| 摘要 |
PURPOSE: To improve the service for users during the renewal construction period, by carrying out the withdrawal work for the already installed landing buttons and the installation work for the newly installed landing bottons, during the operation of an already installed elevator by the temporarily installed landing buttons. CONSTITUTION: Already installed landing buttons 9A-9D are connected with the control panels 5 and 6 before renewal through a connection wire 11. After releasing this connection, the temporarily installed landing buttons 10A-10D are connected, separately from the already installed landing buttons 9A-9D with the connection wire 11. Through this connection change, the already installed landing buttons 9A-9D are put into each electrically separated state from the control panels 5 and 6, and even if the withdrawal work and the installation work for the newly installed landing buttons are carried out, the work can be carried out during the operation of the already installed elevator by the temporarily installed landing buttons 10A-10D. Accordingly, the service for users in the renewal construction period can be improved. |
