Table Of Contents - Growatt WIT 50K-A User Manual

Contents
1 Notes on this manual ............................................................................1
1.1 Introduction ................................................................................................................ 1
1.2 Target Group ............................................................................................................... 1
1.3 Product Range............................................................................................................. 1
2 Safety Precautions ............................................................................... 2
2.1 Safety Instructions ..................................................................................................... 2
2.2 Symbol Conventions .................................................................................................. 3
2.3 Label Description........................................................................................................ 4
3 Product Description ............................................................................. 5
3.1 Overview .................................................................................................................... 5
3.2 Basic Data .................................................................................................................. 8
3.3 Nameplate ................................................................................................................. 9
3.4 Operating Principle ................................................................................................ 10
3.4.1 Operating Principle of WIT 50-100K-A ............................................................ 10
3.4.2 Operating Principle of WIT 50-100K-H ............................................................ 10
3.4.3 Operating Principle of WIT 50-100K-AE and WIT 50-100K-AU ................... 11
3.4.4 Operating Principle of WIT 50-100K-HE and WIT 50-100K-HU ................... 11
3.5 Storing the WIT Inverter ........................................................................................ 12
3.6 Supported Grid Types ............................................................................................. 12
3.7 AFCI Function ........................................................................................................... 12
3.7.1 AFIC function description ................................................................................... 12
3.7.2 Clearing the alarm ............................................................................................... 13
3.8 Anti-PID Function .................................................................................................... 13
4 Inspection upon delivery.................................................................. 14
5 Installation .......................................................................................... 16
5 1 . Basic Installation Requirements............................................................................ 16
5.2 Installation Environment Requirements ............................................................. 17
5.3 Moving the WIT Inverter......................................................................................... 18
5.4 Mounting the WIT Inverter .................................................................................... 19
5.4.1 Ground-mounted Installation............................................................................ 19
5.4.2 Wall-mounted Installation ................................................................................. 20
6 Electrical Connection.........................................................................22
6.1 Connecting the Ground Cables.............................................................................. 26
6.2 Connection on the AC Side..................................................................................... 27
6.3 Connection on the PV Side ..................................................................................... 30