I searched their website and couldn't find any manual for this model. Sorry baylea, I don't think they have one, there is an 'installation guide' there on their website here:
I don't know if this helps at all, they have a couple links to videos on youtube though, so if you haven't checked out the Zenithink Support page, it might be worth a look. Welcome to the board, glad you could join us. If you didn't see it we have a few Zenithink forums you can check out here: