You use the Outdoor Air Information dialog to specify the settings used to calculate outdoor airflow for the zone. The heating and cooling loads are calculated based on the largest calculated airflow. You access this dialog by clicking Edit for Outdoor Air Information in the Instance Properties dialog for the selected zone.
You can specify values for individual Outdoor Air options, or you can specify values for all 3 options. Calculations for heating and cooling loads always uses the largest calculated airflow.
Select the following options from the Outdoor Air Information dialog: