| 摘要 |
<p>PURPOSE:To provide a hot water supplier which makes the use of old remote controllers ineffective and the use of only the newest remote controller effectively when a communication ID different from those of the old remote controllers is registered or updated. CONSTITUTION:On the side of remote controllers 2, 3..., a 1st communication ID storage means 47 which stores a communication ID consisting of at least a hot water supplier number characteristic to a hot water supplier main body l and a remote controller history number is stored is provided, and on the side of the hot water supplier main body 1, a 2nd communication ID storage means 27 which stores the communication ID, a communication ID update means 23 which updates the remote controller history number and updates the communication ID in the 2nd communication ID storage means 27 when the registration or update of the setting of a remote controller is newly indicated, and a communication ID setting means which sends the updated communication ID to the side of the remote controllers 2, 3 ... and updates the communication ID in the 1st communication ID storage means 47 when the communication ID update means 23 updates the communication ID in the 2nd communication ID storage means 27 are provided.</p> |
