Liebert UHA1R-0100 User Manual page 30

22 Chapter 2 Single UPS Installation And Commissioning
3. Use the user-prepared red line and black line to connect the positive pole and the negative pole of the battery input
MCB to the positive pole and the negative pole of the battery string respectively.
4. Insert the PP45 plug into the battery port on the rear panel of the UPS, as shown in Figure 2-25.
UPS
＋
－
Battery input MCB
＋
-
PE
Battery
cabinet
Figure 2-26 Battery cable connection for long back-up UPS
Connecting long back-up UPS to standard battery modules
When the long back-up UPS is connected to the standard battery modules, a battery cable A shown in Figure 2-23
should be used.
The connection procedures are as follows:
1. Make sure that all the external I/O MCBs of the UPS are open.
2. Confirm with a voltmeter that no DC voltage is present on the battery ports shown in Figure 1-2 on the rear panel of
the UPS.
3. Connect the red, black and green terminal at one end of the battery cable A to the corresponding terminals of the
battery port on the rear panel of the UPS, and connect the other end of the battery cable A to one of the battery ports
of the battery module 1 and the battery module 2, as shown in Figure 2-27.
4. Insert one end of the battery module accessory cable to the other port of the battery module 2, and the other end to
one of the ports of the battery module 3. Repeat the preceding procedures.
Liebert ITA 10kVA UPS User Manual
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