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Thermo Fisher Scientific

Carbon Dioxide (CO2) Set Value


How do I set the CO2 value?


  • Heracell VIOS 160i CR
  • Heracell VIOS 250i CR



Refer to the Heracell VIOS 160i/250i CR Operating Instructions for more information.

Image 1: CO2 Display and CO2 Menu 


  1. Press the CO2 display key. The CO2 menu is displayed.
  2. To exit the CO2 menu, press the End key.
  3. To enter the CO2 set value, press the Set value key.
    1. To increase the set value, press the + key.
    2. To reduce the set value, press the - key.
  4. To accept and save the set value, press the Enter key. The system returns to the main menu, and the CO2 display shows the actual value currently measured in the workspace. 
  5. Deactivate the CO2 control loop by changing the set value to 0%


  • Error monitoring is enabled when the control loop is deactivated.
  • Ventilate the inner chamber after changing the CO2 setpoints so that no alarm occurs..


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