Figure 6.1 Battery Cluster Positive and Negative Plugs Locations
2) Use a multimeter to measure whether there is AC220V AC power at the main input of the
auxiliary power box in the energy storage cabinet, If yes, then close the QA1 total power switch, use
a multimeter to measure the output voltage of QA1 is normal. Then close QA2 to power the liquid-
cooling machine. Then close QA3 to power the CMU module, the fire fighting system, dehumidifier,
flood sensor switch, lighting and other equipment. Then close QA4 to power the BCU and indicator
light (the green light will be flashing with the 1Hz frequency) in the high-voltage box, the BMUs in
the PACKs.
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