SMA SC 400HE Installation User Manual

Page 4

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Table of Contents

SMA Solar Technology AG

4

SCxxxHE-IEN104432

Installation Guide

4.4

Transport Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

4.4.1

Transport Using a Pallet Truck or Forklift . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

4.4.2

Transport Using a Crane. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

4.5

On-Site Inverter Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

4.5.1

Mechanical Coupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

4.5.2

Mechanical Coupling for the "Chemically Active" Option . . . . . . . . . . . . . . 35

4.5.3

Anchorage to the Ground or Wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

5

Internal Electrical Connections . . . . . . . . . . . . . . . . . . . . . 37

5.1

Connecting the Power Cable Connection. . . . . . . . . . . . . . . . . 37

5.1.1

Connecting the Power Cable for the "Chemically Active" Option. . . . . . . . . 41

5.2

Connecting the Internal PE Connection. . . . . . . . . . . . . . . . . . . 42

5.3

Connecting the Control Cables on the Transfer Terminal Strip . 44

5.3.1

Connecting the Control Cables to the Transfer Terminal Strip in the
AC Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

5.4

Connecting the Sunny Central Control to the Power Unit . . . . . 46

5.5

Connecting the Internal Control Cables of the Power Unit . . . . 47

5.6

Connecting the Communication Unit for Insulation

Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

6

External Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

6.1

Connecting High-Current Contacts . . . . . . . . . . . . . . . . . . . . . . 50

6.2

Connecting the AC Grid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

6.2.1

Mounting and Dismounting the Plexiglas Cover and Sliding Plate . . . . . . . . 55

6.2.2

Procedure for Models 13/0 and 13/4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

6.2.3

Procedure for Model 13/1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

6.2.4

Procedure for Model 13/2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

6.2.5

Procedure for Model 13/3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

6.2.6

Procedure for Model 13/5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

6.2.7

Connecting the AC Cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

6.3

AC Grid Connection for MV Stations . . . . . . . . . . . . . . . . . . . . 69

6.4

Connecting the PE Rail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

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