Step 3: Connecting The Microgts To The Pv Modules; Step 4: Grounding The System; Figure 6, Connecting Microgts To The Pv Modules; Figure 7, Grounding The System Using The Grounding Clamp - Magnum Energy MicroGT 500 Owner's Manual

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Installation

Step 3: Connecting the MicroGTs to the PV Modules

Use Figure 6 when connecting the DC cables from the PV modules to

the MicroGT 500 inverters.

Note: Upon connecting the DC cables to the ﬁ rst module, the MicroGT

500 inverter's LED (on bottom of unit) should blink red, followed by

three green blinks—indicating that the MicroGT inverter is functioning

correctly. This test function starts and ends within 5 seconds of

connecting the DC cables, so pay careful attention to the LED when

performing this task. This only occurs when DC voltage is applied to

the ﬁ rst module. The LED will not ﬂ ash when the second module is

connected.

Each MicroGT 500 comes with a ground clamp that can accommodate

a single #6 AWG (13.3 mm

electrical code for grounding conductor sizing requirements.

Note: If you used grounding washers to ground the MicroGT 500's

chassis to the PV racking—per Note in Step 2—skip this step.

1. Connect the grounding electrode conductor to the MicroGT 500

inverters' ground clamps (Figure 7).

Note: The AC output neutral is not bonded to ground inside the

MicroGT 500 inverter.

DC MC4 Connectors

) copper ground wire. Check your local

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