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Before using for the first time
21
Water softener
In order to achieve good cleaning re-
sults, the dishwasher needs to operate
with soft water. Hard water results in
the build-up of calcium deposits on
dishes and on the inner surfaces of the
appliance.
Domestic water with a water hardness
level higher than 5.2gr/gal (5°dH –
German scale) must be softened. This
occurs automatically in the integrated
water softener. The water softener is
suitable for a water hardness level of up
to 72.9psi (70°dH – German scale).
In order to be reactivated, the water
softener requires reactivation salt.
Depending on the water hardness level
(<22gr/gal, or <21°dH – German
scale), reactivation salt is not required if
combination detergents are being used
(see “Active ingredients” under “Deter-
gents”).
- The dishwasher must be pro-
grammed to the correct water hard-
ness for your area.
- Your local water authority will be able
to advise you of the water hardness
level in your area.
- Where the water hardness fluctuates,
e.g., between 10 and 16gr/gal (10–
15°dH – German scale), always pro-
gram the dishwasher to the higher
value (16gr/gal or 15°dH in this ex-
ample).
If the water hardness in your area is
available in a unit other than °dH, you
can convert the values as follows:
1°dH = 0.18mmol/l = 1gr/gal
The dishwasher is programmed at the
factory for a water hardness level of
1°dH – German scale.
If your water hardness level corre-
sponds to this setting, you can skip to
the next section.
However, if you have a different water
hardness level, you must adjust the wa-
ter softener to match your water hard-
ness.
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