78
UPS will run in bypass mode to let the bypass AC source supply power to the output.
(Figure 6-44: Select On-Line Mode)
6.
Switch
OFF
the bypass breaker, input breaker and output breaker.
7.
The UPS will discharge DC bus voltage, and the tri-color LED indicator will illuminate yellow.
After discharging is completed, the UPS will shut down, and the touch panel and the tri-color
LED indicator will be off.
8.
Switch
OFF
every external battery cabinet’s breaker.
Summary of Contents for Ultron HPH Series
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