Installation note according to § 13 NAV

Please note that units with a connected load of 230V are supplied with an earthed plug or a fixed connection (without plug), depending on the power rating.
If the unit has a fixed connection, a specialist company must be commissioned with the installation.
All units with a connected load of 400V or more must be operated via a suitable power connection and may only be connected by a qualified electrician.
For units with a rated power of more than 12KW, approval from your network operator is required. For this purpose, please contact the network operator before installation.
or to an installation company registered in the grid operator's list of installers. Such an installation company will assist you in obtaining the necessary approval from the respective grid operator.