Powerware 650825 kVA operation manual 13

UPS OPERATING INSTRUCTIONS

10.Press the CONTROLS pushbutton on the System Status menu bar. The UPM 1 Control Command screen is displayed.

11.On the UPM 1 Control Command screen, select UPM ON.

12.Press the SELECT pushbutton on the UPM 1 Command menu bar.

13.Verify the following messages display sequentially on the UPM status line:

DC STARTING, CHARGER OFF INVERTER STARTING INVERTER SYNCING

READY

The UPM 1 rectifier and inverter turn on.

If the Inherent Redundancy option is enabled, a loss of redundancy alarm will be issued. Silence the alarm and continue to Step 14.

14.Repeat Steps 8 through 12 selecting UPM 2 to start UPM 2.

15.Observe the following messages are displayed sequentially on the UPM status line:

DC STARTING, CHARGER OFF INVERTER STARTING INVERTER SYNCING

READY

The UPM 2 rectifier and inverter turn on.

16.Repeat Steps 8 through 12 selecting UPM 3 to start UPM 3.

17.Verify the following messages display sequentially on the UPM status line:

DC STARTING, CHARGER OFF INVERTER STARTING INVERTER SYNCING

READY

The UPM 3 rectifier and inverter turn on. When the inverter reaches full voltage, the UPS is ready to transfer to the Normal mode and supply the critical load.

18.If the UPS is a Plus 1 model, repeat Steps 8 through 12 selecting UPM 4 to start UPM 4.

19.Verify the following messages display sequentially on the UPM status line:

DC STARTING, CHARGER OFF INVERTER STARTING INVERTER SYNCING

READY

The UPM 4 rectifier and inverter turn on. When the inverter reaches full voltage, the UPS is ready to transfer to the Normal mode and supply the critical load.

NOTE To transfer to Normal mode after starting individual UPMs, follow the procedure in paragraph 7.3.5 .

EATON Powerware® 9395 UPS (650–825 kVA) Installation and Operation Manual S 164201725 Rev 2 www.powerware.com 7−13