1. The 3-in 3-out bypass MCB (125A) is used to connect the bypass input upon split-bypass configuration. The main
MCB can be used only upon common input configuration.
2. The battery CB should use the 250Vdc or above.
2.5 Connecting Battery Cables
1. Before connecting the battery cables, confirm that the actual battery cell number and capacity are consistent with
the parameter settings on the LCD menus.
2. It is prohibited to reverse the polarity of the battery cables.
3. Before replacing the battery module and connecting the battery cables, disconnect the DC battery MCB, power off
the UPS completely, and conduct isolation protection on the terminals.
4. It is recommended that the battery cable should not be longer than three meters. Otherwise, the UPS cannot
operate normally.
2.6 Single UPS Commissioning
2.6.1 Start-up Interface
If the system is first start-up, only mains input mode can be used, and the LCD screen will display the start-up
interface, see figure 2-3.
Figure 2-3 Start up interface
2.6.2 Normal Mode Start-Up
1. Close the external output MCB and input MCB of the UPS one by one.
2. The rectifier runs in normal state for about 30 seconds, the start-up of the rectifier is finished.
3. Finish and check the parameter settings of the single UPS.
a) At main menu screen, press the or key to select 'Settings', and press the key to enter the interface shown
in Figure 2-4.
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