A:Answer The model allows 3 options for venting, download the installation guide, I believe it is page 12 and 13, and it advises 3 possible Ventilation types (choose A, B or C):
- A. Outside top exhaust (vertical duct)
- B. Recirculating (non-vented ductless)
- C. Outside back exhaust (horizontal duct)
https://downloadcenter.samsung.com/content/EM/202107/20210727164142515/Install_ME11A7510DS_AA_DE68_04709A_00_EN_MES_210616.pdf