6 Operations
6.1 Checking Before Power-On
● AC power cable colors comply with local regulations.
● The input and output are not short-circuited.
● Cables and terminals are securely connected.
● Battery cables and terminals are correctly connected, and voltages comply
with industry standards.
● The UPS is properly connected to battery strings.
● Power cables and signal cables are correctly labeled.
● Cables are neatly routed and securely bound according to requirements.
● The equipment is installed and cables are routed in ways that facilitate
modication, capacity expansion, and maintenance.
● The equipment is properly grounded.
● The voltage dierence between the neutral wire and the ground cable is less
than 5 V AC.
● The input voltage range for the mains to start the UPS is 175–270 V AC. The
input voltage range for batteries to start the UPS is (Number of batteries x
10.8 V DC) to (Number of batteries x 14 V DC).
UPS2000-A-(1 kVA-3 kVA)
User Manual 6 Operations
Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd. 74
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