Ups Installation For Parallel System (Optional) - INFOSEC UPS SYSTEM E4 Pro One Series User Manual

Warning:
Make sure the UPS is not turned on before installation. The UPS should not be turned on during

wiring connection.
Backup Module connection
For backup module, there is one DC breaker to disconnect the battery pack and the UPS. But for

other external battery pack, make sure a DC breaker or other protection device between UPS and
external battery pack is installed. If not, please install it carefully. Switch off the battery breaker
before installation.
NOTE: Set the battery pack breaker in "OFF" position and then install the battery pack.
● Pay highly attention to the rated battery voltage marked on the rear panel. If you want to change the
numbers of the battery pack, please make sure you modify the setting simultaneously. The connection
with wrong battery voltage may cause permanent damage of the UPS. Make sure the voltage of the
battery pack is correct.
● Make sure the protective earth ground wiring is correct. The wire current spec, color, position,
connection and conductance reliability should be checked carefully.

2-4. UPS Installation for Parallel System (optional)

If the UPS is only available for single operation, you may skip this section to the next.
1) Install and wires the UPSs according to the section 2-3.
2) Connect the output wires of each UPS to an output breaker.
3) Connect all output breakers to a major output breaker. Then this major output breaker will directly
connect to the loads. Refer to diagram 1
4) Each UPS is connected to an independent battery pack.
INFOSEC UPS SYSTEM – 15, Rue du Moulin – 44880 Sautron – 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 – 10 19 AA AA 205 28
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