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1. OVERVIEW................................................................................................... 6
2. INSTALLATION...........................................................................................8
2.1 Package inspection .........................................................................8
2.2 Selecting the place of installation ................................................8
2.3 Fixed on the wall................................................................................9
2.4 System diagram and connection label ....................................... 11
2.5 Connecting to the AC grid (utility)..................................................12
2.6 Connecting to PV Panel (DC input) ............................................ 13
3. CONTROL PANEL FUNCTIONS....................................................... 14
3.1 Operate the Function Key ............................................................. 14
3.2 G e n e r a l L C D D i s p l a y I n f o r m a t i o n ................................... 16
4. INVERTER START-UP AND OPERATION ........................................ 17
5. CO M M UN IC AT I O N S ...........................................................................18
5.1 Data communications with RS232.................................................18
5.2 Data communications with RS485 (optional)...............................18
5.2.1 RS485 Serial Port........................................................................18
5.2.2 RJ45 Connectors.........................................................................19
5.2.3 RS485 Daisy Chain......................................................................19
5.3 Monitor Inverter..................................................................................21
6. INTERFACE PROTECTION AND SETTING POINTS....................... 21
7. TROUBLE SHOOTING ............................................................................22
8. SPECIFICATIONS .................................................................................... 23
9. JFY-tech WARRANTY ............................................................................ 28
10. JFY-tech CONTACT INFORMATION ...............................................30
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