Air Flow Direction; Enclosure Unit Design Guide; Inlet And Outlet Types - Samsung OM46N Installation Manual

Air flow direction

The semi-outdoor unit uses cooling fans to take in outside air to lower the internal temperature and discharge the hot air.
– When installing a semi-outdoor unit, remove any obstacles near the air inlet and outlet that may affect air flow.

02 Enclosure unit design guide

Inlet and outlet types

Air inlet and outlet should be grid or mesh types.
– Do not use the louver type as it has a limited intake size.
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Air outlet
Air inlet
Side view
Grid type
Mesh type
Louver type
OM46N / OM55N