GE Industrial Solutions TLE Series 225-500 Installation Guide - Manual (Page 47)

Critical Power
Modifications reserved Page 47/54
GE_UPS_ISG_TLE_SUL_M22_M50_1US_V010.docx Installation Guide TLE Series 225 - 500 UL S1
4.10 EPO COMMAND CONNECTION (EMERGENCY POWER OFF)
WARNING !
The connection of an emergency button EPO (Emergency Power Off) must be
performed by QUALIFIED SERVICE PERSONNEL only when the UPS is
COMPLETELY POWERED DOWN.
BE AWARE !
The reliability of the system depends on this contact NC (Normally Closed)!
An Emergency button (Normally Closed voltage-free contact) can be connected on terminals XA /
EPO-1, EPO-2. Max. rating XA terminals: 2.5mm
2 .
Fig. 4.10-1 XA terminal block for EPO command connection
When opened, this contact causes the immediate
opening of the Contactors K6 and K7 as well as
the shut-down of Rectifier, Inverter and Static-
Switch.
NOTE !
This procedure could imply a
Load shut-down.
NOTE !
To operationalize this function, in case that the UPS was provided with one or
more cards “P4 - Customer Interface”, there must be on each card the following:
- Remove the cable short-circuiting terminals X2 / 1, 2 (see Fig. 4.10-2).
- Remove the Jumper JP2 (see Fig. 4.10-2).
Fig. 4.10-2 X2 terminal block and Jumper JP2 on the P4 – Customer Interface Board
When the EPO has been activated, the system must be restored as follows:
 Realize the push-button EPO (contact on XA / EPO-1, EPO-2 is closed again).
 Press the key “Inverter OFF” on the Control Panel (see User Manual to Section 6.5).
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.
SGSE_400-500_S3_Custom
er interface-XA_01
Customer Interface
1
12 13 14 15 16 17 18 19 20 21 22
2 3 4 5 6 7 8 9
10 11
XA
EPO EPO
+ -
TLES_UL_400-500 _S1_Terminals XA_ 01
XA EP
O
EP
O +
-
24 Vdc for
External (UVR)
Battery Breaker
X2
10 9 8
21 19 20 22
11
SGSE_ 600_S1 _Custom er interf ace-X2 EPO_0 1
SNMP card
14 13 12
2 1
7 6 5
16 15
4 3 18 17
X1
X2
J1
JP2
1
2
8 19
21
22
20
10
11
9
17
18
16
15
7
6
5
4
12
14
13
3
2
1
X1
X2
J1
SE_
40
0-
50
0_
S1_C
usto
m er
interfac
e-JP
2_01