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  1. Rich d
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    Rich d New EF Member

    Location:
    Bristol
    Hi everyone. Hoping someone can help. I'm using a recently qualified electrician to carry out the following work but he wants me to tell him what I want and supply parts for wiring to lpg boiler/thermal store. I would like to have two pipe thermostats on flow and return to store (as close as pos to store). I have an existing hw programer which I thought could call for heat at set times and if highest stat was 50c or less it would turn on small circulating pump/boiler. Once the bottom stat reached 70c ish it would turn the pump and boiler off until the top one then went back down to 50c. Im pretty sure I need a latching relay but really not sure how to wire it all and exactly what parts I will need.
    Would be great if someone could draw a diagram to help and tell me what bits I need. Many thanks
     
  2. Midwest
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    Midwest Electrician's Arms

    Location:
    Oxfordshire
    I have no idea, but I expect a member will be along shortly, who knows about these things. Incidentally, why not employ an electrician with the suitable skills and expertise for this type of install?

    I take it this is not the Royal 'we' in this case, i.e. you do actually have an electrician, and not doing it yourself. :)
     
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  3. Pete999
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    Pete999 Trusted Advisor

    Top Poster Of Month

    Location:
    Northampton
    When you employed this Electrician to carry out the work you needed,did you explain exactly what you needed?
    How much were you charged, did the price he quoted inclusive of All the parts needed? it sounds on the face of it, that this Electrician does not know what he is doing, or he is a cowboy trying it on, or, which I hope I'm wrong, you are doing the work yourself and have reached an impasse where you are unsure of what to do next. Sorry if my reply sounds as if I'm having a dig at you, but it's not the case. Your post does sound as though you have some idea of what is required
    I did actually think exactly the same as you, but was unsure how to put it to the poster, went into print but got into a ramble, your post says it all.
     
  4. westward10
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    westward10 In echoed steps I walk across an empty dream. Electrician's Arms

    Location:
    Northamptonshire
    No disrespect to your recently qualified electrician but I think this job at the moment may be exceeding his level of expertise or any recently qualified person at the moment. Do yourself a favour and get someone in who has knowledge of your requirements and they will tell YOU the best course of action or I feel we may be hearing from you again in the not too distant future.
     
  5. Rich d
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    Rich d New EF Member

    Location:
    Bristol
    Ha thats quick. I just looking for the best way to do this. it's a new build house and my electrician has been very good price and work wise. He's happy doing this last bit but I want to be happy it's going to work in terms of boiler cycling and providing heat to the right section of thermal store when the central heating is on and also provide dhw (this is what he not sure about and I happily agreed to research and give a solution to how I wanted it wired). I'm guessing you don't have an answer to this?
    Many Thanks
     
  6. Wilko
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    Wilko Electrician's Arms

    Location:
    Berkshire
    Business Name:
    Wilko Electrics
    Absolutely - getting a design "off the Internet" is perhaps not the best. If I understand correctly this involves pressurised hw and so perhaps they should be G3 qualified as well?
     
  7. dansk
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    dansk Electrician's Arms

    Location:
    Bingley
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  8. Rich d
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    Rich d New EF Member

    Location:
    Bristol
    The work is an extra as the openvented cylinder has been installed by renewable heating compamy and now works perfectly with pumped wood burner and solar thermal panels(these guys were cowboys and were also not certified to fit lpg but that another story). The lpg boiler is a backup. I have Read many stories of thermal stores not working as planned so I have researched how i want it to be heated and just want my thoughts on the wiring confirmed and when i'm looking at relays to buy i' m struggling to see what is suitable
     
  9. Midwest
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    Midwest Electrician's Arms

    Location:
    Oxfordshire
    It seems to me that with all these self build/new build projects, they all have a limiting factor - cost. Seems you've already employed a contractor who has no expertise in their field.

    I personally, would bite the bullet, and employ somebody who knows what they are doing. Research, www and small amount of knowledge, eventually it will go pear shape IMO.
     
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  10. Rich d
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    Rich d New EF Member

    Location:
    Bristol
  11. solarsavings
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    solarsavings Electrician's Arms

    Location:
    Cambridgeshire
    You don't need G3 to work on a thermal store.
     
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  12. Hellmooth
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    Hellmooth Electrician's Arms

    Location:
    Livingston
    Business Name:
    CM Electrical
    If you don't have a constructive answer then why bother posting? It's the same old over and over, I could repeat the posts in my sleep!
     
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