Determining The Water Hardness; Adjusting The Grinder - Jura IMPRESSA XJ9 Professional Instructions For Use Manual

Determining the water
hardness
Level Display German
Degree (°dH)
Not active
Very soft water
Soft water
Hard water
Very hard water

Adjusting the grinder

You can find out what the water hardness is by using the Aquadur®
test strip supplied as standard.
T Hold the test strip briefly (for second) under flowing water.
Shake off the water.
T Wait for about one minute.
T You will then be able to read the degree of water hardness
from the discoloration of the Aquadur® test strip and the
description on the packaging.
You can now adjust the water hardness.
The water hardness can be adjusted on a continuous scale between
° dH and
Degrees of general
hardness (°dGH)
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NOTICE If you adjust the consistency of grind when the grinder is not oper-
ating, the grinder adjustment switch could be damaged.
T Only adjust the consistency of grind when the grinder is run-
ning.
You can adjust the grinder on a continuous scale to suit the degree
of roast of your coffee.
The consistency of grind is correct if the coffee flows regularly from
the coffee spout. In addition a fine, thick crema forms.
Example: Proceed as follows to change the consistency of grind
during the preparation of an espresso.
T Open the storage compartment cover.
T Place a cup under the coffee spout.
° dH.
Parts per
million (ppm)
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Preparing and using for the first time
Indicator Strip number
of 'reddish' fields
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None