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Connection procedure
WARNING! See and obey the safety instructions of the converter. If you ignore
them, injury or death, or damage to the equipment can occur.
WARNING! Apply grease to stripped aluminum conductors before attaching them
to non-coated aluminum cable lugs. Obey the grease manufacturer's instructions.
Aluminum-aluminum contact can cause oxidation in the contact surfaces.
1. Open the door of the main breaker cubicle. Unlock the handle, release it from the
holder and turn upwards to release the door locking mechanism.
2. Remove the shroud that protects the grid cable/busbar terminals.
3. Lead the grid cables/busbars into the inside of the cubicle.
4. Fasten the grid cables/busbars to the grid connection terminals. Connect the phase
conductors to terminals L1, L2 and L3. Tighten the conductors to 70 N·m (52 lbf·ft).
Tightening torques are also given in chapter
5. Connect ground conductors or cables to the cabinet PEN (ground) busbar.
6. Provide support for the connections whenever necessary.
7. Refit all shrouds removed earlier.
8. Close the door.
Electrical installation 69
Technical
data.
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