GE LP 33 User Manual
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OPM_LPS_3UO_30K_40K_0US_V010.doc
Operating Manual LP 33 Series 30 & 40 kVA
6. In order to discharge the DC link capacitors, start once more
the inverter through the screen:
MENU/COMMAND MENU/INVERTER ON
MENU/COMMAND MENU/INVERTER ON
COMMAND MENU
INVERTER ON *
INVERTER OFF
Remark: command
INVERTER ON will be enabled only when
the inverter voltage of each phase decreases below
7 VAC (about 30 seconds).
7 VAC (about 30 seconds).
INVERTER: U1=
7V
U2= 7V U3= 7V
Frequency = 60.0Hz
Frequency = 60.0Hz
Synchronized
Before proceeding to step 7, check on the display panel that the
DC link voltage (both polarities) Udcp and Udcn has reached the
DC link voltage (both polarities) Udcp and Udcn has reached the
minimum voltage of 5 VDC (about 30 seconds).
Udcp= 5V Udcn=
5V
Ubp=0V
Ubn=0V O
Charge level
= 0%
Autonomy =
0min
7. Switch OFF the inverter by entering the screen:
MENU/COMMAND MENU/INVERTER OFF
COMMAND MENU
INVERTER ON
INVERTER OFF *
The load is now powered directly by mains through the manual bypass Q2.
END OF PROCEDURE
WARNING !
The UPS cabinet contains parts electrically live.
Apart from the front door, do not open any other part of the UPS.
Apart from the front door, do not open any other part of the UPS.
NOTE !
With separate mains inputs, it’s possible to disconnect mains rectifier.