Which panel? Which stove? I assume you mean the side panel of the stove. Which stove do you have? This thread talks about at least two different stoves.
Here is a link for the USSC 6041I
(broken link removed to http://www.sylvane.com/media/documents/products/usstove-6041-pellet-stove-owners-manual.pdf)
Here is one for the cab 50
(broken link removed to http://www.hearthnhome.com/downloads/installManuals/7058_142.pdf)