11
Figure 3-2 Connection method of output
3.3.2 Operation Procedure of External Battery for Long Backup
Time UPS
The battery connection procedure is very important for long backup model.
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 ZS110-1KS for 36VDC, ZS110-2KS for 72VDC,
ZS110-3KS 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
slot on the rear panel of the UPS to complete the connection procedure.
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Figure 3-3 Battery connection diagram for Long Backup time models
Note
：
The length of the external battery cable is 1.6 m, If users need a longer one,
please consult the distributor. There is a limit to the length of the external
battery cable to ensure normal operation of the UPS.
3.3.3 Connecting Communication Cable
1. Computer interface
