9.5
RESIN AND SOFTENER
REGENERATION
To avoid scaling deposits in
the boiler and in the heating
exchangers,
the
softener
must
always
be
efficient.
An
anti-flooding
system
must be installed upstream
of the softener in accordance
with IEC EN 61770.
Therefore,
the
resins must be regularly
regenerated.
Regeneration
times
established according to the
quantity of coffee delivered
daily and the hardness of
the water utilised.
As
an
indication,
regeneration
times
be calculated on the basis
diagram illustrated in figure.
C
E
D
Regeneration
are as follows:
1
Turn the machine off and
place a container large
enough to contain at
least 5 litres under tube E.
Turn levers C (in) and D
2
(out) from left to right.
Take the cap off by un-
3
kept
screwing knob G.
4
Fill with 1 Kg normal kitch-
en salt.
Put the cap back on
5
and reposition lever C
moving it towards the
left and allowing tube
ionic
F to discharge the salty
water until it has been
eliminated and the wa-
ter becomes fresh again
are
(about half and hour).
Reposition lever D to-
6
wards the left.
can
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G
C
D
procedures
C
D
F