The MRCOOL MULTI6-48HP230C-O Olympus 4th Gen 48K BTU Multi-Zone Ductless Mini-Split Condenser is an outdoor heat pump condenser engineered to power compatible MRCOOL Olympus multi-zone ductless mini-split indoor air handlers. It works by circulating refrigerant between the outdoor condenser and connected indoor units to deliver efficient heating and cooling across multiple rooms. https://www.partshnc.com/mrcool-olympus-4th-gen-multi-zone-condenser-multi6-48hp230c-o