Need Instruction Manual. I got a Hunter Quitflo that was donated. I do not know the owner and have

Question

I got a Hunter Quitflo that was donated. I do not know the owner and have no instruction manual. There is no Model number anywhere to be found and I have even taken it apart looking for one. This unit has 3 speeds is large and has a big display that can be programed extensivly for on and off times speeds excetra. I have looked, some things I'm good at with google but am hitting nothing but walls in my over 3 weeks off and on adventure hear. Any help would be deeply apprecitated. I appolijize for being so long winded hear.