| 摘要 |
PROBLEM TO BE SOLVED: To provide an air-conditioner to increase the temperature of the heat- exchanger of an outdoor machine and reliably release a fronted state, and shorten a defrosting operation time. SOLUTION: When during a heating operation, a heating defrosting operation- deciding means 10 decides as a defrost starting condition, an outdoor machine control means 9 changes a cooling/heating shift means 12 to cooling operation to start heating defrost operation. An indoor machine control means 1, simultaneously, receives the information through a communication means. The indoor machine control means 1 is set such that the air direction of an air outlet is pointed to a suction port by an indoor machine air direction set means 5. The fan motor of an indoor machine is continuously run by an indoor machine fan motor operation means 4. |
