The trailers come with freezers and refrigerators. There are two different types of refrigerator units. There’s a primary unit and a secondary. If you encounter issues, you’ll be able to have a backup. Generators should be run through on the refrigerator. It’s essential to take into consideration the length of and the source of your cable, along with the breakers are you using. In the beginning, you’ll need to fire up the generator. The black cord should be connected to one of the circuits. Make sure that all switches are off inside your box. Make sure that you turn your main power switch and unit on. Follow these steps to establish the temperature you want. There are a few issues you may encounter. If you do not use generators, you might not have enough energy. Turn off the source of power and plug it into a power source. Change to the secondary device if this cannot resolve the issue. Controls can be operated from one side over the other. For more details, please check out this video. nhsttygfaq.