3 epo (emergency power off) – GE Industrial Solutions LP 33 Series 50 & 60 kVA Installation Guide User Manual

Page 38

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OPM_LPS_3UI_50K_60K_0US_V010.doc

Installation Guide LP 33 Series 50-60 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
.

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:

x

Press the push-button EPO (contact on X7 / 1, 2 is closed again).


x

Perform the command INVERTER OFF entering the screen:
MENU/COMMAND MENU/INVERTER OFF.

COMMAND MENU

INVERTER ON

INVERTER OFF *

x

Start the inverter entering the screen:
MENU/COMMAND MENU/INVERTER ON.

COMMAND MENU

INVERTER ON *

INVERTER OFF

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