PowerWalker VFI 6000T LCD - Manual (Page 49)

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automatically, set the own maintenance switch of each UPS
from “UPS” to “BPS”.
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.