Your HVAC system incorporate a Dedicated Outside Air System (DOAS) to provide the Outside Air ventilation for the Zone identified in this message. At the mechanical tab, you have not specified a valid Cooling Supply Air flowrate from the DOAS to provide the ventilation air. This CFM must fall between the minimum required OA but cannot exceed the airflow specification given for the VRF terminal unit (Zonal System).
At the Zone level of the tree, Mechanical Tab, change the Cooling Supply Airflow rate per the messaging requirements.
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