MegaFlex 1000 to 1600 UPS User Manual / REV-A
7.2.2 Complete shut-down of the MegaFlex 1000 to 1600 as frequency converter
Note!
Follow this procedure only in case the UPS system and the Load must be completely powered
down.
Load supplied by Inverter
.
“
Perform the command “System shutdown” through the screen:
Commands 1 / System shutdown / SHUTDOWN.
• Load is disconnected from UPS.
• Rectifier and Inverter are shut down and all contactors are
opened.
• LED 1 (Rectifier) and LED 2 (Inverter) are OFF.
Open the “Q1 – External UPS Output Circuit Breaker” (Pos. O).
3. Disconnect the Battery from the UPS by opening the “External Battery Breaker” (Pos. O).
Note!
Before performing the next procedure (4) wait 5
minutes for DC-link Capacitors discharge.
Use the MEASURES/Rectifier screen to ensure that
the DC-link 1 and DC-link 2
10Vdc.
Press “MUTE” key to reset Acoustical Alarm.
LED ALARM remains lit.
4. Disconnect the Utility from the input distribution.
Danger!
It will take 5 minutes for the DC capacitors to discharge.
Open only the front door, do not open any other part of the UPS.
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