4
3.
OPERATING INSTRUCTIONS
Switch on the doser-mixer using the external switch (or by plugging in the flying socket).
The first displays appearing at the switching on refer to the self-test. The displays show the numbers form
0 to 9, the microprocessor software version, then the data regarding the last discharge.
3.1
MANUAL OPERATION
•
Press
P00
on the keyboard (the yellow Manual led lights up and the decimal point of the litres
flashes), then select the required water quantity. If only the quantity has to be stored, press
START
. If
the operator needs to store also the temperature, press the key
: the flashing moves to the decimal
point of the temperature, which can be set. In case of error, in the litres or in the temperature, press
STOP/C
key and reselect.
•
Press the
START
key: the display 8 shows the actual discharge temperature and the display (16)
indicates the decreasing litres.
•
To manually stop delivery at any time press the
STOP/C
key. In the display (16) the quantity if
delivered water flashes; to resume the dosage, press again the
START
key; otherwise pressing again
the
STOP/C
key the memory is cancelled and a different quantity can be set.
•
Adjust the water temperature using the knob (5), checking it on the electronic thermometer (8). In case
of correction, wait a few seconds before intervening, so as to allow the temperature to stabilize.
•
To obtain the same water dosage in successive operations, simply press the
START
key, as the doser-
mixer is provided with a memory. In the case of power failure during dosing the data are not lost;
when power is restored simply repress the
START
key to complete the dosing operation (see page 20
par.3.5.3).
•
To modify quantity and/or temperature in memory, press directly the
key and proceed as for the
first data entry.
•
To ensure optimum operation the warm water temperature must be at least 10°C higher than the
required delivery water temperature and the cold water should be at least 3°C lower. Low
temperatures (under 10° - 15°C) may be obtained only using a refrigerator.
•
The doser-mixer is equipped with a valve for manual delivery of pre-mixed water (by-pass). This
valve can be used both for discharging possible backwater in the pipes, when the doser is switched on
for the first time every day, and for water delivery during power failure or in the event of dosing
solenoid valve failure.
NOTES
:
1) The by-pass function light never switches on in this machine version, and the RUN
function light is on during the whole discharge.
2)
The stored temperature appears only when a recipe is recalled, or when the key for the
quick modification is pressed, and remains for 6”; then the
display shows the
actual internal probe temperature.
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