Eaton 93PM User And Installation Manual

Also see for 93PM IBC-L: User and installation guide Manual Installation and operation manual User and installation guide User and installation guide

Contents

7.3 System control instructions7.3.1 Starting the UPS system in the double conversion modeThe UPS system can consist of a single UPS or several parallel UPSs. UPSswith their MOB open are not considered as part of the system.To start the UPS system:1. Open the UPS front door.2. If included inside the UPS system, check that the rectifier input switchesare closed.3. Check that the battery breaker is closed.4. Close the UPS front door.5. Close the UPS input feeder circuit breaker.6. Close the UPS bypass input feeder circuit breaker.7. Wait for the UPS control panel display to become active and to indicatelogic power.8. Repeat steps 1-7 for each individual UPS in the system.9. In the home screen, press Controls.The System controls screen appears.10. In the System controls screen, make sure that the system status isSHUTDOWN.11. In the System controls screen, press the Go online button.If Auto Bypass is enabled (factory default), the critical load is immediatelysupplied by the bypass source, in the bypass mode, until the inverter turnson and the UPS transfers to the double conversion mode. The statusindicator on the UPS control panel indicates that the UPS is in the bypassmode. If auto bypass is not enabled, the UPS output remains off until theUPS system transfers to double conversion mode.12. Wait for these messages to appear sequentially on the System controlsscreen:STARTINGONLINEThe rectifier and inverter turn on. The DC voltage continues to ramp up tofull voltage. Once the DC link reaches full voltage and the battery breakeris closed, the UPS output relay K3 closes and the static switch turns off.Power is now supplied to the critical load in the double conversion mode. Ittakes approximately 20 seconds for the UPS system to achieve the doubleconversion mode.The UPS system is now operating in the double conversion mode. The greenstatus indicator for normal operation is illuminated in all the UPSs in the system.Eaton 93PM UPS 30–200 kVA User's and installation guide© Eaton Corporation plc 2017. All rights reserved. Revision: 005 Document ID: P-164000249 96 (126)