Pentair Autotrol 255 Series - FLOW DATA Charts

Repressurize Position
Brine Tank
Mineral Tank
Drain
Inlet
Outlet
Hard Water
Soft Water
3
2
4
6
Drain Control
6
Air Check
1
5
Valve No.
1-Closed
2-Closed
3-Closed
4-Open
5-Closed
6-Closed
Brine Refill Position
Brine Tank
Mineral Tank
Drain
Inlet
Outlet
Hard Water
Soft Water
5
3
1
2
4
6
Drain Control
6
Air Check
Valve No.
1-Open
2-Open
3-Open
4-Closed
5-Closed
6-Closed
Fast Rinse Position
Brine Tank
Mineral Tank
Drain
Inlet
Outlet
Hard Water
Soft Water
5
3
2
4
6
Drain Control
6
Air Check
1
Valve No.
1-Closed
2-Open
3-Closed
4-Open
5-Open
6-Closed
FLOW DIAGRAMS continued
FLOW DATA CHARTS
255 Valve Flow Data
2
5
5
S
E
R
V
I
C
E
F
L
O
W
–
C
v
=
3
.
9
9
2
5
5
B
A
C
K
W
A
S
H
F
L
O
W
–
C
v
=
1
.
2
0
LWR 4630 SVC
LWR 5236 BW
2 64 8 10 12 16140
0.9 1.4 1.80.50 2.3 2.7 3.2 3.6
1.10
1.00
0.90
0.80
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0.00
16
14
12
10
8
6
4
2
0
Flow Rate (m
3
/hr)
Flow Rate in Gallons Per Minute
Pressure Drop in PSI
Pressure Drop (Bar)
AUTOTROL
®
255 Valve/400 Series Service Manual • 17