Specifying A Calculation Method For Duct Sizing - Autodesk 235B1-05A761-1301 - AutoCAD MEP 2010 User Manual

1 In
2 Create the duct system definition:
3 On the General tab, enter a description for the duct system definition.
4 Specify values for other general properties that are common to systems in all disciplines:
5 Specify a calculation method for duct sizing. For more information, see

Specifying a Calculation Method for Duct Sizing

You must specify duct sizing parameters for each duct system on which you will use
and Tools on page 169.
1 In
2 On the Style Manager, select a duct system under Duct System Definitions.
3 In the right pane of Style Manager, select the Design Parameters tab.
4 Specify which method to use to calculate duct sizes:
182 | Chapter 6 Drawing HVAC Systems
the HVAC workspace, click Manage tab
drop-down HVAC System Definitions
If you want to...
create a new, blank system definition
copy an existing definition, so you can
modify the copy
mechanical, electrical, and plumbing. For more information, see
Method for Duct Sizing on page 182.
the HVAC workspace, click Manage tab
drop-down HVAC System Definitions
If you want to...
use the constant velocity method
use the equal friction method
The fixed parameter value is displayed in the Add Duct dialog and Modify Duct dialog, and is
indicated with an asterisk (*).
Style & Display panel
.
then in the left pane of Style Manager...
right-click Duct System Definitions, and click New. Enter a name,
and press ENTER.
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, and press
ENTER.
Style & Display panel
.
Then...
select Velocity, and enter a value.
select Friction, and enter a value.
Style Manager
Creating Systems on page 95.
Specifying a Calculation
Duct Sizing Methods
Style Manager