4.1. Preparation before Wiring
• When grounding the solar array, an isolation transformer is required due
to the RPI M6A/ M8A/ M10A not having galvanic isolation between the
DC-input and AC-output. Wiring illustrations please refer to Figure 4-1.
• Inverters provide DC inputs in parallel (2 MPP tracker/ 3 parallel inputs).
• Different DC connections type need different settings of insulation
detection.
•
It must to keep DC and AC power off when disconnected the DC connector
even if turn off the manual switching that in the button cover.
4. Wiring
1
2
3
4
L1
L2
L3
N
PE
1
2
AC Wiring
DC Wiring
Parallel or
Separate
*
* RPI M6A/ M8A/ M10A
can also support 3P3W system.
+
-
+
-
+
-
Figure 4-1 Connection of a system for floating solar array
WARNING！SHOCK HAZARD
Whenever a PV array is exposed to sunlight, a shock hazard may exist due
to output wires or exposed terminals. To reduce the risk of shock during
installation, cover the array with an opaque (dark) material and ensure that
the Disconnect Device in the inverter is set to OFF before commencing any
wiring.
DRM
14
Wiring
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