Adding, Removing, Or Replacing Power Optimizers - SolarEdge UL1741-SA Installation Manual

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Adding, Removing, or Replacing Power Optimizers

7. Open the Safety Switch bracket screws.
Disconnect the Safety Switch from the inverter by opening the two clips securing
8.
the Safety Switch to the inverter: Carefully place a screwdriver between the clip
and the enclosure and pull the clip.
9. Detach the Safety Switch from the inverter.
10. Place the new Safety Switch and secure it to the inverter using the clips.
11. Insert the wires from the inverter into the openings in the Safety Switch and the
ferrite bead.
12. Reconnect the cables: Follow the instructions of Installing the Inverter on page 26.
13. Close the inverter cover.
14. Fasten the Safety Switch bracket using a standard bolt.
15. Perform the commissioning steps as described in Activating, Commissioning and
Configuring the System on page 40.
Adding, Removing, or Replacing Power Optimizers
1. Turn OFF the inverter ON/OFF/P switch, and wait until the green LED is blinking ,
indicating that the DC voltage is safe (<50V), or wait five minutes before continuing
to the next step.
2. Disconnect the AC to the inverter by turning OFF the circuit breakers on the
distribution panel.
3. Turn OFF the Safety Switch .
4. Disconnect and connect the necessary power optimizers.
5. Perform pairing and other procedures described in Activating, Commissioning and
Configuring the System on page 40 on all inverters to which power optimizers were
added or from which power optimizers were removed.
Single Phase Inverter with HD-Wave Technology Installation MAN-01-00541-1.4
Figure 35: Safety Switch bracket