[RE-wrenches] After market SMA TL inverter shade covers

Benn Kilburn benn at skyfireenergy.com
Thu Sep 1 17:14:59 PDT 2016


Actually there would NOT be any direct sun exposure (sun passing north of overhead) around midday around here. The only direct sun exposure on a north wall would be in the summer mornings and evenings. 
See the sun path chart on this linked page....
http://www.gaisma.com/en/location/edmonton.html

Midday sun on a north wall in Panama??? Now that is another story.....
http://www.gaisma.com/en/location/panama.html

Benn Kilburn
SkyFire Energy Inc. 
780-906-7807

> On Aug 29, 2016, at 8:03 AM, Benn Kilburn <benn at skyfireenergy.com> wrote:
> 
> Nick, 
> Yes, there would be some direct sun exposure midday as well. 
> 
> Benn Kilburn
> SkyFire Energy Inc. 
> 780-906-7807
> 
>> On Aug 28, 2016, at 10:27 PM, Nick Soleil <nsoleil at enphaseenergy.com> wrote:
>> 
>> Hi Wrenches. 
>> 
>> 
>> Yes, our product is NEMA 6, so is pretty robust once the DC and AC cables are connected.  That said, our M215 Installation and Operation Manual states that the microinverters should not be installed in a location that allows for "long term exposure to direct sunlight."  The challenge with north facing locations is that the sun does pass to the north of direct overhead for several hours a day in the summer months.  Depending on the amount of exposure during the summer afternoons, this could be problematic.  
>> 
>> 
>> See page 18 of the manual:
>> 
>> https://enphase.com/sites/default/files/M215_Installation_Manual_NA.pdf
>> 
>> 
>> 
>> Cordially,
>>  Nick Soleil
>> Enphase Energy
>>  | Field Applications Engineer
>> 
>> (707) 763-4784 x7267  // office
>> (707) 321-2937  // cell
>> 
>> 
>> Energy
>>  Evolved
>>>> 
>> 
>> Powering What’s Next™ | The Enphase Energy Management System
>> 
>> 
>> NABCEP Certified Solar PV Installer #03262011-300
>> California C10 Licensed Electrician #986315
>> Texas Master Electrician #284451
>> 
>> “Don’t get me wrong: I love nuclear energy! It’s just that I prefer fusion to fission. And it just so happens that there’s an enormous fusion reactor safely banked a few million miles from us. It delivers more than we could ever use in just about 8 minutes. And it’s wireless!”  
>> - William McDonough
>> 
>> 
>> 
>> 
>> From: RE-wrenches <re-wrenches-bounces at lists.re-wrenches.org> on behalf of jay <jay.peltz at gmail.com>
>> Sent: Sunday, August 28, 2016 6:43 PM
>> To: RE-wrenches
>> Subject: Re: [RE-wrenches] After market SMA TL inverter shade covers
>>  
>> Hi Bill and Benn,
>> 
>> Those micros are rated nema 6, which is submersible rated.
>> 
>> I”m curious which element/s they are referring to?
>> 
>> jay
>> peltz power
>> 
>> 
>> 
>> 
>> 
>> 
>>> On Aug 28, 2016, at 6:35 PM, frenergy <frenergy at psln.com> wrote:
>>> 
>>> Benn,
>>> 
>>>             Just curious, if they are on a north facing wall at your latitude (Edmonton?) they shouldn't ever see any sun or just the tiniest bit.  Considering the normal location of micros it seems some wind and rain should be expected whether under a module or under a north facing eave.  Enlighten me.
>>> 
>>> Bill
>>> 
>>> Feather River Solar Electric            
>>> Bill Battagin, Owner
>>> 4291 Nelson St.
>>> Taylorsville, CA 95983
>>> 530.284.7849
>>> CA Lic 874049
>>> www.frenergy.net
>>>> On 8/28/2016 5:23 PM, Benn Kilburn wrote:
>>>> We are working on a service call for an enphase system (installed by others) where the 9 inverters are located, exposed to the elements, on rack on a north facing wall (rooftop equipment enclosure). The modules are installed about 75' away as decorative(?) awnings for a downtown penthouse suite. 
>>>> So far about 3 of the enphase inverters (M215's I believe, would have to double check) have failed and have been replaced and I recently was on the service call where enphase determined that 4 more would need to be replaced as well. 
>>>> Enphase is claiming that the inverters are failing because they are exposed to the elements. 
>>>> We are in the process of designing a cover for them that would provide at least as much protection as a module would. 
>>>> 
>>>> Benn Kilburn
>>>> SkyFire Energy Inc. 
>>>> 780-906-7807
>>>> 
>>>> On Aug 26, 2016, at 3:58 PM, Peter Giroux <pgiroux at mindspring.com> wrote:
>>>> 
>>>>> Andrew
>>>>>  
>>>>>   We had some problems last year with some of the fronius primos leaking in rain / wind conditions. Customer had a local shop tig weld an aluminum shell / box that went around the unit. Had a shelf at the top that stuck out like the brim of a hat. Worked great. We had also looked for something and this custom made box was reasonably priced, looked great and solved the leaking issue. If you want pictures let me know.
>>>>>  
>>>>> Peter Giroux
>>>>> American Solar
>>>>> Roswell Ga
>>>>> 678-525-0468
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