As an update, have to tell you. My cooling fan works great and I have rarely even seen my chiller go on. Had gone on once and my alarms for my controller went crazy. Obviously, had to tweak my alarm settings. I have had the room go to 88 degrees and fan still kept tank at 78. So works great.
For some reason, my 2 controllers seemed to be off by 1 degree. So I moved the temperature probes closer to each other.