10
• Insert Battery fuses and verify that after a few seconds in
the first measurement screen for Ubp / Ubn, if the floating
voltage with charged battery has reached it’s nominal
value of +/- 270 V, +/- 3V.
In case of discharged Battery this value can be lower, the
Battery charger would run then in current limitation.
• The UPS is now running normally, but with Q1 open,
still disconnected from the Load.
Should during any of the above steps result a
malfunction, alarms or non corresponding
measurements, interrupt startup and contact the next
Service center for support.
• During the whole procedure no Alarm condition should
occur. which Alarms are indicated by the sounding of
the Buzzer and the blinking yellow LED.
End of startup in Service mode
Shutdown of UPS in Service Mode
• If everything ok, press the button “Total OFF”, to
shutdown Booster, Inverter and SSM and open the
contactors K4, K6 and K7.
• Before proceeding to normal startup with Q1 closed,
discharge the Capacitors of the DC-Link, either by
starting the Inverter ( switch off, after discharge !!) or
wait until the reading of the voltages UDCP / UDCN
displays a value below 5 Volt.
Control
• Activate in “menu” the Lamptest and verify for
sounding Buzzer and blinking LED’s.
• Verify the correct settings of Parameters according to
PIOR or changes due to customer request.
Important: Always update PIOR in case of changes !!
• Verify the programming of Output and Input channels
on the Customer Interface.
• Open Battery fuses and disconnect Mains voltage from
the UPS. (Complete shutdown)
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