Connections of storey controller and pump relay
Storey controller 1
1
Storey controller 2
1
Storey controller n
1
2
3
4
5
2
3
4
5
2
3
4
5
Configuration and electrical connection
HREL 1
6
7
8
9
6
7
8
9
6
7
8
9
1
A1
A2
2
10
11
12
RC PR
10
11
12
RC PR
10
11
12
RC PR
23