● Make sure the utility input & output wiring is correct. The wire current spec, color, position, connection
and conductance reliability should be checked carefully. Make sure the L/N site is correct, not reverse
and short-circuited.
2-4. UPS Installation for Parallel System
If the UPS is only available for single operation, you may skip this section to the next.
6) Install and wires the UPSs according to the section 2-3.
7) Connect the output wires of each UPS to an output breaker.
8) Connect all output breakers to a major output breaker. Then this major output breaker will directly
connect to the loads.
9) Each UPS is connected to an independent battery pack.
10) Remove the cover of parallel share current cable port on the UPS, connect each UPS one by one with the
parallel cable and share current cable, and then screw the cover back again.
NOTE: The parallel system can not use one battery pack. Otherwise, it will cause system permanent failure.
11) Refer to the following wiring diagram:
Diagram 1: Power cable connection
2-5. Software Installation
For optimal computer system protection, install UPS monitoring software to fully configure UPS shutdown.
INFOSEC UPS SYSTEM – 4 rue de la Rigotière – 44700 Orvault – France – www.infosec-ups.com
Hot Line Tel : +33 (0)2 40 76 15 82 – fax : +33(0)2 40 94 29 51 – hotline@infosec.fr – 06 14 AA 59 203 45
Parallel communication port connection
Share current cable connection
Diagram 2
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