All-in-one solar charge inverter V1.0 18
solar charger inverters. The
L
lines of all inverters connected to the same phase need to be
connected together.
But
L
lines of different phases cannot be joined together.
Other
connection precautions are the same as parallel connection in single phase. For specific wiring,
please refer to 2.4.4Wiring Diagram
4.
AC IN wiring
:
Parallel connection in single phase
: Ensure L-to-L, N-to-N and PE-to-PE connection for all all-
in-one solar charger inverters, and that the connection is correct with the same wiring length
and line diameter before power on and start-up, so as to avoid the abnormal operation of
parallel system output caused by wrong connection. Meanwhile, it is not allowed to have
multiple different AC source inputs to avoid damage to the external equipment of the inverter.
The consistency and uniqueness of AC source input shall be ensured. For specific wiring, please
refer to 2.4.3 Wiring Diagram.
Parallel connection in split phase:
Ensure N-to-N and PE-to-PE connection for all all-in-one
solar charger inverters. The
L
lines of all inverters connected to the same phase need to be
connected together.
But
L
lines of different phases cannot be joined together.
Other
connection precautions are the same as parallel connection in single phase. For specific wiring,
please refer to 2.4.4 Wiring Diagram.
5.
Wiring of parallel communication line
:
Parallel connection in single or split phase
: Our company's parallel communication line is a
DB15 standard computer cable with shielding function. Ensure the "one-in-one-out" rule when
connecting each inverter, that is, connect the male connector (out) of this inverter with the
female connector (in) of the inverter to be paralleled. Do not connect the male connector of
the inverter to its female connector. In addition, make sure to tighten the parallel
communication line of each inverter with self-contained end screws of DB15 to avoid the
abnormal operation or damage of the system output caused by the falling off or poor contact
of the parallel communication line.
6.
Wiring of current sharing detection line
:
Parallel connection in single phase
: Our company's current sharing detection line is a twisted
connection line. Ensure the "one-in-one-out" rule when connecting each inverter, that is,
connect the current sharing line of the inverter with the current sharing green port of the
inverter to be paralleled (choose one port from the two, and there is no mandatory sequence