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 free download Sunpentown air conditioner booklet from my manual collection each link will redirect you to the official site of the brand.
WA-8011S 8,000BTU Window Ac
WA-1011S 10,000BTU Window Ac
WA-1211S 12,000BTU Window Ac
WA-1220E BTU 12,000 Cooling Only
For any other Sunpentown AC you have, find your manual here on official Sunpentown Website