Boundary Condition U-factor Tags

Software/Versions Affected:

• THERM›6
• THERM›7

Always check the interior boundary condition U-factor tags to make sure that they are set correctly. THERM will assign them correctly in most cases, but there are some situations where they will not be generated correctly automatically. The two circumstances where this can happen are:

• When selecting all the boundary conditions on the interior of the model, and assigning them to the same boundary condition, the program will assign the U-factor tags to "None" for all these boundary conditions.
• If there is no "Frame" segment on the glazing system, the program may not assign the U-factor tags correctly. Frame will get assigned to the Edge area, and Edge will get assigned to the None area.