Operating Procedures - Mitsubishi Electric 1100B Series Owner Technical Manual

3.6 OPERATING PROCEDURES

A) UPS Startup Procedure
CAUTION: Before the UPS startup, the internal bypass line starts to supply
CAUTION
NOTE: When "REMOTE OPERATION MODE" is displayed on the LCD panel,
!
the inverter start operation can only be performed remotely. If local
inverter start operation is required at the UPS, select "LOCAL ONLY"
or "REMOTE & LOCAL" in the OPERATION MENU.
NOTE
1. Verify that the external input circuit breaker is closed (user supplied. Refer to Warning 4).
2. The LCD panel boots up automatically and the screen will show that the load is powered
through the bypass line.
On the LCD panel, press the "START/STOP" button to proceed the UPS startup (refer to
3.
2.2.1).
Follow the "STARTUP GUIDANCE" accordingly until the completion of the inverter startup.
4.
B) UPS Shutdown Procedure
NOTE: When "REMOTE OPERATION MODE" is displayed on the LCD panel,
!
the inverter start operation can only be performed remotely. If local
inverter start operation is required at the UPS, select "LOCAL ONLY"
or "REMOTE & LOCAL" in the OPERATION MENU.
NOTE
On the LCD panel, press the "START/STOP" icon to proceed UPS shutdown (refer to
1.
2.2.1).
Follow the "SHUTDOWN GUIDANCE" accordingly. During the procedure, the UPS will
2.
transfer the power feeding from the inverter supply to the bypass line supply.
3. Both the converter and inverter will remain energized until complete disconnection from all
power sources.
1100B SERIES UPS
OWNERS / TECHNICAL MANUAL
unconditioned bypass input power to the critical load when the
external input circuit breaker is closed. Be extremely careful
when closing the external input circuit breaker.
MITSUBISHI ELECTRIC 1100B SERIES UPS
Page Number:
3-13