User manual is the good source to explore the information about working, installation and the service of the air conditioner. These manuals also hold the information about the each and every part of the Ac and the warranty implementation scenario. You can freely download Frigidaire air conditioner booklet from my manual collection each link will redirect you to the official site of the brand.
Window-Mounted Room Air Conditioner
Built-In Room Air Conditioner
Portable Room Air Conditioner
For any other Frigidaire AC you have, find your manual here on official Frigidaire Website