[RE-wrenches] MIXING ENPHASE M-2XX / IQ6 MICROS & ENVOY / IQ-ENVOY ON SAME AC COMBINER LOAD CENTER

Wed Nov 29 07:06:07 EST 2017

Thanks Nick!

So we will need two Envoys, which is what I expected.

My question # 5 again. Will the Enlighten software monitoring portal 
aggregate all 64 Enphase micros into a single unified production view, 
or will two separate production views (48 existing M215s; 16 new IQ6s) 
be required for the same site?

Best regards,

Gary Willett PE
Icarus Engineering / Solar Services LLC
Irving TX

On 11/28/17 8:30 PM, Nick Soleil wrote:
> Enphase does allow an IQ Envoy and an older Envoy (Envoy-S or earlier) on the same site.    We were initially conservative and didn't officially recommend it, but have removed that wording from our IQ Microinverter datasheet and from our trainings.
>
>
> The new IQ Envoy won't talk to the M and S-series micros (and vice-versa), so you will need two Envoys, one of them being an IQ Envoy.
>
>
> Cordially,
>
> Nick Soleil
>
> Enphase Energy | Product Manager, Envoy and IQ Accessories
>
>
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> ________________________________
> From: RE-wrenches <re-wrenches-bounces at lists.re-wrenches.org> on behalf of Jason Szumlanski <jason at floridasolardesigngroup.com>
> Sent: Tuesday, November 28, 2017 4:49 PM
> To: RE-wrenches
> Subject: Re: [RE-wrenches] MIXING ENPHASE M-2XX / IQ6 MICROS & ENVOY / IQ-ENVOY ON SAME AC COMBINER LOAD CENTER
>
> Although Enphase recommends against it I believe (mixing generations at
> this time), in theory you need one ACCP, two Envoys (one of each type), and
> you can aggregate into a single portal system (just add the second Envoy to
> the activation). I think the mixing of systems is not recommended due to
> potential communication interference.
>
>  From what I understand they are launching an IQ Envoy that will handle both
> systems in the future, but they are not there yet.
>
> I'm actually sourcing some M250's at this moment to add to a M215 system
> for a client. I wanted to avoid the whole IQ issue and let someone else be
> the guinea pig, so let us know what results you have! :)
>
> We are about to have hundreds of homes with a mix of some with M series and
> some with IQ series in very close proximity. This should be interesting!
> But I don't expect any major issues home to home. The first IQ systems are
> not showing any issues yet.
>
>
> Jason Szumlanski
>
>
>
>
> On Mon, Nov 27, 2017 at 8:27 PM, Gary Willett <Gary at icarussolarservices.com>
> wrote:
>
>>     ESTEEMED WRENCHES:
>>     I'm in the process of engineering a project to add 16 new Enphase IQ6
>>     micros to an existing 48 Enphase M215-IG system that has been
>>     in-service about 2 years.
>>     The original system has a NEMA-3R outdoor AC Combiner Panel (ACCP) with
>>     each of the (3) M215 AC strings landing on a separate 2-pole 20A
>>     circuit breaker.
>>     The Enlighten Envoy is mounted in a NEMA-4 plastic enclosure below the
>>     ACCP, and is powered by a 1-pole 15A breaker in the ACCP.
>>     My intent is to land the new 16-IQ6 string on a new 20A breaker in the
>>     ACCP, and to power its Envoy (if needed) also from the ACCP.
>>     In studying Enphase documents:
>>
>>       (A) IQ6 micros have to be monitored by an IQ-Envoy.
>>       (B) Envoy uses a 1-pole "L1, "N", and "EGC" a dedicated NEMA-5R
>>       receptacle branch circuit for power supply and its AC comms modem.
>>       (C) IQ-Envoy uses "L1, "L2, and "N", for power supply and its AC
>>       comms modem, and is wired directly to its dedicated 2-pole breaker.
>>
>>     My questions:
>>
>>       1. Can I replace the existing Envoy with a new IQ-Envoy, and monitor
>>       the all 64 micros (48 existing M215s; 16 new IQ6s) with the new
>>       IQ-Envoy?
>>       2. If the answer to "1" is yes, that's what I would like to do.
>>       3. If the answer to "1" is no, can I still land the new IQ6 string
>>       on the existing ACCP, or do I need to place another ACCP just for
>>       the new IQ6 string and any future growth?
>>       4. If the answer to "1" is no, can the existing Envoy and the new
>>       IQ-Envoy both be powered from the same ACCP?
>>       5. If both the existing Envoy and the new IQ-Envoy can co-exist at
>>       the same customer site, will the Enlighten software monitoring
>>       portal aggregate all 64 Enphase micros into a single unified
>>       production view, or will two separate production views be required?
>>
>>     Thanks for your help!
>>     Gary Willett PE
>>     Icarus Engineering / Solar Services LLC
>>     Irving TX
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