Independent EEV driver module with pLAN protocol to be connected to pCO sistema controllers. This is an ideal solution for precision air-conditioning units, shelter, chillers, heat pumps suitable for the applications where the functions of the unit are more important than the cost. It manages the most common EEVs available in the market up to large cooling capacities ( > 50 kW) .The application software of pCO sistema controllers can be easily customized so as to adapt its operation to the specific needs of the installation.