Assign the Internal Fan
Hide the case, air, and fan housing.

Select the fan.

Open the Materials quick edit dialog in ONE of the following ways:
- Click Edit from the toolbar:

- Click Edit from the Materials context panel:

Material DB Name = My Materials
Type = Internal Fan/Pump
Name = Fan

Click the X button on the Flow Direction dialog.

Note: The flow direction should be in the positive X direction (1, 0, 0).
Click Apply.
