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After importing an osm-file Version 1.4.0 into OpenStudio 1.8.0, in the HVAC air-loop the setpoint manager symbol is lost, as displayed in the following image:

But this apparently was not the real problem: Starting a simulation run leads to an EnergyPlus crash, with an err-file of zero size. If the osm-file is exported to an idf-file and this idf-file is used to start a simulation, EnergyPlus also crashes. After some investigation I found that in the OS-exported idf-file there was no DesigSpecification:OutdoorAir object, although such objects exist in the osm-file version. After inserting a DesigSpecification:OutdoorAir object plus zone sizing references to this object, the EnergyPlus simulation was running without fatal error.

My initial diagnosis is that Openstudio does not create proper zoneHVAC sizing outputs for EnergyPlus (apart from the lost setpoint manager symbol bug) and there is also a bug in EnergyPlus which does not recognize the exception.

OS Version: 1.8.0 /EP 8.3.0 (Windows 7, 32bit)

After importing an osm-file Version 1.4.0 into OpenStudio 1.8.0, in the HVAC air-loop the setpoint manager symbol is lost, as displayed in the following image:

But this apparently was not the real problem: Starting a simulation run leads to an EnergyPlus crash, with an err-file of zero size. If the osm-file is exported to an idf-file and this idf-file is used to start a simulation, EnergyPlus also crashes. After some investigation I found that in the OS-exported idf-file there was no DesigSpecification:OutdoorAir object, although such objects exist in the osm-file version. After inserting a DesigSpecification:OutdoorAir object plus zone sizing references to this object, the EnergyPlus simulation was running without fatal error.

My initial diagnosis is that Openstudio does not create proper zoneHVAC sizing outputs for EnergyPlus (apart from the lost setpoint manager symbol bug) and there is also a bug in EnergyPlus which does not recognize the exception.

I will send you the osm crashing file via email. OS Version: 1.8.0 /EP 8.3.0 (Windows 7, 32bit)

After importing an osm-file Version 1.4.0 into OpenStudio 1.8.0, in the HVAC air-loop the setpoint manager symbol is lost, as displayed in the following image:

But this apparently was not the real problem: Starting a simulation run leads to an EnergyPlus crash, with an err-file of zero size. If the osm-file is exported to an idf-file and this idf-file is used to start a simulation, EnergyPlus also crashes. After some investigation I found that in the OS-exported idf-file there was no DesigSpecification:OutdoorAir object, although such objects exist in the osm-file version. After inserting a DesigSpecification:OutdoorAir object plus zone sizing references to this object, the EnergyPlus simulation was running without fatal error.

My initial diagnosis is that Openstudio does not create proper zoneHVAC sizing outputs for EnergyPlus (apart from the lost setpoint manager symbol bug) and there is also a bug in EnergyPlus which does not recognize the exception.

I will send have sent you the osm crashing file via email. OS Version: 1.8.0 /EP 8.3.0 (Windows 7, 32bit)