Question-and-Answer Resource for the Building Energy Modeling Community
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 | 1 | initial version |  |
The most common cause for an invalid outside boundary condition object is when there is a space in your model that has surfaces matched to another space, but the space is never put into a thermal zone. That space isn't exported to the IDF but the adjacent space still has a surface boundary conditions that refers to surfaces in the missing space. Look at the Unassigned Thermal Zone text in the screenshot on this post.
| | 2 | No.2 Revision |
The most common cause for an invalid outside boundary condition object is when there is a space in your model that has surfaces matched to another space, but the space is never put into a thermal zone. That space isn't exported to the IDF but the adjacent space still has a surface boundary conditions that refers to surfaces in the missing space. Look at the red Unassigned Thermal Zone text in the screenshot on this post.
