User Manual

Operating the machine
43
• Press the button (B12) to set the intermediate cooling .
The intermediate cooling time LED lights up.
• Use the buttons (B9) to set the intermediate cooling time
(30 seconds to 99:00 minutes).
– + Pressing briefly increases the duration.
– - Pressing briefly shortens the duration.
The display runs more quickly when pressed longer.
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5.12 Setting the grinding frequency
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Fig. 39: Frequency 1/s
• Switch the CryoMill on at the main switch.
It is only possible to adjust the grinding frequency if the button (B11) for setting the
grinding parameters has been pressed and the LED (B11) is lit up.
• Press the button (B11).
• Press the respective buttons (B7) to set the grinding frequency .
The selectable frequency range is from 3 to 30 Hz.
• + Pressing briefly increases the frequency.
• - Pressing briefly reduces the frequency.
The display runs more quickly when pressed longer.
The frequency of precooling and intermediate cooling is fixed at 5 Hz. The
frequency cannot be adjusted while setting the precooling or intermediate cooling
time.
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5.13 Starting the grinding process
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CAUTION
Danger of injury and frostbite
Escape of liquid nitrogen
– Liquid nitrogen has a temperature of –196 °C and may cause injuries
similar to burns on skin or eye contact or frostbite.
• Never switch the machine on without tightly closed cooling casing.
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NOTICE
The grinding process can only be started if the hood is closed.
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B7