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Installer manual Fleck 5600 SXT - System sizing
4
System sizing
4.1
Recommended Injector/DLFC/BLFC-Valve configuration
Brine
Tank
syst.
Diameter
[in]
5600/
5
1650
6
7
8
9
10
12
13
Info
In upflow configuration, the injector cap is fitted with a pressure regulator set to
1.4 bar.
4.2
Sizing a softener (single unit)
4.2.1
Parameters to be considered
Whenever installing a softener, it is preferable to have full water analysis to ensure the inlet water
content will not affect the resin bed.
Tip
Please consult your resin manufacturer specification !
To ensure that no additional pretreatment prior to softening is required.
The below sizing method can be applied for both residential and industrial softeners.
The sizing of a softener must be based upon certain parameters:
• inlet water hardness;
• peak flow rate and nominal flow rate;
• service velocity;
• salt dosage.
The softening and regeneration reactions are driven under certain conditions. To allow these
reactions to take place, make sure that the velocity is convenient during the different phases for
proper ion exchange. This velocity is given in the resin manufacturer specifications sheet.
Depending on the inlet water hardness, the service velocity for standard softening must be
between:
30 / 104
Resin
volume
L
DF
Color
4
-
-
5 - 8
0
Red
9 - 14
15 - 21
1
White
22 - 28
29 - 42
43 - 56
2
Blue
57 - 70
Injector
UF
Color
0000
Black
000
Brown
00
Violet
0
Red
1
White
Ref. MKT-IM-013 / E - 23.09.2020
DLFC
BLFC
[gpm]
DF [gpm] UF [gpm]
0.8
0.125
1.2
0.25
1.5
2.0
2.4
3.5
0.50
4.0
0.125
0.25
0.50
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