Water Hardness - Miele CM5500 Operating Instructions Manual

Water hardness

The water hardness level indicates how
much calcium is dissolved in the water.
The higher the calcium content, the
harder the water, and the harder the
water, the more often the coffee
machine will need to be descaled.
The coffee machine measures the
amount of water and steam used.
Depending on the level of water
hardness set, more or fewer drinks can
be dispensed before the appliance
needs to be descaled.
Programme the coffee machine to the
water hardness level of your area so
that it functions correctly and does not
get damaged. At the correct time a
prompt will then appear in the display
to descale the appliance.
Contact your local water supplier to find
out your local water hardness range if
necessary.
The machine is programmed at the
factory to hardness level 3.
The machine has four programmable
levels:
°dH mmol/l
0 – 8.4 0 – 1.5
8.4 – 14 1.5 – 2.5
14 – 21 2.5 – 3.7
> 21 > 3.7
* The hardness level shown in the display may
differ from the hardness level in your area. You
must follow the values in the chart to set your
machine to your local hardness level.
22
ppm Setting*
(mg/l CaCO )
3
0 – 150 Soft 1
150 – 250 Medium 2
250 – 375 Hard 3
> 375 Very hard
4
Setting the water hardness
level
 Touch .
 Select the
Settings 
arrow sensors  and touch OK.
 Select
Water hardness
 Select the hardness level you want
and then touch OK.
The setting is now saved.
menu with the
and touch OK.