Eltek Valere Theia He-t Manuale Utente Pagina 31

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User Manual THEIA HE-t String Inverters 357115.013
,
Issue 1.0, 2011 April
31
Figure 4.3.13: Customer connection area
P1’, P2’, P3’:
Terminals labeled +POS (Positive)
N1’, N2’, N3’:
Terminals labeled –NEG (Negative)
G1:
DC ground terminal
(See 4.3.3. Grounding)
Positive grounded PV String
Connect the grounding strap between P3’ and G1.
With three strings, two of the string conductors must be connected to the same terminal, so
that the grounding strap has a terminal for itself.
Negative grounded PV String
Connect the grounding strap between N3’ and G1.
With three strings, two of the string conductors must be connected to the same terminal, so
that the grounding strap has a terminal for itself.
Wiring Diagram
Positive grounded PV String
Negative grounded PV String
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