Question-and-Answer Resource for the Building Energy Modeling Community
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This error can be safely ignored though.
The ScheduleTypeLimits Unit Type field really isn't used by EnergyPlus at all. It's just used by the IDF Editor to display the right IP/SI units.
Source: Input/Output Reference
This field is used to indicate the kind of units that may be associated with the schedule that references the ScheduleTypeLimits object. It is used by IDF Editor to display the appropriate SI and IP units. This field is not used by EnergyPlus.
OpenStudio uses it for the same reasons, and there are very valid reasons to have added a few. MassFlowRate and volumetricFlowRate, SolarEnergy for example need to be converted to the right IP units too.
The "magic" happens here in ScheduleTypeLimits::units
Note: A quick fix would be just to add the OpenStudio extra options to the Energy+.idd that ships with OpenStudio.
