14 Chapter 2 Installation Instruction
NetSure 731 CC2, NetSure 731 C62 Series Power Supply System User Manual
Connecting battery cables
Note
1. The batteries may have dangerous current. Before connecting battery cables, make sure that the battery fuses at the system side
and the battery M CBs at the battery side are switched off. If there are no battery M CBs at the battery side, users should
disconnect any one of the connectors between battery cells to avoid live state of the power system after installation.
2. Be careful not to reversely connect the battery . Otherwise, both the battery and the power system will be damaged!
3. When the load capacity exceeds 200A, it is recommended to connect two routes of batteries.
1. Connect one end of the negative battery cable to the upper terminal of the battery fuse. Connect one end of the
positive battery cable to the DC positive busbar. The positions of the connection terminals are shown in Figure 2 -5.
The specifications of the positive busbar connection screw is
¢
10mm.
2. Connect OT lugs to the other end of the two battery cables. Wrap all the bare parts with insulating tape, and put
them beside the battery. Do not connect the cables to the battery until the DC distribution unit is to be tested.
3. The wiring path of battery cable configured in NetSure 731 C62-X2 is shown in Figure 2-6.
Figure 2-6 Battery cable wiring path of NetSure 731 C62-X2
2.4.2 Connecting Signal Cables
All the signal cables are connected to the controller. The position of the controller i s shown in Figure 1-2 and Figure
1-3.
The interfaces of the controller are shown in Figure 2-7. The functions of the interfaces are listed in Table 2-4.
Battery
negative cable
Battery
positive cable