IV319 Rev.00
Data 2010-06-22
Pag. 37 di 118
4. How to remove a single UPS from the parallel system:
1) If you need to remove one UPS of the UPSs parallel system
which is on normal running, press the OFF button of the UPS
that is confirmed to be removed twice continuously and the
UPS will cut off its output immediately.
2) Turn off the input breaker, the external mains input breaker, the
output breaker and the battery switch of the UPS that will be
removed.
3) Press the others UPSs
¶
s OFF button. After all of them transfer
to the Bypass mode, remove the cover board of each UPS and
set the maintenance switch from
³
UPS
´
to
³
BPS
´
and then turn
off the input breaker of each UPS.
4) After you remove one UPS, you need to connect the short
connection wire of the JP1 and JP2 located on the Terminal
block of the UPS if the remained UPS system only remain one
UPS runs by itself
5) After all panels of the UPSs do not display anything any more,
remove the cover board of the parallel port on the UPS
connected with the parallel cable of the UPS that need to be
removed. Remove the parallel cable and screw the cover board
of the parallel port back again.
6) Remove the cover board of the parallel port located on the UPS
that need to be removed and remove the parallel cable, and
then screw the cover board back again.
7) Close all of the input mains breakers of the remained UPSs.
After all UPSs transfer to the Bypass mode, set the UPS
maintenance switch from
³
BPS
´
to
³
UPS
´
and screw the
maintenance cover board back again. Then turn on all of the
UPSs in the Line mode to perform the parallel operation.
8) If the removed 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.
Summary of Contents for Green Point 6 20KVA
Page 28: ...IV319 Rev 00 Data 2010 06 22 Pag 28 di 118 Wiring diagram of 6K 10K 1 1 parallel system...
Page 29: ...IV319 Rev 00 Data 2010 06 22 Pag 29 di 118 Wiring diagram of 10K 3 1 parallel system...
Page 57: ...IV319 Rev 00 Data 2010 06 22 Pag 57 di 118 DB 9 Interface of AS400 communication protocol...
Page 61: ...IV319 Rev 00 Data 2010 06 22 Pag 61 di 118 Back View of 15K 20K 3 1...