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Connecting the AC Wiring
975-0253-01-01
3–7
Connecting the AC Wiring
The GT Inverter can be connected to a single bi-directional meter, or to dual
meters, where one meter indicates power used and the second meter indicates
power sold (power supplied back to the utility). Consult the local utility to
determine the proper components to install, and obtain any permits required prior
to installation.
The GT Inverter must be connected to the utility with three wires—two lines (one
Active phase and one neutral phase) and one protective earth (ground).
Making AC Connections for GT2.5-DE, GT3.8-DE, GT2.8-SP, GT3.8-SP Models
GT Inverter models GT2.5-DE, GT3.8-DE, GT2.8-SP, GT3.8-SP are equipped
with a quick connect for making AC connections. You must install a mating
connector on the the wiring between the utility panel and the GT Inverter. The GT
Inverter must be connected to the utility with three wires—two lines (one Active
phase and one neutral phase) and one protective earth (ground). Wiring must meet
all code requirements and be a minimum of 2.5 mm
2
. The recommended Binder
connector will accept cables with an outside diameter of 10-12 mm and a
maximum 2.5 mm
2
wire size.
You will need:
•
Wire strippers
•
Small (3 mm) slot-head screwdriver
•
Binder, Series 693, Female Cable Connector, Part Number 99-4222-14-04
(included)
The AC wiring from the utility panel must be terminated with a Binder Female
cable connector (Binder Series 693 part number 99-4222-14-04) before being
connected to the AC quick connect on the GT Inverter.
To terminate the AC wiring:
1. Strip 10 mm of insulation from each of the wires from the utility panel.
2. Unscrew the female terminal from the shell of the female cable connector. See
Figure 3-5.
3. Unscrew the other components of the female cable connector.
4. Run the wires through the pressing screw, pinch ring, seal, and shell of the
female cable connector.
WARNING: Shock hazard
Before wiring the AC connections between the GT Inverter and the AC breaker panel,
ensure the
main breaker
in the breaker panel is switched OFF, and that PV power is
disconnected from the inverter. Do not reapply AC or PV power until after all wiring is
completed, as part of the commissioning procedure in Chapter 4, “Starting the Inverter”.
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Summary of Contents for GT 2.5-DE, GT 3.8-DE, GT 2.8-S
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