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Maximum Airflow available through an ERV

I have an ERV which is providing a maximum airflow through the heatwheel. This maximum is below the ASHRAE 62.1 minimum for the system that it is connected to. The ERV does have still an OA bypass.

How do I set the maximum amount of air that can flow through the ERV so that the ERV air + the extra OA needed by the zone 62.1 minimum will go into the mixed air loop in my AHU?