Eaton Power Xpert 9395P 250 kVA, Руководство пользователя и инструкция по установке, Страница: 147 / 170

138 9395P 250 kVA / 275 kVA / 300 kVA
User’s and Installation Guide
7. 6 .19 Transfer from Online to Bypass Mode and Shut Down all UPMs
To transfer the critical load to Bypass mode and shut down all UPMs:
1.
Transfer the critical load to bypass by performing the procedure in paragraph 7.6.17.
2.
Press the
CONTROLS
pushbutton on the main menu bar. The System Status screen is displayed.
3.
On the System Status screen, select the
UPM
command. The UPS Control Command screen
screen is displayed.
4. On the UPS Control Command screen, select the
UPM 1
command.
5.
Press the
CONTROLS
pushbutton on the UPS Control Command menu bar. The UPM 1 Control
Command screen is displayed.
6.
On the UPM 1 Control Command screen, select
UPM OFF
.
7. Press the
SELECT
pushbutton on the UPM 1 Command menu bar.
The UPM status indicates READY
.
The input, output, and battery contactors open, and the power
module remains on.
8.
To turn off the power module, press the
CONTROLS
pushbutton on the UPS Control Command
menu bar. The UPM 1 Control Command screen is displayed.
9.
On the UPM 1 Control Command screen, select
UPM OFF
.
10. Press the
SELECT
pushbutton on the UPM 1 Command menu bar.
The UPM status indicates SHUTDOWN
.
The power module is turned off. Logic power remains on.
11.
Repeat Steps 4 through 10 selecting
UPM 2
to shut down UPM 2.
12. If the UPS is a three UPM model, repeat Steps 4 through 10 selecting
UPM 3
to shut down UPM 3.
13.
If the UPS is a Plus 1 model or an upgraded 825/550, repeat Steps 4 through 10 selecting
UPM 4
to
shut down UPM 4.
14.
Repeat Steps 2 through 13 for each UPS in the distributed bypass system.
WARNING
Power is present inside the UPS cabinet.G