36 Chapter 2 Installation
ECM3 Series Outdoor Power System User Manual
2.5 Installation Check
After installation, check the installation against the list given in Table 2-6.
Table 2-6 Installation check list
Check item
No.
Description
Cabinet installation
1
Check that the cabinet is steadily fixed and stands upright on a horizontal level.
2
Check that all bolts are tightened, especially those in electrical connections, that all bolts have
plain washers and spring washers, and that the washers are not reversed
3
Check that there are no irrelevant materials in the cabinet, and clear them away if any
4
Check that the cabinet paint is intact. If there are scratches, paint them immediately with antirust
paint to prevent corrosion.
5
Clean up the cabinet
6
Check that the door can move freely, the locks are in good condition and the door stay bar is
fixed
7
Check whether the reserved space where user equipment is not installed has been installed
with a dummy plate
Electrical connection
1
Verify the specifications of all MCBs and cables
2
Check the correctness of busbar connections, input and output cable connection, and the
system earthing
3
Check the correctness of the battery cell number and connection, and battery strings polarities
4
Make sure all the cable connections are firm and reliable
5
Check the connection point, line sequence and polarities between DC output cables and
batteries. Check the connection polarities of the batteries. Check that the connection points are
fixed and the cable connections are correct and reliable
6
Measure the resistance value between the DC loop positive terminal and negative terminal, and
phase-to-phase resistance value in the AC loop, making sure there is no shortcircuit
7
Check the AC wiring and power distribution, make sure that the colors of the AC cables are
normative, the original wiring are fixed, and the safety labels of the AC power distribution are
complete
8
Check that the SPD PE cable and earthing cable are correctly connected and the contacts are
reliable
9
Check the communication cables of controller and check that the rectifiers are properly fixed
10
Check that all MCBs are open
11
Check that the cables are tidy, and the cable binding is normative
