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OPM_LPS_3UO_30K_40K_0US_V010.doc Operating Manual LP 33 Series 30 & 40 kVA
7.1.3 Start-up following the operation on manual bypass (Q2)
This procedure presupposes that the load is powered by the manual bypass switch:
• The inverter is switched OFF;
• The manual bypass switch Q2 is switched ON (pos. I);
•
The output switch Q1 is switched OFF (Pos. 0);
• The battery fuses F5, F6, F7 (and eventual external fuses in case of external battery) are removed.
NOTE !
This procedure must not be used if the UPS is used as frequency converter.
1. Insert the battery fuses F5, F6, F7 and eventual external fuses in case of external battery.
2. Switch ON the output switch Q1 (Pos. I).
3. Only in case it has been previously activated (* present beside
the text RESET TOTAL OFF), restore the command total off by
entering the screen:
MENU/RESET TOTAL OFF
LED TEST
RESET TOTAL OFF *
4. Switch OFF the maintenance bypass Q2 (Pos. 0).
Verify, selecting the screen METERING/Udcp and Udcn, that the
booster voltage has reached about 215 VDC.
Udcp=215V Udcn=215V
Ubp=164V Ubn=164V F
Charge level = 100%
Autonomy = 800min
5. Switch ON the inverter by entering the screen:
MENU/COMMAND MENU/INVERTER ON
COMMAND MENU
INVERTER ON *
INVERTER OFF
Some seconds later the load will be transferred on inverter and
the main screen will display: APPLICATION ON UPS
LP 33 40kVA
APPLICATION ON UPS
= 70%
END OF PROCEDURE