Installation
3.4External Electrical Connections
The external electrical connections may be accessed by removing the protective panel on the rear of the UPS (see Figure 2) (panel ships loose from factory). Select a conduit knockout appropriate for your cabling, based on local electrical codes.
! WARNING
Before removing electric protective panel, ensure that the UPS is isolated.
Figure 4 Side view
Rear Panel
Cable Entry Cover
NOTE
Once installation has been completed, adjust leveling feet to prevent the UPS from moving.
3.5Connecting Utility and Load
Connect the utility supply to the input terminals of the UPS. If the Liebert®
3.6Terminal Blocks for UPS
! CAUTION
Power is connected through the input breaker, even when the UPS is in bypass mode. Opening the input breaker when in bypass mode will disconnect output power to the connected load.
Figure 5 Single source input supply—input and output connections
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BYP | L1 | L2 |
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| GET | X1 | X2 | X3 | X4 |
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Single Feed
120
208 220
120
Jumper
240
0
9