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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
3.
On the System Status screen, select the
screen is displayed.
4.
On the UPS Control Command screen, select the
5.
Press the
CONTROLS
Command screen is displayed.
6.
On the UPM 1 Control Command screen, select
7.
Press the
pushbutton on the UPM 1 Command menu bar.
SELECT
The UPM status indicates READY
module remains on.
8.
To turn off the power module, press the
menu bar. The UPM 1 Control Command screen is displayed.
9.
On the UPM 1 Control Command screen, select
10. Press the
pushbutton on the UPM 1 Command menu bar.
SELECT
The UPM status indicates SHUTDOWN
11. Repeat Steps 4 through 10 selecting
12. If the UPS is a three UPM model, repeat Steps 4 through 10 selecting
13. If the UPS is a Plus 1 model or an upgraded 825/550, repeat Steps 4 through 10 selecting
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
pushbutton on the main menu bar. The System Status screen is displayed.
UPM
pushbutton on the UPS Control Command menu bar. The UPM 1 Control
.
The input, output, and battery contactors open, and the power
CONTROLS
.
The power module is turned off. Logic power remains on.
to shut down UPM 2.
UPM 2
9395P 250 kVA / 275 kVA / 300 kVA
User's and Installation Guide
command. The UPS Control Command screen
command.
UPM 1
.
UPM OFF
pushbutton on the UPS Control Command
.
UPM OFF
UPM 3
to shut down UPM 3.
to
UPM 4
138
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