Sungrow SG2500HV-30, Системное руководство

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ffiig gu urre e 6 6--3 3 Wiring copper bar
C Ca ab blle e R Re eq qu uiirre em me en nttss
Fasten the wiring terminal with the bolts in the scope of delivery. And the torques are
shown in following table.
B Bo olltt T To orrq qu ue e
M16×55 119~140N.m
step 1 Make sure the switch of downstream device is in the OFF position.
step 2 Strip off the insulation cover of the cable with the tripped length of 5mm longer than the
depth of the cable lug.
step 3 Crimp the cable lug. It is advisable to select DT-×× (×× is the cable cross-sectional
area) cable lug.
1 Put the stripped cable inside the cable lug.
2 Tighten the cable lug with relevant tools. Crimp it at least twice.
step 4 Wrap the heat-shrink tubing.
1 A tubing with length 2cm longer than the depth of the cable lug is recommended.
2 Wrap the cable lug with the heat-shrink tubing.
3 Shrink the tubing with hot air blower.
Cable protectors are advisable in the cable crosses if the multi-core cables
are used.
step 5 Connect the cable.
1 Select bolts matching with the cable lug.
2 Attach the cable lug to the AC connection copper bar.
3 Fasten the bolts with screwdriver or spanner.
•
Incorrect connection sequence may cause fire. Pay maximum attention to
the connection sequence.
•
Ensure the firmness of the cable connection. Poor connection or oxidation of
the surface may cause over-heating or fire.
6 Electrical Installation System Manual