Change the CO2 Minimum and Maximum Setting

Note The minimum CO2 rate should be established by the shipper.

The CO2 rate sets the desired CO2 level in the container when a gas sensor unit is installed. The actual AFAM door position is based on the CO2 level and AFAM delay.

  1. Press the F4 key to enter the main menu. Press the F2 or F3 key to scroll to Controls menu and press F4 to expand the menu.

  2. Press the F2 or F3 key to scroll to CO2 MAX.

  3. Press the F4 key to enter the CO2 MAX menu. The current rate and units (e.g. “0.0 percent”) appears in the display.

  4. To change the rate, press the F2 or F3 key to increase or decrease the CO2 Max setting.

      Warning
    • Risk of Injury
    • The vent door and motor actuator arm may move immediately again when the rate is entered. Keep hands and tools away from the air exchange system components to prevent personal injury or unit damage.

  5. Press and hold the F4 key until returned to the main menu. The new rate is recorded in the controller and appears in the display.

Parent topic: Advanced Fresh Air Management Plus (AFAM+) System