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Service Manual
P0055 coffee Machine - 2006
Edition
2006.08.28
Language
english
2.7. aqua PriMa
If the “aqua prima” filter is selected from the user
menu or the control panel, the system’s water
metering logic functions as follows:
If the “aqua prima” function is
enabled
, the electronic
control system performs a pulse count of the turbine,
recording
one pulse every 2 revolutions
.
If the “aqua prima” function is
disabled
, the electronic
control system performs a pulse count of the turbine,
recording
one pulse every revolution
.
The graph in the figure below illustrates this
function:
decalciFicaTiOn
hardness
water hardness
decalcification
frequency
decalcification
frequency with use
of aqua Prima
1
Soft water (up to 7ºdh)
Approx. 3 months 120 litres Approx. 3 months 240 litres
2
medium water (7º-14ºdh)
Approx. 2 months 90 litres Approx. 2 months 180 litres
3
hard water (15º-21ºdh)
Approx. 6 weeks 60 litres
Approx. 6 weeks 120 litres
4
Very hard water (over 21ºdh) Approx. 4 weeks 30 litres
Approx. 4 weeks 60 litres
