| 摘要 |
PROBLEM TO BE SOLVED: To facilitate a work for setting a desired swimming pool environment. SOLUTION: Engines and devices are installed on a swimming pool 3 to change available environment thereof 3. A controller 4 controls the devices. A terminal T is so arranged to freely receive a program for controlling the controller 4. The terminal T receives the program stored in a server S connected through a network to control the controller 4. |
