I have a wiring diagram for you to set up your refrigeration system for your machine. The diagram will show you which wires to connect together coming off the compressor. I always use a 3 n 1 off the compressor and use the wires from the compressor as the main source of power. This is a very valuable piece of paper. Electricians couldn't hook up a vintage machine with all the connections that have to be made. It will be sent in PDF to your email. This is invaluable