5 Operation Guide
Three-Phase UPS (10kVA-160kVA) Series
User Manual
80
5 Operation Guide
This chapter mainly introduces operation guide, including checking before startup, UPS operation,
manual maintenance operation, parallel system operation, series system operation, etc.
5.1 Checking Before Startup
5.1.1 Check Electrical Connection
No.
Checking item
1
Check if mains switch, bypass switch, output switch, maintenance bypass switch and
external battery cabinet switch are all switched off.
2
Check if the total load capacity is in accordance with UPS capacity and load is off.
3
Check if there is no short-circuit between live wire and live wire, live wire and neutral wire,
live wire and ground wire in input, as well as in output.
4
Check if the AC voltage in the input terminal of mains is within the range of rated voltage
by multimeter.
5
Check if the DC voltage in the input terminal of battery cabinet switch meets requirement
and battery wiring is correct.
6
Check if the color of AC cables is in accordance with specification.
7
Check if the wiring is firm.
8
Check if the safe symbol of AC distribution unit is complete.
9
Check if the cable connection is firm.
10
Check if the cable mark is correct.
11
Check if the wiring is neat and the cable connection is in accordance with specification.
