Mitsubishi Electric 1100B Series Owner Technical Manual page 51

WARNING: Verify that the load is OFF if the next step is to be performed.
WARNING
NOTE: Power to the critical load is supplied through the static bypass line.
!
NOTE
4. To shutdown the critical load, open the external input circuit breaker (user supplied.).
CAUTION: In bypass mode, all UPS power terminals are still live. Lethal
CAUTION
C) EPO (Emergency Power Off) Procedure
If an all-power supply shutdown is required in an emergency situation, press the "EPO" button
on the front panel. The UPS will be shutdown and no power is supplied to the load.
WARNING: With EPO operation, although all output power from the UPS is
WARNING
1100B SERIES UPS
OWNERS / TECHNICAL MANUAL
Power to the critical load will be lost after the execution of the next
step. The load will drop.
voltages are present. De-energize all external sources of AC and
DC power. Before removing the covers, wait 5 minutes after
de-energizing. Check that no voltage is present before handling
the UPS. Be careful with the devices even when the UPS has
been de-energized; the internal devices may still be hot.
shutdown, it is necessary to manually open the input circuit
breaker (user supplied) to remove the input power to the UPS.
MITSUBISHI ELECTRIC 1100B SERIES UPS
Page Number:
3-14