Modifications reserved
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OPM_LPS_33E_60K_M12_2GB_V010.doc
Operating Manual
LP 33 Series 60-80-100-120 kVA / S2
8.2 PROCEDURES FOR PARALLEL SYSTEM
LP 33 Series
8.2.1
LP 33 Series
Parallel System start-up
WARNING !
Before proceeding to turn on the
UPS Parallel System
, ensure that the AC and DC
external isolators are OFF, and prevent their inadverted operation.
Ensure that the output load distribution can be powered and all the output isolators
are open.
This procedure must be performed for the first start-up following the installation, with the
UPS Parallel
System
completely switched Off and not powered.
Open the front door
on all UPS units
and make sure that:
•
All the
connections
to the input/output terminals of the UPS have been made correctly.
•
The
safety screens
are fixed in their position.
•
The switches
Q1
and
Q2
are open (Pos. O)
and the
“
External Battery fuses
”
are removed
.
LEDs on synoptic diagram
LED 1
Mains rectifier OK
LED 2
Mains bypass OK
LED 3
Rectifier ON
LED 4
Discharging battery
LED 5
Booster ON
LED 6
Charge battery ON
LED 7
Inverter available
LED 8
Inverter ON
LED 9
Q1 closed
LED 10
Automatic bypass ON
LED 11
Manual bypass Q2 ON
LED 12
Load on UPS
Q1 Output UPS switch
Q2 Manual
bypass
switch
Key Key Key LED LED LED
Inverter ON
Inverter OFF
Total Off
Stop Operation
Alarm
Operation
1. Switch-ON the mains voltage, on all UPS units, from the input distribution (both rectifier and
bypass if separated).
Overall test results
Test1 OK
Test7 OK
Test2 OK
Test8 OK
Test3 OK
Test9 OK
Test4 OK
Test10 OK
Test5 OK
Test11 OK
Test6 OK
The UPS performs a
SELFTEST
.
A successful termination of the tests will be indicated with Overall
test results
“OK”
.
Commissioning cannot be continued should one or more tests result
to be negative.
Please contact in this case your
Service Centre
.
At this stage the electronic power supply is switched ON and the
buzzer sounds.
LED 1 (mains rectifier OK)
and
LED 2 (mains bypass OK)
must be lit.
Press
“MUTE”
key to reset
acoustical alarm
.
LED Alarm
remains lit.
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