Pentair Fleck 4650 - WATER CONDITIONER FLOW DIAGRAMS continued; Slow Rinse Position; Second Backwash Position; Settling Rinse Position

WATER CONDITIONER FLOW
DIAGRAMS continued
5 Slow Rinse Position
(Last Portion of 50 Minute Fixed Cycle)
After all the brine has been drawn from the brine tank, hard
water continues to enter thru the valve inlet - ows around the
lower piston groove - thru the nozzle and orice - down thru the
resin and into the distributor - up thru the center tube - thru the
center hole in the piston and out the drain line.
6 Second 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.
7 Settling 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.
8 Brine Tank Fill Position
(4 to 24 Minutes Adjustable Cycle)
Hard water enters the unit at the valve inlet - ows around the
lower piston groove - thru the injector throat - thru the brine
valve and ow control to ll the brine tank. Hard water also
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.
6 • AP10 Fleck 4650