30
Rotavapor
R-220 EX
5 Operation
8. Press “Change” to set a new value.
9. Press “+” or “-“ to change the value.
10. Press “OK” to save the entry.
11. Select the check mark by pressing the arrow but-
tons.
12. Press “Save” to save the entries and exit.
13. Select “Relay 1 reset point” by pressing the arrow
buttons to set the value for the upper pressure limit at
which the vacuum valve will open again.
14. The actual vacuum setting is being displayed.
15. To change that value, press “Change”.
16. Select the desired digit by pressing the arrow but-
tons.
