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Salt amount
[g/L
]
resin
140
150
170
200
230
260
290
To calculate the system mass capacity:
M
= V
× C
capacity
resin
resin ex
To calculate the system combined capacity:
C
= V
× C
capacity
resin
cor resin ex
To calculate the system volume capacity:
V
= M
/ TH
capacity
capacity
inlet
Or
V
= C
/ TH
capacity
capacity
inlet
Mandatory
If a mixing device is set on the valve before meter, use TH = TH
Having determined the previous capacity allows the operator to know the service cycle duration.
4.2.4
Valve configuration
Knowing the volume of resin, tank size and specifications of the resin, it is possible to determine
the required valve configuration. The resin specification will give the backwash velocity, as well as
the brine draw and slow rinse velocity that must be respected in order to ensure a proper
Ref. MKT-IM-013 / E - 23.09.2020
Corresponding resin
exchange capacity
[g/L
] as CaCO
resin
3
53.8
55.5
58.5
62.7
66.9
71
75.3
with:
M
: system mass capacity [g as CaCO
capacity
V
: volume of resin [L]
resin
C
: resin exchange capacity [g/L
resin ex
with:
C
: system combined capacity [°f.m
capacity
V
: volume of resin [L]
resin
C
: corresponding resin exchange capacity
cor resin ex
3
[°f.m
/l or °dH.m
with:
V
: system volume capacity [m
capacity
M
: system mass capacity [g as CaCO
capacity
C
: system combined capacity [°f.m
capacity
TH
: inlet water hardness [mg/L as CaCO
inlet
°dH]
Installer manual Fleck 5600 SXT - System sizing
3
°f.m
[per L
]
resin
5.38
5.55
5.85
6.27
6.69
7.1
7.53
resin
3
/l]
3
]
- TH
INLET
OUTLET
3
°dH.m
[per L
]
resin
3.01
3.1
3.27
3.5
3.74
3.97
4.21
]
3
as CaCO
]
3
3
3
or °dH.m
]
3
]
3
3
or °dH.m
]
or °f or
3
!
33 / 104
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