8
6. P & ID
Control
*
Refer to the manufacturer
’s handbook before installing the controller.
*
Make sure that the voltage of both the solenoid unit and controller are correct.
*
Set the manual operation button to automatic.
*
Check that the
∆P hydraulic switch HIGH and LOW pressure lines are correctly connected
to the appropriate ports.
*
Set the starting backwash switch to
∆P 5-7 meters (6 - 8 psi).
*
Set the controller to a flush time of 20-25 seconds and a dwell time of 10 seconds. These
settings may require adjustment to conform to local water conditions. Typically, a 1 to 3
hour interval between backwashes is recommended.
