When I moved my 75 into my 210, it did not cycle again. Then again, I had 80 lbs. of live rock in the 75, and I had another 170 in buckets all cured and ready to go in my 210. I also used 2 bottles of Turbo Start to add a boost in biological bacteria as well.
The 200 lbs. of more sand, as well as the live sand, may present you with a problem though.