IV404E Rev.000 SIEL S.p.A.
Issue date: 2017-06-05 Pag. 78 di 90 + FR
Example of hot insertion
A)UPS parallel cable type RJ45
B) RJ45 female/RJ45 female
shielded adaptor cable
UPS
BY-PASS CABLE
phase II Insert the new UPS
(power connections in the
distribution panel) and keep it
switched off.
UPS 3: SW1 cont position.
Phase III
Remove adaptor B and insert the new UPS instead of the adaptor
.
Now switch on UPS 3 (the added UPS).
With the lever of SW1 in the start position in one UPS only and the lever in the cont position on all the
others, check that all the UPSs are operating normally and that the system is sharing the output power.
UPS 3
A
UPS 1
A
UPS 2
A
I
II
III
B
UPS 1
UPS 2
UPS 3
UPS 1
UPS 2