Table of Contents
Advertisement
76/86
7.3.4 Complete RPA Parallel System shut-down
Note!
The UPS RPA Parallel System and the Load have to be completely powered down.
If eBoost™ option is available, make sure that eBoost™ Operation Mode is disabled before starting
this procedure.
Initial status:
Load supplied by all Inverters of the RPA Parallel System.
1.
Perform the command "System shutdown" on anyone of the units.
Perform the command "System shutdown" through the screen:
Commands 1 / System shutdown / SHUTDOWN.
•
Load is disconnected from UPS RPA Parallel System.
•
Rectifiers and Inverters are shut down and all Contactors are opened.
•
LED ALARM is lit.
Synoptic diagram of first unit
2.
Open the "Q1 – External UPS Output Circuit Breaker" (Pos. O) on all Units.
Synoptic diagram of first unit
3.
Disconnect on all Units the Battery from the UPS by opening the "External Battery Breaker" (Pos. O).
Press "MUTE" key to reset Acoustical Alarm. LED ALARM remains lit.
•
Wait 5 minutes for DC-link Capacitors discharge. Use the MEASURES/Rectifier screen to ensure that the
DC-link 1 and DC-link 2 voltage has reached 10Vdc.
4.
Disconnect the Utility supply on all Units.
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.
MegaFlex 1000 to 1600
End of Procedure
UPS User Manual / REV-A
Synoptic diagram of other units
Synoptic diagram of other units
Advertisement
Table of Contents
