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At the Zone level of the Building Tree, a Zone Terminal box has been input as well as the Heating and Cooling Airflow values. The heating flowrate for this zone is lower than what is needed to provide the minimum code required ventilation for the zone.
At the Zone level of the Building Tree, in the Mechanical tab, compare the Heating Airflow input to the code required airflow reported in this message. Note that while you may have chosen to input lower ventilation rates in the Room Occupancy tab, the code minimum specified by the CEC in the CBECC ACM manual tables will always be used as the minimum so you cannot go below this number.
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