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2) A DC breaker must be connected between the external
battery pack and the UPS. The capacity of the breaker must
be not less than the data specified in the general
specification.
3) Set the external battery pack breaker to “OFF” position and
connect the 24 pieces of batteries in series.
4) Connect the external battery pack to the battery terminals.
5) Reconnect the internal battery pack DC connectors.
3. Do not attempt to connect any loads to the UPS now. You should
connect the input power wire in the right position first. Then set
the battery pack breaker to the “ON” position. Then set the input
breaker to the “ON” position. The UPS begins to charge the
battery packs.
5. Operation
5.1 Display Panel
The UPS has a four-button graphic LCD with dual color backlight.
Standard back-light is used to light up the display with white text and
a blue background. When the UPS has a critical alarm, the backlight
changes the text to dark amber and the background to red. Besides
the graphical LCD, the UPS has four coloured LEDs to provide more
convenient information.
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