Outside-warehouse installation type air cooler for the refrigeration storage

The invention relates to the field of refrigeration equipment. The invention aims to provide the outside-warehouse installation type air cooler for the refrigeration storage, the outside-warehouse installation type air cooler comprises a cooler arranged outside the refrigeration storage, and the cooler comprises a box body and an exhaust fan arranged in the box body; an air inlet channel communicated with the interior of the box body is arranged on one side of the box body, the box body is communicated with a storeroom through the air inlet channel, and a refrigeration air inlet valve is arranged at the end, opposite to the storeroom, of the air inlet channel; an air outlet channel is arranged on the other side of the box body; and a defrosting air inlet and a defrosting air outlet are formed in the side portion of the air inlet channel and the side portion of the air outlet channel respectively. And a defrosting air inlet valve and a defrosting air outlet valve are respectively arranged at the defrosting air