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
.