5 Operations
5.1 Checking Before Power-On
● AC 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. Otherwise, the UPS may
be damaged. 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 mains input voltage ranges from 120 V AC to 280 V AC during power-on.
After the UPS is powered on, the mains input voltage ranges from 80 V AC to
280 V AC. The battery voltage range is as follows: (Number of batteries x 10.8
V DC) to (Number of batteries x 14 V DC).
UPSJZ-T-(1 kVA–3 kVA)
User Manual 5 Operations
2022-08-15 76
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