| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a multi-type air conditioner of high reliability capable of continuing an air conditioning operation of the other indoor unit even when a power source of a part of indoor units is shut off, in the multi-type air conditioner in which an outdoor unit and the plurality of indoor units are connected by the same refrigerant piping, and operated by AC power sources of different systems. <P>SOLUTION: DC voltage for a first control at an indoor unit 2a side and DC voltage for a second control at a wired remote control 40 side are constituted to supply electric power to each other through a remote control wire 30 and a remote control crossover 31, thus the power supply to control blocks 31 of all of the indoor units and a remote-control block 47 of the wired remote control 40 can be continued as long as one of devices in a remote control group receives the power supply, even when shutoff of supply power is found in each of the indoor units and the wired remote control. <P>COPYRIGHT: (C)2013,JPO&INPIT |
