OPM_LPS_33E_10K_30K_4CN_V010.doc 60/82 Operating Manual LP 33 / 10-20-30 kVA
8.1.3 Start-up following the operation on manual bypass
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).
LAMP TEST
> RESET TOTAL OFF ........................................................................
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
Udc Voltage
Udcp=400V Udcn=400V
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