UPS Operating Instructions
7.Observe the following messages appear sequentially on the power module (PM) status line:
DC STARTING INVERTER STARTING INVERTER SYNCING READY
ONLINE
The rectifier and inverter turn on. The inverter continues to ramp up to full voltage.
8.Close the battery breaker any time after INVERTER SYNCING or CLOSE BATTERY appears on the display.
Once the inverter reaches full voltage, and the battery breaker is closed, the UPS output contactor K3 closes and the static switch turns off. Power is now supplied to the critical load in Normal mode. It takes approximately 1 minute for the UPS to achieve Normal mode.
9.The UPS is now operating in Normal mode and the NORMAL status indicator is illuminated.
10.1.2Starting the UPS in Bypass Mode
If the inverter output of the UPS is not available and the critical load needs to be energized, perform the following procedure:
C A U T I O N
In Bypass mode, the critical load is not protected from commercial power interruptions and abnormalities.
1.Close the UPS input feeder circuit breaker.
2.If the UPS is dual feed, close the UPS Bypass input feeder circuit breaker.
3.Observe the UPS control panel becoming active, indicating logic power.
4.Press the CONTROLS pushbutton on the main menu bar. The System Controls screen appears.
5.On the System Controls screen, the power module (PM) status should indicate
SHUTDOWN.
6.Press the BYPASS pushbutton on the System Controls menu bar.
The critical load is immediately supplied by the bypass source, in Bypass mode.
7.The UPS is now operating in Bypass mode and the BYPASS status indicator is illuminated.
