Eaton 93PM UPS, Installation And Operation Manual

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UPS System Installation
Eaton 93PM UPS (20–50 kW, 480V Four Wire – 50 kW Frame) Installation and Operation Manual P-164000540—Rev 4 www.eaton.com/powerquality 4-7
16. Connect phase A, B, C and Neutral power wiring from the output terminals to the critical load. See
paragraph 3.2.2 for wiring and termination requirements.
For a detailed view of the UPS terminal blocks, see Figure 4-8.
WARNING
As a result of the connected loads high leakage current is possible. Connection to earth ground is
required for safety and proper product operation. Do not check UPS operation by any action that
includes removal of the earth (ground) connection with loads attached.
17. Ground the UPS according to local and/or national electrical wiring codes by routing and connecting the
ground wire to the input ground lug. See Figure 4-7 for UPS terminal locations.
For a detailed view of the UPS ground terminals, see Figure 4-8.
18. Proceed to paragraph 4.6.
Figure 4-4. UPS Conduit and Wire Entry Locations