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Rotavapor
R-220 EX
5 Operation
Setting
options
The display shows the actual pressure in the system.
1. Touch the screen to access the menu.
2. Press “Menu” to enter the settings.
3. Select “Relay setup” by pressing the arrow buttons
and press “Enter” to open the setting menu.
4. Select “Relay 1 set point” to set the value of the pres-
sure at which the vacuum valve will close.
5. Press “Enter” to confirm.
The actual vacuum setting is being displayed.
6. Press “Change” to set another vacuum.
7. Move to the desired digit by pressing the arrow but-
tons.
