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Wiring the Inverter
3–10
975-0253-01-01
3. Loosen, but do not remove, the AC cable gland cap nut.
4. Pass the three wires from the utility panel through the cable gland and into the
wiring compartment.
5. Loosen the appropriate terminals and insert the wires into the terminals.
a) Connect the protective earth wire to a terminal marked with
.
b) Connect the neutral phase wire to the terminal marked L/N. (On older
boards this rightmost AC terminal is marked with ~.)
c) Connect the Active phase L wire to the terminal marked L. (On older
boards this left AC terminal is marked with ~.)
6. Tighten the terminals to a torque of 1.45 to 1.55 Nm (12.84 to 13.71 lbf-in).
7. Allowing the wires an appropriate amount of slack within the wiring
compartment, tighten the cable gland cap nut to a torque of 4 Nm, creating a
tight seal.
8. Re-attach the inverter front panel.
Communications Wiring for Multiple Inverters
Communications wiring between multiple GT Inverters allows information about
each inverter and its associated PV array to be communicated between all of the
inverters in the system. Information about the entire system can be displayed on
any inverter LCD in the system.
Figure 3-7
GT5.0-SP AC Wiring Compartment and Terminal Block
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Summary of Contents for GT 2.5-DE, GT 3.8-DE, GT 2.8-S
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