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4.10 "EPO - EMERGENCY POWER OFF" COMMAND CONNECTION
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)!
XA
Q1
Fig. 4.10-1 XA terminal block
for EPO command connection
XA
Fig. 4.10-2 XA "EPO - Emergency Power Off" – RPA Parallel System connection schematics
When the "EPO - Emergency Power Off" has been activated, the system must be restored as
follows:
•
Realize the push-button "EPO - Emergency Power Off" (contact on XA / EPO-1, EPO-2 is closed
again).
•
Perform the "Inverter OFF" command from the screen:
Commands 1 / Inverter / OFF.
(see User Manual to Section 6.5).
In case of a Parallel System perform the "Inverter OFF" command from the
screen: "Commands 1 / Inverter / OFF" of each unit connected on the Parallel
Bus and having its output switch Q1 closed.
Modifications reserved
GE_UPS_ISG_TLE_SUL_40K_M15_1US_V010.docx
An Emergency button (Normally Closed voltage-free
contact) can be connected on terminals XA / EPO-1, EPO-2.
Max. rating XA terminals: AWG 13 / 2.5mm
When opened, this contact causes the immediate opening
XA
of the Contactors K6 and K7 as well as the shut-down of
Rectifier, Inverter and Static-Switch.
XA
Critical Power
NOTE !
This procedure could imply a Load
shut-down.
Keep SELV cables separated from
HIGH VOLTAGE cables.
EPO
.
2
XA
In
a
Parallel
System a separate
NC
(Normally
Closed)
contact
must be connected
individually
each unit.
Installation Guide TLE Scalable Series 40 - 150 UL S1
to
Page 44/53
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