| 摘要 |
An outdoor unit of an air conditioner includes: an outdoor fan; an outdoor air temperature detector; and a controller, wherein the controller performs: a fan defrost operation to circulate the refrigerant in the same order as in the case of a cooling operation and rotate the outdoor fan when the outdoor air temperature is within a predetermined temperature range, a fan defrost operation over a period of a first fan defrost operation time when the outdoor air temperature is lower than a first predetermined temperature, and a fan defrost operation over a period of a second fan defrost operation time that is longer than the first fan defrost operation time when the outdoor air temperature is equal to or higher than a second predetermined temperature that is higher than the first predetermined temperature. STARTFIG. 2 Ye STTAATNGOPRAIO CEIVE OUTDOOR AIR TEMPERATURE To DEFROST ST2 OPERATION START CONDITIONS ARE NSo SATISFIED D ST14 sST3 HEATING OPERATION RECEIVE DETERMINATION OUTDOOR AIR TEMPERATURE Toj DEFROST OPERATION ST7 PREPARATION PROCESS OPRTFAN DEFROCSTIO ST5 IS SATISFIED N Yes ST8 DEFROST ST6 FSET FAN DEFROST < OPERATION END CODTI0 ARE No TART MEASUREMENT SATIFIEDBY TIMER Yes ST10 F START FAN FAN DEFROST ST11 < OPERATION TIME HAS No PASSED Yes ::ST12 RESUMPTION PROCESS HEATING OPERATION |
