Instruction Manual

Installation and Operation Handbook Tuning
2408 and 2404 Controller 4-9
5. Press or to turn ‘PCAL’ to ‘on’.
6. Press
and the upper readout indicates ‘Pot’.
7. Press
or to get to ‘Pot-3A.Hi’. (Assuming that the Potentiometer Input
Module is in module position 3.)
8. Press
to go to ‘GO-no’.
9. Press
or to see ‘GO-YES’, which starts the calibration procedure.
10. Calibration is complete when the display returns to ‘GO-no’.
11. Press
and together to return directly to the Operator level.
12. The controller should still be in Manual mode.
13. Drive the valve to its fully closed position using
.
14. Press
until you get to ‘ip-List’.
15. Press
to get to ‘PCAL-OFF’.
16. Press
or to turn ‘PCAL’ to ‘on’.
17. Press
and the upper readout indicates ‘Pot’.
18. Press
or to get to ‘Pot-3A.Lo’
19. Press
to go to ‘GO-no’.
20. Press
or to see ‘GO-YES’, which starts the calibration procedure.
21. Calibration is complete when the display returns to ‘GO-no’.
22. Press
and together to return directly to the Operator level.
23. Press the AUTO/MAN button to place the controller in AUTO and the calibration of the
position feedback potentiometer is now complete.