Start-Up Following The Operation On Manual Bypass (Q2) - GE LP 33 Series Operating Manual

8.1.3

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 input fuses rectifier F1, F2, F3 and battery fuses F9, F10, F11 are removed.
NOTE !
This procedure must not be used if the UPS is used as frequency converter.
1. Insert the rectifier-input fuses F1, F2, F3 and the battery fuses F9, F10, F11 (insert the external
battery 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
4. Switch OFF the maintenance bypass Q2 (Pos. 0).
Verify, selecting the screen METERING/Udcp and Udcn, that the
booster voltage has reached about 400 VDC.
5. Switch ON the inverter by entering the screen:
MENU/COMMAND MENU/INVERTER ON
Some seconds later the load will be transferred on inverter and
the main screen will display: APPLICATION ON UPS
Modifications reserved
OPM_LPS_33E_10K_30K_4GB_V030.doc
END OF PROCEDURE
LED TEST
RESET TOTAL OFF
Udcp=400V Udcn=400V
Ubp=273V Ubn=273V F
Charge level = 100%
Autonomy = 10min
COMMAND MENU
INVERTER ON
INVERTER OFF
LP 33 20kVA
APPLICATION ON UPS
= 70%
Operating Manual LP 33 Series / 10-20-30 kVA
*
*
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