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13) 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.
How to join a new UPS to a parallel system:
1) First the parallel system must be installed one main
maintenance mechanical switch or static switch.
2) Ensure the bypass is normal and the bypass setting is “enable”,
remove the cover plate of maintenance switch on the rear panel
of each UPS, the UPS system would transfer to bypass
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 UPSs would
shut down.
4) Ensure the UPSs shut down totally, set the UPS own
maintenance switch from “BPS” to “UPS” and screw the
maintenance cover plate back again. Reinstall the new UPS
parallel system by following step 1) to 12) of last chapter -
“install a new parallel UPS system”.
5) Set the main maintenance switch or static switch from “BPS” to
“UPS”, 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.
How to remove a single UPS from a parallel system:
1) First the parallel system must be installed one main
maintenance mechanical switch or static switch.
2) Ensure the bypass is normal and the bypass setting is “enable”,
remove the cover plate of maintenance switch on the rear panel
of each UPS, the UPS system would transfer to bypass
automatically, set the own maintenance switch of each UPS
from “UPS” to “BPS”.