Liebert 2U user manual Operation, Transfer to Maintenance Bypass

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OPERATION

Transfer to Maintenance Bypass

To transfer to maintenance bypass (mains) from UPS, use the following steps:

1.Ensure the MAINS lamp (orange) is illuminated. If the lamp is not illuminated, refer to Troubleshooting section.

2.Transfer the rotary switch from UPS to MAINS, provided the MAINS lamp is illuminated on the 2U POD.

3.Turn the UPS off.

4.Disconnect the two cables connecting the UPS to the 2U POD.

5.You may now service the UPS.

Transfer to UPS

To transfer to UPS from maintenance bypass (mains), use the following steps:

1.Reconnect the UPS to the 2U POD. Start the UPS according to the instructions in the UPS user manual.

2.Verify that UPS lamp (green) on the 2U POD is illuminated. If so, transfer the rotary bypass switch from MAINS to UPS. If the lamp does not illuminate, refer to Troubleshooting section.

3.Conditioned power is now being supplied through the UPS.

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Contents 2U POD Page Table of Contents Page Important Safety Instructions Glossary of Symbols Mains UPSIntroduction and System Description System DescriptionInstallation on GXT 2U UPS Attaching POD securing brackets to rear of UPSAttaching POD to securing brackets Rack Mount Installation 10AIndicator Lamps Mains Indicator LampTransfer to Maintenance Bypass OperationSpecifications Troubleshooting IlluminatedPage Company Behind the Products