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5.6.4
Connecting Cables for Analog Setpoints ....................................................................................................... 32
5.6.5
Connecting the Cable for the External Fast Stop ........................................................................................... 33
5.6.6
Connecting the Cable for Remote Shutdown ................................................................................................. 33
5.6.7
Connecting the Cable for the Status Report of the Insulation Monitoring.................................................... 34
5.6.8
Connecting the Cable for the Supply Voltage ............................................................................................... 34
5.6.9
Connecting the Cable for the Status Report of the AC Contactor Monitoring............................................. 34
5.6.10
Connecting the Data Cable of the Sunny String-Monitor.............................................................................. 35
5.6.11
Connecting the Transformer Protection........................................................................................................... 35
6
Disconnecting and Reconnecting................................................................................................. 36
6.1
Safety When Disconnecting and Reconnecting Voltage Sources................................................................. 36
6.2
Disconnecting the Inverter................................................................................................................................ 36
6.2.1
Switching off the Inverter ................................................................................................................................. 36
6.2.2
Disconnecting the DC Side.............................................................................................................................. 36
6.2.3
Disconnecting the AC Side .............................................................................................................................. 37
6.2.4
Disconnecting the Supply Voltage and External Voltages ............................................................................ 37
6.3
Reconnecting the Inverter................................................................................................................................. 38
6.3.1
Reconnecting the Supply Voltage and External Voltages ............................................................................. 38
6.3.2
Reconnecting the AC Side............................................................................................................................... 39
6.3.3
Reconnecting the DC Side............................................................................................................................... 39
6.3.4
Restarting the Inverter ...................................................................................................................................... 39
7
Periodic Actions............................................................................................................................. 40
7.1
Inserting the Cables.......................................................................................................................................... 40
7.2
Mounting and Disassembly Work................................................................................................................... 40
7.2.1
Disassembling and Mounting the Panels........................................................................................................ 40
7.2.2
Disassembling and Mounting the Protective Covers...................................................................................... 41
7.2.3
Disassembling and Mounting the Ventilation Grids....................................................................................... 42
7.3
Bolted Connections .......................................................................................................................................... 44
7.3.1
Preparing the Grounding and DC Cables for Connection............................................................................ 44
7.3.2
Preparing the AC Connection ......................................................................................................................... 48
7.4
Clamp Connections .......................................................................................................................................... 49
7.4.1
Connecting the Cable to the Spring-Cage Terminals..................................................................................... 49
7.4.2
Connecting the Cable Shield Using a Shield Clamping Saddle................................................................... 51
8
Technical Data............................................................................................................................... 52
8.1
Sunny Central 500CP XT ................................................................................................................................. 52
8.2
Sunny Central 630CP XT ................................................................................................................................. 54
8.3
Sunny Central 720CP XT ................................................................................................................................. 56
8.4
Sunny Central 760CP XT ................................................................................................................................. 58
8.5
Sunny Central 800CP XT ................................................................................................................................. 60
8.6
Sunny Central 850CP XT ................................................................................................................................. 62
8.7
Sunny Central 900CP XT ................................................................................................................................. 64
9
Appendix....................................................................................................................................... 66
9.1
Information for Installation ............................................................................................................................... 66
9.1.1
Requirements for the Mounting Location ........................................................................................................ 66
9.1.2
Requirements for the Support Surface ............................................................................................................ 67
9.1.3
Requirements for the Foundation and Cable Routing .................................................................................... 68
9.1.4
Requirements for Cable Routing between MV Transformer and Inverter ..................................................... 69
9.1.5
Dimensions of the Inverter................................................................................................................................ 70
Table of Contents
SMA Solar Technology AG
Operating Manual
SCCPXT-IA-E4-en-44
4
