I'm finally able to go camping next week! I booked a site at a state campground (no hookups) for Monday to Monday. A couple days during the week we need to go back home. Is it safe to leave the fridge running on propane while I'm gone for a couple days? I'd like to leave the camper fully supplied the whole time, and the fridge cold. If I have to shut it off, it'll take hours and hours to cool it back down when I return. Thanks for any input!