Autotrol Logix 740 Operation Manual page 11

Figure 1
EQUIPMENT INSTALLATION
5. Fast Rinse (Downflow) — Cycles C5, C7:
The control directs water down through the resin bed and up through the
riser tube to the drain. Any remaining brine residual is rinsed from the resin
bed.
Brine Refill — Cycle C8:
6.
Brine refill occurs during a portion of the fast rinse cycle. Water is directed to
the regenerant tank at a controlled rate, to create brine for the next
regeneration.
SERVICE
C0
REPRESSURIZE
C4
BACKWASH BRINE/SLOW RINSE
C1 and C6 C2 and C3
BRINE REFILL
FAST RINSE
C5 and C7 C8
From Regenerant
Tank
To Regenerant
Tank
11
Rev A