8 | Water connection
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(B) Activated carbon filter
In the case of strong chlorination (Cl
2
) of the water above 0.2 mg/l (corre-
sponds to 0.2 ppm), an activated carbon filter must be installed upstream. In-
formation on the chlorination (Cl
2
) can be obtained from the local water supply
company.
(C) Reverse osmosis system
If the chloride concentration (Cl
-
) is above 80 mg/l [80 ppm], a reverse osmo-
sis system must be installed due to the risk of corrosion. Information about the
chloride concentration (Cl
-
) can be obtained from the local water supply com-
pany.
NOTE
Malfunction due to falling below the minimum conductivity value
Make sure that the minimum conductivity of the water is 50 μS/cm [32
ppm TDS].
(D) Water softening
iCombi Pro / iCombi Classic
When used according to instructions, iCombi Pro / iCombi Classic units re-
move the limescale themselves. Upstream water softening for scale is not nec-
essary.
CombiMaster Plus without care
n
Water softening is recommended for water treatment in the event of very
strong calcification (without chloride contamination).
n
Set a weakly acidic decarbonization via a hydrogen ion exchanger (H
+
).
Sodium ion exchangers (salt water) (as are common in dishwashers) are
not recommended.
n
Phosphate dosing is not recommended because of its negative effect on
the water system.
Notes on connecting the water filter
The diameter of the water hose must be at least 1/2 inch ID, to the water filter
at least 3/4 inch ID.
When using a combination of water filters, observe the order of the filters in
the flow direction:
n
(A)-(B)-(C)
Or
n
(A)-(B)-(D)
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