OS Crashes When Opening Hydronic Loop

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Can you provide more details about the history of the model and what version of OpenStudio you are using.

David Goldwasser ( 2017-07-13 22:16:30 -0500 )edit

I am using version 2.1. What information about the history of the model will be helpful?

sspielman ( 2017-07-14 10:56:50 -0500 )edit

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answered 2017-07-14 11:37:57 -0500

sspielman
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updated 2017-07-14 16:36:57 -0500

I figured out the issue. I was deleting a cooling coil from the text editor without deleting the associated inlet and outlet nodes. Once I followed the OS IDs to the inlet and outlet nodes and deleted them OpenStudio no longer crashed when opening the HW loop.

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It may seem strange that a cooling coil affected the HW loop, but this coil was actually placed on the HW loop originally with a measure and subsequently deleted and replace with a DX cooling coil.

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Always use the app or the API to delete objects. If you do it in a text editor, residual objects will get reference/link errors and crash the app, particularly for HVAC objects.