Astoria SABRINA SAE DISPLAY Use And Maintenance Manual page 19

3.11.13 Volumetric dosing
The volumetric dosing device measures the quantity
of water sent to the group in order to dispense coffee.
The dispenser generates electrical impulses which
are sent to the electronic control unit.
These impulses are read by the control unit and
counted while the dose is
being programmed.
The intermittent flashing
of the LED (X) indicates the
electrical pulse sent to the
control unit by the dosing
device.
3.11.14 Electronic push button panels
The electronic push button panels allow the coffee
doses to be selected and programmed. They are con-
nected to the electronic control unit.
To use and programme these, please consult the user
manual.
3.11.15 Cup warmer
The cup warmer device (1) warms the cups before
they are used.
THE temperature can be adjusted by following the
instructions in the user manual.
TECHNICIANS manual
3.11.16 Water filter
are present which cause limestone to
form in the heating unit and other parts
of the machine.
heavy metals and substances, such as
X
chlorine which are harmful to health.
inate or substantially reduce the pres-
ence of these mineral salts.
filter must be replaced at the frequency
specified by the manufacturer.
To use and maintain the water filter, follow the instructions
provided in para. 9.4 on page 50.
3.11.17 Water softener
alternative to the water filter.
of retaining the calcium contained in
the water. For this reason, the resins
become saturated after a certain period
and must be regenerated with coarse
kitchen salt (NaCl, sodium chloride) or
special water softening salt. It is very im-
1
portant to regenerate the softener within the established
times. However, in locations where the water is very hard,
it will be need to be regenerated more frequently. The
same rule can be applied to locations where there is a
large consumption of hot water (for tea, etc.).
To use and regenerate the water softener, follow the instructions
provided in para. 9.5 on page 52.
3.11.18 Hot water spout
suction hose. Depending on the model, hot water can
be dispensed in two ways:
In the mains water, non-soluble salts
Drinking water can also contain
The filter makes it possible to elim-
The cartridge contained in the water
The resin softener can be used as an
This component has the property
The hot water spout is connected to a heating unit
Manually: by turning the adjustment knob on the
front of the machine;
Automatically: by selecting a button connected to a
solenoid valve.
Sabrina
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