Appendix E: Replacing and Adding System Components
SolarEdge Installation Guide – MAN-01-00057-2.2
Appendix E: Replacing and Adding System
Components
NOTE:
If you are permanantly disassembling the installation or part of it, make sure to use the disposal
methods dictated by local regulations.
Replacing an Inverter
1 Turn OFF the inverter ON/OFF switch, and wait until the LCD indicates that the DC voltage is safe
(<50V), or wait five minutes before continuing to the next step.
WARNING!
If you cannot see the inverter panel, or if a malfunction is indicated on the LCD panel, wait five
minutes for the input capacitors of the inverter to discharge.
2 Disconnect the AC to the inverter by turning OFF the circuit breakers on the distribution panel.
3 Open the inverter cover.
4 Disconnect the DC plugs and AC wires from the inverter.
5 Remove the two lower screws securing the inverter to the mounting bracket and remove the inverter
from the mounting bracket.
6 Place the new inverter on the mounting bracket; insert the screws securing the inverter to the
mounting bracket.
7 Follow the instructions of Chapter 3: Installing the Inverter and Chapter 4: Commissioning the
Installation.
Adding, Removing or Replacing Power Optimizers
1 Turn OFF the inverter ON/OFF switch, and wait until the LCD indicates that the DC voltage is safe
(<50V), or wait five minutes before continuing to the next step.
WARNING!
If you cannot see the inverter panel, or if a malfunction is indicated on the LCD panel, wait five
minutes for the input capacitors of the inverter to discharge.
2 Turn OFF the AC switch of the main distribution panel.
3 Disconnect and connect the necessary power optimizers.
4 Perform pairing and other procedures described in Chapter 4: Commissioning the Installation on
page 23 on all inverters to which power optimizers were added or from which power optimizers
were removed.
5 In the monitoring portal, replace the serial number of the removed power optimizer with serial
number of the newly installed power optimizer.
NOTE:
If you remove the old inverter and do not immediately install a new one, use insulation tape to
isolate each of the AC and DC wires.
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