Where can I find documentation for Obsolete Equipment?

Documentation for obsolete AAON equipment can be downloaded from the AAON website.

From www.AAON.com, navigate to the top toolbar. Click on Solutions.

Under Products, click on Obsolete Equipment.

This will take you to the Obsolete Products webpage.

Click on Resource Library. 

Click on the Obsolete Product you need, this will take you to its product page where you can find information and documentation like the Startup Form or Installation, Operation, and Maintenance Guide.