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WORKS
E_] BRINING: During brining, the brine istaken from
the salt storage tank and put into the resin tank. Brine
makes the resin beads let go of the hardness
minerals and they are carried to the drain. How much
brine is needed to clean the resin depends on 2
things--
The amount of resin in the softener'..
How fast the brine goes through the bed.,
The nozzle and venturi (FIG. 24) makes the suction
to take brine from the salt tank and put it into the
resin tank. It keeps the brine flow down to a very slow
rate to get the best resin cleaning with the least salt,
[_] BRINE RINSE: After all of the brine goes into the
resin tank, the brine valve closes. Water keeps flow-
ing the same way it did during brining except the brine
flow has stopped° Hardness minerals and brine flush
from the resin tank to the drain,. Brining and brine
rinse together are about 80 minutes.
WATER FLOW THROUGH THE
SOFTENER IN BRINING
AND BRINE RINSE
Hard Water
IN
Hard Water _,_ .h
Nozzre&.1---- /,/'_I_
Venturi ! (,
ii
Brine Valve _,
B.oe\
Drain
[] BACKWASH: During backwash, water flows UP
through the resin tank (FIG,. 25) at a fast rate to flush
iron minerals, dirt and sediments from the bed and to
the drain_ The bed lifts and expands for good clean-
ing The backwash cycle is about 12 minutes long.
WATER FLOW THROUGH THE
SOFTENER IN BACKWASH
Hard Water
BYPASS
Hard Water
IN
Drain
resin bed lifted
and expanded
_] FAST RINSE: Backwash is followed by a fast
flow of water down through the resin tank.. The fast
flow packs the resin bed and gets it ready for return to
service (FIG. 26). This cycle is about 4 minutes long,.
After fast rinse, the softener returns to service. Hard
water goes into the resin tank where the resin bed
again takes out the hardness minerals° Soft water
goes to the house soft water pipes.
WATER FLOW THROUGH THE
SOFTENER IN FAST RINSE
Hard Water
IN
Soft Water
OUT __.
Drain
2O
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