APsystems DS3 Series Installation/User Manual
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4.APsystems Microinverter System Installation
4.4.4 Step 4 - Ground the systems
a.
There already has earth wire inside the AC cable, thus the grounding work could be
done directly by it.
b.
For those areas that have special requirements, the external grounding work could
be done by grounding brackets.
Figure 3
4.4.5 Stpe 5 - Connect the APsystems microinverter to AC bus cable
Push the microinverter AC connector to the trunk cable connector. Listen for the "Click".
Figure 4
Best Practice: Use the Bus Cable Unlock Tool of AC Bus to split the connectors.
Figure 5
a. Check the microinverter technical data page(p.20) for the maximum allowable
number of microinverters on each AC branch circuit.
b. Plug the AC connector of the microinverter into the AC bus
AC connector interface as follows.
Figure 6
Cover any unused connectors with Bus Cable Y-CONN to protect the connectors.
Figure 7
Click
grounding brackets
