Operating Procedures - Mitsubishi Electric 1100A Series Owner Technical Manual

3.6 OPERATING PROCEDURES

A) UPS Start-up Procedure
CAUTION: Before the UPS startup, the internal bypass line starts to
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.
3. On the LCD panel, press the "START/STOP" button to proceed UPS start-up. (Refer to
2.2.1).
4. Follow the "STARTUP GUIDANCE" accordingly until the completion of the inverter startup.
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
1. On the LCD panel, press the "START/STOP" icon to proceed UPS shutdown. (Refer to
2.2.1)
2. Follow the "SHUTDOWN GUIDANCE" accordingly. During the procedure, UPS will transfer
the power feeding from the inverter supply to the bypass line supply.
3. Both converter and inverter will remain energized until complete disconnection from all
power sources.
1100A SERIES UPS
OWNERS / TECHNICAL MANUAL
supply unconditioned bypass input power to the critical
load when the external input circuit breaker is closed. Be
extremely careful with closing the external input circuit
breaker.
MITSUBISHI ELECTRIC 1100 SERIES UPS
Page Number:
3-12