Grid-Tied Residential Inverters
Installation and Operation Manual
13
WARNING
Ensure the main 240V (or 208V for the PVP2800 and PVP4600 or 120 for PVP1100
or PVP1100EVR) breaker at the circuit breaker panel is switched OFF before con-
necting to the AC terminal block.
!
To wire the inverter to the main utility grid, follow these steps and refer to Figure 3-9:
Run the conduit from the main breaker panel to the bottom of the inverter. Insert the
1.
fitting in the center opening of the inverter and fasten it with a locking nut.
Feed the LINE 1, LINE 2 and GROUND wires through the conduit and into a center
2.
opening of the inverter.
Connect the GROUND wire to the terminal marked “earth ground” inside the
3.
inverter.
Connect the LINE 2 wire to the terminal marked “line 2” inside the inverter.
4.
Connect the LINE 1 wire to the terminal marked “line” inside the inverter.
5.
Ensure all connections are wired correctly and properly torqued. Tighten the termi-
6.
nal block screws to 0.5 Nm (0.37 ft/lb).
Figure 3-9 AC Wiring for the Line 1, Line 2 and Ground Wires
NOTE:
In the PVP1100 units. Line 1 wire is the only phase voltage wire.
LINE 2 is neutral and LINE 3 is the AC GROUND.
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