Tech Help

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  1. The Energy Maximizer

    Answered by on 5 days ago

    The Energy Maximizer Management Unit (MMU) is necessary for every system.  The MMU controls and manages the maximizers, sends data to remote locations, and is the link

    Answer

  2. To answer Question 2, you can

    Answered by on 07/15/2014

    To answer Question 2, you can integrate a grid-tied inverter with an off-grid system through coupling the grid-tied inverter with storage.  One of our favorite componen

    Answer

  3. I currently have a small

    Answered by on 06/29/2014

    I currently have a small installation of Sharp 170W panels.

    Answer

  4. The first thing to consider,

    Answered by on 05/28/2014

    The first thing to consider, which Q Cells stresses, is that quality is the best warranty, and Q Cells's quality is really unsurpassed in the industry.

    Answer

  5. Southern Solar, It seems

    Answered by on 05/28/2014

    Southern Solar, It seems like the answer, from a financial standpoint, is pretty straightforward: You simply change the degredation rate in your financial model an

    Answer

  6. Please

    Answered by on 05/23/2014

    Please see:  http://www.dekabatteries.com/default.aspx?pageid=503 Most lawn mower and small engine batteries are 12V.

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  7. No, there are no off grid

    Answered by on 05/06/2014

    No, there are no off grid micro-inverters on the market that I know of. That means to use them in an off grid system you have to create an AC coupled PV system. 

    Answer

  8. 1) Completely different

    Answered by on 05/06/2014

    1) Completely different designs.

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  9. Please give more

    Answered by on 04/28/2014

    Please give more information. Is the inverter working at all?  Are there any error codes?

    Answer

  10. Clouds will affect the

    Answered by on 04/17/2014

    Clouds will affect the performance of your photovoltaic modules, which in turn will affect the performance of the inverter.  If the sun is not shining on your modules t

    Answer

  11. The main difference would be

    Answered by on 04/17/2014

    The main difference would be the input voltage on the DC side and where it comes from.

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  12. The following link indicates

    Answered by on 04/08/2014

    The following link indicates that you can get the 30% credit under the personal tax credit for residential renewable energy tax credit: Personal Tax Credit Residential E

    Answer

  13. Les, No. The output circuit

    Answered by on 04/02/2014

    Les, No. The output circuit of the Enphase inverters needs to be connected to a 2-pole, 240V breaker only.

    Answer

  14. Enphase's suggested maximum

    Answered by on 03/27/2014

    Enphase's suggested maximum ambient temperature is 65C.

    Answer

  15. Very good question.Here is a

    Answered by on 03/18/2014

    Very good question.

    Answer

  16. Please explain what you mean

    Answered by on 03/14/2014

    Please explain what you mean by compatible. Are you asking if they have the same specifications?

    Answer

  17. I'm assuming you are

    Answered by on 03/14/2014

    I'm assuming you are referring to 9000 watt-hours.  If you divide your watt-hours (9000)  by system voltage (12V) you will get amp-hours.....750 amp-hours in this ca

    Answer

  18. It depends on the

    Answered by on 03/13/2014

    It depends on the inverter.

    Answer

  19. Typically, vertical mounting

    Answered by on 03/10/2014

    Typically, vertical mounting would only be used in a far northern or southern latitude.

    Answer

  20. The Soladeck enclosure has

    Answered by on 03/10/2014

    The Soladeck enclosure has knockouts for 1/2" and 3/4" strain reliefs. A 3/4" strain relief with a clamping range of 9-16mm would work.

    Answer

  21. There has been a change to

    Answered by on 02/27/2014

    There has been a change to the building code that is now addressing PV systems mounted on roofs.

    Answer

  22. JA Solar is an abbreviated

    Answered by on 02/25/2014

    JA Solar is an abbreviated form of Jing Ao Solar.

    Answer

  23. Can you please provide more

    Answered by on 02/25/2014

    Can you please provide more information?  Do you know the name of the software?  What structural presentation are you referring to?

    Answer

  24. Hi David,   On this project

    Answered by on 02/18/2014

    Hi David,    On this project you should consider using a ballast mounted racking solution. The main benefits are - low cost, and no roof penetrations.

    Answer

  25. The panels do not need to be

    Answered by on 02/05/2014

    The panels do not need to be CEC approved but it is a very good idea.   Here is a quick primer on CSI from SCE.

    Answer