
SOFAR 3.3~12KTLX-G3 User manual
Copyright © Shenzhen SOFARSOLAR Co., Ltd.
Content
Preface........................................................................................................................ II
1. Basic Safety Information..................................................................................... - 1 -
1.1. Requirement for Installation and Maintenance.................................- 1 -
1.2. Symbols and signs...............................................................................- 4 -
2. Product Characteristics....................................................................................... - 7 -
2.1. Intended Use...................................................................................... - 7 -
2.2. Function Description........................................................................ - 11 -
2.3. Electrical block diagram................................................................... - 12 -
2.4. Efficiency and derating curve........................................................... - 12 -
3. Installation........................................................................................................ - 13 -
3.1. Installation Process...........................................................................- 13 -
3.2. Checking Before Installation.............................................................- 13 -
3.3. Tools..................................................................................................- 16 -
3.4. Determining the Installation Position.............................................. - 17 -
3.5. Moving of inverter............................................................................- 19 -
3.6. Installation........................................................................................ - 20 -
4. Electrical Connection........................................................................................ - 22 -
4.1. Electrical Connection........................................................................- 23 -
4.2. Grounding Connection (PE)..............................................................- 23 -
4.3. Connect grid side of inverter (AC-Output).......................................- 25 -
4.4. Connect PV side of inverter (DC-Input)............................................- 28 -
4.5. Communication Connection.............................................................- 31 -
5. Commissioning of inverter................................................................................- 36 -
5.1. Cable Connection Inspection........................................................... - 36 -
5.2. Start Inverter.................................................................................... - 36 -
6. Operation interface...........................................................................................- 38 -
6.1. Operation and Display Panel............................................................- 38 -
6.2. Standard Interface............................................................................- 39 -
6.3. Main Interface.................................................................................. - 41 -
6.4. Updating Inverter Software..............................................................- 44 -
7. Trouble shooting and maintenance..................................................................- 47 -
7.1. Troubleshooting................................................................................- 47 -
7.2. Maintenance.....................................................................................- 55 -
8. Technical Data...................................................................................................- 57 -
9. Quality Assurance............................................................................................. - 63 -