Tech Help

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  1. I want to connect two panels @13 V 2.5 amp and get 13 V @ 5 amp? What do I need?

    Asked 06/09/2013

    I have two identical solar panels, they have regulator's built in, 13 volts @ 2.5 amps each.

    Question – 1 comment

  2. Could TL inverters with higher efficiency outweigh the negative of them having a higher start-up voltage than a standard one?

    Asked 06/06/2013

    Question – 1 comment

  3. Where can I find the full guidelines to the UL 2703 standard?

    Asked 06/04/2013

    I see that the basic scope is outlined here: http://www.civicsolar.com/forum/13625/what-exactly-does-ul-2703-approval-mean-and-which-your-

    Question – 2 comments

  4. In Michigan, above 45th Par, what is ideal south facing angle for max collection? Roof mt. so no adj.

    Asked 05/28/2013

    With panels fixed to the roof, I need to know an "ideal" angle for year around efficiency.

    Question – 1 comment

  5. Can a Midnite Solar Classic 200 communicate with an Outback Power system through the Outback Mate?

    Asked 05/24/2013

    Or do you need an Outback Flexmax charge controller for that capability? 

    Question

  6. I have 70 ac microinverter panels, I'm going to mount landscape on my barn roof. What size service panel, breakers, and wires do I need?

    Asked 05/22/2013

    I have 70 ac microinverter panels I'm going to mount on my barn roof landscape.

    Question – 2 comments

  7. How do you splice a M215 trunk line to an M190 trunk cable, as I am adding a new M215 - 6 panel array to an existing M190 array?

    Asked 05/20/2013

    Question – 2 comments

  8. PG&E installed a smartmeter. they suggested that i check my systems inverter to ensure it turned back on

    Asked 05/19/2013

    I'm not sure solar panel inverter turned back on after PG&E shut off power there's words like sync ac and state 104 in the m

    Question – 2 comments

  9. Can I mix panel manufacturers, Canadian w/ REC scm 225?

    Asked 05/14/2013

    Can I mix panel manufacturers, Canadian w/ REC scm 225? discussion,solar installation discussion,solar forum

    Question – 1 comment

  10. Connecting more wattage than recommended on Phocos MPPT Controller...

    Asked 05/14/2013

    I have a Phocos 30A 24V Mppt controller. The max PVwatt recommended is 900W . However I have 4 x 250watts panels.

    Question – 1 comment

  11. Auto switch from panels to grid

    Asked 05/05/2013

    I would like to power one circuit in the house (110 vac) with panels inverted to AC (no batteries) during daylight hours.

    Question – 2 comments

  12. What keeps the voltage from backfeeding to the grid during a power outage?

    Asked 05/02/2013

    We are an electrical coop located in South West Texas and a member has installed a model 5000US solar inverter fed by 21 panels, what keeps

    Question – 2 comments

  13. Windy Boy to Sunny Boy - converting back

    Asked 04/26/2013

    We have a WB US7000 that we would like to use as a Sunny Boy.

    Question – 1 comment

  14. Steca PR2020 controller (with SW235 solar panel) does not recognize night time. All other functions working fine. Any ideas?

    Asked 04/23/2013

    I know these need a few day/night cycles to learn from watching the voltage of the module when day and night are present but after 5 days

    Question – 1 comment

  15. I have a motorhome with a Steca control panel showing EO6 fault, any ideas?

    Asked 04/18/2013

    Question – 1 comment

  16. AGM Battery Voltage

    Asked 04/17/2013

    Hi, I am in the Panama Canal Zone and have bought here a new Deka AGM battery.

    Question

  17. I want a nominal 48-volt inverter to produce a nominal 110 &/or 220 VAC output,1000-watts or less. Any suggestions?

    Asked 04/12/2013

    My goal/purpose is to use portable 48V e-bike battery packs as a reservoir and as portable 48V e-bike battery packs.

    Question

  18. I bought the Sunny Boy USB-PBS PC Service Cable but am having issues. Is it 32 or 64bit?

    Asked 04/09/2013

    http://www.civicsolar.com/product/sunny-boy-usb-pbs-pc-service-cable

    Question – 1 comment

  19. When there is a connector mismatch with the Enphase M215 (MC4/Tyco) and an intermediate connector is needed, which one do I use?

    Asked 04/09/2013

    Question – 1 comment

  20. When purchasing a Soladeck Roof Mount Combiner/Enclosure, what are all of the associated parts that should be ordered with it?

    Asked 04/09/2013

    Question – 1 comment

  21. What do you need for a residential off-grid system that can support a 208V pump?

    Asked 04/08/2013

    Howdy,    I want to take my home off-grid.    I have split-phase 120/240V power, but I have a 1 HP 208V pump I use for my swim

    Question – 1 comment

  22. Charge Controller, 24 volt panels to 12 volt batteries

    Asked 04/07/2013

    I am looking for a charge controller that I can wire in up to 500 watts of 24 volt panels to charge 12 volt batteries.  What would you rec

    Question – 1 comment

  23. What does LID and CTM stand for?

    Asked 04/01/2013

    Can you tell me what LID and CTM stand for?  Are there particular installations or situations would this be most important to consider?

    Question

  24. Powder coated vs stainless steel battery box

    Asked 03/22/2013

    In a salt water area where corrosion is an issue, is there any significant benefit of choosing a stainless steel battery box over one that

    Question – 2 comments

  25. I have (8) 300w solar panels. How do I size the micro inverters and the power pure sine inverter?

    Asked 03/21/2013

    I want to tie the system into my house power and reduce my bill.  I also want to use the array as a back up when the grid is down (often i

    Question – 4 comments