Bunn Dual TF DBC User Manual download pdf (Page 35)

Page 35

release DONE to advance to next function screen,

CALIBRATE FLOW. Another alternative is to press

and release either ON/OFF switch located on the

front switch panel to exit the BYPASS OZ/M func-

tion and return to the MAIN SCREEN.

CALIBRATE FLOW

This function allows the operator to enter the actual

ﬂ ow rate of the sprayhead and the bypass for each

side of the brewer by dispensing both separately for

one minute. The volumes are then entered in ounces

per minute (OZ/M).

Procedures to calibrate the sprayhead ﬂ ow rate:

1. Place a container, accurately graduated in ounces,

and with a minimum capacity of 60 ounces, be-

neath the funnel on the side of the brewer to be

calibrated.

2. Press and hold upper right hidden switch until the

display reads UNITS. Release switch. Continue

to press and release switch until 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 YES. The display should read

CONTAINER READY? If the container is under

the funnel, press YES. The display should read

CALIBRATE SPRAY .. PRESS BREW TO START.

5. Press and release the BREW switch on the side to

be calibrated. The display should read CALIBRATE

SPRAY .. 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, along with a number signifying ounces

per minute.

6. Measure the amount of water in the container

and using the (-) or (+), adjust the amount on the

display to match the amount in the container. Then

press DONE.

7. The display should now read NEW L or R SPRY

FLOW, along with the correct ﬂ ow rate of the

sprayhead in ounces per minute. After about 5

seconds, the display will return to the CALIBRATE

FLOW screen.

8. To exit the CALIBRATE FLOW program, press NO

to advance to the next function screen, or press

PROGRAMMING THE BREWER (cont.)

Procedure to adjust the ﬂ ow rate setting:

1. Press and hold upper right hidden switch until the

display reads UNITS. Release switch. Continue to

press and release switch until the display reads

L SPRY OZ/M. The number represents what the

brewer thinks is the ﬂ ow rate of the sprayhead in

ounces per minute.

2. If the actual ﬂ ow rate of the sprayhead is known,

but is different than the number on the display,

use the (-) and (+) to enter the correct ﬂ ow rate

in ounces per minute.

3. When ﬁ nished, press and release DONE. This saves

the new setting and advances to R SPRY OZ/M.

When ﬁ nished setting the right side, press and

release DONE to advance to next function screen,

L BYPS OZ/M. Another alternative is to press and

release either ON/OFF switch located on the front

switch panel to exit R SPRY OZ/M function and

return to the MAIN SCREEN.

BYPASS OZ/M

This function allows the operator to view or to enter

the actual ﬂ ow rate coming out of the bypass nozzle.

This is NOT used to change the actual ﬂ ow rate, but to

tell the internal controller how fast the water is ﬂ owing.

The unit of measure is ounces per minute.

P2721

L BYPS OZ/M: XXX

(-) DONE (+)

Procedure to adjust the ﬂ ow rate setting:

1. Press and hold upper right hidden switch until

display reads UNITS. Release switch. Continue

to press and release switch until display reads L

BYPASS OZ/M. The number represents what the

brewer thinks is the ﬂ ow rate of the bypass valve

in ounces per minute.

2. If the actual ﬂ ow rate of the bypass valve is known,

but is different than the number on the display,

use the (-) and (+) to enter the correct ﬂ ow rate

in ounces per minute.

3. When ﬁ nished, press and release the DONE. This

saves the new setting and advances to R BYPS

OZ/M. When ﬁ nished setting right side, press and

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Bunn Dual TF DBC User Manual Page 35

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