Troubleshooting
51
Cat. No. 01024821
Backwash
Raw water is directed down the center of the manifold, up through the resin, out the top of the tank to drain. The water to
drain should be hard.
P1
P2
P3
Raw
Water
Bypasse
d
Wa
te
r
To
Drain
To
Brine
Tank
Tank
Inlet
Tank
Outlet
Brine
Piston
P6
P4
P5
PR
Hard Water
Softened Water
Drain
Brine
Diluted Brine
Figure 54.
Down flow regeneration—backwash.
Backwash
Piston
Position
P1–Inlet
Closed
P2/3–Outlet
Open
P4–Backwash
Open
P5–Rinse
Closed
P6–Bypass
Open
Brine Piston
Closed
PR–Refill
Closed