GE_UPS_USM_TLE_SUL_M16_M50_2bU_V010.docx
User Manual TLE Series 160 - 500 UL S2B
7.1.2 Complete UPS shut-down
NOTE !
Follow this procedure only in case the UPS system and the Load must 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 from Inverter.
1. Perform the command “System shutdown”.
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.
• LED ALARM is lit.
2. Open “Q1 - UPS Output switch” (Pos. O).
3. Disconnect the Battery from the UPS by opening, if present, the “CB3 – External Battery
switch” (option) and then the “External Battery Protections”.
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-link1 and DC-link 2
voltage has reached 10Vdc.
Press “MUTE” key to reset Acoustical Alarm.
LED ALARM remains lit.
4. Disconnect the Utility from the input distribution.
END OF PROCEDURE
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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