Mitsubishi Electric MXZ-2F33VF3 Manual De Instalación página 6

C) Create an appropriate ventilation open area.
Make sure that the width of the open area is 0.9 [m] or more and the height of the open area is 0.15 [m] or more.
However, the height from the bottom of the installation space to the bottom edge of the open area should be 0.125 [m] or less.
Open area should be 75% or more opening.
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1-4-2. Minimum installation area for Indoor units
Install in a room with a floor area of Amin or more, corresponding to refrigerant quantity M (factory-charged refrigerant + locally added refrigerant).
Install the indoor unit so that the height from the floor to the bottom of the indoor unit is h0;
for wall mounted: 1.8 m or more;
for ceiling suspended, cassette and ceiling concealed: 2.2 m or more;
for floor standing : refer to indoor unit Installation manual.
There are restrictions in installation height for each model, so read the installation manual for the particular unit.
Case 1: for wall mounted, ceiling suspended, cassette and concealed
h0 ] 2.2 [m]
Ceiling suspended
4
75% or more opening
Width W 0.9 [m] or more
M [kg] Amin [m²]
1.0 3
1.5 4.5
2.0 6
2.5 7.5
3.0 9
3.5 12
4.0 15.5
4.5 20
5.0 24
5.5 29
6.0 35
6.5 41
7.0 47
7.5 54
Height from the bottom
0.125 [m] or less
h0 ] 2.2 [m]
Cassette
Height H 0.15 [m] or more
h0 ] 1.8 [m]
Wall mounted
h0 ] 2.2 [m]
Ceiling concealed