GE LP33 Series 80, User Manual

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Modifications reserved Page 55/66
OPM_LPS_3UO_80K_M10_1US_V010.doc User Manual LP33 Series 80 & 100 UL S1
2. Close the output switch Q1 (Pos. I) on all UPS units.
When the last Q1 will be closed the output will be supplied by the
utility through all automatic bypasses .
The synoptic diagram , on all UPS units, must display the status
“ LOAD SUPPLIED BY AUTOMATIC BYPASS ” .
` Home\Meter
BOOSTER
f : 60.0 Hz
L1 : 120 V
L2 : 120 V
L3 : 120 V
Vp : 210 V
Vn : 210 V
Verify on all UPS units, selecting the screen METERING/BOOSTER/ Vp
and Vn , that the booster voltage has reached about 210 Vdc .
3. Switch ON (Pos. I) the “Battery Breaker” in all battery cabinets.
DANGER !
Before to perform this operation, check the right DC polarities on both side of the
switch/fuse holder!
4. 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 turns OFF and the LED Operation must be is lit.
The synoptic diagram , on first UPS unit, must display the status
“ LOAD SUPPLIED BY INVERTER ” .
5. 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 end.
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 turns OFF and the LED Operation must be lit.
The synoptic diagram , on all UPS units, must display the status
“ LOAD SUPPLIED BY INVERTER ” .
6. Load supply.
LP33 Series Parallel System is now running, supplying power to the output.
Insert the loads one by one to the output of the LP33 Series Parallel System .
Check the output current value of L1 , L2 and L3 and check for correct load balance.
END OF PROCEDURE
NOTE !
Even if the UPS is delivered with the battery fully charged, they could be partially
discharged during transportation or storage.
It is recommended to recharge the battery during at least 10 hours in order to
provide the complete
battery energy stored to the load in the event of utility failur e.