Disconnecting the product from voltage sources
Qualified person
Prior to performing any work on the product, always disconnect it from all voltage sources as described in this section. Always adhere to the prescribed sequence.
Procedure:
- Disconnect the circuit breaker and secure it against reconnection.
- Remove charging cable from vehicle.
- Loosen all 4 screws of the enclosure lid (TX25) and remove it.
- For EVC22-3AC-10, check that there is no voltage between L1 and N, L2 and N and L3 and N at the terminal block for connecting the utility grid. Use a suitable measuring device for this purpose.
For EVC7.4-1AC-10, check that there is no voltage between L1 and N at the terminal block for connecting the utility grid. Use a suitable measuring device for this purpose. - For EVC22-3AC-10, check that there is no voltage between L1 and grounding conductor, L2 and grounding conductor and L3 and grounding conductor at the terminal block for connecting the utility grid. Use a suitable measuring device for this purpose.
For EVC7.4-1AC-10, check that there is no voltage between L1 and grounding conductor at the terminal block for connecting the utility grid. Use a suitable measuring device for this purpose.
