AEC IST7 20kVA, User Manual

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AEC UPS IST7 10-30 kVA
User Manual 2 Overview
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After disconnecting the battery breaker, connect the wire of battery breaker to the positive, negativee and neutral
wire N of the UPS correspondingly. Ensure that the polarity and voltage meet the specification requirement, and
then close the breaker between the UPS and batteries.
After assembly and test, the UPS can put into use.
3.5 System Check and Test
3.5.1 Check Electrical Connection
After finishing the electrical connection, check the following items.
Table1.1 Check list
No. Check item Result
1 Check if the colour of AC cables is in accordance with the specification. Yes
□
No
□
2 Check if the wiring of cabinet is firmly.
Yes
□
No
□
3 Check if the safety id of AC power distribution unit is complete.
Yes
□
No
□
4 Check if the wire connection point is firmly. Yes
□
No
□
5 Check if the battery is connected in right polarity and sequence. Yes
□
No
□
6 Check if the cable identification is correct.
Yes
□
No
□
7 Check if the wiring is neat.
Yes
□
No
□
8 Check if the equipment installation and wiring is advantageous to the
transformation, expansion and maintenance of the system in the future.
Yes
□
No
□
3.5.2 UPS Test
Turn off the mains input switch to simulate the situation of mains fault.
3.5.3 Connect Load
After UPS starting and working stably, turn on the load. Start big-power devices before small-power
ones. Some devices has large starting current which may cause overload protection (or bypass
operation), it is better to start these equipment before others.