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Tech Help

Got a question? Take advantage of the knowledge and expertise of other CivicSolar members. Have a special skill or tip to pass on? Consider posting an article and adding to the depth of the CivicSolar knowledge base.

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  1. How do you calculate annual inverter output?

    Asked 05/02/2011

    What is the most important parameter consideration when trying to predict the annual system output of a grid-tied inverter (w/o battery ba

    Question – 1 comment

  2. How to mount a Sunwize C2-250 battery enclosure to a finished wall with 16" on center support beams?

    Asked 05/02/2011

    What is the best way to mount a Sunwize C2-250 battery enclosure to a finished wall with 16" on center support beams?   It is going t

    Question – 1 comment

  3. How do I calculate AC disconnect rating?

    Asked 05/02/2011

    If I have three identical inverters rated @ 3kwac, and 240VAC, on a residential system, (non-back up), what would be the best utility disc

    Question – 2 comments

  4. What material is the Sanyo solar module frame?

    Asked 05/02/2011

    Are the frames on the Sanyo panels clear anodized aluminum, or bronze anodized aluminum?

    Question – 3 comments

  5. What is the difference between bypass diode and blocking diode?

    Asked 04/29/2011

    I think I am just confused with this diode issue.

    Question – 1 comment

  6. What is a blocking diode?

    Asked 04/29/2011

    Can somebody explain me what a blocking diode is and how it is helpful in a solar module? Also, how is it different than bypass diode?

    Question – 3 comments

  7. What is a bypass diode?

    Asked 04/29/2011

    Can somebody explain me the function of bypass diodes and why they are helpful in a solar module? Thanks

    Question – 1 comment

  8. SMA Sunny Boy 3000 is highly recommended!

    Asked 04/29/2011

    Hi, I am working on   an interconnection in Monterrey, Mexico , with a SMA Sunny Boy 3000

    Question – 1 comment

  9. What is a good pass through box for a single string to connect the string to the conduit?

    Asked 04/29/2011

    What is a good pass through box for a single string to connect the string to the conduit?

    Question – 1 comment

  10. What battery material enclosure is recommended? Steel or plastic?

    Asked 04/28/2011

    I have a custom made stainless steel enclosure (like a deep tray with a topper).

    Question – 1 comment

  11. Can I vertically mount an AGM battery?

    Asked 04/28/2011

    Due to space limitations, I'd like to mount four batteries vertically in a custom made stainless steel battery enclosure.

    Question – 1 comment

  12. What grounding lugs do I need for the SolarWorld modules?

    Asked 04/27/2011

    What grounding lugs do I need for the SolarWorld modules?

    Question – 1 comment

  13. Can I use 250A DC disconnect with Xantrex XW6048?

    Asked 04/27/2011

    I have a trace 250 amp dc disconnect and i would like to use it with a xw6048 that you sell, is there any reason why i cant?

    Question – 1 comment

  14. Which charge controller should I choose?

    Asked 04/27/2011

    Would like some input regarding proper charge control selection for stand alone and grid tie systems.

    Question – 4 comments

  15. How does the Enphase D380 know the difference between going single- or three-phase?

    Asked 04/26/2011

    How does the Enphase D380 know the difference between going single- or three-phase?

    Question – 1 comment

  16. Should I wire my off-grid system for 24V or 48V?

    Asked 04/22/2011

    I am building a small (2kW) off-grid system with a  Outback FLEXPower One FP1-4 w/ GVFX3648 inverter and ET Solar panels.

    Question – 1 comment

  17. Can you wire dissimilar modules in the same string?

    Asked 04/21/2011

    I have a 10 Sharp NT-175U1 modules in my solar pv array and I am planning to expand the system by adding two more modules.

    Question – 1 comment

  18. What is the difference between mill finish and clear anodized rail?

    Asked 04/20/2011

    Is there any application difference? Do you recommend using mill finish flashing or rails in an application in California?

    Question – 1 comment

  19. What type of top clamps and grounding equipment shall I use with DPW top of pole mounts?

    Asked 04/20/2011

    I want to use DPW PowerFAB top of pole mount for my panels.

    Question – 1 comment

  20. What is the weight per square foot that the RapidRac?

    Asked 04/20/2011

    I'm looking for the Unirac RapidRac specification. What is the maximum load that Rapidrac will support?

    Question – 3 comments

  21. Is this a suitable junction box to use with my Enphase installation?

    Asked 04/20/2011

    I am hooking four 240W panels using an Enphase interconnect cable and then planning on this box then 10-3 running to service panel?

    Question – 3 comments

  22. Could you help me with wiring Enphase Interconnect cable?

    Asked 04/20/2011

    Okay, I need reassurance..

    Question – 4 comments

  23. Could you provide suppliers for Viscous Dampers for stabilizing solar trackers?

    Asked 04/19/2011

    Could someone provide suppliers for long travel viscous dampers for stabilizing tracking panels from wind gusts?

    Question – 1 comment

  24. What is included with the UniSolar PVL-136 Thin Film Panels?

    Asked 04/18/2011

    What is included with the UniSolar PVL-136 solar panels?

    Question – 1 comment

  25. Is an AC lightning arrestor essential for a PV system?

    Asked 04/17/2011

    I have an off grid system, I have DC lightning arrestors, but I read somewhere that I should have an AC surge arrestor and an AC surge cap

    Question – 1 comment