| 摘要 |
PROBLEM TO BE SOLVED: To determine the propriety of a refrigerant quantity in a refrigerant circuit while suppressing operation load. SOLUTION: This air conditioner comprises the refrigerant circuit 10 constituted by connecting a compressor 21, an outdoor heat exchanger 23, indoor expansion valves 41, 51 and indoor heat exchangers 42, 52; an operation control means capable of performing refrigerant quantity determining operation for controlling constitutive equipment so that a refrigerant circulation quantity Wc which is a refrigerant quantity circulated in the refrigerant circuit 10 is constant; and a refrigerant quantity determining means for determining the propriety of the refrigerant quantity in the refrigerant circuit 10 using the operating state quantity of the constitutive equipment or a refrigerant flowing in the refrigerant circuit 10 in the refrigerant quantity determining operation. COPYRIGHT: (C)2008,JPO&INPIT
|
