Nuova Simonelli AURELIA II Manuel D'instructions page 51

In this way impurities like sand, particles of
calcium, rust etc will not damage the delicate
graphite surfaces and durability will be guaran-
teed.
Following these operations, connect the plumb-
ing systems as illustrated in the following figure.
WARNING
Recommended mains pressure for the
water is [2.3] bar.
WARNING
Avoid throttling in the connecting tubes.
Assess that the drain pipe (3) is able to
eliminate waste.
1
KEY
1 Softener
2 Mesh filter
3 Drain Ø 50 mm
NOTE: For a correct functioning of the machine
the water works pressure must not
exceed 4 bars.
Otherwise install a pressure reducer
upstream of the softener; the internal
diameter of water entrance tube must
not be less than 6mm.
RISK OF SHORT CIRCUITS
The machine must always be protected by
an automatic omnipolar switch of suitable
power with contact openings of equal dis-
tance or more than 3mm.
Nuova Simonelli is not liable for any dam-
age to people or objects due to not observ-
ing current security measures.
Prior to connecting the machine to the electrical
mains, assess that the voltage shown on the
machine's data plate corresponds with that of
the mains.
If it does not, carry out the connections on the
basis of the available electrical line, as follows:
for V 380 / 3 phases voltage +Neutral:
2
3
for V 230 / monophase voltage
Fig. 10
KEY
CAUTION
1 Black
2 Grey
3 Brown
NOTE: At the start of the day's activities and in
NOTE: In case of use where service is continu-
Fig. 11
Fig. 12
4 Blue
5 Yellow-green
any case, if there are any pauses of
more than 8 hours, then it is necessary
to change 100% of the water in the cir-
cuits, using the relevant dispensers.
ous, make the above changes at least
once a week.
53