FP4000 Rev0204
29
Flow Calibration, Multiple Point (Code 322)
This function allows for the display to be calibrated at multiple flow rates. It corrects
for nonlinear flow in difficult to plumb locations to provide an accurate flow rate
display.
Select flow rates to calibrate (up to 10 calibration points) that are within the most
commonly used flow range for the discharge. Start at the lowest flow rate and calibrate
in order up to the hightest.
Note: There must be at least a 5% difference between each calibration point.
If a selected calibration point is too close to the previous point an E206
error code will show on the display.
1. Enter code 322.
Result: The digital display will show Pt1 (the flowmeter program is ready to
set the first calibration point).
2. Flow water through the discharge at the flow rate selected for the calibration
point. Ensure a constant pressure is maintained to obtain a steady flow rate
3. Touch the magnet on the glass at the M1 sensor and remove it.
Result: The display will show a flow rate with the last digit flashing.
4. Adjust the displayed flow rate to match the reference flow rate.
Use the M1 sensor to select the digit to change. The digit will flash.
Use the M2 sensor to change the value of the flashing digit.
5. Touch the magnet on the glass at the M3 sensor and remove it.
Result: The display will show Pt2 (or the next calibration point).
6. Repeat steps 2 through 5 for each flow rate calibration point.
7. To exit the calibration program:
Touch the magnet on the glass at the M3 sensor and hold it there until four
dashes are shown in the display. Remove the magnet and after 3 seconds the
program will return to normal operation.
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