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4.5
Testing
Perform the following tests on the Centric unit.
4.5.1
Blackout Test
This test is designed to verify the operation of Centric in the event of a blackout, when no ac power is
supplied to the UPS.
1.
Turn all ac input to the system OFF (turn OFF the ac input switches to both Bypass and Rectifier).
2.
Test the voltage at the system output between the phases and the neutral. It should be within the
specified range.
4.5.2
Test Under Load
This test is designed to verify the operation of Centric under load.
1.
Connect an average or standard load to the system.
2.
Measure the ac input voltage during operation under load. Take the measurements at the output
terminals of Centric (phase-to-phase between L1-L2, L2-L3, and L3-L1 and phase-to-neutral at L1,
L2, and L3).
3.
Check and record the total system load (output current) and make sure that Centric is not overloaded
with respect to system specifications.
4.
Verify that Centric is operating normally and that no alarms or fault indications are present.
4.5.3
Check IP Communication with Controller
This test is designed to verify that the System Controller is properly configured for communication and that
the Web server built into the System Controller is functioning properly. If you do not intend to use remote
monitoring of the UPS at this time you can skip this test.
The following procedure is given in general terms; the specifics will vary depending on the operating
system of the computer you are using.
1.
Use an RJ45-to-RJ45 crossed cable to attach a PC or laptop or other external computer to the
Ethernet (RJ45) port on the rear panel of the UPS's system controller.
Configure the network connections of the external computer so that the computer is in the same
domain as the UPS – that is, so that the first three nodes of the computer's IP address match the first
three nodes of the UPS's IP address.
For example, if the UPS's IP address is "192.212.118.100", define your computer's IP address as
"192.212.118.xxx", where "xxx" is a number other than "100" in this case.
2.
Define the subnet mask of your computer as "255.255.255.0".
3.
Open a browser on the external computer and enter the IP address of the UPS's system controller in
the browser's address field to verify that you can reach the Web server on the system controller. You
should see the UPS's main menu.
Centric 3x480 Vac, Installation Guide, rel. 2.2
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