To shut down a single UPS:
1.
Open the MOB for the UPS being shut down.
2.
Select the CONTROLS symbol on the main menu bar.
The System Control screen is displayed.
3.
If not already selected, select UPS on the System Control screen.
4.
On the UPS System Control screen, select the NORMAL -> UPS OFF
command, then press the Enter push button.
The output contactor opens and the inverter is turned off on the UPS
commanded to shut down.
Note: Rectifier and logic power remains on.
WARNING
Power is present inside the UPS cabinet until the upstream input feeder
circuit breaker is opened.
5.
Open the UPS input switch and, if installed, the bypass feeder circuit
breakers for the UPS being shut down.
6.
If EBCs are installed, open all battery breakers.
The UPS is now completely shut down.
7.4.6
Starting a single UPS
To restart a single UPS from a shutdown state:
1.
Close the MOB for the UPS being restarted.
2.
Close the UPS input, and if installed, bypass feeder circuit breakers for the
UPS being restarted.
3.
Close the input switch in the 100/120 kVA units.
4.
Close the neutral switch in the 100/120 kVA units.
5.
If the UPS contains a bypass input switch (BIS), close the BIS.
6.
If the UPS contains an output switch, close the output switch.
7.
Close the external battery breakers.
8.
On the UPS being restarted, observe the UPS control panel display
becoming active, indicating logic power.
9.
Make sure that there are no active alarms on the display of the UPS being
restarted. Notices are not to be misinterpreted as alarms.
10. On the UPS being restarted, select the CONTROLS symbol on the main
menu bar.
The System Control screen is displayed.
11. If not already selected, select UPS on the System Control screen.
12. On the UPS System Control screen, select the UPS OFF -> NORMAL
command, then press the Enter push button.
Eaton 93E Generation 2 UPS 100-200 kVA
(380/400/415V)
User's and installation guide
©
Eaton Corporation plc 2019. All rights reserved.
Revision: 002
Document ID: P-164000848
99 (118)