF automatically?

Measure the volume of water collected in the graduated container

Is the volume of water collected within the acceptable range of 32 - 38 Oz. (946 - 1124 ml)?

If the amount collected is not within the acceptable range, empty the container and repeat steps 2 & 3

If the amount collected is still not within range, inspect the hot water valve, tubing and fittings for lime, kinks, or other obstructions

When satisfied with the volume of concentrate collected, press the Down Arrow Key

The 'CAL HOT WTR VOL' screen will be displayed. Use the (-) / (+) keys to adjust number displayed to the amount measured in step 3

Press Down Arrow Key again to exit this function