Bunn DUAL GPR-DBC WITH SMART FUNNEL 41343 - Manual (Page 33)

Page 33
PROGRAMMING FUNCTIONS - (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 BYPASS
PRESS BREW START
NEW L BYPS FLOW
XX.X OZM
LEFT OZ XX.X
(-) DONE (+)
NEW BYPS FLOW
XX.X OZM
OZ XX.X
(-) DONE (+)
5 sec 5 sec
CALIBRATE FLOW?
NO YES
SPRAYHEAD CAL?
NO YES
CONTAINER READY?
NO YES
BYPASS CAL?
NO YES
CALIBRATE SPRAY
60 SEC TO FINISH
BREW PRESSED
COUNTS DOWN
TO ZERO
AFTER 1 MINUTE
Left or Right
L or R
SINGLE
BREWERS
DUAL
BREWERS
EXIT TO
NEXT FUNCTION
SCREEN
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