Specifications - A.O. Smith Pro AOW-S400 Owner's Manual

INSTALLATION GUIDE

SPECIFICATIONS

2
Specification
Maximum Capacity -
grains
Maximum Compen-
sated Hardness - gpg
(mg/L)
Maximum Ferrous
Iron Reduction -
ppm*
Minimum pH -
standard units
Maximum Chlorine
- ppm
Water & Ambient
Temperature Mini-
mum-Maximum - °F
(°C)
Water Pressure
Minimum - Maximum
- psi (bar)
Maximum Flow Rate
to Drain During
Regeneration gpm
(L/min)
Minimum Water
Flow for Backwash
gpm (L/min)
Service Flow Rate
(@15 psi (1.0 bar))
drop - gpm (L/min)
High Efficiency Salt
Setting - lb/grains
removed (kg/grams
removed)
High Efficiency Salt
Setting - Total Length
of Regeneration -
min/gal (min/L)
High Capacity Salt
Setting - lb/grains
removed (kg/grams
removed)
AOW-S400 AOW-S500
34,800 Grain 49,800 Grain
Capacity Capacity
Water Water
Softener Softener
34,800 49,800
90
10
7
0
40/120 (4/49) 40/120 (4/49)
20/120 20/120
(1.4/8.3) (1.4/8.3)
2 (7.6) 2.4 (9.1)
2 (7.6) 2.4 (9.1)
7.5
3/13400 6/26400
(1.4/868) (2.7/1710)
27.5/21 42.5/30
(27.5/80) (42.5/114)
7/26300 10/39500
(3.2/1700) (4.5/2560)
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110
10
7
0
7
19