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Contents
System Overview.......................................................................II
1Safety....................................................................................1
1.1 PV Panels .................................................................................1
1.2 Utility Grid..................................................................................1
1.3 Inverter......................................................................................2
1.4 Battery.......................................................................................4
2Installation............................................................................5
2.1 Location Requirements .............................................................5
2.2 Installing the Inverter.................................................................6
2.3 Installing the Energy Meter........................................................8
3Electrical Connection .........................................................9
3.1 Terminal Description..................................................................9
3.2 Additional Grounding Connection............................................ 11
3.3 AC Cable Connection..............................................................12
3.4 DC Cable Connection..............................................................13
3.5 Communication Connection ....................................................14
3.6 Energy Meter Connection........................................................16
3.7 Battery Connection..................................................................20
3.8 STB5K-20 Connection (EPS)..................................................22
3.9 DO Connection........................................................................24
3.10 DRED Connection...................................................................25
3.11 Retrofitting the Existing PV System.........................................26
4Commissioning .................................................................28
4.1 Button Function.......................................................................28
4.2 Powering on the System .........................................................29
4.3 LCD Initial Settings..................................................................29
4.4 Result Verification....................................................................34
