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I am using OpenStudio 1.5 and am modeling a VAV system. On my central air loop I have a TwoSpeed DX cooling coil and then a heating coil. The heating coil was initially modeled as electric, and the simulation ran just fine. I am now trying to replace that electric heating coil with a gas heating coil. The simulation always errors out after the sizing period, just after it says initializing simulation.

Is there a sizing object I need to add in OpenStudio? I'm not quite sure what it is that I'm missing. Any advice would be appreciated.

I am using OpenStudio 1.5 and am modeling a VAV system. On my central air loop I have a TwoSpeed DX cooling coil and then a heating coil. The heating coil was initially modeled as electric, and the simulation ran just fine. I am now trying to replace that electric heating coil with a gas heating coil. The simulation always errors out after the sizing period, just after it says initializing simulation.

Is there a sizing object I need to add in OpenStudio? I'm not quite sure what it is that I'm missing. Any advice would be appreciated.

I am using OpenStudio 1.5 and am modeling a VAV system. On my central air loop I have a TwoSpeed DX cooling coil and then a heating coil. The heating coil was initially modeled as electric, and the simulation ran just fine. I am now trying to replace that electric heating coil with a gas heating coil. The simulation always errors out after the sizing period, just after it says initializing simulation.

Is there a sizing object I need to add in OpenStudio? I'm not quite sure what it is that I'm missing. Any advice would be appreciated.