Modifications reserved Page 74/79
OPM_SGS_USM_M22_M30_2US_V010.doc User Manual SG Series 225 & 300 UL S2
3 Insert the Inverter by pressing the “Inverter ON” ( I ) key on first unit.
•
Soft-start of Inverter, indicated with blinking LED 5 (Inverter available).
• At the end of Soft-start the LED 5 (Inverter available) remains lit.
• In case of sufficient output power, the output will transfer to Inverter.
Synoptic Diagram of first unit Synoptic Diagram of other units
4. Insert the Inverter by pressing the “Inverter ON” ( I ) key on all other units.
Do not start the next Inverter until the sequence of the previous ends.
• Soft-start of Inverter, indicated with blinking LED 5 (Inverter available).
• At the end of Soft-start the LED 5 (Inverter available) remains lit.
• As soon as the output power of the Inverters is sufficient to supply the Load, the output of the units with
running Inverter will transfer to Inverter.
• LED Alarm turn Off and the LED Operation must be lit.
The Synoptic Diagram, on all UPS units, must display the status “LOAD SUPPLIED BY INVERTER”.
Synoptic Diagram of first unit Synoptic Diagram of other units
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