Modifications reserved
Page 90/103
OPM_LPS_33E_60K_M12_2GB_V010.doc
Operating Manual
LP 33 Series 60-80-100-120 kVA / S2
8.2.7 Restore to normal operation after “Total Off”
NOTE !
Make sure the all units of the
Parallel System
to be status of the activation of “
Total
Off”
, i. e. Q1 closed, Q2 open and the
external battery fuses
connected.
View of the
synoptic diagram
, on all UPS units, after pressing
the “
Total Off” key
.
•
All
Contactors
are open.
•
Booster, Inverter
and
Static-Switch
shutdown.
`
Home\Commands
COMMANDS
RESET TOTAL OFF
REQUEST TOTAL OFF
1. Reset
“
Total Off” of the Parallel System.
Restore the command
“Total Off”
, on anyone of the parallel units, by
entering the screen:
COMMANDS /
RESET TOTAL OFF
LED Alarm
is lit.
V
The load is supplied by the
mains
through the
automatic bypass
.
The
booster
starts automatically.
The
synoptic diagram
, on all UPS units, must display the status
“
LOAD SUPPLIED BY AUTOMATIC BYPASS
”
.
2. Insert the inverter by pressing
“
Inverter ON
”
( I ) key on first UPS unit
.
In case of sufficient output power, the output will transfer to
Inverter
.
LED Alarm
turn Off and the
LED Operation
must be is lit.
The
synoptic diagram
, on first UPS unit, must display the status
“
LOAD SUPPLIED BY INVERTER
”
.
3. Insert the inverter by pressing
“
Inverter ON
”
( I ) key on all other UPS units
.
Do not start the next
inverter
until the sequence of the previous one ends.
As soon as the output power of the
inverters
is sufficient to supply the
load
, the output of the units with
running
inverter
will transfer to
inverter
.
LED Alarm
turn Off and the
LED Operation
must be lit.
The
synoptic diagram
, on all UPS units, must display the status
“
LOAD SUPPLIED BY INVERTER
”
.
END OF PROCEDURE
