Danfoss DLX 4.6 Guide d'installation Page 16

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16 Installation Guide DLX series L00410622-01
Figure 2.4.6: Stringbox with DC switch
P1, P2, P3:
Ungrounded terminals
N1, N2, N3:
Grounded terminals
N4: Grounded terminal
N5: Terminal for the grounding strap
P4: Ungrounded terminal
DS: DC Switch
Negative Grounded PV String
Figure 2.4.7: Negative grounded PV string
The inverter is delivered from the factory
in an ungrounded PV string
configuration as standard.
Connect the grounding strap between
N5 in the Stringbox (fig. 2.4.6) and the DC
ground receptacle labelled GND/PE in the
inverter lower compartment.
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