Sunfree Series- 2 -ContentPreface .................................................................................................... - 1 -Chapter 1 Safety Precautions .............................................................. - 4 -1.1 Scope of Application ............................................................................... - 4 -1.2 Safety Instructions ................................................................................... - 4 -1.3 Target Group............................................................................................ - 5 -Chapter 2 Preparation .......................................................................... - 6 -2.1 Safety Instructions ................................................................................... - 6 -2.2 Explanations of Symbols......................................................................... - 8 -Chapter 3 Product Information .......................................................... - 10 -3.1 Application Scope of Products .............................................................. - 10 -3.2 Specification for Product Model ........................................................... - 11 -3.3 Overview and Dimensions of products ................................................. - 11 -3.4 Datasheet ............................................................................................... - 12 -Chapter 4 Instructions for installation ............................................... - 14 -4.1 Safety Instructions ................................................................................. - 14 -4.2 Pre-installation Check ........................................................................... - 14 -4.3 The Determination of the Installation Method and Position ................. - 16 -4.4 Mounting Procedure .............................................................................. - 18 -Chapter 5 Electrical Connection ........................................................ - 20 -5.1 Safety Instruction for Hot-line Job ........................................................ - 20 -5.2 Specifications for Electrical Interface ................................................... - 21 -5.3 AC input wire Connection ..................................................................... - 22 -5.4 Backup Output Connection ................................................................... - 23 -5.5 PV Connection .................................................................................... - 25 -5.6 Battery connection ................................................................................ - 28 -