If you are using the IQ Combiner, the wiring diagram is on the inside
cover. Coming from the array, L1, L2 and G. Going to the utility
interconnection, L1, L2, G, N. L1, L2 into the 20a breakers, G to the G
busbar, N to the N busbar. It's all there and is a nice package I
think. My personal preference is to use manufacturer's equipment
instead of making my own. I don't know if the AHJ would complain about
non-listed equipment in the case of making your own DAS center. The
Envoy may need a button pushed once in a while. I have asked customers
to do this to save a trip. The Enphase "package" is safe for them to do
that. I hope I did not miss your question. Chris
On 3/28/2019 12:55 PM, Jason Szumlanski wrote:
When mounting an Envoy on the supplied DIN rail in a PVC box wired via
PVC conduit, is there any requirement to accompany the conductors with
a ground wire? The envoy itself does not have a ground connection and
the only exposed metallic part is the DIN rail.
I'm thinking I need to mount a ground lug in the PVC box so the
circuit conductors have a ground wire in the conduit. I have always
used the IQ combiner even for larger systems because it was just
easier. I'm considering changing to a regular PVC junction box with
just an Envoy.
While on the subject, if there is ample space within a load center,
would it be permissible to mount the Envoy right inside the enclosure?
400A plus load centers in residential settings often have a lot of
empty space!
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