Rational CombiMaster Plus XS

8 | Water connection
80.06.083_iCombi Pro-iCombi Classic_IM_V01_en-US 63 / 84
When used according to instructions, iCombi Pro / iCombi Classic device re-
move the limescale themselves. Upstream water softening is not necessary.
CombiMaster Plus Without care
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Water softening is recommended for water treatment in the event of very
strong calcification (without chloride contamination).
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Set a weakly acidic decarbonization via a hydrogen ion exchanger (H
+
).
Sodium ion exchangers (as common in dishwashers) are not recommended.
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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, to the water filter at
least 3/4 inch.
When using a combination of water filters, observe the order of the filters in the
flow direction:
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(A)-(B)-(C)
Or
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(A)-(B)-(D)