3) Set the main maintenance switch or static switch from “UPS” to “BPS”, switch off the
main output breaker and the main input breaker, and the UPSs would shut down.
4) Ensure the UPSs shut down totally, remove the wanted UPS and reinstall the new UPS
parallel system by following step 1) to 9) of last chapter - “install a new parallel UPS
system”.
5) If the removed UPS or the remained UPS will be used in a stand-alone mode, then JP1
and JP2 on the terminal block should be connected with a short connection wire.
6) Switch on the main input breaker and the main output breaker, and set the main
maintenance switch or static switch from “BPS” to “UPS”, then set the UPS own
maintenance switch from “BPS” to “UPS” and screw the maintenance cover plate back
again. Press the button of one UPS, each UPS would start to turn on, after turning on,
the UPSs should work parallel in the Line mode.
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