(57) The present invention provides an air conditioner including a case, a compressor
provided in the case, an evaporator, a condenser, an air duct system for heat ventilation
or air refrigeration selectively, and piping members used thereof. The said compressor
is positioned at the bottom of the case, and the said evaporator and condenser are
mounted above the compressor side by side. The said air duct system is provided in
the top of the case. On each side of the said case there are cooled air outlet for
evaporator and heated air outlet for condenser. The air conditioner is convenient
to use and a 4-way solenoid valve and repeated piping members, regularly used for
transition between heating and cooling, are left out. The air conditioner provided
by this invention is in a structure type of single refrigeration, but has function
of cooling and heating.
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