Rational iCombi Pro Original Installation Manual page 75

(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
ppm), an upstream activated carbon filter must be installed. Information about
the chlorine level (Cl
(C) Reverse osmosis system
If the chloride concentration (Cl
system must be installed, due to the risk of corrosion. Information about the
chloride level (Cl
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
Water softening is recommended for treating water if severe calcification
n
occurs (without chloride contamination).
Use a slightly acidic decarbonisation ion exchanger (H
n
changers (as are commonly found in dishwashers) are not recommended.
Phosphate metering is not recommended due to its negative effects on the
n
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:
(A)-(B)-(C)
n
or
(A)-(B)-(D)
n
80.06.070_iCombiPro-iCombiClassic_IM_en-GB
) can be obtained from the local water supply company.
2
-
) is above 80 mg/l [80 ppm], a reverse osmosis
-
) can be obtained from the local water supply company.
NOTICE
) over 0.2 mg/l (corresponds to 0.2
2
+
). Sodium ion ex-
8 | Water connection
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