To Create a Duct System Definition

1. In the HVAC workspace, click Manage tab Style & Display panel Style Manager drop-down HVAC System Definitions .
2. Create the duct system definition:

   To…	then in the left pane of Style Manager…
   create a new, blank system definition	right-click Duct System Definitions, and click New. Enter a name.
   copy an existing definition, so you can modify the copy Tip: The default templates contain several system definitions to modify or copy.	do the following: Right-click the system definition you want to copy, and click Copy. Right-click Duct System Definitions, and click Paste. Right-click the copy, click Rename, enter a new name.

3. In General Description, enter a description for the duct system.
4. Specify values for other general properties common to systems in all engineering disciplines. For more information, see Creating Systems.
5. Specify a calculation method for duct sizing.