Rational LM1 Series Original Installation Manual page 66

8 | Water connection
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
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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 fil-
ter 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)
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66 / 92 80.06.070_iCombi Pro-iCombi Classic_IM_V01_en-GB
+
). Sodium ion ex-