03 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.
Grid type
Mesh type
Louver type
Vent opening design guide
Follow the guide when combining the semi-outdoor unit with the enclosure unit.
–
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.
–
The ventilation opening ratio should be minimum 50 %.
–
Calculating the total area of the ventilation and ventilation opening ratio
Total area of the ventilation: 181 x 89 = 16,109 mm
Total open area of the ventilation holes: 20 x 20 x 32 = 12,800 mm
181 mm
3 mm
20 mm
89 mm
Ventilation opening ratio:
Total open area of the ventilation holes
=
12,800 mm
x 100 = 79 %
Total area of the ventilation
16,109 mm
English - 18
OM46N-D / OM55N-D
