SMA SSM-U-1615 - Manual (Page 4)

6.3.1 Safety during Installation of the DC Main Cables ....................... 28
6.3.2 Options for Installation of the DC Main Cables .......................... 28
6.3.3 Connecting the DC Main Cables to the Busbar using Terminal
Lugs ................................................................................................. 29
6.3.4 Connecting the DC Main Cables to the Busbar using V Box
Terminals......................................................................................... 32
6.3.4.1 Requirements and Conditions ................................................. 32
6.3.4.2 Installing the Box Terminal on the Busbar .............................. 33
6.3.4.3 Connecting Copper Cables to V-Box Terminal...................... 34
6.3.4.4 Connecting Aluminum Cables to V Box Terminal.................. 35
6.4 Connecting the Ethernet Cables........................................................ 36
6.5 Connection of Sensors ....................................................................... 39
6.5.1 Connecting Temperature Sensors ................................................. 39
6.5.2 Connecting an Irradiation Sensor or Anemometer to the
Analog Input................................................................................... 39
6.6 Connecting the Remote Terminal to the Digital Input....................... 40
6.7 Connecting the Remote Terminal to the Digital Output ................... 41
6.8 Installation of the String Cables ........................................................ 42
6.8.1 Requirements for Installation of the String Cables ....................... 42
6.8.2 Installing the String Cables............................................................ 42
7 Commissioning the DC Subdistribution................................... 45
8 Disconnecting and Reconnecting............................................. 46
8.1 Safety When Disconnecting and Reconnecting Voltage Sources .. 46
8.2 Disconnecting the DC Subdistribution............................................... 47
8.3 Switching the DC Subdistribution Back On ...................................... 47
9 Troubleshooting ........................................................................ 49
9.1 LED States ........................................................................................... 49
9.1.1 Status LEDs of the SMA String-Monitor ........................................ 49
9.1.2 LEDs of the Network Connection .................................................. 50
9.2 Performing an Update ....................................................................... 51
10 Maintenance ............................................................................. 52
10.1 Safety during Maintenance............................................................... 52
10.2 Maintenance Schedule and Consumables ...................................... 53
Table of Contents SMA Solar Technology AG
Operating Manual SSMUXX15-BE-en-10 4