HOWYOUR WATERSOFTENERWORKS
SECTION 2
14
2B.SOFT WATERSERVICEANDREGENERATION
©BRINING: Duringbrining,thebrineismoved
fromthesaltstoragearea,intotheresintank.Inside
theresintank,brinecleanshardness mineralsfrom
theresinbeadsandtheyaredischargedout thedrain.
Howmuchbrineisneededtocleantheresindepends
on:
-- theamountofresininthesoftener,
-- how fast thebrinegoesthroughthebed.
Thenozzleandventuri(FIG. 6)makesuctiontotake
brinefromthesalt tankand putitintotheresintank.
They keepthebrineflowdowntoaveryslowrateto
get thebestresincleaningwiththeleastsalt.
¢BRINERINSE:Afterall of thebrineismovedinto
theresintank,thebrinevalvecloses.Waterkeeps
flowingthesamewayitdid duringbriningexcept
thebrineflowhas stopped.Hardness minerals and
brineflushfromtheresintanktothedrain.Brining
andbrinerinsetogethervaryinthelengthof time
theytake,relativetothefill cyclelength.
FIG.6WATERFLOWTHROUGHTHE

SOFTENERINBRININGAND

BRINERINSE

hardwater
IN
hardwater
bypass OUT
brine valve
drain
nozzle&
venturi
brine
£BACKWASH:Duringbackwash,waterflowsUP
throughtheresintank(FIG. 7)atafastratetoflush
ironminerals,dirtandsedimentsfromthebedandto
thedrain.Thebedlifts andexpandsforgood
cleaning.
FIG.7WATERFLOWTHROUGHTHE

SOFTENERINBACKWASH

r
w
t
r
IN
h
r
d
w
t
r
bypass OUT
drain
resin bed lifted
and expanded
¤FASTRINSE:Backwashisfollowedbyafast flow
of waterdownthroughtheresintank.Thefast flow
packstheresinbedandgetsitreadyfor returnto
service(FIG. 8).
Afterfastrinse,thesoftener returnstoservice.Hard
watergoesintotheresintankwheretheresinbed
againtakesout thehardness minerals.Soft water
goestothehousesoft waterpipes.
FIG.8WATERFLOWTHROUGHTHE

SOFTENERINFASTRINSE

soft water
OUT
drain
r
w
t
r
IN