Set CFM Total In Multiple Diffusers
The
To set the total airflow of multiple diffusers on the drawing, go to
Ribbon:
Pulldown Menu:
You will be prompted to select the diffusers for which the total airflow is to be set.
Select objects:
The Set CFM Total in Multiple Diffusers dialog box will appear.
Set CFM Total in Multiple Diffusers Dialog Boxâ
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 Old CFM: The current airflow through the diffusers.
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 New CFM: The new airflow for the diffusers.
See the CFM Setting Adjustment Methods section for more information about the đ Average CFM in Diffusers and đ Prorate CFM in Diffusers settings.
Setting the Total Airflow in Multiple Diffusersâ
When the values in the dialog box are set correctly, press the button. The new CFM value will be set in the selected diffusers.