SMA SC 200 Installation - Manual (Page 4)

Table of Contents SMA Solar Technology AG
4 SC20_25_35-IEN094521 Installation Guide
4.4.1 Transporting the Sunny Central using a Lifting Cart or Forklift . . . . . . . . . . . 25
4.4.2 Transporting the Sunny Central using a Crane . . . . . . . . . . . . . . . . . . . . . . . 26
4.5 Assembly at the Installation Site . . . . . . . . . . . . . . . . . . . . . . . . 27
4.5.1 Connecting Switch Cabinets to one Another . . . . . . . . . . . . . . . . . . . . . . . . 27
4.5.2 Removing the Transport Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
5 Internal Electrical Connections . . . . . . . . . . . . . . . . . . . . . 30
5.1 Preparatory Work for the Sunny Central 200 / 250 with
the "Protection against Chemically Active Substances" Option 30
5.2 Connecting the Power Cables . . . . . . . . . . . . . . . . . . . . . . . . . 32
5.2.1 Sunny Central 200 / 250 / 250HE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5.2.2 Sunny Central 350 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
5.2.3 Sunny Central 200 / 250 with the "Protection against chemically active
substances" option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
5.3 Connecting the PE Connection . . . . . . . . . . . . . . . . . . . . . . . . . 40
5.3.1 Sunny Central 200 / 250 / 250HE and 350 . . . . . . . . . . . . . . . . . . . . . . . 40
5.3.2 Sunny Central 200 / 250 with the "Protection against chemically active
substances" option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
5.4 Connecting the Control Lines on the Transfer Terminal Strip. . . 42
5.5 Connecting the Sunny Central Control to the Power Unit . . . . . 43
5.6 Connecting the Internal Control Lines . . . . . . . . . . . . . . . . . . . . 44
5.7 Connecting Insulation Monitoring (optional) . . . . . . . . . . . . . . 45
5.8 Installing the Internal Temperature Sensor . . . . . . . . . . . . . . . . 46
5.9 Sunny Central in Team Connection (optional) . . . . . . . . . . . . . 47
5.9.1 Connecting the Team Cable to
Sunny Central 200 / 250 / 250HE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
5.9.2 Connecting Team Cables for Sunny Central 200 / 250 with the
"Protection against Chemically Active Substances" Option . . . . . . . . . . . . . 48
5.9.3 Team Cables for Sunny Central 350 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
5.10 Connecting the EVR Resistor (optional). . . . . . . . . . . . . . . . . . . 50
6 External Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51