A.O. Smith PEARL ULTRA User Manual page 26

• Regen Cycle
Backwash Time: Controls the length of time for the unit to clean the bed
by reversing the flow of water upwards through the bed and out to the drain.
Brine Time: Controls the length of time for the unit to draw regeneration
(brine for softeners) from the cabinet and slowly rinse the media tank from
the top to the bottom.
Rinse Time: Controls the length of time to give the tank a final rinse from
the top to the bottom in order to remove any last traces
of the regeneration from the tank.
Refill Time: Controls the length of time which the brine valve will open
to refill the cabinet with water in order to produce the regeneration
solution for the next regeneration.
The water accurately measured through the valves brine line flow control
to make a precise quantity of regeneration solution.
NOTE: Refill time is calculated under Automatic Calculate mode.
ENG 24
• Restore Defaults
This setting allows the current settings to be erased and changed back
to the default settings.
• System Information
Press the "/+" and " / -" button to inquire some information of valve by
entering "System Information" item.