4 Description of function
22 R-220 Pro Continuous Operation Manual, Version A
4.2.4 Function keys of the Rotavapor R-220 Pro Continuous in the I-300 Pro display
Ein-/Aus-
Schalter
Button Function
AUTO
The following process runs after pressing the AUTOMATIC button:
• If sensor 2 (of the receiving ask) detects solvent for at least 5 seconds, valve 2 closes
and valve 4 opens to aerate the system.
• After 10 seconds, valve 3 opens for 80 seconds to empty the ask.
• The valves 3 and 4 close to evacuate the receiving ask for 20 seconds.
• Valve 2 opens.
• The cycle starts again.
Whenever the receiving ask is being emptied, the lling process star ts with opened valve 1
to ll the evaporating ask until sensor 1 has contact with the product for at least 5 seconds.
DRAIN
• Valve 2 closes and valve 4 opens to aerate the system.
• After 10 seconds, valve 3 opens for 180 seconds to empty the ask.
• Valve 3 and valve 4 close to evacuate the receiving ask.
• Valve 2 opens.
FEED
• Valve 1 remains open until sensor 1 has contact with the product for at least 5 seconds
(but no more than 5 minutes).
END
• The process is canceled. Valve 2 is open, valves 1, 3 and 4 are closed.
• If desired, the distillation process can now be started manually.
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