Appendix E: Replacing System Components; Replacing The Primary Unit - SolarEdge SE12.5K Installation Manual

Appendix E: Replacing System Components

This appendix details replacement procedures for the SolarEdge system
components.
NOTE
If you are permanently disassembling the installation or part of it, make sure
to use the disposal methods dictated by local regulations.

Replacing the Primary Unit

1. Turn OFF the Inverter ON/OFF 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.
WARNING!
If you cannot see Primary Unit LEDs or you cannot connect to the Primary
Unit, or if the red LED light is on indicating a malfunction , wait five minutes
for the input capacitors of the inverter to discharge.
AVERTISSEMENT!
2. Disconnect the AC to the inverter by turning OFF the circuit breakers on the
distribution panel.
3. For a 3-unit inverter first disconnect and remove the Secondary Unit on the right.
4. Open the Primary Unit cover:
a. Release the six Allen screws of the cover.
b. Tilt the top of the cover towards you.
c. Slide the cover down and remove it.
CAUTION!
When removing the cover, make sure not to damage internal components.
SolarEdge will not be held responsible for any components damaged as a
result of incautious cover removal.
ATTENTION!
Three Phase Inverter with Synergy Technology Installation MAN-01-00402-1.2
Appendix E: Replacing System Components 87