9
3 Installation
Figure 3-3 Connection method of terminal block for 3K(S)
Caution: Do not connect the loads with terminal block by the personal without quali-
fied 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 C1KS for 36VDC, C2KS for 72VDC, C3KS 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 con-
nect 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.
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