Can't find the video but here is some info and adjustment instructions. It looks like the default is 3:45 of max pump time and the max allowed is 14, I don't know what minimum allowed is.
good luck with the JBJ....I have used a Reef Fanatic/AquaLifter set up on my 40B for years without any issues so you should be good to go as well...
I recently installed an Elos Digital Osmo on my 8 gal nano, since I had no room for a traditional float switch sensor, and I can honestly say I am extremely impressed with it so far
enjoy "no more" manual top offs and SG stability...