Procedures For Parallel System Lp 33 Series; Lp 33 Series Parallel System Start-Up - GE LP 33 Series Operating Manual

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.
on all UPS units
Open the front door
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.
•
Q1 Output UPS switch
Q2 Manual bypass switch
Key
Inverter ON Inverter OFF
1. Switch-ON the mains voltage, on all UPS units, from the input distribution (both rectifier and
bypass if separated).
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.
Modifications reserved
OPM_LPS_33E_60K_M12_2GB_V010.doc
and make sure that:
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
Key Key
Total Off
LEDs on synoptic diagram
LED 7
LED 8
LED 9
LED 10
LED 11
LED 12
LED LED
Stop Operation Alarm
Test1 OK
Test2 OK
Test3 OK
Test4 OK
Test5 OK
Test6 OK
Operating Manual LP 33 Series 60-80-100-120 kVA / S2
Inverter available
Inverter ON
Q1 closed
Automatic bypass ON
Manual bypass Q2 ON
Load on UPS
LED
Operation
Overall test results
Test7 OK
Test8 OK
Test9 OK
Test10 OK
Test11 OK
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