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 flask) 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 flask
• The valves 3 and 4 close to evacuate the receiving flask for 20 seconds
• Valve 2 opens
• The cycle starts again
Whenever the receiving flask is being emptied, the filling process starts with opened valve 1
to fill the evaporating flask 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 flask
• Valve 3 and valve 4 close to evacuate the receiving flask
• 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
