Split system with R410a gas and condensation control, consisting of an outdoor unit and an Low-head Ducted or High-head Ducted (horizontal installation) indoor unit. The outdoor unit uses DC inverter technology on both the fans and the compressors. The compressors are rotary. System operation is managed via microprocessor adjustment on non-polarised serial in CAN BUS protocol. The wired panel and infrared remote control are always supplied as standard with the indoor unit. A WRCS wired panel with integrated external contact is also available.