dpmiller

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About dpmiller

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    Advanced Member
  • Birthday July 5

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  • About Me
    Self-employed techie specialising in Lab and garage stuff. Biker, camera geek.
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    Newtownards

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  1. dpmiller
    @ProDave broken blade sadly
  2. dpmiller
    can you fabricate a ring of something to fill the gap?
  3. dpmiller
    fans need to be a close fit in their housing otherwise efficiency is reduced, the air basically recirculates.
  4. dpmiller
    our guys did neither of those.
  5. dpmiller
    Why would the TF company need mains power?
  6. dpmiller
    certainly L&Cs take on hybrid is to switch from ASHP to the other boiler when ambient temp crosses a set point, it's configurable with DIP switches to temps betwen +5 and -5C. Presumably they reckon that the COP loss plus defrost cycling means the alternative fuel is cheaper in those circumstances.
  7. dpmiller
    You know, I've just re-read your story and brief and it's amazing just how similar it is to ours. And this is what *we* ended up with. dorm093-350-Miller-NI-A.01.pdf dorm093-350-Miller-NI-A.02.pdf
  8. dpmiller
    Some heatpumps have built-in control for the boiler using similar strategy. The Peak/ Lailey and Coates unit for example.
  9. dpmiller
    You'll need to get a design SAP done for Building Control so that'll be a useful bit of modelling.
  10. dpmiller
    thee are some good "book plans" out there to get you started. We used this guy http://www.irish-house-plans.ie/index.html Shaun is really good, he totally re-drew one of his base designs to suit our needs. he's got a wide range of examples and you might be able to find portions of some that suit.
  11. dpmiller
    ^and it works. very well.
  12. dpmiller
    Does the neighbour actually *own* the land? Can you check whether the properties are freehold or leasehold?
  13. dpmiller
    BPC is in Northern Ireland. That's the UK y'know.
  14. dpmiller
    Looks good. Those blocks look very like the Quinnlites we used and similarly we've had no issue- expressnails, Hiltis, screws all have gone in firmly without incident.
  15. dpmiller
    But as inverters are current sources, trying to drive into what is basically an open circuit and minimal load would likely have the voltage swinging wildly. The mains supply isn't just for frequency control...