Operation Mode - INFOSEC UPS SYSTEM E4 Evolution II TT Series User Manual

5-2. Operation Mode

This UPS is a three-phase, four-wire on-line, double-conversion and reverse-transfer UPS that permits
operation in the following modes:
Standby Mode

Line Mode

Battery Mode

Bypass Mode

ECO Mode

Shutdown Mode

Maintenance Bypass Mode (manual bypass)

5-2-1. Standby Mode
Upon connecting to utility input power, the UPS is in Standby mode unless UPS is turned on (if BYPASS
enable setting is Disabled), and charger function will be active when the battery is connected. The load is
not powered under this mode.
5-2-2. Line Mode
In Line Mode, the rectifier delivers power from the mains and supplies DC power to the inverter and the
charger charges the battery. The inverter filters the DC power and converts it into pure and stable AC
INFOSEC UPS SYSTEM – 15, Rue du Moulin – 44880 Sautron – 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 – 02 19 AA 59 203 07
Standby Mode Diagram