Installation Guide

5. Disconnect the DC and AC wires from the inverter. If there are ferrite beads on the
DC and AC wires in the inverter, open the beads and set them aside.
6.
Unscrew the two conduit nuts in the inverter securing the Safety Switch to the
inverter.
Figure 43: Conduit nuts
7. Remove the screws securing the inverter to the mounting bracket and remove the
inverter from the mounting bracket.
NOTE
If you remove the old inverter and do not immediately install a new one, then:
Lock the Safety Switch in the OFF position using a lock on the switch.
Use insulation tape to isolate each of the AC and DC wires.
Seal the open conduits using duct tape.
8. Place the new inverter on the mounting bracket; insert the screws securing the
inverter to the mounting bracket.
9. Screw the two conduit nuts in the inverter securing the Safety Switch to the inverter.
10. Connect the DC and AC wires to the inverter.
11. If ferrite beads were removed from the DC and AC wires, place them on the wires
and close them. Make sure the DC labeled ferrite bead is placed on the DC wires and
the AC labeled ferrite bead is placed on the AC wires.
12. Close the Safety Switch cover and the inverter cover.
13. Perform the commissioning steps as described in Commissioning the Installation on
page 52.

Appendix D: Replacing and Adding System Components 105
Three Phase System Installation Guide MAN-01-00002-4.3