7
CONTROL VALVE
REGENERATION
SEQUENCE
The regeneration cycle goes through 3 steps.
1. BACKWASH (MINIMUM 30 PSI INLET
PRESSURE REQUIRED): During the backwash cycle, water
flows upwards through the bed, expanding the media and
carrying any contaminants trapped within it to the drain.
2. RAPID RINSE: During the rapid rinse cycle, water flows
downwards through the bed, settling the media and carrying
any precipitated contaminants trapped within it to the drain.
3. INSERVICE POSITION: The unit then returns to the In-Service
position. While this happens water continues to enter the tank.
Step1 Step 2
Step 3
Models Backwash
Minutes
Rapid Rinse
Minutes
Total
Time of
Regeneration
Total Water
Consumed during
Regeneration (GAL)
(Birm, TO, Neu)
Total Water Consumed
during Regeneration
(GAL) (MM)
Total Water Consumed
during Regeneration
(GAL) (Nexsand)
75 10 10 20 70 80 100
100 10 10 20 80 100 140
150 10 10 20 100 140 200
200 10 10 20 140 200 280
300 10 10 20 200 280 340
WATER AND TIME CONSUMED
DURING REGENERATION
SYSTEM DIMENSIONS
Models A (Inches) B (Inches) C (Inches)
75
51.5 13" 8"
100
55.5 15" 9"
150
61.5 16" 10"
200
59.5 17" 12"
300
72.5 18" 14"
A
B
C
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