Modifications reserved Page 20/57
OPM_LPS_3UO_50K_60K_0US_V010.doc Operating Manual LP 33 Series 50 & 60 kVA
5.2 COMMAND PUSH BUTTONS AND SWITCHES
Total off
Press simultaneously the keys “Alarm” and “-” on the
panel.
This will cause the opening of all contactors (K4, K6
and K7), shutdown of booster, Inverter, battery-
charger and SSM.
In a parallel system pressing total off
on one unit all the units will shut
down.
NOTE !
Using the command total off, the load will
be immediately powered down.
To restart the unit, command total off must be
restored entering the screen
Fig. 6.2-1 Command total off
MENU/RESET TOTAL OFF
LAMP TEST
RESET TOTAL OFF *
Q1 - UPS output switch
Q2 - Manual bypass switch
NOTE !
Do not switch ON Q1 and Q2 with
Inverter ON.
Fig. 6.2-2 Q1 & Q2 switches
NOTE !
Mains failure of long duration or low Battery voltage will cause the automatic
shutdown of the UPS, thus preventing damage to the Battery.
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