Index
1 Notes on this manual ...................................................................................................................... 5
1.1 Validity ................................................................................................................................ 5
1.2 Target Group ....................................................................................................................... 5
1.3 Additional information ........................................................................................................ 5
1.4 Symbols in this document ................................................................................................... 5
1.4.1 Warnings in this document ....................................................................................... 5
1.4.2 Markings on this product.......................................................................................... 6
1.5 Glossary .............................................................................................................................. 7
2 Safety ............................................................................................................................................. 8
2.1 Intended Use ....................................................................................................................... 8
2.2 Qualification of skilled person ............................................................................................ 9
2.3 Safety instruction ................................................................................................................ 9
2.4 Assembly Warnings ........................................................................................................... 10
2.5 Electrical Connection Warnings ........................................................................................ 10
2.6 Operation Warnings ........................................................................................................... 11
3 Product description ...................................................................................................................... 13
3.1 MTL-S Overview .............................................................................................................. 13
3.2 Type label .......................................................................................................................... 13
3.3 Size and weight ................................................................................................................. 15
3.4 Storage of Inverter............................................................................................................. 15
3.5 The advantage of the unit .................................................................................................. 15
4 Unpacking and inspection ............................................................................................................ 15
5 Installation .................................................................................................................................... 17
5.1 Safety instructions ............................................................................................................. 17
5.2 Selecting the installation location ..................................................................................... 18
5.3 Mounting the Inverter ....................................................................................................... 21
5.3.1 Mounting the Inverter with bracket ........................................................................ 21
5.3.2 Fixed the inverter on the wall ................................................................................. 22
6 Electrical connection .................................................................................................................... 23
6.1 Safety ................................................................................................................................ 24
6.2 Wiring AC Output ............................................................................................................. 24
6.3 connecting the second protective conductor ..................................................................... 28
6.4 Connecting the PV Array (DC input) ................................................................................ 29
6.4.1 Conditions for DC Connection ............................................................................... 29
6.4.2 Connecting the PV Array (DC input) ..................................................................... 30
6.5 Grounding the inverter ...................................................................................................... 30
6.6 RS485 cable connection .................................................................................................... 30
6.7 Inverter demand response modes (DRMs,only for Australia) ........................................... 33
6.7.1 RJ45 socket pin assignment ................................................................................... 33
6.7.2 Method of asserting demand response modes ........................................................ 33
7 Commissioning ............................................................................................................................ 33
7.1 General LCD display......................................................................................................... 34
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