© 2016 Sensata Technologies
6
Installation
Note:
Upon connecting the DC cables, the MicroGT 500 inverter’s LED
(on bottom of unit) should immediately blink red, then green three
times—indicating that the MicroGT inverter is functioning correctly.
This test function starts and ends within 5 seconds of plugging in the
unit, so pay careful attention to these lights when connecting the DC
cables. This only occurs when DC voltage is fi rst applied. The LED will
not fl ash when the second panel is corrected.
WARNING:
Ensure that all AC and DC wiring is correct.
Check that none of the AC and DC wires are pinched or
damaged. Be sure all the junction boxes are properly closed.
Step 4: Grounding the System
Each MicroGT 500 inverter comes with a ground clamp that can
accommodate a single #6 AWG (13.3 mm
2
) strand and #4 AWG
(21.1 mm
2
) solid conductor. Check your local electrical code for
grounding conductor sizing requirements.
Note:
If you used grounding washers (WEEB) 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
inverter ground clamp (Figure 7).
Note:
The AC output neutral is not bonded to ground inside the
MicroGT 500 inverter.
Figure 7, Grounding the System using the Grounding Clamp
Figure 6, Connecting MicroGTs to the PV Modules
A
B
Step 3: Connecting MicroGTs to the PV Module
Use Figure 6 when connecting the DC cables from the PV modules to
the MicroGT 500 inverters.
DC MC4 Connectors
Note: Use a female MC4 cap to
cover/protect an unused male AC
connector, and vice versa.
Содержание MicroGT 500
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