Eaton BladeUPS Operation & User’s Manual

35 Chapter 5 Operation This chapter contains information on how to use the BladeUPS Maintenance Bypass Module (MBM), including front panel controls and indicators, operating modes, and transferring the MBM between modes. Controls and Indicators The controls and indicators identified and described in Table 6 and shown in Figure 20 are used to control and monitor MBM operation. Table 6. Controls and Indicators Controls and Indicators Status Description Activate UPS Bypass Mode Pushbutton Presse ...

31 6. Connect the facility equipment to the aux terminals. See Figure 17 on page 28 for terminal locations, and Table 3 and Table 4 for aux wiring. 7. If installing REPO wiring, proceed to “Remote Emergency Power-off”; otherwise, proceed to Step 8. 8. When all wiring is complete, reinstall the top rear panel if removed in Step 4. 9. Reinstall the rear panel removed in Step 3 and secure with retained hardware. Table 3. TB1 Connections Terminal TB1 Name Description 1 REPO (+) ...

47 Chapter 8 MBM Schematics This chapter shows the schematics of each Maintenance Bypass Module (MBM) model. Figure 26 shows the low voltage (208V) model and Figure 27 shows the high voltage (400V) model. Closest or most convenient UPS in Parallel System Figure 26. BladeUPS MBM LV Schematic ...

28 Bypass Status Com Bypass Status NO Force to Bypass – Force to Bypass + Activate Bypass – Activate Bypass + Figure 16. Signal Connector Detail UPS Input Aux – NO REPO + REPO – UPS Input Aux – NC Bypass Aux – NO Bypass Aux – NC Bypass Aux – Com UPS Input Aux – Com UPS Output Aux – NO UPS Output Aux – NC UPS Output Aux – Com Figure 17. Breaker Aux and REPO Terminals Detail ...

20 Mounting Bracket 6-32 x 5/16” Flat-Head Screws Top Front Cover Bottom Front Cover Cover Pin and Cabinet Opening Figure 8. Installing the MBM Mounting Brackets and Front Covers 9. Slide the MBM into the rack on the rails. 10. Secure the front of the MBM to the rack using two 10-32 x 1/2” hex-head screws in the top and bottom holes of each mounting bracket as shown in Figure 9. 10-32 x 1/2” Hex-Head Screws Figure 9. Securing the MBM Mounting Brackets 11. Attach the MBM top ...

21 Electrical Installation MBM Power Wiring Preparation Read and understand the following notes while planning and performing the installation:  Refer to national and local electrical codes for acceptable external wiring practices.  For external wiring, use 90°C copper wire.  Choose wire ampacities from Table 310-16 of the NEC®. Wire is rated 90°C.  Material and labor for external wiring requirements are to be provided for by the customer.  Input wiring must be three-phas ...