5 5
Chapter 7 UPS Operation
5
Turn off the manual bypass breaker.
6
Press
the
ON
key (
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7
After
the
NORMAL LED
indicator (
) illuminates, it means that the start-
up procedures from manual bypass mode to normal mode are completed.
7.1.5 Normal Mode Turn-off Procedures (Single)
Execution of the following procedures will cut off all power supply. Before execution, please
make sure that all connected critical loads have been safely shut down.
1
Press the
OFF
key (
) once and press the
DOWN
key (
) to confirm that you
want to shut down the UPS.
2
For single input, please turn off the input breaker. For dual input, please turn off the input
breaker and bypass breaker.
3
Turn off the output breaker.
4
Ensure that the DC BUS voltage drops to below 20V.
5
Wait until the LCD display is off and ensure that the discharging process is completed
and the UPS is shut down.
6
Turn off each external battery cabinet’s breaker.
7.1.6 Battery Mode Turn-off Procedures (Single)
Execution of the following procedures will cut off all power supply. Before execution, please
make sure that all connected critical loads have been safely shut down.
1
Press the
OFF
key (
) once and press the
DOWN
key (
) to confirm that you
want to shut down the UPS.
2
For single input, please turn off the input breaker. For dual input, please turn off the input
breaker and bypass breaker.
3
Turn off the output breaker.
4
Ensure that the DC BUS voltage drops to below 20V.
5
Wait until the LCD display is off and ensure that the discharging process is completed
and the UPS is shut down.
6
Turn off each external battery cabinet’s breaker.
Содержание HPH-100K
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