Modifications reserved
Page 79/103
OPM_LPS_33E_60K_M12_2GB_V010.doc
Operating Manual
LP 33 Series 60-80-100-120 kVA / S2
8.1.6 Restore to normal operation after “EPO – Emergency Power Off”
NOTE !
Make sure the UPS to be status of the activation of
“EPO - Emergency Power Off”
, i. e.
Q1
closed,
Q2
open and the
external battery fuses
connected.
View of the
synoptic diagram
after pressing the push-button “
EPO
- Emergency Power Off”
:
•
All
Contactors
are open.
•
Booster, Inverter
and
Static-Switch
shutdown.
1. Reset the “EPO” key.
Press
MUTE
key to reset
Alarm and Acoustical alarm
.
LED Alarm
remains lit.
2.
Reset the UPS by pressing “Inverter OFF” ( O ) key.
The load is supplied by the
mains
through the
automatic
bypass
.
The
booster
starts automatically.
The
synoptic diagram
must display the status
“
LOAD
SUPPLIED BY AUTOMATIC BYPASS
”
.
3. Insert the inverter by pressing
“
Inverter ON
”
( I ) key.
Some seconds later the
load
will be transferred on
inverter
.
LED Alarm
turn Off and the
LED Operation
must be lit.
The
synoptic diagram
must display the status
“
LOAD
SUPPLIED BY INVERTER
”
.
END OF PROCEDURE