If you are the one changing the control settiing from freezer to refrigerator and not your PMT make sure to get contact info for the something or another control center. I cannot remember it's name but it is not CSC it was something else. Ask your PMT for the phone number because they need to know about your change so they can properly adjust alarm settings for that bunker in your store otherwise they think that the bunker is broken and will send a distress call to your store once the temps drop 5 F