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readiescards last won the day on August 21 2017

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  1. Thanks @JSHarris for the qucik reply.. The tech guys suggested they have a 20 minute calibration period and I'm seeing a sort of 'learning mode/self calibration' when they are first asked for heat, where the device opens all the way up (taking about a minute with LED flashing) and becomes very loose in the holder (since it has come off the manifold valve pin), then it closes up a bit. Do you see this on every heat request or have yours 'learnt' your system or are yours constantly on maintaining the temp difference? Also how tight have you installed them? As my plumber believes the actuators when in the off mode, are closing the manifold pin too hard so causing the pin to jam ( I thought I'd also seen that but now I'm not so sure now) and not open up when a call for heat is made, so currently they are installed a bit loose to stop the pin being rammed into the manifold hard.
  2. Having trouble commissioning UFH system, consisting of a Wunda manifold and Salus Auto Balancing Actuators. I called up Salus tech department and they mentioned the units have a 20 minute calibration period but the support guy was unable to clarify if this is every time a call heat was made or just once (and if once how do you reset it). Nor did he know what the flashing LED meant. (I suspect it is merely a rebadged device, as he requested I send an email, which I will, that he will send to the designer who 'designs these for use all over the world'). Quicker to ask on BuildHub I suspect! So: Does anyone know if the Salus Auto Balancing Actuators do a calibration learn on every call for heat and if that is was the LED flashing (rather than steady) means?
  3. readiescards

    Sunamp - funny smelling hot water

    (Not strictly a Energy Storage topic but this seems to be the Sunamp board so I've posted here) In our newly converted holiday cottage I have a pair of Sunamps, a PCM34 feeding a PCM58. The hot water when it arrives (after a long drag around the property, including via a hot water circulation pump that fires only when there is a need -a @Nickfromwales useful idea) at the bath or basin taps (not tried the kitchen sink) has a strange plastic smell. Anyone else having this odd plastic smell from their SA DHW? Yes the system is newish, sub 2000 litres of DHW been through it at a guess. Note the water is very aerated - can't see sink plug when initially filling hand basin with hot water but a minute after stopping hot tap water all is pretty much clear. Not sure if that makes issue worse. I lived in this village 30 out of my 50 years and the water has never smelt like this before and does not in my own house in the same village fed by the same water line, so I'm very confident it is not the water input supply.
  4. readiescards

    Eating worm monster arrived

    Plus I bet nearly another £500 installing it. It needs a big hole and lots of gravel. Or less gravel if you prefer to dig two smaller holes. To be clear there is only a very slight aroma (a sweet smell) from the actual Clearfox vent pipe of you stick your nose within about an inch of it. And the output is a nearly clear liquid which is also pretty odourless. The more unpleasant odour seems to come from the sludge collection tank. Yet I can't identify where. My nose seems to adapt to the smell after a few sniffs making identifying the source hard in a nearly always breezy site. At the time of installation I was planning to live off-grid hence zero electric consumption was very important
  5. readiescards

    Eating worm monster arrived

    Hi @Hastings My review after 18 months usage Pros: * quiet - very important to me as it is only 7m from our property * zero electric * zero servicing costs * potentially zero emptying costs -minimal sludge when I last measured it after 12 months usage * seems to work - nearly clear water exiting filter unit (I've been unable to find a reasonably priced test kit to verify this in detail) Cons: * Expensive to purchase * Expensive to install as massive system, so big hole = expensive kit needed to dig big hole and lots of expensive gravel to pack it back up * Quiet ugly with 3 lids and a chimney on show * do to lack of installation instructions from retailer I initially installed the sludge collection chamber the correct way round and then rang the retailer to check I'd got it right way round and he advised me I had got it wrong so I took the sludge collection chamber out and reversed it. It is now in the wrong way round! Lucklily all this means is that the sludge collection part of the sludge chamber is smaller than it should be but as I brought a big unit to allow for future expansion this is no issue. * biggest downside is the fact that since full enclosing the rest of the foul water system we sometimes get wafts of unpleasant smells - I'm unable to identify whether this is the pre-sludge chamber or just very complex air movements - I doubt it is the Clearfox itself. * the tiny rubber stops on the Clearfox trough have failed after 12 months - Clearfox themselves have advised they are only for noise dampening and are expected to wear out (so I've not bothered to pay £13 for a replacement pair) Summary * Good unit, best install a good distance away and ideally not in line of sight, big upfront costs
  6. From Sunamp: "We have just received your question regarding the ErP rating of our products. Our UniQ range of thermal stores in all sizes (3, 6, 9 and 12kWh) are A+ rated in terms of heat storage thermal efficiency. This is valid for all units designed to be primarily charged from an external thermal source, whether they have an inbuilt back-up electrical element or not. The “e” range of UniQ products are physically identical to those with a back-up electric element inside, however as they are designed to be primarily charged from an electrical input the ErP rating is automatically downgraded by a couple of classes as the certification system does not distinguish where the electrical power is coming from (excess solar PV for instance). This is a nuance of the current ErP rating system, but please rest assured that your system is still performing from an efficiency and thermal loss point of view in exactly the same manner as the rest of the UniQ range." So A+ if you don't use the inbuilt heater it seems
  7. So my new PCM58 has arrived (see for why I have a new one): And the new one has an energy efficiency sticker on it: Show only grade C - which is well below my expectation. Anyone know why it is given such a poor mark, I thought one of the key selling points was it was a super highly insulated way of storing heat.
  8. I was very concerned about this exact issue as the architect had labelled the garage attic room as 'Office' on the drawings. Which I then had to submit for the vat reclaim but all ok in the end and received a full refund. Phew!
  9. readiescards

    Sunamp container bulging

    A new replacement Sunamp PCM58 arrived yesterday 🙂 yet to unbox though to see what is different
  10. readiescards

    LED strip lighting recommendations
  11. readiescards

    LED strip lighting recommendations

    Apparently they are 220V DC led strips. Is 220v DC safe just encased in 1 or 2mm of clear plastic with connectors which appear just as a pair of nails?
  12. readiescards

    Sunamp container bulging

    Does the 50/90 issue effect both the PCM34 and PCM58?
  13. What is the best way to clean the dust of the fans (of a Vent Axia Sentinel Kinetic Plus B in my case) - it is tedious and not very effective with a tooth brush
  14. readiescards

    Sunamp container bulging

    Apparently I'm being sent a new PCM58 which is being made to order in a week or two. I'm tempted to say delay it until Sunamp have one that both fixes the bulging and maximises excess PV only trouble is I can't have holiday cottage guests staring at a partial installation with a mass of pipes and controls for a year or two. Do we know if there is any intention by Sunamp to modify the control system to ensure excess PV can be pumped into the device even if it is only 5% discharged?