Eaton 93PM Installation And Operation Manual

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Contents

UPS System InstallationEaton 93PM UPS (60–100 kW, 480V) Installation and Operation Manual P-164000227—Rev 2 www.eaton.com/powerquality 4-54.6 External AC Power Wiring InstallationTo install wiring:1. Open the front door by lifting the latch from the bottom and turning to the right (counterclockwise) andswing the door open.2. Remove the screws securing the bottom internal safety shield panel and remove the panel to gain accessto the input, output, and battery power wiring terminals. Retain the hardware for later use.3. If wiring the UPS using the top entry sidecar, proceed to Step 7; otherwise proceed to Step 4.4. Bottom Entry Wiring. Remove the bottom conduit plate (see Figure 4-3) from the inside bottom of theUPS. Identify all conduit requirements and mark their location. Drill and punch all conduit holes in thebottom conduit plate prior to mounting on the UPS. Install the conduit plate and install all conduit runs intothe plate. Pull the wiring through conduit into the wiring area.5. Route the input and output cables through the bottom of the cabinet to the UPS terminals. See Figure 4-3for wiring access information and Figure 4-6 for terminal locations.6. Proceed to Step 11.7. If not already accomplished, remove the bottom screw securing the sidecar front panel. Lift the panelstraight up to remove from the panel hanger brackets at the top of the cabinet.8. Remove the screws securing the sidecar internal safety shield panel and remove the panel to gain accessto the interior of the sidecar and the UPS inter-cabinet wiring access pass-through. Retain the hardwarefor later use.9. Top Entry Wiring. Remove the top conduit plate (see Figure 4-4) from the top of the sidecar. Identify allconduit requirements and mark their location. Drill and punch all conduit holes in the top conduit plateprior to mounting on the sidecar. Install the conduit plate and install all conduit runs into the plate. Pull thewiring through the conduit into the wiring area.10. Route the input and output cables through the top of the UPS sidecar and the UPS inter-cabinet wiringaccess pass-through to the UPS terminals. See Figure 4-4 and Figure 4-5 for wiring access informationand Figure 4-6 for terminal locations.11. Connect phase A, B, and C rectifier input power wiring from the utility source to the rectifier inputterminals. See paragraph 3.2.2 for wiring and termination requirements.For a detailed view of the UPS terminal blocks, see Figure 4-7.12. Connect phase A, B, and C bypass input power wiring from the utility source to the bypass inputterminals. See paragraph 3.2.2 for wiring and termination requirements.For a detailed view of the UPS terminal blocks, see Figure 4-7.13. Connect phase A, B, and C 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 blocks, see Figure 4-7.