Bunn DUAL068000 manual CALIBRATE FLOW cont Procedures to calibrate the bypass flow rate

PROGRAMMING THE BREWER (cont.)

CALIBRATE FLOW (cont.)

Procedures to calibrate the bypass flow rate:

1.Place a container, accurately graduated in ounces, and with a minimum capacity of 60 ounces, below the funnel on the brewer to be calibrated.

2.Press and hold the upper right hidden switch until the display reads UNITS. Release the switch. Con- tinue to press and release switch until the display reads CALIBRATE FLOW?.

3.Press and release YES to advance to the SPRAY HEAD CAL? function screen. (Pressing NO in the CALIBRATE FLOW screen will advance to the next function screen, BREW COUNTERS).

4.Press and release NO to advance to the BYPASS CALIBRATION screen.

5.Press and release YES. The display should read CONTAINER READY? If the container is under the funnel, press YES. The display should read CALI-

BRATE BYPASS .. PRESS BREW TO START.

6.Press and release the BREW switch (on the side to be calibrated on DUAL brewers). The display should read CALIBRATE BYPASS .. 60 SEC TO FINISH. The 60 second timer on the display will count down to zero. When the counter reaches zero, the display will change to:

ENTER OZ. (SINGLE brewers)

LEFT or RIGHT OZ. (DUAL brewers), along with a number.

7.Measure the amount of water in the container, and using (-)or (+), adjust the amount on the display to match the amount in the container. Then press DONE.

8.The display should now read:

NEW BYPS FLOW (SINGLE brewers)

NEW L or R BYPS FLOW (DUAL brewers), along with the correct flow rate of the bypass in ounces per minute. After about 5 seconds, the display will return to the CALIBRATE FLOW screen.

9.Repeat steps 1 - 9 when calibrating the other side for DUAL brewers.

10.To exit the CALIBRATE FLOW function, press and release NO to advance to next function screen, or press and release the ON/OFF switch (either on DUAL brewers) located on the front switch panel to exit the CALIBRATE FLOW function and return to the MAIN SCREEN.

		CALIBRATE FLOW?
		NO	YES
EXIT TO
NEXT FUNCTION
SCREEN
		SPRAYHEAD CAL?
		NO	YES
		BYPASS CAL?
		NO	YES
		CONTAINER READY?
		NO	YES
		CALIBRATE BYPASS
		PRESS BREW START
		BREW PRESSED
COUNTS DOWN		CALIBRATE SPRAY
		60 SEC TO FINISH
TO ZERO
		AFTER 1 MINUTE
		SINGLE	DUAL
		BREWERS	BREWERS
			Left or Right
	OZ XX.X		LEFT OZ XX.X
(-)	DONE	(+)	(-)	DONE	(+)
			L or R
NEW BYPS FLOW			NEW L BYPS FLOW
	XX.X OZM			XX.X OZM
	5 sec			5 sec

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