Installation | AC Grid Connection
26 | Doc. No. 982056, Version 01, SelectSun 40K
4.10 AC Grid Connection
DANGER
Risk of electric shock and fire caused by high discharge current
Before connecting the device to the supply circuit, establish a ground -
connection by means of the labelled ground stud!
NOTICE
To ensure the
IP65
protection class, use the provided connection housing. To
prevent any penetration of moisture and dirt, unused inputs and outputs must be
properly closed.
Failure to do so could void your warranty!
The following mains systems are allowed:
•
TN-C-S-Net
•
TN-S-Net
The connection to the power supply must be via a 5-wire line. For safety reasons, the PE protective
conductor must always be connected.
The power supply line must be equipped with an appropriate line protection. More information regarding the
power connection you will find in the Technical Data. Reducing factors must be taken into account if circuit
breakers are connected in series. Always observe the following standards:
IEC 60364-4-41
Protection: Protection against electric shock
IEC 60364-4-43
Protection for safety - Protection against overcurrent
IEC 60364-5-52
Selection and erection of electrical equipment - wiring systems
BDEW
Technical Guidelines
VDN FNN
Technical Guidelines
The respective national standards, technical regulations and local installation and connection requirements
are complied with.
•
Check the line voltage. It must be within the technical data for that device. If the line voltage is different,
contact your local network operator.
•
The design and the cross-section of the mains connection cable must be chosen in such a way that they
can withstand the expected requirements during operation and the line losses are as low as possible. The
following points must be observed:
•
The cable material must be selected according to the installation location, the type of installation, and
according to the national regulations.
•
A strain relief must be installed for the mains supply.
