GE Industrial Solutions LP 33U Series 10 & 20 kVA Operating Manual - Manual (Page 42)

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OPM_LPS_3UO_10K_20K_1US_V010.doc Operating Manual LP 33U Series 10 & 20 kVA / S1
3. Insert the “battery fuses - F9, F10, F11 / F13, F14, F15” and eventual external fuses in case of
external battery.
DANGER !
Before performing this operation, check the right DC polarities on both side of the
switch/fuse holder!
4. Close the output switch Q1 (Pos. I).
The load is supplied by the utility through the automatic bypass.
The synoptic diagram 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 : 215 V
Vn : 215 V
Verify, selecting the screen METERING/BOOSTER/Vp and Vn, that the
booster voltage has reached about 215 Vdc.
5. 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”.
6. Load supply.
Your LP 33U Series UPS is now running in VFI mode, supplying power to the output.
Insert the loads one by one to the output of the UPS.
Check the output current value of L1, L2 and L3 and check for correct load balance.
7. Operation mode selection.
LP 33U Series is delivered normally selected for permanent VFI operation.
ECO mode can be enabled and the ECO Mode START time & ECO Mode STOP time can be programmed for
each day of the week (see Section 6.4 SETUP / ECO MODE).
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 failure.