Samsung OH75A - Inlet and Outlet Types; Total Open Area of the Ventilation Holes and Ratio

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Inlet and outlet types
Ventilation opening ratio for air inlet and outlet should be minimum 50%.
Air inlet and outlet should be grid or mesh types.
"
Do not use the louver type as it has a limited intake size.
Grid type
Mesh type
Louver type
Total open area of the ventilation holes and
ratio
Follow the guide when combining the outdoor unit with the enclosure unit.
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If the instructions provided in this guide are not observed, the cooling system may not work
properly and may cause a malfunction, which will not be covered by warranty.
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Calculating Total open area of the ventilation and Ventilation opening ratio
Total Area of the Ventilation: 181 x 89 = 16109 mm⁲
Total open area of Ventilation holes : 20 x 20 x 32 = 12800 mm⁲
181 mm
3 mm
20 mm
89 mm
Total open area of
Ventilation holes
Total Area of the
Ventilation
Ventilation opening ratio:
=
12800 mm⁲
16109 mm⁲
x 100 = 79 %