With a Ductless split system, the evaporator fan coil are going to inside the cellar and it will be attached to the compressor via two copper lines.
The evaporator and condenser are built into one unit which sits in the wall and vents by means of cellar towards adjacent room. https://harrington-lamb.blogbright.net/ruou-hennessy-ruou-cognac-hennnessy-nha-giam-pha-nha-dep