In a Duct
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The Set CFM Total In a Duct command is used to set the total airflow in a duct. The airflow is distributed to all of the diffusers connected to the selected duct.
To set the total airflow of diffusers connected to a single duct, go to
Ribbon: DM HVAC->Diffusers-> Set CFM Total In a Duct
Pulldown Menu: DM HVAC->Set CFM Total->In a Duct
You will be prompted to select the duct for which the total airflow for all connected diffusers is to be set.
Select duct or label:
The Adjust Duct CFM Total dialog box will appear.
Adjust Duct CFM Total Dialog Box
Old CFM: The current airflow through the duct.
New CFM: The new airflow for the duct.
See the Average CFM in Diffusers and Prorate CFM in Diffusers fields.section for more information about the
Setting the Total Airflow in a Duct
When the values in the dialog box are set correctly, press the OK button. The new CFM value will be set in the diffusers connected to the duct.
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