Disconnecting the Inverter from Voltage Sources

Prior to performing any work on the inverter, always disconnect it from all voltage sources as described in this section. Always adhere to the prescribed sequence.

If you want to disconnect several inverters from voltage sources, you must repeat the following procedure for each inverter.

NOTICE

Damage to the inverter due to moisture ingress

When the inverter is open, moisture can penetrate and cause damage to the inverter. The tightness is no longer intact and the function of the inverter cannot be guaranteed.

  1. Never open the inverter.

Procedure:

  1. DANGER

    Danger to life due to electric shock

    Do not disconnect the AC connectors under load.

    1. Disconnect the circuit breaker and secure it against reconnection.
    2. Cover the PV modules.
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  2. Release and remove all connected AC connectors from the inverter. Hook a flat-blade screwdriver (blade width: 4 mm) into the wide slot on the plug and lever it open. At the same time, pull out the AC connector without pulling the cable.
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  3. Remove the DC plug from the inverter. Do not pull on the DC cables.
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  4. To loosen the protective cap, remove the security seal, if necessary, and hook a flat-blade screwdriver (blade width: 4 mm) into the wide slot and and lever it open. At the same time, pull out the protective cap.

  5. DANGER

    Risk of electric shock due to high voltages

    1. Before carrying out any of the following work, wait five minutes for the capacitors to discharge.
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