8
The capacity (range) of the mixed bed resin depends on the water hardness. It can be read from the diagram below or calcu-
lated with the capacity number of the amount of resin.
The conversion from μS/cm to water hardness gives only an approximate value and is only possible for un-
treated drinking water. Other water types contain not only limescale (calcium carbonate) but also other dissolved
minerals. The capacity would then be less because the filling station removes all minerals.
!
0
500
1000
1500
2000
2500
3000
1 2 4 6 8 10 12 14 16 18 20 22 24 26 28
CAPACITY IN LITER
TOTAL HARDNESS IN °DH
CAPACITY REFILL STATION (NF plus)
NF 2 plus NF 6 plus
Capacity of the mixed bed resin
0
1000
2000
3000
4000
5000
6000
7000
8000
1 2 4 6 8 10 12 14 16 18 20 22 24 26 28
CAPCITY IN LITER
TOTAL HARDNESS IN °DH
CAPACITY REFILL STATION (NF plus)
NF 12 plus NF 25 plus
Refill station Capacity figure at 1° dH
NF 2 plus 4500 liter
NF 6 plus 10000 liter
NF 12 plus 24000 liter
NF 25 plus 48000 liter
The capacity figure is used and divided by the raw water hardness in ° dH. The result is the capacity of the mixed bed resin in
liter.
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