System Sizing; Recommendations; Injector And Refill Controller Charts; Drain Line Flow Control - Pentair AUTOTROL MAGNUM 742 Installer Manual

4.

System sizing

4.1.

Recommendations

4.1.1. Injector and Refill controller charts

Vessel diameter [In]
14
16
18
21
24
30
36
Note
All flow rates are based on an inlet pressure of 413 kPA. Actual rates vary with pressure,
temperatures and other system variables.

4.1.2. Drain line flow control

Flow control disc
[gpm]
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Ref. MKT-IM-012 / C - 25.10.2019
Injector Flow control
[gpm]
0.5
0.5
0.6
0.9
1.4
2.0
3.3
Insert 1
3
[m /h]
1.135 Blue
1.362 Red
1.589 Brown
1.816 Green
2.043 White
2.27 Blue
2.497 Red
2.724 Red
2.951 Brown
3.178 Brown
3.405 Blue
3.632 Green
3.859 White
4.086 White
Installer Manual Magnum 742-762 - System sizing
Refill flow control
[gpm]
0.7
0.8
1.0
1.4
2.0
3.0
5.0
Insert 2 Insert 3
Black
Black
Black
Black
Black
Blue
Blue
Red
Red
Brown
Blue
Green
Green
White
Backwash flow control
[gpm]
5.0
6.0
8.0
10.0
14.0
21.0
30.0
Insert 4
Black Black
Black Black
Black Black
Black Black
Black Black
Black Black
Black Black
Black Black
Black Black
Black Black
Blue Black
Black Black
Black Black
Black Black
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