Jura IMPRESSA XJ9 Professional Wartungshandbuch PDF herunterladen (Seite 15)

1 Preparing and using for the first time

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 1 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

1° dH and 30° dH.

Level Display German

Degree (°dH)

Degrees of general

hardness (°dGH)

Parts per

million (ppm)

Indicator Strip number

of ‘reddish’ fields

Not active – – – –

Very soft water <3 <3 < 53.4 None

Soft water > 4 > 4 > 71 1

Hard water > 8.4 > 8.4 > 150 2

Very hard water > 14 > 14 > 250 3

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.

Determining the water

hardness

Adjusting the grinder

NOTICE

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Jura IMPRESSA XJ9 Professional Wartungshandbuch Seite 15