INSTALLING OPTIONS AND ACCESSORIESEaton Power Xpert 9395P-1200 UPS (1200 kVA, 1200 kW) Installation and Operation Manual P-164000500 Rev 4 www.eaton.com/powerquality 5-135.5 Installing an Optional Supervisory Contact Module IITo install SCM II wiring:1. Verify the UPS system is turned off and all power sources are removed. SeeChapter 7, “UPS Operating Instructions,” for shutdown instructions.2. Perform the procedure listed in paragraph 5.1.NOTE If mounting to a hollow wall, secure the enclosure to a wood or metal stud within the wall. Do notuse hollow wall anchors.3. Securely mount the SCM II at the desired location. See Figure 5‐14 for mountinghole locations.NOTE When installing signal wiring for CAN card J3 terminals, conduit must be installed between thedevice and the UPS cabinet.4. Remove the ISBM cabinet top right interface conduit landing plate to drill orpunch conduit holes (see Figure 4‐16).5. Reinstall the conduit landing plate.6. Install conduit between the UPS and SCM II. See Figure 5‐14 for SCM IIknockout hole location.7. Install wiring between the UPS and SCM II. See Figure 5‐2 and Table 5‐1 for thePowerware Hot Sync CAN Bridge Card terminal location and wiring information,and Figure 5‐10, Figure 5‐8, and Table 5‐5 for the SCM II terminal location andwiring information.NOTE 120 Vac for the SCM II should be supplied from the critical bus by facility planners or the customer.8. Install 120 Vac power wiring from the critical bus to the SCM II. See Figure 5‐10,Figure 5‐8, and Table 5‐5 for the terminal location and wiring information.GroundTerminalTerminal TB1 SignalConnections from the UPSTerminal TB3120 Vac PowerTerminal TB2 CustomerSupervisory Contact InterfaceFigure 5‐10. Supervisory Contact Module II Terminal Location
