9
2. Use AWG14 (2.1mm²) wires for wiring configuration;
3. Upon completion of the wiring configuration, please check whether the wires are securely affixed;
4. Put back the terminal block cover to the rear panel.
Figure 3.3-3 Connection method of terminal block for CX3K (L)
Note:
Do not connect the loads with terminal block by the personal without qualified training
3.3.2 Operation procedure of external battery for long backup time UPS
The battery connection procedure is very important. Any incompliance may result in the risk of electric
Shock. Therefore, the following steps must be strictly complied with:
1. First connect in series the batteries of the pack to ensure proper battery voltage that CX1KL for 36VDC,
CX2KL for 72VDC, CX3KL for 96VDC.
2. Take out the battery cable delivered with the UPS, one end of the external battery cable is a plug for
Connecting the UPS; the other end has 3 open wires for connecting the battery pack.
3. Connect the external battery cable to the battery terminal (DO NOT connect the battery socket of the UPS
First. Otherwise, it may cause electric shock). Connect the red wire to the “+” terminal of the battery. The
Black wire is connected to the “-” terminal of the battery. The green/yellow wire is grounded for protection
Purpose.
4. Connect the plug of the external battery cable to the external battery socket on the rear panel of the UPS to
Complete the connection procedure.