10.3.1. Renewal of water in the boiler
To be carried out only by qualified personnel.
● Turn off the machine and wait for the pressure in
the boiler to diminish (gauge needl on "0").
● Insert a rubber hose (1) into the hose-end fitting
(2) (Fig.14)
● Loosen the hose-end fitting (2).
● Allow the water to flow out completely; then, close
the fitting (2) and remove the rubber hose (1).
● Refill the boiler (paragraph 7.3.).
Fig. 14
10.3.2. Regeneration
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 sca-
le.
See the documentation included with the softener
for the instructions for use.
Model S1 TANK
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
● Drain the water-tank, see point 10.2.
● Slide the softener 1 Fig.15 off the rubber tubing 2
2
1
Fig. 15
Operation to be carried out when the machine
is off and cold and with the plug disconnected.
teaspoons of fine salt (the salt must be properly
dissolved).
and turn it over.
2
1
B
C
71