Draining The Hot Water - Bunn LCA-1 Installation & Operating Manual

CALIBRATION OF THE CONCENTRATE PUMP & DISPENSER FLOW RATE
Calibrating the Dispenser Flow Rates.
1. Select RINSE on the Selector Switch.
2. Press the Down Arrow switch to display the Flow Rate calibration menu "2 run"
3. Place a container under dispense tip and depress the dispense switch until a steady stream of water comes
out the tip (5 to 10 seconds).
4. Stop dispensing and allow the tip to stop dripping. Discard the water collected
5. Place a 1000 ml graduated container under dispense tip.
6. Press & Hold the dispense switch. The dispenser will display a 20 second count down timer and then stop
dispensing automatically. You can abort the calibration and stop the dispense by releasing the switch.
7. Keep the graduated container under dispense tip until all the water stops dripping.
8. Measure the volume of water collected in the graduated container.
The acceptable range for the volume of water collected is 700 to 820 ml
9. If the amount of water collected is not within the acceptable range, empty the graduated container and repeat
STEPS 5 – 8.
10. If the amount collected is still not within range, inspect the dispense valves, tubing and mix chamber for lime,
kinks or other obstructions.
11. When satisfied with the volume of water collected, press the Down Arrow switch. The current Water Calibra-
tion volume "2 .XX0" will be displayed.
12. Use the (-) or (+) keys to adjust number displayed to the amount measured in STEP 8 in Liters, (not ml).
CAUTION: The dispenser must be disconnected from the power source throughout these steps.
1. Disconnect the dispenser from the power source.
2. Shut off and disconnect the incoming water supply.
3. Remove the rear access panel.
4. Close the tube clamp on the hose from the inlet valve to the tank.
5. Remove the hose from the inlet fitting and direct it into a 150 Oz (4.5L) or larger container.
6. Open the tube clamp. Continue draining tank until ALL of the water is out. Be careful when draining the water
as it may be very hot.
7. Reconnect the tube to the inlet valve.
8. Leave the tube clamp open and replace the rear access panel.
Note: The dispenser must be refilled using the Initial Fill & Heat steps before reconnecting the power source.
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DRAINING THE HOT WATER TANK
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