2 Power-On Commissioning
2.1 Checking Before Power-On
● The input and output are not short-circuited.
● Cables and terminals are securely connected.
● Battery cables and terminals are connected correctly, and voltages comply
with industry standards.
● The UPSs are properly connected to battery strings.
● Power cables and signal cables are correctly
identied.
● The phase sequence of the input power is correct.
● Cables are neatly routed and securely bound according to requirements.
● Devices are installed and cables are routed in ways that facilitate
modication, capacity expansion, and maintenance.
● Parallel cables in a parallel system are properly connected.
● Devices are properly grounded.
2.2 Connecting the Battery Supply
Wear insulated gloves and use insulated tools to prevent electric shocks or short
circuits.
During the power-on procedure, power o the batteries immediately if any fault is
detected. Rectify the fault before proceeding with the procedure.
SmartLi-ESM-24020P1
Quick Guide 2 Power-On Commissioning
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