isolstator

Discussion in 'Solar Power' started by pkurzok, Mar 10, 2011.

  1. pkurzok

    pkurzok Read Only Funster

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    hi guys
    just about to do my solar system i have the following so far
    2 80watt cells
    20 amp reg
    2 220 amp batteries
    1 95 amp battery original fitted to van
    on board mains charger which works on mains or genset
    plus brkt and cables
    the question is should i put a change over switch between the charger and the solar panels so that i can isolated the solar from charger. if so do i need to do this for the ground as wlel eg 2 pole switch. i am bit worried about feed backs on the cell reg and or charger circuit
    paul
     
  2. Geo

    Geo Trader - Funster

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    All the protection you need is in the panels and reg
     
  3. Loddy

    Loddy Read Only Funster

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    The controller should have built in diodes (one way valves) to stop any feed back so you should be OK, check which battery has the connections for leisure supply and wire the solars to the others

    Loddy
     
  4. Geo

    Geo Trader - Funster

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    Why:RollEyes:
     
  5. Loddy

    Loddy Read Only Funster

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    Work it out your the clever one

    Loddy:Wink:
     
  6. hilldweller

    hilldweller Funster Life Member

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    Beats me too.

    Be a good idea to put a fuse in the solar feed right next to whatever battery +, just in case.

    And in all cases, read the manufacturers instructions rather than a load of unknowns on a forum.
     
  7. Reallyretired

    Reallyretired Funster

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    You don't need a switch to isolate the solar panels, as per previous posts,however if you still want to fit an isolator switch then it must be fitted between the solar panel and the solar regulator.Only single pole is needed which can be in either wire as the regulator and solar panels are not normally connected to the chassis
    A solar panel connected to the solar regulator with no load (battery) can damage the regulator.

    A fuse should be fitted between the solar panels and the regulator (20 A) as well as the one on the battery as per Hilldwellers post.
     
  8. Geo

    Geo Trader - Funster

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    Here we go again:Doh: "Planet Noddy" not a civil word in his vocabulary
    "Vacabulary" the number of words you know:RollEyes:
    Geo
     
  9. eric 83

    eric 83 Read Only Funster

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    The only problem i see is the old battery,it will pull the other new ones down to its level,but just my opinion ?:Eeek:
     

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