| 摘要 |
PROBLEM TO BE SOLVED: To permit the transmission of an unstationary message from the side of a controller to the side of respective users easily and quickly by utilizing the remote controller indication of an indoor machine. SOLUTION: A message signal transmitting device 6, capable of transmitting the unstationary message signal different from a stationary control and management signal to all indoor machines 2 or an arbitrary indoor machine, is provided at the side of a central controller 5 for an air conditioner. On the other hand, a message signal receiving device 1a, capable of receiving the unstationary message signal, is provided at the side of respective remote controllers 1. In this case, a network, capable of transmitting and receiving the unstationary message signal between the side of the central controller and the side of respective remote controllers, is formed to indicate the signal received at the side of remote controllers in the indicating units 1b of the same. |
