SMA eCharger - Page 4

Table of contents
SMA Solar Technology AG
Operating manualEVC22-3AC-20-BE-en-104
5 Mounting .................................................................................. 30
5.1 Requirements for Mounting ....................................................................................... 30
5.1.1 Requirements for the Mounting Location............................................... 30
5.1.2 Permitted and prohibited mounting positions........................................ 31
5.1.3 Dimensions for mounting ........................................................................ 31
5.1.4 Recommended clearances for mounting............................................... 31
5.2 Wall Mounting ........................................................................................................... 32
6 Electrical Connection................................................................ 39
6.1 Requirements for the electrical connection ............................................................... 39
6.1.1 Permitted grid configurations ................................................................. 39
6.1.2 Residual-current monitoring unit............................................................. 39
6.1.3 Load-break switch and cable protection ............................................... 39
6.1.4 Overvoltage category ............................................................................ 40
6.1.5 AC cable requirements........................................................................... 40
6.1.6 Multi-EVC operation ............................................................................... 40
6.1.7 Network cable requirements.................................................................. 42
6.1.8 Signal cable requirements...................................................................... 42
6.1.9 Requirements for the RS485 interface................................................... 43
6.2 Overview of the Connection Area ............................................................................ 44
6.3 Electrical connection procedure................................................................................ 45
6.4 Connecting the Utility Grid ........................................................................................ 45
6.4.1 Multi-EVC operation ............................................................................... 45
6.4.2 Connecting the AC Cable...................................................................... 45
6.5 Connecting the Network Cables............................................................................... 47
6.6 Connecting the Ripple Control Receiver................................................................... 48
6.6.1 Digital input DI 1-4 ................................................................................. 48
6.6.2 Pin assignment DI 1-4............................................................................. 49
6.6.3 Circuitry overview DI 1-4 ....................................................................... 49
6.6.4 Connecting the ripple control receiver to DI 1-4 .................................. 49
6.7 Connection to digital input DI 5-6............................................................................. 50
6.7.1 Digital input DI 5-6 ................................................................................. 50
6.7.2 Pin assignment DI 5-6............................................................................. 50
6.7.3 Circuitry overview DI 5........................................................................... 51
6.7.4 Circuitry overview DI 6........................................................................... 51
6.7.5 Connecting Signal Source to Digital Input DI 5-6 ................................ 51
6.8 Connection to the Multifunction Relay...................................................................... 53
6.8.1 Digital output (MFR) ............................................................................... 53
6.8.2 Pin assignment MFR................................................................................ 53
6.8.3 Connect signal source to MFR............................................................... 53
6.9 Connecting to the RS485 interface........................................................................... 54
6.9.1 RS485 input ............................................................................................ 54
6.9.2 RS485 pin assignment............................................................................ 55
6.9.3 Connecting RS485 ................................................................................. 55