ABB MegaFlex UL S1 Series, Руководство пользователя

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65/86 MegaFlex 1000 to 1600 UPS User Manual / REV-A
7.2.3 Restore to normal operation after “System shutdown” with Load not supplied
Warning!
Please check and ensure the conditions of the connected load are safe before proceeding, as this
procedure will result in the connection of power to the load circuit(s).
Note!
Before performing this operation, make sure that the UPS is in the following status:

“Q1 – External UPS Output Circuit Breaker” must be closed (Pos. I).

“External Battery Breaker” must be open (Pos. O).
View of the Synoptic Diagram after performed the command “System
shutdown” with load not supplied.
1. Restore the command “ System shutdown”.
Restore the command “System shutdown” through the screen:
Commands 1 / System shutdown /
RESET .
Note!
Ensure the LED 1 (Rectifier) is lit before carrying out this procedure (2).
It indicates that the DC-link 1 and DC-link 2 has reached 400Vdc (see screen MEASURES / Rectifier)!
2. Connect the Battery to the UPS by closing the “External Battery
Breaker” (Pos. I).
Note!
Before performing next procedure (3) make sure that the LED 3 (Booster/Battery charger) is lit.
3. Insert the Inverter performing the command
“
Inverter ON".
Perform the “Inverter ON” command from the screen:
Commands 1 / Inverter /
ON
.
• Soft-start of the Inverter indicated with blinking LED 2 (Inverter).
• At the end of Inverter Soft-start the LED 2 (Inverter) remains lit.
• Load is now supplied from Inverter.
• LED ALARM turns OFF and the LED LOAD PROTECTED must be lit.
The Synoptic Diagram must display the status
“
Load supplied by Inverter
”.
End of Procedure