AN AIR CONDITIONED APPARATUS WHICH RETURNS OIL FROM THE REFRIGERANT MACHINE TO THE COMPRESSOR BY TWO RESTRICTORS AND A METHOD OF CONTROLLING THE AIR CONDITIONED APPARATUS.

摘要

An air conditioned apparatus including a compressor (1), a heat exchanger with an internal side (3), a heat exchanger with an external side (5), an expansion equipment (4) provided between the heat exchanger with an interior side (3) and the heat exchanger with an external side (5), a four route valve (2) provided between the compressor (1) and the heat exchanger with an interior side (3) and between the compressor 81) and the heat exchanger with an external side (5), an oil separator (9) provided between the discharge output of the compressor (1) and the four route valve (2), a first restrictor (10) and a second restrictor (11) provided between the oil separator (9) and the suction input of the compressor (1), and an output and input valve (12) provided between the second restrictor (11) and the suction input of the compressor (1).