| 摘要 |
PROBLEM TO BE SOLVED: To provide an installation method of an adapter pool box and a controller which has sufficient work ability, and which achieves installation thereof at short time at a low cost when a new pool box is installed in renewal of a controller.SOLUTION: An adapter pool box 1 is disposed on plural existing pool boxes 3, and has a new controller mounted thereon. The adapter pool box 1 has length equal to arrangement length of the plural existing pool boxes 3, and has an inner space 5 in which there is no partition from one end opening to the other end opening. |
