[EnergyPlus_Support] Min ODA rate is not being met?

["jeannieboef" <jeannieboef@xxxxxxxxx>]

Min ODA rate is not being met. Resulting airflow is 0.03 m3/s which is smaller than the 0.175 Min ODA rate input in the sizing object.

Any idea why?

!JMM VENTILATION 118204
Sizing:System,
  118204 AHU,                                              !- AirLoop Name
  Sensible,                                                !- Type of Load to Size On
  0.175000,                                                !- Design (minimum) outside air volumetric flow rate {m3/s} !630 m3/hr
  1,                                                       !- Minimum System Air Flow Ratio
  7,                                                       !- Preheat design set temperature {C}
  0.008,                                                   !- Preheat design humidity ratio {kg-H2O/kg-air}
  11,                                                      !- Precool design temperature {C}
  0.008,                                                   !- Precool design humidity ratio {kg-H2O/kg-air}
  13,                                                      !- Central cooling design supply air temperature {C} ! For cooling room setpoint 24°C as per G3.1.2.8  deltaT = 11°C
  32,                                                      !- Central heating design supply air temperature {C} ! For heating room setpoint 21°C as per G3.1.2.8  deltaT = 11°C
  NonCoincident,                                           !- Sizing Option
  No,                                                      !- 100% Outdoor Air in Cooling
  No,                                                      !- 100% Outdoor Air in Heating
  0.008,                                                   !- Central cooling design supply air humidity ratio {kg-H2O/kg-air}
  0.008,                                                   !- Central heating design supply air humidity ratio {kg-H2O/kg-air}
  DesignDay,                                               !- Cooling Design Air Flow Method
  0,                                                       !- cooling design air flow rate {m3/s}
  DesignDay,                                               !- Heating Design Air Flow Method
  0;                                                       !- heating design air flow rate {m3/s}



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