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14
The solar inverter takes a 48V battery input to operate. This will require combining 12V or 6V
batteries in series to achieve the minimum voltage DC requirement. It is recommended to use
battery cables with ring terminals. The ring terminals must be firmly tightened and secured on
the respective battery terminals to prevent any excessive heating or resistance. Connect the
positive and negative battery ring terminals to the respective positive and negative battery
terminals on the solar inverter.
When combining panels in parallel it is recommended to use a combiner box for safety and
organizational precautions. The solar inverter accepts a maximum of 150VDC input and
requires a 48V battery input to operate. This will require combining solar panels in series or
series parallel to achieve the minimum voltage DC requirement. Due to many factors affecting
PV performance, it is recommended to utilize the open circuit voltage (Voc) when connecting
panels in series to make sure you stay under the 150VDC input. For parallel connections, it is
recommended to use the short circuit current (Isc) to make sure you are well under the 80A limit.
The bare wire terminal blocks must be firmly tightened and secured to prevent any excessive
heating or resistance. Connect the positive and negative PV wire to the respective positive and
negative PV terminal block on the solar inverter.
PV Wiring
Maximum PV
Charging Current
Recommended
Wiring
Recommended
Wiring
Recommended
Circuit Breaker
80A 4AWG 2 pole, 100A Bare Wire
For PV to charge 48V battery banks, you will need a minimum PV Voc voltage of
60VDC.
NOTE
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