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Wiring the Inverter
3–2 975-0253-01-01
Connecting the DC Wiring
The GT Inverter is equipped with four PV quick connects (two positive, two
negative) for connecting up to two PV strings.
Equipment Needed
• Conduit for wire runs and appropriate fittings/bushings
• Wire cutters/wire crimpers/wire strippers
• Digital Voltmeter
• Frequency counter (optional, for troubleshooting).
Figure 3-1
PV Quick Connect Location
WARNING: Shock hazard
Whenever a PV array is exposed to sunlight, a shock hazard exists at the output wires or
exposed terminals. Cover the PV arrays with opaque material before commencing any
wiring.
WARNING: Shock hazard
Before wiring the GT Inverter, ensure the main breaker in the primary utility breaker box
is switched OFF. Switch this breaker ON only after all wiring is completed as instructed in
the procedures.
CAUTION: Equipment damage
Improper wiring may cause permanent damage to the GT Inverter. Take special care to
ensure the positive (+) and negative (–) wires from a single array connect to the same
inverter.
PV positive (+)
Multi-Contact connector
PV negative (–)
Multi-Contact connector
AC quick connect
(see page 3–5)