3 epo (emergency power off) – GE Industrial Solutions LP 33 Series 30 & 40 kVA Installation Guide User Manual
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OPM_LPS_3UI_30K_40K_0US_V010.doc
Installation Guide LP 33 Series 10-20 kVA
4.3 EPO (EMERGENCY POWER OFF)
WARNING !
Connections described in this chapter shall be done only by a trained person or
SERVICE ENGINEERS.
An external Emergency switch (NC -
Normally Closed voltage-free contact) can
be connected on terminals X7 / 1, 2 of the
P1 – Control board.
NOTE !
Check that the Jumper JP5 is
not installed on the P1 –
Control board.
LPS33U_030-040
_UPS+X7+JP5
1
2
X7
P1 - Control board
JP5
OFF
ON
OFF
ON
Fig. 4.3-1 Terminals X7 - EPO
In a parallel system a
separate NC (Normally
Closed) contact must be
connected individually to
each unit.
When activated, this switch causes the immediate shutdown of booster, battery-charger, inverter; and
the contactors K4, K6 and K7.
NOTE !
This procedure could imply a load shutdown.
When the EPO has been activated, the system must be restored as following:
•
Press the push-button EPO (contact on X7 / 1, 2 is closed again).
•
Perform the command INVERTER OFF entering the screen:
MENU/COMMAND MENU/INVERTER OFF.
COMMAND MENU
INVERTER ON
INVERTER OFF *
•
Start the inverter entering the screen:
MENU/COMMAND MENU/INVERTER ON.
COMMAND MENU
INVERTER ON *
INVERTER OFF