O good, sorry for mis understanding your problem. ZoneVentilation:DesignFlowRate could also do Exhaust.
Name ZoneVentilation:DesignFlowRate
Zone or ZoneList Name ZoneList
Schedule Name On
Design Flow Rate Calculation Method AirChanges/Hour
Design Flow Rate
Flow Rate per Zone Floor Area
Flow Rate per Person
Air Changes per Hour .35
Ventilation Type Exhaust
Fan Pressure Rise 600
Fan Total Efficiency .82
Constant Term Coefficient 1
Temperature Term Coefficient
Velocity Term Coefficient
Velocity Squared Term Coefficient
Minimum Indoor Temperature -100
Minimum Indoor Temperature Schedule Name
Maximum Indoor Temperature 100
Maximum Indoor Temperature Schedule Name
Delta Temperature -100
Delta Temperature Schedule Name
Minimum Outdoor Temperature -100
Minimum Outdoor Temperature Schedule Name
Maximum Outdoor Temperature 100
Maximum Outdoor Temperature Schedule Name
Maximum Wind Speed 40