(57) The present invention is to define a size of an indoor unit for air conditioner in
consideration of an installation space of an air conditioner in houses in recent years,
and to realize a high energy-saving performance (under APF standard) with dimensional
constraint, by a shape and a structure of an indoor unit.
The air conditioner includes a wall-hung type indoor unit, wherein the indoor unit
including a case having a suction opening either at an upper surface or a front surface,
or at the upper surface and the front surface, and a blowout opening at a lower surface,
and a cross flow fan which sends air suctioned from the suction opening into the case
to a blowout opening through an indoor heat exchanger, has a horizontal width of up
to 800 mm, and a height of up to 295 mm, a diameter of the cross flow fan is not less
than 100 mm but not more than 115 mm, and a number of stages in the indoor heat exchanger
is not less than 16.
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