Rancilio S20 - Manual (Page 90)

90
Fig. 15
10.3.3. Regeneration
Model S24
Operation to be carried out when the machine
is off and cold and with the plug disconnected.
To be effected after the consumption of approx.15
litres of water (average hardness calculated as 35
degress on the French scale) or at least once a month.
● Prepare a solution in a glass of water adding three
teaspoons of fine salt (the salt must be properly
dissolved).
● Drain the water-tank, see point 10.2.
● Slide the softener 1 Fig.15 off the rubber tubing 2
and turn it over.
Softener DP2 - DP4
Regenerate the water softener within the time-limits
specified for the softener as follows:
DP2
nr.1 regeneration per month for 500 coffees/day;
nr.2 regenerations per month (once a fortnight) for
1000 coffees/day.
DP4
nr.1
regeneration per month for 1000 coffees/day;
nr.2 regenerations per month (once a fortnight) for
2000 coffees/day.
This table has been drawn up according to a water
hardness of 25 degress calculated on the French scale.
See the documentation included with the softener
for the instructions for use.
● Pour the solution through the filter and the resin,
letting it flow down freely.
● Wait about 5 minutes, then hold the softener under
a tap and rinse it with water. When the water coming
out of the softener is no longer salty, the resins are
regenerated and the softener is ready for use once
again.
● Put the softener back on the rubber tube and
replace it horizontally on the bottom of the tank.
● On completion of this operation, the machine can
be started up again by repeating the procedure
described in paragraph 7.3.