US Water Systems Synergy 9000 Installation Manual page 12

1. Backwash - The control valve directs the water flow in a reverse direction through
the mineral tank, separating the resin beads and flushing any accumulated particles
to a waste drain.
2. Brine & Rinse - In the first part of this cycle, the control valve directs brine sol-
ution downward through the mineral tank, driving-off collected hardness ions and
replenishing the resin beads with sodium ions. The second part of the cycle rinses
hardness ions and excess brine from the mineral tank to the waste drain.
3. Rapid Rinse - The control valve directs the water flow downward, settling and re
compacting the resin bed.
4. Brine Refill - The control valve directs fresh water into the salt compartment to
create new brine solution for the next scheduled regeneration.
5. Service - This is the normal "operating" cycle where hard water enters the mineral
tank, comes into contact with the resin beads, and exchanges hardness ions for
sodium ions - the water then becomes "soft" and ready for use.
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