SMA SSM16-11 - Manual (Page 4)

Table of Contents SMA Solar Technology AG
4 SSM16-24-IA-IEN105120 Installation Guide
6 Electrical Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
6.1 Overview of the Connection Area . . . . . . . . . . . . . . . . . . . . . . 29
6.2 Connecting the PV Strings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
6.2.1 Calculating the Maximum Number of Strings per Measuring Input . . . . . . . 31
6.2.2 Connecting the PV Strings to Isolation Terminals. . . . . . . . . . . . . . . . . . . . . . 31
6.2.3 Connecting the PV Strings to the SUNCLIX DC Plug Connectors . . . . . . . . . 31
6.2.4 Connecting the PV Strings to Tyco, MC3, and MC4 Plug Connectors . . . . . 34
6.3 Connecting the DC Main Cable . . . . . . . . . . . . . . . . . . . . . . . . 34
6.4 Connecting the Grounding Cable. . . . . . . . . . . . . . . . . . . . . . . 35
6.5 Connecting the Data Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6.5.1 Selecting the Data Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6.5.2 Connecting the Data Cable Shield Contact . . . . . . . . . . . . . . . . . . . . . . . . . 36
6.5.3 Connecting the Data Cable in the Sunny String-Monitor . . . . . . . . . . . . . . . 37
6.5.4 Connecting the Data Cable in the Sunny Central . . . . . . . . . . . . . . . . . . . . . 38
6.6 Connecting the Remote Tripping for the DC Circuit Breaker. . . 40
6.6.1 Dimensioning the Connection Cable for the Shunt Trip. . . . . . . . . . . . . . . . . 40
6.6.2 Connecting the Shunt Release. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
6.6.3 Connecting the Feedback Contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
6.7 Installing the Theft Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . 42
7 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
7.1 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
7.2 Preparing and Carrying Out Commissioning . . . . . . . . . . . . . . 43
7.2.1 Requirements for Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
7.2.2 Terminating the Data Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
7.2.3 Noting the Serial Number of the Piggy-Backs for Data Processing. . . . . . . . 45
7.2.4 Filling In the Commissioning Report. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
7.3 Switching On the Sunny String-Monitor . . . . . . . . . . . . . . . . . . 46
7.4 Reconnecting the DC Circuit Breaker after Tripping . . . . . . . . . 46
8 Disconnecting the Sunny String-Monitor . . . . . . . . . . . . . 47