AIR CONDITIONER AND OPERATION METHOD FOR AIR CONDITIONER

摘要

PROBLEM TO BE SOLVED: To require no exclusive tank for newly replenishing a refrigerator oil to a cooling medium circuit since a recovery unit is used as a replenishing means for the refrigerator oil and to design an outdoor machinery in downsizing. SOLUTION: The air conditioner is provided with a compressor 2; an accumulator 6; a recovery unit 27 for recovering a liquid in the accumulator 6; and a cooling medium pipe for communicating these. The recovery unit 27 is also used as the replenishing means for the refrigerator oil. COPYRIGHT: (C)2004,JPO