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PeterW

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Everything posted by PeterW

  1. PeterW
    Jeremy - did you intend to use a PIC to do this ..? Just wondering if it forms the basis of a "monitoring" ecosystem that could take a range of sensors..?
  2. PeterW
    Could Store 2 not house the boiler and UFH manifold as its bang in the centre of the building..? Store 1 would seem a likely candidate for DHW cylinder unless there is a pumped circuit from the tank - assuming its in Boiler & Plant..?
  3. PeterW
    That looks like you laid the UFH then dropped A146 mesh over the top..? Is that correct..? Considering doing that as its got to be quicker than cable ties and easier to walk on. Out of interest, how deep is the EPS and what uValues are you targeting for the floor/walls/roof..?
  4. PeterW
    +1 to those. I fitted a loft ladder into 350mm of fibre insulated loft space - made a sealed ply box round the side (bigger at the steps side) and insulated that with 100mm of Celotex and then hinged a ply lid onto that, again with 100mm Celotex. Works really well and allows the use of an airtight drop door mounted loft ladder and keeps the warmth in
  5. PeterW
    Electric cable to what..?? If its armoured and not massive power then an external shielded CAT5 won't really care - you're not running a high end banking app !
  6. PeterW
    The slight difference in my setup is that normally a W-Plan uses a diverter valve which is in essence a 3 way valve with a spring return. It has only 2 wires (L/N) and is binary in its flow. I've used a mid position valve for a couple of reasons - firstly I get feedback off the orange wire (240v when open) to drive a relay, and secondly I get the benefit of the time delay on opening (circa 8 seconds) that will allow the HP to start up and push the slug of cool water out and before the relay kicks over to the lower temperature. This would hopefully stop the issue of the HP kicking in then straight out as it would see "hot" water on the 35c stat. To drive it the same all I need is a signal on grey and white combined to open it. Well that is the plan.... And it also reuses a brand new 3 port I happen to have lying around !
  7. PeterW
    W-Plan is a standard wiring plan as like S-Plan and Y-Plan, it just prioritises DHW over heating (see here W-Plan Link ) This is a rough schematic of what I plan to do here - it uses a 3 position valve output (via Orange wire) to switch the relay to sense either the 50c or the 35c sensor. ASHP > Tank is the always open route, which means the auto bypass is only needed when the UFH is satisfied and the mixer valve closes down before the pump goes off. NOTE - this is still being planned !!
  8. PeterW
    Nope just DHW - volume of water in a decent UFH and the temperature rise you can get is small enough that you may not need a buffer as long as you don't have the hysterisis set too low and get it cycling. I'm looking at a buffer of no more than 70-100 litres assuming I can even get one that small as an option but I am not overly concerned about it
  9. PeterW
    Oddly this is where I am at with things at the moment and an ASHP that can do two different temperatures - 35c for UHF and 50c for DHW which is boosted by immersion / PV divert. Using W-plan it ensures you've always got DHW priority, but that isn't for everyone !
  10. PeterW
    Saw it on George Clarkes amazing spaces a couple of weeks ago - looked like a hanging rail and runner at the top. Will see if I can dig out a screen shot or image
  11. PeterW
    Amazon could learn a LOT from them !
  12. PeterW
    I've got a 500L UVC from Trevor with a HP coil and it has a single immersion. The HP coils are different as they are high recovery and circa 3sqm IIRC It is pretty big but the issue we had was the 60 litre floor standing EV..! That is definitely one for the attic if you go for a UVC. Also be aware that the control group they provide is 28mm and is a serious bit of kit that needs planning in. Price was in line with what Nick quoted DOC230216.pdf
  13. PeterW
    Hi I will add you to the blog group - that should allow you to create a new blog. Any questions drop me a PM
  14. PeterW
    That's a good price !
  15. PeterW
    .... That's the intake and extract vents I'm talking about ! I have the option to put both on the same wall around a metre apart and it's a north or south wall, or if I want them further apart it's a west facing wall which is onto a road (but hardly used) I know the general consensus is to have them on the same face - would it matter if I made one a wall vent and the other a roof vent ..? Roof is 50 pitch for reference. And which goes where ..??!
  16. PeterW
    I'm looking at the Lindab style domus system and its 63mm duct - where is the best place to find this at a reasonable price ..? thought I had bookmarked somewhere but now can't find it ..!
  17. PeterW
    Out of interest, who's warranty have you gone with..?
  18. PeterW
    Tried here ..?? http://www.i-sells.co.uk/m/prod_listing.php?cPath=178 I'm considering fitting a pre filter on the inlet just for the reason you have mentioned - you can get good 150mm filter boxes that take ordinary roll filter media for £25 so it makes sense to do it and have it as a primary filter.
  19. PeterW
    Wagner renewables quoted me £126 for Perlight Triple Black, £120 for Intenergy Eclipse for 12 panels The in roof system (easyroof) was £700 for 12 panels (8 east, 4 west) including all the flashings etc,
  20. PeterW
    Yep - they have been that price for about 6 months !
  21. PeterW
    I've got a price of £126 I think somewhere - will dig it out if you want..?
  22. PeterW
    How much difference in price..? Are these for FIT or not..? I had a price on all black that was about £8 a panel more
  23. PeterW
    Klug are even cheaper - and just as good... try Ironmongery Direct
  24. PeterW
    OK so can you fully insulate the hotpress walls with 75mm of PIR insulation between the studs, in the ceiling and potentially under the floor..? That reduces the need for extra insulation on the tank. You can comfortably get a 300 litre UVC in that space then, Telford (other brands are available) will put the connections where you want them so you could line them up pretty much 11-1 on the front to give you some room to play with but its doable. Only issue will be where you put the expansion vessel as space will be tight.
  25. PeterW
    Petrol Flymo are awesome....
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