Eaton 9PXM8S4K User Manual

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4–20kVA Users Guide P-164000669 4–20kVA Users Guide P-164000669—Rev 10 105Question: how do I... AnswerTurn the UPS on? Verify that all power modules are securely plugged into thecabinet, and each module secured in it’s slot.If external battery cabinets are installed, confirm that the DCemergency disconnect switch button on the back of the cabinetis closed (pulled out). To close the DC emergency disconnectswitch button, insert the switch key supplied with the cabinetinto the button and turn clockwise 1/2-turn. Pull the button outto close the switch. Turn the key back counter-clockwise, andremove the key.If an external bypass switch is installed, turn the switch to theLINE or UPS position. Refer to the front panel display and pressthe button labeled ON. (If On/Off control is password-protected,enter your password. Confirm the selection by pressing thebutton labeled Yes. After a few seconds, the green LEDilluminates to signal the UPS is operating and producing power.Turn the UPS off? Refer to the front panel display and press the button labeledOFF. Confirm the selection by pressing the button labeled Yes.(If On/Off control is password-protected, enter your password.Turn off the alarm beeps? Press the lower left button on the front panel display. Note thealarm message and see “Typical Alarms and Faults” on page107 to correct the problem. After the problem has beenresolved, press the lower center button to clear the alarm.View the alarm log? Go to the menus in Figure 70 . Press the enter button to viewthe most recent alarm. Press the down arrow button to scrolldown through the log to view previous alarms.Check the input or output voltage? Go to the menus in Figure 61 to select the input and outputvoltages.Check the battery voltage? Go to menu in Figure 61To view other system status parametersCheck the condition of the batteries? The results of the most recent battery test are stored in thebattery menu. To run a test of the battery condition, go to themenu in Figure 62 and press the enter button. When the test iscomplete, the results are again stored in the battery resultsparameter.Apply power to the load if the unit will not operate? Turn the optional external bypass switch to either the SERVICEor the LINE position. In these two positions, utility power flowsdirectly to the load. In the SERVICE position, the UPS does notreceive utility power and may be worked on for maintenancepurposes.Turn the external bypass You must press the red button beside the switch before turningthe switch.Set the UPS to turn on in High Efficiency mode? From the In\Out settings menu select High Efficiency mode thenselect Enabled (see Figure 64 )Change the level of system redundancy? To view or change the redundancy level, go to the menu inFigure 64.Troubleshooting

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