Replacing An Inverter - SolarEdge SE11400H Installation Manual

Replacing an Inverter

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.
AVERTISSEMENT!
Si vous ne pouvez pas voir l'écran de l'onduleur ou si un dysfonctionnement est indiqué sur l'écran
LCD, attendez cinq minutes pour que les condensateurs d'entrée de l'onduleur soient déchargés.
2. Disconnect the AC to the inverter by turning O FF the AC circuit breaker of the distribution panel.
3. Turn OFF the DC Safety Unit.
4. Open the DC Safety Unit cover: Release the four Allen screws and remove the cover.
5. Open the inverter cover as described in Removing the Inverter Cover on page 54.
6. Disconnect the DC and AC cables from the DC Safety Unit.
7. Disconnect the wires connected between the inverter and the DC Safety Unit:
Antenna cable from the communication board
l
DC and AC wires in the DC Safety Unit
l
Grounding cable
l
8. Disconnect the DC Safety Unit from the inverter by opening the two clips securing the DC Safety Unit
to the inverter: Carefully place a screwdriver between the clip and the enclosure and pull the clip.
Figure 36: Disconnecting the DC Safety Unit from the inverter
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Single Phase Inverter with HD-Wave Technology Installation MAN-01-00306-1.1