Here is the breakdown of the typical controller for better understanding. The inverter based compressor can regulate the speed of the compressor depending on the load required. The non-inverter split air conditioner basically consists of a ON/OFF compressor where the compressor is either ON fully or OFF fully. The power input can come from the indoor unit to the outdoor unit. Copper pipes are used to connect the flow of refrigerant between the indoor unit and the outdoor unit. The indoor unit basically consists of an evaporator, an expansion valve and a fan. This is the place where heat from the indoor is transferred from the indoor to the outdoor and is rejected to the surrounding. The outdoor unit consists of a compressor, a fan and the condenser. A split air conditioner is also commonly known as ductless split or mini split where there is an outdoor unit and an indoor unit.
