SMA SC 400HE Installation User Manual
Page 4

Table of Contents
SMA Solar Technology AG
4
SCxxxHE-IEN104432
Installation Guide
Transport Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
On-Site Inverter Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Mechanical Coupling for the "Chemically Active" Option . . . . . . . . . . . . . . 35
Anchorage to the Ground or Wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Internal Electrical Connections . . . . . . . . . . . . . . . . . . . . . 37
Connecting the Power Cable Connection. . . . . . . . . . . . . . . . . 37
Connecting the Power Cable for the "Chemically Active" Option. . . . . . . . . 41
Connecting the Internal PE Connection. . . . . . . . . . . . . . . . . . . 42
Connecting the Control Cables on the Transfer Terminal Strip . 44
Connecting the Sunny Central Control to the Power Unit . . . . . 46
Connecting the Internal Control Cables of the Power Unit . . . . 47
Connecting the Communication Unit for Insulation
Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
External Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Connecting High-Current Contacts . . . . . . . . . . . . . . . . . . . . . . 50
Connecting the AC Grid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Mounting and Dismounting the Plexiglas Cover and Sliding Plate . . . . . . . . 55
Procedure for Models 13/0 and 13/4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
AC Grid Connection for MV Stations . . . . . . . . . . . . . . . . . . . . 69
Connecting the PE Rail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70