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8.2 How to join a new UPS to
parallel system:
1)
Firstly, a main maintenance mechanical switch or static switch
should be installed for the parallel system.
2)
Regulate the output voltage of the new UPS: check if the output
voltage difference between the new UPS and the parallel
system is less than 0.5V.
3)
Ensure the bypass of the parallel system is normal and the auto
bypass setting is "enabled", then press the
off the UPS, the UPS will turn to bypass mode.
4)
Set the main maintenance switch or static switch from "UPS" to
"BPS", then switch off the main output breaker, input breaker
and mains breaker, then the UPS will shut down.
5)
Connect the cable and wire for the new ups.
6)
Switch on the input breakers and mains breaker, and make sure
that every UPS work in bypass mode.
7)
Switch on the O/P breakers and main O/P breaker transfer the
main maintenance switch or static switch from "BPS" to "UPS".
8)
Press the
that, the system will work in Line mode.
button of one UPS, all the ups will turn on, after
button to turn
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