Split type fresh air conditioner with heat-recovery evaporation-condensation function

The utility model discloses a split type fresh air conditioner with heat-recovery evaporation-condensation functions, which comprises a refrigeration host machine, an indoor unit and an outdoor unit, wherein, the indoor unit comprises an indoor fresh air outlet formed at the top of the machine body, a centrifugal blower at the bottom of the machine body, an outdoor fresh air inlet below the back of the machine body, and an evaporator in the passage between the indoor fresh air outlet and the outdoor fresh air inlet; the outdoor unit comprises an evaporation type condenser; an indoor air return inlet is formed at the bottom of the machine body of the outdoor unit, an outdoor discharge air outlet is formed at the top of the machine body, and the evaporation type condenser is arranged in the middle of the machine; and the indoor return air is sucked by the outdoor unit and is sent to the evaporation type condenser to serve as the cooling inlet air; as the low-temperature low-humidity indoor air return is utilize