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4.3.2 WINTER BREAK
If, during equipment stop, room temperature can reach temperatures near or lower than 0° C, introduce in the hydraulic circuit a non freeze mixture with a freezing
point sufciently lower than the possible minimum temperature, according to the instructions in the previous paragraphs.
If you do not want to or cannot introduce antifreeze substances in the circuit, it is possible to prevent water from freezing by installing heating heaters, which can
be activated by a thermostat measuring water or air temperature. In this case, of course, water must go on circulating and, therefore, pump must be kept on (if the
pump is controlled by the unit, this must be power supplied).
Finally, in some cases, in order to prevent dangers due to freezing, it is preferable to completely empty the water from the hydraulic circuit during the unit stop. In
this case, clean the system before lling it again.
4.3.3 SWITCHING OFF
To stop the unit, press the ON/OFF button on the microprocessor keyboard, and switch it to OFF.
If the machine is expected to stay in this condition for more than 24 hours, turn the main switch in OFF position in order to cut the power supply
Any anomalies detected during unit operation must be solved as soon as possible, in order to avoid them to be present once more, when the unit will be
again switched on.
4.4 MICROPROCESSOR SETTING
In order to change microprocessor settings, follow the instruction on the microprocessor documentation attached to the Handbook.
Any modication on the microprocessor parameters must be done by qualied technicians only, and, anyways, after prior authorization by the
Manufacturer. Incorrect values can make the unit operate in working conditions different from the set ones, and, consequently, damage the machine and
the whole system.