Operating instructions

UPS System Installation
Eaton 9E UPS (40–60 kVA, 208/220V) Generation 3 Installation and Operation Manual P-164000302—Rev 1 www.eaton.com/powerquality 4-9
5. Connect phase A, B, and C, and Neutral bypass input power wiring from the utility source to the bypass
input terminals and neutral terminals. See paragraph 3.2.2 for wiring and termination requirements.
For a detailed view of the UPS terminal block, see Figure 4-8.
6. Connect phase A, B, and C, and Neutral (if required) power wiring from output terminals and neutral
terminals to the critical load. See paragraph 3.2.2 for wiring and termination requirements.
For a detailed view of the UPS terminal block, 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.
7. 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.
8. If wiring interface connections, proceed to paragraph 4.11; otherwise, proceed to Step 9.
9. Install the power terminal cover top using the provided hardware (see Figure 4-9).
10. Install the power terminal cover right and left sides using the provided hardware.
11. Proceed to paragraph 4.13.