hello how are you, the truth is not easy to explain what you ask, the part of 24vdcc is of command, the motorcycle compressors become 380v depending on where you are, Weights of high and low enable, for lack or over price of coolant, that will enable the engine start contact, in turn you have to put an x face detector if one is missing that the engine Don't boot in two. you have the reversing valve if it is cold / hot there are several things that really have to look good, good, good there are also engines that have a resistance to heat the oil that are placed in parallel with the engine