Disconnecting the Terminals from the Inverter

To decommission the inverter completely upon completion of its service life, proceed as described in this Section.

Procedure:

  1. Disconnect the inverter from voltage sources and secure it against being switched on againDisconnecting the Inverter from Voltage Sources.

  2. CAUTION

    Risk of burns due to hot enclosure parts

    1. Wait 30 minutes for the enclosure to cool down.
  3. Open the cable compartment ( > Opening the Cable Compartment).
  4. Open the protective cover.
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  5. Loosen the conductors L1, L2, L3, N with the ring terminal lugs from the threads at the top using a ratchet.
  6. Loose the grounding conductor and the ring terminal lug using a ratchet.
  7. Close the protective cover of the cable compartment.
  8. Move the limiting lever back to its original position and close the cable compartment cover.
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  9. Tighten the 2 screws on the cable compartment cover (TX30, tightening torque: 4.2 Nm to 4.5 Nm).
  10. Remove the union nut of the cable glands for the communication cable.
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  11. Remove the cover from the communication connection area.
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  12. Remove all connection cables from the communication assembly.
  13. Remove the connection cable from the cable gland.
  14. Tighten the union nut of the cable gland to the cover hand-tight.
  15. Press the cover of the communication connection area back into the inverter.
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  16. Remove the DC connectors from the inputs.
  17. Insert sealing plugs onto the DC inputs.

    Also see:

    Decommissioning
    Disassembling the DC Connectors