FILTER CONTROL VALVE FUNCTIONS
FILTER—Set valve to FILTER for normal filtering. Also
use for regular vacuuming.
BACKWASH—For cleaning filter. When filter pressure
gauge rises 8-10 PSI (0.55-0.69 BAR) above start-up
(clean pressure):
Stop the pump, set valve to BACKWASH. Start pump
and backwash until water in sight glass is clear.
Approximately 2 minutes or less depending on dirt
accumulation. Proceed to RINSE.