© Bella Barista
Bella Barista, Nene Court, The Embankment, Wellingborough, Northants, NN8 1LD
Tel: 01933 273275
e-mail:
claudettep@towability.com
CELLINI CLASSIC
CELLINI CLASSICCELLINI CLASSIC
CELLINI CLASSIC
CLOSER LOOK
CLOSER LOOKCLOSER LOOK
CLOSER LOOK
The Cellini Classic runs hot, which is usual with
all prosumer Heat Exchanger (HX) machines.
This is because of the tight compromise
between continuously available steam, and
production of brew water for espresso. The
pressure in the boiler is directly related to the
temperature, a higher pressure gives higher
temperatures. Because of the way HX machines
work most require a cooling flush prior to
drawing the first in a series of espressos, the
Cellini Classic in common with other machines
of this type also requires this “cooling flush”.
However, I felt the Cellini did not need as large
a cooling flush as many HX machines when at
the factory setting of 0.8-1.0 bar, unfortunately
this was insufficient for proper steaming and at
my recommended setting of 1.2 to 1.3 bar a
normal sized cooling flush is required..
You can alter the pressure/temperature of the
boiler if required via the pressure stat and the
machines own boiler pressure gauge allows you
to see the settings. Brew pressure can be
altered by adjustment of the expansion valve,
but as the Cellini has no brew pressure gauge,
you will need to use portafilter pressure gauge
when adjusting brew pressures as part of your
annual maintenance routine. The brew pressure
on the test machine was around 10.8 bar, this is
OK although it could easily be adjusted to
around 9 or 10 bar (the good quality
OPV/expansion valve, is quite adjustable). Just
remember to allow for the thermal expansion of
water when measuring pressure in this way. See
http://coffeetime.wikidot.com/pressure-
measuring-portafilters
As long as a cooling flush is performed, the Cellini
Classic makes consistently good espressos and
easily maintains the temperature during the pour.
Domestic volumes of espresso one after another
will be no problem using the Cellini
It’s nice to have really hot water on tap, recovery
time after drawing hot water for an Americano is
very fast. Although I always recommend a kettle for
regular hot water production, especially in areas
where lime scale is a problem and saves having to
descale your machine so often.
The E61 group is an industry standard (as are many
of the components in the machine), so parts such
as, pumps, gaskets, shower screens, filter holders,
filter holder handles etc. are all a standard size and
readily available from multiple suppliers. This also
means that the pricing of these spares is highly
competitive.
The Cellini has moderate steam performance and
in my opinion the boiler pressure needs to be
raised to get suitable steaming performance. This
should be done by Bella Barista prior to you
receiving the machine, if not, I would recommend a
setting of 1.2–1.3 bar.
Hot Water
(32 Seiten)
(2 Seiten)
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