Specifications

23G-Series RO System
3024270 Rev G 120 14Oct13
Calibrating the Permeate Flow Rate Slope
1. Press ESC twice to return to the ECM-100 default menu.
2. Press ENTER to scroll to the Calibration Menu (06).
3. Press ENTER to select the Calibration Menu.
4. Press ENTER to scroll to the “Perm Flow Rate Slope.”
5. Enter the passcode in the following sequence to adjust the
reading:
a. HAND/AUTO
b. CIP
c. ALARM BYPASS
6. While machine is running, compare the concentrate flow rate
on the ECM-100 to the bucket test permeate flow rate
measured in Step 8 of Calculating Permeate Flow Rate
(Section 8.7.1).
7. If the flow rates differ by more than 0.3 gpm (0.07 m
3
/h) the
Permeate Flow Rate Slope needs to be adjusted (increased or
decreased to reflect the actual flow rate of the bucket test).
8. If the flow rate displayed on the ECM-100 is less than the
bucket test the Permeate Flow Rate Slope setting must be
increased. If the flow rate displayed on the ECM-100 is more
than the bucket test the Permeate Flow Rate Slope must be
decreased.
• Press the ARROW keys to increase the slope by
increments of 2 and compare the Permeate Flow Rate to
the bucket flow rate.
• Press ENTER to save the value.
NOTE:
It will take 20 seconds after ENTER is pressed for a new reading for the
ECM-100 to acknowledge the new slope value.
9. Observe Permeate Flow Rate. If additional adjustment is
necessary, repeat Step 8.
It may be necessary to repeat this process several times in order to
properly calibrate the concentrate flow rate.
If the flow reading is always low, even with a slope value of 46,
refer to ECM-100 Troubleshooting (Section 7.2).
NOTE:
Actual flows tend to fluctuate. Extreme accuracy is not required.