<div dir="auto">I'm talking about systems that exceed 52 IQ7+ microinverters. These systems require an alternative AC load center. I have actually used the IQ combiner to just house the Envoy in the past for simplicity's sake even though the cost is somewhat higher. It is interesting to note that Enphase probably did not anticipate this use case for the IQ combiner because they do not include a knockout cover for the first PV string.</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Mar 28, 2019, 2:43 PM Christopher Warfel <<a href="mailto:cwarfel@entech-engineering.com">cwarfel@entech-engineering.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p>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<br>
</p>
<div class="m_-5708910868496231960moz-cite-prefix">On 3/28/2019 12:55 PM, Jason Szumlanski
wrote:<br>
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<div dir="auto">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.
<div dir="auto"><br>
</div>
<div dir="auto">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. </div>
<div dir="auto"><br>
</div>
<div dir="auto">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!</div>
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