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Installation
3–38 976-0043-01-01
Install Utility Wiring to the Inverter Input (On-Grid Applications only)
While performing the following procedure, please refer to Figure 3-21,
“Utility Wiring to the Inverter Input” on page 3–39 .
Install the wiring from the inverter to the utility panel as follows:
1. Feed the HOT, NEUTRAL, and GROUND input wires (via conduit)
from the inverter to the utility panel. Leave three to six inches of extra
wire at each end.
2. Connect a GROUND (green or bare) wire
a) from the inverter AC GROUND bar
b) to the utility panel GROUND bar.
3. Connect a NEUTRAL (white) wire
a) from the inverter NEUTRAL 1 terminal
b) to the utility panel NEUTRAL bus.
4. Connect a HOT (black) wire
a) from the inverter AC1 GRID terminal
b) to the appropriate utility panel circuit breaker.
5. Torque all inverter terminal block connections to 25 inch-pounds.
CAUTION: Damage to Equipment
The inverter’s AC output must never be wired to any AC source
voltage such as a generator output or utility panel. This will
cause severe damage to the inverter which is not covered under
warranty.
Important: Make the connections to the inverter first. Wiring to the
inverter’s main breaker in the utility panel is performed after all
connections have been made in the inverter.