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Connecting DC Cables
10
Grounding Locations
The chassis ground terminal must be connected to a
grounding point, which varies depending on where you
install the PROwatt 600. Follow the guidelines that
correspond to your type of installation.
Vehicle
Connect the
CHASSIS GND
screw to the vehicle’s
chassis using 8 AWG copper wire (preferably with green/
yellow insulation).
Marine
Connect the
CHASSIS GND
screw to the boat’s DC
grounding bus or the engine’s negative bus using 6 AWG
copper wire that has insulation rated at 90º C.
Fixed Location
(residential, for example). Connect the
CHASSIS
GND
screw to your system’s DC grounding point
using 6 AWG wire. The system’s grounding point will
usually be the AC service entrance grounding point or a
separate ground rod. For a solar PV (photovoltaic)
installation, this is usually the same ground rod used to
ground the PV array.
Connecting DC Cables
Proper cables and wiring are essential to effective operation
of the PROwatt 600. Because the PROwatt 600 has a low
voltage, high current input, low-resistance wiring between
the battery and the inverter is essential to deliver the
maximum amount of usable energy to your load.
Cabling Guidelines
Deviating from these guidelines will cause excessive voltage
drop or melting of the cable and/or connectors. The inverter
may also shut down or fail to operate some loads.
• Make sure each cable between the inverter and the
battery is no longer than 4 feet (1.2 m).
• Use 4 AWG copper (90º C insulation rating).