SMA SC 400HE Installation - Manual (Page 48)

Internal Electrical Connections SMA Solar Technology AG
48 SCxxxHE-IEN104432 Installation Guide
5.6 Connecting the Communication Unit for Insulation Monitoring
The insulation monitoring system is located in the DC cabinet. A 2-conductor data cable connects the
Sunny Central Control to the insulation monitoring system and is delivered pre-cabled. The connection
is made via the transfer terminal strip.
Insulation monitors from Bender
An insulation monitoring device from Bender can optionally be built into the Sunny Central.
A user manual is included with the device.
Notice!
A faulty installation could damage the cabling.
• Lay the connection cables in the cable channel.
Insulation monitor with connected data cable in the
Sunny Central.
Position of the connection terminal of the insulation monitoring
The exact position of the connection terminals of the insulation monitoring can be
determined with the help of the equipment identifier and the circuit diagram included in the
delivery.