Eaton UPS Sidecar Powerware 9390 Installation And Operation Manual

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Contents

UPS SIDECAR FEATURES, CONTROLS, AND OPERATIONEATON Powerware® 9390 UPS Sidecar Installation and Operation Manual S 164201586 Rev E www.powerware.com 4-134.5 UPS Sidecar Operation – Maintenance Bypass Configuration4.5.1 Using the UPS when a UPS Sidecar is InstalledNOTE Before starting the UPS with the UPS Sidecar, verify all installation tasks are complete and apreliminary startup has been performed by authorized service personnel. The preliminary startup verifies allelectrical interconnections to confirm the installation was successful and the UPS operates properly.1. Remove the screw securing the bottom of the UPS Sidecar front panel. Lift upthe panel and remove.2. Verify that the UPS Sidecar circuit breakers and switches are set as follows:MBP OPENMIS CLOSEDBIB (if installed) CLOSEDRIB (if installed) CLOSED3. Reinstall the UPS Sidecar front panel and secure with the screw at the bottom ofthe panel.4. Start the UPS in Normal mode according to the instructions in the operationchapter of the applicable Powerware 9390 installation and operation manual,listed in paragraph 1.5.4.5.2 Transferring the UPS to Maintenance BypassC A U T I O NOnly trained personnel familiar with the operation of this equipment should transfer loads. Failure to followthis transfer sequence may cause loss of power to loads or overload protection devices to activate.C A U T I O NIn Bypass mode, the critical load is not protected from commercial power interruptions and abnormalities.1. Press the CONTROLS pushbutton on the main menu bar. The System Controlsscreen appears.2. Press the BYPASS pushbutton on the System Controls menu bar.The UPS transfers to Bypass mode and the critical load is immediately suppliedby the bypass source. If the bypass source is not available, the power processorremains on and an alarm sounds.3. Verify that the BYPASS status indicator is illuminated, indicating the UPS isoperating in Bypass mode.4. Press the pushbutton on the System Controls screen to display SystemControls Screen 2.5. Press the PM OFF pushbutton on the System Controls menu bar.The PM status indicates SHUTDOWN. The input and output contactors open, thebattery breaker or disconnect is tripped, and the power module is turned off. Thebypass source supplies the critical load.