Ups Installation For Parallel System - INFOSEC UPS SYSTEM E4 LCD TT Série Manuel Utilisateur

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.
● Pay highly attention to the polarity marking on external battery terminal block, and make sure the correct battery
polarity is connected. Wrong connection may cause permanent damage of the UPS.
● Make sure the protective earth ground wiring is correct. The wire current spec, color, position, connection and
conductance reliability should be checked carefully.
● 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.
NOTE: The parallel system cannot use one battery pack. Otherwise, it will cause system permanent failure.
10) Refer to the following wiring diagram:
INFOSEC UPS SYSTEM – 4 rue de la Rigotière – 44700 Orvault – France – www.infosec-ups.com
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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 47
Wiring diagram of parallel system for 10K(L)/15K(L)/20K(L)