To Add a Label or Flow Arrow to an Existing Duct

1. In the HVAC workspace, choose an action below:
   • Click Annotate tab Label panel MEP Label .
   • Open the Annotation tool palette, and select a label tool.
2. In the Properties palette General Style, specify a selection.
3. Under Layout Method, specify how many labels or flow arrows to add to each duct segment you select, as follows:

   To...	then...
   Specify the total number of labels or flow arrows to display on each duct segment	select By quantity, and enter a value for Number of labels. Note that the number of labels or flow arrows is automatically added to each straight segment.
   Insert a label or flow arrow at a uniform interval on each duct segment	select By distance, and enter a value for Distance between. Note that if a duct segment length is less than the interval distance, a label or flow arrow is not added to that segment.

   

   Flow Arrows Spaced Evenly, 1 per segment

   

   Flow Arrows Repeated at a Uniform Interval

4. In the drawing, select the objects you want to label, and press Enter.
5. If you specified One by one for the layout method, specify the location on the duct to add the label.

   By default, the label is placed along the duct segment. Press Ctrl before specifying the label location to move the label off the duct.

Remember: Label styles can be configured to display properties such as duct diameter or system type.