Table of contents
SMA Solar Technology AG
Operating manual STPxx-US-50-BE-en-11 7
11.1 Event messages .......................................................................................................... 72
11.2 Calculating the insulation resistance......................................................................... 87
11.3 Checking the PV System for Ground Faults.............................................................. 88
11.4 Cleaning the Fans ...................................................................................................... 89
11.5 Manual restart after electric arc................................................................................ 90
12 Decommissioning the Product................................................. 91
13 Disposal .................................................................................... 93
14 Technical Data.......................................................................... 94
14.1 General Data ............................................................................................................. 94
14.2 DC Input...................................................................................................................... 95
14.3 AC Output .................................................................................................................. 95
14.4 Digital inputs............................................................................................................... 97
14.5 Multifunction Relay..................................................................................................... 97
14.6 Communication .......................................................................................................... 97
14.7 Data Storage Capacity.............................................................................................. 97
14.8 Efficiency..................................................................................................................... 98
14.9 Protective Devices ...................................................................................................... 98
14.10 Climatic Conditions .................................................................................................... 98
14.11 Equipment................................................................................................................... 98
14.12 Torques ....................................................................................................................... 99
15 Accessories ............................................................................... 100
16 Compliance Information.......................................................... 101
17 Contact...................................................................................... 102
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