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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