8 | Water connection
80.06.070_iCombiPro-iCombiClassic_IM_en-GB 75 / 108
(A) Fine filters
We recommend particle filters with fineness of 5 - 15 µm [0.0002 – 0.0006
inches] for filtering water contaminated with sand, iron particles or suspended
particles.
(B) Activated charcoal filters
If water contains high levels of chlorine (Cl
2
) over 0.2 mg/l (corresponds to 0.2
ppm), an upstream activated carbon filter must be installed. Information about
the chlorine level (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 osmosis
system must be installed, due to the risk of corrosion. Information about the
chloride level (Cl
-
) can be obtained from the local water supply company.
NOTICE
Malfunction due to minimum conductivity not being met
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 will
automatically remove limescale. Upstream water softening is not necessary.
CombiMaster Plus without care
n
Water softening is recommended for treating water if severe calcification
occurs (without chloride contamination).
n
Use a slightly acidic decarbonisation ion exchanger (H
+
). Sodium ion ex-
changers (as are commonly found in dishwashers) are not recommended.
n
Phosphate metering is not recommended due to its negative effects on the
water system.
Notes on connecting the water filter
The diameter of the water hose must be at least 1/2 inch and to the water filter
at least 3/4 inch.
When using a combination of filters, ensure filter sequence in direction of flow:
n
(A)-(B)-(C)
or
n
(A)-(B)-(D)
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