GE Industrial Solutions LP33 Series 80 & 100 Installation Guide - Manual (Page 41)

Modifications reserved Page 41/47
OPM_LPS_3UI_80K_M10_1US_V010.doc Installation Guide LP33 Series 80 & 100 UL S1
4.3 EPO (EMERGENCY POWER OFF)
WARNING !
Connections described in this chapter shall be done only by a GE SERVICE ENGINEER.
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_0 80-100_UP S+X7_01
Q2
I ON
0 OF
F
I ON
0 OF
F
F11-12-13 1 2
JP5
X7
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 follows:
• Press the push-button EPO (contact on X7 / 1, 2 is closed again).
• Press the key “O” (Inverter OFF – see Section 6.2 of Operating Manual) on the control panel.
• Press the key “I” (Inverter ON – see Section 6.2 Operating Manual) on the control panel.
In case of a Parallel System press the key “O” (Inverter OFF) on the control panel of
each unit connected on the parallel bus and having its output switch Q1 closed.