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 TK Fresh door position is based on the CO2 level and TK Fresh delay.

  1. Press the Enter key to enter the main menu. Press the UP or DOWN key to scroll to Controls menu and press Enter to expand the menu.

  2. Press the UP or DOWN key to scroll to CO2 MAX.

  3. Press the ENTER 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 UP or DOWN 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 Esc key until returned to the main menu. The new rate is recorded in the controller and appears in the display.

Parent topic: TK Fresh Plus System