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Ultron DPS Series
UNI T : # 1 . 1
LOAD UNPROTECTED
ON AUTO BYPASS
BYPA.
MAIN
Since all parallel UPSs are in bypass mode, the critical loads won't be protected
down or not.
Turn off each parallel UPS's Input Switch (Q1) and its all connected external
battery cabinet's circuit breakers or fuses. After that, each parallel UPS's Bypass
AC Source LED
Main AC Source LED
following screen.
UNI T : # 1 . 1
LOAD NOT POWERED
BYPA.
MAIN
PRESS
TO BROWSE EVENT
Wait until all parallel UPSs' power modules finish discharging. During the
discharging process, each UPS's Inverter Start-up LED
Switch off each UPS's Bypass Switch (Q2), Output Switch (Q4) and all of its
connected external battery cabinets' circuit breakers or fuses. After that, each
unit's LCD and LEDs are off.
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and Output Switch LED
shuts off, and each parallel unit's LCD shows the
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(004)
7-26
Fault
illuminate, each parallel UPS's
illuminates. After the
is off.
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