Modifications reserved
Page 59/90
GE_UPS_USM_TLE_SUL_40K_M15_1US_V010.docx
User Manual
TLE Scalable Series 40 - 150 UL S1
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.
Make sure that
SEM 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 the
“
Battery Cabinet 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-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.