For single-phase and three-phase condensing and evaporator units. Cold rooms above and below freezing. Defrost by air/time or resistors. PROPlus is the comprehensive, single-device electronic solution for managing cold rooms, both above and below freezing, in conjunction with: Standard condensing units, fully enclosed condensation, as a service panel in decentralised systems. Electronic panels with overall 16 A thermo-magnetic protection, for controlling cold rooms, with up to 2 HP compressors, with the following components: Compressor/ Liquid solenoid, single-phase evaporator fans, defrost by air/time or electrical (up to 2,500 W 230 V/l). Electronic panel with thermo-magnetic circuit breaker for control circuits and resistors for controlling cold rooms, with the following components: Compressor/liquid solenoid, single-phase evaporator fans, defrost by air/time or electrical (up to 6.500 W 400 V/lII).