| 摘要 |
PROBLEM TO BE SOLVED: To provide an air conditioner capable of unifying the specification on an indoor unit side by detecting erroneous wiring and ground-fault on an outdoor unit side.SOLUTION: In an air conditioner 1, an outdoor unit 10 and an indoor unit 20 connected by a connection line performs power feeding by using a live line 30 and a neutral line 40 out of the connection line, and performs communication by using a signal line 50 and the neutral line 40 out of the connection line. The outdoor unit 10 includes an outdoor unit fuse 11 arranged between a commercial power supply 60 to be connected and an outdoor unit live line terminal 17 connected with the live line 30. The indoor unit 20 includes: an indoor unit relay 25 for connecting an indoor unit live line terminal 26 for connecting with the live line 30, and an indoor unit signal line terminal 28 for connecting with the signal line 50; and an indoor unit fuse 22 arranged between the indoor unit live line terminal 26 and a later stage circuit for protecting the later stage circuit, and arranged on further later stage than a branch point 29 between the indoor unit relay 25 and the later stage circuit. |
