Disconnecting the Terminals from the Inverter

Qualified person

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 again ( > Disconnecting 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. Unscrew the swivel nut from the cable gland.
  4. Remove the 6 screws (M4x8, tightening torque 1.6 Nm) of the cover of the AC connection area and then pull it off the device.
  5. Remove the cable from the cable gland.
    6. 15927477004
  6. Using a ratchet, loosen the conductors L1, L2, L3, N and PE (M10) with the ring terminal lugs from the threads in the upper area.
  7. Loosen the fuse and cable gland at the communication connection area.
    8. 15927477388
  8. Remove all connection cables from the communication assembly.
  9. Remove the connection cable from the cable gland.
  10. Remove the DC connectors from the inputs.
  11. Insert sealing plugs onto the DC inputs.
    12. 15927477772
  12. Remove the grounding cable of the external protective grounding (M6x12, tightening torque: 4.5 Nm).

    Also see:

    Decommissioning
    Disassembling the DC Connectors