Bunn Electric Brewing System LCR-2 - Manual (Page 32)

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Dispenser Flow Rate Calibration
13. Press Down Arrow Key to display the CAL LF WTR FLO menu screen.
14. Place a 64 Oz (2000 ml) graduated container under Left Dispense Tip and Pull the Left Dispense Handle
momentarily. The dispenser will dispense water for 20 seconds and then shut OFF automatically.
15. Keep the graduated container under dispense tip until all the water stops dripping.
16. Measure the volume of water collected in the graduated container.
Acceptable ranges for the volume collected
_____Dispenser Flow Rate___________ ____Volume Collected____
1.8 Oz/sec (53 ml/sec) w/ flow restrictor 32 - 38 Oz, (946 - 1124 ml)
2.5 Oz/sec (74 ml/sec) w/o flow restrictor 46 - 52 Oz ,(1360 - 1538 ml)
17. If the amount collected is not within the acceptable range, empty the graduated container and repeat
STEPS 14 – 16
18. If the amount collected is still not within range, inspect the dispense valves, tubing and mix chamber for
lime, kinks or other obstructions.
19. When satisfied with the volume of concentrate collected, press the Down Arrow Key.
20. The CAL LF WTR VOL screen will be displayed. Use the (-) / (+) keys to adjust number displayed to the
amount measured in STEP 16.
21. Press Down Arrow Key again to exit the CAL LEFT SIDE functions.
Calibrating the Right Side Dispenser
Repeat STEPS 1-21 above for the “CAL RIGHT SIDE” menus.
Field Calibration of the Concentrate Pumps / Dispenser Flow Rates
(Continued)
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Field Calibrating the Hot Water Flow Rate
1. Locate the programming module and use the Arrow Down key to scroll through the LCD screen until “CAL
HOT WTR FLO?” appears.
2. Place a 64 Oz (2000 ml) graduated container under Hot Water Tip and press the hot water switch. The unit
will dispense Hot Water for 20 seconds and then shut OFF automatically. Keep the graduated container under
the dispense tip until all the water stops dripping.
3. Measure the volume of water collected in the graduated container. The acceptable range for the volume
collected is 32 - 38 Oz. (946 - 1124 ml).
4. If the amount collected is not within the acceptable range, empty the container and repeat steps 2 & 3.
5. If the amount collected is still not within range, inspect the hot water valve, tubing and fittings for lime, kinks,
or other obstructions.
6. When satisfied with the volume of concentrate collected, press the Down Arrow Key.
7. The “CAL HOT WTR VOL” screen will be displayed. Use the (-) / (+) keys to adjust number displayed to the
ammount measured in step 3.
8. Press Down Arrow Key again to exit this function.