Pentair Fleck 4650 - WATER CONDITIONER FLOW DIAGRAMS; Service Position; Preliminary Rinse Position; Backwash Position

WATER CONDITIONER FLOW
DIAGRAMS
1 Service Position
Hard water enters the unit at the valve inlet - ows around the
lower piston groove - thru the passage to the top of tank - down
thru the resin and enters the distributor as conditioned water.
The conditioned water ows up thru the center tube to the
valve outlet.
2 Preliminary Rinse Position (5 Minutes)
Hard water enters the unit at the valve inlet - ows around
the lower piston groove - down thru the top of tank passage
- downward thru the resin - up the distributor tube - thru the
center hole in the piston - over the top edge of the piston and
out the drain line.
3 Backwash Position (10 Minutes)
Hard water enters the unit at the valve inlet - ows around
the lower piston groove and lower piston land - down thru the
center tube and out the distributor - up thru the resin - thru the
top of tank passage - around the upper piston groove and out
the drain line.
4 Brine Position (First Portion of 50 Minute Fixed Cycle)
Hard water enters the unit at the valve inlet - ows around the
lower piston groove - thru the injector nozzle and orice to
draw brine from the brine tank. The brine ows down thru the
resin - into the distributor - up thru the center tube - thru the
center hole in the piston and out the drain line.
Fleck 4650 AP10 • 5