| 摘要 |
PROBLEM TO BE SOLVED: To newly install an engine-driven outdoor machine by disusing a motor-driven outdoor machine and, at the same time, to continuously use an already installed indoor machine in a cooperating way with the new outdoor machine by electrically connecting the machines to each other at the time of remodeling an air-conditioning facility composed of the indoor machine and outdoor machine. SOLUTION: A sequencer 25 is installed to a new outdoor machine 30 and, at the same time, a fan coil controller 27 is installed to an already existing outdoor machine 1 and connected to the sequencer 25 through a main signal line. At the time of connecting the controller 27 to the sequencer 25, it is to be desirable to connect the controller 27 to the sequencer 25 through a pair of transmission-reception modules 26 and 28. |
