Eaton 9PXM User Manual

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4–20kVA Users Guide P-164000669 4–20kVA Users Guide P-164000669—Rev 09 678. Determine what type of bypass switch you are using:If the bypass switch is a Break-Before-Make type, skip this step and proceed to Step 13.If the bypass switch is a Make-Before-Break type, verify that the AC voltages from the UPS and the AC lineinput are in phase. Measure the voltage between the following points on the terminal block and record inthe spaces below. These measurements must be no more than 20 Vac; if they are, call your servicerepresentative.Terminal 7 to 11Terminal 8 to 129. Measure the AC voltage between the following points on the terminal block and record in the spacebelow. This reading must be no more than 1 Vac; if it is, call your service representative.Terminal 6 to 1010. Switch the bypass switch to LINE. Measure the voltage to the protected equipment (at the loaddistribution panel) and verify that it is correct.11. Switch the bypass switch to UPS and verify the voltage to the protected equipment is still correct.12. Reinstall the bypass switch front cover and UPS front covers using the original screws.13. If the UPS will not be operated immediately, switch the bypass switch to SERVICE and push in the DCemergency disconnect switch button on the back panel of the external battery cabinet closest to the UPS.Otherwise, continue to Step 14.14. When starting the UPS, apply input power to the UPS by closing the service circuit breaker: l If externalbattery cabinets are installed, close the DC emergency disconnect switch button on the back of eachexternal battery cabinet. Insert the switch key supplied with the cabinet into the button and turn clockwise1/2-turn. Pull the button out to close the switch. Turn the key back counter-clockwise, and remove the key.15. The UPS front panel display automatically turns on whenever input power is present and at least onepower module is installed. Set up the initial operating parameters through the front panel display (see “6.5 Initial Startup Parameters ” ).16. If applicable, test proper operation of optional external control signals and computer communication beforeconnecting the load.17. If there are receptacles on the UPS rear panel, plug the equipment to be protected into the UPS outputreceptacles.NOTE DO NOT protect laser printers with the UPS because of the exceptionally high powerrequirements of the heating elements.18. Turn on the equipment that is connected to the UPS.19. If there is an external bypass switch, turn it to UPS. Otherwise, close the load distribution circuit breaker(s).66..55 IInniittiiaall SSttaarrttuupp PPaarraammeetteerrssNOTE For a complete description of control panel operation menus and displays, see , “7.1 Normal Operation ” .Initial Startup Parameters