Checking Electrical Connections

Qualified person

DANGER

Danger to life due to electric shock when live components or DC cables are touched

The DC cables connected to a battery may be live. Touching live DC cables results in death or serious injury due to electric shock.

  1. Have the inverter and the battery mounted, installed and commissioned only by qualified persons with the appropriate skills.
  2. Disconnect the system from voltage sources and make sure it cannot be reconnected before working on the device.
  3. Do not touch non-insulated parts or cables.
  4. Wear suitable personal protective equipment for all work on the product.

Maintenance work

Follow the local regulations and standards whenever performing maintenance work.

These electrical connections must be checked every 12 months:

Procedure:

  1. Disconnect the inverter from voltage sources ( > Disconnecting the Inverter from Voltage Sources).
  2. Disconnect the battery from voltage sources Disconnecting the Battery from Voltage Sources.
  3. Indoor version: Check and resecure the connectors on the high-voltage box.
  4. Outdoor version: Check the connections on the battery cabinet enclosure.
  5. Check that all screwed electrical connections have been tightened with the correct torque.
  6. Check all cables for visible damage.
  7. Check all connection points and connectors for corrosion.

    Also see:

    Cleaning and Maintenance Procedure
    Checking the battery control panel