This relates to an air conditioner designed for ceiling-mounted bus, its purpose is to install ceiling-mounted air conditioning inside the bus to form a plurality of concentric guide for the air outlet to each heat exchanger is a condenser and been discharged to the outside air from being reintroduced into the air inlet to enhance the heat exchange efficiency, the guide guides the center improve the air discharge direction to provide a ceiling-mounted air-conditioned bus that allows you to install a grille formed inclined. The case 10 in the interior of the fan motor 20 and condenser 30 are built in, the air inlet 11 is formed on the side, for discharging air to the outside air discharged from the fan motor 20 to the upper surface In the ceiling-mounted air conditioning bus been grill 40 is installed in the outlet (12), the grill (40) to form a plurality of guide guide 41 concentrically, the guide guide 41 has an air discharge direction improved mainly formed inclined, and the air is discharged through the grill (40) to prevent re-introduced to the air inlet (11).
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