Close control unit with direct expansion for vertical installation. Optional heating element, humidifier and dehumidifier are available for a precise temperature and humidity control. Particularly suitable for precision air conditioning in server rooms/ IT rooms and all technological applications. The inverter compressor allows modulation of the cooling capacity. This makes the unit particularly efficient at part loads, optimizing the power consumption and lowering the starting current. Electronic expansion valve and EC inverter fans are fitted as standard in this model. To be used with an RCE external air condenser.