1 Safety Instructions
User Manual
4
Contents
About This Manual .................................................................. 2
1
Safety Instructions ............................................................ 6
2
Product Introduction ......................................................... 9
2.1
Intended Usage .......................................................................... 9
2.2
Product Description .................................................................. 10
2.2.1 Product Appearance .................................................................. 10
2.2.2 Dimensions of Inverter .............................................................. 11
2.2.3 LCD Display Panel .................................................................... 11
2.2.4 DC Switch .................................................................................. 11
2.3
Technical Description ............................................................... 12
2.3.1 Principle Description .................................................................. 12
2.3.2 Functions Description ................................................................ 12
2.3.3 Derating ..................................................................................... 13
3
Installation Flow .............................................................. 15
4
Unpacking and Storage .................................................. 16
4.1
Unpacking and Inspection ........................................................ 16
4.2
Identifying Inverter ................................................................... 16
4.3
Delivery Contents ..................................................................... 17
4.4
Storage of Inverter ................................................................... 18
5
Installing Inverter onto Wall ........................................... 19
5.1
Selecting Installation Location.................................................. 19
5.2
Moving Inverter to Installation Site ........................................... 21
5.3
Installing the Inverter ................................................................ 21
5.3.1 Installing on Concrete Wall ........................................................ 21
5.3.2 Installing on Metal Frame .......................................................... 22
6
Electrical Connection ...................................................... 24
6.1
Terminals Description ............................................................... 24
6.2
Connecting Inverter to AC Grid ................................................ 24
6.2.1 AC Side Requirements .............................................................. 24
6.2.2 Grid Connection ........................................................................ 26
6.3
Connecting Inverter to PV Arrays ............................................. 27
6.3.1 PV Inputs Configuration ............................................................ 28
6.3.2 PV Connection Procedures ....................................................... 29
6.4
Grounding the Inverter ............................................................. 32
6.4.1 Grounding System Overview .................................................... 32
6.4.2 Second Protective Earth Terminal ............................................. 32
6.5
Communication Connection ..................................................... 33
6.5.1 Communication Overview ......................................................... 33
6.5.2 Communication System ............................................................ 34
6.5.3 RS485 Communication Connection .......................................... 35
7
Commissioning ............................................................... 37
7.1
Inspection before Commissioning ............................................ 37
7.2
Commissioning Procedure ....................................................... 37
8
Disconnecting, Dismantling and Disposing the Inverter40
8.1
Disconnecting the Inverter ....................................................... 40
8.2
Dismantling the Inverter ........................................................... 40